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Ilyas, Mohammad. "The genetic basis of colorectal cancer". Thesis, University of Oxford, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.301849.
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Beesley, Lisa, i n/a. "Relationships among Knowledge Creation, Diffusion and Utilisation in the CRC Process". Griffith University. School of Marketing and Management, 2003. http://www4.gu.edu.au:8080/adt-root/public/adt-QGU20040901.125713.
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Tourism has come to be recognised as a major contributor to national economies. In a knowledge-based economy (that emphasises the benefits of industry/government and academic research), a strong research base must underpin management of a tourist destination if it is to realise its full potential. The establishment of collaborative networks between industry, academia, and government in the strategic planning and management of cities and towns is becoming increasingly popular. However, the way in which the processes underlying these settings facilitate or inhibit eventual outcomes is poorly understood. If knowledge is to drive innovation and economic growth optimally, it is important not just to develop an understanding of the processes underlying the creation, diffusion and utilisation of knowledge in cooperative research settings, but also the relationships among them. Accordingly, the aim of this investigation is to examine the relationships among knowledge creation, diffusion and utilisation occurring in the Cooperative Research Centres (CRC) Program, specifically, the Gold Coast Visioning Project, with a view to identifying the most efficient means for formulating and disseminating research designed for industry and/or government application. Knowledge is defined as information that is imbued with meaning or relevance. However, this definition says little of the ways that individuals, groups and organisations acquire knowledge. While cognitive psychologists have produced several theories suggesting the structure and mechanisms of individual cognitive processes underlying the acquisition and use of knowledge, social scientists have sought to describe and explain the process by investigating the influence of social factors. Recent contributions to group learning have examined group composition, group size, familiarity among group members, and communication processes in an attempt to understand the ways in which groups acquire knowledge. Research shows that knowledge utilisation in organisations results from the interdependent influences of organisational processes and the control opportunities and control problems that arise through organisational structure. These frameworks provide accounts of how knowledge is utilised within an organisation, but not of how organisations learn. Recent research suggests that organisations learn through knowledge networks where organisational focus moves from the consideration and protection of boundaries to the management of (and care for) relationships. Therefore, organisations contain static (rules, norms and procedures) and dynamic (social relationships) elements that mutually influence the degree to which organisations learn. A synthesis of the available literature resulted in the development of a series of models that served not only to inform, but also be informed by the analysis of this investigation. A single case study, namely the Gold Coast Visioning Project, was used to examine the ways in which knowledge was created, disseminated and utilised in a CRC setting. This ethnographic investigation considered the process of knowledge creation through to utilisation at individual, group, organisational, and inter-organisational levels, while simultaneously examining the interrelated influences of social, cognitive, affective and communication factors. Throughout the project, data were collected through stakeholder interviews, various documents and participant observation of stakeholder meetings and workshops. Data were analysed using a grounded theory approach and methods of thick description. The results show that researchers and industry stakeholders bring different frames of reference, different expectations, and different knowledge bases to the exercise. This inhibited communication, and gave the appearance of dissension when, in fact, what was being sought was a common frame for understanding and communication. Additionally, the gap between industry and researcher worldviews generated the sense that industry was resisting or failing to understand what the research was seeking to achieve. Consequently, in order to manage the relationship, research plans and findings were communicated to industry in a teacher-to-student fashion, which fostered single-loop learning, and reduced industry stakeholders' sense of ownership in the process and findings. During the project, industry stakeholders frequently sought to have research come pre-packaged with "meaning", but researchers lacked the contextual knowledge necessary to specify the relevance of their research. The results also show that research findings need to be integrated and diffused to industry over time, and specific applications need to be formulated (and reformulated) in response to particular and changing needs of industry. As a result of this investigation, a model of 'best practice' has been developed with detailed recommendations for the design, implementation, and reporting of CRC-sponsored research to optimise its utility for end-users of such research. From a theoretical perspective, the findings of this study challenge the ways that current theories account for the ways in which knowledge is acquired and utilised since the results show that knowledge is constructed both socially and emotionally. Any investigation that seeks to understand how knowledge is acquired and utilised must consider social and affective influences. To ignore the role of emotion and values in the process of knowledge acquisition is to ignore a key component of an individual's reasoning capacity.
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Beesley, Lisa. "Relationships among Knowledge Creation, Diffusion and Utilisation in the CRC Process". Thesis, Griffith University, 2003. http://hdl.handle.net/10072/367377.
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Tourism has come to be recognised as a major contributor to national economies. In a knowledge-based economy (that emphasises the benefits of industry/government and academic research), a strong research base must underpin management of a tourist destination if it is to realise its full potential. The establishment of collaborative networks between industry, academia, and government in the strategic planning and management of cities and towns is becoming increasingly popular. However, the way in which the processes underlying these settings facilitate or inhibit eventual outcomes is poorly understood.
If knowledge is to drive innovation and economic growth optimally, it is important not just to develop an understanding of the processes underlying the creation, diffusion and utilisation of knowledge in cooperative research settings, but also the relationships among them. Accordingly, the aim of this investigation is to examine the relationships among knowledge creation, diffusion and utilisation occurring in the Cooperative Research Centres (CRC) Program, specifically, the Gold Coast Visioning Project, with a view to identifying the most efficient means for formulating and disseminating research designed for industry and/or government application.
Knowledge is defined as information that is imbued with meaning or relevance. However, this definition says little of the ways that individuals, groups and organisations acquire knowledge. While cognitive psychologists have produced several theories suggesting the structure and mechanisms of individual cognitive processes underlying the acquisition and use of knowledge, social scientists have sought to describe and explain the process by investigating the influence of social factors.
Recent contributions to group learning have examined group composition, group size, familiarity among group members, and communication processes in an attempt to understand the ways in which groups acquire knowledge. Research shows that knowledge utilisation in organisations results from the interdependent influences of organisational processes and the control opportunities and control problems that arise through organisational structure. These frameworks provide accounts of how knowledge is utilised within an organisation, but not of how organisations learn. Recent research suggests that organisations learn through knowledge networks where organisational focus moves from the consideration and protection of boundaries to the management of (and care for) relationships. Therefore, organisations contain static (rules, norms and procedures) and dynamic (social relationships) elements that mutually influence the degree to which organisations learn.
A synthesis of the available literature resulted in the development of a series of models that served not only to inform, but also be informed by the analysis of this investigation. A single case study, namely the Gold Coast Visioning Project, was used to examine the ways in which knowledge was created, disseminated and utilised in a CRC setting. This ethnographic investigation considered the process of knowledge creation through to utilisation at individual, group, organisational, and inter-organisational levels, while simultaneously examining the interrelated influences of social, cognitive, affective and communication factors. Throughout the project, data were collected through stakeholder interviews, various documents and participant observation of stakeholder meetings and workshops. Data were analysed using a grounded theory approach and methods of thick description.
The results show that researchers and industry stakeholders bring different frames of reference, different expectations, and different knowledge bases to the exercise. This inhibited communication, and gave the appearance of dissension when, in fact, what was being sought was a common frame for understanding and communication. Additionally, the gap between industry and researcher worldviews generated the sense that industry was resisting or failing to understand what the research was seeking to achieve. Consequently, in order to manage the relationship, research plans and findings were communicated to industry in a teacher-to-student fashion, which fostered single-loop learning, and reduced industry stakeholders' sense of ownership in the process and findings. During the project, industry stakeholders frequently sought to have research come pre-packaged with "meaning", but researchers lacked the contextual knowledge necessary to specify the relevance of their research. The results also show that research findings need to be integrated and diffused to industry over time, and specific applications need to be formulated (and reformulated) in response to particular and changing needs of industry.
As a result of this investigation, a model of 'best practice' has been developed with detailed recommendations for the design, implementation, and reporting of CRC-sponsored research to optimise its utility for end-users of such research. From a theoretical perspective, the findings of this study challenge the ways that current theories account for the ways in which knowledge is acquired and utilised since the results show that knowledge is constructed both socially and emotionally. Any investigation that seeks to understand how knowledge is acquired and utilised must consider social and affective influences. To ignore the role of emotion and values in the process of knowledge acquisition is to ignore a key component of an individual's reasoning capacity.Thesis (PhD Doctorate)
Doctor of Philosophy (PhD)
School of Marketing and Management
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Noseir, Soha [Verfasser], Stephan [Gutachter] Hahn, Nils [Gutachter] Metzler-Nolte i Jens [Gutachter] Siveke. "Optimization of individualized therapy for colorectal cancers (CRCs) with secondary resistance towards targeted anti-EGFR treatment / Soha Noseir ; Gutachter: Stephan Hahn, Nils Metzler-Nolte, Jens Siveke ; Fakultät für Chemie und Biochemie". Bochum : Ruhr-Universität Bochum, 2021. http://d-nb.info/1230631356/34.
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Madhushani, W. K. Anjana. "Multiple regulatory inputs for hierarchical control of phenol catabolism by Pseudomonas putida". Doctoral thesis, Umeå universitet, Institutionen för molekylärbiologi (Teknisk-naturvetenskaplig fakultet), 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-106878.
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Metabolically versatile bacteria have evolved diverse strategies to adapt to different environmental niches and respond to fluctuating physico-chemical parameters. In order to survive in soil and water habitats, they employ specific and global regulatory circuits to integrate external and internal signals to counteract stress and optimise their energy status. One strategic endurance mechanism is the ability to choose the most energetically favourable carbon source amongst a number on offer. Pseudomonas putida strains possess large genomes that underlie much of their ability to use diverse carbon sources as growth substrates. Their metabolic potential is frequently expanded by possession of catabolic plasmids to include the ability to grow at the expense of seemingly obnoxious carbon sources such as phenols. However, this ability comes with a metabolic price tag. Carbon source repression is one of the main regulatory networks employed to subvert use of these expensive pathways in favour of alternative sources that provide a higher metabolic gain. This thesis identifies some of the key regulatory elements and factors used by P. putida to supress expression of plasmid-encoded enzymes for degradation of phenols until they are beneficial. I first present evidence for a newly identified DNA and RNA motif within the regulatory region of the gene encoding the master regulator of phenol catabolism – DmpR. The former of these motifs functions to decrease the number of transcripts originating from the dmpR promoter, while the latter mediates a regulatory checkpoint for translational repression by Crc – the carbon repression control protein of P. putida. The ability of Crc to form repressive riboprotein complexes with RNA is shown to be dependent on the RNA chaperone protein Hfq – a co-partnership demonstrated to be required for many previously identified Crc-targets implicated in hierarchical assimilation of different carbon sources in P. putida. Finally, I present evidence for a model in which Crc and Hfq co-target multiple RNA motifs to bring about a two-tiered regulation to subvert catabolism of phenols in the face of preferred substrates – one at the level of the regulator DmpR and another at the level of translation of the catabolic enzymes.
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Franklin, Joseph. "La perception de l'autonomie gouvernementale par les cris du Québec". Sherbrooke : Université de Sherbrooke, 2001.
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Mezry, Abdeljabbar. "Loi de glissement de caoutchoucs crus". Grenoble INPG, 1995. http://www.theses.fr/1995INPG0090.
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Le glissement a la paroi des filieres, des melanges de caoutchoucs crus a base d'elastomere epdm a ete mis en evidence par trois techniques. La premiere est une methode de mesure absolue de vitesse locale du polymere a la paroi. Les deux autres reposent sur l'exploitation experimentale de la formule bien connue du debit en presence du glissement (la methode de mooney et celle basee sur la connaissance des proprietes en volume). Les trois methodes indiquent, a faibles contraintes, un glissement en bloc, et une apparition d'un debit lie au cisaillement a partir d'une contrainte critique. La presence des agents de mise en uvre contribue a augmenter le glissement a la paroi et a diminuer les defauts de surface. Le mode d'action de ces ingredients est une lubrification externe. En effet, on a pu mettre en evidence par differentes analyses physico-chimiques, une migration des agents de mise en uvre vers l'interface melange/paroi de la filiere
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Chapuis, Adrien. "Étude des mécanismes contrôlant la déformation du magnésium à chaud". Phd thesis, Ecole Nationale Supérieure des Mines de Saint-Etienne, 2010. http://tel.archives-ouvertes.fr/tel-00611616.
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Le magnésium et ses alliages sont de plus en plus utilisés dans les transports pour leur faible densité (1,7), et on cherche à les utiliser sous la forme corroyée. De structure hexagonale compact, le magnésium est très anisotrope et faiblement ductile à froid. La déformation est contrôlée par l'activation de systèmes de glissement et de maclage, seuls le glissement basal et le maclage de traction sont actifs à froid, alors qu'à chaud sont activés les glissements prismatique et pyramidal , et le maclage de compression. Nous avons élaboré des monocristaux de magnésium pur de différentes orientations pour mesurer les contraintes de cission résolues critique (CRSS) des différents systèmes par des essais de compression plane à des températures allant de l'ambiante à 450°C. En parallèle nous avons développé un code de plasticité cristalline pour modéliser la déformation de cristaux contraints, ce programme est basée sur la loi de Schmid et le principe du travail maximum, ce qui permet de prédire les systèmes de déformation activés et la contrainte nécessaire, en fonction des CRSS. Nous avons aussi testé le modèle pour prédire le comportement de l'alliage polycristallin AZ31.
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Koohy, Hashem. "Computational prediction of functional similarity of CRMs". Thesis, University of Warwick, 2010. http://wrap.warwick.ac.uk/35518/.
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Transcriptional regulation of genes is fundamental to all living organisms. The spatial, temporal and condition-specific expression levels of genes are in part determined by inherited regulatory codes in non-coding regions of the DNA. A large set of methods have been proposed to detect conserved regions of regulatory DNA by means of sequence alignments. However, it has become clear that some regulatory regions do not show statistically significant alignments even in the presence of functional conservation. Therefore, detecting and characterising elusive regulatory codes remains a challenging problem. In this thesis we develop and validate a novel computational alignment free model for detection of functional similarity of regulatory sequences. We show that our model can detect functional links between pairs of sequences that do not align with a significant score. We apply the model to a) detect enhancers within the same genome that are likely to have similar functions and b) to detect functionally conserved enhancer regions in orthologous genomes. Our method finds regulatory codes that are common to groups of similar enhancers and consistent with previous biological knowledge. The inputs for our model are two sequences that we wish to compare in terms of their functional similarity as well as a set of transcription factor motifs. The mathematical framework of our model is built on two main components: In the first model component, each sequence is mapped to a vector of estimated occupancy levels for all motifs. These vectors are representing which motifs at what multiplicity and specificity are present in each sequence. In the second model component, a statistical approach is established where we first estimate a probability distribution of motif occupancy levels for sequences that function similar to the template sequence. We then compute a statistical similarity score to evaluate if the sequences are more similar to each other than to random background sequences. Two applications of this model are presented: First it is applied to a set of experimentally validated non-alignable enhancers from D. melanogaster. We show that: • Our model can detect statistical links between these enhancers, • Weak binding sites can make a strong contribution to sequence similarity, • Our model treats statistically significant presence and absence of motifs symmetrically. Similarity of sequences, therefore, can be based on a combination of the two. We show examples of motifs making contributions to sequence similarity through their absence. • Using our model, we can create a network of similarities among the fly enhancers. Groups of enhancers in this network show common regulatory codes. One of these regulatory codes is strongly supported by existing experimental data. In the second application of our model we predict functional subregions of a known D. melanogaster enhancer. To achieve this, we first show that the model can detect the orthology of this enhancer between 10 Drosophila species. We then demonstrate how this statistical link can be used to predict functional subregions within this enhancer.
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Wesseldijk, Feikje. ""Inflammatory Soup" mediators of inflammation in CRPS". [S.l.] : Rotterdam : [The Author] ; Erasmus University [Host], 2008. http://hdl.handle.net/1765/13553.
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Swei, Jason. "Development of high-definition photoresists for CRTs /". Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 2004. http://wwwlib.umi.com/cr/ucsd/fullcit?p3138825.
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Bempéchat, Paul-André. "The life and works of Jean Cras". Thesis, Boston University, 2000. https://hdl.handle.net/2144/30808.
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Thesis (D.M.A.)--Boston UniversityPLEASE NOTE: Boston University Libraries did not receive an Authorization To Manage form for this thesis or dissertation. It is therefore not openly accessible, though it may be available by request.
The purpose of this dissertation will be to draw attention to the life and works of French composer, scientist, inventor and philosopher Jean Cras (1879-1932), whose music, at the moment of this writing, is enjoying a vibrant revival in Europe. During the 1920's, after his opera Polypheme had won the Premier Prix du Concours musical de la Ville de Paris, and premiered in Paris during the 1922-23 operatic season, Jean Cras' became as much a household name as Maurice Ravel's. Part of this dissertation will attempt to explain why he was forgotten during the half-century between 1935 and 1985 [TRUNCATED]
2031-01-01
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Blevins, Jennifer, Colleen Noe, Marc A. Fagelson i Owen D. Murnane. "Comparison of Intracanial and Traditional CROS Fittings". Digital Commons @ East Tennessee State University, 2000. https://dc.etsu.edu/etsu-works/1606.
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Feroce, Marcello. "Cros-Organism Annotation Prediction through Deep Learning Algorithms". Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2017. http://amslaurea.unibo.it/14244/.
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Studying how genes or proteins influence humans and other species' lives is paramount. To study that, it's necessary to know which functional properties are specific for each gene or protein. The association between one gene or protein and a functional properties is called annotation. An annotion can be 0 or 1. 1 means that gene or protein contributes to the activation of a certain functional property. Functional properties are referred by terms, which are strings that belong to ontologies. This work aim is to predict novel gene annotations for little know species such as Bos Taurus. To predict such annotations, a model, built using deep learning, is used.
This model is trained using well know species as Mus Musculus or Homo Sapiens. Every predicted annotation has its own likelihood, that tells about how much the prediction is close to a 0 or a 1. Final accuracy can be evaluated fixing a certain value of likelihood, so that all the considered annotations have a likelihood greater or equal than the fixed one. The obtained accuracy is quite high but not enought to be used in a professional way, although it offers a nice cue for future research.
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Ardeven, François. "Insultes, cris et chuchotements dans le champ freudien". Sorbonne Paris Cité, 2015. http://www.theses.fr/2015USPCC063.
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La psychanalyse, c'est d'abord l'invention d'un nouveau métier, et-donc d'un nouveau discours et du désir placé comme objet. Et ce métier consiste pour l'analyste à être pris pour l'Autre, pour un autre, puis à être abandonné, déchu, car la vie est toujours mille fois plus belle que l'austère succession des séances. Cela engendre des malentendus, d'être pris pour un autre. C'est insultant comme la vie peut l'être. Elle se récapitule au divan, il y a des cris qui sortent des silences, et se murmurent parfois des chuchotements, comme chez Bergman, non pas adressés à l' « ami dans les générations » (Ossip Mandelstam), mais à un autre, qu'il s'agira de trouver dans l'écume du monde, passé, présent et à venir. La séance analytique, avec sa performativité propre, a reçu cette vocation, cette vocalisation presque, de réparer le court-circuit qu'est l'insulte, de rétablir l'ordre des signifiants que la psychose, qui est la réponse avant la question, a inversé. Le Luder du président Schreber est ce déchirement poétique, comme dit Certeau, cette limite entre la nature et la fonction, cette espérance vaine qui fait sourdre l'insulte comme un éclair. Que fait-on en insultant l'autre sinon le genrer de force et le renfrogner dans son origine ? L'analyse déploie au contraire, avec la culture, à côté de la politique nécessaire, la pulsion qui existe vers l'inconnu, cet Ouvert contre le mythe abyssal qu'est toujours la recherche morbide d'une origine fixe (« ta race ! »). Ces vingt chapitres sont vingt tableaux qui, autour de Freud, avec Rabelais, la pensée de Judith Butler, d'autres, examinent ce qu'est l'insu de l'insultePsychoanalysis is first of all the invention of a new profession, and therefore a new dialogue with desire placed as an object. This profession consists in the analyst being taken for the Other, another, then to be abandoned, stripped and sometimes humiliated because life is always a thousand times more beautiful than the austere successive sessions. This leads to misunderstandings, being taken for the other. It's insulting like life can be. It summarizes the couch, there are cries that corne out of the silence and whispers sometimes whispers like those in Bergman, not addressed to the "friend in generations" (Ossip Mandelstam), but to another, that will be found in the scum of the world, past, present and future. The analytic session, with its own performativity, received this vocation, this vocalization which almost restored the short circuit, what an insult, to restore the order of the signifiers that psychosis, which is the answer before the question has reversed. The President Schreber's Luder is this poetic wrench, as Certeau says, the limit between nature and function, this vain hope that is a welling insult like lightning. What is being done by insulting the other if not a caption of strength and scowling back to its origin? The analysis unfolds the contrary, with culture, next to to the necessary politics, this existing drive towards the unknown, this opening against the abysmal myth which is this morbid search for your fixed origin ("your race! "). These twenty chapters are twenty round-tables of Freud, with Rabelais, Judith Butler and àthers examining what is the knowledge of the insult
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Zur, Hausen Henning. "CRS regulations and the GATS". Thesis, McGill University, 1994. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=22708.
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In the course of the last decade, computer reservation systems have become the prime channel for the distribution of air transport services. While their benefits for consumers, travel agents and airlines are undisputed, CRS have caused considerable legal problems in both the CRS and the airline industries. As self-regulation did not prove to be effective, different authorities have issued instruments addressing the relevant issues.After a brief presentation of the CRS industry and of the main legal problems, the first part of this thesis will give a detailed analysis of three major CRS regulations: The Regulations on Carrier-Owned Computer Reservation Systems, issued by the United States Department of Transportation, the EEC Council Regulation on a code of conduct for computerized reservation systems and the Code of Conduct for the Regulation and Operation of Computer Reservation Systems, adopted by ICAO.
The second part will deal with the General Agreement on Trade in Services, which forms part of the GATT and which will be applicable to CRS services. General remarks about services will be followed by an analysis of the GATS, emphasizing provisions which could be of relevance for the operation of CRS.
The concluding third part of the thesis will comment on the impact of GATS on the CRS industry, on its suitability as a world-wide regime for the operation of CRS and on the relationship between GATS and ICAO.
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Семеренко, В. П., i Б. О. Григорчук. "Швидке декодування паралельних кодів CRC". Thesis, ВНТУ, 2017. http://ir.lib.vntu.edu.ua//handle/123456789/23905.
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Запропоновано новий спосіб швидкого декодування кодів CRC (Cyclic Redundancy Code) в каналах з паралельним надходженням вхідних даних. Використання теорії паралельних ЛПС (лінійних послідовнісних схем) та математичного представлення симетрії часу дозволяє вдвічі прискорити CRC-контроль. Такий спосіб контролю може бути використано в системах зберігання та архівації даних.Предложен новый способ быстрого декодирования кодов CRC (Cyclic Redundancy Code) в каналах с параллельным поступлением входных данных. Использование теории параллельных ЛПС (линейнных последовательностных схем) и математического представления симметрии времени позволяет в два раза ускорить CRC-контроль. Такой способ контроля может быть использовать в системах сохранения и архивирования данных.
A new method for fast decoding of CRC (Cyclic Redundancy Code) in channels with parallel input data is proposed. The use of the theory of linear finite state machine (LFSM) and the mathematical representation of time symmetry makes it possible to double the speed of CRC control. Such a control method can be used in data storage and archiving systems.
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Vasconcelos, Tabajara Williams Vilela 1981. "Seismic data regularization based on CRS attributes = Regularização de dados sísmicos baseada em atributos CRS". [s.n.], 2015. http://repositorio.unicamp.br/jspui/handle/REPOSIP/265799.
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Orientador: Martin TygelDissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecânica e Instituto de Geociências
Made available in DSpace on 2018-08-27T15:05:45Z (GMT). No. of bitstreams: 1 Vasconcelos_TabajaraWilliamsVilela_M.pdf: 7596247 bytes, checksum: 87f367837309475d85211f828eb1929f (MD5) Previous issue date: 2015
Resumo: Dados sísmicos dispostos em grades densas e regulares são essenciais em vários objetivos de processamento, imageamento e inversão. Exemplos de tais objetivos incluem a eliminação de múltiplas de superfície (SRME) e migração baseada na equação da onda (WEM). Dados de sísmica de reflexão são geralmente sub-amostrados e as razões para isso incluem limitações físicas (por exemplo, comprimento finito dos cabos, dificuldades topográficas e ambientais), falhas instrumentais (por exemplo, traços ruins ou inexistentes) e, acima de tudo, a amostragem espacial densa é cara. Para superar o problema de subamostragem, bem como os deslocamentos dos dados da malha regular, é necessário reconstruir os dados faltantes a partir dos dados adquiridos. Em outras palavras, é preciso realizar interpolação e/ou extrapolação dos dados existentes. Este trabalho discute e compara métodos de interpolação e extrapolação com base na abordagem da superfície de reflexão comum (CRS), que se baseia num certo número de atributos cinemáticas das ondas de propagação, obtidos a partir dos dados de multicobertura. A análise é realizada em três metodologias CRS, a saber: (a) empilhamento parcial (PS) CRS; (b) regularização orientada à amostra alvo (TO) CRS e (c) regularização orientada ao operador (OO) CRS. Uma breve descrição das três metodologias é realizada e, por meio de exemplos ilustrativos, examinamos suas vantagens e desvantagens
Abstract: Dense and regularly sampled seismic data are essential to a number of processing, imaging and inversion purposes. Processes such as Surface-Related Multiple Elimination (SRME) and wave-equation migration (WEM) are good examples that required data displayed on a regular grid. Seismic reflection data are usually under or irregularly sampled. Reasons for that include physical limitations (e.g., finite-length spread, topographic or environmental difficulties), instrumental failures (e.g., bad or dead traces). Above all, dense spatial sampling is expensive. To overcome the under sampling problem, as well of having the data displaced on regular grids, it is necessary to simulate the missing data from the acquired data. In other words, one needs to interpolate and/or extrapolate the given data to a user defined regular grid. This work discusses and compares interpolation and/or extrapolation methods based on the common-reflection-surface (CRS) approach, which is based on a number of kinematic wavefield attributes, extracted from the multicoverage data. The analysis will be carried out on three CRS methodologies, namely (a) the partial-stack (PS) CRS; (b) the target-oriented (TO) CRS and (c) the operator-oriented (OO) CRS. We provide a brief description of the three methodologies and, by means of illustrative examples, examine their advantages and disadvantages
Mestrado
Reservatórios e Gestão
Mestre em Ciências e Engenharia de Petróleo
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Kesenheimer, Eva Maria [Verfasser], i Johann [Akademischer Betreuer] Lambeck. "Der Ischämietest zur Diagnostik des Komplexen regionalen Schmerzsyndroms (CRPS)". Freiburg : Universität, 2016. http://d-nb.info/1119717434/34.
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Gallo, Michele. "Sovereign debt and CRAs: where does the power lie?" Master's thesis, NSBE - UNL, 2012. http://hdl.handle.net/10362/9604.
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A Work Project, presented as part of the requirements for the Award of a Masters Degree in Management from the NOVA – School of Business and EconomicsThis work project analyzes how changes in sovereign debt rating within Europe can affect the stock performance of the event country, and wich are the factors that influence this impact. We found a significant impact made in both positive and negative watchlisting, while upgrades entail a significant downward reaction when they are preceded by watchlist activity. A further analysis of this impact allowed us to identify a surprise effect, composed by the presence of warning, the level of discussion and whether other agencies previously implemented the same action. Assuming the semistrong form of market efficiency holds, these findings suggestCRAs are considered to disclose provate information.
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Rinhel-Silva, Claudia Maria [UNESP]. "O psicólogo no CRAS: travessia, tessituras, desafios e possibilidades". Universidade Estadual Paulista (UNESP), 2016. http://hdl.handle.net/11449/143068.
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A Política Nacional da Assistência Social (PNAS) aborda o percurso legal para a constituição da política e a instituição do Sistema Único da Assistência Social (SUAS) por meio da implementação e garantia de direitos promovidos pelas proteções básica e especial, com destaque para o equipamento dos Centros de Referencias da Assistência Social (CRAS) por meio dos serviços do Programa de Atendimento Integral às Famílias (PAIF). A centralidade das políticas públicas sociais no atendimento às famílias se refere à mesma como núcleo social fundamental para a efetividade de todas as ações e serviços da política de assistência social. A política social, especificamente o SUAS, requisitou a participação do profissional de psicologia para compor a equipe multidisciplinar e atribuiu-lhe a responsabilidade, junto com outros profissionais, pelas ações de acolhimento, empoderamento dos membros familiares e, ainda, dirimir as vulnerabilidades diagnosticadas no território de abrangência no qual está atuando. Diante dessas considerações, o objetivo principal da presente pesquisa foi investigar as relações entre a prática dos psicólogos no CRAS e as diretrizes estabelecidas pela Política Pública da Assistência Social. Trata-se de um estudo empírico, de cunho quanti-qualitativo, tendo como participantes oito (8) profissionais da área da Psicologia que atuam nos CRAS da região oeste do Estado de São Paulo. A coleta de dados foi feita por meio da aplicação de questionários individuais, seguidos de entrevistas esclarecedoras e foram tratados em categorias temáticas, conforme a estratégia de Análise de Conteúdo de Bardin (2011). De modo geral, a análise desses dados indicou que os psicólogos sentem dificuldade para colocar totalmente em prática as propostas da PNAS, revelando um descompasso entre a teoria e a prática. Envoltos pelos afazeres burocráticos e excesso de atividades para pouco profissionais, frente a uma grande demanda, condições essas aliadas a uma formação clínica tradicional, com foco no indivíduo, estes psicólogos encontram-se despreparados para desenvolver trabalhos em equipe, que exigem abordagens voltadas para o atendimento de grupos e demandas dos territórios, subsidiadas por uma perspectiva social crítica e comprometida socialmente.
The National Policy for Social Assistance (PNAS) discusses the legal route to the formation of policy and the establishment of the Unified Social Assistance System (SUAS) through the implementation and guarantee of rights promoted by basic and special protections, especially for equipment references of Social assistance centers (CRAS) through the services of Integral Assistance Program for Families (PAIF). The centrality of social policies on family care refers to it as a fundamental social nucleus for the effectiveness of all actions and services of the social welfare policy. Social policy, specifically the SUAS, has requested the participation of professional psychology to form the multidisciplinary team and assigned to it the responsibility, along with other professionals, the actions of acceptance, the empowerment of family members and also to resolve the vulnerabilities diagnosed in coverage territory in which it is acting. Given these considerations, the main objective of this research was to investigate the relationship between the practice of psychologists in CRAS and the guidelines established by the Public Policy for Social Assistance. This is an empirical study of quantitative and qualitative nature, with the eight participants (8) professionals psychology working in CRAS the western region of São Paulo. Data collection was done through the application of individual questionnaires, followed by insightful interviews and were treated in thematic categories, according to the Bardin Content Analysis strategy (2011). Overall, the analysis of these data indicated that psychologists find it difficult to put fully into practice the proposals of the PNAS, revealing a gap between theory and practice. Encircled by bureaucratic chores and an excess of activities designed to a small number of professionals, contrasting to the great demand, these professionals are unprepared to develop teamwork, which require approaches aimed at assisting groups and demands of territories , subsidized by a committed, social and critical perspective, due, perhaps, to a traditional clinical formation with special attention on the individual.
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Rinhel, Claudia Maria. "O psicólogo no CRAS : travessia, tessituras, desafios e possibilidades /". Marília, 2016. http://hdl.handle.net/11449/143068.
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Orientador: Elizabeth Piemonte ConstantinoBanca: Claudia Aparecida Valderramas Gomes
Banca: Matheus Fernandes de Castro
Banca: Nilza Sanches Tessaro Leonardo
Banca: Solange Pereira Marques Rossato
Resumo: A Política Nacional da Assistência Social (PNAS) aborda o percurso legal para a constituição da política e a instituição do Sistema Único da Assistência Social (SUAS) por meio da implementação e garantia de direitos promovidos pelas proteções básica e especial, com destaque para o equipamento dos Centros de Referencias da Assistência Social (CRAS) por meio dos serviços do Programa de Atendimento Integral às Famílias (PAIF). A centralidade das políticas públicas sociais no atendimento às famílias se refere à mesma como núcleo social fundamental para a efetividade de todas as ações e serviços da política de assistência social. A política social, especificamente o SUAS, requisitou a participação do profissional de psicologia para compor a equipe multidisciplinar e atribuiu-lhe a responsabilidade, junto com outros profissionais, pelas ações de acolhimento, empoderamento dos membros familiares e, ainda, dirimir as vulnerabilidades diagnosticadas no território de abrangência no qual está atuando. Diante dessas considerações, o objetivo principal da presente pesquisa foi investigar as relações entre a prática dos psicólogos no CRAS e as diretrizes estabelecidas pela Política Pública da Assistência Social. Trata-se de um estudo empírico, de cunho quanti-qualitativo, tendo como participantes oito (8) profissionais da área da Psicologia que atuam nos CRAS da região oeste do Estado de São Paulo. A coleta de dados foi feita por meio da aplicação de questionários individuais, seguidos de ... (Resumo completo, clicar acesso eletrônico abaixo)
Abstract: The National Policy for Social Assistance (PNAS) discusses the legal route to the formation of policy and the establishment of the Unified Social Assistance System (SUAS) through the implementation and guarantee of rights promoted by basic and special protections, especially for equipment references of Social assistance centers (CRAS) through the services of Integral Assistance Program for Families (PAIF). The centrality of social policies on family care refers to it as a fundamental social nucleus for the effectiveness of all actions and services of the social welfare policy. Social policy, specifically the SUAS, has requested the participation of professional psychology to form the multidisciplinary team and assigned to it the responsibility, along with other professionals, the actions of acceptance, the empowerment of family members and also to resolve the vulnerabilities diagnosed in coverage territory in which it is acting. Given these considerations, the main objective of this research was to investigate the relationship between the practice of psychologists in CRAS and the guidelines established by the Public Policy for Social Assistance. This is an empirical study of quantitative and qualitative nature, with the eight participants (8) professionals psychology working in CRAS the western region of São Paulo. Data collection was done through the application of individual questionnaires, followed by insightful interviews and were treated in thematic categories, according... (Complete abstract click electronic access below)
Doutor
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Joulin-Martineau, Monique. "Henry Cros : 1840-1907 : une vision de la sculpture". Paris 1, 2008. http://www.theses.fr/2008PA010525.
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Cette thèse est consacrée a Henry Cros. II fit partie des artistes à l'origine du décloisonnement des catégories entre les arts. Sa double formation lui permettait de maîtriser les technIques de la sculpture et de la peinture, mais, c'est en rompant avec la tradition, qu'il imposa sa vision de la sculpture. Ses recherches personnelles sur les matériaux utilisés dans l'antiquité l'amenèrent à explorer les possibilités de la cire en créant des sculptures inspirées du Moyen Age, qu'il moula et colora dans la masse, puis en peinture, en peignant à l'encaustique, souvent des portraits contemporains. Ensuite, il se tourna vers le verre antique et arriva à mettre au point la pâte de verre. Aussi ductile que la cire, cette matière qu'il moula et colora, toujours dans la masse, lui permit de faire la synthèse de la sculpture et de la. Peinture, comme le montrent ses oeuvres d'inspiration virgilienne : bas-reliefs aux couleurs tendres, masques, vases où la femme a souvent la première place.
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Hurst, Alastair. "Cris et silences : une lecture de poèmes d'Yves Bonnefoy". Montpellier 3, 1988. http://www.theses.fr/1988MON30027.
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Le but essentiel de cette approche critique de poemes de bonnefoy est de cerner les differents aspects semantico-thematiques des cris et des silences dans ce recueilThis thes attempts to define and study the thematic and semantic significance of the cry and silences in the poetry of yves bonnefoy, within the context of the european poetic tradition. The corpus studied is restricted to bonnefoy's four poemes published as one volume in + 1978
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Hurst, Alastair. "Cris et silences une lecture de "Poèmes" d'Yves Bonnefoy /". Lille 3 : ANRT, 1989. http://catalogue.bnf.fr/ark:/12148/cb376144370.
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Bonoli, Omar. "Ottimizzazione del progetto della macchina di sollevamento cris light". Master's thesis, Alma Mater Studiorum - Università di Bologna, 2014. http://amslaurea.unibo.it/7562/.
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Delavenne, Emilie. "Propriétés antifongiques de bactéries lactiques isolées de laits crus". Thesis, Brest, 2012. http://www.theses.fr/2012BRES0085/document.
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Les produits laitiers fermentés tels que les yaourts, les laits fermentés et les fromages frais, occupent une place importante dans l’économie française. La stabilité de ces produits et leurs chances d’exportation sont cependant limitées par de fréquentes altérations fongiques. De plus, l’augmentation des résistances de certains champignons aux conservateurs chimiques ainsi que la forte demande des consommateurs pour des produits dépourvus d’additifs poussent les industriels à en réduire l’ajout. Dans ce contexte, il est nécessaire de développer des alternatives innovantes, telle que la bio-conservation. Les bactéries lactiques, utilisées depuis des millénaires dans la fermentation de nombreux aliments, et généralement reconnues comme inoffensives pour la santé, sont potentiellement de bonnes candidates pour la bio-conservation. Dans le but d’obtenir une ou deux souches de bactéries lactiques antifongiques, capables d’être compétitives au sein de produits laitiers fermentés tels que le yaourt, une collection de bactéries lactiques antifongiques a d’abord été constituée. Pour cela, un criblage de colonies isolées de laits crus de vache, de chèvre et de brebis a été effectué sur une période d’une année. Ce criblage, ciblé contre 4 champignons communément retrouvés dans les produits laitiers contaminés, a abouti à l’isolement de 1235 colonies de bactéries lactiques antifongiques. Ceci a permis d’évaluer la biodiversité des bactéries lactiques antifongiques d’une part, et celle des champignons, d’autre part, dans ces échantillons de lait, afin d’observer une éventuelle corrélation entre la présence de champignons et l’expression des activités antifongiques. L’influence de l’origine du lait, de la période d’échantillonnage, du milieu d’isolement et du champignon ciblé, sur le pourcentage de colonies actives isolées a été mise en évidence. Parmi les champignons ciblés, Pénicillium expansum était le plus facilement inhibé, et la majorité des colonies ont été isolées durant la troisième période d’échantillonnage, majoritairement sur les milieux à base de MRS. Les laits de vache et de chèvre se sont révélés être des réservoirs de bactéries lactiques antifongiques, contrairement aux laits de brebis. La majorité des bactéries lactiques antifongiques isolées et identifiées appartenait au genre Lactobacillus, majoritairement du groupe Lb. casei. Onze isolats, dont 10 appartenant au groupe Lb. casei, ont été sélectionnés selon l’intensité de leur activité antifongique et leur spectre d’action sur milieu MRS. Certaines de leurs propriétés technologiques ont été caractérisées, en vue de leur utilisation comme cultures protectrices dans des produits laitiers fermentés. Leur activité antifongique a également été testée dans le lait et dans le yaourt, contre 6 contaminants fongiques communément responsables d’altérations dans les yaourts. Une souche, Lb. harbinensis K.V9.3.1Np, a révélé de fortes activités antifongiques dans le yaourt contre 6 cibles fongiques. Les études complémentaires effectuées ont permis de montrer que la variation de certains paramètres technologiques (présence ou absence de saccharose, temps de fermentation) n’avait pas d’influence sur l’activité antifongique de cette souche. La découverte du potentiel antifongique de Lb. harbinensis K.V9.3.1Np est innovante. Cette espèce, isolée pour la première fois en 2005 d’un produit fermenté végétal, n’avait encore jamais été décrite comme présentant des activités antimicrobiennes. Sa forte activité antifongique dans le yaourt fait de Lb. harbinensis K.V9.3.1Np un bon candidat pour la bioconservation de produit(s) laitier(s) fermenté(s)Fermented dairy products such as yogurt, fermented milks and fresh cheeses are of great importance in the French economy. The stability of these products and export opportunities are however limited by frequent fungal spoilages. In addition, the increase of fungal resistances to Chemical preservatives and the strong consumer demand for products deprived of Chemical additives are pushing manufacturers to reduce the quantities of added Chemical preservatives in these products. In this context, it is necessary to develop alternatives to classical food preservation methods, such as biopreservation. Lactic acid bacteria (LAB), used for millennia for diverse food fermentations, and generally recognized as safe for human health, can potentially be used for biopreservation. In order to select 1 or 2 LAB strains with antifungal activity capable to compete in fermented dairy products such as yogurt, a collection of antifungal LAB was first created. This was done by screening colonies isolated from cow, goat and ewe raw milk samples over a one-year period. This screening step, targeted against 4 fungi found in contaminated dairy products, resulted in the isolation of 1235 antifungal colonies. The biodiversity of the isolated antifungal LAB was then determined along with that of the fungi found in the different raw milks, in order to observe a possible correlation between the presence of fungi and the expression of antifungal activities. The influence of milk origin, sampling period, isolation medium and targeted fungus on the percentage of isolated active colonies was highlighted and clearly showed that both cow and goat milks were reservoirs of antifungal LAB. Among the targeted fungi, P. expansum was more easily inhibited, and the majority of colonies were isolated during the third sampling period, mainly on MRS-based media. The majority of identified antifungal LAB belonged to the genus Lactobacillus, mainly to the Lb. casei group. Eleven isolates, including 10 belonging to the Lb. casei group, were selected from these lactobacilli, according to their activity level and action spectrum in MRS medium. Some of their technological properties were characterized for their potential use as protective cultures in fermented dairy products and their antifungal activity was tested in milk and yogurt. To do this, 6 fungal contaminants commonly encountered in yogurt spoilage were used. A particular strain, Lb. harbinensis K.V9.3.1Np, showed a strong antifungal activity in yogurt. Additional experiments showed that the variation of technological parameters (presence or absence of sugar, fermentation time) had no influence on the antifungal activity of this strain. This is the first time that an antifungal potential has been observed for Lb. harbinensis, a species isolated for the first time in 2005 from a fermented vegetable product. Because of its effectiveness in yogurt, Lb. harbinensis K.V9.3.1Np is a promising strain for biopreservation of fermented dairy product(s)
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Huaroto, Libio. "Sistema de gestión de la investigación - plataforma DSpace CRIS". Universidad Peruana de Ciencias Aplicadas (UPC), 2018. http://hdl.handle.net/10757/624348.
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Evento cde la "Semana de Investigación 2018 y II Encuentro Científico de Investigación de Estudiantes en UNIFÉ", realizado en las instalaciones de la Universidad UNIFÉ. Lima, Perú.Conferencia que aborda los aspectos generales de los CRIS, igualmente se hace una descripción del funcionamiento de la pataforma DSpace CRIS.
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Nakaema, Walter Morinobu. "Espectroscopia de cavidade ressonante tipo Ring-DOWN supercontinuum resolvida no tempo para detecção de multicomponentes gasosos". Universidade de São Paulo, 2010. http://www.teses.usp.br/teses/disponiveis/85/85134/tde-03112010-164529/.
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Neste trabalho, é apresentada uma variação da técnica de espectroscopia por cavidade ressonante tipo ring-down CRDS (do acrônimo em inglês Cavity Ring-Down Spectroscopy) para a obtenção simultânea do espectro de absorção de multicomponentes numa faixa espectral larga do visível. Esta nova técnica se resume no uso do espectro supercontinuum (resultante da irradiação de meios não lineares através de lasers de femtossegundo, ou simplesmente gerada por fontes compactas) como fonte de luz para iluminar a cavidade. Neste contexto são descritas as características dos módulos para a montagem de um MC-SC-CRDS (Multicomponent Supercontinuum Cavity Ring-Down Spectroscopy): os pares de espelhos altamente refletivos, a cavidade ressonante e o sistema de detecção. Alguns problemas relacionados à excitação de multimodos, à luz difusa, ao uso efetivo do intervalo dinâmico de detecção, à baixa resolução do instrumento em resolver linhas estreitas de absorção são situados. Apresentamos os espectros de absorção de H2O (políades 4nu, 4nu + delta ) e O2 (transições proibidas de spin b-X) simultaneamente medidos por essa técnica na faixa do visível, e uma comparação com as linhas de absorção baseadas do banco de dados HITRAN é feita para demonstrar a funcionalidade deste método.In this work, we present a variation of the technique CRDS (Cavity Ring-Down Spectroscopy) to obtain simultaneously a multicomponent absorption spectrum in a broad visible range. This new approach uses the Supercontinuum (SC) spectrum (resulting from irradiation of nonlinear media by femtosecond lasers, or simply generated by compact sources) as a light source to illuminate the cavity. In this context it is described the features of the modules assembling a MC-SC-CRDS (Multicomponent Supercontinuum Cavity Ring-Down Spectroscopy): a set of high refletivity mirrors, the resonant cavity and the detection system. Some problems related to the multimode excitation, stray light, effective use of the dynamic range of the detector, the poor resolution of the instrument to resolve narrow absorption lines are issued. We present the absorption spectra of H2O (polyads 4nu, 4nu + delta ) and O2 (spin-forbidden b-X branch) measured simultaneously by this technique in the visible range and a comparison with the absorption lines based on HITRAN database is made to demonstrate the functionality of this method.
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Rangel, Elisete de Fátima. "A implementação e implantação dos CRAS Centros de Referência de Assistência Social em São José dos Campos: um estudo do CRAS Eugênio de Melo". Pontifícia Universidade Católica de São Paulo, 2009. https://tede2.pucsp.br/handle/handle/18016.
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Previous issue date: 2009-10-23Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
This Master s dissertation presents a study on the process of implementation and implantation of the CRAS Centre of Reference of Social Assistance, in the city of São José dos Campos. Its objective was to analyse the difficulties and possibilities that emerged in the referred process. This study emphasized the relevance of the implantation of the CRAS in the process of consolidation of the Social Assistance in Brazil especially on the basic social protection according to the norms of PNAS (2004) and NOB/SUAS (2005). This work gave us the opportunity of learning the PNAS s history that doesn t emerge suddenly, but as a result of questions from political, economical and social state of affairs of the world, having repercussions in the country and the way the Brazilian social questions have been treated by the policy of social protection. It still favoured, more specifically, a careful investigation in relation to our object of study, which was the implementation and implantation of the basic social protection, identified as CRAS. The research permitted learning that the CRAS who are in the process of implantation counts, in the context of their own functions with allowances for improvements and possibilities. In the study of the case performed in the CRAS Eugenio de Melo were identified limits and advances in the function of that CRAS specifically, approximations and distances between its actions and the directives foreseen in the policy. Some of these limits are: inadequate space, nonperformance of the vigilance function, lack of investments foreseen in the pact of consolidation of the SUAS
Esta Dissertação de Mestrado apresenta um estudo do processo de implementação e implantação de CRAS Centro de Referência da Assistência Social, no município de São José dos Campos. Objetivou analisar as dificuldades e possibilidades que emergiram no referido processo. Esse estudo destacou a relevância da implantação dos CRAS no processo de consolidação da política de assistência social no Brasil, principalmente da proteção social básica, conforme normatizado na PNAS (2004) e NOB/SUAS (2005). Este trabalho nos possibilitou o conhecimento histórico da PNAS, que não surge de repente e sim como resultado de questões decorrentes das conjunturas políticas, econômicas e sociais mundiais que repercutem no país, e do modo como as questões sociais brasileiras vêm sendo enfrentadas pela política de proteção social. Possibilitou ainda, mais especificamente, um aprofundamento em relação ao nosso objeto de estudo que foi a implementação e a implantação da proteção social básica, na figura dos CRAS. A pesquisa realizada permitiu apreender, ainda, que os CRAS, que se encontram em processo de implantação, contam, no contexto de seu próprio funcionamento com espaços de avanços e possibilidades. No estudo de caso realizado referente ao CRAS Eugênio de Melo, identificou os limites e avanços no funcionamento daquele CRAS específico, aproximações e distancias entre suas ações e as diretrizes previstas na política. São alguns desses limites: o espaço inadequado, a não realização da função de vigilância, a falta de investimentos previstos no pacto de consolidação do SUAS
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Franklin, Joseph. "La perception de l'autonomie gouvernementale par les Cris du Québec". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/MQ61752.pdf.
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Wada, Ryuichi. "A high-sensitivity CRDS instrument for detection of atmospheric radicals". Thesis, University of Bristol, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.435461.
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Kerboul, Geneviève. "Etude de l'endommagement des produits céramiques crus par émission acoustique". Lyon, INSA, 1992. http://www.theses.fr/1992ISAL0103.
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Le pressage à sec est une opération délicate du procédé d'élaboration classique des matériaux céramiques la plupart des défauts détectés sur les produits frittés trouvent en effet naissance lors de cette étape. La mise en forme des poudres céramiques e été étudiée ici par la technique non destructive de l'émission acoustique (EAJ, avec pour objectif de détecter, dès leur initiation, les défauts dans les comprimés. Un système original de traitement du signal a été conçu afin d'analyser la valeur efficace des signaux acoustiques émis lors du pressage sur des presses hydrauliques industrielles, mais comportant un mono-outillage, Les trois poudres testées : mélange mixte de UD2 et Pu02, U02, Al203, ont révélé leur signature acoustique. Ces signatures montrent clairement les phases de la montée en pression et du démoulage. Les comprimés sains fournissent les signatures de référence. Leur forme dépend des caractéristiques physiques des poudres et de le méthode de pressage utilisée. Leur comparaison aux signatures acoustiques obtenues pour les comprimés défectueux permet de distinguer aisément et en temps réel les signaux dus à le création de défaut· dans le comprimé, ainsi qu'incidemment ceux liée aux dérives des conditions opératoires de pressage, Une large gamme de défauts est ainsi identifiable : End-capping, fissures transversales et superficielles, éclata, feuillets,. . . Le degré d'endommagement du matériau est quantifié par l'analyse de la distribution des valeurs efficaces, et confirmé par un examen visuel direct des comprimés et des pastilles, Cette analyse permet de définir un critère simple et ajustable d'acceptation ou de rejet des comprimés défectueux, critère qui reste bien sur lié final. Ce critère devrait être applicable pour la détection, ln situ et en temps réel, de l'initiation des défauts dans les comprimés élaborés sur des presses industrielles multi poinçonsDry-pressing is a delicate operation in common elaboration process of ceramics. Most of the flews, detected in the final product are created at this stage. Forming of ceramic powders have been here investigated by the non destructive technique of Acoustic Emission (AE), in order to detect flaws in pellets as soon as they are crested, An original system of signal processing have been developed permitting analysis of root mean square (RMS) values of AE signals generated during compaction on industrial hydraulic presses, equipped with a single tool. Three powders have been tested (bland of (U02,Pu02), U02, Al203) and have revealed their acoustic signature. These AE signatures clearly show the phases of compression and ejection, Flawless pellets provide reference signatures. Their pattern depends on the physical properties of powders and on the pressing technique used, The comparison with the signatures obtained for defective pellets permits easy and real time characterization of the signals due to the initiation of defects as well as those related to variations of operational pressing conditions. A broad range of defects as thus recognisable : End-capping, transverse and superficial cracks, plinters, delamination. . . The degree of damage is assessed by analysis of RMS distribution, and confirmed by visual examination of green and sintered pellets. This analysis permits definition of a simple and flexible criterion of acceptance (or rejection) of defective pellets, in agreement with the specifications of the final product. This criterion would be used for in sit and real time detection of flaws, initiated in pellets elaborated on industrial multi-punches presses
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Sudoi, Elias K. "Factors influencing horizontal cracking in continuously reinforced concrete pavements (CRCP)". Thesis, University of North Texas, 2008. https://digital.library.unt.edu/ark:/67531/metadc9025/.
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This research presents the results on an experimental investigation to identify the significant factors influencing horizontal cracking in continuously reinforced concrete pavements (CRCP). An in-depth analysis of the microstructure, morphological characteristics of the interfacial transition zone (ITZ) and the observation of cracking using the environmental scanning electron microscope (ESEM) was done. Characterization of oxides using Fourier transform infrared spectroscopy (FTIR) and electron dispersive x-ray spectroscopy (EDS) was also performed. Water to cement ratio (w/c) and rebar temperature had a significant influence on the rebar-concrete bond strength. The 28-day shear strength measurements showed an increase in rebar-concrete bond strength as the water to cement ratio (w/c) was reduced from 0.50 to 0.40. There was a reduction in the peak pullout load as the temperature increased from 14oF to 252oF for the corroded and non-corroded rebar experiments. The corroded rebar pullout test results showed a 20-50 % reduction in bond strength compared to the non-corroded rebars. FTIR measurements indicated a presence of lepidocrocrite (γ -FeOOH) and maghemite (γ -Fe2O3) on the ITZ. ESEM images showed the existence of microcracks as early as three days after casting with the bridging of these cracks between coarse aggregate locations in the interfacial zone propagating through the mortar.
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Motta, Ricardo J. "An analytical model for the colorimetric characterization of color CRTs /". Online version of thesis, 1991. http://hdl.handle.net/1850/10937.
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Sudoi, Elias K. Nasrazadani Seifollah. "Factors influencing horizontal cracking in continuously reinforced concrete pavements (CRCP)". [Denton, Tex.] : University of North Texas, 2008. http://digital.library.unt.edu/permalink/meta-dc-9025.
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Rueda, Serrano Dany 1982. "Random noise reduction by smoothing of CRS attributes = Redução do ruído aleatório mediante a suavização dos atributos CRS". [s.n.], 2013. http://repositorio.unicamp.br/jspui/handle/REPOSIP/262949.
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Orientador: Martin TygelDissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecânica e Instituto de Geociências
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Resumo: A razão sinal-ruído, geralmente abreviada por razão S/N (do Inglês signal-to-noise ratio) é bastante afetada por ruídos aleatórios, os quais degradam a continuidade e identificação de refletores, com prejuízos para interpretação geológica. Com vistas à superação dessas dificuldades, apresentamos neste trabalho uma técnica baseado na suavização de parâmetros obtidos pela aplicação do método de empilhamento Common-Reection-Surface (CRS). A suavização é realizada através da utilização de estatísticas locais em pequenas janelas alinhadas com os eventos de reflexão. Primeiramente, os parâmetros CRS são estimados através de uma aplicação convencional do método CRS. Em seguida, os parâmetros CRS são suavizados de modo a eliminar flutuações e valores espúrios. Finalmente, os dados originais são submetidos a um novo empilhamento CRS, com utilização dos parâmetros suavizados recém obtidos. O processo pode ser aplicado de maneira iterativa para otimização de resultados. O esquema proposto foi aplicado em um dois conjuntos de dados marítimos 2D, um sintético e um de campo. No dado sintético, obtivemos uma efetiva atenuação do ruído aleatório com significativa ênfase dos eventos de reflexão. A aplicação nos dados de campo resultou num significativo increment da razão S/N com consequente ênfase e aumento de continuidade dos refletores. A interpretação sísmica dos elementos estratigráficos tornou-se mais precisa na seção pós-migrada em tempo (PostSTM) correspondente ao método CRS. A seção migrada foi obtida com a utilização dos parâmetros suavizados em conjunto com um guia de velocidade
Abstract: Signal-to-noise (S/N) ratio in seismic data is affected by random noise, influencing the continuity and identification of reflectors. In this work, I present a method to overcome this problem based on smoothing Common-Reflection-Surface (CRS) parameters through application of local statistics in small windows aligned with reflection events. First, the CRS parameters are obtained by a standard application of the CRS stack method. Subsequently, the CRS parameters are smoothed so as to eliminate fluctuations and outliers. Finally, a CRS stack is performed with the new, smoothed parameters. The process may be iterative, to achieve optimal results. The proposed scheme has been applied on a 2D synthetic data set and marine field data. The synthetic data application showed effective random noise attenuation plus highlighting of the reflection events. Application to the real marine data resulted in an increase of S/N ratio with consequent highlight and greater continuity of the reflections. The seismic interpretation of stratigraphic elements has been more precise in the PostSTM section related with the CRS stack method. It is performed using smoothed attributes and a velocity model as a guide
Mestrado
Reservatórios e Gestão
Mestre em Ciências e Engenharia de Petróleo
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Hamann, Markus. "Erweiterung des CRC-Karten-Konzeptes um Rollen". Bachelor's thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2018. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-231521.
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Die rollenbasierte Modellierung ist ein aktueller Forschungszweig, welcher Verfahren für die Analyse und die Lehre benötigt. Zu diesem Zweck präsentiert die Arbeit eine Erweiterung des klassischen, objektorientierten CRC-Karten-Verfahrens um rollenbasierte Konzepte. Diese basiert auf grundlegenden Eigenschaften rollenbasierter Elemente, wie Rollen, Objekte und Kontexte, welche modular in das CRC-Karten- Verfahren eingebunden werden. Weiterhin soll anhand einer empirische Studie ermittelt werden, wie gut das rollenerweiterte R-CRC-Karten-Verfahren für die Aufgaben in Analyse und Lehre geeignet ist. Das R-CRC-Karten-Verfahren soll letztendlich eine effiziente Möglichkeit bieten, Problemstellungen rollenbasiert zu analysieren und rollenbasierte Konzepte in der Lehre zu vermitteln.
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ALVES, Fábio José da Costa. "Atenuação de múltiplas pelo método WHLP-CRS". Universidade Federal do Pará, 2003. http://repositorio.ufpa.br/jspui/handle/2011/5765.
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ANP - Agência Nacional do Petróleo
Nas bacias sedimentares da região Amazônica, a geração e o acúmulo de hidrocarboneto estão relacionados com a presença das soleiras de diabásio. Estas rochas magmáticas intrusivas possuem grandes contrastes de impedância com as rochas sedimentares encaixantes, resultando em múltiplas externas e internas, com amplitudes semelhantes às das reflexões sísmicas primárias. Estas múltiplas podem predominar sobre as informações oriundas de interfaces mais profundas, dificultando o processamento, a interpretação e o imageamento da seção de sísmica. O objetivo da presente tese é realizar a atenuação de múltiplas em seções sintéticas fontecomum (CS), através da combinação dos métodos Wiener-Hopf-Levinson de predição (WHLP) e o do empilhamento superfície-de-reflexão-comum (CRS), aqui denominando pela sigla WHLPCRS. O operador de deconvolução é calculado com as amplitudes reais do sinal sísmico e traço-a-traço, o que consideramos como uma melhor eficiência para a operação de atenuação. A identificação das múltiplas é feita na seção de afastamento-nulo (AN) simulada com o empilhamento CRS, utilizando o critério da periodicidade entre primária e suas múltiplas. Os atributos da frente de onda, obtidos através do empilhamento CRS, são utilizados na definição de janelas móveis no domínio tempo-espaço, e usados para calcular o operador WHLP-CRS. No desenvolvimento do presente trabalho, visamos evitar a inconveniência da seção processada ZO; desenhar e aplicar operadores na configuração CS; e estender o método WHL para camadas curvas.
In the sedimentary basins of the Amazon region, the generation and accumulation of hydrocarbons is related to the presence of diabase sills. These rocks present a great impedance contrast to the host rocks what turns to cause the generation of internal and external multiples with similar amplitudes the primary events. These multiples can predominate over the information originated at the deeper interfaces, making more difficult the processing, interpretation and imaging of the seismic section. In the present research work, we conducted de multiple attenuation in synthetic commonsource (CS) seismic sections by combining the Wiener-Hopf-Levinson for prediction (WHLP) and the common-reflection-surface-stack (CRS) methods. We denominated this new combination under the name and label of WHLP-CRS method. The deconvolution operator is calculated from the real amplitudes of the seismic section trace-by-trace, and this strategy represents efficiency in the process of multiples attenuation. Multiples identification is carried out in the zero-offset (ZO) section simulated by the CRS-stack applying the periodicity criteria between the primary and its repeated multiples. The wavefront attributes, obtained by the CRS-stack, are employed to move the shifting windows in the timespace domain, and these windows are used to calculate the WHLP-CRS operator for the multiple attenuation carried out in the CS sections. The development of the present research had several intentions as: (first) avoid the inconveniencies of the processed ZO section; (second) design and apply operators in the CS configuration; (third) extend the WHL method to curved interface; (fourth) use the good results obtained in the new CRS-stack technology whose application extends to migration, tomography, inversion and AVO.
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Yu, Yang. "Evaluation of Cryptographic CRC in 65nm CMOS". Thesis, KTH, Skolan för informations- och kommunikationsteknik (ICT), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-209415.
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With the rapid growth of Internet-of-Things (IoT), billions of devices are expected to be interconnected to provide various services appealing to users. Many devices will get an access to valuable information which is likely to increase the number of malicious attacks on these devices in the future. Therefore, security is considered as one of the most critical challenges in the development of IoT. In order to secure resource-constrained devices such as sensors or radio frequency identification (RFID) tags which form the backbone of IoT, lightweight cryptographic algorithms are required. This thesis focuses on the problem of message authentication. To authenticate a message means to verify that the message: (1) comes from the right sender (i.e. its authenticity), and (2) has not been modified (i.e. its integrity). It is challenging to use traditional message authentication methods in resource-constrained devices because typically they can allocate only a few hundred gates for implementing security due to their limited computing, storage and energy resources. To address these needs, a new message authentication algorithm based on a Cryptographic Cyclic Redundancy Check (C-CRC) was developed by KTH in collaboration with Ericsson. In this thesis, we implemented C-CRC and compared it with KECCAK Message Authentication Code (KMAC) standardized by the National Institute of Standards and Technology (NIST) in 2016. First, MATLAB and Verilog versions were developed for both algorithms. The comparison of these two versions allowed us to verify the correctness of algorithms functionality. After that, the Verilog descriptions were simulated in ModelSim and synthesized using Synopsys design compiler. Finally, placement and routing was performed using Cadence SoC Encounter. The evaluation results show that C-CRC outperforms KMAC in terms of area, power, throughput per area, and energy per bit. However, C-CRC is worse than KMAC in terms of latency. We have also investigated several different options of implementing C-CRC, including producing more than one bit of output per clock cycle. We found that such a technique improves throughput of C-CRC with the minimal penalty in area and power consumption
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Moura, Adriano Pinto de. "Adensamento com velocidade controlada de deformação (CRS)". Florianópolis, SC, 2004. http://repositorio.ufsc.br/xmlui/handle/123456789/87186.
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Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia Civil.Made available in DSpace on 2012-10-21T16:05:46Z (GMT). No. of bitstreams: 1 203099.pdf: 3579485 bytes, checksum: e523f95522b4c13316953f14c6a6cfc6 (MD5)
O objetivo desta dissertação foi desenvolver no Laboratório de Mecânica dos Solos da Universidade Federal de Santa Catarina um equipamento para realização de ensaios de adensamento com velocidade controlada de deformação (CRS) visando à obtenção de parâmetros de adensamento tão confiáveis quanto aos obtidos nos tradicionais ensaios edométricos convencionais incrementais num intervalo de tempo mais reduzido. Para a automatização do equipamento, foi desenvolvido também um software para aquisição e processamento dos dados. Com o objetivo de analisar a eficácia do novo equipamento, foram ensaiados solos moles provenientes de dois locais distintos. As amostras são oriundas da costa leste do Estado de Santa Catarina, sendo duas delas coletadas no município de Florianópolis e outras três do município de Joinville. O programa de experimentos contou, no total, com nove ensaios CRS. Dois deles foram de caráter final de experimentação denominados de Ensaios Exploratórios, sendo que os outros sete restantes foram denominados de Ensaios Finais. Desses sete ensaios finais, três deles foram realizados com o objetivo de verificar a influência da velocidade de deformação aplicada na obtenção dos parâmetros de adensamento. Além dos ensaios CRS, foram realizados cinco ensaios edométricos convencionais incrementais para fins comparativos. O maior tempo de duração dos ensaios CRS foi de 22 horas e o mais rápido durou 8 horas. Os resultados comprovaram a eficácia do ensaio CRS na obtenção das relações ev x s#v (esc. log), mostrando curvas de boa qualidade e bem definidas. Os valores obtidos para as tensões de pré-adensamento foram maiores nos ensaios CRS que nos convencionais. Os valores dos coeficientes de adensamento, quando comparados com os do ensaio convencional, mostraram boa concordância no trecho de compressão da amostra, mesmo apresentando significativa dispersão, mostrando que é possível obter-se valores de Cv, nos ensaios CRS, confiáveis em relação aos convencionais. Os resultados mostraram também que há influência da velocidade de deformação aplicada nas curvas ev x s#v (esc. log) e nos valores da tensão de pré-adensamento. Através da obtenção desses bons resultados, verificou-se a eficácia do equipamento, concluindo-se que o ensaio CRS, por ser mais rápido e automatizado, é uma boa alternativa para a realização de ensaios de adensamento.
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Spinner, Miriam Eva Tanja. "CRS-based minimum-aperture Kirchhoff migration in the time domain CRS-basierte Kirchhoff-Migration mit minimaler Apertur im Zeitbereich /". [S.l. : s.n.], 2007. http://digbib.ubka.uni-karlsruhe.de/volltexte/1000007099.
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Cruz, Janaina Miranda. "Sentidos dos afetos das famÃlias em situaÃÃo de pobreza acompanhadas pelo CRAS". Universidade Federal do CearÃ, 2016. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=17661.
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CoordenaÃÃo de AperfeiÃoamento de Pessoal de NÃvel SuperiorA visÃo naturalizada de que as famÃlias pobres sÃo acomodadas e desestruturadas à medida que suas relaÃÃes afetivas se encontram fragilizadas ou rompidas, cujos sentimentos e emoÃÃes os direcionam a assumirem posturas resignadas e fatalistas, estÃo presentes na cultura capitalista. Dessa forma, com o intuito de dar voz a essas famÃlias, esta pesquisa se questiona sobre quais os sentidos dos afetos constituÃdos na vivÃncia de pobreza das famÃlias acompanhadas pelo CRAS? Nesse sentido, atenta-se para o objetivo geral de compreender os sentidos dos afetos das famÃlias acompanhadas pelo CRAS que vivenciam situaÃÃo de pobreza. A pobreza à avistada neste estudo sobre o enfoque multidimensional (SEN, 2010) que considera a estrutura de oportunidades como aspecto fundamental para o exercÃcio da liberdade humana. Tomando como base um estudo de natureza qualitativa com enfoque na pesquisa-intervenÃÃo, a pesquisa foi desenvolvida junto Ãs famÃlias acompanhadas pelos profissionais do CRAS Conjunto EsperanÃa localizado na cidade de Fortaleza (CE). Os recursos metodolÃgicos para a construÃÃo de dados abrangeu a observaÃÃo participante com registro de dados em diÃrio de campo, a aplicaÃÃo do QuestionÃrio SocioeconÃmico a 38 representantes familiares, a facilitaÃÃo de cinco oficinas com famÃlias, e entrevistas com 4 grupos familiares cujos representantes haviam participado das oficinas. Os dados gerados foram analisados a partir da proposta da AnÃlise de ConteÃdo TemÃtica de Bardin (2011) com o auxÃlio do software qualitativo Atlas Ti 5.2. Os resultados apontam uma vida em condiÃÃo de pobreza cerceada pelo histÃrico de abandono, relaÃÃes familiares e comunitÃrias conflituosas, trabalho infantil, gravidez precoce, violÃncia urbana, baixo nÃvel de escolaridade, privaÃÃo de renda e de alimentos associados a sentimentos de vergonha, humilhaÃÃo, desespero, tristeza e medo que, por sua vez, despotencializa o ser. Nesse contexto, a atribuiÃÃo da responsabilidade dos fatos a Deus funciona como elemento amortecedor das tensÃes sociais e emocionais gerados pela inseguranÃa de um futuro incerto. Por outro lado, as relaÃÃes familiares harmoniosas pautadas nos afetos de amor e alegria se constituem como elementos importantes para suportar a dor do sofrimento ocasionado pelas circunstÃncias adversas da vida. Ademais, a gratidÃo e a benevolÃncia demonstraram ser os afetos por excelÃncia voltados para o apoio social das pessoas da comunidade e da polÃtica pÃblica que acabam por transformar os afetos impotentes em potentes sendo essa transformaÃÃo materializada nas prÃticas solidÃrias, implicando em uma forma mais positiva de se posicionar frente ao mundo. Percebe-se a necessidade de cada vez mais se promover uma prÃxis libertadora que viabilize a expansÃo da potÃncia humana, desde que seja orientada por uma visÃo integral do sujeito a partir do conhecimento das condiÃÃes psicossociais que perpassam a compreensÃo dos afetos, sendo a afetividade avistada como um instrumento de inclusÃo social e de mediaÃÃo de posturas mais ativas frente ao mundo.
The naturalized view that poor families are accommodated and dysfunctional as their affective relationships are weakened or broken, whose feelings and emotions direct them to assume resigned and fatalistic attitudes are present in capitalist culture. Thus, in order to give voice to these families, this research question itself about which way the affections constituted in the experience of poverty of families which were assisted by CRAS? In this way, the research draw attention to overall goal of understanding the senses of the affections of families assisted by CRAS who experience the poverty situation. Poverty is sighted in this study under a multidimensional approach (SEN, 2010) which considers the structure of opportunities as a fundamental aspect for the exercise of human freedom. Based on a study of qualitative focusing on intervention research, the research was developed with families accompanied by professionals from CRAS located in Conjunto EsperanÃa neighborhood in the city of Fortaleza (CE). The methodological resources to build its data included participant observation with data journaling field, the application of Socioeconomic Questionnaire to 38 family representatives, facilitation of five workshops with families and interviews with four family groups whose representatives had participated in the workshops. The data have been analyzed from the proposal of the Thematic Content Analysis of Bardin (2011) with the help of qualitative software Atlas Ti 5.2. The results show a life in a poverty condition curtailed by abandoning history, conflicting family and community relationships, child labor, early pregnancy, urban violence, low education level, income and food deprivation associated with feelings of shame, humiliation, despair, sadness and fear which unpower the being. In this context, the allocation of responsibility for the facts to God works as damping element of social and emotional tensions generated by the insecurity of an uncertain future. On the other hand, harmonious family relationships guided in the affections of love and joy are constitute as important elements to bear the pain of the suffering caused by adverse life circumstances. Furthermore, gratitude and benevolence shown to be the affections of excellence focused on the social support of people in the community and public policy that ultimately turn powerless affects in powerful ones and this transformation materialized in solidarity practices, resulting in a more positive way of positioning across the world. We see the need to increasingly promote a liberating praxis that enables the expansion of human power provided since it should be guided by a comprehensive view of the subject from the knowledge of psychosocial conditions that underlie the understanding of emotions, affectivity being sighted as an instrument of social inclusion and mediation of more active posture toward the world.
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Mishra, Priyambada. "Study of Inhibitory Effect of Epididymal Cres on Pc4/Pcsk4 Activity". Thèse, Université d'Ottawa / University of Ottawa, 2011. http://hdl.handle.net/10393/19954.
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PC4/PCSK4 is the major Proprotein Convertase (PC) enzyme that plays a key role in mammalian fertilisation. It is detected in the acrosomal granules of round spermatids, acrosomal ridges of elongated spermatids and sperm plasma membrane overlying the acrosome with K-X-K/X-R as its preferred cleavage motif. Such motifs are present in male germ cell proteins ADAMs, proPACAP and proIGF-1/2 and these precursor proteins are processed most likely by PC4 during spermatogenesis, sperm maturation and sperm-egg interaction. For fertilization to occur, the mature sperm must penetrate the Zona Pelucida (ZP) and bind to the egg. Previously, PC4 null mouse sperm and wild type sperm treated with a specific PC4-inhibitor have shown to reduced abilities to penetrate the cumulus mass, bind to ZP and fertilize eggs. These findings suggest that sperm-PC4 plays an important role in fertilization and hence regulation of its activity is crucial for successful fertilization. But how PC4 activity is regulated in vivo is not yet clear. Recently, in epididymal fluid a serpin (serine protease inhibitor) called CRES has been described but the protease linked to this serpin in epididymis has not been identified. However in endocrine cells where CRES is also expressed, it inhibits PC2 enzyme. Thus based on localization and preliminary study, we propose that PC4 is the target enzyme for CRES in the reproductive tract. During sperm migration and storage in epididymis, sperm PC4 activity may be modulated by CRES so that premature sperm activation may not occur. Our data showed that CRES inhibits PC4 both in vitro (with IC50 in µM range) as well as ex vivo in human placenta trophoblast cell lines. Moreover CRES was found to be cleaved by PC4 suggesting a Serpin-Protease binding type of mechanism in the inhibition of protease activity. Taken together, we conclude that CRES regulates PC4 activity in reproductive tract crucial for mammalian fertilization.
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Dörr, Felix [Verfasser]. "Zentrale Mechanismen bei Patienten mit komplex regionalem Schmerzsyndrom (CRPS) / Felix Dörr". Kiel : Universitätsbibliothek Kiel, 2011. http://d-nb.info/102024481X/34.
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Graham, Matthew J., S. G. Djorgovski, Andrew J. Drake, Daniel Stern, Ashish A. Mahabal, Eilat Glikman, Steve Larson i Eric Christensen. "Understanding extreme quasar optical variability with CRTS – I. Major AGN flares". OXFORD UNIV PRESS, 2017. http://hdl.handle.net/10150/625731.
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There is a large degree of variety in the optical variability of quasars and it is unclear whether this is all attributable to a single (set of) physical mechanism(s). We present the results of a systematic search for major flares in active galactic nucleus (AGN) in the Catalina Real-time Transient Survey as part of a broader study into extreme quasar variability. Such flares are defined in a quantitative manner as being atop of the normal, stochastic variability of quasars. We have identified 51 events from over 900 000 known quasars and high-probability quasar candidates, typically lasting 900 d and with a median peak amplitude of Delta m = 1.25 mag. Characterizing the flare profile with a Weibull distribution, we find that nine of the sources are well described by a single-point single-lens model. This supports the proposal by Lawrence et al. that microlensing is a plausible physical mechanism for extreme variability. However, we attribute the majority of our events to explosive stellar-related activity in the accretion disc: superluminous supernovae, tidal disruption events and mergers of stellar mass black holes.
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Edenholm, Linus, i Filip Mood. "Acceptans av CRS i affärssystem : En studie av affärssystems användares beteende och acceptans för implementationen av Conversational Recommender Systems [CRS]". Thesis, Örebro universitet, Handelshögskolan vid Örebro Universitet, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-90021.
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Siegler, Brad. "Supporting Electronic CRC Card Sessions with Natural Interaction". NCSU, 2004. http://www.lib.ncsu.edu/theses/available/etd-05112004-074846/.
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This paper is an exploration into the potential of a new collaborative tool called the DiamondTouch. An application was developed to support CRC Card Sessions and tested with different users. As part of this research, experiment participants created software designs, both using and not using the software, where metrics were gathered about their performance. The results are examined both in a qualitatively and quantitatively manner for insight into usability of the system. With these results, an evaluation is made on the hardware and the software. Suggestions are made about the future of this application and can provide guidance for developing other collaborative applications on the DiamondTouch.
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Jäger, Christoph. "Minimum aperture Kirchhoff migration with CRS stack attributes". Berlin Logos-Verl, 2005. http://deposit.ddb.de/cgi-bin/dokserv?id=2662763&prov=M&dok_var=1&dok_ext=htm.
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Carson, Robbie. "Targeting acute resistance mechanisms inhibition in BRAFMT CRC". Thesis, Queen's University Belfast, 2015. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.695267.
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Colorectal cancer (GRG) is the 3rd common cancer, and second leading cause of cancer associated mortality. Oncogenic mutations in the BRAF gene results in an altered protein structure, leading to constitutively activated MAPK signalling. Beneficial treatment strategies for this poor prognostic subgroup of GRG patients have yet to be identified. Hence this objective of this study was to identify novel treatment strategies in BRAF mutant GRG models. Our data has shown that MEK inhibition results in acute expression of pSTAT3, regulated through the c-METI JAK signalling axis. Taking a combined approach of JAKlMEK, or c-MET/MEK inhibition we have shown that these combinations results in significant increased apoptosis in BRAFMT GRG, and have potential as novel combinations. Furthermore, we are the first to show that MEK inhibition results in increased expression of the caspase 8 inhibitor c-FLlP, as a mechanism of resistance to apoptosis induction. Using a gene silencing and small-molecule inhibitor approach, we have identified that combined c-FLlP/MEK inhibition is a novel treatment strategy that may provide benefit for this subgroup of GRG patients.