Bibliografie tematiche / 68T07

Letteratura scientifica selezionata sul tema "68T07"

Autore: Grafiati

Pubblicato: 1 giugno 2024

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Articoli di riviste sul tema "68T07":

HERMAWAN, IRFAN, e REZA CHANDRA. "Analisis Implementasi Link Aggregation dengan PIECES Framework pada Jaringan Transmisi Seluler". ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika 11, n. 1 (24 gennaio 2023): 167. http://dx.doi.org/10.26760/elkomika.v11i1.167.

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ABSTRAKPerkembangan layanan data seluler mulai teknologi 2G Enhanced GPRS (EGPRS) berkecepatan 473,6 kbps terus meningkat sampai teknologi 5G enhanced Mobile Broadband (eMBB) berkecepatan 10 Gbps berdampak pada penggunaan aplikasi eCommerce, media sosial, platform video dan meeting online juga semakin tinggi. Lokasi perangkat 2G sampai 5G berada dalam satu lokasi yang sama berdampak pada penggunaan perangkat dan jalur transmisi yang sama pula, sehingga utilisasi transmisi cepat mengalami congestion. Untuk mengatasi congestion digunakan metode Link Aggregation (LAG) untuk menambah kapasitas antara koneksi Indoor Unit (IDU) dengan router. Untuk mengevaluasi efektivitas implementasi LAG digunakan kerangka kerja Performance Information Economics Control Efficiency Service (PIECES). Dari evaluasi kerangka kerja PIECES dapat disimpulkan dengan implementasi LAG kapasitas link bertambah dari 1x1 Gbps menjadi 2x1 Gbps, congestion turun dari 68,07% menjadi 34,60%, performance meningkat 50% dan throughput meningkat 10,63 Mbps.Kata kunci: Transmisi seluler, congestion, kapasitas, LAG, PIECES ABSTRACTThe development of cellular data services is always growing from 2G Enhanced GPRS (EGPRS) with speed 473.6 kbps continues to 5G enhanced Mobile Broadband (eMBB) with speed up to 10 Gbps has an impact on the use of eCommerce, social media, video platforms and online meeting applications is also increasing. The location of 2G to 5G devices in the same location has an impact on the use of the same devices and transmission lines, so the utilization of transmission also getting congestion. To overcome congestion the Link Aggregation (LAG) method is used to add the capacity between Indoor Unit (IDU) and router connection. To evaluate the effectiveness of LAG implementation, the Performance Information Economics Control Efficiency Service (PIECES) framework is used. From the evaluation of PIECES framework, it can be concluded that implementation LAG make link capacity increased from 1x1 Gbps to 2x1 Gbps, congestion decreased from 68.07% to 34.60%, performance increased 50% and throughput increased 10.63 Mbps.Keywords: Cellular transmission, congestion, capacity, LAG, PIECES

Hewitt, J. D., e M. Marrush. "Remobilization of Nonstructural Carbohydrates from Vegetative Tissues to Fruits in Tomato". Journal of the American Society for Horticultural Science 111, n. 1 (gennaio 1986): 142–45. http://dx.doi.org/10.21273/jashs.111.1.142.

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Abstract Soluble sugar and starch levels were measured in leaf, stem, and petiole tissues of 3 tomato (Lycopersicon esculentum Mill.) cultivars throughout plant development in order to 1) assess the contribution of reserve carbohydrates to final fruit yield and quality and 2) determine whether genotypic variation exists for this trait. In all 3 cultivars — ‘VF145B-7879’ (‘7879’), ‘UC82’ (‘82’), and ‘BL6807’ (‘6807’) — leaf tissue was found to accumulate high levels of both soluble sugars and starch. Stem and petiole tissues, although having high sugar content, accumulated little starch. An estimate of the proportion of fruit dry weight attributable to remobilization of nonstructural carbohydrate (NSC) from vine tissue was made by determining the dry weight of sugars and starch lost from vegetative tissue once the vine had ceased gaining weight and dividing by the final fruit dry weight. Values for ‘6807’ and ‘7879’ were 4.8% and 0.3%, respectively. No remobilization of NSC was apparent in ‘82’. The primary remobilized carbohydrate was leaf starch in both ‘6807’ and ‘7879’. Leaf and stem sugars were also remobilized in ‘6807’. The relatively high degree of remobilization in ‘6807’ was associated with early maturity and a high fruit/leaf ratio.

Vos, Marten H., Brandon J. Reeder, Fevzi Daldal e Ursula Liebl. "Correction: Ultrafast photochemistry of the bc1 complex". Physical Chemistry Chemical Physics 19, n. 13 (2017): 9320. http://dx.doi.org/10.1039/c7cp90057k.

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Lu, Gui-Feng, Fei Geng, Zhi Xiao, Yuan-Shou Chen, Yong Han, Chun-Yue You, Nan-Ling Gong, Ze-Mei Xie e Min Pan. "MicroRNA-6807-3p promotes the tumorigenesis of glioma by targeting downstream DACH1". Brain Research 1708 (aprile 2019): 47–57. http://dx.doi.org/10.1016/j.brainres.2018.12.008.

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Yao, Yuanshan, Yinjie Zhou e Qingwang Hua. "circRNA hsa_circ_0018414 inhibits the progression of LUAD by sponging miR-6807-3p and upregulating DKK1". Molecular Therapy - Nucleic Acids 23 (marzo 2021): 783–96. http://dx.doi.org/10.1016/j.omtn.2020.12.031.

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García, A. López, Yu D. Medvedev e J. A. Moraño Fernández. "Using Close Encounters of Minor Planets for the Improvement of their Masses". International Astronomical Union Colloquium 165 (1997): 199–204. http://dx.doi.org/10.1017/s0252921100046558.

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AbstractThe orbits of 6807 numbered minor planets on the time interval 1975–2010 have been integrated. The possibility of determining masses for asteroids with close encounters with each other has been investigated, including several kinds of situations. The importance of the observational time arc, as well as the distribution of observations, for determining the masses are shown. The mass of asteroid (24) Themis from its perturbations on asteroid (2296) Kugultinov, and the mass of (10) Hygiea from its perturbations on (1259) Ógyalla have been determined.

Taqui, Mohd, Sneha Das, Tuhin Kamilya, Sandip Mondal e Surabhi Chaudhuri. "GREEN SYNTHESIS OF IRON-OXIDE NANOPARTICLES USING SCRAP IRON AS PRECURSOR FOR THE REMOVAL OF PB (II) FROM AQUEOUS MEDIUM". Journal of Environmental Engineering and Landscape Management 30, n. 2 (14 giugno 2022): 308–20. http://dx.doi.org/10.3846/jeelm.2022.16747.

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In the present study, low-cost, environmentally friendly, single-step, high productive novel Iron-oxide nanoparticles (NPs) were prepared from scrap iron using a green synthesis method to remove Pb (II) from aqueous solution. The characterization of synthesized nanoparticles was conducted by UV-vis spectroscopy. The crystalline structure and the phase change were clarified by XRD. FE-SEM was done to know the morphology of iron oxide nanoparticles, and the average surface area of 46.856 m2/g was found by the BET surface area analyzer. The XRD plot shows that the obtained magnetite Fe3O4 combines FeO and Fe2O3 as the synthesis was conducted in the open atmosphere. The SEM images confirm the formation of iron oxide nanoparticles with a size of 31 nm. The removal efficiency of the adsorbent was carried out by optimizing the different operational parameters like pH, time, adsorbent dosage, initial concentration of metal ion, contact time by batch studies. The obtained pHzpc (pH 5.7) value indicates that the adsorption process will be favorable at higher pH. The maximum removal efficiency and uptake capacity of lead were 98% and 68.07 mg/g, respectively. Adsorption data obtained were analyzed with Langmuir and Freundlich isotherm equations. The equilibrium data are fitted by Langmuir isotherm in a superior way than that of Freundlich isotherm. The results show that homogeneous adsorption of the metal ion favors heterogeneous adsorption. The maximum adsorption capacity of iron oxide NPs was calculated through Langmuir isotherm was Qmax (68.07) mg/g. Moreover, the adsorption of metal ions with time was also analyzed with the pseudo 1st and pseudo 2nd kinetic equations. The kinetic data are fitted more in the pseudo 2nd order reaction. Adsorption capacity calculated through pseudo 2nd order equation was qe (51.81) mg/g. This literature verifies that NPs synthesized from scrap iron as precursors prove to be an attractive option for removing heavy metals.

Picon, Bernard. "Chasse, pèche, cueillette : un même objet support d'attitudes et de pratiques sociales différenciées". Sociétés contemporaines 8, n. 4 (1 novembre 1991): 87–100. http://dx.doi.org/10.3917/soco.p1991.8n1.0087.

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Résumé Chacun des ménages interrogés dans l'enquête Modes de vie (il y en a 6807) était invité à décrire ses activités de chasse, pêche, cueillette. L'analyse des résultats montre qu'il existe globalement une hiérarchie : la cueillette est la plus répandue, suivie de la pêche puis de la chasse. Ces trois activités se présentent comme des pratiques essentiellement populaires. La chasse et la cueillette se caractérisent par un ancrage réel et symbolique fort à la culture paysanne. La pêche apparaît plutôt comme un loisir ouvrier déconnecté du monde rural.

Yoto, Yoto, Marsono Marsono, Agus Suyetno, Putri Ardista Nursisda Mawangi e Djoko Kustono. "Pelatihan Manajemen Bengkel Bidang Teknologi dan Rekayasa Bagi Guru Sekolah Menengah Kejuruan (SMK) Canda Bhirawa Pare Kabupaten Kediri". IRA Jurnal Pengabdian Kepada Masyarakat (IRAJPKM) 1, n. 2 (7 ottobre 2023): 7–16. http://dx.doi.org/10.56862/irajpkm.v1i2.65.

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Sebuah bengkel pada sekolah kejuruan rentan terhadap bahaya kecelakaan terutama SMK bidang teknologi dan rekayasa, oleh karena itu bengkel harus dikelola oleh guru yang profesional memiliki keterampilan manajemen bengkel yang memadai. Oleh karena itu sangat diperlukan pelatihan bagi guru SMK tentang manajemen bengkel untuk mencegah terjadinya kecelakaan kerja bagi para siswa saat kegiatan di bengkel. Pelatihan saat ini dilakukan pada pada guru-guru produktif bidang teknologi dan rekayasa di SMK Canda Bhirawa Pare kediri sebanyak 41 orang. Pelatihan dilakukan oleh Tim pengabdian kepada Masyarakat LP2M Universitas Negeri Malang. Pelatihan manajemen bengkel dilakukan dengan materi teori dan praktik. Hasil pelatihan menunjukkan bahwa rata-rata kompetensi nilai pre-test 68,07; nilai pos-test 90,64. Sehingga terdapat kenaikan kompetensi dari sebelum pelatihan disbanding setelah pelatihan sebesar 22,57.

Berry, S. Z., e M. Rafique Uddin. "Effect of High Temperature on Fruit Set in Tomato Cultivars and Selected Germplasm". HortScience 23, n. 3 (giugno 1988): 606–8. http://dx.doi.org/10.21273/hortsci.23.3.606.

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Abstract Selected F3 and F4 lines of different origin were evaluated at high temperature (26° night and 35°C day) in the greenhouse along with several known heat-sensitive and heat-tolerant tomato (Lycopersicon esculentum Mill.) cultivars. A number of the selected lines had fruit set comparable to the tolerant cultivars Saladette, Ohio 7663, BL 6807, and Chico III. The expected greater fruit set of the tolerant cultivars vs. that of the sensitive cultivars was observed. High fruit set in this study was not associated with high seed number in the majority of tolerant cultivars evaluated.

Più fonti

Tesi sul tema "68T07":

Tinsi, Laura. "Modeling and optimal strategies in short-term energy markets". Electronic Thesis or Diss., Institut polytechnique de Paris, 2021. http://www.theses.fr/2021IPPAG005.

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Cette thèse vise à fournir des outils théoriques pour soutenir le développement et la gestion des énergies renouvelables intermittentes sur les marchés court terme de l'électricité.Dans la première partie, nous développons un modèle d'équilibre exploitable pour la formation des prix sur les marchés infrajournaliers de l'électricité. Pour cela, nous proposons un jeu non coopératif entre plusieurs producteurs interagissant sur le marché et faisant face à une production renouvelable intermittente. En utilisant la théorie des jeux et celle du contrôle stochastique, nous dérivons des stratégies optimales explicites pour ces producteurs ainsi qu'un prix d'équilibre en forme fermée pour différentes structures d'information et caractéristiques des joueurs. Notre modèle permet de reproduire et d'expliquer les principaux faits stylisés du marché intraday tels que la dépendance temporelle spécifique de la volatilité et la corrélation entre le prix et les prévisions de production renouvelable.Dans la deuxième partie, nous étudions des prévisions probabilistes dynamiques sous la forme de processus de diffusion. Nous proposons plusieurs modèles d'équations différentielles stochastiques pour capturer l'évolution dynamique de l'incertitude associée à une prévision, nous dérivons les densités prédictives associées et nous calibrons le modèle sur des données météorologiques réelles. Nous l'appliquons ensuite au problème d'un producteur éolien recevant des mises à jour séquentielles des prévisions probabilistes de la vitesse du vent, utilisées pour prédire sa production, et prendre des décisions d'achat ou de vente sur le marché. Nous montrons dans quelle mesure cette méthode peut être avantageuse comparée à l'utilisation de prévisions ponctuelles dans les processus décisionnels.Enfin, dans la dernière partie, nous proposons d'étudier les propriétésdes réseaux de neurones peu profonds agrégés. Nous explorons le cadre PAC-Bayesien comme alternative à l'approche classique de minimisation du risque empirique. Nous nous concentrons sur les priors Gaussiens et dérivons des bornes de risque non asymptotiques pour les réseaux de neurones agrégés. Ces bornes donnent des vitesses de convergence minimax pour l'estimation dans des espaces de Sobolev.Cette analyse fournit également une base théorique pour le réglage des paramètres et offre de nouvelles perspectives pour des applicationsdes réseaux de neurones agrégés à des problèmes pratiques de haute dimension, de plus en plus présents dans les processus de décision liés à l'énergie et impliquant des moyens de production renouvelable ou du stockage
This thesis focuses on providing theoretical tools to help in the development and management of intermittent renewable energy in short term electricity markets.In the first part, we develop a tractable equilibrium model for price formation in intraday electricity markets. For this, we propose a non cooperative game between several producers interacting in the market and facing an intermittent renewable production. Using stochastic control and game theory, we derive explicit optimal strategies for these producers as well as a closed form equilibrium price for different information structures and player characteristics. Our model allows to reproduce and explain the main stylized features of the intraday market such as the specific time dependence of volatility and the correlation between the price and the renewable production forecasts.In the second part, we study dynamic probabilistic forecasts in the diffusion framework. We propose several stochastic differential equation models to capture the dynamic evolution of the uncertainty associated to a forecast, derive the associated predictive densities and calibrate the model on real meteorological data. We then apply it to the problem of a wind energy producer receiving sequential updates of the probabilistic forecasts of the wind speed used to predict her production and make trading decisions in the market. We show to what extent this method can outperform the use of point forecasts in decision-making processes.Finally, in the last part, we propose to study the propertiesof aggregated shallow neural networks. We explore thePAC-Bayesian framework as an alternative to the classicalempirical risk minimization approach. We focus on Gaussianpriors and derive non-asymptotic risk bounds for theaggregated neural networks. These bounds yield minimaxrates of estimation over Sobolev smoothness classes.This analysis also provides a theoretical basis for tuning theparameters and offers new perspectives for applicationsof aggregated neural networks to practical high dimensionalproblems increasingly present in energy decision problemsinvolving renewables or storage

Garcelon, Evrard. "Constrained Exploration in Reinforcement Learning". Electronic Thesis or Diss., Institut polytechnique de Paris, 2022. http://www.theses.fr/2022IPPAG007.

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Une application majeure de l'apprentissage machine automatisée est la personnalisation des différents contenus recommandé à différents utilisateurs. Généralement, les algorithmes étant à la base de ces systèmes sont dit supervisé. C'est-à-dire que les données utilisées lors de la phase d'apprentissage sont supposées provenir de la même distribution. Cependant, ces données sont générées par des interactions entre un utilisateur et ces mêmes algorithmes. Ainsi, les recommandations pour un utilisateur à un instant t peuvent modifier l'ensemble des recommandations pertinentes à un instant ultérieur. Il est donc nécessaire de prendre en compte ces interactions afin de produire un service de la meilleure qualité possible. Ce type d'interaction est réminiscente du problème d'apprentissage en ligne. Parmi les algorithmes dit en ligne, les algorithmes de bandits et d'apprentissage par Renforcement (AR) semblent être les mieux positionnés afin de remplacer les méthodes d'apprentissage supervisé pour des applications nécessitant un certain degré de personnalisation. Le déploiement en production d'algorithmes d'apprentissage par Renforcement présente un certain nombre de difficultés tel que garantir un certain niveau de performance lors des phases d'exploration ou encore comment garantir la confidentialité des données collectées par ces algorithmes. Dans cette thèse nous considérons différentes contraintes freinant l’utilisation d’algorithmes d’apprentissage par renforcement, en fournissant des résultats à la fois empirique et théorique sur la vitesse d’apprentissage en présence de différentes contraintes
A major application of machine learning is to provide personnalized content to different users. In general, the algorithms powering those recommandation are supervised learning algorithm. That is to say the data used to train those algorithms are assumed to be sampled from the same distribution. However, the data are generated through interactions between the users and the recommendation algorithms. Thus, recommendations for a user a time t can have an impact on the set of pertinent recommandation at a later time. Therefore, it is necessary to take those interactions into account. This setting is reminiscent of the online learning setting. Among online learning algorithms, Reinforcement Learning algorithms (RL) looks the most promising to replace supervised learning algorithms for applications requiring a certain degree of personnalization. The deployement in production of RL algorithms presents some challenges such as being able to guarantee a certain level of performance during exploration phases or how to guarantee privacy of the data collected by RL algorithms. In this thesis, we consider different constraints limiting the use of RL algorithms and provides both empirical and theoretical results on the impact of those constraints on the learning process

Singh, Tanuj. "Development of a premixed burner integrated thermoelectric power generator for insect control". Thesis, Cardiff University, 2014. http://orca.cf.ac.uk/68407/.

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Electrical power generation using hydrocarbons presents a huge potential owing to their higher power densities and environmental factors associated with lithium ion batteries. Small scale combustors have been widely developed and tested for power generation purpose employing Thermoelectrics and Thermophotovoltaic conversion of combustion heat into electricity. This thesis is concerned with development and investigation of a novel non-catalytic meso scale self-aspirating premixed burner integrated thermoelectric generator for a CO2 Generator device having its application in the insect control industry. Flame stabilisation has been one of the main issues in small scale combustion systems due to higher surface to volume ratio associated with small size of the combustor. Previous research has shown that catalytic combustion is one way of improving flame stabilisation, however employing a catalyst into the system increases the manufacturing cost which can be a significant downside. This research work studies flame stabilisation mechanisms in meso-scale burner which mainly focuses on Backward Facing Step or Sudden Expansion Step and secondary air addition into the combustion chamber. A 250 W premixed burner was developed which was classified as a meso scale burner whose operating parameters were in a range of micro-combustors whereas the size was comparatively bigger due to its integration with standard size thermoelectric modules. The first phase of the research was concerned with development of the burner which included optimisation of the design to achieve a stable enclosed premixed flame as per the design and operational requirements. It was found that flame blowoff can be prevented by addition of secondary air into the combustion chamber downstream of the step. The second phase of the research focused on the integration of the burner with thermoelectric power generators. This involved investigation of various configurations to optimise the electrical power output. The burner integrated thermoelectric unit was then tested in the actual field to validate the concept of integrating combustion and thermoelectrics for small scale power generation applications. The final phase of the research involved a study on the effect of secondary air addition on flame stabilisation in burners employing backward facing step. The minimum secondary air requirement for burner with different step heights was determined. The addition of secondary air cross-stream into the combustion chamber creates stable recirculation zone which reduces the local stream velocity and hence prevents flame blowoff.

Salleh, Noor Maya. "The role of emotions and emotional intelligence during merger of two banking institutions in Brunei". Thesis, University of Southampton, 2009. https://eprints.soton.ac.uk/68707/.

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This study seeks to investigate the role of emotional intelligence in merger. Much of the existing literatures state that merger between organizations is a stressful event that affects the emotions of employees and thus have implication on the degree of support and attitudes towards merger. It is suggested that in changing circumstances such as merger, emotional ability could significantly assist individual employees to better deal with change, adapt to, and cope with changing surroundings. This study therefore used emotional intelligence as emotion-focused coping strategy to buffer negative emotional responses and to acquire positive attitudes towards merger. A two time points longitudinal study was conducted aimed to examine employees’ responses at four months post merger and ten months post merger. MSCEIT ability-based model measurement was used to measure the emotional intelligence of employees. Questionnaires were administered to obtain statistical data on the emotional responses, degree of support and attitudes towards merger. Qualitative data was also collected from interviews in order to tap first hand emotional responses of employees experiencing merger. At the same time emotional intelligence training was conducted in order to investigate whether emotional intelligence can be developed using training intervention. This study found relationships between emotional intelligence and degree of supports. This suggests that individual employees were more able to regulate their emotion and accept merger after ten months merger. The training intervention and Islamic culture could have influence the employees’ positive emotions and support for merger.

Børø, Siri. "Morphological Characterization of Descending Neurons and Determination of Output areas in the Brain of the Moth Heliothis virescens". Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for biologi, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-19036.

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Knowledge on how an insect’s behavior changes in response to chemical substances in the environment can ultimately contribute to the development of biologically harmless pest controls. One of the links between sensory processing systems in the brain and motoric output is thought to be the neurons mediating the pre-processed information from the brain to act on motor circuits in the ganglia of insects. In the present study, the noctuid moth Heliothis virescens was the insect of study, and the thoracic ganglion of in total 88 preparations was stained with fluorescent dye to systematically study the descending neurons mediating information out of their brains. Performing mass-staining of the thoracic ganglion have contributed to knowledge on the areas where these neurons originates or projects. Visualizing the stained neurons in a confocal microscope showed condensed staining of dendrites of descending neurons in the anterior-ventral part of the lateral protocerebrum and in the lateral accessory lobes. Knowing that processing of chemosensory information might result in activities of behavioral relevance, it was especially interesting to see whether projection neurons making up the olfactory axis in the lateral protocerebrum overlapped spatially with dendrites of descending neurons eventually terminating in motor systems in the thoracic ganglia. Double staining of both the antennal lobe and the thoracic ganglion were therefore performed in the same individual, in 31 preparations. Three dimensional reconstruction and registration of descending neurons into the digital standard brain atlas (SBA) of H.virescens supported the spatial position of descending neurons in the anterior-ventral part of the lateral protocerebrum. The SBA containing the descending neurons was visually compared to a separate SBA containing the olfactory axis in the lateral protocerebrum, indicating no or minimal spatial overlap between the olfactory axis and the dendrites of descending neurons. This highlights the need for a detailed examination to discover if sensory information can be transferred to motor systems via 3rd order neurons local to the protocerebrum.

Carboni, Massimo. "Ripensare il finale: Un centro culturale per la ricomposizione dell'area del castello". Master's thesis, Alma Mater Studiorum - Università di Bologna, 2014. http://amslaurea.unibo.it/6807/.

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L'oggetto della tesi riguarda la riqualificazione dell'area attorno al Castello delle Rocche di Finale Emilia, attraverso l'introduzione di due nuovi edifici adibiti a biblioteca e centro civico. Il tentativo è stato quello di ricomporre questo importante nodo urbano trasformandolo in una grande piazza della cultura che fa perno attorno al castello, ridandogli il giusto ruolo all'interno della scacchiera urbana, soprattutto a seguito degli eventi sismici del 2012 che hanno portato ad un suo parziale crollo. I nuovi edifici cercano una relazione ed una definizione con la città e la sua storia, nel tentativo di inserirsi nella storia urbana di Finale in maniera più naturale possibile.

Rogers, Joan Elizabeth. "Fear of fiction : the authorial response to realism in selected works by Swift, Defoe, and Richardson". Thesis, Durham University, 1986. http://etheses.dur.ac.uk/6807/.

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If Mrs. Whitehouse produced a pornographic play, it would arouse enormous interest, mainly because of Mrs. Whitehouse’s well known views on pornography. It is an ancient fact of English Literature that two of the best known pioneers of the English realistic novel, Daniel Defoe and Samuel Richardson, were Puritans. And there is an almost equally ancient critical tradition which traces the easy path of Puritan literature, in combination with other cultural forces, towards the production of realistic fiction. The central argument of this thesis is that there was no such easy path. Puritan autobiography was unrealistic in its very nature, while Puritan feeling towards fiction was hostile, with realistic, or verisimilar fiction provoking most hostility because the most deceitful. Thus the writing of a realistic novel was a radical departure for the Puritan, and one that was fraught with tension. It is this tension, or fear of fiction, and its effects on work of the two Puritan novelists, and that odd Anglican Jonathan Swift, that is the subject of this thesis. Swift joins Defoe and Richardson as an author with a special relationship with Defoe, and himself closer to a fearful anti- mimetic "tradition" than the comic tradition in which he is usually placed alongside Fielding and Sterne. Selected works of the three authors reveal their struggle with the intense problems that realism created for them, and their eventual 'solutions'. Hence by the time that Dr. Johnson made his famous critical statement against the fearful potential of realism in his fourth Rambler [31 March 1750), he was actually formalising material that had been well examined in the fiction under discussion, rather than beating an original critical path in response to Fielding's supposedly 'new' verisimilar form.

Pallas, Kenneth James. "The role of ACKR2 in inflammatory pathologies". Thesis, University of Glasgow, 2015. http://theses.gla.ac.uk/6807/.

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Chemokines are a highly conserved family of chemoattractant cytokines that are key to the movement of cells around the body under both inflammatory and homeostatic conditions. Chemokines bind to seven transmembrane G protein coupled receptors that signal and induce cell movement upon ligand binding. As well as the ‘classical’ chemokine receptors, there also exists a family of atypical chemokine receptors that do not induce a canonical signalling response upon ligand binding. These atypical chemokine receptors (ACKR) have been shown to modify the chemokine response through processes such as the scavenging of inflammatory chemokines. One such receptor with this scavenging function is ACKR2 which has been shown to bind and internalise all of the inflammatory CC chemokines. The functional repertoire of ACKR2 continues to be expanded and it is now thought to have a role in inflammation, lymphatic drainage and lymphatic vessel development. It has been shown that the absence of this receptor results in impaired resolution of inflammation and, as a result, increased inflammatory pathologies in vivo. In models of skin inflammation a lack of ACKR2 has been shown to result in increased pathology and impaired inflammatory resolution. Multiple models of cutaneous inflammation, including excisional wound healing and chemically induced damage, were used to further investigate the role of ACKR2 in this context. Work on wound healing suggested that although ACKR2 appears to play no role in wound closure it does have a role in the formation of scar tissue in an excisional wound. Our data suggest that ACKR2 has a role in collagen deposition in developing and maturing scars. We also found that ACKR2 had a protective role in chemically-induced models of skin inflammation. We then looked at the role of ACKR2 in ocular inflammation. The main work performed in this section involved the use of the experimental autoimmune uveitis (EAU) model. Here we found that ACKR2 had a protective effective resulting in reduced pathology and infiltration of inflammatory leukocytes. This work also suggested, using in vitro analysis, that a human retinal pigmented epithelial cell line expresses functional ACKR2 protein and that our findings may be relevant to human disease. Finally we looked at the role of ACKR2 in the inflammatory autoimmune disease rheumatoid arthritis (RA). By taking samples of peripheral blood from RA patients we assessed the transcript levels of Ackr2 and correlated them with clinical measurements. Our findings suggested that, in patients with ‘well-controlled’ RA, there was an increase in the transcription of Ackr2 in peripheral blood leukocytes. Additional work using in vitro methods suggest that the hypoxic nature of the rheumatoid joint, and some of the drugs used to treat the disease, may increase the transcription of Ackr2. Overall the findings in this work suggest novel roles for ACKR2 in the skin and the eye. They also shed light on further environmental factors that may alter the local expression of ACKR2 in the rheumatoid joint. Taken together this work suggests that ACKR2 may have great therapeutic potential and, furthermore, this potential may be relevant to a wider range of tissues than previously thought.

Taylor, Carly. "Development and characterisation of mechanical and enzymatic models of cartilage degeneration". Thesis, University of Leeds, 2013. http://etheses.whiterose.ac.uk/6807/.

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Currently, there is a gap between pharmacological treatment and joint replacement for the management of cartilage degradation diseases, such as osteoarthritis. It may be possible to use cartilage substitution materials to treat small defects in cartilage tissues, delaying the need for joint replacements, which have a limited lifetime in vivo, so are not suitable for many patients. A major barrier to the use of cartilage substitution materials is suitable in vitro testing of cartilage materials. Therefore mechanical and enzymatic models of cartilage degeneration were developed, which may be used to assess novel cartilage substitution materials. A single station pin-on-plate rig with a variable load was used to degrade the cartilage tissue of osteochondral pins and plates to produce two mechanical models of degradation denoted “mild” and “moderate”. A Ringer’s solution and serum based lubricant were chosen to hydrate cartilage tissues during articulation. The lubricants used during mechanical degradation were collected and analysed quantitatively for glycosaminoglycan (GAG) and collagen content. In addition, a method for isolating and imaging the cartilage wear particles in the lubricant was developed. A chondroitinase ABC enzyme was used to enzymatically degrade cartilage tissues. The mechanical and enzymatic degradation in the models was characterised using a broad range of mechanical and biological assessment techniques. The mechanical degradation and wear of the tissues created using the pin-on-plate rig was evaluated using cartilage height measurements, friction measurements, surface profilometry, histological and immunohistological staining, and quantitative biochemical assays. The wear on the surface of the tissue was observed using environmental scanning electron microscopy and the tissue ultrastructure was observed using transmission electron microscopy. The tissues degraded using chondroitinase ABC were analysed using indentation testing, histological and immunohistological staining, quantitative biochemical assays, and transmission electron microscopy. It was determined that an increased load used during pin-on-plate testing resulted in an increase in tissue degradation. Mechanical degradation under the “moderate” loading condition caused the surface of the cartilage tissue to become fibrillated and areas of tissue loss were observed. Under the mild condition the cartilage surface remained relatively smooth however, several small fissures were observed in some specimens. The surface of the tissue degraded under moderate conditions was significantly rougher than that degraded under the mild condition. There was a small loss of GAGs in the mild condition whereas a large volume of GAGs were lost from the tissue under the moderate condition, and the aggrecan network in the tissue was heavily disrupted. There was no significant difference between the friction measurements or the height measurements recorded for the specimens under the two variable loading conditions. Immunohistochemical staining for minor tissue components showed that collagen VI and cartilage oligomeric matrix protein (COMP) were not altered by the mechanical degradation, whereas a loss in biglycan was observed in specimens loaded under the moderate condition. It was observed that the serum lubricant may protect the cartilage tissue from degradation during articulation. An increased number of wear particles were observed in the lubricants recovered from the moderate loading condition tests. Digestion of tissues with chondroitinase ABC led to an increase in tissue deformation during indentation. The level of GAGs in the tissues was reduced and the GAGs associated with the aggrecan network in the tissue were no longer visible. Collagen VI and COMP were not significantly affected by chondroitinase ABC digestion, however biglycan staining was reduced at the superficial to middle zone of the tissue. The models produced have potential to be used in the assessment of novel cartilage substitution materials. The parameters used in this study will also be useful in the development of in vitro whole joint simulators.

Infantino, Angelo <1985&gt. "Advanced aspects of radiation protection in the use of particle accelerators in the medical field". Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2015. http://amsdottorato.unibo.it/6807/.

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In this work, the well-known MC code FLUKA was used to simulate the GE PETrace cyclotron (16.5 MeV) installed at “S. Orsola-Malpighi” University Hospital (Bologna, IT) and routinely used in the production of positron emitting radionuclides. Simulations yielded estimates of various quantities of interest, including: the effective dose distribution around the equipment; the effective number of neutron produced per incident proton and their spectral distribution; the activation of the structure of the cyclotron and the vault walls; the activation of the ambient air, in particular the production of 41Ar, the assessment of the saturation yield of radionuclides used in nuclear medicine. The simulations were validated against experimental measurements in terms of physical and transport parameters to be used at the energy range of interest in the medical field. The validated model was also extensively used in several practical applications uncluding the direct cyclotron production of non-standard radionuclides such as 99mTc, the production of medical radionuclides at TRIUMF (Vancouver, CA) TR13 cyclotron (13 MeV), the complete design of the new PET facility of “Sacro Cuore – Don Calabria” Hospital (Negrar, IT), including the ACSI TR19 (19 MeV) cyclotron, the dose field around the energy selection system (degrader) of a proton therapy cyclotron, the design of plug-doors for a new cyclotron facility, in which a 70 MeV cyclotron will be installed, and the partial decommissioning of a PET facility, including the replacement of a Scanditronix MC17 cyclotron with a new TR19 cyclotron.
In questo lavoro, il codice Monte Carlo (MC) FLUKA è stato utilizzato per simulare il ciclotrone GE PETtrace (16.5 MeV) installato presso l’azienda ospedaliera “S. Orsola-Malpighi” (Bologna, IT), quotidianamente utilizzato per la produzione di radiofarmaci PET. Le simulazioni sono state effettuate per valutare diversi fenomeni e quantità d’interesse radiologico tra cui l’equivalente di dose ambientale nell’intorno dell’acceleratore, il numero di neutroni emessi per protone incidente e la loro distribuzione spettrale, l’attivazione dei componenti del ciclotrone e delle pareti del bunker, l’attivazione dell’aria interna al bunker ed in particolare la produzione di 41Ar, la resa a saturazione di radionuclidi d’interesse in medicina nucleare. Le simulazioni sono state validate, in termini di parametri fisici e di trasporto da utilizzare nel range energetico caratteristico delle applicazioni mediche, con una serie di misure sperimentali. Il modello MC validato è stato quindi applicato ad altri casi pratici quali lo studio di fattibilità della produzione diretta in ciclotrone di 99mTc, la produzione di radionuclidi ad uso medico con il ciclotrone TR13 (13 MeV) installato presso il centro di ricerca TRIUMF (Vancouver, CA), la progettazione completa del nuovo centro PET dell’ospedale “Sacro Cuore-Don Calabria” di Negrar (Verona, IT), incluso il ciclotrone ACSI TR19 (19 MeV), lo studio del campo di dose nell’intorno di un sistema di selezione dell’energia (degrader) di un ciclotrone per terapia, la progettazione di specifiche “porte a tappo” per un sito di produzione di radionuclidi ad uso medico, in cui verrà installato un ciclotrone da 70 MeV e sei diverse beam line, e per il parziale decommissioning di un centro PET e la sostituzione di un ciclotrone Scanditronix MC17 (17 MeV), attualmente installato, con una nuova unità TR19.

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Libri sul tema "68T07":

Spanellis, Agnessa, e J. Tuomas Harviainen, a cura di. Transforming Society and Organizations through Gamification. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-68207-1.

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Güler, Osman. Foundations of Optimization. New York, NY: Springer New York, 2010. http://dx.doi.org/10.1007/978-0-387-68407-9.

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Karampekios, Nikolaos, Iraklis Oikonomou e Elias G. Carayannis, a cura di. The Emergence of EU Defense Research Policy. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-68807-7.

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Knauth, Philippe, e Joop Schoonman, a cura di. Nanocomposites. Boston, MA: Springer US, 2008. http://dx.doi.org/10.1007/978-0-387-68907-4.

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Koch, Wijnand F. R. M., e Enrico Marani. Early Development of the Human Pelvic Diaphragm. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-68007-9.

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Ogawa, Tohru, Koryo Miura, Takashi Masunari e Dénes Nagy, a cura di. Katachi ∪ Symmetry. Tokyo: Springer Japan, 1996. http://dx.doi.org/10.1007/978-4-431-68407-7.

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Kunii, Tosiyasu L., e Yoshihisa Shinagawa, a cura di. Modern Geometric Computing for Visualization. Tokyo: Springer Japan, 1992. http://dx.doi.org/10.1007/978-4-431-68207-3.

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Harju, Jarmo, Geert Heijenk, Peter Langendörfer e Vasilios A. Siris, a cura di. Wired/Wireless Internet Communications. Berlin, Heidelberg: Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-68807-5.

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Hardy, Anne, Andy Bennett e Brady Robards, a cura di. Neo-Tribes. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-68207-5.

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Puyol Anton, Esther, Mihaela Pop, Maxime Sermesant, Victor Campello, Alain Lalande, Karim Lekadir, Avan Suinesiaputra, Oscar Camara e Alistair Young, a cura di. Statistical Atlases and Computational Models of the Heart. M&Ms and EMIDEC Challenges. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-68107-4.

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Capitoli di libri sul tema "68T07":

Ogawa, Tohru, Kôdi Husimi, Koryo Miura, Takashi Masunari e Dénes Nagy. "Introduction:The Concept of the Symposium". In Katachi ∪ Symmetry, 3–6. Tokyo: Springer Japan, 1996. http://dx.doi.org/10.1007/978-4-431-68407-7_1.

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Lyons, Phyllis I. "Women’s Narratives and Anti-narratives: Re-reading Japanese Traditions". In Katachi ∪ Symmetry, 109–16. Tokyo: Springer Japan, 1996. http://dx.doi.org/10.1007/978-4-431-68407-7_10.

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Arlandi, Gian Franco. "Symmetry-Canon: Music and Mathematics, Painting and Graphicization “Perpetuum Mobile”". In Katachi ∪ Symmetry, 117–24. Tokyo: Springer Japan, 1996. http://dx.doi.org/10.1007/978-4-431-68407-7_11.

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Weaire, D. "A search for structure — in the footsteps of Cyril Stanley Smith". In Katachi ∪ Symmetry, 125–34. Tokyo: Springer Japan, 1996. http://dx.doi.org/10.1007/978-4-431-68407-7_12.

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Miura, Koryo. "A Note on the Cocoon Curve". In Katachi ∪ Symmetry, 135–42. Tokyo: Springer Japan, 1996. http://dx.doi.org/10.1007/978-4-431-68407-7_13.

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Takaki, Ryuji, Yoji Arai e Masaki Utumi. "How to Promote the Morphological Sciences". In Katachi ∪ Symmetry, 143–54. Tokyo: Springer Japan, 1996. http://dx.doi.org/10.1007/978-4-431-68407-7_14.

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Kose, Katsumi. "3D NMR Imaging of Foam Structures". In Katachi ∪ Symmetry, 157–64. Tokyo: Springer Japan, 1996. http://dx.doi.org/10.1007/978-4-431-68407-7_15.

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Ichikawa, So, Hiroshi Kawamura e Akinori Tani. "Automatic Frame Formation by Genetic Rules". In Katachi ∪ Symmetry, 165–72. Tokyo: Springer Japan, 1996. http://dx.doi.org/10.1007/978-4-431-68407-7_16.

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Ishihara, Shozo. "Origami-Model of Crystal Structure, I. Rutile, Marcasite and Cubic Close Packing Structures". In Katachi ∪ Symmetry, 173–78. Tokyo: Springer Japan, 1996. http://dx.doi.org/10.1007/978-4-431-68407-7_17.

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Burt, Michael, e Ami Korren. "Periodic Hyperbolic Surfaces and Subdivision of 3-Space". In Katachi ∪ Symmetry, 179–83. Tokyo: Springer Japan, 1996. http://dx.doi.org/10.1007/978-4-431-68407-7_18.

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Atti di convegni sul tema "68T07":

SPIE-IS&T, Proceedings of. "Front Matter: Volume 6807". In Electronic Imaging 2008, a cura di Reiner Eschbach, Gabriel G. Marcu e Shoji Tominaga. SPIE, 2008. http://dx.doi.org/10.1117/12.787144.

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Shiota, Daichi, Naoki Hirokawa e Kohei Hisamochi. "Sensitivity Analysis on the Detailed Plant Operational State for Shutdown PSA". In 2017 25th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/icone25-68007.

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Abstract (sommario):

Probabilistic Safety Assessment (PSA) for the plant shutdown state of nuclear power plants is performed based on Plant Operational States (POSs) which depend on periodic inspections and maintenance. For a typical BWR, the shutdown POSs are defined in consideration of various plant conditions: boundaries of Primary Containment Vessel (PCV)/ Reactor Pressure Vessel (RPV), reactor water level, availability of mitigation systems and temperature/pressure of primary coolant. The shutdown POSs for a BWR plant may involve conservative simplifications. One of the simplifications is treatment of PCV/RPV heads conditions during the POSs involving their opening/closing operations. Usually the PCV/RPV heads conditions are assumed to be the most onerous in terms of accident sequence modelling on both Level 1 and 2 PSA. In this study, a sensitivity analysis is performed to understand the significance of the conservatism by refining the POSs which involve opening/closing operations of PCV/RPV heads.

Brun, Klaus, Rainer Kurz e Harold R. Simmons. "Aerodynamic Instability and Life Limiting Effects of Inlet and Interstage Water Injection Into Gas Turbines". In ASME Turbo Expo 2005: Power for Land, Sea, and Air. ASMEDC, 2005. http://dx.doi.org/10.1115/gt2005-68007.

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Gas turbine power enhancement technologies such as inlet fogging, interstage water injection, saturation cooling, inlet chillers, and combustor injection are being employed by end-users without evaluating the potentially negative effects these devices may have on the operational integrity of the gas turbine. Particularly, the effect of these add-on devices, off-design operating conditions, non-standard fuels, and compressor degradation/fouling on the gas turbine’s axial compressor surge margin and aerodynamic stability is often overlooked. Nonetheless, compressor aerodynamic instabilities caused by these factors can be directly linked to blade high-cycle fatigue and subsequent catastrophic gas turbine failure; i.e., a careful analysis should always proceed the application of power enhancement devices, especially if the gas turbine is operated at extreme conditions, uses older internal parts that are degraded and weakened, or uses non-standard fuels. This paper discusses a simplified method to evaluate the principal factors that affect the aerodynamic stability of a single shaft gas turbine’s axial compressor. As an example, the method is applied to a frame type gas turbine and results are presented. These results show that inlet cooling alone will not cause gas turbine aerodynamic instabilities but that it can be a contributing factor if for other reasons the machine’s surge margin is already slim. The approach described herein can be employed to identify high-risk applications and bound the gas turbine operating regions to limit the risk of blade life reducing aerodynamic instability and potential catastrophic failure.

Cunha, F. J., M. T. Dahmer e M. K. Chyu. "Thermal-Mechanical Life Prediction System for Anisotropic Turbine Components". In ASME Turbo Expo 2005: Power for Land, Sea, and Air. ASMEDC, 2005. http://dx.doi.org/10.1115/gt2005-68107.

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Modern gas turbine engines provide large amounts of thrust and withstand severe thermal-mechanical conditions during the load and mission operations characterized by cyclic transients and long dwell times. All these operational factors can be detrimental to the service life of turbine components and need careful consideration. Engine components subject to the harshest environments are turbine high-pressure vanes and rotating blades. Therefore, it is necessary to develop a turbine component three-dimensional life prediction system, which accounts for mission transients, anisotropic material properties, and multi-axial, thermal-mechanical, strain and stress fields. This paper presents a complete life prediction approach for either commercial missions or more complex military missions, which includes evaluation of component transient metal temperatures, resolved maximum shear stresses and strains, and subsequent component life capability for fatigue and creep damage. The procedure is based on considering all of the time steps in the mission profile by developing a series of extreme points that envelop every point in the mission. Creep damage is factored into the component capability by debiting thermal-mechanical accumulated cycles using the traditional Miner’s rule for accumulated fatigue and creep damage. Application of this methodology is illustrated to the design of the NASA Energy Efficient Engine (E3) high pressure turbine blade with operational load shakedown leading to stress relaxation on the external hot surfaces and potential state of overstress in the inner cold rib regions of the airfoil.

Li, Haipeng, Houxing Liu e Zhengping Zou. "Analysis of Flow Mechanism in 2-D Compressor Cascade With Splitter". In ASME Turbo Expo 2005: Power for Land, Sea, and Air. ASMEDC, 2005. http://dx.doi.org/10.1115/gt2005-68207.

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Through numeric simulation of flow in different turning angle cascades with different splitters, the flow mechanism in 2-D compressor cascade with splitter is particularly analyzed in this paper. The study result shows that the splitter can influence the flow field in cascade intensively; the positive attack angle on the splitter leading is an important cause that brings about cascade loss growth. If the splitter chord is short, the presence of splitter has little influence on the cascade inlet flow field, but has intense influence on the outlet flow field. by the modification of splitter, the pressure distribution of cascade can be greatly changed, the separation flow in the cascade can be restrained effectively, and the performance of splitter cascade can be effectively improved. On the condition of maintaining a high mass flux, the presence of splitter can greatly raise the loading of cascade.

Rousseau, Guy, Honggang Zhou e Christian Hurtevent. "Calcium Carbonate and Naphthenate Mixed Scale in Deep-Offshore Fields". In International Symposium on Oilfield Scale. Society of Petroleum Engineers, 2001. http://dx.doi.org/10.2118/68307-ms.

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Babadagli, T., A. Al-Bemani e K. Al-Shammakhi. "Assessment of Permeability Distribution Through Well Test Analysis". In SPE Asia Pacific Oil and Gas Conference and Exhibition. Society of Petroleum Engineers, 2001. http://dx.doi.org/10.2118/68707-ms.

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Hang, Ruan, Yaosheng Chen, Yanjing Liu, Liping Jiang e Richard O. Claus. "Optical Fiber Logging System for Multiphase Profile Analysis in Steam Injection Wells". In SPE Western Regional Meeting. Society of Petroleum Engineers, 2001. http://dx.doi.org/10.2118/68807-ms.

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Venkatesan, Vinoth, e David J. Cappelleri. "Development of an Automated Flexible Micro-Soldering Station". In ASME 2017 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/detc2017-68107.

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This paper describes a flexible automated soldering system to handle meso and micro-scale soldering operations. The system is guided by a vision system and consists of two micromanipulators, an XY motion stage, and a solder pen with an automatic solder feeder. One micromanipulator is used to hold and position the solder pen and attached solder feeder in the workspace; the second micromanipulator is used to hold and position the wire(s) to be soldered on to a printed circuit board (PCB). After hardware and vision system calibration, the user can select point(s) from a real-time image of the workspace for the desired soldering operations to occur. The soldering process is then carried out automatically two different ways: 1. By servoing the XY motion stage with the PCB to position it under the soldering manipulator followed by the solder operation; or 2. By moving the soldering manipulator to the target soldering sites on the PCB that remain stationary. Experimental results for both scenarios are presented and discussed for soldering single and multiple wires at a time. This system provides a flexible manufacturing solution for operations that demand custom micro-soldering operations in a 2D plane.

Zhou, Yuqing, e Kazuhiro Saitou. "Gradient-Based Multi-Component Topology Optimization for Additive Manufacturing (MTO-A)". In ASME 2017 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/detc2017-68207.

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Topology optimization for additive manufacturing has been limited to the component-level designs with the component size smaller than the printer’s build volume. To enable the design of structures larger than the printer’s build volume, this paper presents a gradient-based multi-component topology optimization framework for structures assembled from components built by additive manufacturing. Constraints on component geometry for additive manufacturing are incorporated in the density-based topology optimization, with additional design variables specifying fractional component membership. For each component, constraints on build size, enclosed voids, overhangs, and the minimum length scale are imposed during the simultaneous optimization of overall base topology and component partitioning. The preliminary result on a minimum compliance structure shows promising advantages over the conventional monolithic topology optimization. Manufacturing constraints previously applied to monolithic topology optimization gain new interpretations when applied to multi-component assemblies, which can unlock richer design space for topology exploration.