Relevant bibliographies by topics / J750

Academic literature on the topic 'J750'

Author: Grafiati
Published: 10 December 2022
Last updated: 28 January 2023

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Journal articles on the topic "J750"

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Carter, Jane C., James Broadbent, Ella C. Murphy, Bernard Guy, Katherine E. Baguley, and Jeremy Young. "A three-dimensional (3D) printed paediatric trachea for airway management training." Anaesthesia and Intensive Care 48, no. 3 (May 2020): 243–45. http://dx.doi.org/10.1177/0310057x20925827.

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There is a deficit of commercially available paediatric airway models for anaesthesia airway management training, particularly for infant front-of-neck access and customised airway planning. Acknowledging this, we created a three-dimensional printed prototype for an affordable, high-fidelity training device, incorporating realistic tactile feedback, reproducibility and potential for modification for specific patient pathologies. Our model, created on a Stratasys Polyjet J750™ (Rehovot, Israel) printer, is a novel and useful educational tool in paediatric airway management, and we are pleased to share access to this resource with readers. Our work adds credence to three-dimensional printing as an accessible, reproducible and pluripotent technology in clinical anaesthesia.
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Heo, Hyeonu, Yuqi Jin, David Yang, Christopher Wier, Aaron Minard, Narendra B. Dahotre, and Arup Neogi. "Manufacturing and Characterization of Hybrid Bulk Voxelated Biomaterials Printed by Digital Anatomy 3D Printing." Polymers 13, no. 1 (December 30, 2020): 123. http://dx.doi.org/10.3390/polym13010123.

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The advent of 3D digital printers has led to the evolution of realistic anatomical organ shaped structures that are being currently used as experimental models for rehearsing and preparing complex surgical procedures by clinicians. However, the actual material properties are still far from being ideal, which necessitates the need to develop new materials and processing techniques for the next generation of 3D printers optimized for clinical applications. Recently, the voxelated soft matter technique has been introduced to provide a much broader range of materials and a profile much more like the actual organ that can be designed and fabricated voxel by voxel with high precision. For the practical applications of 3D voxelated materials, it is crucial to develop the novel high precision material manufacturing and characterization technique to control the mechanical properties that can be difficult using the conventional methods due to the complexity and the size of the combination of materials. Here we propose the non-destructive ultrasound effective density and bulk modulus imaging to evaluate 3D voxelated materials printed by J750 Digital Anatomy 3D Printer of Stratasys. Our method provides the design map of voxelated materials and substantially broadens the applications of 3D digital printing in the clinical research area.
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Ravi, Maddaly, Aishwarya Pargaonkar, Anuradha Ramesh, Gatika Agrawal, Jennifer Sally, SriVijayaGanapathy Srinivasan, and Abhishek Kalra. "Three-dimensional prints from 3-dimensional cell culture aggregates of human cancer cell lines." Sri Ramachandra Journal of Health Sciences 1 (December 24, 2021): 10–15. http://dx.doi.org/10.25259/srjhs_5_2021.

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Objectives: Three-dimensional (3D) printing has gained significance for human health-care applications in recent years. Some of these applications include obtaining models which mimic anatomical parts. One other parallel development in the biological research area is the development of 3D cell cultures. Such cultures are now becoming the material of choice for in vitro experiments, fast replacing the traditional adherent/monolayer 2D culture approaches. We present here, a method to obtain 3D prints of 3D aggregates of three human cancer cell lines. Such 3D prints can be useful models to understand solid tumor morphologies and also as effective teaching models. Materials and Methods: Photomicrographs of the 3D aggregates of the human cancer cell lines SiHa, MCF-7, and A549 (human cervical cancer, breast cancer, and non-small cell lung cancer cell lines, respectively) were obtained using inverted phase contrast microscopy. Conversion of normal jpeg images into 3D files was performed using the lithophane method and CAD files obtained. The CAD files thus generated were used to print the objects using the Stratasys Polyjet J750 3D Printer. Results: We could obtain 3D prints of SiHa, MCF-7, and A549 (human cervical cancer, breast cancer, and non-small cell lung cancer cell lines, respectively) 3D aggregates/spheroids. Conclusion: It is hoped that this approach will be useful for studying solid tumor morphologies in finer details. Furthermore, other benefits of such 3D prints would be in them being excellent models for teaching purposes.
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Ulu, Furkan, Ravi Pratap Singh Tomar, and Ram Mohan. "Processing and mechanical behavior of rigid and flexible material composite systems formed via voxel digital design in polyjet additive manufacturing." Rapid Prototyping Journal 27, no. 3 (February 19, 2021): 617–26. http://dx.doi.org/10.1108/rpj-06-2020-0119.

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Purpose PolyJet technology allows printing complex multi-material composite configurations using Voxel digital designs' capability, thus allowing rapid prototyping of 3D printed structural parts. This paper aims to investigate the processing and mechanical characteristics of composite material configurations formed from soft and hard materials with different distributions and sizes via voxel digital print design. Design/methodology/approach Voxels are extruded representations of pixels and represent different material information similar to each pixel representing colors in digital images. Each geometric region of a digitally designed part represented by a voxel can be printed with a different material. Multi-material composite part configurations were formed and rapidly prototyped using a PolyJet printer Stratasys J750. A design of experiments composite part configuration of a soft material (Tango Plus) within a hard material matrix (Vero Black) was studied. Composite structures with different hard and soft material distributions, but at the same volume fractions of hard and soft materials, were rapidly prototyped via PolyJet printing through developed Voxel digital printing designs. The tensile behavior of these formed composite material configurations was studied. Findings Processing and mechanical behavior characteristics depend on materials in different regions and their distributions. Tensile characterization obtained the fracture energy, tensile strength, modulus and failure strength of different hard-soft composite systems. Mechanical properties and behavior of all different composite material systems are compared. Practical implications Tensile characteristics correlate to digital voxel designs that play a critical role in additive manufacturing, in addition to the formed material composition and distributions. Originality/value Results clearly indicate that multi-material composite systems with various tensile mechanical properties could be created using voxel printing by engineering the design of material distributions, and sizes. The important parameters such as inclusion size and distribution can easily be controlled within all slices via voxel digital designs in PolyJet printing. Therefore, engineers and designers can manipulate entire morphology and material at each voxel level, and different prototype morphologies can be created with the same voxel digital design. In addition, difficulties from AM process with voxel printing for such material designs is addressed, and effective digital solutions were used for successful prototypes. Some of these difficulties are extra support material or printing the part with different dimension than it designed to achieve the final part dimension fidelity. Present work addressed and resolved such issued and provided cyber based software solutions using CAD and voxel discretization. All these increase broad adaptability of PolyJet AM in industry for prototyping and end-use.
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NAKADA, Koji, Nobuo AOYAMA, Manabu NAKAGAWA, Naruo KAWASAKI, Daisuke SHIRASAKA, Hiroaki ZAI, Yoshihisa URITA, et al. "at the 44th Annual Meeting of the Japanese Smooth Muscle Society." Journal of smooth muscle research Japanese section 6, no. 3 (2002): J75—J91. http://dx.doi.org/10.1540/heikatsukinzashi1997.6.j75.

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Ghosh, Jayati. "The Interlinkages Between Paid and Unpaid Labour: A Homage to Krishna Bharadwaj." Indian Economic Journal 69, no. 2 (June 2021): 338–51. http://dx.doi.org/10.1177/00194662211019835.

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In this article, I attempt to extend Krishna Bharadwaj’s insight on interlinked rural markets to the analysis of the interlinkages between paid and unpaid economic activities; in other words, between work and employment. Specifically, I argue that the gendered division of labour in India creates much greater involvement in unpaid labour for women, which in turn has direct and pervasive implications for their involvement in paid employment. Indeed, the interlinkage between the two is so profound that it is impossible to understand trends in one without assessing trends in the other. JEL Codes: J210, J220, J46, J710
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Chen, Shenghu, Mingjiu Zhao, Hao Liang, and Lijian Rong. "Microstructure and Mechanical Properties of Electron Beam Welded Alloy J75." Journal of Materials Science & Technology 30, no. 5 (May 2014): 493–98. http://dx.doi.org/10.1016/j.jmst.2013.11.011.

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Lin, Sheng H., and Yu W. Chang. "Solvent Recovery by Batch Fractionation from Toxic Laboratory Liquid Wastes." Journal of Environmental Systems 22, no. 1 (January 1, 1992): 81–89. http://dx.doi.org/10.2190/y1a6-j7v0-jb2p-3mql.

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Li, Virginia C. "Health Behavior Research toward Health for All: Issues and Schema." International Quarterly of Community Health Education 11, no. 1 (April 1990): 43–51. http://dx.doi.org/10.2190/j7m0-g0f6-ulhf-l1m4.

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Nagendra, Sanjai, Howard Meyerson, Glenda Skallerud, and Nancy Rosenthal. "Leukemias Resembling Acute Promyelocytic Leukemia, Microgranular Variant." American Journal of Clinical Pathology 117, no. 4 (April 2002): 651–57. http://dx.doi.org/10.1309/kd1g-nur1-j75p-hq28.

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Dissertations / Theses on the topic "J750"

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Vocílka, Ondřej. "Využití aditivní technologie pro návrh a výrobu prototypu oční protézy." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2019. http://www.nusl.cz/ntk/nusl-402543.

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This diploma thesis has an aim to fabricate a prototype of esthetical prosthesis using solely Rapid Prototyping aditive technology and to explore the possibility of using commercially available biocompatible materials. In the theoretical part, a description of types of ocular prosthesis types with the focus being on esthetic ocular prosthesis. is given. The practical part of the work offers a comprehensive view on the whole process of the prototype fabrication. It provides a description of creating the 3D model by scanning, geometrical adjustments of the model, textures mapping, print optimization and the printing itself. The closing part of the thesis consists of a discussing focused on an evaluation of the fabricated prototype followed by technical-economical assesment, a proposal of next steps, and a proposal of current usage of the created method.
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Johnston, Alan. "Chromospheric effects on global solar oscillations." Thesis, University of St Andrews, 1994. http://hdl.handle.net/10023/14173.

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A study has been made of the global solar oscillations known as p-modes. The Sun is represented by a plane-parallel stratified plasma. Solutions are found to the magnetohydrodynamic equations of motion in such a plasma, and normal mode frequencies are calculated by applying realistic boundary conditions to these solutions. The normal modes model solar p-modes. For a model consisting of an isothermal chromosphere with a uniform horizontal magnetic field, it is demonstrated that modes may form at all frequencies. Consideration is also given to the related problem of vertical propagation of fast magnetoacoustic waves in a uniform magnetic field. An investigation is carried out into the observed solar cycle variations in the frequencies of p-modes in the classical, low frequency range (1-5 mHz). A possible mechanism for the observed "turnover" effect is discussed. Through the use of a modified Bohr- Sommerfeld condition, the effect of a non-isothermal chromosphere is also considered, and a physical description of chromospheric effects on p-mode frequencies is given. The formation of modes above the acoustic cut-off frequency is investigated. The theoretically calcidated forms of frequency shift curves in this high frequency range agree well with observations. The special case of modes of degree zero is also briefly examined. A mathematical formulation for such modes is constructed, and frequency shifts are determined for a simple chromospheric model atmosphere.
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Joly, David. "Découverte et caractérisation des petites protéines sécrétées chez les rouilles foliaires du peuplier (melampsora spp.)." Thesis, Université Laval, 2010. http://www.theses.ulaval.ca/2010/27676/27676.pdf.

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Les rouilles des feuilles du peuplier appartenant au genre Melampsora sont considérées comme la maladie la plus importante du peuplier au niveau mondial. Lors de l’infection, les espèces appartenant au genre Melampsora sécrètent une panoplie de protéines effectrices afin de reprogrammer leur hôte dans un état de susceptibilité. Par contre, la reconnaissance par le système immunitaire végétal de certaines protéines effectrices, dites protéines d’avirulence, induit la réponse d’hypersensibilité, une forme de mort cellulaire programmée. Selon les modèles courants de coévolution entre un agent pathogène et son hôte, certains de ces effecteurs, en particulier ceux arborant une fonction d’avirulence, devraient présenter des signatures moléculaires témoignant d’une évolution accélérée. Dans cette thèse, les caractéristiques décrites ci-dessus ont été utilisées afin d’identifier des protéines impliquées au niveau de la pathogénicité des rouilles des feuilles du peuplier, visant comme objectif spécifique l’identification d’effecteurs potentiels. La première partie de cette thèse rapporte le développement d’une approche à multiple facettes afin de tirer profit des banques d’EST déjà disponibles, qui inclut la prédiction de protéines sécrétées à l’aide d’outils informatiques, la génomique comparative à des niveaux tant intra- qu’inter-spécifiques, ainsi que des tests de sélection positive. Il s’est avéré que les protéines sécrétées semblent soumises de façon plus importante à une évolution accélérée, et que la plupart de ces protéines sous pression de sélection positive possède un contenu riche en résidus Cys et sans similarité de séquence dans les banques de données internationales. La seconde partie de cette thèse présente les résultats d’un effort concerté visant la caractérisation du sécrétome entier de M. larici-populina en utilisant une annotation experte, la recherche de gènes sous pression de sélection positive, et différentes approches d’analyse des transcrits. Une portion élevée du sécrétome s’est avérée sous pression de sélection positive, et les caractéristiques énumérées ci-haut ont été observées de nouveau (protéines riches en Cys sans similarité de séquence). Parmi ces protéines, la majorité de celles possédant des évidences d’expression se sont avérées être exprimées spécifiquement in planta, avec une concentration dans la portion C-terminale des sites sous pression de sélection positive. L’immunolocalisation de certains candidats a permis de détecter la présence de ces protéines au niveau de l’haustorium, une première étape vers la caractérisation fonctionnelle de ces candidats.
Poplar leaf rusts belonging to the genus Melampsora are considered as the world’s most important disease of poplars. During infection, Melampsora species secrete a diverse set of effector proteins that aim to reprogram the host into a susceptible state. However, recognition of particular effector proteins by the plant immune system, so-called avirulence proteins, leads to induction of the hypersensitve response, a form of programmed cell death. Based on prevalent models of plant–pathogen coevolution, some of these effectors, notably those with avirulence functions, are predicted to exhibit molecular signatures of accelerated evolution. In this thesis, features described above were used to identify the pathogenicity determinants of poplar leaf rusts with the specific aim of identifying candidate effector proteins. The first part of this thesis includes the development of a multifaceted approach to take advantage of available EST libraries, and included computational prediction of secreted proteins, intra- and interspecific comparative genomics, and testing for the presence of positive selection. Accelerated evolution was found to act more importantly on secreted proteins, and most of those proteins under positive selection were shown to harbour a high number of Cys residues and to share no homology in international databases. The second part of this thesis presents the results of a collaborative effort to characterize the entire secretome of M. larici-populina using expert annotation, screening for positive selection, and transcript profiling approaches. A significant part of the secretome was found to be under positive selection, and commonalities described before were observed again (Cys-rich proteins with no homology in international databases). Most of those with transcript evidence were found to be specifically expressed in planta, and positively selected sites were concentrated in the C-terminal region, consistent with an effector function. As a first step toward a functional characterization, immunolocalization of selected candidates has revealed specific labeling of some proteins in the haustoria periphery.
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Joly, Éric. "L'âme, l'éternité et le temps dans les commentaires médiévaux du Livre des causes." Doctoral thesis, Université Laval, 2003. http://hdl.handle.net/20.500.11794/62290.

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Ouvrage anonyme arabe d’origine néoplatonicienne, ie Livre des Causes fut, jusqu’au commentaire de saint Thomas (en 1272), attribué à Aristote. Par son contenu et le prestige d’Aristote au XIIIe siècle, son influence fut considérable. Bien que sa source première soit les Eléments de théologie de Proclus, l’auteur nous présente un univers intelligible dont la structure dérive des hypostases plotiniennes : la Cause première, l’Intelligence et l'âme noble. Le but de notre thèse est d’étudier la réception de ces principes par le biais de commentaires médiévaux dont les auteurs (Roger Bacon et le pseudo-Hemri de Gand) considèrent le Livre des Causes comme authentiquement aristotélicien. Ces commentateurs nous offrent un précieux témoignage sur la rencontre entre F aristotélisme, le néoplatonisme et le christianisme. Notre travail se situant au croisement de plusieurs traditions philosophiques importantes, nous avons utilisé un angle historique en accordant autant d’importance au néoplatonisme, au Livre des Causes et aux commentateurs médiévaux. Compte tenu des nombreux points d’accord entre le De Cousis et les commentateurs médiévaux, sur la Cause première, nous avons focalisé notre attention sur l’Intelligence et l’âme noble qui sont des thèmes privilégiés de la confrontation entre ces différents auteurs. Ainsi, les caractéristiques de l’Intelligence (l’éternité, la simplicité, l’infinité et son rôle de médiatrice dans la création) sont fermement refusées par les commentateurs médiévaux. Par conséquent, l’Intelligence du Livre des Causes va être transformée en un intellect agent séparé de type avicennien. Seule sa fonction inteilective va être conservée. De son côté, l’âme noble possède des caractéristiques et accomplit des fonctions que l’on ne saurait attribuer à l’âme humaine (notamment la création du temps et du mouvement du Ciel). Pourtant nos commentateurs s’efforcent d’interpréter le Livre des Causes dans le cadre de leur psychologie aristotélicienne, qui n’admet pour l’âme que la fonction d’animation d’un vivant individuel. L’âme noble va ainsi être adaptée pour coïncider avec l’âme humaine. L’Intelligence et l’âme noble subissent donc une importante réduction de leurs fonctions et de leur place dans la hiérarchie. Par cela, nous pensons possible de conclure que les commentateurs accueillaient favorablement certaines thèses néoplatoniciennes, mais refusaient les principes de l’univers pîotinien.
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Jollez, Pierre-Antoine. "Effet de la nutrition minérale azotée sur le gain en biomasse de l'if du canada et sur le contenu en taxanes." Master's thesis, Université Laval, 2008. http://hdl.handle.net/20.500.11794/20260.

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Dans le cadre d'un vaste programme de domestication de l'if du Canada (Taxus canadensis Marsh.) à des fins de production de taxanes, de jeunes plants en première, deuxième ou troisième années de culture en contenants ont été soumis à différentes sources d'azote (nitrate d'ammonium, nitrate de calcium, nitrate de sodium, sulfate d'ammonium et urée), appliquées à différentes doses, et à divers pH du substrat pour étudier leur influence sur la croissance des plants, sur la teneur en éléments minéraux de leurs tissus et sur leur teneur en taxanes. Tous les autres éléments essentiels ont été ajoutés en quantités et en proportions normalement favorables à la croissance des jeunes conifères forestiers. Les résultats indiquent que l'if du Canada est fortement affecté par le nitrate de sodium, mais répond favorablement aux autres sources azotées dont la concentration en azote se situe entre 100 et 400 ppm pour les plants en première et deuxième année de culture. Une concentration de 450 ppm de N est très favorable à la croissance de plants en troisième armée de culture. Tout traitement fertilisant favorable au bon développement des plants n'a eu aucune incidence sur leur teneur en taxanes. Une fertilisation adéquate permet donc d'augmenter la capacité de récolte de principe actif.
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Jolicoeur, Nancy. "La télésérie La Vie, La Vie. Un moment marquant dans l'évolution formelle des fictions télévisuelles québécoises." Thesis, Université Laval, 2008. http://www.theses.ulaval.ca/2008/25871/25871.pdf.

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Joly, Diane. "(En)quête de patrimoine au Canada français 1882-1930 : genèse du concept et du processus de patrimonialisation." Doctoral thesis, Université Laval, 2012. http://hdl.handle.net/20.500.11794/25965.

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Cette étude porte sur l’émergence de la notion de patrimoine au Québec entre 1882 et 1930. En premier lieu, elle démontre que, dès leurs premiers textes, des chercheurs, en quête de patrimoine, ébauchent un système de valeurs ancrées dans la culture, et à des fins patrimoniales. Ensuite, elle cerne les effets de l’instrumentalisation du patrimoine. La recherche est structurée selon trois orientations : définir la notion de patrimoine et sa mouvance, cerner les mécanismes de la patrimonialisation et comprendre la contribution des acteurs favorisant l’émergence du concept au Canada français. Les objets analysés se regroupent dans les catégories monuments bâtis et folklore telle qu’elles se définissent pendant la période. La recherche fait appel à des sources se partageant entre les manuscrits et les documents publiés. Elles sont utilisées dans deux aires d’études : celle des acteurs et celle du discours. L’étude, présentée dans une perspective diachronique et synchronique, inscrit les acteurs, et leur conception du patrimoine, dans leur époque, sous des angles variés tandis que l’analyse du discours, produit sur les objets, révèle les valeurs patrimoniales et idéologiques sous-jacentes. Les principaux acteurs identifiés sont William Douw Lighthall, Victor Morin et Édouard-Zotique Massicotte. La recherche comble un vide historiographique. De fait, il existe très peu d’études sur l’éveil de la conscience patrimoniale au Québec et aucune sur la contribution des acteurs et des discours révélant les premières identités patrimoniales au Canada français. La recherche se distingue aussi en incluant l’apport des acteurs anglophones et en situant leurs idées dans l’histoire du patrimoine. Pour ce qui est de la discipline de l ’ethnologie, cette étude retrace l’origine anglaise des idées sur le folklore, situe la contribution des chapitres montréalais de l'American Folklore Society et présente un nouvel éclairage sur l’apport appréciable d ’Édouard-Zotique Massicotte à l’histoire de la discipline et du patrimoine.
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Jolicoeur, Richard. "Alan Wilson Watts : spiritualité orientale en Occident, un parcours. Première période: 1935-1958." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/NQ51260.pdf.

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Jolicoeur, Rhony. "Effets de l'abandon scolaire comme indicateur de l'exclusion scolaire dans les pays en développement : le cas d'Haïti." Thesis, Université Laval, 2008. http://www.theses.ulaval.ca/2008/25459/25459.pdf.

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Johnson, Mark. "Seditious theology : imaginative re-identification, punk and the ministry of Jesus." Thesis, University of St Andrews, 2011. http://hdl.handle.net/10023/2038.

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The following thesis investigates the British punk movement of the mid-late seventies and suggests that, by performing acts of imaginative re-identification, we may gain greater insights into both the phenomenon of punk and aspects of Jesus’ life, ministry, and teaching despite their axiomatic and sometimes problematic differences. To do this we explore the power of the sartorial creations that the movement adopted and the way in which they conveyed an oppositional protest message and stance. We explore punk graphics and the way in which they could offer a targeted critique of the nation. We look at punk performances and how they confrontationally engaged with their audiences and what they wanted to elicit in return. We reflect on women in punk, punk in Northern Ireland and the relationship between punk and the black community and the degree to which punk exhibited a counter-cultural attitude to relationships. Concluding our look at punk we investigate how society, the authorities and commerce reacted to the movement, before investigating punk as a trans-historical essence. Having explored punk and established imaginative connections we then revisit aspects of Jesus’ life and consider him as a subversive who negated some of the national symbols of Israel, collided with Jewish national authority and reversed many of the nation’s perspectives. We look at the more confrontational nature of Jesus, his use of symbolic physical statements and his interaction with women, teaching on enemies and the way he related to the outcast. We then conclude by showing the degree to which the present-day church has been absorbed into the surrounding culture and explore two instances in post-war theology where there has been a recovery of the more seditious pattern within Jesus’ life before seeing whether there is anything that the church may learn from imaginatively identifying with punk.
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Conference papers on the topic "J750"

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Wei, Xingjian, Abhinav Bhardwaj, Chin-Cheng Shih, Li Zeng, Bruce Tai, and Zhijian Pei. "Experimental Investigation of Stratasys J750 PolyJet Printer: Effects of Orientation and Layer Thickness on Mechanical Properties." In ASME 2019 14th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/msec2019-2717.

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Abstract The J750 PolyJet printer is the newest model of full-color, multi-material 3D printer from Stratasys. Currently, limited information is available about the effects of control factors on mechanical properties such as elastic modulus, ultimate tensile strength, and elongation. In this study, the effects of two control factors, orientation and layer thickness, on mechanical properties of samples printed by the Stratasys J750 printer are investigated. The results show that orientation significantly affects mechanical properties. Specifically, samples printed with its axial direction parallel to the direction of printing have the highest elastic modulus, and elongation, whereas samples printed with its axial direction perpendicular to the direction of printing have the highest ultimate tensile strength. Also, layer thickness makes a significant difference for mechanical properties, and larger layer thickness leads to higher ultimate tensile strength and elongation. These results would be valuable to researchers and practitioners who use J750.
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Wang, Han, Zhao Zhao, Rongxin Xing, and Jie Li. "Calibration method of teradyne J750 SOC test system." In Instruments (ICEMI). IEEE, 2009. http://dx.doi.org/10.1109/icemi.2009.5274317.

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Wei, Xingjian, Abhinav Bhardwaj, Li Zeng, and Zhijian Pei. "Experimental Investigation of Stratasys J750 PolyJet Printer: Effects of Finish Type and Shore Hardness on Surface Roughness." In ASME 2019 14th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/msec2019-2998.

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Abstract The J750 PolyJet printer is the newest model of full-color and multi-material 3D printer from Stratasys. Currently, limited information is available about the effects of control factors on surface roughness of parts printed by this printer. In this study, the effects of two control factors, finish type and Shore hardness, on surface roughness are investigated. The results suggest that both control factors significantly affect surface roughness. Specifically, samples printed with glossy finish have lower surface roughness than those with matte finish, and larger value of Shore hardness leads to lower surface roughness. These results would be valuable to researchers and practitioners who use the J750 3D printer.
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Wei, Xingjian, Ketan Thakare, Li Zeng, and Zhijian Pei. "Experimental Investigation of Stratasys J750 PolyJet Printer: Effects of Finish Type and Shore Hardness on Dimensional Accuracy." In ASME 2019 14th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/msec2019-2999.

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Abstract The J750 PolyJet printer is the newest model of full-color and multi-material 3D printer from Stratasys. Currently, limited information is available about the effects of control factors on dimensional accuracy of parts printed by this printer. In this study, the effects of two control factors, finish type and Shore hardness, on dimensional accuracy are investigated. The results suggest that both control factors significantly affect dimensional accuracy. Specifically, samples printed with glossy finish exhibit more accurate dimensions than those with matte finish, and larger Shore hardness value leads to better dimensional accuracy. These results would be valuable to researchers and practitioners who use the J750 3D printer.
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5

Wei, Xingjian, Li Zeng, and Zhijian Pei. "Experimental Investigation of PolyJet 3D Printing Process: Effects of Finish Type and Material Color on Color Appearance." In ASME 2019 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/imece2019-11917.

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Abstract The Stratasys J750 PolyJet printer is capable of printing full-color parts. However, little information is currently available about the effects of finish type and material color on color appearance of parts printed by the PolyJet process. In this study, the effects of finish type and material color on color appearance of PolyJet printed parts are investigated; two finish types (glossy and matte) and four material colors (cyan, magenta, yellow, and black) are considered. The results suggest that the main effects of finish type and its interactions with material color are significant. Especially, the effects of finish type when material color is black are more significant among the material colors. These results would be valuable to users of the full-color PolyJet 3D printer.
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Sanders, Jackson, Xingjian Wei, and Zhijian Pei. "Experimental Investigation of PolyJet 3D Printing Process: Effects of Orientation and Layer Thickness on Thermal Glass Transition Temperature." In ASME 2019 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/imece2019-11999.

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Abstract The J750 PolyJet printer is the newest model of full-color and multi-material 3D printer from Stratasys. Currently, limited information is available about the effects of control factors on thermal glass transition temperature of parts printed by this printer. In this study, the effects of two control factors, printing orientation and layer thickness, on the thermal glass transition temperature (Tg) are investigated. The results suggest that both control factors significantly affect Tg. Specifically, samples printed using the high mix mode have higher elastic moduli than those printed using high quality mode. Larger values of elastic moduli directly lead to a higher thermal glass transition temperature, making the material more effective under relatively extreme temperatures and duress. These results would be valuable to researchers and practitioners who use the Polyjet 3D printer.
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Doyle, Tyler, Bradford Knight, and Duncan Swain. "A Comparison of a RANS Based VPP to on the Water Sailing Performance." In SNAME 22nd Chesapeake Sailing Yacht Symposium. SNAME, 2016. http://dx.doi.org/10.5957/csys-2016-002.

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This paper compares performance predictions from a Reynolds Averaged Navier Stokes (RANS) based Velocity Prediction Program (VPP) to on the water testing of a J70. The J70 has been outfitted with a system to determine sail flying shapes, apparent wind conditions and performance data. The on the water testing is conducted in both racing and controlled sailing conditions. Data taken during racing conditions is analyzed to determine optimal performance envelopes while data taken in controlled conditions is used to match exact sailing and VPP states. The data acquisition system combines a number of standard marine sensors including a sonic anemometer, a GPS, a digital compass, an accelerometer and a gyroscope with custom sensors that measure rudder and boom angles as well as a custom sail shape acquisition system. The RANS based VPP developed by Doyle CFD has three main components; an aerodynamic force model, a hydrodynamic force model and an algorithm to balance the forces. The force balance routine uses four degrees of freedom; boat speed, yaw, heel and rudder angle to balance the aerodynamic and hydrodynamic forces for a given true wind speed and angle. The force models are derived from RANS CFD data calculated using OpenFOAM. The aerodynamic forces are calculated using steady state RANS as a function of apparent wind angle, apparent wind speed and sail flying shape. The VPP force model is derived by fitting response surfaces to this data. The aerodynamic CFD is run with sail flying shapes recorded from on the water testing. Using accurate flying shapes is critical for picking out slight aerodynamic differences in sail and rig setup. The hydrodynamic CFD data points are calculated using RANS Volume of Fluid CFD (VOF) as a function of boat speed, rudder angle, yaw angle, heel angle and displacement. Response surfaces are generated from a 64 data point array of RANS VOF simulations.
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Reports on the topic "J750"

1

Lee, S. Y. Revalidation studies of Mark 16 experiments: J70. Office of Scientific and Technical Information (OSTI), October 1993. http://dx.doi.org/10.2172/10140420.

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2

Reed, R. L. Technical review of SRT-CMA-930058 revalidation studies of Mark 16 experiments: J70. Office of Scientific and Technical Information (OSTI), October 1993. http://dx.doi.org/10.2172/10121166.

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