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Littérature scientifique sur le sujet « Tensive schematism »

Auteur : Grafiati

Publié le 4 juin 2021

Mis à jour le 6 février 2022

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Articles de revues sur le sujet "Tensive schematism"

Wu, Tong, Ming Xiang, Ya Cao, Jian Kang та Feng Yang. "Influence of lamellar structure on the stress–strain behavior of β nucleated polypropylene under tensile loading at elevated temperatures". RSC Advances 5, № 54 (2015): 43496–507. http://dx.doi.org/10.1039/c5ra05844a.

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Yeshmukhametov, Azamat Nurlanovich, Koichi Koganezawa, Zholdas Buribayev, Yedilkhan Amirgaliyev, and Yoshio Yamamoto. "Study on multi-section continuum robot wire-tension feedback control and load manipulability." Industrial Robot: the international journal of robotics research and application 47, no. 6 (2020): 837–45. http://dx.doi.org/10.1108/ir-03-2020-0054.

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Purpose The purpose of this paper is to present a novel hybrid pre-tension mechanism for continuum manipulators to prevent wire slack and improve continuum robot payload capacity, as well as to present a new method to control continuum manipulators’ shape. Design/methodology/approach This research explains the hardware design of a hybrid pre-tension mechanism device and proposes a mathematic formulation wire-tension based on robot design. Also, the wire-tension control method and payload estimation model would be discussed. Findings Wire-tension is directly related to the continuum manipulators’ rigidity and accuracy. However, in the case of robot motion, wires lose their tension and such an issue leads to the inaccuracy and twist deformation. Therefore, the proposed design assists in preventing any wire slack and derailing the problem of the wires. Originality/value The novelty of this research is proposed pre-tension mechanism device design and control schematics. Proposed pre-tension mechanism designed to maintain up to eight wires simultaneously.

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Ronceray, Pierre, Chase P. Broedersz, and Martin Lenz. "Fiber plucking by molecular motors yields large emergent contractility in stiff biopolymer networks." Soft Matter 15, no. 7 (2019): 1481–87. http://dx.doi.org/10.1039/c8sm00979a.

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Molecular motors generate tension in the cell cortex by exerting forces on actin filaments. Here we demonstrate that when applied perpendicularly to the filament (left schematic), these forces can be dramatically enhanced by a simple geometrical effect: fiber plucking. This can result in strong stress amplification at moderate force, but only in stiff networks of flexible fibers.

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Allakhverdieva, Khayala V. "PHYSICOMECHANICAL PROPERTIES OF COMPOSIT MATERIALS ON BASIS OF COPPER AND POLYOLEFINS." IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII KHIMIYA KHIMICHESKAYA TEKHNOLOGIYA 63, no. 10 (2020): 71–77. http://dx.doi.org/10.6060/ivkkt.20206310.6251.

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The paper presents the results of a study of the effect of copper concentration on the physicomechanical properties of composites based on high density polyethylene and low density polyethylene. The properties of metal-filled composites, such as ultimate tensile stress, elongation at break, elastic module, melt flow rate, and heat resistance, were studied. Loading of copper into the composition of low density polyethylene contributes to a monotonic increase in the ultimate tensile stress and the elastic module. When copper is loading into the composition of high density polyethylene, on the contrary, a natural decrease in the ultimate tensile stress and elongation at break of the composites is observed. It is shown that when using a compatibilizer, which is polyethylene modified with maleic anhydride, a significant increase in the ultimate tensile stress of high and low density polyethylene composites is observed. A schematic representation of the structure of composites with an interpretation of the probable mechanism of hardening of the material in the presence of a compatibilizer is given. It is shown that the crystallinity of the initial polyethylene has a significant effect on the hardening effect of composites. It is assumed that polyethylene of high density macrochains free of maleic anhydride are involved in the formation of crystalline formations, and small sections of macrosegments containing polar groups are concentrated mainly in amorphous regions and in defects in crystalline structures in the form of passage chains. The concentration of copolymer of polyethylene with maleic anhydride macrosegments in the narrow amorphous space of polyethylene of high density favorably affects the increase in the adhesive forces of interaction on the surface of copper particles, which affects the preservation of the ultimate tensile stress at a relatively high level over a wide range of copper concentrations.

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Zein, Tengku Thyrhaya, T. Silvana Sinar, Nurlela Nurlela, and Muhammad Yusuf. "The Incomplete Linguistic Features and Schematic Structure in EFL University Students’ Narrative Texts." JETL (Journal Of Education, Teaching and Learning) 4, no. 1 (2019): 203. http://dx.doi.org/10.26737/jetl.v4i1.675.

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This study attempts to investigate the incomplete linguistic features and schematic structure in university students’ narrative text. Qualitative content analysis method was utilized as the research design. The instrument of the research is the writing sheet. The data were taken from a narrative text written by 34 university students of second-year English education study program under the theme of folktales from North Sumatera. The data were analyzed by using the transitivity system to identify linguistic features in narrative text. The findings present that there are 4 different titles of folktales found in the data. From the data, it was commonly found that there is an incomplete part of the schematic structure of narrative text written by students namely complication, evaluation, resolution, and coda. In terms of linguistic features, it is discovered that most of the students have difficulties in differing the tense used covering the use of regular and irregular verbs, and the absence of dialogue. Then, the conclusion can be drawn that the incomplete schematic structure and linguistic features exist in university students’ narrative text. It is also suggested that students keep practicing to write and lecturers should devote higher attention in teaching this genre so that it is able to be comprehended and properly produced by students.

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Goodman, Joel H. "SMALL HELIOSTATS CSP SYSTEMS ON LONG-SPAN HANGING ROOFS." Journal of Green Building 14, no. 2 (2019): 219–42. http://dx.doi.org/10.3992/1943-4618.14.2.219.

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Building Integrated Concentrating Solar Power (BI-CSP) schematic studies with small scale exterior two-axis tracking heliostats anchored on and semi-shading long span hanging roofs with elevated receiver(s) are presented for populated urban and rural locations. Hanging roofs (inverted shallow dome shape) with two-way structural cables and mostly square infill prefabricated slabs/panels supported from a perimeter horizontal circular donut shape rim-girder-platform without a center tension ring studies are for comparing to radial cable structural configurations with a center tension ring. Cable gap grouting between slabs/panels form a pre-tensioned inverted shell structure after temporary weights are removed. Securing vertical heliostat posts studies include: three vertical bolts cast in grout gap two-way cables intersections for three point adjustment of horizontal post base plates; and one-axis adjustable manufactured post brackets bolted to sloped roof surfaces at holes cast in the gaps/slabs. A main case study schematic is around a 30m/100ft diameter hanging roof with a 0.07 sag/diameter ratio with around 271 1m2 heliostats for 230kWt solar thermal steam or air to around 300degC/572degF building integrated thermal energy storage (molten salt, firebricks, etc.) and applications (water purification, cooling, industrial process heat, etc.). A BI-CSP hanging roofs R&D project proposal is outlined: with a circular roof study diameter range of around 25m/82ft–200m/656ft diameter for comparing two-way and radial cable structural configurations for distributed steam stations and a wide range of application temperatures.

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Blaschek, Astrid, Siona Decke, Lucia Albers, et al. "Self-reported neck pain is associated with migraine but not with tension-type headache in adolescents." Cephalalgia 34, no. 11 (2014): 895–903. http://dx.doi.org/10.1177/0333102414523338.

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Aim The aim of the present analysis is to confirm or refute the association of neck pain to migraine or tension-type headache and to assess whether this association is independent of other risk factors for headache. Methods Secondary school students were invited to complete a questionnaire on headache and lifestyle factors in a cross-sectional study. Neck pain was assessed via (a) a screening question concerning neck pain and (b) denoting affected areas in schematic drawings of the human body. Results Absolute increment in prevalence of headache with pain in the shoulder-neck region was between 7.5% and 9.6%. Gender, grade, stress and lifestyle factors were assessed as potential confounding factors. Nearly all factors were associated with shoulder-neck pain and most with headache. After adjustment for confounders, the association of neck pain with headache was almost completely confined to migraine (OR 2.39; 95% CI 1.48–3.85) and migraine + tension-type headache (OR 2.12; 95% CI 1.50–2.99), whereas the association with isolated tension-type headache was negligible (OR 1.22, 95% CI 0.87–1.69). Conclusion Neck pain is associated with migraine but not with tension-type headache. A possible link between migraine and neck pain may be the cervico-trigeminal convergence of neck and meningeal sensory afferents or a disturbed descending inhibition in migraine.

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Allakhverdiyeva, H. V., N. T. Kakhramanov, and I. I. Ismayilov. "Physicomechanical properties of composites based on various types of polyethylene and aluminum." Perspektivnye Materialy 10 (2020): 48–55. http://dx.doi.org/10.30791/1028-978x-2020-10-48-55.

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The paper presents the results of a study of the effect of aluminum content on the physic-mechanical properties of composites based on high density polyethylene and low density polyethylene. The properties of metal-filled composites, such as ultimate tensile stress, elongation at break, elastic module, melt flow rate, and heat resistance, were studied. According to the data obtained, the loading of aluminum into the composition of low density polyethylene contributes to a monotonic increase in the ultimate tensile stress and the elastic module. When aluminum is loading into the composition of high density polyethylene, on the contrary, a natural decrease in the ultimate tensile stress and elongation at break of the composites is observed. It is shown that when using a compatibilizer, which is polyethylene modified with maleic anhydride, a significant increase in the ultimate tensile stress of high-density polyethylene composites is observed. A schematic representation of the structure of composites with an interpretation of the probable mechanism of hardening of the material in the presence of a compatibilizer is given. It is shown that the crystallinity of the initial polyethylene has a significant effect on the hardening effect of composites. Electron microscopic micrographs of the structure of a filled composite without and with compatibilizer are given. A comparative assessment shows that in the presence of a compatibilizer, aluminum particles are in the bulk of the polymer matrix, i.e. are not in an isolated state. It is assumed that HDPE macrochains free of maleic anhydride (MA) are involved in the formation of crystalline formations, and small sections of macrosegments containing polar groups of MA are concentrated mainly in amorphous regions and in defects in crystalline structures in the form of passage chains. The concentration of PEMA macrosegments containing MA in the narrow amorphous space of HDPE favorably affects the increase in the adhesive forces of interaction on the surface of aluminum particles, which affects the preservation of the ultimate tensile stress at a relatively high level over a wide range of aluminum concentrations.

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Margulis, Elizabeth Hellmuth. "A Model of Melodic Expectation." Music Perception 22, no. 4 (2005): 663–714. http://dx.doi.org/10.1525/mp.2005.22.4.663.

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A model of melodic expectation is proposed. The model assigns ratings to the expectedness of melodic events. The ratings depend on the hierarchic implementation of three primary factors�stability, proximity, and direction�and one secondary factor�mobility. The model explicitly links expectancy ratings to aspects of listeners� experiences of tension in melody. An approach to temporal expectations is discussed but not quantified. The model is situated within a framework for thinking about a type of schematic melodic expectations. This article assesses the position of these expectations within the broader cognitive processes invoked in listening to music. It suggests methods for investigating the expectations empirically. Additionally, it outlines connections between the theorized expectations and the dynamic, affective contours of musical experience.

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Antović, Mihailo. "Multilevel grounded semantics across cognitive modalities: Music, vision, poetry." Language and Literature: International Journal of Stylistics 30, no. 2 (2021): 147–73. http://dx.doi.org/10.1177/0963947021999182.

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This article extends the author’s theory of multilevel grounding in meaning generation from its original application to music to the domains of visual cognition and poetry. Based on the notions of ground from the philosophy of language and conceptual blending from cognitive linguistics, the approach views semiosis in works of art as a series of successive mappings couched in a set of six hierarchical, recursive levels of constraint or grounding boxes: (1) perceptual, parsing the stimulus into formal gestalten; (2) cross-modal, motivating schematic correspondences between the stimulus so structured and the listener’s embodied experience; (3) affective, ascribing to this embodied appreciation dynamic sensations, as in the distinction between tense and lax parts of the perceptual flow; (4) conceptual, drawing analogies between such schematic and affective appreciation and elementary experiential imagery, resulting in outlines of narratives; (5) culturally rich, checking such a narrative outline against the recipient’s cultural knowledge; and (6) individual, adding to the levels above idiosyncratic recollections from the participant’s personal experience. The goal of the analysis is to show that the interpretation of constructs from different semiotic modes (music, vision and language) may rely on the same grounding levels as it ultimately depends on the same perceptual, embodied and contextual circumstances. Specifically, the article uses the system to analyse the possible reception of a section from the romance for violin and orchestra ‘The Lark Ascending’ by Ralph Vaughan Williams, the painting ‘The Last Supper’ by Leonardo da Vinci and the poem ‘No Man Is an Island’ by John Donne.

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Thèses sur le sujet "Tensive schematism"

Vilela, Ilca Suzana Lopes. "Afirmação da identidade no discurso quilombola em perspectiva semiótica: o caso das bonecas pretas do Quilombo de Conceição das Crioulas." Universidade de São Paulo, 2014. http://www.teses.usp.br/teses/disponiveis/8/8139/tde-25052015-153151/.

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Nesta tese, analisou-se o discurso quilombola tendo como objeto teórico a construção do efeito de sentido de afirmação da identidade na relação com a estratégia de manipulação por sedução o objeto empírico sendo as bonecas pretas do Quilombo de Conceição das Crioulas, situado em Salgueiro PE, na tentativa de: discutir o que é uma identidade semiótica, como se produz esse efeito textual-discursivamente e o que significa a afirmação da identidade pelos sujeitos; analisar como se constrói o efeito de sentido de identidade no corpus; cotejar a afirmação da identidade com a semiótica da manipulação; refletir sobre o conceito de manipulação e seus desdobramentos na Semiótica greimasiana e explicitar, no corpus, a gestão do sentido tanto pela intencionalidade com que, implicitamente, o enunciador engendra uma imagem-fim positiva do enunciatário, quanto pelo excedente passional que sobrevém ao discurso. Os resultados da discussão teórica e sua incidência na análise do corpus demonstram que a identidade semiótica é um simulacro e para o efeito de sua afirmação são necessários elementos sintáxicos que produzam a repetição que, no discurso das bonecas, realiza-se com o recurso à isotopia, à aspectualização, à tensividade. Tais elementos, associados à estrutura manipulativa, arquitetam a estratégia da sedução com vistas à adesão ao discurso comunicado, o qual, pela tensão entre querer e dever, põe em movimento a ética e a estética. Notadamente, repetir para lembrar e seduzir para influenciar têm todo relevo na semiótica das bonecas.
In this thesis, we have analyzed the quilombola discourse. Our theoretical object was the construction of the meaning effect of identity affirmation in the relation with the strategy of manipulation by seduction the empiric object were the black dolls from Quilombo de Conceição das Crioulas, which is located in Salgueiro-PE. We have aimed at: discussing what is semiotic identity, how this effect is textually and discursively produced and what the subjects identity affirmation means; analyzing how the meaning effect of identity is constructed in our corpus; collating the identity affirmation with the semiotics of manipulation; reflecting about the concept of manipulation and its deployment in greimasian semiotics and showing, in the corpus, the management of the meaning by the intentionality with which, implicitly, the enunciator engenders a positive end-image of the enunciatee, and by the passionate surplus which overtakes the discourse. The results of the theoretical discussion and its incidence in the analysis of the corpus show that the semiotic identity is a simulacrum and that syntaxic elements which produce repetition are needed for the effect of its affirmation. In the discourse of the dolls, this is realized by isotopy, aspectualization, tensivity. These elements, associated with the structure of manipulation, build the strategy of seduction aiming the adhesion to the discourse, which, by the tension between wanting and having to do, put the ethic and the esthetic in movement. Notably, repeating to remember and seducing to influence have a lot of importance in the semiotics of the dolls.

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Chapitres de livres sur le sujet "Tensive schematism"

"FIG. 6 Schematic of delayed impregnation of fiber tows." In Surface and Interfacial Tension. CRC Press, 2004. http://dx.doi.org/10.1201/9780203021262-84.

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"FIG. 8 A schematic of an interface across a structured grid. FIG. 9 A schematic of an interface across an unstructured grid." In Surface and Interfacial Tension. CRC Press, 2004. http://dx.doi.org/10.1201/9780203021262-72.

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"FIG. 14 Schematic diagram of foam stabilizing factors depending on the lamellae thickness." In Surface and Interfacial Tension. CRC Press, 2004. http://dx.doi.org/10.1201/9780203021262-38.

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"FIG. 15 Schematic of foam being generated by bubbling: (a) no collapse, and (b) collapse occurs during generation." In Surface and Interfacial Tension. CRC Press, 2004. http://dx.doi.org/10.1201/9780203021262-13.

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"FIG. 12 Schematic diagram of the cell for formation of films in the capillary of a porous plate." In Surface and Interfacial Tension. CRC Press, 2004. http://dx.doi.org/10.1201/9780203021262-36.

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"FIG. 21 Schematic of experimental apparatus to measure contact angles using a cone surface. TABLE 2 Properties of Test Liquids." In Surface and Interfacial Tension. CRC Press, 2004. http://dx.doi.org/10.1201/9780203021262-122.

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"which the meniscus falls off the cylinder surface. FIG. 27 Schematic of critical condition at which meniscus contacts the surface of the support S ." In Surface and Interfacial Tension. CRC Press, 2004. http://dx.doi.org/10.1201/9780203021262-126.

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"FIG. 22 Schematic plot of the Washburn’s law. FIG. 23 Determination of the maximum void size, which can be driven by the resin flow." In Surface and Interfacial Tension. CRC Press, 2004. http://dx.doi.org/10.1201/9780203021262-89.

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"FIG. 13 Schematic diagram of the cell for formation of films formed by a frame pulled out of a solution. The sizes of the apparatus are shown in mm." In Surface and Interfacial Tension. CRC Press, 2004. http://dx.doi.org/10.1201/9780203021262-37.

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"the driving force for aggregating the hydrocarbon chains and assembling the charged head groups and the counterions. The hydrocarbon chains are drawn in a schematic fashion; in reality, their conformational state is disordered similarly as shown in Fig. 15." In Surface and Interfacial Tension. CRC Press, 2004. http://dx.doi.org/10.1201/9780203021262-174.

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Actes de conférences sur le sujet "Tensive schematism"

Narain, A., M. Kivisalu, R. Naik, N. Gorgitrattanagul, S. Mitra, and M. M. Hasan. "Comparative Experimental and Computational Studies for Annular Condensing and Boiling Flows in Millimeter Scale Horizontal Ducts." In ASME 2012 Heat Transfer Summer Conference collocated with the ASME 2012 Fluids Engineering Division Summer Meeting and the ASME 2012 10th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/ht2012-58602.

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This paper describes experimental approaches for ensuring high heat-flux annular flow boiling and flow condensation under conditions for which shear and pressure forces dominate buoyancy effects. The paper also describes fundamental predictive tools for such flows. For annular flows, the liquid phase flows in the form of a wavy film (often micro-meter scale thin) that continuously irrigates the heat-exchange surface inside millimeter scale ducts. Controlled attainments of these annular flow configurations (which experience only second order effects of surface-tension forces) are essential to integration of functional boilers and condensers for certain space-based as well as micro-scale thermal systems. The experiments deal with flow condensation of FC-72 in a 2 mm gap horizontal channel of 1 m length and flow boiling of FC-72 in a 1.6 mm gap horizontal channel of 0.74 m length. For both boiling and condensing flow experiments, annularity of the respective flows is ensured by choice of an appropriate rate of through flow of vapor that does not actively participate in phase-change and has a flow rate which lies within a well defined range. The through flow of vapor is shown to ensure stability, annularity (by effectively suppressing nucleation in the case of flow boiling), and predictability. This fact is demonstrated by relevant flow visualization videos whose schematic and still pictures are included here. Two sets of annular condensing flow simulation results (one based on a full computational fluid dynamics based steady/unsteady simulations and another based on a quasi 1-D steady simulations) are compared against experimental heat-flux measurements obtained for annular shear driven condensing flows of FC-72 vapor. For quasi-steady annular boiling, only the quasi 1-D steady simulations approach is used for comparisons with experimental heat load measurements. The reasonableness of the proposed 1-D predictive engineering tool, with proper understanding of its scope and limitations, enables one to generate useful results for more sophisticated simulations. Furthermore the tool readily yields results/estimates for other working fluids, channel dimensions, and flow conditions.

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