Relevant bibliographies by topics / Type of stress state

Academic literature on the topic 'Type of stress state'

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Published: 30 May 2022
Last updated: 31 May 2022

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Journal articles on the topic "Type of stress state"

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Gordienko, I. E. "Stress-strain state of a rod-type piezoceramic sensor." Strength of Materials 20, no. 7 (July 1988): 928–32. http://dx.doi.org/10.1007/bf01528710.

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Lomakin, E. V., and A. M. Melnikov. "Plane stress state of media with plastic properties sensitive to the type of stress." Computational Continuum Mechanics 2, no. 2 (2009): 48–64. http://dx.doi.org/10.7242/1999-6691/2009.2.2.12.

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Kazarina, S. A., A. A. Movchan, and A. L. Sil’chenko. "Effect of the Type of State of Stress on the Stress Relaxation in Titanium Nickelide." Russian Metallurgy (Metally) 2018, no. 4 (April 2018): 328–33. http://dx.doi.org/10.1134/s0036029518040055.

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Bogomolov, V. Yu, V. I. Kochetov, S. I. Lazarev, and V. Yu Popov. "Calculation of Bayonet Stress-Strain State for Combined Type Membrane Apparatus." Vestnik Tambovskogo gosudarstvennogo tehnicheskogo universiteta 21, no. 3 (2015): 453–60. http://dx.doi.org/10.17277/vestnik.2015.03.pp.453-460.

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Galatenko, G. V. "Dugdale-type model for a mixed-mode crack: plane stress state." International Applied Mechanics 47, no. 1 (June 2011): 78–85. http://dx.doi.org/10.1007/s10778-011-0445-2.

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Natela Khoneliia and Svetlana Bugaeva. "THE REACTIVE CAPACITY OF THE SOIL BASES OF GRAVITY-TYPE QUAY WALL." World Science 1, no. 9(49) (September 30, 2019): 16–19. http://dx.doi.org/10.31435/rsglobal_ws/30092019/6696.

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The results of studies of the reactive capacity of the soil base of a gravity- type quay-wall on the basis of the method developed for calculating the “structure - soil base” system are considered. The method proposed allows determining the reactive capacity of the soil base in conditions of mixed stress state model (limit and sublimit stress state of the soil base) under and around of the base of the foundation structure in a wide range of loads of lateral earth pressure. The transformation of limit and sublimit stress state zones of the soil base on the basis of numerical modeling is presented which shows an increase of the sizes of limit stress state and a decrease of the sizes of sublimit stress state.
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Berthelot, Curtis, Diana Podborochynski, Colin Wandzura, Colin Prang, and Brent Marjerison. "Triaxial frequency sweep characterization of Saskatchewan hot mix asphaltic concrete across asphalt cement binder type." Canadian Journal of Civil Engineering 36, no. 9 (September 2009): 1403–10. http://dx.doi.org/10.1139/l09-066.

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The purpose of this research was to determine how asphalt cement binder types influence the mechanical behaviour of hot mix asphalt concrete mixes. This research employed triaxial frequency sweep characterization of a typical City of Saskatoon Hot Mix Type A2 and a typical Saskatchewan Ministry of Highways and Infrastructure Hot Mix Type 70 across a range of triaxial load frequencies and stress states representative of Saskatchewan field state conditions. The asphaltic mixes were evaluated across four asphalt cement binder types typically employed by Saskatchewan road agencies. Based on the findings of this study, the mechanical behaviour of both asphalt mixes evaluated were found to be highly sensitive to load rate, stress state, as well as asphaltic binder type. It was concluded that load rate, field stress state, and asphalt binder type should be incorporated into the structural design of hot mix asphalt concrete pavements to ensure adequate mix performance, particularly when placed in severe field conditions.
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Dyakov, D. A., and O. E. Akbasheva. "Oxidative stress and proteolysis system in type 2 diabetes." Diabetes mellitus 25, no. 1 (March 22, 2022): 14–20. http://dx.doi.org/10.14341/dm12402.

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Background: In establishing the diagnosis — type 2 diabetes, there is a trend of multiple increases every year, which is a health issue. According to the state register, the statistics of patients with diabetes in Russia is about 17% of the total population of the country. The prevalence of diabetes is steadily increasing every year. Today, diabetes mellitus is the leader among the prevalence of non-communicable diseases after cancer, cardiovascular diseases, often leading to disability and death.Aim: To study the relationship between oxidative stress and the «proteinase-inhibitor» system in diabetes mellitus 2.Materials and methods: An observational single-center single-stage sample study was conducted with the participation of patients with type 2 diabetes mellitus and a control group (practically healthy individuals). the activity of elastase-, trypsin-like proteinases, α1-proteinase inhibitor, the content of bityrosine as an indicator of oxidative modification of proteins and the state of lipid peroxidation were determined by spectrophotometric method in all subjects in blood plasma: the concentrations of TBK-active products and antioxidants-the activity of superoxide dismutase, catalase.Results: It was shown that in type 2 diabetes mellitus, the content of TBA of active products (an indicator of lipid peroxidation) increases by 2.34 times and the concentration of bityrosine — an indicator of oxidative modification of proteins, which was negatively dependent on the activity of a proteinase inhibitor (-0.79, p=0.03) increases by 7 times. A decrease in the activity of the proteinase inhibitor (by 23%) was accompanied by an increase in the activity of elastase — and trypsin-like proteinases, respectively, by 1.2 and 2.3 times, compared with practically healthy individuals. The activity of antioxidant enzymes, superoxide dismutase and catalase increased by 8.2 and 6.4 times, respectively.Conclusion: An increase in oxidative stress and oxidative modification of proteins is accompanied by a decrease in the activity of the proteinase inhibitor and an increase in the activity of elastase-, trypsin-like proteinases, as well as antioxidant enzymes.
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Lomakin, E. V. "Dependence of the limit state of composite and polymer materials on the type of stress state." Mechanics of Composite Materials 24, no. 2 (1988): 194–200. http://dx.doi.org/10.1007/bf00608152.

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Pomytkin, S. P., L. P. Vershinina, and N. N. Rozhkov. "Nonlinear endochronic creep models taking into account the type of stress state." IOP Conference Series: Materials Science and Engineering 537 (June 17, 2019): 042083. http://dx.doi.org/10.1088/1757-899x/537/4/042083.

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Dissertations / Theses on the topic "Type of stress state"

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Куан, Фам Дик. "Критерій граничного стану конструкційних матеріалів з врахуванням пошкоджуваності." Doctoral thesis, Київ, 2019. https://ela.kpi.ua/handle/123456789/30096.

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Дисертаційна робота присвячена розробці критерія граничного стану конструкційних матеріалів, які працюють в умовах складного напруженого стану у випадку статичного навантаження з урахуванням пошкоджуваності. Для визначення величини параметра пошкоджуваності використовувалися різні енергетичні підходи, які базуються на зміні фізико-механічних характеристик матеріалів при простих навантаженнях (розтяг та кручення). На основі отриманих експериментальних результатів на різних конструкційних матеріалах, вдосконалено модель опису кінетики накопичення пошкодження, запропонований Бонора, в залежності від рівня пластичної деформації. Отримано залежність параметрів моделі та критерія граничного стану від пружно-пластичних характеристик матеріала. Проведено порівняння отриманих теоретичних значень з експериментальними. Розроблена методика визначення кінетики накопичення пошкодження у випадку кручення циліндричних зразків з врахуванням неоднорідності розподілу деформації в перерізі зразка. На основі підходу Давіденкова-Фрідмана розроблено критерій граничного стану конструкційних матеріалів з врахуванням виду напруженого стану та пошкоджуваності. Представлено порівняння результатів граничного стану, отриманих за розробленим критерієм, експериментальними даними, та іншими методами.
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Foster, Liesel Ann. "Effect of heat stress on six beef breeds in the Zastron District : the significance of breed, coat colour and coat type." Thesis, Bloemfontein : Central University of Technology, Free State, 2010. http://hdl.handle.net/11462/32.

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Arcambal, Angélique. "Effet délétère de l’hyperglycémie sur la fonctionnalité des cellules endothéliales cérébrales et rôle protecteur de polyphénols antioxydants." Thesis, La Réunion, 2019. http://www.theses.fr/2019LARE0004.

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L’hyperglycémie associée au diabète de type 2 induit des complications vasculaires menant à des désordres cérébrovasculaires, comme l’accident vasculaire cérébral. En effet, l’hyperglycémie altère l’intégrité de la barrière hémato-encéphalique, et les cellules endothéliales cérébrales qui la composent sont particulièrement affectées. Le stress oxydant et l’état pro-inflammatoire engendrés par l’hyperglycémie jouent un rôle causal. Dans ce contexte, un intérêt croissant est accordé aux polyphénols d’origine végétale qui pourraient exercer une action antioxydante et anti-inflammatoire protectrice. L’objectif du travail de thèse était d’évaluer l’impact de l’hyperglycémie sur des marqueurs redox, inflammatoires et vasoactifs des cellules endothéliales cérébrales. L’action protectrice de l’insuline en tant qu’hormone hypoglycémiante clé a été explorée. De plus, nous avons étudié le rôle protecteur de polyphénols antioxydants extraits de la plante médicinale Antirhea borbonica de La Réunion. Pour ce faire, un modèle de cellules endothéliales cérébrales murines ainsi qu’un modèle animal d’ischémie cérébrale en condition d’hyperglycémie ont été utilisés. Nos résultats ont montré que l’hyperglycémie a induit un stress oxydant et une réponse pro-inflammatoire contribuant à une altération de la fonction endothéliale. Plusieurs cibles moléculaires ont été identifiées dont les protéines redox Nox4, Cu/ZnSOD, MnSOD, catalase et HO-1 ainsi que les facteurs vasoactifs ET-1, eNOS et NO. L’implication des médiateurs de signalisation Nrf2, AMPK, PI3K, JNK, ERK, p38 MAPK, NFκB et de la cytokine pro-inflammatoire IL-6 a été mise en évidence. L’insuline et les polyphénols ont exercé des effets antioxydants et anti- inflammatoires protégeant la fonction endothéliale. En situation d’ischémie cérébrale, l’hyperglycémie a exacerbé la dérégulation de l’état redox et pro-inflammatoire cérébral, associée à une altération de la barrière hémato-encéphalique. De plus, l’hyperglycémie a aggravé le déficit neurologique, le volume de l’infarctus cérébral et la transformation hémorragique. Les polyphénols ont exercé un rôle protecteur. L’acide caféique et son métabolite circulant, l’acide férulique, détectés au niveau cérébral, pourraient rendre compte de cette action protectrice. Des travaux complémentaires ont montré que les polyphénols protègent également contre l’altération de la fonction de cellules endothéliales aortiques humaines et la perte de vasorelaxation d’anneaux aortiques isolés de souris exposés à une hyperglycémie associée aux lipopolysaccharides de la bactérie Escherichia coli, qui sont des endotoxines liées de manière causale au contexte diabétique. En conclusion, ce travail de thèse a mis en évidence l’effet délétère de l’hyperglycémie sur la fonction endothéliale et le rôle protecteur de polyphénols antioxydants. L’utilisation des modèles expérimentaux développés permettra d’approfondir l’exploration des voies moléculaires impliquées et d’identifier de possibles cibles thérapeutiques innovantes
Type 2 diabetes promotes vascular complications, leading to cerebrovascular disorders such as stroke. Indeed, hyperglycemia alters the blood-brain barrier integrity by deregulating the cerebral endothelial cell function. Oxidative stress and pro-inflammatory response may play a causal role. Thus, the biological effect of plant polyphenols known to exert antioxidant and anti-inflammatory capacities is of high interest. We evaluated the impact of hyperglycemia on the production of redox, inflammatory and vasoactive markers of cerebral endothelial cells, and the protective effect of polyphenols from the medicinal plant Antirhea borbonica from Reunion island. The murine bEnd.3 cerebral endothelial cells and an ischemia-reperfusion mouse model exposed to hyperglycemia were used. Our results demonstrated that hyperglycemia induced an oxidative stress and a pro-inflammatory state, leading to cerebral endothelial dysfunction through the activation of specific signaling molecules. Importantly, polyphenols extracted from Antirhea borbonica counteracted hyperglycemia deleterious effects and protected cerebral endothelial cells. Moreover, hyperglycemia exacerbated oxidative stress and pro-inflammatory state promoting cerebrovascular damages and loss of endothelial barrier integrity in ischemia-reperfusion mice model. Polyphenols exerted antioxidant and anti-inflammatory activities, attenuating cerebrovascular damages. These findings suggest that polyphenols extracted from Antirhea borbonica exerted protective effects on cerebral endothelial cells and an ischemia-reperfusion mouse model against deleterious effects of hyperglycemia
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Kirchen, Patrick. "Steady-state and transient diesel soot emissions : development of a mean value soot model and exhaust-stream and in-cylinder measurements /." Zürich : ETH, 2008. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=18088.

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Krainz, Thomas Edward. "An Analysis of Heat Shock Protein Production in Human Retinal Pigment Epithelial Cells After Different Stress-Induced States." Walsh University Honors Theses / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=walshhonors1524248740945083.

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Obršlík, Petr. "Modelování a statická analýza stropní konstrukce v programu ANSYS." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2014. http://www.nusl.cz/ntk/nusl-226805.

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This thesis mainly deals with modeling and static analysis of the ceiling structure in the basic environment of ANSYS. The first part is focused on verifying correctness of the model most stressed parts of the structure with a simple hand-static calculation by the process of stress on a continuous beam. The main part is devoted to modeling composite structure, element types, specifying loads and boundary conditions by ANSYS FEM program. In the end, there are the results of stress and deflection presented, and the structure is evaluated at the ultimate limit state and serviceability limit state.
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Fernandez, Americo Leon. "Tomographic imaging the state of stress." Diss., Georgia Institute of Technology, 2000. http://hdl.handle.net/1853/20698.

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Carolina, Löf. "Att mäta stress : Adaptering och validering av Dundee Stress State Questionnaire." Thesis, Linköpings universitet, Institutionen för datavetenskap, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-157318.

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Studien hade till syfte att adaptera och validera den multidimensionella stressenkäten Dundee Stress State Questionnaire (DSSQ) som mäter stress utifrån 12 skalor som sammanfaller kring tre högre dimensioner: uppgiftsfokus, ångest och oro. DSSQ adapteras från originalspråket, engelska, till svenska. Tillämpbarheten för den svenska versionen av DSSQ undersöks genom att studera enkätens reliabilitet och validitet samt genom att tillämpa enkäten i två olika kontext, där två olika typer av uppgifter genomförs, ett arbetsminnestest och en polisstudentövning. Sammantaget visade resultatet att den svenska adaptionen av DSSQ har en hög reliabilitet. Dock gick det inte att bekräfta att den svenska adaptionen av DSSQ bibehåller samma faktormodell som originalversionen av DSSQ. Den statistiska analysen visade att de förändringar som identifierats i deltagarnas sinnesstämning delvis stämmer överens med tidigare forskning. Slutsatsen är att fler deltagare behövs för att validera faktormodellen hos den svenska adaptionen av DSSQ och den svenska adaptionen av DSSQ anses vara tillämpar i forskning då den visar på god reliabilitet.
The purpose of this study was to adapt and validate the Dundee Stress State Questionnaire (DSSQ), which measures stress based on 12 scales that cohere around three higher order dimensions: task engagement, distress and worry. DSSQ is adapted from its original language, English, to Swedish. The applicability of the Swedish version of DSSQ is tested by studying the questionnaire's reliability and validity, and by applying the survey in two different contexts, where two different tasks are performed, a work memory task and a police student exam task. Overall, the result showed that the Swedish adaptation of DSSQ has high reliability. However, it was not possible to confirm that the Swedish adaptation of DSSQ maintained the same factor model as the original DSSQ has. The statistical analysis showed the changes identified in the participants' moods partly in lines with previous research. The conclusion is that more participants are needed to validate the factor model for the Swedish adaptation of DSSQ and since the Swedish adaptation of DSSQ shows good reliability, it can be applied in research.
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Smith, Alexander Ian. "On the design of finite-state type systems." Thesis, University of Birmingham, 2015. http://etheses.bham.ac.uk//id/eprint/6120/.

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Practical computers have only finite amounts of memory. However, the programs that run on them are often written in languages that effectively assume (via providing constructs such as general recursion) that infinite memory is available, meaning that an implementation of those programs is necessarily an approximation. The main focus of this thesis is on the use of contraction: the ability to use a function parameter more than once in the body of that function (or more generally, to mention a free variable more than once in a term). Unrestricted contraction is a common reason for a language to require unbounded amounts of memory to implement. This thesis looks at a range of type systems, both existing and new, that restrict the use of contraction so that they can be implemented with finite amounts of state, identifying common themes, and explaining and suggesting solutions for common deficiencies. In particular, different restrictions on contraction are seen to correspond to different features of the language’s implementation.
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Lane, Scott Robert. "Stress type and leadership style in the principalship /." view abstract or download file of text, 2000. http://wwwlib.umi.com/cr/uoregon/preview?9977909.

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Thesis (Ph. D.)--University of Oregon, 2000.
Typescript. Includes vita and abstract. Includes bibliographical references (leaves 132-138). Also available for download via the World Wide Web; free to University of Oregon users.
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Books on the topic "Type of stress state"

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Kitaev-Smyk, L. A. Organizm i stress: Stress zhizni i stress smerti. Moskva: Smysl, 2012.

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Estleman, Loren D. Stress. Thorndike, Me: Thorndike Press, 1996.

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Stress. New York, NY: Mysterious Press, 1996.

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Kolupaev, Vladimir A. Equivalent Stress Concept for Limit State Analysis. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-73049-3.

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1945-, Plowden F. J., ed. The state under stress: Can the hollow state be good government? Buckingham: Open University Press, 1996.

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K, Rout Jaya, ed. Stress and general practitioners. Dordrecht: Kluwer Academic Publishers, 1993.

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Angel Falls. Nashville, Tenn: Abingdon Press, 2013.

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Health psychology: Stress, behaviour and disease. London: Falmer Press, 1992.

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Stress management for the healthy type A: Theory and practice. New York: Guilford Press, 1987.

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Quenk, Naomi L. In the grip: Understanding type, stress, and the inferior function. 2nd ed. Mountain View, CA: CPP, Inc., 2000.

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Book chapters on the topic "Type of stress state"

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Chodorek, Agnieszka. "Sugeno-Type Fuzzy Predictor of the MPEG Video Stream." In The State of the Art in Computational Intelligence, 162–67. Heidelberg: Physica-Verlag HD, 2000. http://dx.doi.org/10.1007/978-3-7908-1844-4_27.

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Bragov, Anatoly M., Andrey K. Lomunov, and Tatiana N. Yuzhina. "Dynamic Compressibility of Birch Under Various Types of Stress-Strain State." In Multiscale Solid Mechanics, 69–80. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-54928-2_7.

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Pukhliy, V. A., E. A. Kogan, and S. T. Miroshnichenko. "Application of Differential Geometry to Calculations of Stress–Strain State of Nuclear Reactors Covers of WWER Type." In Lecture Notes in Mechanical Engineering, 60–70. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-54814-8_7.

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Inui, Haruyuki, and Kyosuke Kishida. "Plaston—Elemental Deformation Process Involving Cooperative Atom Motion." In The Plaston Concept, 119–31. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-16-7715-1_6.

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AbstractThe concept of ‘plaston’ that involves cooperative atom motion under shear stress is discussed as a deformation carrier that nucleates and moves in the deformation front under shear stress in many different materials in general. The selection of a plaston of a particular type among many different plastons depends on stress level/state, crystallographic orientation, specimen size (grain size) and so on. The importance of the understanding of the activation of various plastons is discussed for the improvement of mechanical properties of existing structural materials and the development of new structural materials with high strength and high ductility.
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Pérez Caldentey, Alejandro, Luigino Dezi, Javier Jordán, Graziano Leoni, Gianluca Ranzi, and Raymond Ian Gilbert. "Case studies considering the influence of the time-dependent behaviour of concrete on the serviceability limit state design of composite steel-concrete bridges." In Time-dependent behaviour and design of composite steel-concrete structures, 157–88. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2021. http://dx.doi.org/10.2749/sed018.ch8.

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<p>This chapter introduces three case studies that describe how aspects related to the serviceability limit state design associated with the time-dependent behaviour of concrete can be considered in a design situation. The first case study considers the Oxec II Bridge in Guatemala. It provides an overview of the stress verification of the steel section of the composite bridge and accounts for concrete time effects to capture the stress redistribution that occurs between the concrete and the steel components. The second case study deals with the Yalquincha Viaduct in Chile and provides an overview of the type of long-term analyses that can be carried out when considering the influence of different cross-sectional arrangements on the time-dependent response of the bridge. The last case study focusses on the Serra Cazzola Viaduct in Italy and highlights the opportunities available to designers in exploiting optimised casting sequences to reduce the time-dependent stresses induced in the concrete and, therefore, mitigate the likelihood of concrete cracking.</p>
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da Luz, Viviane Kopp, Vívian Ebeling Viana, Gabriela Magalhães da Fonseca, Camila Pegoraro, Luciano Carlos da Maia, and Antonio Costa de Oliveira. "Identification of rice mutants tolerant to cold stress at the germination stage by TILLING." In Mutation breeding, genetic diversity and crop adaptation to climate change, 111–19. Wallingford: CABI, 2021. http://dx.doi.org/10.1079/9781789249095.0011.

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Abstract Cold stress is a common factor affecting rice culture in temperate regions, which impairs seed germination, crop establishment and grain yield. This work aimed to identify, through a TILLING assay, rice mutant families displaying cold tolerance during the germination stage. The mutant analyses were performed in 4000 M3 plants obtained through chemical mutagenesis with ethyl methanesulfonate. We screened for mutations in the Os03g0103300 (qLTG3-1) gene, which is responsible for cold tolerance during germination. The TILLING assay identified a mutant (516 A3) which was tested for germination efficiency in cold stress (13°C). The mutant genotype showed a higher relative performance in germination and germination velocity index, which was more than 50% higher compared with wild-type. The mutation induction was efficient in creating genetic variability for cold stress tolerance during germination. Gene expression analyses demonstrate that Os03g0103300 was downregulated in stage S3 in the mutant and wild-type plants germinated under cold stress. However, downregulation in the Os03g0103300 gene was less severe in the mutant, which suggests that the expression related to germination ability under cold stress may be detected in the previous stages, embryo activation and weakening of the tissues that cover the embryo. Overall, the mutant 516 A3 presents a new genetic variant for cold tolerance during germination.
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Mamouras, Konstantinos. "Semantic Foundations for Deterministic Dataflow and Stream Processing." In Programming Languages and Systems, 394–427. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-44914-8_15.

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AbstractWe propose a denotational semantic framework for deterministic dataflow and stream processing that encompasses a variety of existing streaming models. Our proposal is based on the idea that data streams, stream transformations, and stream-processing programs should be classified using types. The type of a data stream is captured formally by a monoid, an algebraic structure with a distinguished binary operation and a unit. The elements of a monoid model the finite fragments of a stream, the binary operation represents the concatenation of stream fragments, and the unit is the empty fragment. Stream transformations are modeled using monotone functions on streams, which we call stream transductions. These functions can be implemented using abstract machines with a potentially infinite state space, which we call stream transducers. This abstract typed framework of stream transductions and transducers can be used to (1) verify the correctness of streaming computations, that is, that an implementation adheres to the desired behavior, (2) prove the soundness of optimizing transformations, e.g. for parallelization and distribution, and (3) inform the design of programming models and query languages for stream processing. In particular, we show that several useful combinators can be supported by the full class of stream transductions and transducers: serial composition, parallel composition, and feedback composition.
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Sakamoto, Kiyomi, Shoichi Aoyama, Shigeo Asahara, Haruki Mizushina, and Hirohiko Kaneko. "Relationship between Emotional State and Pupil Diameter Variability under Various Types of Workload Stress." In Ergonomics and Health Aspects of Work with Computers, 177–85. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-02731-4_21.

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Balalayeva, Elena, Viktor Artiukh, Volodymyr Kukhar, Olga Tuzenko, Vladyslav Glazko, Andrii Prysiazhnyi, and Vadim Kankhva. "Researching of the Stress-Strain State of the Open-Type Press Frame Using of Elastic Compensator of Errors of “Press-Die” System." In International Scientific Conference Energy Management of Municipal Transportation Facilities and Transport EMMFT 2017, 220–35. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-70987-1_24.

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Adhikari, Puspa L., Wokil Bam, Pamela L. Campbell, Francois Oberhaensli, Marc Metian, Marc Besson, Hugo Jacob, and Peter W. Swarzenski. "Evaluating Microplastic Experimental Design and Exposure Studies in Aquatic Organisms." In Microplastic in the Environment: Pattern and Process, 69–85. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-78627-4_3.

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AbstractEnvironmental microplastic particles (MPs) represent a potential threat to many aquatic animals, and experimental exposure studies, when done well, offer a quantitative approach to assess this stress systematically and reliably. While the scientific literature on MP studies in aquatic environments is rapidly growing, there is still much to learn, and this chapter presents a brief overview of some of the successful methods and pitfalls in experimental MP exposure studies. A short overview of some experimental design types and recommendations are also presented. A proper experimental exposure study will yield useful information on MP-organism impacts and must include the following: a comprehensive MP characterization (e.g., density, buoyancy, type, nature, size, shape, concentration, color, degree of weathering/biofilm formation, an assessment of co-contaminant/surfactant toxicity and behavior, an understanding exposure modes, dose and duration, and the type and life stage of the target species). Finally, more conventional experimental considerations, such as time, costs, and access to clean water, specialized instrumentation, and use of appropriate controls, replicate, and robust statistical analyses are also vital. This short review is intended as a necessary first step towards standardization of experimental MP exposure protocols so one can more reliably assess the transport and fate of MP in the aquatic environment as well as their potential impacts on aquatic organisms.
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Conference papers on the topic "Type of stress state"

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Eneman, Geert, Nadine Collaert, Anabela Veloso, An De Keersgieter, Kristin De Meyer, and Thomas Y. Hoffmann. "On the efficiency of stress techniques in gate-last N-type bulk FinFETs." In ESSDERC 2011 - 41st European Solid State Device Research Conference. IEEE, 2011. http://dx.doi.org/10.1109/essderc.2011.6044221.

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Chen, Haifeng, Xiaohua Ma, Huimin Du, Lixin Guo, Shiguang Shang, and Duan Xie. "Study of high-gate-voltage stress using the reverse gated-diode current measurement in LDD n-type and p-type MOSFET's." In 2010 10th IEEE International Conference on Solid-State and Integrated Circuit Technology (ICSICT). IEEE, 2010. http://dx.doi.org/10.1109/icsict.2010.5667414.

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Htet, Min, and I. V. Volkov. "Study of the Stress-Strain State (SSS) and the Type of Stress State of a Model Closed Wing of an Airplane by the Using Speckle Interferometry." In 2019 1st International Conference on Control Systems, Mathematical Modelling, Automation and Energy Efficiency (SUMMA). IEEE, 2019. http://dx.doi.org/10.1109/summa48161.2019.8947551.

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Lin, Dequan, Man Wong, and Kevin Chau. "2000-Atmosphere Chip-Scale Packaged Bulk-Type Pressure Sensor with Dual-Cavity Induced Stress Amplification." In 2021 21st International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers). IEEE, 2021. http://dx.doi.org/10.1109/transducers50396.2021.9495537.

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Zhang, Yihui, Jinyuan Li, Yinghan Liu, and Guanbin Wu. "Effect of Mechanical Stress on the Electrical Characteristics of Different Type IGBT Chips." In 2019 16th China International Forum on Solid State Lighting & 2019 International Forum on Wide Bandgap Semiconductors China (SSLChina: IFWS). IEEE, 2019. http://dx.doi.org/10.1109/sslchinaifws49075.2019.9019764.

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He, X. W., S. L. Wu, Y. W. Liu, A. J. Zhang, C. W. Zhang, and W. F. Sun. "The degradation of N-type symmetrical lateral double diffused MOS with different gate voltage stress condition." In 2014 IEEE International Conference on Electron Devices and Solid-State Circuits (EDSSC). IEEE, 2014. http://dx.doi.org/10.1109/edssc.2014.7061094.

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Schulz, Michael, and Christian Gregor. "Assessment of State of Residual Stress of Hybrid Pressure Vessels." In ASME 2009 Pressure Vessels and Piping Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/pvp2009-77993.

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For fully carbon fibre wrapped pressure vessels with load sharing metallic liner (Type III), it was recognized that the state of residual stress given after the autofrettage process can change even if the vessel is stored without pressure. This change is influenced by temperature and time and has a direct effect on the residual lifetime of the vessel. To study the influence of the temperature on the state of residual stress an analytical model was applied which is based on the Classical Laminate Theory (CLT). According to the model, the critical conditions leading to a decrease in lifetime were identified. To confirm the results of the model temperature cycle tests were carried out. The results of the tests are compared with the analytical model and a finite element model. To investigate the influence of time on the state of residual stress, tests on vessels were performed. The tested vessels were aged without any pressure for a longer period of time after the autofrettage process. During these tests, the strain of the vessels was monitored.
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Mu, Dong, Qi Zhang, Fei Zeng, and Fengjun Wang. "Stress State and Deformation Pattern During the Infeed Swaging of Tube Without Mandrel." In ASME 2015 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/imece2015-50939.

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Infeed swaging is a type of rotary swaging process. It is usually used to reduce the cross section from the beginning to the end of the tube. Compared with the infeed swaging with mandrel, the infeed swaging without mandrel has the advantages of less-loading, chipless forming, giving high production rate and low tool costs. It has been widely used in aeronautic and automotive industries. In this paper, using the finite element (FE) simulation code, TRANSVALOR FORGE 2011, three-dimensional (3D) FE model and experiment were developed to investigate the stress state and deformation pattern during the infeed swaging of tube without mandrel. Results show that the stress state varies with the regions. In the sinking zone, the stress state in the middle of the tube is biaxial compressive, while that at the other regions is triaxial. In the forging zone, the material suffers from tensile axial stress, compressive thickness stress and circumferential stress. After unloading, tensile residual stresses occur at the forging zone and the inner surface in the sinking zone. The maximum tensile residual stress is 69.5MPa, which is 77.3% of the yield stress. In the sinking zone, more metal flows radially inside and the deformation type is compressive. In the forging zone, more material tends to flow along the axial direction. The deformation type in the forging zone is tensile. Moreover, experiments were also conducted to validate the FE model. The experimental and simulated results have a good agreement. After the infeed swaging, the microstructure of the tube became smaller and denser. The metal flow lines are continuous, contributing to improve the strength and the fatigue life of tube.
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Chhatre, Shreerang S., Somnath Sinha, Edward M. Braun, William L. Esch, Matthew D. Determan, Quinn R. Passey, Sergio A. Leonardi, et al. "Effect of Stress, Creep, and Fluid Type on Steady State Permeability Measurements in Tight Liquid Unconventional Reservoirs." In Unconventional Resources Technology Conference. Tulsa, OK, USA: American Association of Petroleum Geologists, 2014. http://dx.doi.org/10.15530/urtec-2014-1922578.

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Kang, Y., A. K. M. Mian, J. C. Suhling, and R. C. Jaeger. "Hydrostatic Response of Piezoresistive Stress Sensors." In ASME 1997 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1997. http://dx.doi.org/10.1115/imece1997-1224.

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Abstract The (111) surface of silicon offers unique advantages for fabrication of piezoresistive stress sensors. Resistive sensor elements fabricated on this particular surface respond to all six components comprising the state of stress. Hence, a multi-element rosette has the capability of measuring the complete stress state at a point in the material. To extract the stress state at points on the die from the resistance changes measured with the sensor rosettes, it is necessary to have accurately calibrated values of six piezoresistive coefficients. Four-point bending and wafer-level calibration methods can measure four out of six piezoresistive coefficients for both p- and n-type resistors. To measure the other two coefficients, a hydrostatic test method has been developed where a high capacity pressure vessel is used to apply triaxial load on a single die. During the test procedure, resistance changes of resistors on the die are monitored. The slopes of the adjusted resistance change versus pressure plots are then used to calculate the desired last two coefficients. A step-by-step hydrostatic test procedure is demonstrated and sample data are presented.
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Reports on the topic "Type of stress state"

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Elbaum, Michael, and Peter J. Christie. Type IV Secretion System of Agrobacterium tumefaciens: Components and Structures. United States Department of Agriculture, March 2013. http://dx.doi.org/10.32747/2013.7699848.bard.

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Objectives: The overall goal of the project was to build an ultrastructural model of the Agrobacterium tumefaciens type IV secretion system (T4SS) based on electron microscopy, genetics, and immunolocalization of its components. There were four original aims: Aim 1: Define the contributions of contact-dependent and -independent plant signals to formation of novel morphological changes at the A. tumefaciens polar membrane. Aim 2: Genetic basis for morphological changes at the A. tumefaciens polar membrane. Aim 3: Immuno-localization of VirB proteins Aim 4: Structural definition of the substrate translocation route. There were no major revisions to the aims, and the work focused on the above questions. Background: Agrobacterium presents a unique example of inter-kingdom gene transfer. The process involves cell to cell transfer of both protein and DNA substrates via a contact-dependent mechanism akin to bacterial conjugation. Transfer is mediated by a T4SS. Intensive study of the Agrobacterium T4SS has made it an archetypal model for the genetics and biochemistry. The channel is assembled from eleven protein components encoded on the B operon in the virulence region of the tumor-inducing plasmid, plus an additional coupling protein, VirD4. During the course of our project two structural studies were published presenting X-ray crystallography and three-dimensional reconstruction from electron microscopy of a core complex of the channel assembled in vitro from homologous proteins of E. coli, representing VirB7, VirB9, and VirB10. Another study was published claiming that the secretion channels in Agrobacterium appear on helical arrays around the membrane perimeter and along the entire length of the bacterium. Helical arrangements in bacterial membranes have since fallen from favor however, and that finding was partially retracted in a second publication. Overall, the localization of the T4SS within the bacterial membranes remains enigmatic in the literature, and we believe that our results from this project make a significant advance. Summary of achievements : We found that polar inflations and other membrane disturbances relate to the activation conditions rather than to virulence protein expression. Activation requires low pH and nutrient-poor medium. These stress conditions are also reflected in DNA condensation to varying degrees. Nonetheless, they must be considered in modeling the T4SS as they represent the relevant conditions for its expression and activity. We identified the T4SS core component VirB7 at native expression levels using state of the art super-resolution light microscopy. This marker of the secretion system was found almost exclusively at the cell poles, and typically one pole. Immuno-electron microscopy identified the protein at the inner membrane, rather than at bridges across the inner and outer membranes. This suggests a rare or transient assembly of the secretion-competent channel, or alternatively a two-step secretion involving an intermediate step in the periplasmic space. We followed the expression of the major secreted effector, VirE2. This is a single-stranded DNA binding protein that forms a capsid around the transferred oligonucleotide, adapting the bacterial conjugation to the eukaryotic host. We found that over-expressed VirE2 forms filamentous complexes in the bacterial cytoplasm that could be observed both by conventional fluorescence microscopy and by correlative electron cryo-tomography. Using a non-retentive mutant we observed secretion of VirE2 from bacterial poles. We labeled the secreted substrates in vivo in order detect their secretion and appearance in the plant cells. However the low transfer efficiency and significant background signal have so far hampered this approach.
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Heymsfield, Ernie, and Jeb Tingle. State of the practice in pavement structural design/analysis codes relevant to airfield pavement design. Engineer Research and Development Center (U.S.), May 2021. http://dx.doi.org/10.21079/11681/40542.

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An airfield pavement structure is designed to support aircraft live loads for a specified pavement design life. Computer codes are available to assist the engineer in designing an airfield pavement structure. Pavement structural design is generally a function of five criteria: the pavement structural configuration, materials, the applied loading, ambient conditions, and how pavement failure is defined. The two typical types of pavement structures, rigid and flexible, provide load support in fundamentally different ways and develop different stress distributions at the pavement – base interface. Airfield pavement structural design is unique due to the large concentrated dynamic loads that a pavement structure endures to support aircraft movements. Aircraft live loads that accompany aircraft movements are characterized in terms of the load magnitude, load area (tire-pavement contact surface), aircraft speed, movement frequency, landing gear configuration, and wheel coverage. The typical methods used for pavement structural design can be categorized into three approaches: empirical methods, analytical (closed-form) solutions, and numerical (finite element analysis) approaches. This article examines computational approaches used for airfield pavement structural design to summarize the state-of-the-practice and to identify opportunities for future advancements. United States and non-U.S. airfield pavement structural codes are reviewed in this article considering their computational methodology and intrinsic qualities.
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Sadot, Einat, Christopher Staiger, and Mohamad Abu-Abied. Studies of Novel Cytoskeletal Regulatory Proteins that are Involved in Abiotic Stress Signaling. United States Department of Agriculture, September 2011. http://dx.doi.org/10.32747/2011.7592652.bard.

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In the original proposal we planned to focus on two proteins related to the actin cytoskeleton: TCH2, a touch-induced calmodulin-like protein which was found by us to interact with the IQ domain of myosin VIII, ATM1; and ERD10, a dehydrin which was found to associate with actin filaments. As reported previously, no other dehydrins were found to interact with actin filaments. In addition so far we were unsuccessful in confirming the interaction of TCH2 with myosin VIII using other methods. In addition, no other myosin light chain candidates were found in a yeast two hybrid survey. Nevertheless we have made a significant progress in our studies of the role of myosins in plant cells. Plant myosins have been implicated in various cellular activities, such as cytoplasmic streaming (1, 2), plasmodesmata function (3-5), organelle movement (6-10), cytokinesis (4, 11, 12), endocytosis (4, 5, 13-15) and targeted RNA transport (16). Plant myosins belong to two main groups of unconventional myosins: myosin XI and myosin VIII, both closely related to myosin V (17-19). The Arabidopsis myosin family contains 17 members: 13 myosin XI and four myosin VIII (19, 20). The data obtained from our research of myosins was published in two papers acknowledging BARD funding. To address whether specific myosins are involved with the motility of specific organelles, we cloned the cDNAs from neck to tail of all 17 Arabidopsis myosins. These were fused to GFP and used as dominant negative mutants that interact with their cargo but are unable to walk along actin filaments. Therefore arrested organelle movement in the presence of such a construct shows that a particular myosin is involved with the movement of that particular organelle. While no mutually exclusive connections between specific myosins and organelles were found, based on overexpression of dominant negative tail constructs, a group of six myosins (XIC, XIE, XIK, XI-I, MYA1 and MYA2) were found to be more important for the motility of Golgi bodies and mitochondria in Nicotiana benthamiana and Nicotiana tabacum (8). Further deep and thorough analysis of myosin XIK revealed a potential regulation by head and tail interaction (Avisar et al., 2011). A similar regulatory mechanism has been reported for animal myosin V and VIIa (21, 22). In was shown that myosin V in the inhibited state is in a folded conformation such that the tail domain interacts with the head domain, inhibiting its ATPase and actinbinding activities. Cargo binding, high Ca2+, and/or phosphorylation may reduce the interaction between the head and tail domains, thus restoring its activity (23). Our collaborative work focuses on the characterization of the head tail interaction of myosin XIK. For this purpose the Israeli group built yeast expression vectors encoding the myosin XIK head. In addition, GST fusions of the wild-type tail as well as a tail mutated in the amino acids that mediate head to tail interaction. These were sent to the US group who is working on the isolation of recombinant proteins and performing the in vitro assays. While stress signals involve changes in Ca2+ levels in plants cells, the cytoplasmic streaming is sensitive to Ca2+. Therefore plant myosin activity is possibly regulated by stress. This finding is directly related to the goal of the original proposal.
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Osadchyi, Viacheslav, Hanna Varina, Evgeniy Prokofiev, Iryna Serdiuk, and Svetlana Shevchenko. Use of AR/VR Technologies in the Development of Future Specialists' Stress Resistance: Experience of STEAM-Laboratory and Laboratory of Psychophysiological Research Cooperation. [б. в.], November 2020. http://dx.doi.org/10.31812/123456789/4455.

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The scientific article deals with the analysis of peculiarities of the use of innovative AR/VR technologies in the process of developing future special- ists’ stress resistance. Based on the analysis of the introduction of AR/VR tech- nologies in the context of the implementation of a competency-based approach to higher education; modern studies on the impact of augmented reality on the emotional states and physiological features of a person in a stressful situation, the experience of cooperation of students and teachers at the Laboratory of Psy- chophysiological Research and STEAM-Laboratory has been described. Within the framework of the corresponding concept of cooperation, an integrative ap- proach to the process of personality’s stress resistance development has been designed and implemented. It is based on the complex combination of tradition- al psycho-diagnostic and training technologies with innovative AR/VR technol- ogies. According to the results it has been revealed that the implementation of a psycho-correction program with elements of AR technologies has promoted an increase of the level of personality’s emotional stability and stress resistance. The level of future specialists’ situational and personal anxiety has decreased; the level of insecurity, inferiority, anxiety about work, sensitivity to failures has also decreased; the level of flexibility of thinking and behavior, ability to switch from one type of activity to another one has increased; general level of person- ality’s adaptive abilities has also increased. The perspectives of further research include the analysis of the impact of AR/VR technologies on the future profes- sionals’ psychological characteristics in order to optimize the process of im- plementing a learner-centered approach into the system of higher education.
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Ding, Liming, and Fumin Yang. Stress and Strain of Slab Type Amplifiers. Fort Belvoir, VA: Defense Technical Information Center, January 1992. http://dx.doi.org/10.21236/ada254246.

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Rine, Kristin, Roger Christopherson, and Jason Ransom. Harlequin duck (Histrionicus histrionicus) occurrence and habitat selection in North Cascades National Park Service Complex, Washington. National Park Service, April 2022. http://dx.doi.org/10.36967/nrr-2293127.

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Harlequin ducks (Histrionicus histrionicus) are sea ducks that migrate inland each spring to nest along fast-flowing mountain streams. They are considered one of the most imperiled duck species in North America and occur in two distinct populations on the Atlantic and Pacific coasts. The Pacific coast population includes Washington State, where harlequin ducks breed in the Olympic, Cascade, and Selkirk Mountains. This species is designated as a Management Priority Species by the National Park Service within North Cascades National Park Service Complex (NOCA). This report summarizes harlequin duck surveys conducted during 15 years across a 27-year period (1990 and 2017) on major streams within NOCA, and incidental observations collected from 1968–2021. The primary objectives of these surveys were to 1) document the distribution and abundance of harlequin duck observations within NOCA boundaries, 2) describe productivity (number of broods and brood size), 3) describe breeding chronology of harlequin ducks, and 4) describe habitat characteristics of breeding streams. Sixty-eight stream surveys over 15 years resulted in observations of 623 individual harlequin ducks comprising various demographics, including single adults, pairs, and broods. In addition, we collected 184 incidental observations of harlequin ducks from visitors and staff between 1968–2021. Harlequin ducks were observed on 22 separate second- to sixth-order streams throughout NOCA across the entire 53-year span of data, both incidentally and during harlequin duck surveys by Park staff. Harlequin ducks were detected on 8 of the 13 streams that were actively surveyed. Excluding recounts, 88.7% (n = 330) of individual harlequin duck observations during surveys occurred in the Stehekin River drainage. Between all surveys and incidental observations, 135 unpaired females without broods were sighted across all NOCA waterways. Thirty-nine broods were recorded between NOCA surveys and incidental observations, with a mean brood size of 3.61 (± 1.44 SD; range = 2–10). Breeding pairs were recorded as early as April 5 and were seen on streams until June 15, a period of less than seven weeks (median: May 2), but most pairs were observed within a 3-week span, between April 26 and May 17. Single females (unpaired with a male, with (an)other female(s), or with a brood) were observed on streams between April 26 and August 25 (median: July 3), though most observations were made within a 5-week period between June 12 and July 19. Habitat data collected at adult harlequin duck observation sites indicate that the birds often used stream reaches with features that are characteristic of high-energy running water. While adults occupied all instream habitat types identified, non-braided rapids and riffles were used most frequently, followed by pools and backwaters. Larger instream substrate sizes (cobbles and boulders) were present at most observation sites. Adult harlequin ducks were more often found at locations that lacked visible drifting or lodged woody debris, but drift debris was a slightly more abundant debris type. The presence of gravel bars and at least one loafing site was common. Adult harlequin ducks were more often observed in association with vegetation that offered some cover over the channel, but not where banks were undercut. The average channel width at adult observation sites was 34.0 m (range: 6-80 m; n = 114) and 27.6 m (± 15.7 m; range: 10-60 m; n = 12) at brood observation sites. Compared to adult harlequin duck sites, broods were observed more frequently in low velocity habitat (pools, backwaters), but rarely in rapids. Cobble and boulder substrates were still the most dominant substrate type. Contrary to adult ducks, broods were observed most often observed in meandering stream channels, a morphology indicative of low gradient, low velocity stream reaches. Most broods were observed in stream reaches with gravel bars, loafing sites, and...
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Schneider, J. Stress relaxation of cellular silicone material: 1985 (condensation type only). Office of Scientific and Technical Information (OSTI), July 1986. http://dx.doi.org/10.2172/5571138.

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Barzi, E., and E. Terzini. Analytical Study of Stress State in HTS Solenoids. Office of Scientific and Technical Information (OSTI), January 2009. http://dx.doi.org/10.2172/970996.

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Coe, Joshua Damon. SESAME Equations of State for Stress Cushion and Related Materials. Office of Scientific and Technical Information (OSTI), February 2015. http://dx.doi.org/10.2172/1171675.

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Pelekh, Andrii. Stress-Strain State of Wooden Columns Under Uneven Local Heating. Intellectual Archive, September 2020. http://dx.doi.org/10.32370/ia_2020_09_21.

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