Academic literature on the topic 'High current stress'

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Journal articles on the topic "High current stress"

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Qin, Ying, Zhen Fei Song, Chuang Dong, et al. "Thermodynamic Processes and Phenomena Induced by High Current Pulsed Electron Beam." Materials Science Forum 561-565 (October 2007): 2439–42. http://dx.doi.org/10.4028/www.scientific.net/msf.561-565.2439.

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Due to the special heating mode of High Current Pulsed Electron Beam (HCPEB) irradiation, intense stresses such as thermoelastic stress, quasi-static stress, and shock wave stress can be generated by a dynamic thermal field. A dynamic thermo-stress is the origins of these stresses. The simulations for non-melting and melting modes are respectively compared with related phenomena such as bending, surface plastic deformation, and residual stress (non-melting mode, quasi-static stress-related), crater formation, depth distribution of microhardness, fragmentation of pearlites (melting mode, shock-
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Stepanov, G. V., and A. I. Babutskii. "Simulation of high-density pulse current-induced stress relaxation." Strength of Materials 39, no. 2 (2007): 189–93. http://dx.doi.org/10.1007/s11223-007-0024-2.

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Vas, Rishi, Taylor Phillips, Lorena A. Ferguson, Amritha Harikumar, Madelyn Castro, and Stephanie L. Leal. "High and low current perceived stress associated with enhanced emotional mnemonic discrimination." Learning & Memory 31, no. 12 (2024): a053989. https://doi.org/10.1101/lm.053989.124.

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Stress can have profound impacts on memory. However, the directionality of stress effects on memory varies widely across studies, some showing enhancement while others showing impairment. This variability has been attributed to the Yerkes-Dodson Law, which proposes a U-shaped pattern such that too little or too much stress may be associated with cognitive dysfunction. The impact of stress on memory may also depend on what aspects of memory are being measured (e.g., emotional content, gist vs. detail) and how stress is measured (e.g., physiological measures, self-report). Here, we aimed to exam
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Ma, Hong-jun, Hua-jun Liu, Fang Liu, Yi Shi, Chao Zhou, and Lei Lei. "Transverse Stress Applying Technology for High-Current Superconducting Conductors Testing." IEEE Transactions on Applied Superconductivity 31, no. 8 (2021): 1–4. http://dx.doi.org/10.1109/tasc.2021.3101756.

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Tang, D. D., C. Wong, and P. A. McFarland. "Metal migration into polysilicon emitter after very high current stress." IEEE Electron Device Letters 13, no. 5 (1992): 265–66. http://dx.doi.org/10.1109/55.145048.

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Mativenga, Mallory, Sejin Hong, and Jin Jang. "High current stress effects in amorphous-InGaZnO4 thin-film transistors." Applied Physics Letters 102, no. 2 (2013): 023503. http://dx.doi.org/10.1063/1.4775694.

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Arata, M., T. Hamajima, O. Ohsaki, and T. Hirumachi. "Internal stress influence on high current density superconducting magnet performance." IEEE Transactions on Appiled Superconductivity 5, no. 2 (1995): 365–68. http://dx.doi.org/10.1109/77.402565.

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Stepanov, G. V., and A. I. Babutskii. "Stress relaxation in steel caused by a high-density current." Strength of Materials 25, no. 9 (1993): 697–99. http://dx.doi.org/10.1007/bf01135524.

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Qin, Ying, Chuang Dong, Xiao Gang Wang, et al. "Numerical Simulation and Experimental Evidence for Surface Modification by High Current Pulsed Electron Beam." Materials Science Forum 475-479 (January 2005): 3673–76. http://dx.doi.org/10.4028/www.scientific.net/msf.475-479.3673.

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The simulation of the temperature reveals an ultra high heating/cooling rates in the order of 108~109 K/s and melted layer thickness micrometers in depth. A temperature-induced dynamic thermal stress fields can then generate three principal stress, the quasi-static stress, the thermoelastic stress, and the shock stress, the latter two being stress waves. The thermoelastic stress wave has small amplitudes less than 0.1 MPa. The shock stress wave however is a typical nonlinear wave, several hundreds of MPa in amplitude, much stronger than the thermoelastic stress wave, and has a strong impact on
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Chae, Myeongsu, and Hyungtak Kim. "Investigation of the Gate Degradation Induced by Forward Gate Voltage Stress in p-GaN Gate High Electron Mobility Transistors." Micromachines 14, no. 5 (2023): 977. http://dx.doi.org/10.3390/mi14050977.

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In this work, we investigated the degradation of the p-GaN gate stack induced by the forward gate voltage stress in normally off AlGaN/GaN high electron mobility transistors (HEMTs) with Schottky-type p-GaN gate. The gate stack degradations of p-GaN gate HEMTs were investigated by performing the gate step voltage stress and the gate constant voltage stress measurements. In the gate step voltage stress test, the positive and negative shifts of threshold voltage (VTH) depended on the range of the gate stress voltage (VG.stress) at room temperature. However, the positive shift of VTH in the small
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Dissertations / Theses on the topic "High current stress"

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Tabassum, Javeria, and javeriaajaz@yahoo co in. "Analysis of current methods of flexural design for high strength concrete beams." RMIT University. Civil, Environmental & Chemical Engineering, 2008. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20080725.143153.

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Considerable amount of research was carried out into the properties and structural performance of high strength concrete for more than few decades. Whilst this research has produced relevant and useful results, there are several properties of high strength concrete like compressive and tensile strengths, stiffness, durability etc. that need to be evaluated and investigated to determine an accurate representation for the determination of different structural properties of beams made of high strength concrete. For this purpose, an investigation into the behaviour of beams made of higher con
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Cevik, Gul. "Investigation Of The Effect Of Orientation And Heat Treatment On The Stress Corrosion Cracking Susceptibility Of 7050 Aluminum Alloy." Master's thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/3/12605220/index.pdf.

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In the present work, the effect of variation in specimen orientation and heat treatment on the Stress Corrosion Cracking (SCC) susceptibility of 7050 aluminum alloy was investigated in 3,5% NaCl solution and under freely corroding conditions. For this purpose, Constant Extension Rate Tests (CERT) was performed on precracked Compact Tension (CT) specimens and the Direct Current Potential Drop technique was applied to measure the crack lengths. In addition to crack length versus time curves, the relationship between the crack growth rate and the stress intensity factor was determined. Fractograp
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Nami, Alireza. "A new multilevel converter configuration for high power and high quality applications." Thesis, Queensland University of Technology, 2010. https://eprints.qut.edu.au/33216/1/Alireza_Nami_Thesis.pdf.

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The Queensland University of Technology (QUT) allows the presentation of theses for the Degree of Doctor of Philosophy in the format of published or submitted papers, where such papers have been published, accepted or submitted during the period of candidature. This thesis is composed of ten published /submitted papers and book chapters of which nine have been published and one is under review. This project is financially supported by an Australian Research Council (ARC) Discovery Grant with the aim of investigating multilevel topologies for high quality and high power applications, with speci
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Zelenke, Brian Christopher. "An empirical statistical model relating winds and ocean surface currents : implications for short-term current forecasts." Thesis, Connect to the title online, 2005. http://hdl.handle.net/1957/2166.

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Zabihi, Sasan. "Flexible high voltage pulsed power supply for plasma applications." Thesis, Queensland University of Technology, 2011. https://eprints.qut.edu.au/48137/1/Sasan_Zabihi_Sheykhrajeh_Thesis.pdf.

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Demands for delivering high instantaneous power in a compressed form (pulse shape) have widely increased during recent decades. The flexible shapes with variable pulse specifications offered by pulsed power have made it a practical and effective supply method for an extensive range of applications. In particular, the release of basic subatomic particles (i.e. electron, proton and neutron) in an atom (ionization process) and the synthesizing of molecules to form ions or other molecules are among those reactions that necessitate large amount of instantaneous power. In addition to the decompositi
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Ghasemi, Negareh. "Improving ultrasound excitation systems using a flexible power supply with adjustable voltage and frequency to drive piezoelectric transducers." Thesis, Queensland University of Technology, 2012. https://eprints.qut.edu.au/61091/1/Negareh_Ghasemi_Thesis.pdf.

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The ability of a piezoelectric transducer in energy conversion is rapidly expanding in several applications. Some of the industrial applications for which a high power ultrasound transducer can be used are surface cleaning, water treatment, plastic welding and food sterilization. Also, a high power ultrasound transducer plays a great role in biomedical applications such as diagnostic and therapeutic applications. An ultrasound transducer is usually applied to convert electrical energy to mechanical energy and vice versa. In some high power ultrasound system, ultrasound transducers are applied
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Noudem, Jacques Guillaume. "Texturation des céramiques supraconductrices Bi-Pb-Sr-Ca-Cu-O par combinaison des effets du champ magnétique et de la contrainte uniaxiale à haute température." Université Joseph Fourier (Grenoble), 1995. http://www.theses.fr/1995GRE10169.

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Les ceramiques supraconductrices des composes bi-(pb)-sr-ca-cu-o ont une capacite de transport de courant electrique a 77 k faible qui est due a la presence des porosites et a la desorientation des feuillets. Pour obtenir des densites de courant critique de transport elevees dans ces materiaux, il est necessaire de les densifier et d'induire une orientation cristallographique preferentielle. Un procede permettant de texturer par effet combine du champ magnetique et de la contrainte uniaxiale a haute temperature a ete mis au point. Le dispositif experimental permet d'appliquer une pression unia
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Chang, Ping-Chen, and 張品全. "Noise And Degradation Under High Current Stress of Bipolar Junction Transistor." Thesis, 1993. http://ndltd.ncl.edu.tw/handle/57501832848744383738.

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碩士<br>國立臺灣科技大學<br>工程技術研究所<br>81<br>Degradation under high current stress and noise are the two mportant issues of bipolar junction transistors. In the study high current stress, there have been studies on the effect high current stress on the BJT current-voltage tics. However there is no report on the effect of current stress on the BJT current- voltage s. In this thesis, we study experimentally the metal- emitter Si n-p-n and p-n-p BJT under high and biased in different circuit configurati
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WANG, YI-CHIEH, and 王意婕. "Analysis of failure modes for InGaN light emitting diodes under high-current stress." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/70503960439016746887.

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碩士<br>國立彰化師範大學<br>光電科技研究所<br>101<br>The aim of this thesis is to analyze failure mechanisms of GaN-based commercial blue light emitting diodes (LEDs) under large current aging. In chapter one, some basics including LED emitting principle, optical characteristics and failure analysis fundamentals were introduced. In chapter two, some literatures, which discussed failure causes of GaN-based LEDs, such as high injection current, high junction temperature, high background temperature, and electrostatic discharge, were reviewed. Moreover, studies in optoelectronic characteristics of LEDs after agin
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Hsu, Feng Mao, and 徐逢懋. "Study on Temperature and Current Stress Aging Effect for High Power Light Emitting Diodes." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/18436195470649373780.

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碩士<br>國立清華大學<br>動力機械工程學系<br>103<br>Through the technology developing rapidly, the concept of environmental friendly would be in our mind. The world faced the problem of globe warming. In daily life, light-emitting diode(LED) had characteristics of low pollution, low power consumption, and long lifetime. The reliability test of IES LM80-08 was in common use to the manufacturers of LED. It would cost too much time and prolonged the time-to-market. This situation can be regarded as an obstacle to the LED research and development. The purpose of this research would observe the factor of current st
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Books on the topic "High current stress"

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Durakova, Irina, Tat'yana Grechko, Anna Bagirova, et al. Personnel management in Russia: adaptation to the present. Book 12. INFRA-M Academic Publishing LLC., 2025. https://doi.org/10.12737/2150868.

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The monograph contains the results of research concerning, firstly, the new scientific vision of man and family in the context of modern changes. In the context of these areas, adaptation to the present is considered from the perspective of overcoming stress, maintaining mental health, and current problems of fertility and parenthood. Secondly, there are contradictions between inclusivity and organizational cynicism in shaping the working environment, mental and physical well-being, values and living space of a modern employee. Thirdly, the issues of diversification in personnel management, fo
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Schuurman, Bart. Becoming a European Homegrown Jihadist. Amsterdam University Press, 2018. http://dx.doi.org/10.5117/9789462986930.

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How and why do people become involved in European homegrown jihadism? This book addresses this question through an in-depth study of the Dutch Hofstadgroup, infamous for containing the murderer of filmmaker Theo van Gogh, who was killed in November 2004 in Amsterdam, and for plotting numerous other terrorist attacks. The Hofstadgroup offers a window into the broader phenomenon of homegrown jihadism that arose in Europe in 2004 and is still with us today. Utilizing interviews with former Hofstadgroup participants and the extensive police files on the group, Becoming a European Homegrown Jihadis
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Isett, Philip. Accounting for the Parameters and the Problem with the High-High Term. Princeton University Press, 2017. http://dx.doi.org/10.23943/princeton/9780691174822.003.0019.

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This chapter provides a list of all the parameters and summarizes their current status while also discussing the problem with the High–High term. These include the parameters used to mollify the Reynolds stress in space and along the coarse scale flow, the parameter used to mollify the velocity field in space, the lifespan parameter, and the parameter used to make sure the phase functions are high frequency. In addition to the High–High term, the chapter considers the Transport term, which becomes large when a short lifespan is chosen. It also shows how the Transport term could be made to have
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Jacobsen, Dean, and Olivier Dangles. Ecology of High Altitude Waters. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780198736868.001.0001.

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This book brings together current knowledge on patterns and processes in the ecology of streams, lakes, and wetlands situated at more than 3000 m above sea level. The alpine headwaters of the large Asian rivers and Lake Titicaca are both well-known and iconic examples. High altitude waters include more than these systems—they are both numerous and cover many habitat types, organisms, and specializations. The book provides an overview of the variety of aquatic ecosystems and habitats, their environmental features, prominent species, and their functional adaptations to the harsh aquatic environm
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Preece, Dianna C. Current Hedge Fund Debates and Controversies. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780190607371.003.0029.

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The hedge fund industry has grown to nearly $3 trillion over the last 20 years. High-net-worth individuals and institutional investors expect high returns and low correlation with traditional asset classes in exchange for the fees paid. The standard fee structure is “2 and 20,” 2 percent of assets under management and 20 percent of profits, representing high fees for active management. Hedge funds are largely unregulated and somewhat mysterious. As a result, they are the subject of debates and controversies among market participants and policymakers alike. Debates focus on fee structures, alph
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Béland, Daniel, Christopher Howard, and Kimberly J. Morgan. The Fragmented American Welfare State. Edited by Daniel Béland, Kimberly J. Morgan, and Christopher Howard. Oxford University Press, 2014. http://dx.doi.org/10.1093/oxfordhb/9780199838509.013.035.

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In the United States, the welfare state has long been a source of political and academic debate, and this volume pulls together much of our current knowledge about its origins, development, functions, and challenges. This introductory chapter provides an overview of the volume’s main themes and sections. For example, many of the following chapters emphasize the public-private mix in social policy, in which the government helps certain groups of citizens directly (e.g., through social insurance) or indirectly (e.g., through tax expenditures and regulations). Many chapters stress disjointed patt
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De Young, Alexandra C., and Michael S. Scheeringa. PTSD in Children 6 Years and Younger. Edited by Frederick J. Stoddard, David M. Benedek, Mohammed R. Milad, and Robert J. Ursano. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780190457136.003.0008.

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This chapter is an overview of the new Diagnostic and Statistical Manual of Mental Disorders (fifth edition; DSM-5) subtype “posttraumatic stress disorder for children 6 years and younger” and what is known about posttraumatic stress disorder during early childhood. It outlines issues that complicate the accurate assessment of trauma-related problems in young children and reviews the new DSM-5 category, instruments currently available, and evidence for different treatment options. Young children are a high-risk population for exposure to traumatic events and are likewise at risk of developing
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Iversen, Leslie. Where Are We and Where Are We Going? Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780190846848.003.0008.

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Cannabis research is flourishing despite the difficulties that scientists have in accessing high-quality cannabis. However, many questions remain: Can new medicines be discovered and developed based on the current knowledge of the biosynthesis, actions, and inactivation of endocannabinoids? Can genetic screening identify people who are particularly susceptible to cannabis use disorder and possibly to psychosis? Can researchers pinpoint in more detail how endocannabinoids modulate neural activity and how they change on exposure to stress? Scientific research will tackle all these questions and
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AlJaroudi, Wael. Myocardial Perfusion Imaging Before and After Cardiac Revascularization. Oxford University Press, 2015. http://dx.doi.org/10.1093/med/9780199392094.003.0015.

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Coronary artery disease (CAD) remains the leading cause of morbidity and mortality worldwide. While the burden of the disease remains high, the rates of death attributable to CAD have declined by almost a third between 1998 and 2008. In patients with stable ischemic heart disease (SIHD), data supporting survival benefit from coronary artery bypass graft surgery (CABG) or percutaneous coronary intervention (PCI) versus no revascularization are outdated with the recent advancement in medical therapy. Over the years, myocardial perfusion imaging (MPI) has played a significant role in detecting is
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Lu, Linda C., and Juergen H. Bludau. Alzheimer’s Disease. ABC-CLIO, LLC, 2011. http://dx.doi.org/10.5040/9798400609619.

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This book provides a comprehensive overview of Alzheimer’s disease, including information on the affliction’s history, diagnosis, and effects on family members. Alzheimer’s disease is a vastly underrecognized disease that primarily appears in patients age 65 and older. It affects the entire family of those afflicted and has a tremendous impact on our health care system—the Alzheimer’s Association estimates the cost of treating this form of dementia at $172 billion annually in the United States. Current treatment with medications has only limited success. Therefore, awareness of symptoms—which
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Book chapters on the topic "High current stress"

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Zhang, Qian, Zuoqin Qian, Qiang Wang, and Xinyu Wang. "Research on the Design and Verification Process of Mechanical Penetrations in Reactor Compartment." In Lecture Notes in Mechanical Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-1876-4_29.

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AbstractMechanical penetrations, as important pressure pipelines penetrating the reactor compartment, withstand high temperatures and pressures. The current complete design and verification process for mechanical penetrations. This article focuses on the problem of stress concentration and easy damage of the penetration components in the reactor compartment under high temperature and high pressure environment. Combining with the existing regulations of nuclear power plants and ships, finite element analysis method is used to analyze the stress of the penetration components under specific high
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Groos, G., N. Jensen, M. Denison, and M. Stecher. "Simulation of the Cross-Coupling among Snap Back Devices under Transient High Current Stress." In Simulation of Semiconductor Processes and Devices 2004. Springer Vienna, 2004. http://dx.doi.org/10.1007/978-3-7091-0624-2_48.

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Yucel, Zeliha, and E. Berrin Yuksel. "The Genetics of Diabetic Neuropathy." In Current Perspective on Diabetes Mellitus in Clinical Sciences. Nobel Tip Kitabevleri, 2023. http://dx.doi.org/10.69860/nobel.9786053359111.39.

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Diabetic neuropathy, a common complication of diabetes mellitus (DM), involves nerve damage resulting from prolonged exposure to high blood sugar levels. Genetic factors play a crucial role in influencing susceptibility to this condition. Variations in genes related to nerve structure and function, inflammatory responses, and metabolic processes have been implicated in diabetic neuropathy. For instance, polymorphisms in the gene encoding protein kinase C beta (PKC-β) contribute to increased vulnerability by promoting oxidative stress and inflammation in nerve tissues. Similarly, genetic variat
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Kuo, Ming, Michael Barnes, and Cathy Jordan. "Do Experiences with Nature Promote Learning? Converging Evidence of a Cause-And-Effect Relationship." In High-Quality Outdoor Learning. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-04108-2_3.

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AbstractDo experiences with nature—from wilderness backpacking, to plants in a preschool, to a wetland lesson on frogs, promote learning? Until recently, claims outstripped evidence on this question. But the field has matured, not only substantiating previously unwarranted claims but also deepening our understanding of the cause-and-effect relationship between nature and learning. Hundreds of studies now bear on this question, and converging evidence strongly suggests that experiences of nature boost academic learning, personal development, and environmental stewardship. This brief integrative
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García-Caparrós, Pedro. "Breeding for Yield Quality Parameters and Abiotic Stress in Tomato Using Genome Editing." In A Roadmap for Plant Genome Editing. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-46150-7_23.

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AbstractGrowing tomatoes is an important aspect of agriculture around the world because of the positive effects it has on people’s health and the economy. Tomato breeders and growers have always been inspired by the market’s insatiable desire for high-yielding and high-quality tomatoes. Crop production, yield, and quality are all negatively affected by abiotic stress, which includes factors like drought, salinity, heat, and cold. As climate change alters weather patterns throughout the world, farmers around the world are increasingly worried about the effects of abiotic stress on their tomato
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Xi, Qie, Zhihao Zhao, Jianping Lin, Yao Xiao, and Junying Min. "Fabrication of Functionally Graded NiTi Alloy with Large Stress Windows and High Cyclic Stability by Direct Current Heat Treatment." In Springer Proceedings in Physics. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-3530-3_6.

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Kilic, Nuray. "The Hyperglycemic Hyperosmolar State." In Current Perspective on Diabetes Mellitus in Clinical Sciences. Nobel Tip Kitabevleri, 2023. http://dx.doi.org/10.69860/nobel.9786053359111.17.

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The hyperglycemic hyperosmolar state (HHS) is a life-threatening medical emergency characterized by severe hyperglycemia, hyperosmolality, and dehydration in individuals with type 2 diabetes mellitus. Unlike diabetic ketoacidosis (DKA), which is more common in type 1 diabetes, HHS typically occurs in older adults with type 2 diabetes who have significant insulin resistance, though it can also occur in type 1 diabetes under certain conditions. The pathogenesis of HHS involves a relative insulin deficiency combined with high levels of counterregulatory hormones such as glucagon, cortisol, and ca
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Yuan, Xin’an, Wei Li, Jianming Zhao, Xiaokang Yin, Xiao Li, and Jianchao Zhao. "Inspection of Both Inner and Outer Cracks in Aluminum Tubes Using Double Frequency Circumferential Current Field Testing Method." In Recent Development of Alternating Current Field Measurement Combine with New Technology. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-4224-0_4.

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AbstractAluminum and alloy tubes are widely used in industrial fields because of the advantage of good corrosion resistance, high thermal conductivity and light weight. Due to the stress corrosion cracking (SCC) and fatigue corrosion cracking (FCC), both inner and outer cracks generates in the aluminum tube. It is still a challenge to inspect all inner and outer surface cracks in the thick-wall aluminum tube in real time by one scan using the nondestructive testing (NDT) method. A double frequency circumferential current field testing (CCFT) method is presented for the inspection of both inner
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Krafft, Andreas M., JohnBosco Chika Chukwuorji, Rajneesh Choubisa, et al. "Mastering the COVID-19 Pandemic Crisis: From Anxiety to Hope." In Hope across cultures. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-24412-4_9.

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AbstractThis chapter presents selected results of the Hope Barometer survey during the pandemic years of 2020 and 2021. Against the background of the intense feelings of stress and anxiety in these times of crisis, we first review current theories on psychological stress and coping, present results of our empirical studies during the pandemic and then focus on the role and importance of hope in relation to positive coping styles, well-being, and stress-related personal growth. A central aim of our research is to investigate the role of culture in the perception of stress and hope (as the count
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Thierfelder, Christian, and Peter Steward. "Increasing adaptation to climate stress by applying conservation agriculture in Southern Africa." In Conservation agriculture in Africa: climate smart agricultural development. CABI, 2022. http://dx.doi.org/10.1079/9781789245745.0016.

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Abstract Climate change and soil fertility decline are threatening food security in southern Africa and efforts have been made to adapt current cropping systems to the needs of smallholder farmers. Conservation Agriculture (CA) based on minimum soil disturbance, crop residue retention and crop diversification has been proposed as a strategy to address the challenges smallholder farmers face. Here we analyse the potential contributions of CA towards adaptation to the effects of climate change by summarizing data on infiltration, soil moisture dynamics and crop productivity under heat and drough
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Conference papers on the topic "High current stress"

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Gupta, Amratansh, Hao Yu, Sachin Yadav, et al. "Physical Insights into High Current Collapse under ON-state Stress in RF GaN HEMTs." In 2025 IEEE International Reliability Physics Symposium (IRPS). IEEE, 2025. https://doi.org/10.1109/irps48204.2025.10983392.

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S., Vinu Varshath, and Kumaravel S. "Dual Switch Switched Inductor-Capacitor Network-Based High Gain DC-DC Converter with Reduced Switch Current Stress and Continuous Input Current." In 2024 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES). IEEE, 2024. https://doi.org/10.1109/pedes61459.2024.10960863.

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Subramanian, Karthik H., Bruce J. Wiersma, and Philip E. Zapp. "Current Corrosion Issues in Radioactive High Level Waste Tanks." In CORROSION 2008. NACE International, 2008. https://doi.org/10.5006/c2008-08595.

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Abstract Radioactive waste primarily containing sodium nitrate, nitrite, and hydroxide is stored in underground storage tanks at the Department of Energy (DOE) Savannah River Site (SRS). A comprehensive structural integrity program which includes chemistry controls, is in place to preclude any consequential corrosion in these waste tanks to maintain safe storage of the waste. The current chemistry control program places temperature limits on solutions containing low levels of nitrate (expected to prevent caustic stress corrosion cracking (CSCC) when hydroxide is present. However, during a slud
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Congleton, J., and R. N. Parkins. "Stress Corrosion Cracking of Steel in High Temperature Water." In CORROSION 1987. NACE International, 1987. https://doi.org/10.5006/c1987-87105.

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Abstract In an attempt to elucidate the mechanism of cracking for RPV steels in high temperature water, slow strain rate tests and polarization measurements have been made in a series of Fe-C-Mn-X alloys, where X was either Cr, Ni, Mo or Si (typical alloying elements for RPV steels) and on some relevant commercial alloys. The slow strain rate tests were performed in 250°C water at a series of applied potentials. On the criteria of the minimum potential at which cracking will occur, nickel and chromium retard cracking whereas molybdenum enhances cracking. The mechanism of cracking is discussed
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Kanazawa, Y., and M. Tsubota. "Stress Corrosion Cracking of Cold Worked Stainless Steel in High Temperature Water." In CORROSION 1994. NACE International, 1994. https://doi.org/10.5006/c1994-94237.

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Abstract The stress corrosion cracking (SCC) susceptibility of cold worked stainless steels in 288 C water containing a slight amount of chloride ion was studied by creviced bent beam (CBB) test. The SCC susceptibility tends to increase with cold work ratio. The relationship between the SCC susceptibility and mechanical property was examined, and «it was clarified that SCC occurred above a certain hardness. The polarization curves of cold worked stainless steel were measured in 5% sulfuric acid at 30 C, and it was recognized that the current density of passive region increased with a cold work
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Andresen, Peter L. "Stress Corrosion Cracking of Current Structural Materials in Commercial Nuclear Power Plants." In CORROSION 2012. NACE International, 2012. https://doi.org/10.5006/c2012-01929.

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Abstract This paper summarizes the structural materials used in light water reactors (LWRs), their historical degradation evolution vs. time, improvements and subsequent vulnerabilities discovered, and possible future degradation phenomena over long-term operation. Little was known about high temperature water environments 50+ years ago, and reasonable but inadequate judgments were made on structural materials based partly on simple, short term tests and partly on intuition of low temperature corrosion phenomena. A steady evolution and improvement in structural materials occurred, especially o
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Bergman, Gunnar. "Unexpected Stress Corrosion Failures of High Quality FRP Process Equipment." In CORROSION 2004. NACE International, 2004. https://doi.org/10.5006/c2004-04611.

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Abstract Three unexpected failures of FRP components used in different environments have been investigated. The results showed that all the failures had occurred because of glass-fiber-related stress-corrosion cracking. The first occurred in a PVDF-lined FRP piping located between the mixer and the inlet to a chlorine-dioxide-stage bleach tower in a pulp mill. The line broke in a catastrophic manner after only about six years of service. The second case refers to FRP piping for hydrochloric acid in a chemical plant. In total, about 12 km of FRP piping is used for hydrochloric acid services in
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Cassagne, Thierry, Dominique Thierry, Hervé Marchebois, and Flavien Vucko. "Hydrogen Stress Cracking Resistance of High Strength Alloys for Subsea Fasteners." In CORROSION 2021. AMPP, 2021. https://doi.org/10.5006/c2021-16709.

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Abstract Sacrificial aluminum-indium anode cathodic protection is commonly used for protecting offshore and subsea structures. As a consequence, all metallic fasteners are hydrogen charged under high tensile stresses at the thread roots. This means that material selection must prevent the occurrence of hydrogen stress cracking (HSC) under these conditions. For most equipment where low strength fasteners are sufficient a low alloy steel can be used provided a maximum yield strength and hardness are specified. When higher strength fasteners are required, low alloy steels must be replaced by corr
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Rhodes, P. R., L. A. Skogsberg, R. Schofield, R. D. Kane, and E. A. Trillo. "Effect of High Pressure Methane on Stress Corrosion Susceptibility of Casing Steels." In CORROSION 2007. NACE International, 2007. https://doi.org/10.5006/c2007-07110.

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Abstract Thermodynamic calculations show that the H2S solubility in aqueous solution, at a given H2S partial pressure, will be significantly reduced, compared to ambient pressure values, when exposed to high pressure CH4. This reduced H2S solubility suggests that current laboratory-based limits on the H2S partial pressure, PH2S, may be excessively high for use of low alloys steels and corrosion resistant alloys in high pressure gas and oil wells. Laboratory tests at lower PH2S, but with the aim of matching the H2S concentration to the calculated field value, have been proposed. The results of
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Macdonald, Digby D. "Fate of the Coupling Current in Stress Corrosion Cracking - Mechanistic and Corrosion Control Implications." In CORROSION 2004. NACE International, 2004. https://doi.org/10.5006/c2004-04570.

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Abstract Strong coupling between the cavity (crack, pit, or crevice) internal and external surfaces, as required by the differential aeration hypothesis for localized corrosion, has been observed in stress corrosion cracking in a variety of systems, including IGSCC in sensitized Type 304 SS in simulated BWR coolant environments at 288°C, IGSCC in the same sensitized alloy in thiosulfate solutions at ambient temperature, and caustic cracking in AISI 4340 high strength steel at 70°C. Coupling is manifest as a current flowing from the crack to the external surfaces, where it is consumed by the re
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Reports on the topic "High current stress"

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Parkins, R. NR199001A Current Status of Modeling Stress Corrosion Cracking of High Pressure Gas Transmission Pipelines. Pipeline Research Council International, Inc. (PRCI), 1990. http://dx.doi.org/10.55274/r0011393.

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Hayford. L51566 Ultralow Frequency Eddy Current Instrument for the Detection and Sizing of Stress Corrosion Cracks. Pipeline Research Council International, Inc. (PRCI), 1988. http://dx.doi.org/10.55274/r0010601.

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Eddy current testing has received only limited application to ferrous materials because the high permeability of the material in combination with the normally high frequency of the eddy current instrument results in a very small depth of penetration of the eddy currents into the material. The objectives of this research program were threefold. The first goal was to develop an eddy current instrument with frequencies low enough to penetrate pipeline steel. The second was to use the new instrument to develop techniques for locating stress corrosion cracks (SCC) on coated pipelines without requir
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Dabkowski, John. PR-151-634-R01 Power Line Fault Current Coupling Pipeline Coating Impedance. Pipeline Research Council International, Inc. (PRCI), 1988. http://dx.doi.org/10.55274/r0011923.

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Research into the induction and conduction coupling response of a pipeline co-located with an electric power transmission line to assess the high voltage coupling response under fault conditions. Capacitive discharge tests were performed on primarily fusion bonded epoxy and coal tar enamel coatings containing discrete individual holidays (circa 1985). A pipeline coating response model to high voltage stress was developed, but questions arose within the pipeline community as to the veracity of capacitate discharge coating testing when the coupling was from overhead alternating current electric
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Parkins. L51623 Environment Sensitive Cracking (Low pH Stress-Corrosion Cracking) of High Pressure Pipelines. Pipeline Research Council International, Inc. (PRCI), 1990. http://dx.doi.org/10.55274/r0010308.

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This is a review of the current situation relating to transgranular environment sensitive cracking of the type experienced on an in-service pipeline, by comparison with the commoner intergranular cracking experienced on many systems. It is probable that the cracking is not unique. Quite apart from the crack paths, there are other significant differences between the conditions in which the two types of cracking occur, particularly in relation to the environments involved, and sufficiently so to indicate that the mechanisms of cracking are different. The circumstances in which the two types of e
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Kiefner, Maxey, and Eiber. L51607 Pipeline Coating Impedance Effect on Powerline Fault Current Coupling. Pipeline Research Council International, Inc. (PRCI), 1989. http://dx.doi.org/10.55274/r0010294.

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Prior research leading to the development of predictive electromagnetic coupling computer codes has shown that the coating conductance is the principal factor in determining the response of a pipeline to magnetic induction transmission line. Under power line fault conditions, a high voltage may stress the coating causing a significant change in its conductance, and hence, the coupling response. Based upon laboratory experimentation and analysis, a model has been developed which allows prediction of the modified coating characteristics when subjected to high voltages during fault situations. Th
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Jablonski, David. DTRT57-09-C-10046 Digital Imaging of Pipeline Mechanical Damage and Residual Stress. Pipeline Research Council International, Inc. (PRCI), 2010. http://dx.doi.org/10.55274/r0011872.

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The purpose of this program was to enhance the characterization of mechanical damage in pipelines through the application of digital eddy current imaging. Lift-off maps can be used to develop quantitative representations of mechanical damage and magnetic permeability maps can be used to determine residual stress patterns around mechanical damage sites. Note that magnetic permeability is also affected by microstructure variations due to plastic deformation and plowing. High-resolution digital images provide an opportunity for automated analysis of both size and shape of damage and a permanent a
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Cialone, H., D. N. Williams, and T. P. Groeneveld. L51621 Hydrogen-Related Failures at Mechanically Damaged Regions. Pipeline Research Council International, Inc. (PRCI), 1991. http://dx.doi.org/10.55274/r0010313.

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Leaks attributed to hydrogen-stress cracking (HSC) initiating in regions of mild mechanical damage have been reported in cathodically protected pipe lines constructed from high-strength, microalloyed, controlled-rolled steels. The hydrogen is believed to be present in service from the cathodic potential applied. Laboratory studies were initiated to determine the factors that contributed to those unexpected failures. Strain aging at ambient temperatures as a result of deformation introduced during the mechanical damage, was found to be a significant factor. Smooth-bar specimens that were strain
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Ramsingh and Revie. L51911 Conditions that Lead to the Generation of Stress Corrosion Cracking Environments - A Review. Pipeline Research Council International, Inc. (PRCI), 2000. http://dx.doi.org/10.55274/r0010180.

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Current knowledge of the conditions leading to generation of environments that cause stress corrosion cracking (SCC) of high-pressure pipelines was reviewed, and a database of references was compiled. In addition to the surface preparation of the steel pipe and the type of coating that is used, the level of cathodic protection (CP) reaching the pipe surface and the partial pressure of CO2 in the ground water are important factors. The balance between the level of CP reaching the surface and the CO2 partial pressure in the ground water is critical in determining the pH at the steel surface, and
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Alders, George. L51630A In-Line Detection and Sizing of Stress Corrosion Cracks Using EMAT Ultrasonics - Phase II. Pipeline Research Council International, Inc. (PRCI), 1991. http://dx.doi.org/10.55274/r0011370.

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This report covers that part of a Phase II effort that was completed by Magnasonics, Inc. prior to its liquidation by an adverse court ruling. The Phase I program investigated several configurations of Electromagnetic Acoustic Transducers (EMAT5) to arrive at an optimum approach to the problem of detecting and sizing stress corrosion cracks (SCC) in operating pipelines. Phase II was designed to optimize the most promising configuration by applying it to as many pipe samples as possible. Three pipe samples that contained several colonies of 5CC were made available to Magnasonics and a computeri
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Patel, Reena. Complex network analysis for early detection of failure mechanisms in resilient bio-structures. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/41042.

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Bio-structures owe their remarkable mechanical properties to their hierarchical geometrical arrangement as well as heterogeneous material properties. This dissertation presents an integrated, interdisciplinary approach that employs computational mechanics combined with flow network analysis to gain fundamental insights into the failure mechanisms of high performance, light-weight, structured composites by examining the stress flow patterns formed in the nascent stages of loading for the rostrum of the paddlefish. The data required for the flow network analysis was generated from the finite ele
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