Academic literature on the topic 'Sharp stress reaction'

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Journal articles on the topic "Sharp stress reaction"

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К.В., Седих, та Клименко Ю.О. "ПСИХОЛОГІЧНІ ОСОБЛИВОСТІ СТРЕСОВОГО РОЗЛАДУ В УЧАСНИКІВ ВСЕУКРАЇНСЬКОГО МАЙДАНУ". Вісник Харківського національного педагогічного університету імені Г.С. Сковороди "Психологія", № 52 (15 січня 2016): 316–24. https://doi.org/10.5281/zenodo.44827.

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The article deals with psychological features and signs of posttraumatic stress disorders and sharp stress reactions; problems of social psychological adaptation of military men. It is described the experience of using rehabilitation program for the participant of all Ukrainian Maidan.
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Малыгин, Г. А., В. И. Николаев, В. М. Крымов, С. А. Пульнев та С. И. Степанов. "Межфазные напряжения и аномальный вид кривых псевдоупругой деформации в кристаллах сплава Ni-=SUB=-49-=/SUB=-Fe-=SUB=-18-=/SUB=-Ga-=SUB=-27-=/SUB=-Co-=SUB=-6-=/SUB=-, деформированных сжатием в направлении оси [011]-=SUB=-A-=/SUB=-". Журнал технической физики 89, № 6 (2019): 873. http://dx.doi.org/10.21883/jtf.2019.06.47634.356-18.

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AbstractWe have performed experimental and theoretical investigation of the anomalous form of the compression diagrams and shape memory restoration curves in Ni_49Fe_18Ga_27Co_6 alloy crystals deformed by uniaxial compression along the [011]_ A crystallographic direction ( A -austenite) in the temperature range of 200–350 K. It is found that in the investigated temperature range, all compression diagrams contain anomalous segments of smooth and sharp decrease in deforming stresses. It is shown that the segments of a smooth decrease in stress are associated with peculiarities in martensite reac
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Nuzhyna, Nataliia, and Olga Gaidarzhy. "RESISTANCE OF NERIUM OLEANDER L. TO SHARP HYPO- AND HYPERTHERMIA." Bulletin of Taras Shevchenko National University of Kyiv. Series: Biology 97, no. 2 (2024): 28–33. http://dx.doi.org/10.17721/1728.2748.2024.97.28-33.

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B a c k g r o u n d . Global climate changes have a negative impact on the life of native plants, reducing biodiversity. But on the other hand, the increase in average annual temperature causes the natural migration of species and can make it possible to grow plants from warmer climatic zones, which are not yet widely cultivated in Ukraine. One of these plants is the valuable medicinal and highly decorative plant Nerium oleander L. The purpose of this work was to investigate the resistance of N. oleander plants to sharp hyperthermia and hypothermia. The obtained data can be used for the potent
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Kaur, Aparjot, and S. K. Thind. "Cytokinins along with Osmoprotectant Trehalose Overcome the Deleterious Effect of Drought Stress on Wheat." International Journal of Environment and Climate Change 13, no. 10 (2023): 3770–81. http://dx.doi.org/10.9734/ijecc/2023/v13i103050.

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Experiment was conducted to evaluate, how the foliar application of trehalose (tre) along with kinetin (kn) and benzyl adenine (BA) affect the wheat genotypes (HD2967, PBW660 and WH1105) under drought stress conditions. Trehalose, Kn and BA tested in laboratory studies for their best concentrations, were applied in field grown wheat under drought. Presently, significant reduction was observed in leaf area, relative growth, Hill reaction and harvest index and sharp increase was recorded in concentration of non-enzymatic antioxidants constituents at both stages except reduced ascorbic acid conte
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Brückner, W., W. Pitschke, S. Baunack, and J. Thomas. "Mechanical Stress, Grain-boundary Relaxation, and Oxidation of Sputtered CuNi(Mn) Films." Journal of Materials Research 14, no. 4 (1999): 1286–94. http://dx.doi.org/10.1557/jmr.1999.0175.

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This paper focuses on understanding stress development in CuNi42Mn1 thin films during annealing in Ar. In addition to stress-temperature measurements, resistance-temperature investigations and chemical and microstructural characterization by Auger electron spectroscopy, scanning and transmission electron microscopy, x-ray diffraction, and atomic force microscopy were also carried out. The films are polycrystalline with a grain size of 20 nm up to 450 °C. To explain the stress evolution above 120 °C, atomic rearrangement (excess-vacancy annihilation, grain-boundary relaxation, and shrinkage of
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Zlobina O. W., Pakhomy S. S., Bugaeva I. O., Ivanov A. N., Moskvina A. O., and Kostromina E. M. "Reactivity of stress-implementing system under conditions of light regime change in experiment." Optics and Spectroscopy 130, no. 6 (2022): 705. http://dx.doi.org/10.21883/eos.2022.06.54707.35-22.

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Influence of light exposure duration (model 18:6) on hormonal indices of stress-implementing system in laboratory animals blood is studied. Activity of stress systems central link was evaluated based on data on concentration of adrenocorticotrophic hormone, melatonin and β-endorphin in blood serum, observed during enzyme immunoassay. Reaction of peripheric link of the stress-implementing system was evaluated in blood smears based on results of qualitative count of catecholamine granules in erythrocytes. It was established, that variations of hormonal indices of the stress systems for laborator
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Kondashevskaya, M. V., K. A. Artem’eva, M. A. Kozlova, D. A. Areshidze, and L. V. Kaktursky. "MINUSES AND UNEXPECTED ADVANTAGES OF THE OLD WISTAR RATS’ BODY REACTION AT MODELING POST-TRAUMATIC STRESS DISORDER." Доклады Российской академии наук. Науки о жизни 512, no. 1 (2023): 486–94. http://dx.doi.org/10.31857/s268673892360036x.

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Old Wistar rats exhibit the same general signs of a PTSD-like condition as young animals, when modeling post-traumatic stress disorder (PTSD). At the same time, a number of behavioral features, psycho-emotional manifestations and myocardial state were revealed in old rats. For the first time, it was found a sharp rise in the level of circulating testosterone, which contributes to a more rapid decision on the direction of movement in the labyrinth space under stress in old rats, in contrast to young ones. The index of the ratio of testosterone to corticosterone levels can serve as a guideline f
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Ravindra, Kannojiya, Shukla Akshat, Jain Mohit, Kaintura Sarthak, and Bachchan Aditya. "Performance Assessment of Stress Concentration Reduction Methods in Mild Steel Transmission Shaft." International Journal of Engineering and Advanced Technology (IJEAT) 9, no. 3 (2020): 4072–76. https://doi.org/10.35940/ijeat.C5528.029320.

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A shaft is subjected to tensile stress, compressive stress, torsional force and bending moment due to reaction on the components. The stress distribution in a shaft can be is similar to the flow of fluid in a channel. So, it is perfectly logical to use the fluid analogy to understand the phenomenon of stress concentration. When the cross section is uniform the flow is uniform whereas if there is a sudden change in the cross section then the velocity increases to keep the flow rate constant .The same phenomenon is observed in the shaft i.e. when the cross section of the shaft is uniform through
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Puntarulo, Susana. "Effect of oxidative stress during imbibition of soybean embryonic axes." Proceedings of the Royal Society of Edinburgh. Section B. Biological Sciences 102 (1994): 279–86. http://dx.doi.org/10.1017/s026972700001424x.

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SynopsisBoth respiration and generation by soybean embryonic axes showed a sharp increase upon germination, leading to a significant increase in the steady-state concentration of and H2O2 after 6 h of imbibition. An assay was developed to assess in vivo generation of reactive oxygen species, based upon DCFH-DA oxidation. Fluorescence of the external medium was dependent on reaction time and axes number and was inhibited by catalase.α-Tocopherol content declined significantly after 24 h of incubation, as compared to the content at the onset of germination. Incubation in the presence of redox cy
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Basova, Yevheniia, Sergey Dobrotvorskiy, and Ihor Yakovenko. "MODELLING CHANGES IN THE PRODUCTION COMPONENT OF FLEXIBILITY OF MANUFACTURING SMALL AND MEDIUM-SIZED MACHINE-BUILDING ENTERPRISES UNDER CONDITIONS OF SHARP FLUCTUATIONS IN MARKET SUPPLY AND DEMAND." Bulletin of the National Technical University «KhPI» Series: Engineering and CAD, no. 2 (December 28, 2024): 6–13. https://doi.org/10.20998/2079-0775.2024.2.01.

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The paper proposes an enlarged model in the form of an integral functional of enterprise flexibility, which describes the stability of small and medium-sized machine-building enterprises in the conditions of stress factor - fluctuations in supply and demand. This model allows the reduction of the reaction time of enterprise management to negative external factors and to predict the need for management decisions on resource allocation and innovation to minimize the time to restore the stability of machine-building enterprise functioning in new production realities under changes in the market. B
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Book chapters on the topic "Sharp stress reaction"

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Corcoran, Jacqueline, and Courtney Benjamin Wolk. "Trauma- and Stressor-Related Disorders." In Child and Adolescent Mental Health in Social Work. Oxford University PressNew York, 2023. http://dx.doi.org/10.1093/oso/9780197653562.003.0013.

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Abstract The stressor and trauma-related disorders in the Diagnostic and Statistical Manual of Mental Disorders include stress and trauma disorders, reactive attachment disorder, disinhibited social engagement disorder, acute stress disorder, and adjustment disorders. This chapter concentrates on post-traumatic stress disorder (PTSD) for the most part, and, at the end of the chapter, a case on adjustment disorder, a diagnosis that is given to many youths seen in outpatient care, is presented. Although most youths experience trauma, only a small proportion develop PTSD. Risk and protective fact
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Blini, Elvio, Alessandro Farnè, Claudio Brozzoli, and Fadila Hadj-Bouziane. "Close is better." In The World at Our Fingertips. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780198851738.003.0003.

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The neuroscientific approach to peripersonal space (PPS) stems directly from electrophysiological studies assessing the response properties of multisensory neurons in behaving non-human primates. This multisensory context fostered frameworks which i) stress the PPS role in actions (including defensive reactions) and affordances, which are optimally performed through multiple sensory convergence; and ii) largely make use of tasks that are multisensory in nature. Concurrently, however, studies on spatial attention reported proximity-related advantages in purely unisensory tasks. These advantages
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Hua, Cheng. "Drugs For Relapse Prevention in Addiction: Review of Psychological and Neurological Factors, Genetics and Neurobiological Mechanisms." In Frontiers in Clinical Drug Research - CNS and Neurological Disorders. BENTHAM SCIENCE PUBLISHERS, 2023. http://dx.doi.org/10.2174/9789815123319123110004.

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Behavioral and substance addictions share more similarities than differences in etiological, phenomenological, and clinical presentations. Interactions between the variables of predisposing (i.e., neurobiological and psychological constitutions) and moderating (i.e., coping style and cognitive and attentional biases), as well as variables of mediating (i.e., affective and cognitive reactions to situational triggers) in combination with reduced inhibitory control may accelerate or reduce the developing of specific versions of model for addictive behaviors. Around 50% individuals’ variability in
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Helal, Mohamed, Sara Ghanem, and Amany El-Sikaily. "Impact of PCBs, Furan and Dioxin on Hepatocarcinogenesis." In Persistent Organic Pollutants (POPs): Monitoring, Impact and Treatment [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.101526.

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Stockholm Convention defined polychlorinated biphenyls (PCBs) as a group of persistent organic pollutants (POPs) such as dioxin/furan, dichlorodiphenyltrichloroethane, polychlorinated biphenyls, polychlorinated dibenzo-p-dioxins, aldrin, polychlorinated dibenzofurans and organometallic compounds (such as organotin and organomercury) which share the same characteristics of being persistent, bioaccumulative and toxic and can travel long distance through various media. They have diverse health impacts with different underlined molecular mechanisms. Recently, PCBs were referred as potent carcinoge
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Griffiths, Paul. "‘Manifestaccon’." In Information, Institutions, and Local Government in England, 1550-1700. Oxford University PressOxford, 2024. http://dx.doi.org/10.1093/oso/9780192896261.003.0003.

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Abstract ‘Manifestaccon’ was the visual representation of government, authority, and ethics in public for people to see, read, and assimilate. It was a statement of ‘civill government’ and the ‘publique good’ seen, for example, in ‘skarlett dayes’ when towns went on parade, eye-catching civic clothing and maces, and in material environments—market squares, buildings, streets, walls, crosses, and conduits. It was intended to display honour, but ‘manifestaccon’ was double-edged and vulnerable because its success depended on reactions of ‘the eye-beholder’ or public audiences. The intrinsic tensi
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Stephany, Kathleen. "Trauma Recovery from a Positive Psychology and Post-Traumatic Growth Perspective." In Trauma-informed Care for Nursing Education: Fostering a Caring Pedagogy, Resilience & Psychological Safety. BENTHAM SCIENCE PUBLISHERS, 2024. http://dx.doi.org/10.2174/9789815223767124010008.

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The aim of Chapter Four is to demonstrate that living a better life after adversity is possible when adequate support is offered. Therefore, positive psychology and post-traumatic growth are two recovery-focused trauma-informed approaches that are highly recommended to help people who have experienced adversity. Positive psychology studies human well-being and optimal functioning. Post-traumatic growth refers to positive changes in someone’s coping that occur from sorting through their experience of trauma. Three different responses to traumatic stress are explained. For instance, certain peop
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Conference papers on the topic "Sharp stress reaction"

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Jones, R. H., C. H. Henager, C. A. Lewinsohn, and C. F. Windisch. "Comparison of Interphase Removal and Oxidation Embrittlement Mechanisms of Subcritical Crack Growth in SiC/SiC Composites." In CORROSION 1998. NACE International, 1998. https://doi.org/10.5006/c1998-98265.

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Abstract Ceramic matrix composites are being developed to operate at elevated temperatures and in oxidizing environments. Considerable improvements are being made in the creep resistance of SiC fibers and hence in the high-temperature properties of SiC/SiC composites; however, more needs to be known about the stability of these materials in oxidizing environments before they become widely accepted. Experimental weight loss and crack growth data supports the conclusion that O2 enhanced crack growth of SiC/SiC occurs by more than one mechanism depending on the experimental conditions. An oxidati
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Nakanishi, Koki, Yasuhiro Tanaka, Kazuo Yoshida, Guen Nakayama, and Masatsune Akashi. "Stress-Corrosion Crack Initiation Behavior of Carbon Steel in Simulated BWR Environment." In CORROSION 1994. NACE International, 1994. https://doi.org/10.5006/c1994-94156.

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Abstract Carbon steels and low-alloy steels are said to possess, even though susceptible to stress-corrosion cracking themselves, conspicuously longer life than weld-sensitized Type 304 stainless steels in actual boiling water reactor (BWR) primary coolant environments of high-temperature, high-purity water containing some dissolved oxygen. This has been examined for a carbon steel pipe material and its weld by conducting uniaxial constant-load tests as a laboratory accelerated test. By statistically analyzing the distribution of stress-corrosion cracking lifetimes and metallographically exami
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Karis, T. E., and M. D. Carter. "Oxidation Chemistry of Primary and Secondary Antioxidants." In World Tribology Congress III. ASMEDC, 2005. http://dx.doi.org/10.1115/wtc2005-63592.

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Inhibition of oil oxidation is the key to long life of synthetic lubricants operating in thermal stress and boundary lubrication environments [1]. Bench-scale tests to screen oil formulations provide a rapid means for optimizing formulations prior to longer running verification tests done with the oil in the end-use application [2]. The ultimate goal of accelerated oil life tests is to link the sample combustion temperature, or induction time, at a given heating rate, or temperature, to the estimated lifetime under normal use temperatures. A first order reaction model has recently been employe
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Neupane, Sunil, Samer Adeeb, Roger Cheng, and Joe Zhou. "Modeling Approaches for Anisotropic Material Properties of High Strength Steel Pipelines and the Effect on Differential Settlement." In 2010 8th International Pipeline Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/ipc2010-31206.

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High strength steel (HSS) pipelines exhibit anisotropic behavior; the yield stress in the circumferential direction is higher than the yield stress in the longitudinal direction. In addition, the shape of the stress vs. strain curve is distinctly different. The circumferential stress vs. strain curve has a sharp yield point, while there is no distinct yield point in the longitudinal direction. Most of the research done in the past on the behavior of high strength steel was based on the isotropy assumption. The material behavior of high strength steel pipelines cannot be satisfactorily modeled
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Safaei, Mohsen, and Steven R. Anton. "Sensing and Energy Harvesting Performance, and Fatigue Life of Embedded Piezoelectric Transducer in Total Knee Arthroplasty." In ASME 2016 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/smasis2016-9216.

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Growing demands for Total Knee Arthroplasty (TKA) and also total knee revision surgery combined with the cost, risk, and complication of the surgery have led to numerus attempts to improve surgical techniques, implant design, and postoperative orthopedic therapies. Although abundant information about knee function and reaction forces and moments have been provided by researchers through biomechanical models, cadaver testing, in-vitro testing, and limited in-vivo measurements, rigorous real-time in-vivo data from knee implants is still required to improve the performance of TKAs. Instrumented k
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Goncharova, Irina, Boris Galanov, Mykola Iefimov, and Vadim Tsivilitsin. "On the crack resistance of ceramic composites based on silicon nitride." In IXth INTERNATIONAL SAMSONOV CONFERENCE “MATERIALS SCIENCE OF REFRACTORY COMPOUNDS”. Frantsevich Ukrainian Materials Research Society, 2024. http://dx.doi.org/10.62564/m4-ig1127.

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The work carried out a study of the crack resistance K₁c, calculated theoretically and experimentally determined during mechanical tests, for two systems of ceramic composite materials based on silicon nitride. 1. Electrical materials of the Si₃N₄–SiC system were obtained by reaction sintering. The grain size of the base (Si₃N₄) was 1-2 μm, the SiC additive varied in size from 1-5-120 μm and content of 0, 10, 20, 30%. 2. Structural materials of the Si₃N₄–TiN system were obtained by hot pressing. The grain size of the base (Si₃N₄) was 1-2 μm, TiN additive varied in size 1-5-30 microns and conte
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Stakhurlova, L. D., and I. D. Svistova. "Reaction of micromycetes of leached chernozem on the application of different forms of nitrogen fertilizers." In РАЦИОНАЛЬНОЕ ИСПОЛЬЗОВАНИЕ ПРИРОДНЫХ РЕСУРСОВ В АГРОЦЕНОЗАХ. Federal State Budget Scientific Institution “Research Institute of Agriculture of Crimea”, 2020. http://dx.doi.org/10.33952/2542-0720-15.05.2020.34.

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Application of nitrogen fertilizers did not significantly affect the number of micromycetes. The restructuring of the species structure of the mycobiome did not exceed the adaptive zone of “stress” – a change in the frequency of occurrence of typical species. Typical types of leached chernozem micromycetes include deuteromycetes of the genera Aspergillus, Penicillium, Trichoderma, Gliocladium, Humicola, Fusarium, zygomycetes (genus Rhizopus), ascomycetes (genera Thalaromyces, Chaetomium). On average, the density of dominant species of micromycetes increased by 20 %, which indicates the develop
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Zhang, Xuyang, Song Luo, Hongtan Liu, and Conghua Wang. "Numerical Studies of the Effectiveness of Electrodes With Conductive Dots in Flow Batteries." In ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-65931.

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In flow batteries generally the entire surface of the electrodes are conductive. Due to the highly corrosive nature of the electrolytes of many types of flow batteries there exists a dilemma in choosing electrode materials: highly corrosion resistant materials have very high cost and low cost materials have low corrosion resistance and thus low durability. To overcome this difficulty, a novel design of electrodes with conductive dots and corrosion resistant film is proposed [1]. Such electrodes can be made of low-cost base metals covered with corrosion resistant film and evenly distributed con
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Miller, Samuel J., and Hakan Ozaltun. "Evaluation of U10Mo Fuel Plate Irradiation Behavior via Numerical and Experimental Benchmarking." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-89588.

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This article analyzes dimensional changes due to irradiation of monolithic plate-type nuclear fuel and compares results with finite element analysis of the plates during fabrication and irradiation. Monolithic fuel plates tested in the Advanced Test Reactor (ATR) at Idaho National Lab (INL) are being used to benchmark the performance of proposed fuel for several high power research reactors. Post-irradiation metallographic images of plates sectioned at the mid-plane were analyzed to determine dimensional changes of the fuel and the cladding response. A constitutive model of the fabrication pro
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Kang, Ki Sig. "Heavy Components Replacement in Nuclear Power Plants: Guidelines and Experiences." In ASME 2010 Pressure Vessels and Piping Division/K-PVP Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/pvp2010-25875.

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Utilities are looking for ways to optimize plant lifetime, and must therefore prevent stress corrosion in primary components, while combating other phenomena, such as thermal fatigue or certain metallurgical weaknesses. The replacement of sections of the main primary system is one way of solving these problems. The increase in the number of the replacement of heavy components carried out in the reactor building on specific reactor geometries has called for major technical innovations on the replacement of heavy components. For above, the IAEA published a nuclear energy series (NES) on replacem
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