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Search results for: CYCLIC MECHANICAL STRESS
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International Journal of Manufacturing Materials and Mechanical Engineering
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Transactions of the Korean Society of Mechanical Engineers B
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Case Studies in Mechanical Systems and Signal Processing
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International Journal of Mechanical Engineering and Robotics Research
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Zhongguo Jixie Gongcheng/China Mechanical Engineering
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Journal of Advanced Mechanical Design Systems and Manufacturing
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Human Factors and Mechanical Engineering for Defense and Safety
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Mechanical properties of VL E27 steel for shipbuilding – tensile test in +20°C, specimens diameter 10 mm
Open Research DataOne of the basic divisions of steels used for ship hulls and ocean engineering structures is the division into: normal strength steels, high strength steels and extra high strength steels. The belonging to the group is determined by the mechanical properties of the steel, such as: yield point, ultimate strength and plastic elongation after fracture....
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Mechanical properties of VL E27 steel for shipbuilding – tensile test in +20°C, specimens diameter 14 mm
Open Research DataOne of the basic divisions of steels used for ship hulls and ocean engineering structures is the division into: normal strength steels, high strength steels and extra high strength steels. The belonging to the group is determined by the mechanical properties of the steel, such as: yield point, ultimate strength and plastic elongation after fracture....
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Mechanical properties of VL E27 steel for shipbuilding – tensile test in +20°C, specimens diameter 20 mm
Open Research DataOne of the basic divisions of steels used for ship hulls and ocean engineering structures is the division into: normal strength steels, high strength steels and extra high strength steels. The belonging to the group is determined by the mechanical properties of the steel, such as: yield point, ultimate strength and plastic elongation after fracture....
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Lifestyle Practices, Satisfaction with Life and the Level of Perceived Stress of Polish and Foreign Medical Students Studying in Poland
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Wave-induced stress and breaking of sea ice in a coupled hydrodynamic discrete-element wave–ice model
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Stress coping strategies and their clinical correlates in patients with psychosis at various stages of illness: A case‐control study
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High-normal blood pressure is associated with increased resting sympathetic activity but normal responses to stress tests
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Natural Quercetin Analogues Modulate Oxidative Stress Tolerance and Increase Lifespan Extension of S. cerevisiae ( proceeding)
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The Potential Mechanism of Tiliroside-Dependent Inhibition of t-Butylhydroperoxide-Induced Oxidative Stress in Endometrial Carcinoma Cells
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Maximum contact stress estimation on acetabular surface in total hip replacement using fuzzy reasoning system
PublicationArtykuł przedstawia rozmyty system wnioskowania dla oszacowania maksymalnego naprężenia kontaktowego na powierzchni panewki endoprotezy stawu biodrowego. Maksymalne naprężenie kontaktowe zostało określone na podstawie kąta Wiberga oraz masy ciała pacjenta.
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Cytotoxicity of RH1 and related aziridinylbenzoquinones: involvement of activation by NAD(P)H:quinone oxidoreductase (NQO1) and oxidative stress
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Endogenous Polyamines and Ethylene Biosynthesis in Relation to Germination of Osmoprimed Brassica napus Seeds under Salt Stress
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Neonatal excitotoxic ventral hippocampal damage alters dopamine response to mild repeated stress and to chronic haloperidol
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The influence of 9-day trekking in the Alps on the level of oxidative stress parameters and blood parameters in native lowlanders
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Yamogenin-Induced Cell Cycle Arrest, Oxidative Stress, and Apoptosis in Human Ovarian Cancer Cell Line
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Disorder of Biological Quality and Autophagy Process in Bovine Oocytes Exposed to Heat Stress and the Effectiveness of In Vitro Fertilization
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Force transfer and stress distribution in short cantilever deep beams loaded throughout the depth with a various reinforcement
PublicationDeep beams used as the main reinforced concrete structural elements which taking over the load and stiffening construction are often found in high-rise buildings. The architecture of these buildings is sometimes sophisticated and varied, arouse the admiration of the majority of recipients, and thus causing an engineering challenge to correctly design the structural system and force transfer. In such structures is important to shape...
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Discussion of “CPT Evaluation of Yield Stress Profiles in Soils” by Shehab S. Agaiby and Paul W. Mayne
PublicationVeryfication of the procedure to estimate overconsolidation ratio in sands using the results of mini-cone penetration tests in centrifuge.
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Non-coaxiality and stress-dilatancy rule in granular materials: FE-investigation within micro-polar hypoplasticity
PublicationW artykule przedstawiono wyniki numerycznej analizy nieosiowości i zasady naprężenie-dylatancja w materiałach granulowanych podczas ściskania dwuosiowego. Obliczenia wykonano przy zastosowaniu metody elementów skończonych i mikropolarnego modelu hipoplastycznego.
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The Influence of Calcium Glycerophosphate (GPCa) Modifier on Physicochemical, Mechanical, and Biological Performance of Polyurethanes Applicable as Biomaterials for Bone Tissue Scaffolds Fabrication
PublicationIn this paper we describe the synthesis of poly(ester ether urethane)s (PEEURs) by using selected raw materials to reach a biocompatible polyurethane (PU) for biomedical applications. PEEURs were synthesized by using aliphatic 1,6-hexamethylene diisocyanate (HDI), poly(ethylene glycol) (PEG), α,ω-dihydroxy(ethylene-butylene adipate) (Polios), 1,4-butanediol (BDO) as a chain extender and calcium glycerolphosphate salt (GPCa) as...
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Chemical-Assisted Mechanical Lapping of Thin Boron-Doped Diamond Films: A Fast Route Toward High Electrochemical Performance for Sensing Devices
PublicationThere is an urgent need for an effective and economically viable increase in electrochemical performance of boron-doped diamond (BDD) electrodes that are used in sensing and electrocatalytic applications. Specifically, one must take into consideration the electrode heterogeneity due to nonhomogenous boron-dopant distribution and the removal of sp2 carbon impurities saturating the electrode, without interference in material integrity....
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Endurance training upregulates the nitric oxide/soluble guanylyl cyclase/cyclic guanosine 3′,5′-monophosphate pathway in the striatum, midbrain and cerebellum of male rats
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Enhanced Mechanical and Electromechanical Properties of Compositionally Complex Zirconia Zr1–x(Gd1/5Pr1/5Nd1/5Sm1/5Y1/5)xO2−δ Ceramics
PublicationCompositionally complex oxides (CCOs) or high-entropy oxides (HEOs) are new multi-element oxides with unexplored physical and functional properties. In this work, we report fluorite structure derived compositionally complex zirconia with composition Zr1- x(Gd1/5Pr1/5Nd1/5Sm1/5Y1/5)xO2-δ (x = 0.1 and 0.2) synthesized in solid-state reaction route and sintered via hot pressing at 1350 °C. We explore the evolution of these oxides'...
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Recycling of Industrial Waste as Soil Binding Additives—Effects on Soil Mechanical and Hydraulic Properties during Its Stabilisation before Road Construction
PublicationTo improve the in situ soil stabilization, different chemical additives are used (ion exchange compounds, additives based on H2SO4 or vinyl polymers, and organic additives using lignosul- fonates). One interesting alternative is the production of additives from various waste materials. The extensive testing of waste-based blends with soil was performed; the mechanical (unconfined compressive strength (UCS)) and hydraulic (capillary...
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Changes of color coordinates of biological tissue with superficial skin damage due to mechanical trauma
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The structure and mechanical properties of AlMg5Si2Mn alloy after surface alloying by the use of fiber laser
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Chemical and Mechanical Pressure-Induced Photoluminescence Tuning via Structural Evolution and Hydrostatic Pressure
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Mechanical Behavior of Plastic Strips-Reinforced Expansive Soils Stabilized with Waste Marble Dust
PublicationExpansive soil needs to undergo treatment to be used as safe foundation soil for roads and buildings. From environmental conservation and economical point of view, the usage of agricultural and industrial wastes is the best option. In this study, the effects of utilizing plastic waste and marble waste dust on the engineering properties of expansive soils were examined. Various laboratory tests were carried out on sampled expansive...
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Evaluation of Influence of the Addition Nanofillers on the Mechanical and Thermal Properties Terpolymers Ester-Ether-Amide
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Triticale extrudates – Changes of macrostructure, mechanical properties and molecular water dynamics during hydration
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Application of mechanical Barkhausen noise in assessment of X20 steel properties after heat treatment
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Selected mechanical properties of steam kiln-dried wood determined on the basis of cutting power
PublicationW artykule przedstawiono wyniki wiązkości oraz naprężeń granicznych przy ścinaniu drewna suszonego z użyciem pary wodnej na podstawie zmierzonych wartości mocy skrawania. Badaniom poddawano próbki dębowe oraz sosnowe pochodzące z północnych regionów Pomorza. Wykazano, że przyspieszone suszenie drewna z użyciem pary wywołuje obniżenie badanych właściwości mechanicznych, które wyznaczano z wykorzystaniem współczesnej mechaniki pękania.
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Theoretical and mathematical models of the torque of mechanical losses in a hydraulic rotational motor for hydrostatic drive
PublicationW pracy przedstawiono modele teoretyczne i matematyczne momentu strat mechanicznych występujących w silniku hydraulicznym obrotowym o stałej teoretycznej chłonności qMt silnika na obrót wału (o stałej teoretycznej objętości roboczej VMt silnika) i o zmiennej chłonności qMgv = bM qMt na obrót wału (o zmiennej geometrycznej objętości roboczej VMgv silnika). Modele mają służyć badaniom laboratoryjnym i symulacyjnym strat energetycznych...
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Research and development in Department of Hydraulics and Pneumatics of the Faculty of Mechanical Engineering of Gdańsk University of Technology
PublicationW artykule przedstawiono aktualny stan prac badawczych prowadzonych w Katedrze Hydrauliki i Pneumatyki PG:- rozwój laboratorium badawczego,- prace nad nowym typem pomp wielotłoczkowych z rozrządem krzywkowym,- prace nad silnikami satelitowymi z kompensacją luzów osiowych,- stanowisko do badań silników zasilanych emulsją wodno-olejową,- badania zachowania układów hydraulicznych w niskiej temperaturze otoczenia.
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The Influence of Siliceous Mineral Phases on the Mechanical Properties of Transitional Rocks in the Belchatow Lignite Deposit
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Estimation of the expected effects of different surface modifications on mechanical, chemical and biological behaviour of endoprostheses
PublicationPrzedstawiono koncepcję nowej endoprotezy o szczególnie wysokiej odporności na zużycie i pękanie. Koncepcja zakada wytwarzanie wieloetapową obróbkę powierzchniową kompozytu metalowo-ceramicznego.
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Aqueous Mechanical Oxidation of Zn Dust: An Inventive Technique for Bulk Production of ZnO Nanorods
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Effect of Nano-SiO2 on the Microstructure and Mechanical Properties of Concrete under High Temperature Conditions
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Mechanical response of buried High-Density Polyethylene pipelines under normal fault motions
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Biopolymers based paper coating with promoted grease resistivity, bio-degradable and mechanical properties
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Characterization of Mechanical and Bactericidal Properties of Cement Mortars Containing Waste Glass Aggregate and Nanomaterials
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Mechanical properties and interfacial transition zone microstructure of concrete with waste basalt powder addition
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The analysis of the mechanical properties of welding joints of high-strength steels for offshore and ships structures
PublicationW artykule przedstawiono równania korelacyjne właściwości mechanicznych złaczy spawanych stali wysokiej wytrzymałości, które umożliwiają ocenę wpływu technologii spawania tych stali.W pracy zaproponowana dwa równania. Pierwsze umożliwa wstępną ocenę spawalności obecnie produkowanych stali wysokiej wytrzymałości, natomiast równania korelacyjne pozwalają obliczyć maksymalną twardość strefy wpływu ciepła materiału.