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简介:Apurelymechanicalenergy-storingconceptforhybridvehicles;Anapparatusforstudyingmetal-gasreactionkineticsathightemperatures;Finiteelementanalysisofsuperelasticbehaviorofshapememoryalloyelement(2ndreport,finitedeformationanalysisofbeamsandhelicalsprings);Optimaldesignofmachineelementsusingageneticalgorithm;Springcharacteristicandstressofrectangularwirehelicalspringswithpitchangle……
简介:摘要油田一区沙二4-6层系位于胜坨油田西部高点,北受7号断层遮挡与坨15断块相邻,内部被次一级小断层切割,各层系构造呈东缓(地层倾角40)西陡(地层倾角60)变化,东、西、南三面被边水包围,最大含油面积4.9km2,地质储量1328×104t。