简介：

简介：

简介：

简介：ThekeratinsofwoolunderwentPhotooxidationtoformaweakerluminophorinvisibleblueregion(λmax=420nm),thatreactswithceriumiontoproduceanenhancedluminophorcomplex(λmax=426nm),itmakeswoolwhiteobviously.

简介：Theconventionalbypassdesignistoimplantagraftonthestenosedhostarteryallowingbloodtoflowbypassthestenoticartery.However,restenosisisachallengingproblemwhichfinallyresultsinreoperation.Thepurposeofthispaperistoproposeanewbypassgraftdesignofcoronaryarterywithanassistantgraftforthetreatmentofcoronaryarterystenosis.AnadditionalassistantgraftwasemployedinthenewdesigncomparedwiththeconventionalETSanastomosis.Numericalsimulationswereperformedbymeansoffinitevolumemethodusingcomputationalfluiddynamics(CFD)solver.ResultsdemonstratedthatthenewanastomosesmodelprovidedamoresmoothflowatthedistalETSanastomosiswithoutanystagnationpointonanastomoticbedandvortexformationintheheelregion.Oscillatoryshearindex(OSI)andtime-averagedwallshearstressgradient(TAWSSG)atthearterybedofthedistalETSanastomosiswerereduced.Thecoronaryarterybypassgraftwithanassistantgraftisfeasibletoimprovethelocalhemodynamicsanddiminishtheprobabilityofrestenosisinthetreatmentofcoronaryarterystenosis.

简介：超离频分子的重量聚乙烯(UHMWPE)纤维/环氧基树脂composites被真空制作处理技术的灌输的帮助树脂(VARI)。composites的治好的条件在80的痊愈温度