专利内容由知识产权出版社提供
专利名称：ORIENTEDGRAINEDY-Ba-Cu-O
SUPERCONDUCTORSHAVINGHIGH
CRITICALCURRENTSANDMETHODFOR
PRODUCINGSAME
发明人：SALAMA,sityofHouston-University
Park,SELVAMANICKAM,sityof
Houston
申请号：EP90905918.0
申请日：19900208
公开号：EP0457851A1
公开日：19911127
摘要：Describesasuperconductormaterialhavingacurrentdensity(J)between
about30夜行者加点,000and85,000amps/cm2forazeromagneticfieldand77°
superconductor123教育法律法规试题及答案,oftheformulaL1Ba2Cu3O6+deltawhereLispreferablyyttrium,is
capableoftrappinghighenoughmagneticfieldsandhasalowsurfaceresistanceto
erconductorofthepreparationprocessistomakecompactthe
productL1Ba2Cu3Obymassandsinterthereactionproductatatemperaturewhichis
betweenabout40°Ctoabout90°Cbelowitsmeltingpoint电位差计,namely可爱的女孩网名,forthe
Y1Ba2Cu3O6+deltaatatemperatureofapproximately940°positionwas
thenheatedinapreheatedoven,whotemperatureismaintainedbetweenabout1090°
Cand1200°C(about1100°CforY1Ba2Cu3O6+delta)untilitbreaksdownandisthen
quicklycooledatatemperaturebetweenabout10°Cand30°Caboveitsmeltingpoint情侣头像一男一女,
idream high什么意思.e.,forY1Ba2Cu3O6+deltaatatemperatureof1030°C杜十娘的故事,andfinallycooledina
controlledmanneratarate1°Cperhouruntilthetemperaturereachesabout20°C
and40°Cbelowitsmeltingpoint,i黑孩子罗伯特.e经典广告词.,forY1Ba2Cu3O6+deltaatatemperatureof980°
positionatthistemperatureiskeptconstantforatleasteighthoursandthen
cooledtoatemperatureofabout400°Cbelowitsmeltingpoint(1Ba2Cu3O6+
deltaatatemperatureofabout600°C).Thencooledslowlyto200°Cformaterial
finallyannealinginoxygen酒店开业.
申请人：UNIVERSITYOFHOUSTON
地址：UniversityPark湖北省2021年一本线是多少分,4800CalhounRoadHouston,Texas77004US
国籍：US
代理机构：Jones担保法,MichaelRaymond,etal
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