冷沉淀三种制备方法中,第Ⅷ因子收获率的排序为( )。
A、Pool法<虹吸法<快速融化离心法
B、Pool法<虹吸法≤快速融化离心法
C、Pool法<快速融化离心法≤虹吸法
D、虹吸法<Pool法<快速融化离心法
E、快速融化离心法<虹吸法<Pool法
水溶性颗粒剂在制备过程中可以采用的纯化方法有A、水提醇沉法B、超滤法C、大孔吸附树脂法D、高速离心法E、絮凝沉淀法
点击查看答案
冷沉淀中第Ⅷ因子的收获率及活性与下列哪些项目有关系A、采集血液时的抗凝剂种类B、血浆的保存温度C、献血者个体的差异D、制备方法E、以上均有关系
冷沉淀三种制备方法中,第Ⅷ因子收获率的排序为A、Pool法冷沉淀三种制备方法中,第Ⅷ因子收获率的排序为A、Pool法B、Pool法C、Pool法D、虹吸法E、快速融化离心法
YouareconfiguringthePRODdatabasetouseaninternaltuningalgorithmtomonitortheperformanceoftheworkload.Toachievethisconfiguration,youspecifythefollowingparametersettingsintheSPFILE:SGA_TARGET=512MSHARED_POOL_SIZE=256MWhichtwostatementsaretruewhenmodifyingtheSHARED_POOL_SIZEinitializationparameterintheSPFILE?()A.ModifyingtheSHARED_POOL_SIZEinitializationparametercannotbeaccomplishediftheSGA_TARGETinitializationparameterissettoanon-zerovalue.B.ModifyingthevalueoftheSHARED_POOL_SIZEinitializationparametertozeroisnotallowediftheSGA_TARGETinitializationparameterissettoanonzerovalue.C.IncreasingthevalueoftheSHARED_POOL_SIZEinitializationparameterdoesnotincreasethesharedpoolcomponentsize.Itsetsthelowerlimitforthesizeofthiscomponent.D.DecreasingthevalueoftheSHARED_POOL_SIZEinitializationparameterdoesnotreducethesizeofthesharedpoolcomponentimmediately.Itsetsthelowerlimitforthesizeofthiscomponent.E.IncreasingthevalueoftheSHARED_POOL_SIZEinitializationparameterimmediatelyincreasesthesharedpoolcomponenttothedesiredsizebyreallocatingtheadditionalmemoryfromtheauto-tunedmemorycomponents.F.DecreasingthevalueoftheSHARED_POOL_SIZEinitializationparameterimmediatelyshrinksthesharedpoolcomponenttothedesiredsizewhilereallocatingthereleasedmemorytothememorycomponentsthatarenotauto-tuned.
YousetthevalueoftheSGA_TARGETinitializationparameterto1GtoenableOracletoautomaticallyresizemostofthememorycomponentsaccordingtothecurrentworkloadinthedatabase.Youissuethefollowingstatement:SQL>SELECTname,value,isdefault2FROMv$parameter3WHEREnameLIKE’%size%’;TheoutputofthisstatementdisplaysthattheDB_CACHE_SIZE,SHARED_POOL_SIZE,LARGE_POOL_SIZE,andJAVA_POOL_SIZEinitializationparameterscontainazerovalue.Whatdoesthisimply?()A.TheSGA_TARGETinitializationparametercannotbesettoavaluelessthan1GB.TheSGA_TARGETinitializationparametercannotbesettoavaluegreaterthan1GC.TheMemoryAdvisoroftheOracleEnterpriseManager10gcannotbeusedtoobtainadviceontheimportantmemorycomponentsoftheSGAD.ThevaluesoftheDB_CACHE_SIZE,SHARED_POOL_SIZE,LARGE_POOL_SIZE,andJAVA_POOL_SIZEinitializationparameterscannotbesetmanually.E.NominimumlimitsareimposedontheDB_CACHE_SIZE,SHARED_POOL_SIZE,LARGE_POOL_SIZE,andJAVA_POOL_SIZEinitializationparameters.F.TheAutomaticSharedMemoryManagementfeaturecannotbedisabledunlessyouspecifyvaluesfortheDB_CACHE_SIZE,SHARED_POOL_SIZE,LARGE_POOL_SIZE,andJAVA_POOL_SIZEinitializationparametersintheinitializationparameterfile.
TheAutomaticSharedMemoryManagementfeatureisenabledforthePRODdatabase.Currently,alotofinsertactivityistakingplaceinthedatabase,andthememorystructuresareallocatedaccordingtothedatabaseworkload.Astheworkloadreduces,youdecidetoperformbatchjobsinthedatabase.WhichofthefollowinginitializationparametersareNOTautomaticallyresizedaccordingtothenewworkloadandcontinuetoremainunchanged?()A.LOG_BUFFERB.DB_CACHE_SIZEC.JAVA_POOL_SIZED.LARGE_POOL_SIZEE.SHARED_POOL_SIZEF.STREAMS_POOL_SIZE
UsingOracleEnterpriseManagertosetSGApoolvaluesmanually,forwhichofthefollowingpoolsdoesOracleEMofferadvicetosetthevalueappropriately?()A.DB_CACHE_SIZEB.SHARED_POOL_SIZEC.LARGE_POOL_SIZED.JAVA_POOL_SIZEE.SGA_MAX_SIZEF.SORT_AREA_SIZE