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单选题
下列属于制备PGA的方法有（）
A
一氧化碳甲醛共聚法
B
NCA法
C
活性脂法
D
发酵法
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更多 “单选题下列属于制备PGA的方法有（）A 一氧化碳甲醛共聚法B NCA法C 活性脂法D 发酵法” 相关考题
考题
WhentuningAutomaticPGAMemoryManagement,whichofthefollowingviewswillprovidetheinformationspecified?()
A.TheV$PGA_TARGET_ADVICEviewshowsthepredictedcachehit-ratioimprovementifyou increasePGA_AGGREGATE_TARGETB.TheV$PGA_TARGET_ADVICEviewshowshowtheV$SQL_WORKAREAhistogramwill changeifyouchangethevalueofPGA_AGGREGATE_TARGETC.TheV$PGA_TARGET_ADVICE_HISTOGRAMviewshowshowtheV$SQL_WORKAREA_HISTOGRAM willchangeifyouswitchbetweenManualandAutomaticPGAMemoryManagementD.TheV$PGA_TARGET_ADVICEviewshowshowperformancewillimproveforthedifferentworkareas ifyouswitchfromManualtoAutomaticPGAMemoryManagement
考题
单选题When tuning Automatic PGA Memory Management， which of the following views will provide the information specified？（）A
The V$PGA_TARGET_ADVICE view shows the predicted cache hit-ratio improvement if you increase PGA_AGGREGATE_TARGETB
The V$PGA_TARGET_ADVICE view shows how the V$SQL_WORKAREA histogram will change if you change the value of PGA_AGGREGATE_TARGETC
The V$PGA_TARGET_ADVICE_HISTOGRAM view shows how the V$SQL_WORKAREA_HISTOGRAM will change if you switch between Manual and Automatic PGA Memory ManagementD
The V$PGA_TARGET_ADVICE view shows how performance will improve for the different work areas if you switch from Manual to Automatic PGA Memory Management
考题
问答题冷沉淀凝血因子制备有哪些方法？对于制备的原料有什么要求？每个方法的如何操作？
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