The viscera of three species of freshwater fish, grass carp, bream and silver carp, were used as raw material for fish oil extraction in this study.
以草鱼、鳊、鲢三种高产的淡水鱼内脏的提取油脂原料，着重研究内脏油脂的提取工艺条件。
An extremely poisonous white compound, KCN, used in the extraction of gold and silver from ores, electroplating, and photography, and as a fumigant and insecticide.
剧毒白色化合物，KCN，用于从矿石中提炼金银的过程中、照相中以及作为熏蒸剂和杀虫剂。
The extraction and purification of PUFA from silver carp oil by urea inclusion was studied.
对尿素包合法提取及纯化鲢鱼油中多不饱和脂肪酸（PUFA）的方法进行了研究。
The metal extraction rate of silver is over 95%. Every valuable metal were leached very we...
银精矿中银的提取率达到95%以上，各种有价金属得到了很好的浸出。
The metal extraction rate of silver is over 95%. Every valuable metal were leached very we...
银精矿中银的提取率达到95%以上，各种有价金属得到了很好的浸出。
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