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。

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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。

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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。

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As Peter recently explained, this deduction of 15% of gross income from oil, gas, silver and gold extraction, can be applied creatively and cumulatively on the yearly gross returns from a mine or well.

FORBES: Connect