Oyster shell flour is a kind of animalized mineral feedstuff with higher calcium content, widely used in producing mixed feed.
贝壳粉是一种含钙量极高的动物性矿物质饲料，被广泛应用于配合饲料的配方当中。
A new technology for producing calcium propionate from oyster shell under normal pressure and temperature was studied.
以牡蛎壳为原料，采用常温常压直接法制备无毒食品防腐剂丙酸钙。
A new technology for producing calcium propionate from oyster shell under normal pressure and temperature was studied.
以牡蛎壳为原料，采用常温常压直接法制备无毒食品防腐剂丙酸钙。
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