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.

youdao

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.

youdao