普通的麦当劳芝麻小圆面包含有丙酸钙和丙酸钠，这两样都是防腐剂。
A regular McDonald's sesame-seed bun contains calcium propionate and sodium propionate—both preservatives.
普通的麦当劳芝麻小圆面包含有丙酸钙和丙酸钠，这两样都是防腐剂。
A regular McDonald's sesame-seed bun contains calcium propionate and sodium propionate — both preservatives.
植物油和丙酸钠的混合物产生的PHA比植物油和戊酸钠的混合物有更大的分子量。
The mixture of plant oils and sodium propionate resulted in PHA copolymers with higher Mw compared to the mixture of plant oils and sodium valerate.
植物油和丙酸钠的混合物产生的PHA比植物油和戊酸钠的混合物有更大的分子量。
The mixture of plant oils and sodium propionate resulted in PHA copolymers with higher Mw compared to the mixture of plant oils and sodium valerate.
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