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.
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。
Objective: To study the effects of dietary sodium propionate on cholesterol metabolism in finishing pigs.
目的：研究丙酮酸钠对失血性休克后缺血/再灌注损伤的保护作用。
In this process, styrene arid sodium propionate is used as raw metalsm, styralyl propionate is synthesized by phase transfer catalysis reaction.
本文报道了一种丙酸苏合香酯的合成新工艺，研究了以苯乙烯及丙酸钠为原料，相转移催化合成了丙酸苏合香酯。
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 reaction conditions of synthesis of cyclohexyl propionate catalyzed by sodium bisulfate monohydrate were studied.
研究了一水硫酸氢钠催化合成丙酸环己酯的反应条件。
By Using the technique of microwave radiation, under the catalyst of sodium hydrogen sulfate, isoamyl propionate can be synthesized fast, the factors of the influencing reaction were investigated.
利用微波辐射技术，以硫酸氢钠为催化剂，快速合成了丙酸异戊酯，并考察了影响反应的因素。
The synthesis of benzyl propionate from propanoic aid, sodium hydroxide and benzyl chloride in the presence of PTC was studied.
本文研究了用相转移催化合成丙酸苄酯的方法。
The synthesis of benzyl propionate from propanoic aid, sodium hydroxide and benzyl chloride in the presence of PTC was studied.
本文研究了用相转移催化合成丙酸苄酯的方法。
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