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1·Propionic acid is product heavily short of in our country.

丙酸是目前国内十分紧缺的一种产品。

2·Propionic acid and its salts are important feed preservatives.

丙酸及其盐是重要的饲料防腐剂。

3·Formic Acid, Acetic Acid, Propionic Acid and Ammonium Formate.

甲酸，乙酸，丙酸和甲酸铵。

4·Propionic Acid, Formic Acid, Acetic Acid and Ammonium Propionate.

丙酸，甲酸，乙酸和丙酸铵。

5·The method can be used to test the propionic acid in the antimicrobial.

可用于测定防霉剂中的丙酸含量。

6·Objective To determine the best synthesis condition of 3-(4-iodobenzyl)propionic acid.

目的考察3-（4-碘苯甲酰基）丙酸的最佳合成条件。

7·And the extraction of flavoring substances from yellow water could produce propionic acid and starter etc.

提取香味物质；发酵制备丙酸；制酒曲等。

8·Propionic acid as a slow transformation, there will be a gradual accumulation in the latter part of the process.

丙酸由于转化速度较慢，在后期会有一个逐渐积累的过程。

9·Production techniques and market of propionic aldehyde and propionic acid and propanol are introduced in this paper.

本文综述了丙醛、丙酸、丙醇的工艺技术及市场前景。

10·The synthetic conditions of zinc propionate with propionic acid and basic zinc carbonate as raw materials were studied.

以丙酸和碱式碳酸锌为原料，制备了食品及饲料添加剂丙酸锌。