丙酸盐,丙酸酯;
Under the optimum reaction conditions, the yield of benzyl propionate could reach 87.9 %.
在最佳反应条件下, 丙酸苄酯的收率可达87·9%.
互联网By using sodium hydrogen sulfate as the catalyst , benzyl alcohol and propionic acid reacted to propionate.
选用乙醇和水作为溶剂,实现亚硫酸氢钠对异氰酸酯的良好封闭.
互联网Pour depressant OEAM, is a copolymer of maleic anhydride and mixed hexadecyl propionate and octadecyl propionate.
原油降凝剂(OEAM)是丙烯酸正十六醇和正十八醇混合酯与马来酸酐的共聚物.
——期刊摘选Cellulose propionate ( CAP ) was synthesized by the heterogeneous esterification reaction of cellulose.
酯化反应使纤维素的结晶度降低.
互联网HPLC method for determination of clobetasol propionate in compound Buguzhi liniment was established.
建立了HPLC法测定复方补骨脂搽剂中丙酸氯倍他索的含量.
期刊摘选We also did the research on calcium propionate as preservative in food, and obtained satisfactory result.
还考察了丙酸钙作为食品防腐剂在防腐方面的效果.
互联网This paper study the antiseptic effect of Sodium dehydroacetate, Calcium propionate and their complex in bread.
本文研究了脱氢醋酸钠 、 丙酸钙及其复配形式对面包的防腐效果.
互联网Calcium propionate is a white crystal, granule or crystalline powder.
酸钙呈白色结晶 、 颗粒或结晶性粉末. 无臭或带轻微丙酸气味.
互联网A sensitive method of determining trace lead in calcium propionate was established.
目的建立了一种测定食品添加剂丙酸钙中痕量铅的方法.
互联网The antiseptic effect of sodium dehydroacetate, calcium propionate and their complex in bread has been studied.
研究了脱氢醋酸钠 、 丙酸钙及其复配形式对面包的防腐效果.
互联网Ca - propionate was used as antiseptic agent to restrain growth of bacteria and mold.
并通过添加丙酸钙作为防腐剂有效抑制了细菌和霉菌的生长.
互联网Objective To study the catalytic activity of gallium sulfate in the synthesis of n - butyl propionate.
目的研究硫酸镓在合成丙酸正丁酯工艺中的催化性能.
互联网The optimum ratio of sodium dehydroacetate to calcium propionate is 2∶3.
脱氢醋酸纳和丙酸钙的最佳比例为2∶3.
互联网Objective : To study the effects of dietary sodium propionate on cholesterol metabolism in finishing pigs.
目的: 研究丙酸钠对肥育猪胆固醇代谢的影响.
互联网Fluticasone propionate was adopted to treat for 12 weeks.
选用丙酸氟替卡松连续治疗12周,比较治疗前后病情、肺功能变化.
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