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Keywords propionate acid;aniline;condensation reaction;mechanism;activation energy; 丙酸;苯胺;缩合反应;机理;活化能;
Keywords Propionic Acid;compound mutation;mutant; 丙酸;复合诱变;突变株;
Keywords propionic acid;isobutyl alcohol;solid Mo-Ni catalyst;isobutyl propionate;esterification; 丙酸;异丁醇;钼镍催化剂;丙酸异丁酯;酯化反应;
Keywords Propionic acid;Production;Fermentation;Process optimization; 丙酸;生产;发酵;工艺优化;
Keywords Propionic acid fermentation;Flocculated fermentation;Semicontinuous fermentation; 丙酸发酵;絮凝发酵;半连续发酵;
Keywords propionic acid;plasticization;processing condition;soybean protein isolate; 丙酸;增塑;加工条件;大豆分离蛋白;
A salt or an ester of propionic acid. 丙酸盐丙酸的一种盐或脂
When RDP/RUP of diet was 1.73, the concentrations of acetic acid (P<0.05), propionate acid (P<0.05), butyric acid (P<0.01), valeric acid (P<0.05) and total VFA (P<0.01) of rumen fluid were significantly higher than other three diets. 当RDP/RUP值为1.;73时;瘤胃中乙酸(P<0
This paper studies the synthesis of n-butyl propionate catalyzed by p-toluenesulfonic acid supported on granular activated carbon using propionate acid and n-butanol as raw materials. 用丙酸和正丁醇为原料,以颗粒状活性炭固载对甲苯磺酸催化合成了丙酸丁酯。
The group of 20g/kg propionic acid had the best results. 在本次试验中,以20g/kg丙酸添加组的青贮效果最好。
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。
By using sodium hydrogen sulfate as the catalyst,benzyl alcohol and propionic acid reacted to form benzyl 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。
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。
With eerie sulfate as the catalyst, propionic acid and isoamyl alcohol were reacted to form isoamyl propionate. 采用硫酸铈为催化剂合成丙酸异戊酯,考察了催化剂用量、醇酸摩尔比、反应时间及催化剂重复使用次数等对收率的影响。
Using niobic acid as catalyst, cyclohexane as dehydrant, benzyl propionate was synthesized based on propionic acid and benzyl alcohol. 摘要以铌作催化剂，环己烷为带水剂，用丙酸和苯甲醇直接合成了丙酸苄酯。
Propionic acid and its deriveatives are very useful in industry. In this article, the preparation of propionic acid and propionate is reviewed. 丙酸及其衍生物具有广泛的工业用途，是一类值得开发的工业产品。对丙酸及其酯类的制备方法进行了综述，并对其前景进行了展望。
With the trash of carapace aquatic product as the calcium source,calcium propionate is produced by the synthesis of propionic acid and acid. 利用甲壳类水产的废弃物为钙源,与丙酸合成丙酸钙。
With the material of propionic acid and isobutyl alcohol,the synthesis of isobutyl propionate by using solid Mo-Ni Catalyst to replace common vitriol is studied. 以丙酸和异丁醇为原料,以改性钼镍粉取代以往常用的硫酸作催化剂,进行了丙酸异丁酯的合成研究。
In the experiment, ethyl propionate was synthesized by reaction of propionic acid with absolute ethyl alcohol in the presence of p-Toluene sulfonic acid. 以丙酸和无水乙醇为原料,对甲苯磺酸作催化剂合成了丙酸乙酯。
The influence factors such as molar ratio of hexyl alcohol to propionic acid,amount of catalyst, and reaction time on the yield of hexyl propionate were discussed. 以钨硅酸为催化剂,通过丙酸和己醇反应合成了丙酸己酯,探讨了醇酸物质的量比、催化剂用量及反应时间对酯化率的影响。