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Keywords Propionic Acid;compound mutation;mutant; 丙酸;复合诱变;突变株;
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
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;
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。
Keywords propionate acid;aniline;condensation reaction;mechanism;activation energy; 丙酸;苯胺;缩合反应;机理;活化能;
OBJECTIVE To investigate the major metabolites of eugenol ibuprofen ester propionic acid. 目的研究鉴定丁香酚布洛芬酯在大鼠体内的代谢行为。
The p - fluorophenoxy propionic acid was synthesized by p -fluorophenol and 3 - chloropropanoic acid as row materials and catalized by PEG -400/KI. 采用对氟苯酚和3-氯丙酸为起始原料,用聚乙二醇PEG-400和KI双组分催化剂合成对氟苯氧丙酸。
The kit has good antiseptic effect with propionic acid at 2.5ml per 350ml artificial diet. 筛选出人工饲料中防腐剂剂量的最佳值为每350毫升饲料中含丙酸2.;5ml。
Propionic acid is an important chemical raw material, but it is also a material of serious scarcity in China. 丙酸是重要的食品、医学、饲料工业原料,也是目前我国紧缺的防腐剂原材料之一。
Among these products the production of propanal, propanol and propionic acid remains almost a blank in China. 介绍了世界丙醛系列产品的生产与应用。
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。
In VFA, aluminum compounds have more serious inhibitation to acetic acid and butyric acid contrasting propionic acid. 试验后通过对厌氧微生物液体培养基VFA组分的测定，发现铝盐对乙酸和丁酸的抑制作用较丙酸更强烈些。
The concentration of propionic acid finally obtained was 15.19882g/100ml, yield was 74.54%. 最终得到的丙酸水溶液浓度为15.;19882g/100ml，最终收率为74
A series of polyurethane anionomers were synthesized from isophorone diisocyanate, polyneopentanediol adipate and dimethanol propionic acid (DMPA). 摘要用异佛尔酮二异氰酸酯、聚己二酸新戊二醇酯和二羟甲基丙酸(DMPA)合成了负离子型聚氨酯离聚体。
The p-fluorophenoxy propionic acid was synthesized by p-fluorophenol and 3-chloropropanoic acid as row materials and transfer catalyzed by TEBA. 以对氟苯酚和3-氯丙酸为起始原料,用苄基三乙基氯化铵作为催化剂,经过相转移催化合成对氟苯氧丙酸。
The title aqueous polyurethane(APU) has been prepared by using polyether,dimethylol propionic acid and toluene diisocyanate(TDI) and siloxane monomer. 采用有机硅氧烷单体与聚醚、二羟甲基丙酸(DMPA)和甲苯二异氰酸酯(TD I)反应制备水性聚氨酯涂料。