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- butyric acid chloride 丁酰氯
- Relating to or derived from butyric acid. 丁酸的与丁酸相关的或从其中提取的
- A salt or ester of butyric acid. 丁酸盐丁酸的盐或酯
- Lactic acid,acetic acid and butyric acid coexisted in sour brewing products. 酸味酿造产品中乳酸、醋酸、丁酸共存,但比例不同形成的酸味特征也不同。
- The analysis results of gas chromatography showed that the isolates could metabolize isobutyl acetate to produce iso-butanol and butyric acid. 气相色谱的分析结果表明,该菌可降解醋酸异丁酯生成异丁醇和异丁酸。
- Any of three isomeric glyceryl esters of butyric acid,naturally present in butter. 酪酯丁酸的三种同分异构甘油基酯的任一种,以自然形态存在于奶油之中
- Similarly, using diketene to replace mixed anhydride or acid chloride, intermediate enol 5 may be obtained. 而由混合酸酐或双烯酮代替酰氯,中间体也可能是烯酮或烯醇5。
- Several kinds of extractants of the alcohol-water systems s uch as phenol, butyric acid etc were predicted . 预测苯酚、丁酸等可望作为醇水体系的萃取剂。
- Any of three isomeric glyceryl esters of butyric acid, naturally present in butter. 酪酯丁酸的三种同分异构甘油基酯的任一种,以自然形态存在于奶油之中
- 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。
- Any achievement on these aspects in the future can contribute to put fermentation of butyric acid into industry. 今后这些方面更多的突破,都将使微生物催化生产丁酸的产业化成为可能。
- Cyclic carbonate, Amine aldehyde, keto, activated olefinic bond, N-alkoyl, acid, anydride, acid chloride, acetoacetoxy. 环碳酸酯,胺醛,酮,活性烯键的N alkoyl,酸,anydride,酰氯,乙酰乙酸。
- Yellow water, as the byproduct in liquor production, contains rich lactobacilli, butyric acid bacteria, caproic acid bacteria and microzyme etc. 黄水是白酒酿造过程中的副产物,其含有丰富的乳酸菌、丁酸菌、己酸菌、酵母菌等微生物资源。
- An efficient synthesis of p butyramidophenyl acetate from p aminophenol and n butyric acid by an improved method was reported. 以对氨基苯酚和正丁酸为原料,合成了4-丁酰氨基乙酰氧基苯,讨论了反应的影响因素。
- Pingshan, Hebei province, the tombs in Warring Period (310 B.C.) , where transparent liquid containing alcohol, lactic acid, and butyric acid etc. 河北平山县的战国(公元前310年)墓中,发现密封的铜壶中有透明液体,经分析,有乙醇、乳酸、丁酸等成分。
- Female ginkgoes produce the troublesome seeds, which are covered in a fleshy coating that contains butyric acid, also found in rancid butter. 雌性的银杏树会结果实,造成困扰;果实外壳厚实,含有丁酸,这种成分也会出现在酸腐的牛油中。
- A silica supported cyanoethylated soluble protein-Pd was prepared and its activity in catalyzing the cross-coupling reaction of organotin reagent and acid chloride was studied. 制备了以超细二氧化硅为载体的氰乙基化可溶性蛋白质 -钯催化剂 ,研究了它在有机锡烷和酰氯化合物的偶联反应中的催化行为。
- Dyestuff: anthraquinone, black ferric oxide, indigo blue pigment, butyric acid, titanium hydroxide, zinc sulfide, all kinds of intermediate of azo dye-stuff. 染料:蒽醌、黑色氧化铁、靛兰颜料、丁酸、氢氧化钛、硫化锌、各种偶氮染料中间体。
- Compared with non - starchpolysaccharides, RS has had higher fermentation rate (almostcompletely fermented) and produced more butyric acid when fermented in colon. 如抑制膳后血糖升高、防治肠胃疾病、降低血清胆固醇含量、促进益生菌的繁殖等。
- The first step was to protect the amino group of Tris by using t-butyloxycarbonyl anhydride((Boc)2O),then mPEG was activated by changing hydroxide terminal into acid chloride and carboxylation of mPEG was fulfilled before. 利用叔丁氧羰基酸酐((Boc)2O)对Tris上的氨基进行保护,对mPEG端羟基依次进行羧基化、酰氯化等活化处理,通过酰氯与羟基的官能团反应合成出目标分子。