查询词典 amino-isovalerianic acid

The synthesis methods of dibutyl succinate catalyzed by p-toluene sulfonic acid, amino sulfonic acid,strongly acidic cationic exchange resin, ferric chloride hexahydrate, stannic chloride pentahydrate, copper sulfate , ammonium ferric sulfate dodecahydrate, titanium sulfate, sodium bisulfate monohydrate,and solid super acid et al were reviewed.

本文评述了对甲苯磺酸、氨基磺酸、强酸性阳离子交换树脂、六水三氯化铁、五水四氯化锡、十二水合硫酸铁铵、硫酸钛、一水硫酸氢钠和固体超强酸等催化剂催化合成丁二酸二丁酯的方法。

According to the Food Ingredients Analysispublished by the Nutrition Department of the Chinese Central Health Research Institute, pickle contains nutrition including protein, carrot, thiamin, lactoflavin, ascorbic acid, carbohydrate, fat, crude fiber, inorganic salt, as well as 17 kinds of free amino acids such as glutamic acid and asparagic acid, which are needed by human body and good to enhancement to human health.

据中央卫生研究院营养系出版的《食物成份表》记载：榨菜含蛋白质、胡萝卜、硫胺、核黄素、抗坏血酸、醣、脂肪、粗纤维、无机盐及谷氨酸、天门冬氨酸、丙迄酸等17种游离氨基酸等人体所必需的营养成份，对增进身体健康十分有益。

Several chemical modification agents were applied to investigate amino acid residues in active site of this enzyme and the results demonstrated that histidine, serine, glutamic acid/asparaginic acid are located in the active site.

随后利用不同的化学修饰剂对酶蛋白进行修饰，通过酶催化活力的改变对位于酶活性位的氨基酸残基进行分析，结果表明酶活性位可能含有组氨酸、丝氨酸和谷氨酸。

The composition of amino acid of the enzyme was also analyzed,which indicated that the contents of asparaginic acid, serine, glutamic acid, glycin, alanine are the most, lysine, histidine also have high contents and there are a few praline, tryptophan.

最后，对此酶的氨基酸成分进行了分析，结果表明，此酶分子中天冬氨酸、丝氨酸、谷氨酸、甘氨酸、丙氨酸含量高，两种碱性氨基酸精氨酸、赖氨酸及组氨酸的含量也比较高，而脯氨酸、色氨酸的含量相对较低。

Good correlations were obtained between aromatic ring destruction and trichloroacetic acid , but dichloroacetic acid production were related to not only activated aromatic ring but also nitrogenous type structures such amino acid type structure.

从腐殖质的结构特性与卤乙酸的相关性分析，得出三氯乙酸的形成主要与腐殖质的芳香环的断裂有关。DCAA的形成则与腐殖质上芳香环和含氮官能团的多少有关。

The raspberry beer is rich in digallic acid, organic acid, amino acid, fiber and microelement. It can increase human health and immunity, prevent cranial nerves senescence, and increase heart function.

树莓啤酒中富含鞣化酸、有机酸、氨基酸、纤维素、微量元素等营养物质，经常饮用可以提高人体体质，提高人体免疫力，防止脑神经衰老、增强心脏功能、明目及抗癌等独特功效，有益健康。

It contains ethylic acid,organic acid,alcohol,sugar,mineral substances,vitamins and amino acid etc. And so it has a high nutritive value and a strong health function.

以柿子为原料，采用固液发酵法生产的柿子醋，含有醋酸、有机酸、醇、糖、矿物质、维生素和氨基酸等成分，营养价值高，保健作用强。

It contains abundant dainty substances as nucleotide, guanylic acid, inosinic acid, polypeptide and amino acid, as well as plenty of vitamin B complex.

其核苷酸、鸟甘酸、肌苷酸及多肽和氨基酸等美味物质异常丰富，还含有大量的维生素B群。

Amino-6-nitrobenzodifuroxan was prepared through a three-step reaction from starting material 3, 5-dinitrobenzoic acid:(1)3, 5-dinitroaniline (1) was synthesized from the reaction of DNBA and hydrazoic acid in inert solvent 1, 2-dichioroethane through Schmidt rearrangement with yield of 89.6%;(2) 1 was subjected to nitration to prepare pentanitroaniline (2) with yield of 51.1%;(3) The title compound was prepared from 2 and sodium azide in acetic acid through denitrogenation and then Schmidt rearrangement with yield of 86.8%, m.p.204℃～206℃.

以3，5-二硝基苯甲酸为原料经过3步反应合成了7-氨基6-硝基苯并二氧化吠咱：第1步反应，在二氯乙烷惰性溶剂中，DNBA与叠氮酸反应并发生Schmidt重排反应生成3，5-二硝基苯胺(1)，产率89.6%；第2步反应，1在含100%硫酸的硝硫混酸中硝化生成五硝基苯胺(2)，产率51.1%；第3步反应，2与叠氮酸反应，不经分离直接进行热解脱氮、Schmidt重排反应，得到目标化合物， m.p.204℃~ 206℃，产率86.8%。

Buckwheat is rich in oleic acid, linolic acid, rutin, bitter principle, trace element and all kinds of amino acid human needs.

荞麦是二十一世纪的健康营养食品，荞麦本身富含油酸、亚油酸、芦丁、苦味素及人体所需的微量元素和必需的各种氨基酸，在国内被推崇为调节人体均衡营养的时尚佳品。

He paid $5,000 for this cupcake.

他我这个纸杯蛋糕花了5000美元。

I mean, if you want to, that is

我的意思是，如果你们想吃的话。