酰氨

Using peptide hydrolysis combined with amino acid analysis, sugar alcohol acetylation combining with GC/MS, fattic acid methyl esterization combining with GC/MS and other technical means it was identify carbohydrate in the bioemulsifier mainly was D-mannose, and main amino acids were glutamic acid, aspartic acid, alanine, and main fattic acids that composed lipid was hexadecanoic acid, octadecenoic acid, and octadecanoic acid.

利用肽水解结合氨基酸分析、糖醇乙酰化结合GC-MS、脂肪酸甲脂化结合GC-MS等技术手段鉴定乳化剂中糖主要为D-甘露糖；主要氨基酸为谷氨酸、天冬氨酸、丙氨酸；构成脂的主要脂肪酸为十六烷酸、十八烯酸和十八烷酸。

Then, N-for-aspartame was obtained from the reaction of 3-formyl-4-carboxymethyl-1,3-oxazolidine-5-one and L-phenylalanine methylester hydrochloric acid under sodium acetate anhydrous in ethyl acetate, and the target product was prepared after removing formyl in the mixture system of hydrochloric acid, methanol and water, the yield of aspartame reaches 89.2%.

最后，用3-甲酰-4-羰基口恶唑烷-5-酮乙酸与L-苯丙氨酸甲酯盐酸盐在溶剂中进行接肽反应，然后在甲醇/盐酸混合体系中进行脱甲酰保护基，从而得到最终目标产物，产率为89.2%。

The most commonly used drugs Bleomycin, mitomycin C, Adriamycin, 5 - 5-fluorouracil (5 - Fu), methotrexate, cyclohexyl - nitrosourea, imipramine hydrazone, Vindesine, etoposide (VP-16), chlorine and ammonia-platinum, a single chemotherapy drug remission rate in the 15% to 20% remission for 1 to 4 months.

最常用的药物有博来霉素、丝裂霉素C、阿霉素、5-氟尿嘧啶（5-Fu）、甲氨喋呤、环己亚硝脲、丙咪腙、长春花碱酰胺、鬼臼乙叉甙（VP-16），以及顺氯氨铂，单一药物化疗的缓解率在15％～20％，缓解期为1～4个月。

In any cell equipped with the enzymes of the gamm-glutamyl cycle glutathione biosynthesis will be enhanced when the concentrationof the rate limiting substrate cysteine is increased intracellularly.

在含有谷氨酰循环酶的细胞内，当细胞内限速底物半胱氨酸浓度增高时，谷胱甘肽的生物合成提高。

Inulin has been modified by carbamoylation in organic solvents.

菊糖与十八烷基异氰酸酯在有机溶剂中发生甲氨酰化反应，生成的氨甲基菊糖具有表面活性。

Odoquinazolin-4(3H)-one,7-methyl-4(3H)-quinazolinone,7-bromoquinazolin-4(3H)-one were synthesized by using anthranilic acid、2-amino-5-nitrobenzoic acid、2-amino-4-nitrobenzoic acid,6-nitro--4(3H)-quinazoline-one、o-amino-terephthalic acid, 2-amino-4-hydroxy benzoic acid、2-amino-5-bromo-benzoic acid、2-amino-5-iodine acid,1、4-butynediol、L-glutamine、isatin anhydride、formamide as starting materials and utilizing microwave-assisted synthetic approach.

本文利用微波辅助合成的方法，以邻氨基苯甲酸、2-氨基-5-硝基苯甲酸、2-氨基-4-硝基苯甲酸、邻氨基对苯二甲酸、2-氨基-4-羟基苯甲酸、2-氨基-5-溴苯甲酸、2-氨基-5-碘苯甲酸、5-甲基-2-氨基苯甲酸等为原料与甲酰胺反应，以及以1，4-丁炔二醇、L-谷氨酰胺与靛红酸酐反应，共合成了13个喹唑啉酮衍生。。。

However, LeuRS-B can catalyze mischarging of tRNA〓 by methionine or isoleucine, suggesting that it is impaired in the ability to edit incorrect products.

然而，LeuRS-B可以错误的催化异亮氨酸和甲硫氨酸误氨酰化tRNA〓，这说明该酶的"细筛"编校功能受到损害。

We detemined the crystal structures of the editingdomain of E. coli LeuRS in both apo form and complexes withmethionine and isoleucine, respectively.

我们解析了大肠杆菌亮氨酰-tRNA合成酶编校结构域本身和其分别与蛋氨酸和异亮氨酸复合物的晶体结构。

Leucine is in the highest proportion in the amino acid component, while cysteine in the lowest.

在E蛋白的氨基酸构成中，亮氨酸和缬氨酸占的比例最高；而谷氨酰胺、组氨酸和色氨酸在E蛋白中含量为零。

Your brother has ornithine transcarbamylase deficiency.

你的兄弟有鸟氨酸转氨嫁酰酶缺乏症

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了