L-canavanine, the analog of L-arginine ,is a natural non-protein amino acid.

刀豆酸是一种天然的非蛋白质基酸,L-精酸的类似物。

The research on the amino acid by dehydrogenation alkanolamine(s) in catalyst was recommended.

介绍了国内外醇胺催化脱氢制备基酸的研究发展情况。

Reduction of azides is an important method to introduce amino group to organic molecules.

叠还原是向有机分子中引入基的重方法。

The corresponding solving methods,exsiting in the determination of the amino nitrogen by Nashi colormetric method.

针对纳氏比色法测过程中存在的问题,提出了相应的解决办法。

Ingredients:amino acid protein，ginseng essence，macromolecule sunproof factor，mulberry whitening extract etc.

基酸蛋白、人参精华、高分子防晒剂、桑树净白精华等。

L-arginine is an imperative ingredient and material in producing compound amino acid injecta and composing other medicines.

精酸是生产复方基酸注射液不可缺少的成份，也是进一步合成其它药物的重基酸原料。

The phylogenic tree of PLRV isolates was established according to the amino acid sequence of coat protein.

依据PLRV外壳蛋白基酸序列建立了PLRV不同分离物的系统进化树。

General approaches involve the nucleophilic cycloalkylation, carbenoids addition of certain amino acid derivatives and derivatization from simple cyclopropane compounds.

制备方法包括对简单基酸衍生物的亲核环烷基化、类卡宾加成及简单环丙烷化合物的衍生化合成等。

Amino phthalhydrazide was synthesized from phthalic anhydride by four steps of nitrationidehydration, hydrazinolysis and reduction reactions in this paper.

二甲酸酐为原料,经硝化、脱水、肼化、还原等步骤合成了3-基二甲酰肼。

Diester,diimide and dipeptide mimic compounds were synthesized by conjugated the amino groups and acid groups with diols or diacids links.

通过酯化、酰胺反应由不同的二醇或二酸连接加巴喷丁和普瑞巴林合成二酯、酰胺、拟肽类等化合物。

Aspartic acid An AMINO ACID formed by transamination, in which the amino group of dlutamic acid is transferred to oxaloacetic acid.

由转基作用形成的一种基酸，谷酸的基基团被转移到草酰乙酸中。

Nonnatural amino acid 3-(4-thiazolyl)-D,L-alanine hydrochloride and its four intermediates were synthesized, their structures were detenmined by IR,NMR,elementary analysis and melting point.

合成了非天然基酸3-(4-噻唑基)-D，L-丙酸盐酸盐及三个中间体，其结构分别通过红外光谱、核磁共振、元素分析、熔点等测试手段得到确证。

In this paper,W amino polyoxyalkylene were synthesized by two steps.In the first step,polyoxyalkylene were brominated.In the second,the brominated polyoxyalkylene were aminated.

本文用聚乙二醇先溴代，再化的二步合成法，合成了胺基单取代聚乙二醇衍生物。

Conclusions:Short-chain fatty acids can improve mucosal morphology,preserve enterocyte ultrastructure,and enhance amino acid absorption of isograft after small bowel transplantation in rat.

短链脂肪酸能维持大鼠移植小肠粘膜形态，减轻移植肠上皮细胞超微结构损伤，并能改善移植肠对基酸的吸收能力。

Amino acid analysis showed that the inactivation of the enzyme was due to the modification of the arginyl residue by butanedione( Table3).

基酸分析表明,酶的失活是因为丁二酮修饰了精酸残基。

The application of transketolase for industrial purpose, such as production of ethanol, biosynthesis of aromatic amino acids and enantiotopic chemicals were reviewed.

本文综述了该酶的工业生产及应用领域，如乙醇生产，芳香族基酸和手性物质的生物合成等。

Amino-PVA-SPION alone was detectable in cytoplasmic endosome-like structures after 3 hours of incubation but resulted in early cell death after 24 hours.

经过三个小时的培养后，单个的基化PVA-SPION能在细胞质的类内含体结构中被探测到，但是24小时后却造成了早期细胞的死亡。

The combination of leucine， oxidation， and gluconeogenesis， which is using amino acid carbon to make glucose， results in a decrease protein mass.

所有这些因素，包括亮酸，氧化和糖异生增加导致蛋白质减少。

Applied during hemodialysis, the effect rate were 8.3%, 71.4%, 68.2% respectively in midodrine hydrochloride tablet group compound amino acid group, 50% glucose group.

在透析中出现症状后应用，有效率分别为：盐酸米多君8.3%，复方基酸71.4%，50%葡萄糖68.2%。

There are two reactive groups, amino and butoxy in the borate ester molecule.The structure of the borate ester was characterized by IR spectrum.

［中文文摘］通过分子结构设计,合成了一种-硼内配位结构的硼酸酯偶联剂,解决了硼酸酯水解稳性差的问题,同时分子结构中含有基、丁氧基等活性基团。