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We propose that the thiol end-groups generated during the aminolysis of PMMA tend to cyclize through "backbiting" to form thiolactone structure.

我们用GPC、MALDI-TOF MS、一维二维NMR、元素分析等方法对氨解过程和氨解产物做了详细的表征。

objectiveto investigate the efficacy and safety of amlodipine with berberine in the treatment of mild and moderate hypertensive with arthrolithiasis.methods 26 cases were treated by oral administration of amlodipine 5 mg, berberine 0.3g, meanwhile treated the acute arthrolithiasis by oral administration of colchicine 0.5mg, reated hypertensive with chronic gout by oral administration of allopurinol 100mg.

目的评价氨氯地平联用小檗碱治疗轻、中度老年高血压合并痛风患者的降压疗效。方法选择轻、中度老年高血压患者26例，给予患者口服氨氯地平5mg，1次/d，小檗碱0.3g，3次/d，同时给予急性痛风患者，口服秋水仙碱0.5mg，慢性痛风患者，口服别嘌呤醇100mg。

Objective To investigate the association of absence or presence of aspartic acid at position 57 of the HLA-DQβ chain with susceptibility or resistance to type 1 diabetes mellitus in a Southern Chinese population.

目的 探讨HLA-DQβ链第57位非门冬氨酸或门冬氨酸与华南地区1型糖尿病易感性或抵抗性的关系。

The fact that the three additives and TP5 were with opposite charges in solution and therefore attracted each other electronically to form an ionic complex assumably explained the mechanism of their enzyme inhibitions.

经分析可能有两种肺酶参与TP5水解：中性内肽酶从肽链的C末端水解掉两个氨基酸残基，氨肽酶从肽链N末端水解掉精氨酸。

The new bioreaction lays a foundation for the development of novel N-removal biotechnology, being conducive to the development anti application of anammox to get more bacterial resources for anammox and to make clear the ecological distribution of anammox bacteria.

探明厌氧氨氧化菌种资源及其生态分布，将有利于厌氧氨氧化的开发应用。

D-proline was ob tamed from the asymmetric transformafion of L-proline via the formation of-tartaric acid salt by using butanal as catalyst.

以L-脯氨酸为起始原料，S-酒石酸为拆分剂，运用不对称转换的方法合成D-脯氨酸。

Any of several esters, other than the ethyl ester, of carbamic acid .

一种氨基酸，在将鸟氨酸转为精氨酸的过程中作为中介物。

Any of several esters, other than the ethyl ester, of carbamic acid .

钾离子是构成淡水鱼鱼肉风味物质的主要成分，甘氨酸、丙氨酸、。。。

We devote in the research, development, production and marketing of precious metal compound and related products with reliable quality, such as; potassium gold noncyanide, Rhodium sulphate, potassium tetrabroaurate, Chloroplatinic acid, gold chloride, Ammonium chloropalladate, Ammonium tetrachloropalladate, recycled and refined precious metals etc.

公司主要从事贵金属材料相关产品的研究、开发、生产和销售，主要产品有无氰金盐和其他贵金属化合物，包括：硫酸铑、溴金酸钾、氯铂酸、三氯化金、二氯化二氨络钯、二氯化四氨络钯等，并提供贵金属资源二次回收服务。

Glycocholic acid is a kind of glycol-conjugated bile acid which exists in many animals'bile. It is one of main component of bile acid and was synthesized from cholalic acid and glycine in liver.

甘氨胆酸是胆汁酸的主要成分之一，属于结合型胆汁酸，在肝脏中由胆酸和甘氨酸结合而成。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。