类酶

Cefaclor is a kind of cephalosporin antibiotics which is extensively used for anti-infection. It will devitalize transpeptidase, disturb the final step synthesis of the cell wall and prevent the cross bonding of mucopeptide.

头孢克洛是广泛应用于抗感染的头孢菌素类抗生素药物，它的杀菌作用是使转肽酶失活，干扰细菌细胞壁最终阶段的合成，阻止粘肽原的交联。

Reactive oxygen/nitrogen species production was measured with 2',7'-dichlorodihydrofluorescein diacetate dye.

活性氧或氮类产物用双乙酸钠进行染色测量，蛋白酶-9和-12的活性用荧光酶抑制剂检测。

In a view of chemical structure, most of the HIV-1 integrase inhibitors reported belong to the class of diketo acids or their bioisosters.

该文对近3年来二酮酸类HIV-1整合酶抑制剂的研究进展做简要综述。

Based on reviewing of functionalization of saturated carbon by catalytic oxidation with metalloporphyrins and metal phthalocyanines as a mimic of the enzyme cytochrome P-450, two reaction systems of which one was the preparation of 4, 4'-dinitrostilbene-2, 2'-disulfonic acid from 4-nitrotoluene2-sulfonic acid and the other was the preparation of 4, 4'-bis (dimethylamino -diphenyl) phenylmethanol from 4, 4'-bis (dimethylamino-diphenyl) phenyl methane , were specifically studied as carfunctionalization and oxyfunctionalization of saturated carbon.

本文在全面综述金属卟啉和金属酞菁类模拟细胞色素P-450酶催化剂催化氧化饱和碳原子功能化的基础上，选择由4-硝基甲苯-2-磺酸制取4，4'-二硝基二苯乙烯-2，2'-二磺酸和由4，4'-二苯基甲烷制取4，4'-二苯基甲醇两个反应体系进行饱和碳原子碳功能化和氧功能化的具体研究。

Ten transformants and 10 conjugons showed high-level resistance against aminoglycoside antibiotics,all of which the value of MIC＞256μg/mL carried armA gene.Conclusions:The Ab clinical isolates from burn ward in Gansu Province People\'s hospital have high drug-resistance.16S rRNA methylases gene exsist in Ab and locate in plasmid chromosome.They are easily disseminative,which demonstrated a very high level of resistance to various aminoglycosides.

甘肃省人民医院烧伤病房鲍氏不动杆菌临床分离株有非常高的耐药率，16S rRNA甲基化酶基因armA在鲍氏不动杆菌中存在，且位于质粒染色体上，易于传播和扩散，导致所有氨基糖苷类抗菌药物高水平耐药。

Daphne diterpene esters are principal activitive components of Daphne genkwa, which is an endemic traditional Chinese medicine. Yuanhuacine has potent inhibition against several cancer cell lines. Inhibition against DNA topoisomerase I is probably its anticancer mechanism.

芫花为中国特有的瑞香科植物，主要有效成分为植物中罕见的瑞香烷型二萜原酸酯类化合物，其中芫花酯甲对多种癌细胞系有较强的抑制活性，对DNA拓扑异构酶I的抑制作用是其抗癌的可能机理。

The results dicate that there was nearly no difference from hibernation and activity period in all tissures except the liver and skeletal muscle of Elaphe rufodorsata as shown by electrophoresis plot, hibernation was lower than in activity period except that in liver of Erinaceus dealbatus, and LDH4 was not detected in all detected tissues of the three species of snakes.

结果表明：LDH同工酶的电泳图谱只有红点锦蛇的肝和骨骼肌中存在活动期和冬眠期的明显差异，在其余动物两个时期的组织中未表现出明显变化；刺猬的肝脏LDH活性在冬眠期显著地高于活动期，而其余的动物组织冬眠期LDH活性均显著低于活动期；三种蛇类组织LDH4均未见表达。

Methods XbaI was used to digest the total DNA of Salmonella enteritidis strains isolated from the food poisoning samples.

对食物中毒中分离的肠炎沙门菌用XbaI酶切总DNA，用脉冲场凝胶电泳法进行分子分型，用BioNumerics软件对PFGE分型图谱进行电子化数据分析，绘出聚类分析图。

It bears a great potential application in both industrial aspects as the enhancement of oil recovery and bioremediation of ecosystem due to its characteristics of thermophilic, facultatively anaerobic, biodegradation of hydrocarbons and production of biosurfactans, and in scientific sectors as build of genetically engineered bacteria due to its bearing functional genes and special enzymes.

由于其具有嗜热、兼性厌氧，降解烃和产生表面活性剂的特性，在微生物采油、环境治理等领域中有潜在应用价值；同时，这类细菌可能具有特殊的功能基因和特种酶，对构建工程菌亦具有重要的研究价值。

It bears a great potential application in both industrial aspects as the enhancement of oil recovery and bioremediation of ecosystem due to its characteristies of thermophilic, facultatively anaerobic, biodegradation of hydrocarbons and production of biosurfactana, and in scientific sectors as build of genetically engineered bacteria due to its bearing functional genes and special enzymes.

由于其具有嗜热、兼性厌氧，降解烃和产生表面活性剂的特性，在微生物采油、环境治理等领域中有潜在应用价值；同时，这类细菌可能具有特殊的功能基因和特种酶，对构建工程菌亦具有重要的研究价值。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。