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- Cyclopropane synthetase 环丙烷合酶
- Cyclopropane carbonyl chloride is an important intermediate. 环丙甲酰氯是一种重要的中间体。
- This complex reaction is catalyzed by anthranilate synthetase. 这个复合反应是被邻氨基苯甲酸合成酶催化的。
- Cyclopropane rings are included within larger systems, such as triterpenes. 三元环包含在较大的环系统中,像三萜类中。
- Objectives:To clone and express the S-adenosyl-L-methionine synthetase gene. 目的:克隆与表达大肠杆菌S-腺苷甲硫氨酸合成酶的基因。
- This paper reviews the recent progress in the synthesis of cyclopropane amino acids. 本文综述了合成环丙烷氨基酸类化合物的近期研究进展。
- The extraction and purification of S-adenosylmethionine synthetase from yeast were investigated in this paper. 方法:研究了腺苷甲硫氨酸合成酶的提取和纯化。
- Abstract: Glutamine synthetase(GS)is the key enzyme in the assimilation of ammonium in higer plants. 摘 要： 谷氨酰胺合成酶（GS）是参与高等植物氮同化过程的关键酶。
- By using phase transfer catalyst, the yield of the preparation of cyclopropane carboxylic isopropyl ester was increased. 在环丙甲酸异丙酯的合成反应中,通过相转移催化剂提高了反应收率。
- This paper contains two parts: (1) Trisubstituted Cyclopropane and FluorinatedAlkynone; (2) Phosphate Ester and Phosphonyl Compounds. 本文包括两部分:(1)三取代环丙烷和含氟炔酮;(2)膦酸酯和膦酰化物。
- Objective To explore the effect of sildenafil on NO and NO synthetase (NOS) after physical exercise at high altitude. 摘要目的探讨西地那非对高原人体运动一氧化氮(NO)及其合酶(NOS)的影响。
- Aim:To research the activity and significance of Nitric Oxide Synthetase (NOS) in the patients with viral hepatitis. 目的:探讨NOS在病毒性肝炎患者肝组织中的活性及意义。
- Diacylhydrazine cyclopropane compounds were synthesized from cyclopropanecarboxylic acids which have comparable characters in the structures. 以结构上有可比性的环丙烷羧酸为原料,合成了环丙烷双酰肼化合物,结构经红外和核磁验证。
- A new insecticide,allepermethrin,was synthesized by esterification of dichlorovinyl cyclopropane carboxylic acid and allethrone. 由二氯菊酰氯和丙烯醇经酯化反应合成了丙烯氯菊酯，并在实验室测试了其对蚊、蝇、蟑螂的药效。
- The activity of glutamine synthetase gradually increased and then declined as a single-peak curve with the process of grain filling. 结果表明,水稻灌浆过程中籽粒谷氨酰胺合成酶活性随灌浆进程逐渐增加,达到峰值后又逐渐下降,呈单峰曲线变化;
- Leucyl-tRNA synthetase (LeuRS)can link not only the cognate leucine but also the nearly cognate isoleucine andmethionine to tRNA~(Leu). 亮氨酰-tRNA合成酶不仅可以把共轭的亮氨酸而且可以把相近的异亮氨酸和蛋氨酸共价连接到tRNA~(Leu)。
- 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氨基酸衍生物的亲核环烷基化、类卡宾加成以及简单环丙烷化合物的衍生化合成等。
- Indica rice had higher nitrate reductase activity (NRA) and glutamine synthetase activity (GSA) than Japonica rice in 1 mmol. 其中，扬稻6号生长最优，农垦57最差，扬稻总氮含量显著高于农垦，说明扬稻对硝态氮的吸收利用效率高于农垦。 籼稻体内的NRA显著高于粳稻，说明籼稻对硝态氮的同化能力优于粳稻。
- The conjugations between cyclopropane ring andoxazole rings were found and the reason why these compounds have low fluorescence quantum yieldswas explicated. 我们发现恶唑环与三元环间存在一定程度的共轭,并解释了上述化合物荧光量子产率较低的现象。
- Studies of the enzyme CTP synthetase in the parasite Trypanosoma brucei have brought researchers closer to a cure for African sleeping sickness. 对于寄生虫布氏锥虫CTP合成酶的研究使研究者离成功治愈非洲嗜睡病又近了一步。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
