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- polar side chain 极性侧链
- SIDE CHAIN DEGRADATION OF BS BY MYCOBACTERIUM SP. 分支杆菌降解大豆甾醇侧链的发酵研究。
- Research and Development of Side Chain. 侧链液晶高分子研究进展。
- The pollens of Taiwan native wild tea plant were different from the other two closely related taxa in the sculpture of nexine and the shape at the polar side. 结果发现,台湾山茶在花粉外壁内层的雕纹与花粉极面的形状上,与另两者有所不同,此点再度说明台湾山茶的确为不同于茶与阿萨姆茶的植物。
- Please group amino acids according to the nature of their side chains: hydrophobic, hydrophilic, polar and nonpolar. 请依据氨基酸支链的本质来分类:疏水性、亲水性、极性与非极性。
- A side chain liquid crystalline polysiloxane with p( allyloxy) benzoxy p cyanophenyl as a monomer was synthesized. 研究以对-烯丙氧基苯甲酸对-氰基苯酚酯为单体的聚硅氧烷侧链液晶高分子的合成方法。
- Objective:To study the antifungal activity of triazole alcohols by introduction of cyclopropyl as side chain. 目的:研究具有环丙基结构的三唑醇类化合物的抗真菌活性。
- There are two steps in synthesis of ceftazidine: synthesis of side chain ester and synthesis of bulk actives. 头孢他啶的合成分为侧链酯的合成和原料药的合成两部分。
- The population of trans-trans conformers for the i - and s-sequences increased and the side chain preferred to its e... 对丙酮样品的退火实验表明,在退火过程中能够发生间规链段的自聚集现象。
- It pointed out that the production of cynnematin's side chain intermediates has high risk and high profit. 指出头孢菌素侧链中间体的生产具有高风险、高回报,国内企业要追求高质量、低成本、注重技术创新与市场开发,开辟国际市场。
- The two systems of government are polar opposites. 这两种政体正好相反。
- Side chain fluorinated epoxy resin was synthesized by laurylfluo-enanthol and bisphenol A epoxy resin. 摘要采用十二氟庚醇与双酚A环氧树脂接枝合成了侧链含氟环氧树脂。
- The pyrrole ring of DU 122290 serves to increase the rigidity of the side chain present in sultopride. DU 122290的吡咯环的作用是提高了舒多普利的侧链的刚度。
- Water-soluble conjugated polyelectrolytes (WSCPs) are novel types of conjugated polymers which contain ionic side chains, hence they are soluble in water and some other polar organic solvents. 水溶性共轭聚电解质主要是指含离子型官能团侧链的共轭聚合物,可在水或其它极性有机溶剂中能够溶解。
- A modified method of free radical alkylation has been using for synthesizing of quinone derivatives with an alkyl side chain variation. 应用经过改进的自由基烷基化新方法,合成了一系列的具有长侧链结构的苯醌类化合物。
- As a result of these studies: the polarity of C 10 side chain was found to exert greater positive effect on G - than on G + bactria. 体外抑菌试验发现随着10位边链的极性增大,对革兰氏阴性(G-)菌的抗菌活性增强,而对革兰氏阳性(G+)菌活性则变化不大。
- H_2-Receptor antagonist nizatidine was prepared through the condensation of thiazolyl ring moiety with substituted cysteamine side chain in 52% yield. 以会聚合成法制备了H_2受体拮抗剂尼扎替丁。其中噻唑环的合成以二甲胺为原料,收率13.4%25;
- Most insect do not live in polar region. 大多数的昆虫不在极地地区生存。
- Results Chiral docetaxel C13 side chain was synthesized in 76% yield and 99% ee.The total yield of coupling and deprotecting reaction was 64%. 结果多烯紫杉醇手性C13侧链的4步反应总收率为76%25,光学产率为99%25,对接及去保护3步反应总收率为64%25。
- High-shrinkage polyester chip and fibers can be produced by adding isophthalic acid (IPA) and neopentyl glycol ( DTG) with side chain into polyester. 在聚酯中添加间苯二甲酸(IPA)和具有侧链结构的新戊二醇(DTG),制成了高收缩聚酯切片及纤维。