The extent of changes slightly increases with the increase of the side chain length. 这些变化的程度随着支链长度的增加略有增大。
Effects of reaction conditions, including WHSV, reaction temperature, N_2 content and time on stream, were studied on side chain alkylation of toluene with methanol over basic zeolite catalysts. 研究了重量空速、反应温度、载气流速、反应时间等工艺条件对甲苯、甲醇在碱性沸石上侧链烷基化反应的影响。
At present, the main synthesis method of adefovir synthesized and published firstly by Starrett et al is based upon the adenine as raw material, what is different is the synthesis of the side chain. 目前合成阿德福韦酯的主要方法,都是以腺嘌呤为起始原料,所不同的是在进行侧链的合成时有所改变。
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。
By use of hydrophobic interaction of O, O-diacyl side chain, our research group has first prepared O, O-didodecanoyl chitosan self-assembly vesicles for drug delivery. 本课题组利用O,O&双十二酰壳聚糖侧链的疏水化相互作用,首次成功制备了其自组装药用泡囊。
Action mechanism and effect of side chain length of comb-like copolymer dispersant on dispersion of cement paste 梳形共聚物分散剂侧链长度对水泥浆体分散性能的影响及机理
Research on Low Temperature Properties and Toughness of Epoxy Resins Modified with Flexible Side Chain 柔性侧链改性环氧树脂的低温增韧研究
Influence of side chain density of polycarboxylate type superplasticizer on characteristics of cement early hydration; 混凝土的早期力学性能对于结构施工期的安全性具有重要影响。
Researches dealing with the photoinduced alignment of liquid crystalline polymers ( LCPs) containing azobenzene moieties in the side chain were reviewed in this article. 近几年来,这方面的研究工作发展迅速,已成为聚合物液晶领域中新的生长点。
The Chiral Synthesis of the Taxol Side Chain and Semisynthesis of Taxol 紫杉醇手性侧链合成与紫杉醇半合成评述
Research on Liquid-phase Catalytic Oxidation of Arene Side Chain to Prepare Aromatic Acids 芳香烃侧链液相催化氧化制备芳香酸的研究
When this happens, the timing chain impacts driver's side chain guide, breaking the plastic within a few hundred miles of driving. 在这种情况下,时间链影响司机的侧链指导,打破了塑料在几百英里的驾驶。
The major metabolic pathways involved oxidation of the pentyl side chain to alcohols and acids with sequential cleavage of the terminal carbon. 主要代谢途径为:戊基支链末端的碳原子连续裂解而氧化为醇和酸。
Chemical modification of amino acid side chain groups on protease HS08 secreted by a thermophilic Bacillus strain were investigated. 运用化学修饰方法对一株嗜热芽孢杆菌所产生的耐高温蛋白酶HS08活性中心的结构进行了研究。
Influence of Polymerization Process on Liquid Crystal Alignment on Polyimide with Side Chain Containing Biphenyl Unit 聚合工艺对联苯侧链型聚酰亚胺薄膜取向性能的影响
Study on the Side Chain Crystalline Polyacrylates with Temperature Sensitive 温敏性侧链结晶聚丙烯酸酯材料的研究
Studies on Enzymic Synthesis of Oligopeptides II. Thermolysin-Catalyzed Synthesis of Peptides Containing a Side Chain Free Carboxyl Group 酶促合成肽的研究Ⅱ.含羧基侧链氨基酸的肽的酶促合成
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。
Aim To study the antifungal activities of the triazole derivatives with the side chain containing tert-butyl and to compare their antifungal activities with that of fluconazole and itraconazole. 目的设计合成具有叔丁基结构的三唑醇类化合物并研究其体外抗真菌活性。
Side chain fluorinated epoxy resin was synthesized by laurylfluo-enanthol and bisphenol A epoxy resin. 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 analysis indicates that a notable characteristic of viscosity reducers is to induct side chain with polarity group and active surface on the original ester molecule matrix. 分析认为,降粘剂研究的一个显著特点是在原来酯性分子骨架上引入具有极性基团或表面活性的侧链等。
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。
A new polysiloxane with the side chain of benzophenone groups is synthesized. 合成了侧链中含二苯甲酮基的聚有机硅氧烷。
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 side chain of EVA is mainly butyl, amyl, or longer alkyl. EVA分子结构中的侧链主要是丁基、戊基或更长的烷基。
The major methods used here are dimerization, side chain modification and C-terminal modification. 类似物的改造方法主要是二聚化、侧链修饰和碳末端修饰。
The catalysts are found to exhibit high activity and selectivity for side chain alkylation. 这些催化剂具有高的侧链烷基化活性和选择性。
The magnetic field induced orientation of side chain has a nonlinear effect on the motion of main chain. 侧链介晶基元受磁场的诱导取向对分子主链运动的影响为非线性效应。
The side chain alkylation of toluene with methanol on the X-zeolites exchanged with different cations was studied. 采用阳离子交换的X-型分子筛作为甲苯和甲醇侧链烷基化反应的催化剂,研究了甲苯侧链烷基化反应的规律。
In addition, the asymmetric reduction for the preparation of chiral alcohol side chain was also investigated. 此外,对侧链手性醇制备过程中的不对称还原也进行了研究。