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咪唑基

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Methods This title compound was prepared using the O-phenylene diamine and the anisaldehyde as the raw material,methanol as the solvent,and the phosphoric acid makes the oxidant.

方法本课题以邻苯二胺和对甲氧基苯甲醛为原料,在甲醇为溶剂,磷酸为催化剂的酸性条件下,一步反应制得2-(4-甲氧基苯基)苯并咪唑。

Ingredients: Rose oil, rose fruit Oil, clove flower oil, deionized water, isopropyl myristate, glycerol, propylene glycol, polyethylene glycol -400, central PDMS, poly dimethyl siloxane, PDMS alcohol, polyacrylamide, C13-14 iso-paraffin, octoic acid / capric Acid Triglyceride, lauryl alcohol -7, hydroxyethyl acrylate, acryloyldimethyltaurate copolymer, squalane, poly sorbate esters -60, PEG-20 sorbitan laurate, panthenol, allantoin, methyl p-hydroxybenzoate, diazolidiny1 urea, 3-iodo-2-propynyl-butyl-carbamate, essence.

产品成分:玫瑰精油、玫瑰果油、丁香花油、去离子水、肉豆蔻酸异丙酯、甘油、丙二醇、聚乙二醇-400、环聚二甲基硅氧烷、聚二甲基硅氧烷、聚二甲基硅氧烷醇、聚丙烯酰胺、C13-14 异链烷烃、辛酸/癸酸甘油三酯、月桂醇醚-7、羟乙基丙烯酸酯、丙烯酰二甲基牛磺酸钠聚物、角鲨烷、聚山梨酸酯类-60、PEG-20 失水山梨醇月桂酸酯、泛醇、尿囊素、对羟基苯甲酸甲酯、双咪唑烷基脲、碘代丙炔基丁基甲氨酸酯、香精。

Compared to human oxyHb, the stereochemistry of the haem group region of both the α and β subunits show some difference.

同人oxyHb分子相比,α和β亚基中血红素区域的空间构象发生了一些变化,特别在β亚基,远侧HisE7(63)的咪唑环距血红素平面较远同时绕C〓-C〓键旋转了15°,这使得E7N〓原子同O(2)之间的氢键成为可能。

The X-ray structure analysis reveals that the metal is in a square-planar N2O2 coordination environment formed by the phenolate-O, the imine-N and the deprotonated amide-O atoms of hydrazone ligand and the N atom of Himdz.

配合物的晶体结构分析表明,中心金属通过酰腙配体的酚基氧原子、亚胺基氮原子、去质子酰胺氧原子以及咪唑的氮原子形成平面四方形的N2O2配位环境。

In this paper, with 2-oxo-propionic acid salicyloyl hydrazone as a ligand, one calcium complex, three copper complexes and thirteen rare earth(RE=La, Ce, Pr, Nd, Sm, Eu. Gd, Tb, Dy, Er, Tin, Yb and Lu) complexes have been synthesized. The crystals of four complexes were obtained, and the crystal structures were determined by single crystal X ray diffraction. One of the crystals is calcium complex, the other are binary and trinary complexes of copper.

本文选用2-羰基丙酸水杨酰腙作为配体,在水中分别与钙、铜、稀土(RE=La、Ce、Pr、Nd、Sm、Eu、Gd、Tb、Dy、Er、Tm、Yb和Lu)的盐反应,共制得了17种未见文献报道的配合物,另外还培养了2-羰基丙酸水杨酰腙、咪唑与铜、钙的二元及三元配合物的四种单晶,对La-Gd的稀土的配合物进行了溶解热的测定,并用Gauss-98软件包对铜的配合物进行了有关量化计算。

The present work aims to investigate and develop a series of coumarin dyes containing nitro or amino benzimidazole group for the polyester and nylon fabrics and so on.

本实验主要目的乃针对聚酯、尼龙等织物制备出一系列含有硝基或胺基苯并咪唑基团之黄色萤光染料。

The influences of temperature,scan rate and nitromethane concentration on the electrochemical characteristics of nitromethane were also discussed.

以铂微盘电极为工作电极,采用循环伏安等测试方法研究了硝基甲烷在离子液体1-正丁基-3-甲基咪唑六氟磷酸盐(BMImPF6)中的电化学行为,讨论了温度、扫描速度以及底物浓度等因素对其电化学行为的影响。

The influences of temperature and scan rate on the electrochemical characteristics of nitromethane were also investigated by using cyclic voltammetry.

采用循环伏安等测试方法,以铂微盘电极为工作电极,研究了硝基甲烷在离子液体1-正丁基-3-甲基咪唑四氟硼酸盐(BMImBF4)中的电化学行为,并探讨了温度和扫描速率等因素对硝基甲烷电化学特性的影响。

Both catalytic activity and selectivity of Ru(PPh_3)_3Cl_2 were improved in ionic liquid BMImPF_6/DME medium.The conversion of hexene and selectivity ofβ-adduct for the hydrosilylation reaction of 1-hexene with triethoxysilane catalyzed by Ru(PPh_3)_3Cl_2 in ionic liquid BMImPF_6DME (V/V=1/4) medium at 90℃were 100% and 89.0%,respectively.

实验结果表明,在乙二醇二甲醚/离子液体1-丁基-3-甲基咪唑六氟磷酸盐(BMImBF_6)(V/V =1/4)介质中,于90℃下,己烯与三乙氧基硅烷反应的转化率为100%,β加成物的选择性可达89.0%,而用Rh(PPh_3)_3Cl作为反应的催化剂,在纯离子液体BMImPF_6中,就可以高效催化烯烃与三乙氧基氢硅烷的加成反应,过渡金属Rh(PPh_3)_3Cl,Ru(PPh_3)_3Cl_2催化剂/离子液体BMImPF_6催化体系,不仅解决了产物与催化剂分离困难这一难题,同时,离子液体BMImPF_6的存在提高了过渡金属Rh(PPh_3)_3Cl,Ru(PPh_3)_3Cl_2催化硅氢加成反应的活性,特别是β加成物的选择性。

The separation of neutral macrocyclic calyx [4] pyrroles with 1-butyl-3-methylimidazolium chloride as background electrolyte in acetonitrile was carried out by nonaqueous capillary electrophoresis.

建立了以1-丁基-3-甲基咪唑氯盐离子液体为背景电解质,非水毛细管电泳分离中性大环化合物八甲基杯[4]吡咯、四环戊基杯[4]吡咯、四环己基杯[4]吡咯的方法。

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