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Using MTLSER model and AM1 Hamiltonian in quantitative structure-activity relationship studies of alkyl (1-phenylsulfonyl) cycloalkane –carboxylates.

取代苯胺和苯酚类化合物对大型蚤的定量结构-活性关系研究。

A series of copper salts were prepared and studied in the selecitive oxidation of cyclohexane.

只要找到了适当的反应物,在合适的温度下,聚苯胺有可能是非常理想的加氢、脱氢催化剂。

The total amount of cyclohexanone and cyclohexanol first was increased and was decreased with an increase of the reduction degree, A maximum is obtained over the 50% reduced PAn (5.5%).

随着聚苯胺催化剂还原度的增加,醇酮的总收率是先上升后下降的,在50%还原的催化剂上得到最大收率(5.5%)。

After UV irradiation and the decomposition of diazium group, the linage of the films will be converted from ionic bond to covalent bond, result in the films could resist the etching of polar solvents and strong electrolyte.

利用传统的三电极光电转换装置,以0.5M KCl溶液为支持电解质,测试了含聚苯胺衍生物超薄膜的光电转换性能,并考察了影响光电流产生的影响因素。

H was thought that the reason for different grain shape was anisotropic diamagnetic susceptibility of doped PAN and orientations of the HMF.

分析认为这是由于强磁场对聚苯胺晶粒的取向作用所至。

Some of yellow azo pigments have been synthesized by coupling of acetoacetarylide derivates with different substituted nitroaniline diazonium salts. The relationship between pigment structure and shade, m. p., and thermal stability, and the, effect of addition of surface active agent on coupling reaction product have been studied. TGA and differential thermal analysis in air of the pigments and the variance of visible spectra reflectance have also been determined.

以不同取代的硝基苯胺衍生物为重氮组分与乙酰基乙酰芳胺衍生物为偶合组分,合成数种黄色颜料,观察了不同表面活性剂对其偶合产物性能的影响;研究了颜料分子结构与色光、熔点及热稳定性之间的关系;测定了颜料热重曲线及加热试样对可见光反射性能的变化。

First, the precursor polymer with azobenzene groups on main-chain was obtained by condensation polymerization between 4,4'-dihydroxyazobenzene and N,N-(2-bromoethyl)aniline through Williamson reaction. Then the azo polymer containing azobenzene groups both on main-chain and side-chain was prepared through an azo-coupling reaction between the precursor polymer and the diazonium salt of 4-nitroaniline.

设计并合成了一种新型的主侧链均含偶氮生色团的聚合物,首先通过4,4'-二羟基偶氮苯与N,N-二溴乙基苯胺之间的Williamson反应缩聚得到主链含偶氮苯基团的先驱聚合物,再通过重氮偶合反应得到目标产物,并利用核磁共振、红外光谱、紫外可见光谱、热分析等手段确认了所制备聚合物的结构。

The diazotization and hydrolysis process was used to synthesize high-purity m-cresol using m-toluidine as the main material.

间甲酚是一种重要的精细化工中间体,以间甲苯胺为原料,采用重氮化-水解法制备高纯度间甲酚,通过正交实验和单因素实验对重氮化反应工艺条件进行了优化。

In this paper,the factors,which consisted of acidity,nitrite,the time of diazotization,concentration and time of decomposing excessive NaNO2,dosage of N-na reagent,time of coincidence and beam,were studied to character the effect of analysis for aniline compound in water.

研究了酸度、亚硝酸盐、重氮化时间、分解过量NaNO2所用试剂的浓度和时间、N-na试剂用量及偶合时间、光线等因素对水体中苯胺类化合物分析的影响。

Syntheses of Curing Agent Modified Dicyandiamide by m-Toluidine;2. The diazotization and hydrolysis process was used to synthesize high-purity m-cresol using m-toluidine as the main material.

间甲酚是一种重要的精细化工中间体,以间甲苯胺为原料,采用重氮化-水解法制备高纯度间甲酚,通过正交实验和单因素实验对重氮化反应工艺条件进行了优化。

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推荐网络例句

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候,里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色,卵在发育96h后卵基本全部孵化。

There was a conflict between plebs and patricians in ancient Rome in 494BC.

在公元前494年,罗马发生了一次平民反对贵族的斗争。