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Acetanilide preparation of micro-experiments, the use of smaller amounts of reagents and shorter time to obtain a satisfactory experimental results.

乙酰苯胺制备的微型实验,利用较少量的试剂和较短的时间获得了满意的实验效果。

Anilido-imino nickel complex 1 {(C6H3Me2-2,6)N=CH-5-NO2-C6H3N (C6H3Me2-2,6)}NiBr was first synthesized, and its catalytic behavior toward polymerizations of norbornene and ethylene in the presense of methylaluminoxane were investigated in detail. The complex activated with methylaluminoxane exhibited high activities for norbornene polymerization.

首次合成了苯胺基亚胺镍配合物1{(C6H3Me2-2,6)N=CH-5-NO2-C6H3N(C6H3Me2-2,6)}NiBr,研究了其在助催化剂甲基铝氧烷的作用下对降冰片烯、乙烯的均聚以及对降冰片烯和乙烯的共聚的催化性能。

The study results further indicate that it is feasible that studying the mechanisms of antiknock by making use of the electrochemical properties, which has guiding purpose in seeking new antiknock.

这一实际应用情况与各苯胺类化合物所表现出的电化学性质是相符的,表明利用电化学性质探讨抗爆机理是可行的,也对抗爆剂的寻求具有指导意义。

The expression of AtPP2like gene(lec17 and lec26)in Cucumis melo determined by RT-PCR and the callose deposition in phloem measured by aniline blue staining were both induced by HrpNEa.

利用反转录PCR的方法,检测了甜瓜两个AtPP2类似蛋白的编码基因lec17和lec26,受到HrpNEa的诱导表达增强,同时通过苯胺蓝染色鉴定了胼胝质在HrpNEa处理的甜瓜植株中沉积增加。

The expression of AtPP2like gene (lec17 and lec26) in Cucumis melo determined by RT-PCR and the callose deposition in phloem measured by aniline blue staining were both induced by HrpN.

利用反转录PCR的方法,检测了甜瓜两个AtPP2类似蛋白的编码基因lec17和lec26,受到HrpN的诱导表达增强,同时通过苯胺蓝染色鉴定了胼胝质在HrpN处理的甜瓜植株中沉积增加。

According to the properties of substituted thiourea derivatives,4 symmetric and 12 unsymmetric thiourea compounds were synthesized by reaction of alkyl amine or substituted aniline with carbon bisulfide or some isothiocyanates .

针对不同活性的取代硫脲,采用脂肪胺或取代苯胺与二硫化碳或不同种类的异硫氰酸酯反应,合成了4种对称的和12种非对称的硫脲衍生物。

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%)。

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。

It is demonstrated that living polymerization can be achieved when the concentration of electron pair donors such as DMAB or Et3N is higher than that of trace water in the polymerization system,and that polymers with narrow molecular weight distribution can be obtained.

发现当N,N-二甲基苯胺或三乙胺的浓度稍高于质子性杂质的浓度时,即能实现异丁烯的活性聚合,得到分子量分布较窄的聚合物。

The scanning electron micrographs showed distinct changes in morphological structures.

扫描电镜拍摄的微观照片显示,聚苯胺薄膜的形态发生了明显的变化。

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