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One of the very brisk filed of the theory chemistry is that studies on the relation between the conductivity and their structure of polyacene homologue.

聚并苯同系物的导电性与其结构之间关系的研究是理论化学的活跃领域之一。

One system found on the basis of HPLC system, which was suit for high temperature. The temperature selectivity was studied through analyzing benzene homologue and aromatic hydrocarbons.

本文在液相色谱基础上构建了一套适合高温分析的色谱系统,并通过对苯同系物及芳香烃的分离,考察了温度对色谱分离选择性的影响。

A new compound, 4-bis (2-chloroethyl) amino-benzoyl picolinoyl hydrazide was synthesized through eight-step reactions.

参照文献方法,以苯胺为原料,经八步合成,制备了新化合物苯甲酰氮芥菸酰肼,并对其结构加以表征。

The orange osmanthus skin-traditional Chinese medicine being taken as raw material, the active ingredient-phenol was extracted with the method of steam distillation and then the derivative of paeonol-aminoethanol and 2,4-dinitrophenyl hydrazone was synthesized. The structural characterization of the derivatives carried out was identified and the test in the anti-bacterial role of three kinds of gram-negative and positive bacteria was done with the method of agar diffusion.

方法]以丹皮为原料,用水蒸气蒸馏法从中药丹皮中提取活性成分丹皮酚,进而合成丹皮酚缩乙醇胺和2,4-二硝基苯腙衍生物,对衍生物进行了结构表征,并采用琼脂扩散法,对3种革兰氏阴性菌、阳性菌进行了抑菌性试验。

Benzaldehyde nitrogen mustard isonicotinoyl hydrazone was synthesized according to literature method. The copper , cobalt , nickel , chromium , iron , zinc and cadmium complexes of it were prepared and characterized by elemental analysis, IR, UV-vis, NMR and EPR spectra. The cytotoxicity effect of the complexes was examined on SMMC-7721 cell line. Results show that the complexes have definite antitumor activity and the synergic effect between chromium and the ligand.

依照文献合成了异烟肼苯甲醛氮芥腙及其铜、钴、铬、镍、铁、锌和镉配合物并用元素分析、红外、电子光谱、核磁共振及电子顺磁共振光谱,对这些配合物进行表征,确认了它们可能的立体结构,并研究它们对SMMC-7721人肝癌细胞的作用,结果表明它们均有一定的抗肿瘤作用,发现铬与配体存在有协同作用。

The additional activity of the mechanical mixture can be ascribed to the acid sites on dealuminated Y zeolite, where the activated hydrogen spilt over from the neighboring Pt sites could hydrogenate the adsorbed benzene with the formation of cyclohexane and methylcycloheptane.

发现虽然Y沸石本身没有加氢活性,但它的加入可以显著提高Pt/Al2O3的活性,因为在Pt中心上得到活化的氢可以快速溢流到邻近的沸石颗粒表面的酸中心上,并和吸附在其上的苯发生加氢反应生成环己烷和甲基环戊烷。

The catalysis behavior of Fe-MCM-48 and V-MCM-48 for the hydroxylation of benzene were studied.

并初步研究了Fe-MCM-48和V-MCM-48对苯的羟基化反应的催化活性。

A series of Ni-based catalysts with different supports were prepared by impregnation method and tested in the hydroxylation of benzene to phenol.

本文利用浸渍法制备了一系列不同载体的镍基催化剂,并将其用于苯的羟基化反应。

And when using benzene as solvent, amorphous phosphorus nitride imide were obtained, which were consisted of microtubes, hollow balls, solid balls and square frameworks. Through adjusting reaction time and temperature, the morphology of the samples was well controlled.

进一步引入苯作为反应的溶剂,在高压反应釜中在190-250℃反应得到了由微管、空心球、实心球和四方框组成的非晶HPN〓,并通过调节反应时间和温度使产物的形貌得到了很好的控制。

The dose-response curve of histamine was shifted parallely to the right. pA2 was 9.34±0.61. The guinea-pigs were effectively reduced the rate of histamine induced death, decreased reaction extent of shock (P<0.01) and prolonged latency period of shock (P<0.05) by orally administered cetirizine ranged from 0.1, 0.2 and 0.4 mg.kg-1. The capillary permeability to intracutaneous injection of histamine was potently inhibited by orally administered cetirizine ranged from 0.0625 to 0.25 mg.kg-1 in mice, blue area obviously decreased (P<0.01), and dose-response curve existed obviously. In which the effect of these dosage groups were superior to the group of chlorphenamine.

结果:西替利嗪3×10-8~3×10-7mol.L-1可剂量依赖性地对抗组胺引起的肠肌收缩,使组胺的量效曲线平行右移,pA2为9.34 ± s 0.61,西替利嗪0.1,0.2及0.4 mg.kg-1口服给药时,能明显减轻豚鼠静脉注射组胺所致休克反应的严重程度(P<0.01),并可延长豚鼠惊厥反应的潜伏期及降低死亡率(P<0.05),西替利嗪0.0625~0.25 mg.kg-1口服给药可显著对抗组胺引起的小鼠皮肤血管通透性的增高,使蓝染面积显著缩小(P<0.01),且存在明显的量效关系,3个剂量组的作用均优于氯苯那敏组。

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