查询词典 cyclohexane

Some new α,β-unsaturated sulfones were prepared by condensation of 4-nitrophenylsulfonylacetates with aromatic aldehydes in cyclohexane/CH_3CH_2OH in the presence of catalytic amounts of piperidine.

不饱和砜是以对硝基苯磺酰基乙酸酯为原料与芳香醛在六氢吡啶醋酸盐催化下发生缩合反应制得的。

METHODS With thymol and bupivacaine as the internal standards for propofol and lidocaine respectively,the extraction was performed with cyclohexane.

以麝香草酚和布比卡因分别为异丙酚和利多卡因的内标，样品用环己烷提取。

Methods The propofol in blood was extracted with cyclohexane,and thymol was used as the internal standard,determining the concentration of propofol by HPLC fluorescence detector.

用环己烷提取全血中的丙泊酚，以百里酚为内标定量，用HPLC 荧光检测器测定丙泊酚含量。

Hydroxyapatite acerate nanoparticles with mean size ranging form 20~50nm are synthesized by the impinging stream devise using emulsion systems consisting of aqueous phase, cyclohexane as the oil phase and OP-10, n-octanol as the nonionic surfactant in definite pH value.

在一定pH值条件下，采用水溶液/环己烷/OP-10/正辛醇四元反相微乳液体系并结合撞击流技术制备出粒径为20~50nm的针状纳米羟基磷灰石晶体。

To summarize this new preliminary study, we have shown that the combination of Mn and Co is an efficient catalyst for the one-step aerobic oxidation of cyclohexane to adipic acid, displaying a much higher activity than Co and Mn alone.

总结这一新的初步研究，我们已经表明，相结合的锰和钴是一种有效的催化剂一步有氧氧化环己烷合成己二酸，展示了高得多的活性比钴和Mn独立。

In aqueous solution no binding observed in crystal structure. In cyclohexane, one amylamine molecule is observed in the active site of trypsin and more sulfates are also found on enzyme surface, which are further proofs that electrostatic interaction are stronger in organic solvent.

在水溶液中，晶体结构难以观察到戊胺与牛胰酶的结合，在环己烷中，一个戊胺分子结合在胰酶的活性中心，同样酶表面观察到了更多的硫酸根，这些都进一步验证了有机溶剂中静电相互作用加强。

The yield of 1 is improved by cyclohexane-aided azeotropic removal of AcOH from the reaction mixture.

结论通过加入环己烷与醋酸共讲的方法来除去醋酸，提高了化合物1的收率。

The optical nonlinearities, including the nonlinear absorption, the nonlinear refraction and the third-order nonlinear polarizability of 2-(2′-hydroxyphenyl)benzothiazole in cyclohexane, have been investigated using a single-beam Z-scan technique.

以532 nm皮秒脉冲作泵浦光，采用单光束Z-扫描技术对具有激发态分子内质子转移效应的有机分子2-(2′-羟基苯基)苯并噻唑在其双光子吸收区的非线性光学特性进行了详细地研究。

This paper studied the catalytic transformation performances of hydrocarbon model compounds (such as n-Hexane,cyclohexane,1-Hexene) and sulfur-containing model compounds (such as thiophene,3-methylthiophene and benzothiophene) on ZSM-5 catalysts.

以正己烷、环己烷、1-己烯3种烃类和噻吩、3-甲基噻吩和苯并噻吩三种硫化物为模型化合物，考察了烃及含硫模型化合物在ZSM-5分子筛催化剂上的催化转化性能。

There may be an interpretation of bimolecular cyclohexane-type mechanism for n-hexane isomerization on H-mordenite.

用双分子六元环反应中间物机理能较好地解释正己烷在氢型丝光沸石上的异构化过程。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。