查询词典 catalytic

The high selectivity cis-pinane prepared from α-pinene by catalytic hydrogenation with nickel catalysts was studied in this paper.

本文研究了以镍系催化剂催化α-蒎烯加氢合成高选择性的顺式蒎烷。

The quality of cis-pinane synthesized from α-pinene by catalytic hydrogenation effects its post-products' yields and qualities.

以蒎烯为原料合成各种萜烯香料受到国内外香料界的普通重视，α-蒎烯催化氢化合成的顺式蒎烷的品位直接影响到后续产品的收率和质量。

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。

The tremendous influence on the toughening effect by the added bisphenol A was only obtained when the basic catalytic curing agents such as piperidine and triethanol amine were used. The rise in the ...

结果指出固化物冲击韧性的提高与网络交联密度有关，断裂韧性的提高是析出橡胶相体积分数增大和基体交联密度减小的协同作用所致。

In 0.40 mol/L HAcNaAc(pH=5.00) buffer solution, a highly sensitive complex catalytic hydrogen wave of Rh5NO2PADAT was obtained by using singlesweep polarograph.

但在极谱分析中应用未见报道。本文研究发现，在HAc-NaAc缓冲溶液中，铑与5-NO2-PADAT形成的配合物于-1.20Vvs。

Electroannalytical methods are characterized by cheap, high sensitivity and selectivity,especially the stripping voltammetry and catalytic polarography.

电化学分析一直是十分活跃的领域，其中的极谱法以其灵敏度高、选择性好及设备简单、价格低廉而倍受广大电化学分析工作者的关注和重视。

Can be seen that individual housing loan policy on the catalytic role of the real estate boom can not be.

可以看出，个人住房贷款政策的促进作用房地产不能。

It mainly introduced the catalytic degradation of polystyrene and drew a conclusion that degradation products vary with different catalysts.

介绍了聚苯乙烯的催化降解，并得出了使用催化剂不同，降解产品也不同的结论。

In addition, the redox system can, if required, also contain catalytic amounts of a polyvalent metal ion which may occur in a plurality of valency states.

此外，氧化还原系统，若需要，亦可包括催化量的多价金属离子，其可发生在多价状态。

The best compost of catalytic-oxidation is scalpped by perpendicular experiment,the best fugitive conditions arestudied in the best of the reaction between sulphuric acid- potassium bromide and sodium iodate .

研究了在3.0mol/L的硫酸介质中，溴化钾催化碘酸钠氧化偶氮胂M褪色反应的适宜条件与影响因素，建立了催化动力学褪色光度法测定痕量碘的新方法。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"