查询词典 catalytic

The new research progress in synthesis of p aminophenol by chemical reduction,catalytic hydrogenation,electrochemical reduction and carbonic oxide reduction from nitrobenzene was reviewed.

评述了硝基苯化学还原法、催化加氢法、电化学还原法和一氧化碳还原法等合成对氨基苯酚的最新研究进展，认为对硝基苯还原法新技术的深入研究有利于医药和染料等行业的进一步发展，具有很好的社会和经济效益。

A new catalytic spectrophotometric method for the determinati-on of trace copper is described. This method is based on the oxidation of Phloxine by hydrogen peroxide in ammoniacal medium, catalyzed by copp-er.

本文提出了催化光度法测定痕量铜的新方法，此法是基于萤光桃红在氨性介质中被H_2O_2氧化的反应受到痕量Cu的催化。

Although the catalytic activity of angiogenin is rather weak, it is critical for its angiogenic properties.

血管生成素的核糖核酸酶活性很弱，但对它的血管生成活性是至关重要的。

Longiflora. var. tubiformis had some antioxygenation on butter, rapeseed oil and lard, with its obvious antioxygenation on rapeseed oil. Its antioxygenation on butter was obvious only in prophase but not in anaphase. It also had some catalytic oxidation on peanut oil and soybean oil.

结果］以三氯甲烷作萃取溶剂班唇马先蒿乙醇提取物对酥油、菜籽油、猪油均有一定的抗氧化作用，对菜籽油的抗氧化效果尤为明显；对酥油的抗氧化作用前期较明显，后期则不是很明显；对花生油、大豆油有一定的催化氧化作用。

The catalytic degradation of asphaltic sand swas related to the kinds of chloroaluminate ionic liquids and H^+ proton donor.

结果表明以上各种离子液体均有很高的催化活性，反应转化率在短时间内达到100％。

We can expect any sufficiently complex set of catalytic polymers to be collectively autocatalytic.

我们期望任何一种极其复杂的接触反应的聚合体都变成集体的自身催化。

We can expect any sufficiently complex set of catalytic polymers to be collectively autocatalytic.

我们期望任何一组极其复杂的催化聚合体都变成集体的自身催化。

TiO_2 as photocatalyst has widely been used to photodegrade these organic pollutants for its proper bandwidth, relatively high catalytic reactivity, physical and chemical stability, avirulence and cheapness and so on.

TiO_2具有合适的禁带宽度，作为光催化剂具有化学性质稳定、价廉易得、无毒、催化效率高等优点，因而被广泛地用来处理各种废水。

Meanwhile, Azoxybenzene was also detected by GC-Mass from the extracts of culture fluids with dichloromethane, which conformed the probability of the existence of two metabolites: nitrosobenzene and N-phenylhydroxylamine. Because Azoxybenzene might be yield from the reaction of these two compounds under the catalytic influence of alkali.

另外通过GC-MS测定硝基苯降解液的二氯甲烷提取物，测到氧化偶氮苯的存在，它能在碱的催化作用下由亚硝基苯和N-苯基羟胺反应生成，所以它的存在从反面证实了降解中间产物亚硝基苯和N-苯基羟胺的存在。

The introduction and application of catalytic reformation and isomerization process in Baka refinery not only solved the problem of gasoline uprating, but also provided a effective way for the secondary processing of Ⅱ light ends .

巴喀原稳厂通过非临氢重整及异构化工艺技术的引进和应用，不仅解决了巴喀原稳厂汽油产品的升级换代问题，而且为油田Ⅱ轻烃的二次加工提供了有效途径。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。