查询词典 oxidation process

Results showed that single ozone oxidation can only remove about 50% nitrobenzol, single active carbon absorption can reduce nitrobenzol to a standard index mark when empty-bed station time exceeded 15 minutes, but ozone oxidation-active carbon absorption technology can remove nitrobenzol completely when the time exceeded 10 minutes.

研究发现：单独采用0 氧化能去除约50％的硝基苯；单独采用活性炭吸附，在空床停留时间大于15 min时可使出水指标达到标准要求；而对于O 氧化一活性炭吸附工艺，当停留时间在10 min 以上时，可完全去除水中的硝基苯。

It is found that NaOH exhibited significant cocatalytic action on the oxidation of o and p nitrotoluenes and had no cocatalytic action on the oxidation of m nitrotoluene, and the cocatalytic action of alkali NaOH increased as the concentrations of NaOH increased.

发现NaOH对氧气氧化邻、对硝基甲苯有明显的助催化作用，且碱的助催化作用随着NaOH浓度的增加而增加；而对氧气氧化间硝基甲苯则没有助催化作用。

Titania-supported nonprecious oxides catalysts have been prepared by impregnation and coprecipitation, respectively, and tested for carbon monoxide oxidation. The supported copper oxide catalyst showed higher catalytic activity for CO oxidation.

对浸渍法和共沉淀法制备得到的各种TiO2负载氧化物催化剂进行了活性组分的筛选，结果发现，两种方法得到的CuO催化剂均具有优良的CO氧化催化性能。

Recent developments of clean oxidation systems catalyzed by polyoxometalates are summarized in detail. The emphasis is on the epoxidation reaction of olefinic compounds, oxidation of alkanes and aromatic compounds with the comparatively ideal oxidants, hydrogen peroxide and molecular oxygen respectively.

文本总结了多金属氧酸盐在液相清洁催化氧化方面的进展，主要针对以过氧化氢和分子氧为氧化剂的烯烃类化合物的环氧化反应、烷烃和芳香族化合物的氧化反应，并详细探讨了此类氧化反应的反应机理。

It has been a difficult problem to figure out efficient methods in treating coking plant wastewater because the degradation is difficult. Homogeneous Fenton reagent is one of oxidation methods which applies H_2O_2 as oxidation and Fe~(2+) as catalyst. In reaction,·OH is one of free radicals with excellent oxidizability.

Fenton试剂法是一种采用过氧化氢为氧化剂、以亚铁盐为催化剂的均相催化氧化法，反应中产生的·OH是一种氧化能力很强的自由基，能氧化废水中有机物，从而降低废水的色度和COD值。

The optimum conditions were obtained as follows: the weight ratio of fatty acids and 85%acetic acid is 1:4, ozonolysis temperature is 20-25℃, manganese/copper acetate as catalyst, and the amount of catalyst is 0.15% of fatty acids, oxidation decomposition temperature and oxidation decomposition time are 90-95℃ and 4 hours respectively. the yields of azelaic acid and pelargonic acid are 57.4% and 51.6% respectively.

以菜油酸为原料、85%醋酸水溶液为溶剂，经臭氧化、氧化分解、重结晶等过程制备壬二酸和十三烷二酸的最佳反应条件为：m：m(85%醋酸)=1：4，臭氧化温度20-25℃；氧化分解温度80-85℃，催化剂醋酸锰/醋酸铜用量为原料菜油酸质量的0.12%，氧化分解时间3h，重结晶溶剂壬酸的用量为5倍质量的氧化分解产物时，十三烷二酸的收率为58.3%，壬二酸的收率为57.2%。

The smaller the electronegativity is, the higher oxidation activity is. Thus phosphomolybdic acid shows better catalytic oxidation activity than phosphotungstic acid.

由于磷钨酸中的钨可以脱出并少量沉积到催化剂表面，而且从电负性来说Mo-O的键能小于W-O，键能小的杂多酸有较强的氧化性，所以钼系杂多酸催化活性要好于钨系杂多酸。

The analysis showed that the ZnO films prepared by two-step oxidation show higher photoactive characteristic than that prepared by direct oxidation method.

即先在纯氧气氛中低于金属锌熔点的温度下对制备的Zn膜进行初步氧化，然后再提高氧化温度进行二次氧化。

Recently,photocatalytic oxidation by semiconductor catalyst has been considered as one of a few advanced oxidation methods.

目前光催化氧化技术成为处理废水污染的方法中最有前景的一种。

Two different fading procedures were studied. One is the oxidation procedure on polyester fibers,the other is the reduction procedure on wool fibers.The study of oxidation procedure mainly focused on 11 disperse azo dyes and 11 disperse anthraquinone dyes. The study of reduction procedure mainly focused on 7 pyrazolone coupled acid azo dyes and 10 azo disperse dyes which has sulfonic group on the couple component.

本论文研究了11支偶氮型分散染料，11支蒽醌型分散染料在聚酯纤维上的分子结构与光牢度的定量关系，同时研究了7支以吡唑啉酮为偶合组份的偶氮型酸性染料和10支偶合组份上带有磺酸基的偶氮型酸性染料在羊毛纤维上的分子结构与光牢度的定量关系。

Molecular Distillation is a kind of high vacuum distillation method, which is suitable for the separation of high boiling, heat sensitivity and viscidity products.

分子蒸馏技术是一种在高真空条件下进行的连续蒸馏过程，适合于分离高沸点、热敏性及具有生物活性的混合物。

They are to the Noughties what yuppies were to the Eighties .

那在六十年代是时髦的，但在八十年代肯定是过时了