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Reductive dechlorination of polychlorinated biphenyls by zero-valent metal ;2. Zero-valent metals can be used to treat many kinds of pollutants including Organohalides,heavy metal,nitro-aromatic compounds,azo dye,perchloride and nitrate etc.

介绍了零价金属在处理环境污染物中的具体应用,包括卤代有机物、重金属、硝基芳香族化合物、偶氮染料、高氯酸盐以及硝酸盐等,指出零价金属可以通过还原和混凝吸附等作用有效地治理环境污染物,并分析了零价金属处理污染物的特点和应用前景。

Requirement and processing method of the experimental water used in the process of Permanganate Index measurement are introduced briefly in this paper.

高锰酸盐指数是水质监测的主要项目之一,它是地表水和地下水受还原性无机物和有机物污染的重要衡量尺度。

There was a significant difference among organic matter degradation by ozone, chlorine and potassium permanganate.

结果表明,3种不同氧化剂对有机物的去除效果存在较大差别。

Influence of Dissolved Organic Matter on the Eco-toxicity of Phenanthrene in a Soil.

水溶性有机物对土壤中菲的生态毒性的影响。

It is complex to study the kinetics and mechanism for photocatalysis degradation of organic contaminants.

光降解有机物的动力学及机理研究一直是光催化反应过程中一个较为复杂的问题。

Adsorption and TiO2 photocatalysis are widely used for the removal of indoor volatile organic compounds.

多孔吸附剂吸附和纳米TiO2光催化是目前室内挥发性有机物去除所采用的主要手段。

Adsorption and TiO2 photocatalysis were widely used for the removal of indoor volatile organic compounds.

多孔吸附剂吸附和纳米TiO2光催化是目前室内挥发性有机物去除所采用的主要手段。

Nanoparticles as a catalyst used in the semiconductor photocatalyst, especially in the area of organic preparation.

纳米微粒作为催化剂应用较多的是半导体光催化剂,特别是在有机物制备方面。

There are a number of different ways to collectively refer to those chemical compounds that participate in photochemical reactions.

总的来说,涉及到这些参与大气光化反应的有机物有很多不同的方向。

The mesoporous TiO2 also showed high photocatalytic activities on photodecomposition of p-chlorophenol in bleaching wastewater, after 2 hours reaction under the UV-irradiation of 250W, the removing rate of p-chlorophenol was up to 95.3%.

光催化降解对氯苯酚表明介孔TiO2具有优异的催化性能,在250W紫外灯照射2h后,氯化有机物中的苯环特征峰完全消失,降解率可达95.3%。

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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐

The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.

血精的原因很,以良性病变为主。