英汉例句

• all to rohs standard, plating line with general international environmental protection standards, the lead, cadmium, mercury, hexavalent chromium not to exceed bid.

  所有镀种符合rohs标準，符合国际通用环保标準，铅、镉、汞、六价铬不超标。

• this experiment mainly investigates several aspects as follows:the effects and mechanism of removing hexavalent chromium using ion-exchange;

  实验中主要研究以下几点：离子交换对六价铬的去除效果和机理；

• chromium-free passivating agent is a water-based chromium-free pre-treatment chemical, which can substitute traditional hexavalent chromium conversion coating.

  无铬钝化剂是一种水性无铬预处理化学品，可替代常规的六价铬转化涂层。

• it's urgent to develop the technique of trivalent chromium plating because of the heavy pollution of hexavalent chromium plating.

  六价铬电镀工艺存在严重的环境污染问题，利用三价铬镀铬取而代之已经迫在眉睫。

• all the rohs standards, in conformity with the plating line with general international environmental standards, lead, cadmium, mercury, hexavalent chromium not to exceed bid.

  所有镀种符合rohs标準，符合国际通用环保标準，铅、镉、汞、六价铬不超标。

• in general, hardened fly ashes compacted at the optimum moisture content are with higher hexavalent chromium leachability than hardened fly ash slurry.

  一般来说，干硬击实粉煤灰硬化体中六价铬离子的溶出量较泥浆硬化体的高。

• development of additives for hexavalent chromium plating was described. functions of the additives were classified, action mechanisms of the additives were investigated.

  介绍了近年来六价铬电镀添加剂的发展，根据添加剂的作用进行了分类，并探讨了其作用机理。

• the research development of microbial reduction of hexavalent chromium in wastewater is described.

  本文综述了微生物还原处理含六价铬的废水的研究进展。

• this study discussed the effect of applied voltage on the removal efficiency and electrical energy consumption of electrokinetic remediation kaolin polluted by hexavalent chromium at laboratory scale.

  采用电动修复装置进行试验，研究了污染高岭土电动修复过程中不同电压对修复效率和电能消耗的影响，探讨了其经济有效的电压范围。

• trivalent chromium and hexavalent chromium are two main states of the chromium in foods.

  三价铬及六价铬是食品中微量元素铬的两种主要存在价态。

• hexavalent chromium is a carcinogen, traditional hexavalent chromium craft is very harmful to the environment and the human being.

  六价铬是致癌物，传统的六价铬钝化工艺对环境与人体健康存在严重的危害性。

• hexavalent chromium plating has weaknesses such as toxicity and environmental pollution.

  六价铬电镀具有毒性大、环境污染严重等缺点。

• the experimental results showed that boiling water extraction is suitable for testing soluble hexavalent chromium compounds and weak alkaline extraction suitable for amphoteric metal coatings.

  实验表明，沸水萃取法适用于可溶性六价铬的萃取，弱堿萃取法可用于两性金属涂镀层。