查询词典 hexavalent

RoHS Directive stipulates that from July 1, 2006, All member states should invest in the market to ensure that the restrictions on the use of electronic and electrical equipment, lead, mercury, cadmium, hexavalent chromium, polybrominated diphenyl ether and polybrominated biphenyls and other hazardous substances.

RoHS 指令规定，从2006年7月1日起，各成员国应确保在投放于市场的电子和电气设备中限制使用铅、汞、镉、六价铬、多溴二苯醚和多溴联苯等有害物质。

From July 1, 2006, the new electronic and electrical products into the EU market, lead, mercury, hexavalent chromium, polymerization bromide biphenyl or polymerization bromide diphenyl ether content must not exceed 0.1% of the weight of the components, the cadmium content of no more than 0.01% of the weight of the host material.

从2006年7月1日起，新投入欧盟市场的电子电器产品中铅、汞、六价铬、聚合溴化联苯或者聚合溴化联苯乙醚含量不得超过该元件的重量的0.1%，镉的含量不得超过所在材料重量的0.01%。

Not only lead, but cadium, mercury, hexavalent chromium, polybrominated biphenyl, and polybrominated diphenyl ether flame retardants are limited as well.

不仅带领，但是cadium、水银、六价的铬、多溴化的联苯和多溴化的二苯基以太火焰阻化剂被限制。

These directives limit the use of six hazardous materials in the manufacture of electronic and electrical equipment: lead, mercury, cadmium, hexavalent chromium (chromium VI or Cr6+), polybrominated biphenyls, and polybrominated diphenyl ether.

这些标准限制了6种有毒材料在电子电气设备生产中的应用：铅，汞，镉，六价铬(chromium VI 或 Cr6+)，多溴联苯，多溴联苯醚等。

Restriction on the Use of Hazardous Substances bans new electronics containing more than agreed-to levels of lead, cadmium, mercury, hexavalent chromium, and polybrominated biphenyl as well as polybrominated diphenyl ether flame retardants.

在关于有毒物质使用的欧洲联邦法律限制新型电子设备中含有超标的铅、镉、汞、六价铬和多溴化联苯、多溴化二苯醚阻燃剂。

However, chromates have caused increasingly environmental concern. The need to find low toxicity alternatives to hexavalent chromium-based passivation treatment is of prime importance. Molybdate passivation can be used to replace chromate in a wide range of applications.

但由于铬酸盐钝化对环境的污染，寻找一种低毒的代替铬酸盐钝化的处理工艺是十分必要的，钼酸盐钝化是最有前途的一种。

Cement clinkers and fly ashes produced in different areas of China were examined and leachable hexavalent chromium Cr was found in all samples.

调查分析了我国部分地区水泥、水泥熟料和粉煤灰，发现这些材料中均含有一定数量的可溶性六价铬离子 Cr。

In the case of decorative zinc electroplatings, a further enhancement of the appearance of such substrates in addition to the corrosion resistance imparted is achieved by the passivate film which ranges from a clear bright to a light blue bright appearance simulating that of a chromium deposit or alternatively, a clear light-yellow appearance simulating that obtained by use of prior art hexavalent chromium solutions.

可选择的治疗方法，可进一步遏制卤化物包括氟离子、氯化物和溴化物离子进一步增加了硬度钝化膜以及一个或多个兼容为实现高效润湿剂接触基板对待。现在的发明特别地可适用但是不限制在碱而产生酸非氰化物的锌的治疗使电解沉积传授对被对待的基体改良的腐蚀抵抗和装饰的外表。

Hexavalent chromium in corrosive preventive coatings of unpainted metal sheetings and fasteners used for corrosion protection and Electromagnetic Interference Shielding in equipment falling under category three of Directive 2002/96/EC (IT and telecommunications equipment).

2002/96/EC指令内三类产品的设备内用于防腐蚀和抗电磁干扰的未镀层金属板和紧固件中作为防腐蚀镀层的六价铬。

Hexavalent chromium in corrosion preventive coatings of unpainted metal sheetings and fasteners used for corrosion protection and Electromagnetic Interference Shielding in equipment falling under category three of Directive 2002/96/EC (IT and telecommunications equipment).

2002/96/EC指令涉及的第三类设备中用来防止腐蚀和屏蔽电子干扰的未喷漆金属薄板及扣件上防腐涂层中的六价铬。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。