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作为钝化使用的六价铬。Hexavalent Chrome Cr-VI when used as a passivate.

六价铬和镉也已消灭的材料清单。Hexavalent chromium and cadmium have also been eliminated from the list of materials.

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六价铬常作为金属板用于制造涂料、燃料、塑料和墨水。Hexavalent chromium is used to plate metals and to make paints, dyes, plastics and inks.

六价铬电镀具有毒性大、环境污染严重等缺点。Hexavalent chromium plating has weaknesses such as toxicity and environmental pollution.

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。Trivalent chromium and hexavalent chromium are two main states of the chromium in foods.

镀锌为三价铬钝化及六价铬钝化工艺。Galvanized to trivalent chromium and hexavalent chromium passivation passivation process.

目的建立饮用水中微量六价铬的灵敏、快速的测定方法。To establish the sensitive and rapid determination of hexavalent chrome in drinking water.

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本文综述了微生物还原处理含六价铬的废水的研究进展。The research development of microbial reduction of hexavalent chromium in wastewater is described.

在吸收势电冰箱中作为碳钢冷却系统防腐剂的六价铬。Hexavalent chromium as an anti-corrosion of the carbon steel cooling system inabsorption refrigerators.

实践证明，经处理的废水中六价铬含量达国家排放标准。It proved that hexavalent chromium content in disposed effluent meets national standard for effluent discharge.

12个矿井在没有环境保护措施的情况下开采，六价铬离子不断渗析入饮用水中。Twelve mines operate without environmental controls, leaching hexavalent chromium into drinking water supplies.

作为一种防腐剂，它也可以添加到不锈钢里，其在焊接过程中可以释放六价铬。As an anticorrosive agent, it is also added to stainless steel, which releases hexavalent chromium during welding.

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重铬酸钠是NTP在研究中使用的一种含有六价铬的无机化合物。Sodium dichromate dihydrate is an inorganic compound containing hexavalent chromium that was used in the NTP studies.

但由于其含有对环境有害的六价铬，必须对其进行防危害处理或回收利用。But it contains hexavalent chromium which is harmful to the environment, we have to prevent the harm of its disposal or recycling.

加利福尼亚提出的健康目标是要将由可能由六价铬引起癌症风险降低到百万分之一。California’s proposed health goal is designed to limit possible cancer risk to just one in a million for those exposed to hexavalent chromium.

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

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

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在高温下，用碱性过硫酸钾溶液将水样中三价铬氧化为六价铬，比色测定总铬。Trivalcnt chromium was oxidized to hexavalent chrome by alkaline potassium persulfate under high -temperature. Then total chromium was measured by colorimetry.

介绍了六价铬电镀及取代六价铬电镀特别是三价铬电镀的研究现状和有关的技术及政策。The research status, related technology and policy of hexavalent chromium electroplating and alternatives to hexavalent chromium electroplating were introduced.

所有镀种符合ROHS标准，符合国际通用环保标准，铅、镉、汞、六价铬不超标。All to ROHS standard, plating line with general international environmental protection standards, the lead, cadmium, mercury, hexavalent chromium not to exceed bid.