六价的

Hexavalent chromium and cadmium have also been eliminated from the list of materials.

六价铬和镉也已消灭的材料清单。

Such as: the concentration of hexavalent chromium after treatment for the 0.042mg / L.

六价铬处理后的浓度为0.042mg/L。

The recent development of Cr deposition, especially hexavalent chromium electrdeposition was introduced.

摘要介绍了近年来电镀铬，特别是六价铬电镀的新发展。

EC 9. Hexavalent chromium as an anti-corrosion of the carbon steel cooling system in absorption refrigerators.

在吸收式电冰箱中作为碳钢冷却系统防腐剂的六价铬。

All companies in Thailand in early 2002 that a 'high-tech world, as China's first China Aerospace Group / Houston hospital / yellow rope lead the entire group radiation center Thai Plant, in full production, pyrocondensation Casing has approved UL / cUL International Security Certification, the industry took the lead at home and abroad by SGS comprehensive test: lead Pb, Cd Cd, mercury Hg, hexavalent chromium Cr, PBB PBBS, PBBs ether PBDES.

全泰公司于2002年初在著称'世界高科技、中国第一照的中国航天集团/中国火箭院/中国黄缆集团辐照中心筹建全泰二厂，已全面投产，热缩套管已通过UL/cUL国际安规认证，国内外同行业率先全面通过SGS测试：铅Pb、镉Cd、汞Hg、六价铬Cr、多溴联苯PBBS、多溴联苯醚PBDES。

Based on the prevention and cure principium of extract for Cr,the amphoteric modification was carried out to the waxberry extract through the treatments of sulphonation and Mannich reaction.

以栲胶对六价铬的防治原理为基础，通过磺化以及Mannich反应对杨梅栲胶进行两性改性。

We have the most advanced test equipment such as Bromid mass spectrum testing instrument ,Ca6+ Lumionosity testing instrument and ICP heavy metal testing instrument.

为了一个环保的地球家园，公司不惜世资引入溴合化物质谱测试仪、六价镉光度测试仪、ICP重金属检测仪等测试设备。

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。

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。

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。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。