This work could provide a scientific basis for safety production, safety usage and health standard revision of mercury and its compounds.
这项试验为汞及其化合物的安全生产、使用和卫生标准修订提供科学依据。
2
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标准,符合国际通用环保标准,铅、镉、汞、六价铬不超标。
3
The result shows that the nitrate contents in vegetables has surpassed the standard content set by the World Health Organization. Lead and mercury contents have also surpassed a half.