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。

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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。

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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.

结果表明，蔬菜的硝酸盐含量均值已超过世界健康组织规定的含量标准，铅、汞含量也有一半以上超标。

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The debate surfaced a policy difference on the so-called mercury standard, EPA regulations to limit mercury and other air pollutants from power plants that have been linked to childhood asthma and other health problems.

FORBES: Obama Versus Romney On Energy -- In Depth This Time

While Environmental Protection Agency clean air regulations such as the Mercury and Air Toxics Standard (MATS) can explain some of the future expected displacement of coal by natural gas, shale gas economics is a significant reason for the displacement.

FORBES: Surprise Side Effect Of Shale Gas Boom: A Plunge In U.S. Greenhouse Gas Emissions