The uncertainty of calibration results for second-class standard mercury thermometers directly influences the delivered results of temperature quantity values.

二等标准水银温度计检定结果的不确定度，直接影响温度量值传递的检定结果。

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Third, The optical system, CCD, data acquisition board and spectrum analysis software has been integrated. Spectrum instrument is calibrated by standard mercury lamp.

将光学系统、CCD、数据采集卡和光谱分析软件组成完整的数字光谱分析系统。

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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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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.

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District Circuit Appeals Court-rejected Cross-State Air Pollution Rule and the Mercury Air Toxics Standard, are heavily premised upon condemnation of PM2.5 as a killer.

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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.

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