• 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.

    结果表明蔬菜硝酸盐含量均值超过世界健康组织规定含量标准含量一半以上超标。

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  • The continuous determination of arsenic and lead in the solution of the same sample by spectrophotometry is described, based on the reaction between hydrides and silver nitrate.

    本文提出氢化物与硝酸银反应基础试样溶液连续测定微量分光光度法。

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  • Alveolar oxygen into nitrogen compounds, lead to the formation of nitrite and nitrate, a sharp stimulus to the lung tissue, increased pulmonary capillary permeability, leading to emphysema.

    化合物进入肺泡后形成亚硝酸硝酸组织产生剧烈的刺激作用增加毛细管通透性,最后造成肺气肿。

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  • Oxidation of yellow lead monoxide by a fused sodium chlorate-sodium nitrate mixture;

    熔合通过通过熔化将(各成分)混合在一起;

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  • Oxidation of yellow lead monoxide by a fused sodium chlorate-sodium nitrate mixture;

    熔合通过通过熔化将(各成分)混合在一起;

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