• 取适量的乳浊液制成试液,注入石墨炉中,以氘灯扣除背景吸收,石墨炉原子吸收光谱法的快速测定铅和镉。

    The amounts of cadmium and lead in the samples were determined by atomic absorption spectrometry with the deuterium lamp for the deduction of background absorption.

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  • 以往经常用自备柴油发电机组、蓄电池、干电池和镍镉电池应急灯作为应急备用电源。

    Traditionally, diesel oil-based generators, storage battery, dry battery and emergency lighting equipped Ni-Cd battery are always used as standby emergency power supply.

    youdao

  • 以往经常用自备柴油发电机组、蓄电池、干电池和镍镉电池应急灯作为应急备用电源。

    Traditionally, diesel oil-based generators, storage battery, dry battery and emergency lighting equipped Ni-Cd battery are always used as standby emergency power supply.

    youdao

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