Methods: 1148 children's venous blood lead was detected by the method of graphite furnace atom absorbance spectrum.
方法：用石墨炉原子吸收光谱法对1148名儿童进行静脉血血铅检测。
With PDA System the experiment and spectrum analysis on turbulent now had been conducted for vertical bias combustion in tangentially fired furnace.
采用PDA测量系统对四角切圆燃烧锅炉垂直浓淡煤粉燃烧方式下炉内湍流特性进行了实验研究和频谱分析。
With PDA System the experiment and spectrum analysis on turbulent now had been conducted for vertical bias combustion in tangentially fired furnace.
采用PDA测量系统对四角切圆燃烧锅炉垂直浓淡煤粉燃烧方式下炉内湍流特性进行了实验研究和频谱分析。
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