...铝含量; 调查; 铝盐混凝剂 中图分类号: TU991. 21 文献标识码: A 文章编号: 1000- 4602( 2002) 01- 0005- 04 [gap=1260]Keywords: 1 drinking water; aluminum concentration; investigation; aluminum salts coagulant ..
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用分光光度法测定了豆类中的铝含量。
但锌池中铝含量的测量与控制还存在困难。
But it is still difficult to measure and control the content of aluminum in the zinc bath.
茶园土壤交换性铝含量随施氮量的提高而增加；
The content of exchangeable Al increased with the amount of applied nitrogen as urea.
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