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tu rang zhong an tai dan de ce ding fang fa
Author(s): 
Pages: 
Year: Issue:  9
Journal: Occupation

Keyword:  氨态氮分光光度法吸光度标准工作曲线;
Abstract: 本文用分光光度法测定不同浓度氨态氮的吸光度,利用计算机改进数据处理方法,作出标准工作曲线;将土壤用氯化钾处理后,测出吸光度即可计算出土壤中的氮含量.
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