Nonsoluble nitrogen (NSN) and soluble nitrogen (SN) in ten tobacco samples were determined with a flow analyzer.
采用流动分析法测定了10种烟中的不溶性氮和可溶性氮。
Nonsoluble nitrogen (NSN) and soluble nitrogen (SN) in ten tobacco samples were determined with a flow analyzer.
采用流动分析法测定了10种烟中的不溶性氮和可溶性氮。
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