The determination of proteins is usually done Kjeldahl method and Londing method.

蛋白质的测定方法有凯氏法和隆丁法.

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The Kjeldahl is a general analysis method for determining nitrogen in rubber.

凯氏定氮法是测定橡胶中氮含量的常规分析方法.

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This test method is Kjeldahl sodium tungstate deposition.

采用凯氏定氮的钨酸钠沉淀方法.

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Research methods about standard samples of water quality determination of Kjeldahl nitrogen were put forward.

提出了水质凯氏氮标准样品的研究方法.

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