短語詞組短語kjeldahl s method 凱氏定氮法Kjeldahl distillation method 凱氏蒸餾方法kjeldahl nitrogen method 凱氏定氮法Microdiffusion Kjeldahl Method Kjeldahl 微擴(kuò)散法Kjeldahl method for nitrogen 凱氏定氮法Kjeldahl nitrogen determination method 凱氏定氮法kjeldahl 's method 基耶達(dá)法;尅達(dá)氏法improved Kjeldahl method 改進(jìn)的凱氏定氮法 返回 Kjeldahl method