dumas method meaning in English

杜马法
杜马士法
杜马氏法

Soil improvers and growing media - determination of nitrogen - dumas method
土壤改良剂和生长剂.氮的测定. dumas法
Soil improvers and growing media - determination of nitrogen - part 2 : dumas method
土壤改良剂和生长媒介.氮含量的测定. dumas法
Soil improvers and growing media - determination of nitrogen - part 2 : dumas method ; german version en 13654 - 2 : 2001
土壤改良和生长介质.氮含量测定.第2部分:杜马法