凯氏氮 meaning in English

kjeldahl nitrogen

Water quality - determination of kjeldahl nitrogen
水质凯氏氮的测定
Photo of total kjeldahl nitrogen concentration in the siu lek yuen nullah tr23l
小沥源明渠tr23l的凯氏氮含量图片
Total kjeldahl nitrogen
凯氏氮总量
Water quality - determination of kjeldahl - nitrogen gas - phase molecular absorption spectrcmetry
水质.凯氏氮的测定.气相分子吸收光谱法
Leachate . determination of kjeldahl nitrogen . method after mineralization with mercuric sulfate catalyst
生活垃圾渗沥水.凯氏氮的测定.硫酸汞催化消解法

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