micro-method powder X-ray diffraction
Food-stuff kjeldahl method
Kjeldahl method
基耶达法
凯氏法
克氏法
凯氏定氮法
凯氏蒸馏法
凯耳达<测氮>法
基耶达尔法
Kjeldahl method for nitrogen analysis
Kjeldahl method for nitrogen determination
modified Kjeldahl method
semimicro-Kjeldahl method
Method of instruction; Teaching method; Method of teaching