microdiffusion meaning in Chinese

微扩散
微量扩散

Photography - processing waste - determination of ammoniacal nitrogen microdiffusion method
摄影.冲洗废液.氨态氮含量的测定
Photography - processing waste - determination of total amino nitrogen microdiffusion kjeldahl method
摄影.冲洗废液.氨态氮总含量的测定
Standard test method for determination of free cyanide in water and wastewater by microdiffusion
用微扩散法测定水和污水中游离氰化物的标准试验方法