总凯氏氮 meaning in Chinese
total kjeldahl nitrogen
Examples
- The potential for river eutrophication was originally measured by seven nutrient parameters : ammonia - nitrogen , nitrite - nitrogen , nitrate - nitrogen , total kjeldahl nitrogen , ortho - phosphate , total phosphorus , and silica . more recently , in 2001 , two further parameters relating to eutrophication were added . these are the plant pigment parameters of chlorophyll - a and pheo - pigment
多年来我们根据七项营养参数水平来评估河水富营养化的可能性：氨氮亚硝酸盐氮硝酸盐氮总凯氏氮正磷酸盐总磷量及硅，于2001年我们增加了两项关于富营养化的植物色素新参数：叶绿素- a及叶绿素分子色素。