total ammonia nitrogen 总氨氮 ; 氨氮总量
total ammonia removal rate 氨氮去除率
uMAC C Total Ammonia &Monochloramine 在线水中总氨
total limited value of ammonia-nitrogen 氨氮总量限值
ammonia nitrogen and total phosphorus 氨氮和总磷减排
The correlation coefficient between total ammonia volatilization and N leaching rate was 0.903.
土壤氨挥发总量与肥料累积溶出量相关系数为0.903；
Two alternative methods measuring total nitrogen of aquaculture pond soils, named total Ammonia method and Nitrate method, were established.
本实验创立了二种水产养殖池塘底泥总氮含量简易测定法，分别称为总氨法和硝酸盐法。
Controlled-release fertilizers could markedly reduce total ammonia volatilization from soil and decrease environment pollution via fertilization.
控释氮肥能显著降低土壤氨挥发量，减少因施肥而引起的大气环境污染。
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