总氨、总磷、锌是重点监测和控制的优先污染物。
T-N, T-P and Zn were the priority pollutants to be monitored and controlled in Dongta.
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。
Two alternative methods measuring total nitrogen of aquaculture pond soils, named total Ammonia method and Nitrate method, were established.
叙述了用等压似三元相图计算尿素工艺中减压加热分解工序中的甲铵分解率、总氨蒸出率以及分解后的气液组成的方法。
The nomograms provided can be used to calculate the above parameters under the conditions of various decomposition pressures and heating temperatures in the traditional aqueous solution…
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