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。
Ammonia method, which has the advantages of low cost, simple process and no pollution, is suitable for the preparation of flame retardant grade m...
氨法具有低成本、工艺简单、环境友好等优点，用于苦卤提镁制取阻燃级氢氧化镁工艺可取得令人满意的结果。
Result showed that: the catalyst prepared by co-precipitating with nitrate showed better catalytic performance and texture than that prepared by ammonia method.
研究结果表明，用硝酸盐共沉淀法制备的催化剂，其性能和结构均优于用蒸氨法制备的催化剂。
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