The nitrogen, which is in ammonium in the ammonia sulfite pulping waste liquor of rice straw, is converted into organic nitrogen by using oxide-ammonium decomposition method.
稻草亚硫酸铵法制浆废液采用氧化氨解的方法，将废液中的铵态氮转化为有机氮。
The technical economic analysis of using anticorrosion rotary di gester for ammonia sulfite pulping is conducted.
应用技术经济方法对亚铵法防腐蒸球进行技术经济分析。
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