1) macro urea
常量尿素
1.
A new method for the determination of macro urea in liquid phase of urea plant was proposed Differential spectrophotometry with PDAB as chromogenic agent is used in this method The interference of ammonia and carbon dioxide in the samples is eliminate
以对二甲氨基苯甲醛(PDAB)作显色剂,采用示差分光光度法,建立了测定化肥尿素液相中常量尿素的分析方法,解决了试样中氨、二氧化碳的干扰问题。
3) urea quality
尿素质量
4) urea content
尿素含量
1.
Preliminary study on the influence of urea content on recombinant human granulocyte colony-stimulating factor quality;
考察尿素含量对重组人粒细胞刺激因子质量的影响
5) urea application amount
施尿素量
6) reduced urea
尿素减量