urea synthesis

The research was based on the effects on synthesis of powder urea formaldehyde by reinforcing agent.

研究了增强剂对脲醛树脂性能的影响.

Some metal oxides, organic and inorganic salts were studied as catalyst for synthesis of aliphatic carbonic ester by alcoholysis of urea.

考察了以不同金属氧化物为催化剂对尿素醇解合成长碳链脂肪族碳酸二酯的催化活性，发现氧化锌具有较高的催化活性。

The structures, synthetic methods, insectical mechanism, degradation, together with environmental safety of benzoyl urea chitin synthesis inhibitors were reviewed in this paper.

对苯甲酰基脲类几丁质合成抑制剂的结构、合成方法、作用机制、代谢及环境安全性等进行了评述。

Recent Development of Benzoyl Urea Chitin Synthesis Inhibitors

苯甲酰脲类几丁质合成抑制剂的研究进展

Studies on the Synthesis and Biological Activity of Benzoyl Urea

苯甲酰脲类衍生物的合成及生物活性研究