Studies on the synthesis of cyclophosphorylthioureas 环状磷酰基硫脲的合成研究
Studies on the synthesis and herbicidal activities of n , n - di 2 - chloroethenyl - phosphorylbithioureas 磷酰基双硫脲的合成及除草活性研究
In nonhalogen flameretardant technique , the fineness ( micronization , high - purity , surface activation ) and coherent effects of ath make its flame - retardant performance increase greatly . there are broad development prospects 本文综述了冷却水处理中水溶性聚合物的发展历史与最新进展,讨论了结构与性能的关系,并重点注意了磷酰基和大分子结合的含磷聚合物。