A pigment dispersant for water bornesystem was prepared by free radical polymerization and stable free radical polymerization.
采用自由基聚合和稳定自由基聚合，可合成水性体系用的颜料分散剂。
2
In countries with widespread nurse shortages, the public health system does not have the capacity to contain a vector-borne illness or to control the spread of contagious diseases.
在普遍缺少护士的国家中，公共卫生系统没有能力限制病媒传播的疾病或控制传染病传播。
3
This paper describes the simulation system for debugging and testing of air borne radar application software.