The success of larval control depends upon many factors such as the chemical ingredients and formulation of the selected larvicides ; the timing , rates and methods of application ; and the physical and environmental conditions 使用灭蚊幼虫剂防治蚊患的成效,取决于多项因数,包括所选用杀幼虫剂的化学成分及配方、施放的时间、分量及方法、天气情况,及周围的环境等。
Based on the kelon - pdms , presents some problems of key technologies on implementation of fdm in enterprises , introduces a method of application development in customizing pdm and realizes information integration in kelon - cims 摘要以科龙产品数据管理系统为背景,提出了企业实施产品数据管理的几个关键技术问题,介绍了产品数据管理实施中的应用开发方法,实现了科龙cims的信息集成。
1 apply the coating to flat ( plane ) panels with the substrate , method of preparation , method of application , coating system , film thickness , and method of drying consistent with the anticipated end use , or as mutually agreed upon between the producer and user 采用与最终用途一致、或生产商与客户一致通过的底材、预处理方法、涂敷方法、涂料体系、涂层厚度以及干燥方法,将涂料涂敷于平板