...pment should be installed at proper location with » 害虫控制设备应安装在适当的位置 presence of phosphate » 磷酸盐的存在 In fact, a broad range of technological achievements in this century has been made possible by the emergence of sound th...
基于1个网页-相关网页
磷肥在不同类型土壤中的退化机理不同，大部分磷以金属磷酸盐和羟基磷灰石的形式储存在土壤中。
There are different degradation mechanisms in different soils and most phosphorus are reserved in form of metal phosphates and hydroxylapatite.
方法应用分光光度法测定有磷酸盐及无磷酸盐存在时，HPAP在胍变性过程中的活力变化。
Methods Spectrophotometry was used to determine the changes of activity of HPAP during guanidine denaturation in the presence and absence of phosphate.
在分析传统GD170水泥结合高铝浇注料存在问题的基础上，论述了以磷酸盐为结合剂的新型浇注料的研制过程及使用效果。
This paper analyzes the problems of GD170 cements with high aluminum refractory castable and expounds the development and use result of the new phosphate with high aluminum refractory castable.
应用推荐