微分物质平衡
differential material balance
物质平衡分析
Material balance analysis
土壤硅酸盐矿物物质平衡
mass balance of silicate minerals in soil
常用物质组分
material composition in common use
腐殖物质组分
component of humic substances
平衡分组选择网络
balanced group selection network
物料平衡组分
material balance component
物质组分特征
Characteristics of Components
组分平衡原理
component balance principle