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两性物质
1、substance share───物质份额
2、amphoteric───adj.[化学]两性的(酸性的或碱性的)
3、harmful substance───[环境]有害物质
4、substance P───P物质;肽物质(即神经传递介质)
5、substance───n.物质;实质;资产;主旨
6、chemical substance───化学物质
7、amphoteric acid───两性酸
8、amphoteric hydroxide───两性氢氧化物
9、spilled substance───溢出物质
1、Various substance has very small autoprotolysis constants which, however, has more large difference, so that the amphoteric solvents are found more wide application in titrimetric analysis.───不同的物质具有非常小的,然而又是差异较大的自递常数。因此,这种两性溶剂在滴定分析中找到了更为广阔的应用领域。