结果表明流动电位曲线敏锐地指示了低电荷密度的阳离子淀粉胶体滴定的终点。
The results showed that the curve of streaming potential indicated sharply the end point of titration for cationic starch.
比较了一次滴定与两次滴定结果，确定了两步滴定分析方法，通过精密度、准确度试验，证明方法可靠。
The two steps titration method has been set up through its comparison with the single step one. The method so adopted shows reliable through its precision and accuracy tests.
人工掐花萼法对减少石细胞团的直径和密度不显著，但它可提高可溶性固形物的含量，降低可滴定酸的含量，从而提高果实品质。
Niping calyces had no distinct effect to decrease stone cells, but total soluble solid contents were increased and titration acid contents were decreased, so it could improve fruit quality.
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