abrupt change

用法例句

In this paper,we study the influence factors about acid-base titration jump and the stoichiometric point by deducing approximate calculation formula of acid-base titration.

本文推导出了强酸强碱、一元弱酸弱碱、多元弱酸弱碱滴定突跃、化学计量点的近似计算式,用公式说明了影响滴定突跃的因素及化学计量点的位置,并得出了一些重要结论。

A discussion on precipitation titrations with logarithmic diagrams in titration break and concentration of indicator,controled pH region and titration error,is given.

本文应用对数图讨论了沉淀滴定中的滴定突跃、指示剂浓度、ｐＨ控制范围和终点误差。

Simple calculation and Its discrimination equation for titration break in titration are analyed.

论述了滴定分析中滴定突跃简化计算及其判别式，提出一种包括非对称电对的氧化还原滴定突跃计算通式。

Of the development type of abrupt change gradual advance,and leap over,the development type of gradual advance is the best choice.

在"突变式飞跃"、"渐进式飞跃"和"跨越式发展"的发展模式中,"渐进式飞跃"是我们最佳选择的发展模式。