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1)  stoichiometric point
化学计量点
1.
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。
2.
The paper puts forward that by using proton balance equation of stoichiometric point,simple and easy derive formula of acid-base titration error for the all circumstances can be leaded.
提出利用化学计量点的质子条件式,可以简易导出各种情况下的酸碱滴定误差公式。
2)  electrode potential on chemical measuring point
化学计量点电势
3)  potential of stoichiometric point
化学计量点电位
1.
This article means to study the universal formula to calculate potential of stoichiometric point in redox titration and the application of this universal formula was discussed.
本文推导了一个普通适用于各类氧化还原滴定化学计量点电位通用计算式,并对该通用计算式的应用进行了讨论。
4)  stoichiometry [英][,stɔiki'ɔmitri]  [美][,stɔɪkɪ'ɑmətrɪ]
化学计量
1.
The effects of precursor solution on the stoichiometry of CuInS2 films were investigated.
分析了混合前驱体溶液中阳离子浓度比[Cu]/[In]对薄膜化学计量及性能的影响。
2.
The main factors that influence the quality of PZT piezoelectric ceramics include aggregation of powders, stoichiometry and aging etc.
影响PZT压电陶瓷质量的主要因素有粉体团聚、化学计量及老化等。
3.
The effect of ordering, microalloys elements,stoichiometry, and ordering energy on the ductiliza-tion of Ni3Al alloys was reviewed.
从Ni_3Al的有序性、微量元素、化学计量、有序能等几个方面分析、讨论了它的脆性、塑性转变规律。
5)  chemical meterage
化学计量
1.
The whole design thought of the verification management system for chemical meterage was proposed.
提出化学计量检定管理系统软件的总体设计思路。
6)  chemicometerage
化学计量
1.
There is no quality assurance of analysis without chemicometerage.
化学计量是理化试验室分析质量保证的基础,没有化学计量,也就没有分析质量保证。
2.
The present situation and the action of international comparison in chemicometerage are summarised.
概述了化学计量领域国际间比对的现状、国际间比对在化学计量中的作用并分析了若干国际比对实例。
3.
Introduce the process control of a few key links to assure value of a quantity bo be accurate and reliable in chemicometerage,according to the basic requirements of the measurement assurance principle, starting from characteristics of chemicometerage.
从化学计量的特点出发,根据测量保证原理的基本要求,简述了化学计量中保证量值准确可靠的几个重要环节的过程控制。
补充资料:化学计量点
分子式:
CAS号:

性质:又称等当点(equivalent point)。在滴定分析中,当加入的滴定剂的量(摩尔)与被测物的量(摩尔)之间,正好符合化学反应式所表示的化学计量关系时,称为反应到达了化学计量点。但实验时必须借助于指示剂变色或其他仪器方法(如电位滴定法和光度滴定法)来确定滴定终点。滴定终点与化学计量点往往不一致,由此造成的误差称为终点误差(end point error)。这是滴定分析误差的主要来源之一。

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