stoichiometric point
英
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网络 化学计量点; 计量点; 等当点; 化学计量
双语例句
- Analysis by volumetric procedures requires that some method of indicating the stoichiometric end point be employed.
用容量法进行分析时，需要使用一些指示化学当量终点的方法。 - 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。 - It only needs to record the electrode potentials at two points nearby the stoichiometric point and the corresponding volumes of the titrant, and the stoichiometric point can be calculated by the two-point equation.
该法只需记录两次电极电位值和相应滴定剂体积，利用公式即可计算滴定化学计量点。 - In mixed weak acid titration, calculation of PH of stoichiometric point, calculation of end point error and stepwise titration criterion are the must specific problems. This article means to study these problems.
在混合弱酸滴定中，化学计量点时PH值计算、终点误差计算，分步滴定判据是三个必须明确的问题，本文对混合弱酸滴定的这三个问题作一探讨。 - This paper proves mathematically some main equations given in the literature which are used to calculate the potential at the stoichiometric point of oxidation-reduction titrations.
本文对文献[1]-[3]中主要介绍的几种氧化还原滴定中化学计量点电位的计算公式从数学上进行了论证，指出了他们的异同点。 - Comparing with conventional method of violet spectrum, the method of potentiometric titration of lead tetraacetate has many advantages such as stable potentiometric value, exact and credible results, clear potentiometric abrupt change in stoichiometric point and simple operation.
与传统的紫外光谱法相比，应用四乙酸铅电位滴定法测定汽油中硫醚硫的含量，具有化学计量点处电位突跃明显、电位值稳定、操作简单、结果准确可靠的特点。 - The titration errors resulting from the difference between indicator discoloration potentiation and stoichiometric point potentiation are calculated with a new method in oxidation-reduction titration.
在被滴物浓度不太低的情况下，讨论了氧化还原滴定过程中，由于指示剂变色电位与化学计量点电位不符而引起的误差，并建立了一种计算方法。 - The method is not necessary to ascertain the stoichiometric point of the titration and to know the titrant concentration. It is simple, accurate suitable for the determination of mercuric sulfide in cinnabar.
该方法无需确定的化学计量点和已知滴定剂的浓度，方法简便准确，适合于朱砂中硫化汞含量的测定。 - 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。