量滴

Evaluation of the effect on determination of COD in drinking water by Acidic potassium permanganate titration .

评估酸性高锰酸钾滴定法[1]对生活饮用水中耗氧量检测结果的影响。

A chemical reaction mechanism model has been established to simulate the combustion process in the cylinder of dual fuel engine. The pilot fuel model has been given to calculate the distribution of the liquid fuel and time of fuel pre-combustion, at the same time, analyzing the important action to the combustion of the natural gas in the combustion chamber of engine, determining the best quantity of pilot fuel.

理论方面，提出了基于化学反应的燃烧模型—多组分气相反应系统的化学反应动力学模型，以此进行双燃料发动机的热力学—化学反应动力计算；引燃油燃烧模型，计算引燃油液滴的分布规律和滞燃期，验证引燃油在双燃料发动机燃烧过程中的作用，揭示不同喷油规律对双燃料发动机的影响，确定在不同负荷下的合理引燃油量；爆震模型，揭示爆震与工质能量释放间的关系和影响爆震的各种运转因素，确定合理的爆震依据，减小爆震倾向。

In this article, a new analytical method for determination of the content of active manganese dioxide left in waste Zn-Mn battery was proposed by iodimetry combined with potential titration. The influence of reaction time, temperature and the quantity of potassium iodide were investigated.

本文提出结合电位滴定技术用碘量法测定废旧锌锰干电池锰粉中剩余活性二氧化锰含量的新方法，对方法中反应时间、温度、碘化钾用量等影响因素进行试验，确定了最优实验条件。

What type of electrode pairs should be used for the potentiometric titration with silver nitrate

水溶液银量法电位滴定中采用的电极系统是什么？

In this paper, the thermochemistry and thermodynamics parameters of semi-batch reaction were measured by adding toluene into the reactor filled with mixed acid, which can be used for safer operation design.

混酸条件下的甲苯硝化是一个典型的液-液两相反应，本文主要通过自动化实验室反应量热器测试了向混酸中滴加甲苯这一半间歇硝化过程中的热化学和动力学数据，从而进行反应过程的安全性研究。

The principle of the method is for NaOH solution to absorb CO 2 released by soil breath,then for acid to titrate the remaining NaOH to calculate released CO 2 amount.

方法原理是用NaOH溶液吸收土壤呼吸释放出的CO2，然后再用酸滴定剩余的NaOH，从而计算出CO2释放量。

In this paper,a combustion—acid-base titrimetry for the determination of sulfur content in silver concentrates is described.

采用燃烧-酸碱滴定法测定银精矿中硫量，该方法简便、快速，准确度高，回收率在98。

A method for the determination of total iron in iron ores by auto-potentiometric titrimetry with micro-wave sample digestion technology is proposed. The results arc in agreement with those from ISO 9507 method.

将微波消解溶样技术与自动电位滴定相结合，用于铁矿石中全铁量的测定，检测结果与ISO 9507方法的结果相符。

The uncertainty of Cr content that determined by ammonium persulfate oxidation titrimetry in stainless steel was studied by adopting the current international method.

采用国际通用的方法研究了过硫酸铵氧化滴定法测定不锈钢中铬量的不确定度，分析了不确定度的主要来源，评定了不确定度分量及总不确定度。

This method is simpler and quicker than conventional EDTA titrimetry, for it need no pre-separation of rare earth, and thus it was suitable for the rapid determination for large amounts of samples.

本方法无需预先分离稀土，较常规EDTA滴定法简便、快速，适用于实际生产中量大而快速的检测需要。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。