查询词典 titration

Keywords potentiometric titration;dissociation constant;multiple modified Logistic model;optimization

电位滴定；离解平衡常数；多重改良Logistic模型；优化

A new method for the determination of tea polyphenolsby electric potential titration is described in the paper.

该文建立了电位滴定法测定茶叶中茶多酚含量的定量分析方法。

Determination of free formaldehyde in "107 Building Glue" with electric potential titration is presented.

提出了用电位滴定法测定107建筑胶中游离甲醛含量的方法。

The 3propanesulphonic acid was separated by cationic exchange resin,and its content was determined with electrometric titration .

先用离子交换树脂处理合成3-丙基磺酸的反应液，再用电位滴定法准确定量产物MOPS。

ASTM D2710-99 Standard Test Method for Bromine Index of Petroleum Hydrocarbons by Electrometric Titration.

电化学滴定法对石油烃溴指数的测试方法。

Procedure— Where the individual monograph specifies that the water content is to be determined by Method Ib, transfer 35 to 40 mL of methanol or other suitable solvent to the titration vessel, and titrate with the Reagent to the electrometric or visual endpoint.

规程---当各论规定使用方法Ib测定水的含量时，转移35~40ml的甲醇或者其他合适的溶剂至滴定容器中，用卡尔试剂滴定，以永停法或视觉观察终点。

ASTM D1159-01 Standard Test Method for Bromine Numbers of Petroleum Distillates and Commercial Aliphatic Olefins by Electrometric Titration.

电化学滴定法测量石油馏分及商用脂族烯烃的溴值试验方法。

Procedure— Unless otherwise specified, transfer 35 to 40 mL of methanol or other suitable solvent to the titration vessel, and titrate with the Reagent to the electrometric or visual endpoint to consume any moisture that may be present.

操作---除另有规定外，转移35~40ml的甲醇或其他合适的溶剂至滴定容器中，以永停法或视觉指示终点，用卡尔试剂滴定可能存在的水汽（所消耗体积忽略不计，因为不会代入到公式计算），快速加入测试样本，混匀，然后再次用卡尔试剂滴定到终点。

A new method which utilize the data of electrometric titration of the known acid to establish a multiple-unit linear regression math model is proposed for the analysis of the liquid propellent in order to overcome the shortcoming of accuracy lower in available analyzing method and requiring more precious instruments in neural network method.

该方法利用已知酸的电位滴定数据建立多元线性回归数学模型，利用化学因子分解该模型，对未知样进行浓度测定。

Amphoteric tapioca starch with carboxyl groups was produced via crosslinking, oxidation and etherization reactions. The product was then characterized by means of SEM, XRD and colloid titration, with the preparation mechanism being also investigated.

采用交联、氧化和醚化反应制备羧酸型两性淀粉，通过扫描电子显微镜、X射线衍射、胶体滴定等方法对该淀粉进行表征，并研究了该两性淀粉的合成机理。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。