平衡常数

The separation factor of glycolic acid to glyoxylic acid increased with TRPO concentration from less than 1 to larger than 1. The models parameters K 11 and K 12 in the single acid system can be used to predict extraction equilibrium behavior in the mixture acid systems.

结果表明，随TRPO浓度的增大，分离系数β（glycolic /glyoxylic）由小于1逐渐增大至大于1，乙醇酸与TRPO的萃合物有1∶1和1∶2两种形式，采用单溶质萃取反应平衡常数预测双溶质萃取的结果，预测值与实验值相当接近。

Equilibrium constants for reactions of ZnTPP (parasubstituted zinc tetraphenylporphyrins) with ligands of Schiff base complex in CH2Cl2 and several other solvents have been measured by visible spectral techniques, and determined by the method of Rose-Drago.

用紫外-可见光谱和Rose-Drago数据处理方法对多种新型空间不对称含咪唑基团金属Schiff碱配合物与取代四苯基卟啉锌轴向配位反应平衡常数进行了测量。

physicochemistry experiment ; conductivity ; acetic acid ; weak electrolyte ; dissociate equilibrium ; constant

在实验教学中，也一直沿用这一方法，并将电导率的测定应用于弱电解质溶液离解平衡常数的测定[4 ，5] 。

However, it is noticed that tetrabutylammonium iodide,〓 has an ability to reduce the steric effect of the higher members of ketones in this reaction.

分离系数是表示萃取分离效果的重要参数，它是在同一萃取体系中两种不同元素的萃取平衡常数或萃取分配比的比值。

The results show that the effects of pressure on tautomeric equilibrium constant K〓 is very limited at pressures much higher than the phase separation pressures, while the K〓 increases sharply as the pressure approaches the critical pressure or the bubble point pressure of the mixed solvents.

结果发现，在分相点附近化学平衡常数随压力变化十分敏感，这一特殊现象与混合流体中特殊的分子间相互作用与聚集密切相关。

The rate of the reaction between RSH and oxygen, which is catalysed by CoTSPc ,is determined by the decrease of oxygen volume.

讨论了CTAB对该反应的作用机理，计算了反应生成物的组成和反应的平衡常数。

The results show that BODMAC has good ability to extract gold from chloride, the composition of extraction species is BODMA·AuCl〓 The influence of NaCl concentration on distribution coefficient of gold is different from that of uranium .

结果发现，BODMAC从氯化物中萃取金的能力很强，通过紫外光谱和红外光谱确定了其萃合物的组成为BODMA·AuCl〓的离子缔合物，计算了其萃取反应的平衡常数为10〓。

Electric conductivity method is one of the means which can be used to determine the ionization equilibrium constant of electrolyte solution.

离解平衡常数是研究电解质溶液性质的重要参数，在研究化学问题，如反应速率、化学活性、吸收等具有重要意义。

The ionization equilibrium constant of CH3OOH at 298K is determined in this paper.

其中电导法测弱电解质的离解平衡常数具有实验过程简单、实验结果准确等特

A relative formula was nrived between the ionization equilibrium constant and the chnarge density on that oxygen of hydroxide radical, and then the pH values of the colour ranges of these indicators was calculated with satisfaction.

提出了此系列指示剂的电离平衡常数和羟基中氧上的电荷密度的关系式，计算了这类指示剂的变色pH范围。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。