溶解度

The literature values of methane solubility in hexane at temperatures of 298.15 K, 303.15 K and pressures up to 12.0 MPa validated the precision and stability of the apparatus. The total deviation of the system was less than 2.5﹪. The method of fitting gas solubility at high pressure by Krichevsky-Kasarnovsky K-K equation was also proposed and corrected.

利用此装置测定了温度为298.15 K、303.15 K和压力2.0～12.0 MPa下甲烷在正己烷中的溶解度数据并与文献值相比较，从实验数据的精度和重复性考察了实验装置的可靠性，实验值和文献值的相对误差均小于2.5﹪，同时根据Krichevsky-KasarnovskyK-K方程提出了一种从高压实验数据回归常压实验数据的方法。

0Wt% sodium chloride solution using gold capsule in rapid quench pressure vessel on supercritical conditions.

超临界条件下用金管作容器进行氯化钠水溶液体系中WO〓溶解度实验时，金管中的金可以溶解到体系中。

The apparent solubility of PAH and aromatic halides in cyclodextrin solution increased linearly with the increasing of cyclodextrin concentration.

PAH和卤代芳烃在环糊精溶液中的表观溶解度随环糊精的浓度线性增加。

DM is mainly used as high-boiling point solvent for printing ink, dyestuff, resin, cellulose and painting.

二乙二醇丁醚醋酸酯有着十分高的沸点，主要用于高温烤瓷以及印刷油墨的高沸点溶剂，也用作乳胶漆的助聚结剂；由于该溶剂挥发速度很慢，在水中溶解度低，所以可作为丝网印刷油墨的溶剂，以及聚苯乙烯涂料印花釉的溶剂；也可作为共沸剂用于醇与酮的分离。

Properties of bitumen which are of interest to the highway engineer are their ability to resist deformation, their response to changes in temperature, and their solubility in other hydrocarbons.

性能的沥青有兴趣的公路工程是他们有能力抵抗变形，其反应温度的变化，它们的溶解度在其他碳氢化合物。

The solubility of the hydroxides increases as the elements get heavier.

随着元素的质量增加，氢氧化物的溶解度逐渐减小。

The solubility of 2 -hydroxybenzoic acid was measured in supercritical carbon dioxide with and without cosolvents, such as cyclohexane and ethanol,within a temperature range of 308.15-328.15 K,and a pressure range of 10.0-24.0 MPa,by flow method.

该模型迭代速度快，需要的物性参数少。用流动法测定了2-羟基苯甲酸在温度308.15，328.15 K、压力10.0，13.0，16.0，20.0，24.0 MPa条件下，在超临界CO2中及有夹带剂环己烷、乙醇存在时的溶解度数据。

All of the three ether imides synthesized exhibited low inherent viscosity, high thermal stability of 456 to 499 oC in TGA measurement (5wt% loss/N2) with Tgs between 240 ~254 oC. They also show good solubility behaviors in N-methyl-2- pyrrolidinone, dimethyl sufloxide, dimethyl formamide, chloroform, and m-cresol.

所得聚醚亚醯胺高分子皆具如下相同之优点如：包括低固有黏度表现，其热性质上也具高隐定性，其TGA在氮气5 wt %重量损失测定可达456 ~ 499 ℃，其玻璃转移温度达240 ~ 254 ℃，在溶解度方面，它们皆可溶解於高极性有机溶剂如： NMP、DMSO、DMF，亦可溶於中极性之溶剂如CHCl3、m-cresol。

A new method for the separation and purification of chiral mandelic acid by heated benzene extraction and refrigeration crystal was established. The ionization constant of mandelic acid was mensurated by pH potentiometer titration.

采用pH值电位滴定法测定了扁桃酸的离解常数，采用高效液相色谱法考察了扁桃酸在不同溶剂中的溶解度曲线和在苯-水体系中于不同pH值条件时的分配率，建立了热苯萃取和冷却结晶的扁桃酸纯化工艺。

Chiral drugs ; mandelic acid ; ionization constant ; solubility ; mensuration

手性药物；扁桃酸；离解常数；溶解度；测定

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。