Enhanced Solubility of Melatonin with Different Types of Cyclodextrins by Phase Solubility Method 相溶解度法研究6种环糊精衍生物对褪黑激素的增溶作用
Study on the Enhancing Solubility of γ-cyclodextrin with Vitamine D_2 by Phase Solubility Method 用相溶解度法测定γ-环糊精对维生素D2的增溶效果
The Study on the Inclusion Action of Aloe Emodin with CDs by Phase Solubility Method 相溶解度法研究芦荟大黄素和环糊精及其衍生物的包结作用
METHODS: The complexation of clonazepam with ( HP-β-CD), the inclusion molar ratio of host and guest molecules and thermodynamic parameters were detected using phase solubility method, equimolar series method, UV absorption spectroscopy etc. 方法:采用相溶解度法、等摩尔系列法、紫外吸收光谱法等方法考察氯硝西泮与HP-β-CD在水溶液中包合作用、包合比及包合过程中的热力学参数变化。
The phase solubility method was used to investigate the influence of HPMC and PVP on the inclusion effect of clonazepam and hydroxypropyl-β-cyclodextrin in aqueous solution. 采用相溶解度法考察羟丙甲纤维素(HPMC)和聚维酮(PVP)对水溶液中氯硝西泮与羟丙基-β-环糊精(HP-β-CD)包合作用的影响。
The solubility of PGE1 in aqueous so-lutions is linearly escalated with the increased concentration of CDs, showing a plot of the typical AL-type phase solubility. PGE1的溶解度随着CDs浓度的增加而呈线性增加,相溶解度图呈AL-型。
The inclusion interaction of the complex between rutin and β-cyclodextrin(β-CD) was studied by using. phase solubility method. 采用相溶解度法研究了β-环糊精和芦丁形成包合物的包合作用,测定了其形成常数。
Using the equation proposed by Scott, we can predict either compatibility or phase separation, depending on the polymer solubility parameters. The results obtained by dynamic mechanical measurements are in agreement with those predicted by Scott equation. 从高聚物溶解度参数出发,应用Scott方程,对共混物相容性及相分离状态进行了预测,并用动态粘弹仪测定了共混纤维的相分离状态,发现实验结果与分析预测完全一致。
Results show that, phases shift from tetragonal to rhombohedral phase with the increase of doping amounts, the solubility of NiO in PMS-PZ-PT ceramics is very small, and the composition with doping amount of 0.02wt% has superior piezoelectric properties. 实验结果表明:随着掺杂量的增加,物相组成由四方相向三方相转变;NiO在PMS-PZ-PT材料中的固溶度比较小;
Study on Phase Analysis and Solubility of Scales Produced in Medium and Small Sized Boilers 中小型锅炉锅垢的物相分析及溶解特性的研究
An A_L-type phase solubility curve was obtained. The difference of apparent stability constant is significant under different pH values and different HPMC contents. 不同pH、HPMC下,丹皮酚相溶解曲线呈AL型,不同的pH和HPMC条件下包合稳定常数差异较大。
The combination of this solvent fractionation and the solvent& resid phase diagram shows how the solubility classes of decreasing solubility evolve during thermal conversion either by increasing aromaticity or by molecular weight growth of low-volatility fragments. 在热转化过程中溶剂分馏和溶剂&渣油相图的结合揭示出低可溶性组分的形成过程是靠增加芳香度或靠低挥发性组分分子量的增大而进行的。
RESULTS: An AN type phase solubility curve was obtained. 结果:相溶解度曲线呈AN型。
Corresponding solubility diagram and phase diagram are drawn, and empirical equation of solubility ( R ≥ 0.999) is regressed. Moreover, the condition under which this aqueous two phase system are formed and the tentative law of phase equilibrium are investigated. 绘制相应的溶解度图和相图,结合回归溶解度经验方程(R≥0.999),并探讨这种双水相体系形成的条件和相平衡的初步规律。
The measuring and correlating of the phase equilibrium data ( solubility) in supercritical CO_2/ disperse dye binary system are a key to the foundational research and technologic development of supercritical fluid dyeing ( SFD). 有关分散染料与超临界CO2二元体系的相平衡数据(溶解度)实验测定及模型关联,对超临界流体染色工艺基础研究及工业化至关重要。
The metastable phase diagram of the salt-water system presents solubility relation in the system during isothermal evaporation. 水盐体系介稳相图描述水盐体系在等温蒸发过程中所呈现的水盐溶解度关系。
Methods The effect of HP-β-CD on the solubility of PGE_1 was studied by phase solubility method. 方法采用相溶解度法研究HPβCD对PGE1溶解度的影响;
The Cobalt phase state can be precisely characterized and the solubility of WC in cobalt phase can also be determined by testing the magnetic properties and the lattice parameters of cobalt. 通过磁性能和晶格参数的测定,可以表征钴相的状态,确定WC在Co中的溶解极限。
Results That all the phase solubility diagrams showed a typical AL-type in various pH buffered solutions, suggested the formation of a soluble complex of 1: 1 molar ratio. 结果在不同pH值的缓冲液中,PGE1与HP-β-CD均可形成1:1摩尔比可溶性包合物,相溶解度图呈AL-型;
Study on the Inclusion Complex Between Rutin and β-Cyclodextrin by Phase Solubility Method 相溶解度法测定β-环糊精-芦丁包合物的形成常数
Calculation of Phase Equilibrium of Hydrocarbon-Water System and Solubility Amount of Water in Light Hydrocarbons 烃-水系统的相平衡及轻烃中溶解水量的计算
Method: Inclusion ratio was determined by plotting the phase solubility curve of CT versus hydroxypropyl-β-cyclodextrin ( HPCD). 方法:绘制CT-羟丙基-β-环糊精(HPCD)相溶解度曲线,以确定包合比例;
Methods: The intermolecular reaction between the host and the guest agents, soluble effects of 3 CDs on PGE1 in aqueous solution and changes of thermodynamic profiles in the complexation were determined by UV absorption spectra and the phase solubility. 方法:分别采用紫外吸收光谱法、相溶解度法研究了3种环糊精(CDs)在水溶液中对PGE1的包合作用、增溶作用及包合过程中热力学参数的变化。
Further more, the equilibrium-constant of the inclusion reaction was calculated by the data of phase solubility method. 包合后客体化合物的溶解度有了明显的提高,此外还用相溶解度法计算了包合反应的平衡常数。
TiC partially dissolved into NiAl phase, and the solubility increased with increasing infiltration time. Little Al and a trace of Ni were detected at the outer layer of TiC. TiC少量地溶于NiAl,溶解度随渗透时间增长而增大,且在TiC颗粒外层,发现有少量的Al和微量的Ni。
The phase solubility curve was AL type. 相溶解度曲线为AL型。
In this study, phase solubility method was used to study the GBE at different volume fraction of HP-β-CD. 本研究采用相溶解度法,考察GBE在不同体积分数的HP-(?)-CD下相溶解度。
The determination of inclusion and phase solubility studies have shown that molecular guest-host inclusion complex is 1:1. 包合比的测定及相溶解度的研究表明包合物的主客分子比为1:1。