浊点
- 名cloud point
![浊点](../cache/1400873.jpg)
-
形成嵌段使聚醚浊点明显下降。美国WestPoint公司的织前准备设备
With block copolyether 's forming , the cloud point lowers appreciably . Preparing Machinery of West Point
-
相分离性能和萃取率是评价浊点萃取(CPE)性能的两个重要因素。
Phase separation performance and recovery are two important factors for the cloud point extraction ( CPE ) process .
-
温度升高,胶团的水化度降低,Rh变小,当温度接近浊点,水化作用降至最低。
As the temperature increased , hydration of micelle decreased and R_hdecreased also .
-
从理论上计算鸟粪石和副反应产物磷酸镁和氢氧化镁的条件性溶度积随pH的变化关系,并用浊点法测定了不同pH下鸟粪石在水中的溶解度数据。
Theoretically , the relationship between conditional dissolve product of magnesium phosphate and magnesium hydrate of byproduct and struvite and pH was explored herein .
-
浊点萃取(CPE)是一种新兴的液液、液固萃取方法。
Cloud-point extraction ( CPE ) is a kind of new liquid-liquid , liquid-solid extraction method .
-
相分离辅助方法对有机硅表面活性剂浊点萃取PAHs的影响
Effect of Assisting Methods for Phase Separation on the Performance of Cloud Point Extraction of PAHs with Silicone Surfactant
-
1%的水溶液为白色透明乳液,粘度为6.268,HLB值为13.45,浊点160℃。
Its viscosity is 6.268 and HLB value is 13.45 and cloud point is 160 ℃ .
-
聚合物PPES/PPEK/PPESK-NMP-H2O三元体系的相行为研究(Ⅰ)浊点与饱和吸附量测定
Study on the phase separation for novel polymer PPES / PPEK / PPESK-NMP-H_2O systems ( I ) Determining of the cloud point and the saturated adsorption in membrane
-
浊点萃取技术(CloudPointExtraction,CPE)是近年来出现的一种新兴的液-液萃取技术,它是以表面活性剂胶束水溶液的浊点现象和增溶作用为基础。
Recently , cloud point extraction ( CPE ) as a new liquid-liquid extraction technique has been widely accepted . It is based on the cloud point phenomenon of surfactant and micellar solution solubilization .
-
添加剂的浓度对非离子表面活性剂AEO9浊点的影响
Effect of Concentrations of Additives on the Cloud Point of Nonionic Surfactant AEO_9
-
浊点萃取法富集利尿剂Furosemide中草药中微量元素分离富集行为及其光谱法测定的研究
Studies on the Separation and Preconcentration Behavior of Trace Elements in Chinese Herbal Medicine and the Determination of Spectroscopy
-
详细研究了pH值、缓冲溶液用量、络合剂用量、表面活性剂浓度及平衡时间和平衡温度对浊点萃取的影响,并优化了实验条件。
Conditions that would affect cloud point extraction were researched in detail , including the values of pH , dosages of buffer solution , concentration of the chelating agents and the surfactant , equilibration time and temperature .
-
在研究了其浊点、浓度、pH值、分离时间和分离温度等影响因素后,得到了分离胆固醇氧化酶的优化条件。
Using this method for separation of cholesterol oxidase , the optimized separation condition were determined on the basis of the studies of the Triton X-114 cloud point , surfactant concentration , pH , mixture time and temperature .
-
浊点测定的结果表明部分共混物加热产生相分离,呈LCST行为。
The cloudy point of some blends show LCST behavior ( phase separation on heating ) .
-
在淬火过程中,具有较高分子量和较低浊点的PAG淬火液蒸气膜时效较长,冷却速度较慢。
During quenching , the PAG quenchant with higher Mn and lower cloud point has longer vapor phase and slower cooling rate .
-
本论文用2-[(5-溴-2-吡啶)偶氮]-5-二乙氨基苯酚(5-Br-PADAP)作螯合剂,与铅、镉螯合,然后进行浊点萃取。
2 - [ ( 5-Bromo-2-pyridyl ) azo ] - 5-diethylamino phenol ( 5-Br-PADAP ) was selected as chelating agent .
-
考察了温度、表面活性剂浓度和无机盐浓度对浊点萃取的相比R、葛根素的分配系数K和萃取率E的影响。
For cloud point extraction of puerarin , the effects of temperature , concentration of surfactant and salt concentration on the phase ratio ( R ), distribution coefficent of puerarin ( K ) and extraction efficiency ( E ) were studied .
-
本文综述了pH调制样品堆积、浊点萃取、固相萃取三种用于毛细管电泳分析中的样品预富集新技术的原理、特点。
PH - mediated field - amplified sample stacking , cloud point extraction and solid phase extraction as novel preconcentration techniques for CE have been developed recently . This review introduces the principles , characteristics and applications of the above three preconcentration techniques .
-
用本工作改进的Marquardt法,计算求解了PES/DMAc/H2O体系的浊点线和旋节线方程,绘制了三元相图。
By means of the Marquardt algorithm improved by ourselves , the binodal curve and the spinodal curve of phase diagram for PES / DMAc / H2O system were obtained .
-
4种不同的Lewis酸存在下,对聚醚酮砜(PEKS)铸膜溶液进行了浊点滴定,制得了相应的三元相图。
The phase diagrams of PEKS / DMSO / H2O ternary membrane forming system with four different Lewis acids have been investigated .
-
介绍了近期多元醇类表面活性物质的基本物理化学性能研究,如临界胶束温度CMT、临界胶束浓度CMC、浊点行为及影响因素。
Recent studying progressions on basic physical and chemical performances of polyalcohol surface active materials were presented and the performances include CMT , CMC , cloud point action and its influenced factors .
-
根据胶束的加溶原理和非离子表面活性剂系统在浊点温度以上自动分相的现象,采用TritonX-100胶束系统萃取苯酚。
According to solubilization of surfactant micelle and phase-separation of nonionic surfactant aqueous system induced by temperature , extraction of phenol with Triton X-100 two-phase micellar system was carried out .
-
本文研究了正规嵌段聚醚分子结构与其表面性能:表面张力、HLB值、浊点之间的关系,并且根据实验数据建立了数学模型。
This paper study the relations between the composition of molecule and the sufact property of surface tension turbidity and HLB value , set up mathematics model depending on the test date .
-
两体系的浊点压力范围分别为(8.82-15.59)MPa和(13.1-18.73)MPa,一定质量比下浊点压力随温度的升高而升高呈现下临界会溶温度(LCST)行为。
Both polymers studied in this work exhibited a lower critical solution temperature ( LCST ) phase behavior in CO2 . At a fixed mass ratio , the cloud point pressure ( density ) increased with temperature increasing .
-
提出了测定铬形态的新方法&浊点萃取电热原子吸收光谱法(CPEETAAS)。
A new method using the cloud point extraction ( CPE ) technique was developed for the selective determination of chromium species by electrothermal atomic absorption spectrometry ( ETAAS ) .
-
玻璃化转变温度(Tg)线和浊点曲线在PPE含量约为60%(质量分数,下同)时相交,当PPE含量小于60%时,PPE/TAIC体系的玻璃化温度约为323K;
The curve of the vitrification point ( T_g ) intersects with that of the cloud point at a PPE content ( mass fraction , below the same ) of about 60 % ;
-
通过对PSFDMAc醇类非溶剂三元体系和PSF-DMAc-IBA-PVP四元体系的浊点滴定实验,结合改进的方法计算出相应的双结点线对实验结果进行验证。
PSF - DMAc - alcohols ternary systems and PSF - DMAc - IBA - PVP quadribasic system were measured by experiment of the cloud point . The improved calculation method verifies the experiment results .
-
对于TritonX-100体系,直链一元酸的加入均使其浊点下降,且影响随着碳链的增长而增加。
The addition of straight chain monacids made the cloud point of Triton X-100 system decrease . The longer the chain length of straight chain monacids was , the stronger the effect on the cloud points was .
-
以改性后的OP为载体光亮剂,复配适量的主光亮剂和辅助光亮剂,得到了浊点高、光亮电流密度区域宽的锌镍合金电镀添加剂。
By making sulfonated OP as carrying agent brighter and co-operating with appropriate amount of main brighter and assistant brighter , a zinc alloy electroplating additive , which has a high turbidity point and wide brighter current density region , is obtained .
-
低分子量PPE/TAIC混合物具有最高上临界温度行为,玻璃化转变温度(Tg)线和浊点曲线在PPE的含量约为50wt%时相交。
The low molar mass PPE / TAIC blends were shown to have the upper critical solution temperature ( UCST ) type phase behavior , and cloud point curves intersect the glass transition-composition lines at a PPE content of about 50 % .