The separation coefficient of light rare earth was lower in P204(DEHPA)-HCl system at high acidity.
针对高酸度下P204(DEHPA)萃取剂萃取轻稀土氯化物时,La3+、Ce3+、Pr3+、Nd3+之间分离系数较低的问题,本文研究了含有柠檬酸(H3cit)的P204-HCl体系中,料液酸度与柠檬酸浓度对轻稀土分离系数的影响,并与P204-HCl体系的萃取结果进行了比较。
The effects of the feed acidity and citric acid(H3cit) concentration on the distribution ratio and the separation coefficient of Ce(Ⅲ) and Pr(Ⅲ) and the extraction capacity were investigated in P204-HCl-H3cit system.
研究了含有柠檬酸(H3cit)的P204-HCl体系中,料液酸度与柠檬酸浓度对铈和镨分配比、分离系数及萃取容量的影响。
In the extraction process of light rare earth chloride with P204,the separation coefficient of La(Ⅲ),Ce(Ⅲ),Pr(Ⅲ) and Nd(Ⅲ)is lower at high acidity.
针对在高酸度下二(2-乙基己基)磷酸(P204)萃取轻稀土氯化物时,La3+、Ce3+、Pr3+、Nd3+之间分离系数较低的问题,以H3cit-HCl-RECl3溶液为水相,1。
We present a new concept of separate coefficient and a new method to decide indicator weights.
应用属性综合评价方法，讨论了煤灰结渣的预报问题，提出了分离系数的新概念以及确定指标权系数的新方法，还提出了确定属性测度的基于左、右方差的指数函数形式，它们有助于构造一个切实可行的预报系
Variation of CO_2 permeance and CO_2/CH_4 selectivity of the membranes were investigated against the factors such as thioglycolic acid,ammonia and glutaraldehyde content in the casting solutions.
以角蛋白膜的CO2渗透速率和CO2相对于CH4的分离系数为指标,考察了制膜液中溶剂氨水的浓度、巯基乙酸和戊二醛的加入量对角蛋白膜的气体透过和分离性能的影响。
47×10-7 mol/(m2·s·Pa) and the ideal selectivity of H2/SF6 reached to 44 at 40 ℃.
Pa),H2/SF6的理想分离系数44,远高于其Knudsen扩散系数8。
The determination of separation factor β(WO_4~2/ SO_4~2) in ion-exchange process of Na_2WO_4 solution;
Na_2WO_4溶液离子交换中WO_4~2和SO_4~2分离系数的测定
The separation factor of N_(2)/O_(2) was calculated in terms of the breakthrough curves of N_(2) and O_(2).
15 K下,分别测定了5A和VP800分子筛的静态吸附等温线和动态穿透曲线,并根据动态穿透曲线分别计算出5A和VP800分子筛的氮氧分离系数。
In view of low separation factor of La(Ⅲ) and Ce(Ⅲ) in P204-HCl system,study was made of the effects of the feed solution acidity and citric acid(H3cit) concentration on the distribution ratio and the separation factor of La(Ⅲ) and Ce(Ⅲ)and the extraction capacity.
针对P204萃取剂在HCl体系中高酸度下镧铈分离系数较低的问题,研究了含有柠檬酸(H3cit)的P204-HCl体系中,料液酸度与柠檬酸浓度对镧铈分配比和分离系数及萃取容量的影响。
octanol-water partition coefficient Kow
辛酸与水的分离系数
separators with low capacity/high separation factor
低容量/高分离系数的分离器
separators with high capacity/modest separation factor
高容量/较低分离系数的分离器
Study on Effective Separation Factor for Multi-component Rare Earths in Counter-current Extraction
多组分稀土串级萃取有效分离系数的研究
The Accuracy Comparison of Calculation Method of Effective Separation Factor for Multi-components
多组分有效分离系数计算方法的准确度比较
Separation factor of U from Pu is 3900-33000, Material balance of U and Pu is satisfactory .
钚中去铀分离系数3900～33000; 铀、钚、酸物料衡算良好;
An Identification Algorithm Method Suitable for Microcomputer-Separation Coefficient Method
一种适用于微型机的辨识算法—分离系数法
Separation of Incident Waves and Reflected Waves and Study of Reflection Coefficients;
人、反射波浪的分离与反射系数的研究
Analysis of the Affect Caused by the Slip Factor to the Characteristics of the Centrifugal Pumps
滑移系数对离心泵外特性的影响分析
Determination of the ionization constant and partition coefficient of lauroyl indapamide
月桂酰吲达帕胺的电离常数及分配系数的测定
Analysis of the Data Relationship of the Related System of Student School-leaving in Tsinghua University
清华大学学生离校相关系统数据关系分析
Equivalence of Differential System with Reflecting Function is Separated of Variable;
具有分离变量式反射函数的微分系统的等价性
A NEW UNDERSTANDING OF THE NONLINEAR EDDY-VISCOSITY DISTRIBUTION FOR THE TWO-DIMENSIONAL SEPARATION FLOWS
对二维分离流涡黏性系数非线性分布的新认识
DB Trichotomy Method in Real Estate Information System Database Design
房产信息系统数据库设计中的三库分离技术
Discrete-time Waveform Relaxation Methods of Nonlinear Differential-Algebraic Equations;
非线性微分代数方程系统的离散波形松弛方法
Numerical Stability for Several Classes of Delay Systems of Linear Discrete and Distributed Type;
几类线性离散与分布型延迟系统的数值稳定性
Deduction about Equations of Variation of Orbital Parameters in Detached Binary Systems;
分离双星系统轨道根数变化方程的推导
Robust Performance Analysis for Linear Uncertain Discrete-time Systems;
一类不确定参数线性离散系统的鲁棒特性分析