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
Technology of solvents extraction separation system of processing 10 kg coal tar per pot;
10kg/次煤焦油溶剂萃取分离系统与工艺
4-Phase separation for drilling fluid recovered from ground during drilling process was studied,and the focuses were emphasized on the separation system of drilling fluid with high density and high viscosity that could cause gas cut at high-pressure,ultra high-pressure gas layer and well control.
对钻井过程中地面返回流体的四相分离进行了分析研究,重点是高压、超高压气层钻井和井控时,发生气侵的高密度、高粘度钻井液的分离系统研究。
The techno1ogical process and character of solvents extraction separation system self-designed of coal tar, which can extract coal tar 10 kg one-pot, were introduced in this paper.
简要介绍了１０ｋｇ／次煤焦油溶剂萃取分离系统的流程及特点，并在此萃取分离系统中考察了对煤焦油中２－４环芳香族化合物的分离效果。
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。
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
octanol-water partition coefficient Kow
辛酸与水的分离系数
Variable Step-Size Blind Source Separation Algorithm with an Auxiliary Separation System
结合辅助分离系统的变步长盲源分离算法
An Experimental Study on Airflow Separated in a Variable Intake-air Composition System;
进气组分气体分离系统气流特性实验分析
The Relation Between Sulfureted Hydrogen System Grouping and Characteristic of Cations;
常见阳离子硫化氢系统分组与离子特性的关系
Once again, the key is separating the storage and retrieval systems.
关键是分离存储系统和检索系统。
Isolation and Phylogenetic Taxonomy of Halophilic and Halotolerant Microorganisms;
嗜盐与耐盐微生物的分离与系统分类
The Comparison and Analysis of UTRAN Architecture Based on Function Separation;
基于功能分离UTRAN体系的比较分析
the demonstration on relation of the force and the distance between molecules;
分子力与分子间距离关系的模拟演示
Isolaation of ester-production yeasts from Qu and identification and analysis with biolog system
曲中产香酵母分离及Biolog系统鉴定分析
Viscoelastic Phase Separation Behavior in Multiphase Polymeric Systems
多相高分子体系中的粘弹相分离行为
ISOLATION AND PHYLOGENETIC ANALYSIS OF A MARINOMONAS SP. ISOLATED FROM PERINERES AIBUHITENSIS GRUBE
海单胞菌1株的分离和系统发育分析
The Research for Integral Separation Regulator DC Speed Regulating System
积分分离法调节器直流调速系统研究
The Application of Ionic Liquids Two-phase System in the Biological Separation;
离子液体双水相体系在生物分离中的应用
Research and Implementation of Simulation Training System for the Centrifuge and Separation in PTA
PTA离心分离仿真培训系统的研究与实现
Isolation and diversity analysis of phenol-degrading bacteria in a wastewater treatment plant
含酚废水处理系统中苯酚降解菌的分离及分离物多样性分析
time-domain analysis of the discrete time system
离散时间系统的时域分析