The measurement of cis-1,4-polybutadiene rubber molecular weight distribution with liquid gel permeation chromatography is studied. 研究了用液相凝胶渗透色谱法测定顺丁橡胶分子量分布的方法。
In this dissertation, the preliminary study on tritium inventory for the liquid metal Lithium Lead Test Blanket Module, such as tritium permeation, tritium distribution and so on, were done. 本论文工作主要针对液态金属锂铅包层模块的特点进行了初步的包层氚分析与研究。
It is shown that the solid liquid separation have been improved by flocculation; The purity of supernatant was increased in some content In addition, the pollution during the ultrafiltration was decrease and permeation rate was increased 实践证明:透明质酸发酵液经絮凝预处理后,不仅可以大大改善发酵液的固液分离效果,同时其滤清液的纯度亦有一定幅度的提高,在超滤过程中污染程度明显减少,渗透通量增加
Based on the experimental results and the theory of liquid permeation process in the pores of catalyst particles, a physico-chemical pattern for resid catalytic cracking is suggested. 在中型试验研究的基础上,通过对原料油在催化剂微孔中的吸渗过程的流体动力学分析,提出了渣油催化裂化的物理化学模型,并对渣油催化裂化过程动力学因素的作用实质进行了分析。
In water treatment, the application of gas/ liquid two-phase flow used to enhance membrane permeation will be more and more. 气液两相流强化膜过滤的方法在水处理领域将获得越来越广泛的应用。
The PVA/ PS composite membrane used in pervaporation for separating Water/ Ethanol liquid mixture was reported. The permeation characteristics of Water/ Ethanol mixture in this membrane was studied, and affected by the feed concentrations and temperature. 本文研究了水-乙醇液体混合物在PVA/PS复合膜中的渗透性能,讨论了料液浓度、温度对透过性能的影响;
The results indicate that water entrainment is lowered as carrier concentration increases and an increase in carrier concentration increases the rate of water permeation through the liquid membrane Two modified models for estimating entrainment swelling and permeation swelling are proposed, which give excellent fit to the experimental data. 提出了估算溶胀率的修正方程,用修正方程对膜相存在载体时的乳液夹带溶胀率进行了估算,计算值与实验数据吻合良好。
With Microporous hollow-fibre membrane PVDF, vacuum membrane distillation ( VMD) has been studied in distilled water. This paper investigates the effects of hot-side temperature, cold side vacuum degree, and the flow rate of the liquid on permeation flux. 采用疏水性聚偏氟乙烯(PVDF)膜,在蒸馏水体系中进行减压膜蒸馏实验研究,考察了进料温度、料液流量、冷侧真空度对聚偏氟乙烯膜渗透通量的影响;
The concrete work includes: ( 1) A model was established to describe the reactions and transport processes for the strip dispersion hybrid liquid membrane. A new equation describing the permeation rate of metal species through the strip dispersion hybrid liquid membrane was derived. 建立了描述反萃分散组合液膜中反应和迁移过程的模型,推导出适合反萃分散组合液膜体系的金属离子迁移的渗透系数方程。
Characterization of Phenolic Resin Containning Tungsten by High Performance Liquid Chromatography and Gel Permeation Chromatography 高效液相色谱法和凝胶色谱法对钨酚醛树脂的表征
The Swelling Behavior of ( W/ O)/ W Liquid Surfactant Membrane(ⅱ) Modeling of the Permeation Swelling Process (W/O/)/W表面活性剂液膜体系的溶胀现象&(Ⅱ)渗透溶胀过程的模拟
When liquid temperature and water content in liquid components increased, permeation flux of three groups of membranes concerned above increased and the separation factor of them decreased. 料液温度的升高和料液组分中CPL含量的减小,都会造成这三组膜的渗透通量的增大和分离因子的减小。