离心沉降

离心沉降法净化煤焦油

The Centrifugal Settling Method for purifying the coal Tar

本文介绍了离心沉降法净化煤焦油的试验情况。

The experiment on purifying the coal tar by the centrifugal settling method is described in this paper .

超离心沉降系数法测定质粒DNA分子量

Determination of the plasmid DNA molecular weight by means of sedimentation coefficient

SEM的分析结果与离心沉降稳定性的测试结果基本一致。

This result was also verified by the analysis of SEM .

纳米颗粒测试的6种常见方法分别为透射电镜观察法、X射线衍射线宽法、X射线小角散射法、BET比表面积法、离心沉降法和动态光散射法。

The six common methods for measuring nanoparticle size are TEM , XRD , SAXS , BET , the centrifugal method and DLS .

ZrO2、β-SiC和Al2O3粉末的离心沉降分析数据都适合Weibull方程。

Data from the centrifugal sedimentation measurement for ZrO_2 , β - SiC and Al_2O_3 powder fit with the Weibull equation very well .

为深入研究该净化器的性能，从惯性碰撞、拦截效应、离心沉降、微粒过滤、旋流分离等方面较系统地分析了APA油烟净化器的除烟机理。

The mechanism of inertial impaction , interception , filtration and centrifugal separation is considered in the analysis of the collection performance of the scrubber .

介绍了卧式离心沉降分离机在炼油厂三泥脱水和PTA装置污泥脱水中的应用。

The application of domestic horizontal centrifuge in " oily sludge , floating sludge and activated sludge " dewatering in refinery and sludge dewatering of PTA ( polyterephthalic acid ) unit was introduced .

在35℃、SBS浓度为3.0mg/mL环己烷、转速为56100，/min的条件下，用超离心沉降法测得线形SBS的沉降系数（S）随聚苯乙烯含量（WPS）的增加而增加。

The sedimentation coefficient ( S ) of linear SBS determined by ultracentrifugation of SBS solution in cyclohexane , with concentration 3.0 mg , at 35 ° C and 56 100 r / min , increased with the increase of polystyrene content ( WPS ) .

本文讨论了使用三参数Weibull函数描述颗粒大小分布时受到的限制，并提出了一种能较好地描述ZrO2、β-SiC和Al2O3粉末的离心沉降数据的方法。

In this paper , the applicability and limitation of Weibull function in describing particle size distribution are discussed in detail . A method which can be used to describe the particle size distribution in the centrifugal sedimentation measurement for ZrO_2 , β - SiC and Al_2O_2 powder is presented .

通过乳液聚合获得粒径为280nm左右的聚甲基丙烯酸甲酯（PMMA）微球，从其母液中离心沉降制得胶晶模板。

The colloidal crystal template was prepared by the centrifugal settling of microspheres , whose particle diameters were about 280 nm , from the mother liquor of polymethyl methacrylate ( PMMA ) obtained by emulsion polymerization .

针对光透过离心沉降法的数据处理，综合应用Stokes公式和Lambert-Beer定律，考虑了颗粒消光系数的影响和离心沉降中的径向稀释效应，提出计算颗粒粒度分布的递推算法。

Based on the Stokes formula and Lambert-Beer Law , a series of recurrence formulae were advanced to calculate particle size distribution from the data obtained by disc centrifuge photosedimentation , with the effect of extinction efficiency of particles and the radial dilution during sedimentation considered .

GB/T10305-1988阴极碳酸盐粒度分布的测定离心沉降法

Test method for particle distribution of cathode carbonates by centrifugation sedimentation

离心沉降场流分离技术用于纳米颗粒尺寸的准确表征

Sedimentation Field-flow Fractionation : an Alternative Accurate Approach to Characterize Nanoparticle Diameter

采用扫描电镜、离心沉降粒度仪等对粉体特征进行了观测和表征，并分析了花粉振动超微粉碎的破壁机理。

The cell wall breaking mechanism of pollen by vibration mill was discussed .

超离心沉降速度实验数据处理程序

Data Processing of Sedimentation Velocity Experiment of Ultracentrifugation

亚微米颗粒的离心沉降实验研究

An Experimental Study on Separation of Sub - micron Particle From Liquid Phase by Centrifuge

依此组合进行实验时，植脂淡奶的稳定效果良好，其脂肪上浮率为1.33%，离心沉降率为1.41%。

Under this condition , fat floating rate is 1.33 % , and centrifugal sedimentation rate is 1.41 % .

钛白颗粒离心沉降分离研究聚乙烯悬浮液离心沉降分离能力的计算与评价

Centrifugal Sedimentation Separation of TiO_2 Particles from Liquid Phase Calculation and Evaluation of the Capability of Settling Centrifuge to Separate Polyethylene Suspension

目前对尾矿采用传统的分离方法（如重力沉降、离心沉降）进行分离，效果不理想。

At present , the traditional separation methods ( for example , gravitation sedimentation and centrifugal sedimentation ) are used in the gangue separation .

进一步的离心沉降分离实验结果表明，影响分离效果的主要因素是分离因数和分离时间；

It is indicated by second experimentation result that the major factor which affect the separating efficiency is the separating time and the separating factor .

针对中药生产中采用重力沉降、离心沉降进行固液分离的条件与可能性进行了讨论。

The separation feasibility of sedimentation of gravity and centrifugal in the solid-liquid separation for the Chinese traditional medicine and its operating condition are discussed .

淋洗柱分级采用苯-甲醇体系，超速离心沉降在丙酮-乙醇体系的θ-温度附近测定。

The solvents used for gradient elution were benzene-methanol , while ultracentrifugal sedimentation was observed in acetone-ethanol at the vicinity of θ - temperature of the polymer-solvent system .

旋流器进口段分离效果最明显，柱段也有分离作用，底部则为离心沉降区，分离作用不明显；

It is found that there is obvious separation efficiency on the inlet body , the column body has separation function too , the bottom body is a centrifugal sedimentation area with bad separation .

本文报道用圆盘离心沉降法对几种粉末样品的粒径大小及粒度分布测定的结果，并且讨论了颗粒形状、消光系数和粉末分散状态等因素的影响。

The sizes and granularity distributions of several solid powders were determined by disc centrifuging-sedimentation , and the influences of particles shape , extinction coefficient and dispersity of powder were also reported in this paper .

本文的主要工作成果如下：1.研究了重力自然沉降、离心沉降对灌注桩泥浆分离的影响，确定了合适的固液分离设备。

Main results of the work are as follows : 1 . The paper studied the affects of gravity settling ; centrifugal settling on separation effect , determined the appropriate solid-liquid separation equipment . 2 .

介绍了超细粉体粒度测试的几种主要方法（激光衍射散射法、离心沉降法、颗粒图像处理仪和库尔特颗粒计数器）的测试原理及性能特点，并进行了比较。

The principle and feature of the main ways for particle size measurement of ultrafine powder , such as laser diffraction method , centrifugal sedimentation method , particle image processor and Coulter particle counter etc. are introduced and compared .

卧螺离心机是利用离心沉降原理分离悬浮液的机器，由于其能连续运行，对物料适应性较好，被广泛用于石油、化工、冶金、医药等部门。

Spiral centrifuge is a machine in use of centrifugal sedimentation principle . As it can continuously run and fit for many kinds of material , so it has a widely use in fields of oil 、 chemical engineering 、 metallurgy 、 medicine .

文中分别依据颗粒的离心沉降与径向流动理论以及流体剪切理论解释了絮团粒度的径向分布，从微涡旋理论定性说明了絮团的轴向分布。

The centrifugal sedimentation theory of particles and the radial movement of fluid , or the tangential shearing strength could be used to explain size distribution in radial , and the micro eddy theory applied to account for the size distribution in axial .

对高浓度钛白悬浮液进行了离心沉降试验，研究了细颗粒高浓度悬浮液离心沉降的机理以及分离效率的影响因素。

The TiO_2 ( titanium Dioxide ) particles and deionized water system was studied by the centrifugal sedimentation experiments . With theoretical analysis and discussion , the factors influencing the separation efficiency for high concentration and small particles were discussed and separation mechanism was given .