With centrifugal model test study of covered excavation construction of Shenzhen Subway, anthors got the change rule curve of ground surface sedimentation slots which change along with variation of time. 新型环保絮凝剂APAC的沉降性能试验研究通过对深圳地铁暗挖施工的离心模型试验研究,得到了随时间变化的地表沉降槽变化规律曲线。
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. 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。
Centrifugal Sedimentation Separation of TiO_2 Particles from Liquid Phase Calculation and Evaluation of the Capability of Settling Centrifuge to Separate Polyethylene Suspension 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
Thirdly, because of the centrifugal force, particles in the magnetorheological fluid sediment at a speed faster than the assumed low and uniform speed in the theoretical sedimentation model. 采用了离心力加快沉降速度,粒子的沉降速度大,均匀低速的假设条件不再满足,理论计算模型和实际情况偏差大。
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. 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;
In order to fully utilize the VCM and heat in centrifugal mother liquid, selection on the units for mother liquid sedimentation and air preheating were introduced. 介绍了为充分利用离心母液水中所含的氯乙烯单体和携带的热量而选择的沉降母液和预热空气的设备及回收工艺流程。
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. 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 cytological examination of the cerebrospinal fluid in 100 cases has been determined with centrifugal slide sedimentation method. 本文应用脑脊液细胞玻片离心沉淀法对100例患者的脑脊液进行了细胞学检查。
Data from the centrifugal sedimentation measurement for ZrO_2, β-SiC and Al_2O_3 powder fit with the Weibull equation very well. ZrO2、β-SiC和Al2O3粉末的离心沉降分析数据都适合Weibull方程。
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. 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。
Centrifugal Model Test of Ground Surface Sedimentation Control in Construction of Tunnels 隧道施工地表沉降控制的离心模型试验
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. 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。
At present, the traditional separation methods ( for example, gravitation sedimentation and centrifugal sedimentation) are used in the gangue separation. 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。
The accurate and reasonable selection of the testing conditions, such as the sedimentation media. the revolutions of the disc and so on was the key to obtain an accurate testing result when a centrifugal sedimentation particle size analyzer was used to analyses the particle size. 应用离心沉降粒度分析仪进行粒度分析时,准确、合理地选择沉降介质及圆盘转速等测试条件是获得正确测试结果的关键。
The hematocrit was determined by centrifugal sedimentation. The fibrinogen were determined by biuret method, using speotrophotometer. 其中全血粘度和血浆粘度采用毛细血管粘度计测定,红细胞压积采用离心沉淀法测定,纤维蛋白原采用双缩脲法,用721分光光度计测定。
Under this condition, fat floating rate is 1.33%, and centrifugal sedimentation rate is 1.41%. 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%。
The hydrocyclone could take advantage of the centrifugal force field to speed up the sedimentation of solid particles from the suspension, which strengthened the separation process. 旋流分离器可以利用离心力场,加速悬浮液中的固体颗粒沉降,从而强化分离过程。
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. 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。