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分离粒度     
相关语句
  separation size
     Research on Separation Size in Material Screening Operation
     筛分作业中分离粒度的研究
短句来源
     Above all, three-dimensional distribution of velocity component in the fluid field is found through the basis theory of hydrodynamics refering to aniecessor's study. Then, the effect of structure and operating parameter of cyclone flash flotation on separation size of desirable particle is studied by the equilibrium orbit theory.
     首先应用前人的研究方法,得出了旋流分选器中流场的三维速度的数值解,并在此基础上,经过合理的简化和抽象,应用平衡轨道理论.得出了旋流闪速浮选对目的矿物的分离粒度与结构参数和操作参数之间的函数关系,从理论上初步明确了旋流闪速浮选在磨矿分级回路中起作用的原因;
短句来源
     Separation size is an important index in material screening operation.
     分离粒度是筛分作业最重要的指标。
短句来源
     Explanation is made in the paper on conception of separation size and it hold that separation size, in fact, is a random variable and based on this, the method for determining separation size is studied, thus the relationship among separation size, distribution size and equal error size is confirmed. It is pointed that the necessary condition for obtaining higher screen operation performance is to make the specified screening separation size coincide with the separation size of a screen by means of adjusting screen operation parameters.
     文章对分离粒度的概念进行了诠释,认为分离粒度实际上是一个随机变量,进而探讨了分离粒度的确定方法,明确了分离粒度、分配粒度和等误粒度三者之间的关系,指出通过调整筛分机的工作参数,使筛分作业的规定粒度同筛分机的分离粒度重合是充分发挥筛分机效能的必要条件。
短句来源
     The relevant relational expres-sions between screen efficiency as well as separation size and the parameters of screen plane(screen incline angle and screen aperture) were obtained,which can be used to optimize theconfiguration of screen plane parameters and guide the design and operation of screen.
     试验得到了筛分效率和分离粒度同筛面倾角和筛孔孔径之间的相关关系式,可以用于优化筛面倾角和筛孔孔径的配置,指导筛分作业的设计和操作.
短句来源
  cut size
     It is accepted now,according to theoretical and empirical formulas,that the input pressure and concentration for a given hydrocyclone are the most important factors that effect the cut size,which means that the desired cut size can be gotten through regulating the pressure and concentration.
     理论分析和经验公式均表明:对于给定的旋流器,入口处矿浆浓度和压强是影响分离粒度的两个重要因素,通过调节这两个量即可得到希望的分离粒度
短句来源
     In view of the above,a strategy of controlling the cut size by regulating the concentration from the pressure is proposed.
     基于此,本文提出了根据压强调节浓度从而控制住分离粒度的策略。
短句来源
     Compared with the hydrocyclones with air core,the hydrocyclones with solid core were all proven to be featured with higher total separation efficiency,larger reduced separation efficiency,smaller corrected cut size and higher separation sharpness,although the hydrocyclone cone shape changed from common type,to parabola type,and to hyperbola type.
     与具有空气柱的旋流器相比,不管旋流器锥段结构如何变化(从普通直锥、到抛物线型锥、到双曲线型锥),具有中心固棒的旋流器均具有更高的分离总效率、更高的修正分离总效率、更小的修正分离粒度以及更高的分离精度。
短句来源
  separating particle size
     Based on the fluid flow inside the rotary drum of the rotating cyclone centrifuge and the subsidence laws of solid particles in liquid continuous media,the equations of production capacity exponent,treatment capacity and separating particle size of the rotating cyclone centrifuge are derived and calculation example is presented.
     以旋转旋流离心机转鼓中流体的流动及固相粒子在液相连续介质中的沉降规律为基础,在“塞流”流态下,推导出了旋转旋流离心机的生产能力指数、按悬浮液计的处理量及其分离粒度的计算式,并通过实例进行了计算。
短句来源
  “分离粒度”译为未确定词的双语例句
     Moreover,d50c and E-:38.5 equations are analysed quantitatively,and thedeveloped model is used to predict the actual classification efficiency( Ea)and the corrected classification efficiency(Ec)according to different opera-tion conditions.
     该模型由四个基本方程组成,用以描述校正分离粒度d50C、结料中最细级别在底流产品中的分配率E388.5、水量分配比Rt、分离精度m。 此外,详细地定量分析了d50C和E_86.5方程,并运用建立的模型预报了各种操作条件下的实际分级效率(E2)和校正分级效率(EC)。
短句来源
     Small diameter and little awl corner hydrocyclone has better separate, lower work capacity, large pressure drop and diffluence ratio.
     小直径小锥角水力旋流器分离粒度小、处理量小、压降大、分流比大;
短句来源
     CALCULATING THE SEPARATION SIZES IN HYDROCYCLONE
     水力旋流器分离粒度的计算
短句来源
     With the diameter of overflow pipe increase, the separation granularity of hydrocyclone increasing and recovery ratio decreasing;
     随着溢流管管径的增加,分离粒度增大,分流比明显减小,回收率降低;
短句来源
     With diameter and cone angle increase, the separation granularity gradually increasing and recovery ratio decreasing;
     随着直径、锥段角度的增大,分离粒度逐渐增大,回收率降低;
短句来源
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  separation size
The very promising results were obtained, meaning that the incipient separation was postponed and the separation size was reduced for the higher Mach numbers.
      
The larger the separation size, the stronger the magnetic force.
      
Determining the actual separation size in a bowl centrifuge
      
  cut size
It is found that the effect of an apex cone is to decrease the cut size and to increase the collection efficiency.
      
The cut size indicates the minimum value for the specific height of the apex cone.
      
An interesting result was that silica and carbon black-blended compounds gave higher critical cut size than the all-carbon black compounds, S0.
      
Cyclones have a distinct particle cut size depending on the geometry, flow rate, and gas viscosity.
      
However, the decoding logic grows very rapidly with the CUT size.
      
更多          
  separating particle size
The match is found to be relatively insensitive to the precise value of the separating particle size.
      


A series of experiments have been carried out with the mixture of magnetite and quartz in a spiral classifier to study the behaviour of mixture of minerals. The mixture of magnetite and quartz was separated by magnetic separation. The particle size analysis was made by screening followed by the Microtrac Laser Size-analysizer.Experiments show that the individual mineral performance curves are similar to the over-all performance curve: the over-all performance curve can be obtained from the weighted sum of the...

A series of experiments have been carried out with the mixture of magnetite and quartz in a spiral classifier to study the behaviour of mixture of minerals. The mixture of magnetite and quartz was separated by magnetic separation. The particle size analysis was made by screening followed by the Microtrac Laser Size-analysizer.Experiments show that the individual mineral performance curves are similar to the over-all performance curve: the over-all performance curve can be obtained from the weighted sum of the individual mineral performance curves; the over-all reduced efficiency curve is a S-shape curve as is the individual mineral reduced efficiency curves which are constant for wider changes in the operating conditions. The individual mineral corrected cut-size can be calculated from the over-all corrected cutsize.

为了研究混合矿物的分级行为,用磁铁矿和石英的混合矿样在螺旋分级机中进行了一系列分级试验。磁铁矿和石英的混合矿样采用磁选分离。粒度分析联合使用筛分法和麦克罗特雷克(Microtrac)激光粒度分析仪。 结果表明,混合矿的实际效率曲线和单一矿物的实际效率曲线的形状是类似的;混合矿的实际效率曲线可由单一矿物的实际效率曲线迭加得到。混合矿的折算效率曲线象单一矿物的折算效率曲线一样,在一定围范内是一条不随操作条件而变化的“S”形曲线。单一矿物的校正分离粒度可以从混合矿物的校正分离粒度计算得到。

This paper discusses the basic low of fluid flowing as a hybrid eddy in hydrocyclone, analyses the dynamical behavour of the interface between semi-free eddy and forced eddy in the hybrid eddy and gives a hypothesis that the path area of maximum tangential velocity is used as a natural classification area. From the principle of parallel path, an equation is derived for calculating the separation and classification sizes in hydrocyclones and checked against the data from production practice.

本文论述了水力旋流器中流体呈组合涡运动的基本规律,分析了组合涡中半自由涡与强制涡分界面的力学特性,提出了用最大切线速度轨迹面作为自然分级面的假说,根据平衡轨道原理导出水力旋流器分离粒度和分级粒度汁算公式,并用生产实践资料进行了验证。

The Bangmai basin is an asymmetrical intermontane synclinal basin with a Hercynian-Yenshan granitic body(Yj J) as its basment.Its overlying strata are made up of the Nt of coal-bearing clastic rocks of Neogene period. Germanium ore mostly occur within the Nj coal-seam.Uranium, germanium-bearing coals are mainly lignites of low grade in coalation and belong to semidurain, semiclarain.duroclarain and clarodurain. In order to probe into the forms of existence of germanium in coal, six kinds of analytical methods...

The Bangmai basin is an asymmetrical intermontane synclinal basin with a Hercynian-Yenshan granitic body(Yj J) as its basment.Its overlying strata are made up of the Nt of coal-bearing clastic rocks of Neogene period. Germanium ore mostly occur within the Nj coal-seam.Uranium, germanium-bearing coals are mainly lignites of low grade in coalation and belong to semidurain, semiclarain.duroclarain and clarodurain. In order to probe into the forms of existence of germanium in coal, six kinds of analytical methods (electronic probe analysis, separation of heavy liquid,grain-size analysis,electric osmosis,chemical extraction and grade-extraction) have been adopted, A simulated test of humic complex germanium in the laboratory was carried out. According to infrared spectral analysis are found,that is 1700cm-1 wavecrest almost disappears, 1250cm"1 peak weakens and 1600cm"1 peak strengthens, 1400cm"1 peak slightly strengthens.No doubt, these illustrate the formation of humic germanium complex. Afterward,through differential thermal analysis and measurement of pH variation of media, it futher proves the presence of humic germanium complex.lt is considered that the forms of existence of germanium in uranium-bearing coals mainly are. (l) In close chemical combination with organic matter,usually in the form of humic germanium complex and germanium organic compound.(2) In the state of absorption, germanium is absorbed by some organic matter, clay minerals and limonite etc. (3) A very rare part occurring as isom?orphous form.

帮卖盆地是一个不对称的山间向斜盆地,其基底为海西-燕山期(γ_4~3-γ_5~2)花岗岩体。盖层为新第三纪N_1的含煤碎屑岩。锗矿大部分产于N_1~2煤层中。含铀、锗煤主要为煤化程度低的褐煤,属于半暗-半亮、暗-亮煤及亮-暗煤。为了探讨煤中锗的存在形式,采用了六种分析方法(电子探针、重液分离、粒度分析、电渗析、化学提取和逐级提取法),又进行了腐殖酸络合锗的室内模拟实验。根据红外光谱的分析,发现1700cm~(-1)峰基本消失,1250cm~(-1)峰有所减弱,而1600cm~(-1)峰增大,1400cm~(-1)峰略有增强。无疑说明形成腐殖酸锗络合物。随后经差热分析和测定介质中的pH变化等更进一步证明腐殖酸锗络合物的存在。本文认为含铀煤中锗的存在形式主要有:1.与有机质成紧密化学结合,常以腐殖酸锗络合物及锗有机化合物存在。2.呈吸附状态,部分有机质、粘土矿物及褐铁矿等吸附。3.极少部分呈类质同象形式存在。

 
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