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diameter of particles     
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  粒子直径
     The experiments were carried on the synthesized diester-based magnetic fluids to characterize their saturation magnetization, density, viscosity, stability and the diameter of particles.
     并对制得的二酯基磁性液体饱和磁化强度、密度、粘度、稳定性和粒子直径等性能参数进行表征实验。
短句来源
     The effects of preheating temperature of SiC particle, the temperature of melt, the externally applied infilt ration pressure, and the diameter of particles on fabrication of aluminum matrix composites with high volume fraction using the squeeze exhaust casting process were studied by orthogonal experiment method. The experimental results show that preheating temperature is the remarkable factor influencing the fabrication of the composites. The mechanism of stoppage of flow during the process were analyzed by measuring melt temperature in the squeeze exhaust casting process.
     采用正交试验法,研究了SiC粒子预热温度、金属液温度、外加渗流压力及SiC粒子直径对加压排气渗流法制备复合材料的影响.试验结果表明,粒子预热温度是影响加压排气渗流法制备复合材料的显著因素.并通过对加压排气过程渗流中液态金属温度的测量,探讨了液态金属在该过程中停止流动的机理.
短句来源
     The results show that the minium covering ratio is 25% when the caliber is a little less than the double diameter of particles (d).
     研究结果表明当管口直径D略小于粒子直径d的2倍时,截面覆盖度最小为25%;
短句来源
  泥沙粒径
     Based on verifying the existing distribution formula application by the experimental data, a new formula of exponential of velocity distribution was proposed, at the same time, the variational law of coefficient and index in the new formula with sediment concentration, diameter of particles and hydraulic condition is analyzed, It has been concluded that coefficient increases with increasing sediment concentration,hydraulic condition and diameter of particles;
     同时对指数流速分布公式中的指数和系数随泥沙粒径、泥沙浓度的变化进行了分析,结果表明:在相同或相近的水流强度下,指数流速分布公式中系数随泥沙浓度的增加而增大; 在水流强度、泥沙浓度相当的情况下,指数随粒径的增大而减小;
短句来源
  颗粒直径
     The specificsurface area of LiCoO 2 powders was tested by BET technique. The resultshows that the specific surface area of LiCoO 2 powders by PVA-assistedSol-Gel method can reach 6.913m 2 ·g -1; the mean diameter of particles is0.211μ m.
     用BET法分析合成出LiCoO_2粉体的比表面积为6.913m~2·g~(-1),粉体的平均颗粒直径为0.211μm。
短句来源
     The morphological structures of the sulfided Mo/CNTs catalyst were examined by TEM. The results indicated that the catalyst particles were supported at the outer walls of carbon nanotubes; and the average diameter of particles was 10 nm.
     对硫化的Mo/CNT催化剂的TEM图观察发现 ,催化剂颗粒负载在碳纳米管外壁上 ,催化剂颗粒直径平均 10nm。
短句来源
     Results show that the particles and PAHS on the particle appear as logarithmic noctmal distribution along with the diameter of particles, PAHS being absorbed much more on the fine particle.
     采集并分析了湿法除尘器前的飞灰 ,表明颗粒物及颗粒物上的PAHs随颗粒直径呈对数正态分布 ,且PAHs更多地吸附在细微颗粒上。
短句来源
     As a result,it could show the data directly and close linear relationship without the interference of color of sauce. The diameter of particles in liquid samples had little influence on the determination of turbidity of soy sauce. Therefore,the turbidimeter is suitable for the determination of soy sauce clarity.
     本文采用一种15度前散射光的浊度计,使用卤素灯作为光源,内置了独特的光学系统及散射透过比率式的计算程序,以15度前置散射光直接检出方式,因此不受酱油颜色的影响,线形关系强,还可以直接显示数据,样液中颗粒直径对测定值的影响较小,十分适合酱油浊度测定。
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  “diameter of particles”译为未确定词的双语例句
     as t 8/5- cooling time from 800 ℃ to 500 ℃ increased from 16 s to 60 s the Nb relative content in particle decreased to 20%~50%, while average diameter of particles increased to 37.2 nm from 31.4 nm with particles number decreasing to 1.20/μm 2 from 1.95/μm 2;
     80 0℃至 5 0 0℃冷却时间t8 5从 16s增加至 6 0s时 ,粒子中Nb的相对含量为 2 0 %~ 5 0 % ,粒子平均尺寸由 31 4nm增大至 37 2nm ,粒子数量由 1 95 μm2 减少至 1 2 0 μm2 。
短句来源
     The average diameter of particles is about 10 nm.
     其平均粒径约10nm.
短句来源
     The results showed that the diameter of particles was primarily distributed around 5-9 μ m, 200 μ m and 400 -1000 μ m.
     云内以直径5~9μm、200μm和400~1000μm的粒子居多。
短句来源
     The maximum of mean diameter of particles was 1.392 μm, the maximum diameter of particles was 2.75 μm.
     粒子平均最大直径为1.39μm,粒子最大直径为2.75μm。
短句来源
     however as t 8/5 increased further from 60 s to 120 s, due to slow cooling rate and low precipitating temperature the average diameter of particles decreased again to 26.3 nm with particles number increasing to 3.56/μm 2 and spherical particles with higher Nb content were re-observed.
     但t8 5从 6 0s增至 12 0s时 ,因冷速慢 ,析出温度低 ,粒子平均尺寸减小至 2 6 3nm ,粒子数量增加至 3 5 6 μm2 ,又重新出现一些含Nb量较高的球形粒子
短句来源
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  diameter of particles
Aging of samples results in an increase in the number of single bridging ligands and a decrease in the diameter of particles.
      
The mean diameter of particles changed from 8.0 ± 1.5 nm in the control to 12.8 ± 2.5 nm 7 days after denervation.
      
As a result, best diameter of particles for abrasive is 40-100 nm with respect to polishing efficiency and surface finish.
      
Determination of the mean diameter of particles and the concentration of water-petroleum emulsions using light scattering method
      
The mean mass diameter of particles is 0.15-0.18 μm and increases with increasing pressure.
      
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The author gives a review of the general characteristics of the two-phase fluid flow in pipes,and discusses possible methods of flow measurement of solid- gas systems and of two-component liquid-gas systems.The main conclussions are as follows:1.Difference between characteristics of single-phase flow and two-phase flow in pipes must be recognized.2.For flow measurement in solid- gas systems,the relation between the size distribution and the effective diameter of particles must be found by experiment.3.For...

The author gives a review of the general characteristics of the two-phase fluid flow in pipes,and discusses possible methods of flow measurement of solid- gas systems and of two-component liquid-gas systems.The main conclussions are as follows:1.Difference between characteristics of single-phase flow and two-phase flow in pipes must be recognized.2.For flow measurement in solid- gas systems,the relation between the size distribution and the effective diameter of particles must be found by experiment.3.For liquid-gas systems,in order to estimate the flow from some measurable quantities,the flow pattern must be determined first.

本文从综述两相管流的动力学出发,对两相管流中低固——气比的气——固系统和双成分气——液系统的测量问题提出了一些可能的方法,主要结论是:1.目前文献中提出的测量方法一般都未考虑两相管流动力学特性,因而结论不正确,在研究两相管流流量测量问题时必须从两相管流的特性出发;2.对于气——固系统的流量测量,关键在于找出固体粒子筛分分布与有效粒径之间的关系;3.对于气——液系统,指出流型是一个重要的因素,必须首先判定流型,才能从测得的数据中较正确地判定流量。

A laser-doppler anemometer system coupled with direct cone angle measurement has been applied in the work reported in this paper to obtain laminar burning velocity curves for npopane-air and LPG-air. The result obtained compare well with the information introduced by 12th world gas conference.The structure of seeding generator for solid particales investigated in this work is simple and reliable. It is currently being extended in application to lower flow gas system.A difference of unburned gas mixture velocity...

A laser-doppler anemometer system coupled with direct cone angle measurement has been applied in the work reported in this paper to obtain laminar burning velocity curves for npopane-air and LPG-air. The result obtained compare well with the information introduced by 12th world gas conference.The structure of seeding generator for solid particales investigated in this work is simple and reliable. It is currently being extended in application to lower flow gas system.A difference of unburned gas mixture velocity between the presence and absence of the flame (△W) has been measured using LDA. It is demonstrated that the △W increases with burning velocity of gas mixture.Finally, this paper presents the method to measure concentration and the diameter of particle and discusses that laser-doppler signal is influenced by the concentration of particle.

本文提出用激光多普勒流速仪及直接量角的测量燃烧速度的方案,并用它测量了丙烷—空气和液化石油气—空气的层流燃烧速度,测试结果接近第12届国际煤气会议提出的资料。经过实验研究确定的固体粒子发生器,结构简单可靠,适用于小流量的气体系统。本文还介绍了在有和没有火焰条件下,未燃气流速差值的测量结果,并证实了燃烧速度越大此速度差值也越大的关系。最后,文章提出了测量粒子浓度与直径的方法,探讨了粒子浓度对多普勒信号的影响关系。

The leaching of ores by solvent to extract non-ferrous metals is one of the important operations in metallurgical industry. A mathematical model for the leaching of ores, which is based on the theory of Population Balance and on the model of single particle leaching, is proposed in this paper. This model can be used in the multistage counter current leaching process with a definite distribution of diameters of particles.

固—液浸出提取有色金属是冶金工业重要操作之一。本文以粒子数平衡原理及单个粒子浸出的数学模型为基础,提出了一个浸出槽的数学模型,可应用于具有粒径分布的多级逆流浸出过程。

 
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