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particle sintering
相关语句
  粒子烧结
     The phase transformation from Fe3_O_4 to γ-Fe_2O_3 enhanced the particle sintering.
     Fe_3O_4向γ-Fe_2O_3的相变过程能加速粒子烧结
短句来源
     In this paper, kieselguhr-mullite ceramic membrane substrate(K-M) was prepared by the method of solid particle sintering line-compounding. Transition layer ceramic membrane of silica supported on K-M(SiO2/K-M) and Supported polyimed-zirconia hybrid membrane were synthesized by the technique of Sol-Gel.
     本研究采用固态粒子烧结法制备了K-M(硅藻土-莫来石)陶瓷膜支撑体,采用溶胶-凝胶法制备了K-M陶瓷膜支撑体负载的过渡层SiO2膜,溶胶-凝胶法制备了PI-ZrO2杂化顶层膜。
短句来源
     Kieselguhr - mullite ceramic membrane tube was made by extrusion and solid particle sintering.
     采用挤出成型和固态粒子烧结法制备莫来石硅藻土陶瓷膜管;
短句来源
  “particle sintering”译为未确定词的双语例句
     Using hydrazine hydrate as reducer, it can clear off chlorine which comes from the precursor-RuCl3, avoid the Ru particle sintering under atmosphere, and keep a higher dispersion of Ru.
     用水合肼作为还原剂,对催化剂进行液相还原能干净地除去以RuCl3为Ru前驱体而引入的Cl-,同时能防止还原后催化剂在大气气氛中的烧结,保持金属钌较高的分散度。
短句来源
     3.Fabricating the nano nickel oxide electrode by nano particle sintering method has been preliminary try also.
     3.初步研究了用烧结纳米镍的方法制备氧化镍电极。
短句来源
     Through fitting ceramic membrane's microstructure parameters (pore size, thickness of membrane and so on) and the pure water flux(PWF), we found that for the porous ceramic membranes prepared with state particle sintering method(SPSM), the modified Kozeny-Carman(K-C) equation can reflect the correlation between the membrane permeability and membrane microstructure parameters more accurately.
     通过对膜孔径,膜厚度等陶瓷膜微结构参数与膜纯水通量的拟合,得出对于由粒子堆积烧结而成的多孔陶瓷膜,改进的K-C方程能更准确地反映膜微结构参数对纯水通量的影响,而将陶瓷膜孔简单抽象成毛细管束的H-P方程的预测值则与实验值有较大偏差。
短句来源
     The simulation shows that particle sintering process, i.e. flame temperature is a key parameter for sizes of primary and aggregate titania particles.
     结果表明颗粒的烧结特征,即温度是影响一级颗粒及聚集块尺寸的关键因素;
短句来源
     More chloride ion can be removed at higher temperature,but it is unfavorable to catalyst activity because of support methanation and Ru particle sintering at high temperature.
     提高还原温度虽然对催化剂中氯离子的脱除有利,但同时也会使钌晶粒长大烧结,抑制氨合成的活性。
短句来源
  相似匹配句对
     THE EFFECT OF SINTERING PROCESS ON THE PARTICLE SIZE OF THE HAP
     烧结工艺对HA粒子尺寸的影响
短句来源
     Application of Particle Swarm Algorithm to Sintering Blend Optimization
     粒子群算法在烧结矿配料优化中的应用
短句来源
     microwave sintering;
     微波低温干燥;
短句来源
     The Energy of the H-particle
     H粒子的能量
短句来源
     particle size;
     粒径大小;
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  particle sintering
The controlled morphology at microscopic and macroscopic scale prevents particle sintering under severe ageing conditions.
      
A mathematical description is given of the sintering kinetics for an ensemble of particles on the basis of a unified phenomenological approach, which has been used in a computer model for spherical particle sintering.
      
Computer Simulation of Spherical Particle Sintering
      
The strongest influence on the kinetics of mutual particle sintering is exerted by a transport mechanism with n>amp;lt; 0.5.
      
The kinetics of powder particle sintering by an electric current is due to the most intense sintering mechanisms, such as viscous flow, transport through the gaseous phase, and spreading of liquid metal over the solid surfaces of particles.
      
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The influences of coated phosphate and rare earth metal oxide on dispersion of ultrafine geothite, thermal stability and magnetism of γ-Fe_2O_3 were studied. It was shown that the coated phosphate can obviously enhance the magnetism of γ-Fe_2O_3 and the coating effect of phosphate is as follow: sodium metaphosphate>sodium tripolyphosphate>sodium pyrophosphate. La_2O_3 not only hinders the γ-Fe_2O_3 particles sintering, but also suppresses the phase transformation. This is due to La~3~+ ions packing in...

The influences of coated phosphate and rare earth metal oxide on dispersion of ultrafine geothite, thermal stability and magnetism of γ-Fe_2O_3 were studied. It was shown that the coated phosphate can obviously enhance the magnetism of γ-Fe_2O_3 and the coating effect of phosphate is as follow: sodium metaphosphate>sodium tripolyphosphate>sodium pyrophosphate. La_2O_3 not only hinders the γ-Fe_2O_3 particles sintering, but also suppresses the phase transformation. This is due to La~3~+ ions packing in the intervals of γ-Fe_2O_3 lattice and the chemical action of La_2O_3 and γ-Fe_2O_3 interface.

研究了包敷磷酸盐和稀土氧化物对α-FeOOH分散性、γ-Fe_2O_3热稳定性和磁性能的影响规律。结果发现,包敷磷酸盐能明显提高γ-Fe_2O_3磁性能。此类包敷剂的作用效应为六偏磷酸钠>高聚磷酸钠>焦磷酸钠。La_2O_3可阻止γ-Fe_2O_3烧结和相变,该作册源于La~(3+)在γ-Fe_2O_3晶格母体的填隙和La_2O_3与γ-Fe_2O_3间的界面化学作用。

The mechanism of α-Fe_2O_3 reduction and Fe_3O_4, oxidation in the thermal treatment was studied. The effects of reduction and oxidation conditions on γ-Fe_2O_3 microstructure and magnetism were also investigated. The results showed thrt reduction temperature and gas space velocity were important parameters which influenced the reduction degree of α-Fe_2O_3. When the reduction temperature and space velocity were respectively 380℃ and 1200h~(-1), the coercive force of magnetic powders obtained was the highest....

The mechanism of α-Fe_2O_3 reduction and Fe_3O_4, oxidation in the thermal treatment was studied. The effects of reduction and oxidation conditions on γ-Fe_2O_3 microstructure and magnetism were also investigated. The results showed thrt reduction temperature and gas space velocity were important parameters which influenced the reduction degree of α-Fe_2O_3. When the reduction temperature and space velocity were respectively 380℃ and 1200h~(-1), the coercive force of magnetic powders obtained was the highest. The Fe_3O_4 sintering proceeded via surface diffusion. The phase transformation from Fe3_O_4 to γ-Fe_2O_3 enhanced the particle sintering. Tetragonal γ-Fe_2O_3 resulting in magnetism decrease was found in cubic γ-Fe_2O_3 when oxidation was not complete.

研究了热处理过程中α-Fe_2O_3还原、Fe_3O_4氧化机理,考察了还原、氧化条件对γ-Fe_2O_3微观结构及磁性的影响。结果表明,还原温度和还原气空速是影响还原程度的重要参数。当还原温度为380℃、空速为1200h~(-1)时,所获磁粉矫顽力最高。Fe_3O_4烧结为表面扩散控制。Fe_3O_4向γ-Fe_2O_3的相变过程能加速粒子烧结。同时发现,当Fe_3O_4氧化不充分时,立方γ-Fe_2O_3中存在四方γ-Fe_2O_3杂相。

The ZrO_2 aerogel ultrafine powder with high surface area and pore volume from zirconyl chloride was synthesized by the supercritical fluid drying(SCFD) method.This sample was calcined in air at various temperatures in order to study the development of the textural and structural properties as a function of calcination temperature.The experiments showed that the surface area and pore volume of ZrO_2 aerogel ultrafine powder decerased and its apparent density and most frequent pore radius increased as the calcination...

The ZrO_2 aerogel ultrafine powder with high surface area and pore volume from zirconyl chloride was synthesized by the supercritical fluid drying(SCFD) method.This sample was calcined in air at various temperatures in order to study the development of the textural and structural properties as a function of calcination temperature.The experiments showed that the surface area and pore volume of ZrO_2 aerogel ultrafine powder decerased and its apparent density and most frequent pore radius increased as the calcination temperature is increased. The ZrO_2 aerogel ultrafine powder after calcination at 450℃ still maintained fairly high surface area and pore volume(S_(BET)=125.5m ̄2/g,V_(PN)=0.50 cm ̄3/g). The morphology, pore structure and particle sintering process of ZrO_2 aerogel ultrafine powder were directly observed from TEM micrographs.With the increase of calcination temperature, particles sintered and linked with chains,meanwhile a phase transformation was accompanied.These phenomena obviously would affect the textural and structural properties of ZrO_2 aerogel ultrafine powder.

以ZrOCl_2·8H_2O为原料,用超临界流体干燥(SCFD)法制备出大孔高比表面ZrO_2气凝胶超细原粉,详细考察了后处理焙烧温度对其织构和结构性质的影响.结果表明,随着焙烧温度的升高,ZrO_2气凝胶超细粉比表面积和孔体积减小,表观堆密度和最可几孔径增大,但在450℃焙烧后,ZrO_2气凝胶超细粉仍可保持较高的比表面积和孔体积(S_(BET)=125.5m~2/g,V_(PN)=0.50cm~3/g).TEM显微图较直观地观察到ZrO_2气凝胶超细粉形貌、孔结构和颗粒烧结过程,随着焙烧温度的升高,颗粒烧结长大且连接成链,同时伴随着相转变过程,并直接影响着ZrO_2气凝胶超细粉的织构和结构.

 
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