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ultra fine     
相关语句
  超细
     Preparation of Ultrafine Particulars/RPUF and Its Structure and Properties
     超细粒子/RPUF的制备及结构性能研究
短句来源
     Research on Ultrafine Grained Ti(C,N)-based Cermets
     超细晶粒Ti(C,N)基金属陶瓷的研究
短句来源
     Study on the Preparation and Application of Chitosan Ultrafine Capsules
     壳聚糖超细胶囊的制备及应用研究
短句来源
     Welding Physical Metallurgy of RPC Ultrafine Microstructure Steel
     RPC超细组织钢的焊接物理冶金研究
短句来源
     The Study of Compactibility of Mixture and Tool Material of Ultra Fine Ti(CN) Base Cermets
     超细Ti(CN)基金属陶瓷粉末成形性能及刀具材料的研究
短句来源
更多       
  超细
     Preparation of Ultrafine Particulars/RPUF and Its Structure and Properties
     超细粒子/RPUF的制备及结构性能研究
短句来源
     Research on Ultrafine Grained Ti(C,N)-based Cermets
     超细晶粒Ti(C,N)基金属陶瓷的研究
短句来源
     Study on the Preparation and Application of Chitosan Ultrafine Capsules
     壳聚糖超细胶囊的制备及应用研究
短句来源
     Welding Physical Metallurgy of RPC Ultrafine Microstructure Steel
     RPC超细组织钢的焊接物理冶金研究
短句来源
     The Study of Compactibility of Mixture and Tool Material of Ultra Fine Ti(CN) Base Cermets
     超细Ti(CN)基金属陶瓷粉末成形性能及刀具材料的研究
短句来源
更多       
  
     Preparation of Ultrafine Particulars/RPUF and Its Structure and Properties
     超粒子/RPUF的制备及结构性能研究
短句来源
     Research on Ultrafine Grained Ti(C,N)-based Cermets
     超晶粒Ti(C,N)基金属陶瓷的研究
短句来源
     Study on the Preparation and Application of Chitosan Ultrafine Capsules
     壳聚糖超胶囊的制备及应用研究
短句来源
     Welding Physical Metallurgy of RPC Ultrafine Microstructure Steel
     RPC超组织钢的焊接物理冶金研究
短句来源
     THE OXIDIZING PROCESS OF Fe_3O_4 ULTRAFINE PARTICLES
     超Fe_3O_4的氧化过程
短句来源
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  超微
     Preparation of Fe_2O_3 Ultrafine Particles
     超微Fe_2O_3粒子的制备
短句来源
     SYNTHESIS TECHNOLOGY OF HIGH T_c SUPERCONDUCTOR YBa_2 Cu_3 O_(7-δ) ULTRAFINE POWDER
     高T_c超导体YBa_2Cu_3O_(7-δ)超微粉料的合成技术
短句来源
     Preparation and Characterization of Y_2O_3 Ultrafine Powders
     超微Y_2O_3的制备与表征
短句来源
     Preparation and Properties of Tm_2O_3 Ultrafine Powders
     Tm_2O_3超微粉末的制备与性质
短句来源
     Preparation of Ultrafine Monodispersed α-Fe_2O_3 Hydrosol
     均分散超微细α-Fe_2O_3水溶胶的制备
短句来源
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  ultra fine
The resulting coatings microstructure has three unique features: (1) ultra fine splats (1 μm), (2) nanometer and micron-sized interconnected porosity, and (3) closely spaced, through-thickness cracks.
      
The nucleation and growth of ultra fine particles are then solved along each streamline.
      
Ultra fine silica powders were prepared by hydrolysis of SiCl4 using aqueous ammonia solution followed by supercritical drying.
      
Ultra fine silica powders were prepared by hydrolysis of SiCl4 using aqueous ammonia solution followed by supercritical drying.
      
The possibility obtaining ultra fine metals in molecular microreactors (cavities of immobilized calixarenes, polyelectrolytes) when reducing metal complexes in a polymeric matrix has been demonstrated.
      
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The distribution of two kinds of multi-dispersed plutoniumaerosols,whose diameters were largely different,captured in the differentdepth of ultra-fine fibre filter No.1 made in China were practicallyobserved,and the applicability of the assumption of exponential filtrationlaw in measuring their concentrations was surveied as well.

本工作实际观测了粒径差别较大的两类多分散度钚气溶胶在国产1号超细纤维滤布不同深度中的捕集显分布,考察了指数过滤规律假设在其浓度监测中的适用性。

The rheologic behavior of a PVC plastisol will vary with many factors, e. g.,the average particle size and its distribution of the primary particle of the PVCresin used, the easiness of disintegration of the aggregated particles (secondaryparticle) when the latter are in contact with a given plasticizer and etc. Now, anattempt tries to make clear the effects exerted by these factors, fourteen com-mercial PVC resin samples, of domestic as well as foreign origin, have beeninvestigated by using rheotest apparatus...

The rheologic behavior of a PVC plastisol will vary with many factors, e. g.,the average particle size and its distribution of the primary particle of the PVCresin used, the easiness of disintegration of the aggregated particles (secondaryparticle) when the latter are in contact with a given plasticizer and etc. Now, anattempt tries to make clear the effects exerted by these factors, fourteen com-mercial PVC resin samples, of domestic as well as foreign origin, have beeninvestigated by using rheotest apparatus and electron microscope for this purpose, Based upon the experimental results obtained three models of granulometricstate of resins in plastisols are established which may serve as a useful referenceto meet a given purpose, These models have been confirmed through the examina-tion with electron microscope, the ultra fine sections of the sample disclose themorphology and the structure of the secondary particles, Following this line, theinfluence of characteristic of PVC resin particles exerts upon the rheologic beh-avior of the plastisol system may then be traced.

糊用PVC树脂在增塑糊中的颗粒状态决定于PVC树脂的颗粒特征。研究了十四种商品糊用PVC树脂增塑糊的流变行为与初级粒子的粒径大小和分布、与次级粒子在增塑剂中和在剪切条件下的相对崩解强度的关系。在此基础上提出了所研究的PVC树脂在增塑糊中颗粒状态的三种模型。此模型藉助于次级粒子超薄截面的透射电镜观察和次级粒子表面形态的扫描电镜观察的研究予以证实。初步阐明了糊用PVC树脂的颗粒特征对其增塑糊流变行为的影响。从而对国产糊用PVC树脂的质量改进提供了参考。

The principle and calculation for the measurement of particle size distribution of grapite with LKY-1 particle apparatus are introduced.Ef fects of dispersant, sedimentation and buffer solutions on the dispersion of graphite are described in detail. Results indicate that the particle size distribution of several kinds of graphite measured by this method is similar to the particle size range shown in scanning electron micrograph. A good repeatability is reported.This method can be applied to the determination...

The principle and calculation for the measurement of particle size distribution of grapite with LKY-1 particle apparatus are introduced.Ef fects of dispersant, sedimentation and buffer solutions on the dispersion of graphite are described in detail. Results indicate that the particle size distribution of several kinds of graphite measured by this method is similar to the particle size range shown in scanning electron micrograph. A good repeatability is reported.This method can be applied to the determination of particle size distribution of ultra fine particle powder.

本文报导了用LKY-1型微粒测定仪测定石墨粒径大小及粒度分布,以及分散剂、沉降液、缓冲液等因素对测定结果的影响。实验表明,用圆盘离心沉降法测定几种石墨粒度分布情况与扫描电镜照片粒径范围接近。该方法重复性好,可用于测定超细粉末的粒度分布。

 
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