粒子大小

  • 网络particle size;Grain Size
粒子大小粒子大小
  1. 煅烧温度对催化剂中Ag的粒子大小有很大影响;

    The particle size of Ag was much influenced by the calcination temperature ;

  2. 结果表明ZnO为六方晶系纤锌矿型,粒子大小约为27nm。

    The results indicated that the ZnO particles crystallized in the wurtzite phase with the particle size of 27 nm .

  3. 考察了载体孔道对金属铑的结构及形貌的影响,研究了粒子大小对CO加氢反应的影响。

    Studies of support pore effect on rhodium particle sizes and morphology were carried out , as well as the Rh particle size effect on CO hydrogenation .

  4. 研究结果表明,异丙醇水溶液的组成对TiO2产率、粒子大小和形貌的影响较大;

    The results show that the composition of isopropyl alcohol-water solution plays an important role in morphology and grain size of titania particles .

  5. 本文以氧氯化锆为原料用Sol-Gel技术在多孔陶瓷管上制备了ZrO2膜,文中考察了草酸氧锆溶胶的粒子大小和流动特性;

    Zirconia membranes formed on porous ceramic tubes were prepared by Sol-Gel Technique , by using zirconyl chloride as starting material .

  6. 用X射线衍射(XRD)、红外光谱(IR)、透射电镜(TEM)和BH仪对掺杂不同比例多糖所制备的Fe3O4粒子大小与分布、晶格应变以及磁性能等进行了研究。

    The particle size and distribution , lattice strain , and magnetic properties of magnetite doped with polysaccharide have been studied by XRD , IR , TEM and BH apparatus .

  7. TEM及XRD测试表明,铜粒子大小为33mn左右且具有一定结晶度时催化剂选择性较高。

    The results of TEM and XRD showed that the selectivity of Cu / SiO2 catalyst was high when copper particle size was about 33 mn and the crystallinity of copper reached definite value .

  8. 在具有不同孔径大小的SiO2及MCM-41载体上,利用传统浸渍法合成了两类具有相同金属担载量、不同粒子大小的催化剂。

    Over SiO_2 and MCM-41 supports with different pore sizes , a series of monometallic catalysts were prepared by traditional impregnation method with the same metal loading .

  9. 利用共沉淀法(CP)和沉积-沉淀法(DP)制备了Au/Co3O4催化剂,考察了制备条件及不同制备方法对金粒子大小的影响。

    Au / Co_3O_4 catalyst was prepared by co-precipitation ( CP ) and deposition-precipitation ( DP ) . And effects of preparation conditions and methods on the particle size were discussed .

  10. 制备了ZrO2/Fe3O4磁性固体酸催化剂,利用XRD、DTA、IR等手段研究了磁性基质对ZrO2的粒子大小、晶化温度、晶型结构及超强酸中心的影响。

    Magnetic substrate Fe_3O_4 and ZrO_2 are assembled together , and magnetic solid acid catalyst is prepared . The structure and properties of the synthesized magnetic solid acid are studied by the methods of DTA , XRD , FT-IR .

  11. 采用化学还原法制备了Co-B超细非晶催化剂,借助XRD、SEM、比表面测定等技术研究了催化剂的物相、粒子大小与形貌、比表面积及大豆油加氢活性。

    The ultrafine amorphous Co-B catalyst is prepared by chemical reduction method . XRD , SEM and specific surface area measurement techniques are used to investigate the phase , morphology , particle size and catalytic activity of the catalyst for the hydrogenation of soybean oil .

  12. 本研究采用微乳液方法合成了一系列具有相同金属担载量、不同粒子大小的单、双组份催化剂,研究了金属粒子大小和助剂锰对CO加氢生成C2含氧化合物反应性能的影响。

    By using microemulsion technique , a series of mono - and bi - components catalysts with the same loading but different particle sizes was synthesized . Particle size effect and Mn effect on CO hydrogenation to produce C2 oxygenates were studied .

  13. 研究了偏振光入射到5种不同粒子大小、2种不同浓度的复合粒子场后散射强度分布,并用Mueller矩阵来描述复合粒子场的散射特性。

    Scattering intensity distribution property is studied when polarized light incident multiple scattering fields which contains five particle sizes and two concentration separately . Muller matrices is used to represented the scattering property .

  14. 此外,基体中Fe,Cr含量高的试样具有较好的抗疖状腐蚀能力,认为影响Zr-4合金腐蚀行为的主要因素是基体中的Fe,Cr固溶体含量,而不是第二相粒子大小。

    And those specimens with the higher Fe and Cr contents in matrix showed a good nodular corrosion resistance . It is also considered that the main factor affecting the corrosion behavior of Zr-4 is the solute contents in matrix rather than the second phase particles size .

  15. 结果表明:在PtRu/C中,面心立方结构中的部分铂原子被钌原子取代,铂钌合金原子的粒子大小在3nm左右;

    The XRD results indicate that part of Pt atoms in the Pt_Ru / C catalysts are replaced by Ru atoms on the lattice pointes of a face_centered cube . Pt_Ru particle size is about 3 nm .

  16. 本文论述了用序列脉冲激光在4F光学系统中测量各种情况下的喷雾粒子大小、分布及运动速度的同轴全息和离轴全息方法。

    The paper introduces an instrument for measuring the sizes , distribution and velocities of sprayed particles in various circumstances , by using on in - line and off - oxis holography and sequential pulse laser in 4F Optical System .

  17. 利用微乳法,通过调节W0值(水与表面活性剂的摩尔比),实现了负载型Rh/SiO2催化剂中金属铑粒子大小的可控合成。

    Controllable synthesis of the silica-supported rhodium catalyst with uniform particle size has been achieved through microemulsion technique by manipulating the W_0 value ( molar ratio of water to surfactant in the precursor ) .

  18. 实验结果表明:微乳体系中水与表面活性剂的摩尔比rw在所研究的范围内对金粒子大小影响不大,而氯金酸溶液的浓度对金粒子大小影响较大。

    The results showed that the molar ratio of water to surfactant ( r w ) had nothing to do with the gold particle size , but the concentration of the aqueous gold salt solution had a significant effect on the size of gold particle .

  19. 利用色散补偿白光相关器及高通滤波技术检测粒子大小

    Particle sizing using dispersion-compensated white light correlation and high pass filtering

  20. 第二相粒子大小对材料延性断裂过程的影响

    The Effects of Second Phase Particle Size on Ductile Fracture of Metals

  21. 比较具体地概述了有关气溶胶粒子大小和化学成分的分析测量方法,对国外的实时气溶胶单粒子质谱研究进行了总结。

    And real - time single particle mass spectrometry was also summarized .

  22. 过渡金属离子对介孔氧化硅粒子大小的影响

    The Effect of Transition Metal Ion on the Size of Mesoporous Silica

  23. 超微粒乳剂中粒子大小的测量

    Study on measurement of Ultra-fine Grains Emulsions Grains Size

  24. 功能单体对胶乳粒子大小及分布有较大影响;

    The particle size and distribution of latex was influenced by functional monomer .

  25. 根据电镜测得的粒子大小,提出了棒状粒子模型。

    A rod-like particle model was proposed from the particle size measured by TEM .

  26. 关于酸性粒子大小计算的研究

    Study on Calculating Size of Acidic Particles

  27. 颜料粒子大小和比例对光泽喷墨打印纸涂层适印性的影响

    Influence of Pigment Particle Size and Pigment Ratio on Printability of Glossy Inkjet Paper Coatings

  28. 孔隙大小和方向主要受颜料粒子大小和排列方向的影响。

    Particle size and orientation were found to affect the pore size and pore orientation .

  29. 讨论了乳化剂、固含量、反应温度等对微胶乳粒子大小的影响。

    Influences of emulsifying agent , monomer and temperature on properties of latex were discussed .

  30. 种子对聚合物粒子大小及分布的影响&氯乙烯种子乳液聚合

    Effect of seed on polymer particle size and size distribution in seeded emulsion polymerization of vinyl chloride