粒子大小
- 网络particle size;Grain Size
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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 ;
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 ) .
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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 .
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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
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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
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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 .
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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
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超微粒乳剂中粒子大小的测量
Study on measurement of Ultra-fine Grains Emulsions Grains Size
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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 .
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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 .
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关于酸性粒子大小计算的研究
Study on Calculating Size of Acidic Particles
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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
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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 .
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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 .
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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