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- The crystallite size and surface structure of nano-CeO2 are examined by XRD and TEM. 利用沉淀法制备了纳米氧化铈,并用X射线衍射仪和透射电子显微镜对其结构进行表征。
- Finally, the relationship of different calcination contion and crystallite size is also discussed. 由以上分析,本文还就抛光粉的抛光机理提出了一些看法。
- Electromagnetic testing and ultrasonic testing are the main points for materials hardness,hardness depth,crystallite size,limiting intensity etc. 对材料硬度、硬化层深度、晶粒大小、极限强度等主要采用电磁检测和超声检测。
- At the same time, the crystallite size increases and interplanar distance decreases with the increase of annealing temperature. 同时，随着退火温度的升高，晶粒尺寸长大，晶面间距降低。
- The structure, crystallite size and magnetic properties of powders were investigated by X-ray diffraction and vibrating sample magnetometer. 利用X射线衍射仪和振动样品磁强计对样品的结构、晶粒尺寸和磁性进行了测量和分析。
- The crystallite size, degree of crystallinity( X c) and thermal properties of the [poly(cyanoarylether PCE)] at various temperatures have been studied by using WAXD and DSC. 利用广角 X射线衍射 (WAXD)方法和示差扫描量热法 (DSC)研究了不同热处理温度时聚芳醚腈 (PCE)的微晶尺寸、结晶度及热性能的变化。
- But it acts as a reinforcer in PAMAM/PA6 alloy with high quantity of PAMAM, and retards the crystalline speed, diminishes the crystallite size of the alloy. 而在高用量则对PAMAM/PA6的结晶过程起抑制作用，使微晶尺寸变小，小共混合金起增强作用。
- The result shows that in low quantity of PAMAM, PAMAM acts as a plasticizer in PAMAM/PA6 alloy, and increases the crystalline speed, enlarges the crystallite size of the alloy. 结果表明，PAMAM在低用量时，可提高PAMAM/PA6的结晶速度，使微晶尺寸变大，共对混合金起增塑作用；
- Polarized light microphotographs and WAXD were used to investigate the crystallization behavior.It was observed that crystallite size of the grafted sample decreased. 通过偏光显微镜（PLM）和广角X射线衍射（WAXD）研究聚合物结晶行为，发现形成晶粒尺寸减小。
- The crystallite size decreased as the Sn content increased.In APR of ethylene glycol, RQ Ni-Sn catalyst exhibited higher H2 selectivity and lower alkane selectivity. 在乙二醇液相重整反应中，RQ Ni-Sn催化剂比RQ Ni有更高的H2选择性，更低的烷烃选择性，但乙二醇转化率降低。
- Quantum confinement of both the electron and holein all three dimensions leads to an increase in the effective bandgap of the material with decreasing crystallite size. 所有的三维和洞在朝派电子和的量子监禁随着减少雏晶大小导致一材料的有效乐队间距的增加.
- The average crystallite size of the nanowirs was estimated to be 23 nm by Scherrer formula ,which was consistent with the diameter of the ZnSe nanowires observed by FESEM . 通过Scherrer公式估算出纳米线的尺寸为23 nm，与扫描电镜显示的尺寸较好地符合。
- A polysilicon film has been successfully deposited on a quartz substrate with thereaction of SiH_4 decomposition induced by a CW CO_2 laser. Its Raman shift indicatesthat the crystallite size increases when the inducing reaction lasts. 用CWCO_2激光诱发SiH_4反应;在石英基片上淀积多晶硅膜;它的Raman谱表明;激光诱发反应时间越长;结晶度越高.
- The crystallite size,crystallinity( X c) and chemical properties of the poly(cyanoarylether) (PCE) at various temperatures were studied by using wide angle X|ray diffraction(WAXD) and DSC. 利用广角X射线衍射 (WAXD)方法和示差扫描量热法 (DSC)研究了不同热处理温度 (Th)下聚芳醚腈(PCE)的微晶尺寸、结晶度及热性能的变化 .
- The band gaps of the samples declined from 3.4 to 3.2 eV upon the increasing crystallite sizes. 能隙之大小随著晶粒大小的变化从3.;4电子伏特减少到3
- The effects of the amount of Yb3+ doping and the calcination temperature on the phase transformation, crystallite size, surface texture of the nanopowders were investigated by XRD and BET surface area. 用XRD,BET等技术研究了Yb3+掺杂量和焙烧温度对粉体的相结构、晶粒尺寸和表面织构特性的影响,并以亚甲基蓝的光催化降解为探针反应,研究了它们对光催化活性的影响。
- The resultsshowed that after the treatment of cellulose with L-NH3, the lateral order distribution,crystallinity, crystallite size and lattice form of cellulose were dramatically changed. 结果表明，液氮处理后纤维素的侧序分布、结晶度、微晶尺寸、晶格形态都发生深刻的变化。
- SUN Feng-yu, WU Ming, LI Wen-zhao, et al.Relationship between crystallite size and photocatalytic activity of tiatanium dioxide [J].Chinese Journal of Catalysis, 1998,19(3): 229-233. [8]孙奉玉;吴鸣;李文钊;等.;二氧化钛尺寸与光催化活性的关系[J]
- WAXD analysis demonstrated that ultrasound could change the crystallinity,d spacings,crystal form and crystallite sizes( L hkl )of PP. 通过宽角X射线衍射分析,发现超声会引起PP结晶度、晶面间距、晶型及晶粒尺寸等发生变化。
- They differ in size but not in kind. 这些东西的区别只是大小不同而实质一样。
