Cleavage fracture is a typical brittle fracture and also a process consisted of crack producing and spreading, and the mechanism is related to dislocation and crystalline grain.

In the situation that other technical conditions keep unchanged, the average crystalline grain size for the latter is smaller than for the former.

在其它工艺条件不变的情况下，后者的平均晶粒尺寸小于前者。

TEM, SEM, WDX EDX and selected area electron diffraction are used to study th secondary crystalline phase in Al_2O_3 ceramics containing 0.1& 0.5wt% MgO as solid solution.

应用TEM、SEM、WDX、EDX及选区电子衍射，对掺入0.1&0.5wt%MgO的微晶氧化铝陶瓷因固溶而形成的第二结晶相进行研究。

The crystalline properties of LiNbO_3 ceramics were characterized by XRD and SEM analysis techniques.

用XRD、SEM等分析了LiNbO3陶瓷的结晶特性。

Study on the secondary crystalline phase in al_2o_3 ceramics

氧化铝陶瓷中第二结晶相的研究

Study on Principal Crystalline Phase of Mullite Ceramics with Low Cost

低成本莫来石主晶相陶瓷的研究

Finally, the promising future of the development of nanometer crystalline ceramics and its role in the challenge to the traditional ceramics and ceramic technology are also discussed.

最后，分析了纳米陶瓷的发展前景及对传统陶瓷学、陶瓷工艺的新挑战。

CRYSTALLINE CERAMICS AND ITS APPLICATION Liquid Crystalline Biomacromolecules

透明陶瓷及应用

The XRD results indicate that the esterification of starch mainly occurs in the amorphous region and less in the crystalline region.

XRD分析表明，酯化反应主要发生在淀粉分子非晶区，在结晶区也有一定程度的反应；

The primary optical degradation occurs first in the amorphous region and then develops into the crystalline region;

主要光解反应首先发生在非晶区内，进而向晶区扩展；

Study on Crystalline Region of Synthetic Jadeite

人造翡翠晶化区的研究

A Study on the Crystalline Region and Amorphous Region of Tussah Silk Fibroin

柞蚕丝素结晶和非结晶部分研究

High resolution imaging of interface between amorphous region and crystalline region in GaAs

砷化镓中非晶态与晶态界面的晶格象

The upside of cylinder is liquor field, the middle is reaction thin crystalline region and the lower part is the precipitating and separating field.

上部圆筒为清液区、中部倒圆台为反应细晶区，下部圆筒为大结晶颗粒沉降分级区。

The results showed that gas permeation mainly occurs in amorphous region of the PMP, but also in the crystalline region.

结果表明，气体的透过主要发生在PMP的无定形区域，但也在PMP的晶区进行。

Effects of Post-treatment Method on Crystalline Type, Particle Size, Surface Binding State of Nanometer-size TiO_2

后处理方法对纳米TiO2晶型、粒度与表面结合态的影响

It shows that the doped samples synthesized by this process have good crystalline and homogeneous particle size distribution.

该工艺制备的掺杂样品结晶性好，产品粒径均匀分布。

The results showed that both the crystalline size and particle size increased with increasing calcination temperature.

检测结果表明，粉体的晶粒度和颗粒度都随煅烧温度的增加而增大。

A stable nanometered TiO_2 colloids were prepared from the hydrolysis of titanyl organic compounds by controlling the reaction conditions. The X-ray diffraction and scan electro microscopy ( SEM) revealed that the colloidal TiO_2 was in an anatase crystalline particle form with a diameter of 12 nm.

控制钛氧有机物水解条件合成稳定的纳米二氧化钛胶体，X射线衍射和扫描电子显微镜研究表明，该胶体的胶粒为锐钛矿型晶体，晶粒大小约12nm。

Eucommia ulmoides gum ( guttapercha or balata) is a crystalline particle existing in the bark and leaf of Duzhong tree ( Eucommia ulmoides Oliv), and to extract E.

在杜仲树中杜仲胶以晶体微粒的形式存在，必需用溶剂提取或机械破坏植物组织来获取。

Study on Secondary Pore in Zeolite Molecular Sieve Materials ⅰ. Secondary Pore in Crystalline Particle and Equivalent Diameter of Crystalline Particle

沸石分子筛材料中次级孔的研究&Ⅰ.晶粒内次级孔与晶粒当量直径