In this study,the least square method for separating twofold broadening effect of crystallite-fault were proposed and used to characterize the average crystallite size and stacki.
为了表征这种纳米ZnO的晶粒大小和层错几率,提出了分解纳米ZnO微晶-层错二重宽化效应的最小二乘法。
The result shows that its crystallite size is decreased,micro\|strain and effective temperature are increased as well as its crystalline lattice is disordered with grinding time increasing.
研究表明 :随着粉磨的进行 ,金红石型TiO2 的晶粒大小D减少、显微应变ε增加 ,有效温度系数增加 ,晶格无序化程度增强。
And the calculation of crystallite size derived from Debye-Scherrer s equation is carried out in terms of Least Square Method by self-written VB program.
然后在Debye-Scherrer方程的基础上运用最小二乘法对晶粒大小进行计算,这一过程由自编的VB程序完成。
The effects of extrusion deformation on grain size and properties of AZ31 magnesium alloy;
热挤压工艺对AZ31镁合金晶粒大小及性能的影响
The lattice parameter and the grain size of BaTiO3 nanocrystal were calculated.
用X射线粉末衍射仪对粉体的晶态进行了表征,计算了BaTiO3粉体的晶格常数,以及不同焙烧温度下BaTiO3粉体的晶粒大小。
The results indicate that the processing times has no prominent effect on the grain size of friction stir processed zone.
结果表明:加工次数对搅拌摩擦区晶粒大小影响不大;但加工次数多可增加搅拌摩擦区组织的面积,并使组织均匀化;使热机械影响区组织向搅拌摩擦区组织发生转变;增大轴肩下压区细晶组织面积,进一步细化轴肩下压区的晶粒。
ZSM-5 zeolites with different crystal sizes ranged from 3 to 12 μm were synthesized using hydrothermal method under different reaction conditions.
用水热法合成了晶粒大小在3～12μm 的 ZSM-5分子筛,并考察了晶化温度、晶化时间、模板剂品种和用量等因素对分子筛结晶度和晶粒大小的影响。
Titanium silicalite 1(TS 1)with different crystal sizes were synthesized in the system of TPABr n butylamine by adjusting the formation of gel and the method of crystallization.
在四丙基溴化铵 正丁胺体系中合成不同晶粒大小的TS 1沸石 ,采用IR、XRD UV Vis、SEM、2 7AlMASNMR对其进行表征 ,并以丙烯环氧化反应为探针考察其催化性能。
In this paper,aromatization of propane has been studied over ZnZSM 5 with different crystal size in a fixed bed reactor.
在常压连续流动固定床反应器上，以Ｚｎ／ＨＺＳＭ － ５ 为催化剂，考察了分子筛晶粒大小、焙烧温度、水热处理温度和正硅酸乙酯改性对丙烷芳构化转化率、芳烃收率以及产物分布的影响。
austenite grainsize determination
奥氏体晶粒大小测定法
Steels - Micrographic determination of the ferritic or austenitic grain size???
钢的铁素体或奥氏体晶粒大小显微照相的测定
Effect of aluminium sources on crystal size and morphology of ZSM-5 zeolite
铝源对合成ZSM-5分子筛晶粒大小及形貌的影响
EFFECTS OF CRYSTAL SIZE AND PHOSPHORUS MODIFICATION OF ZSM-5 ZEOLITE ON ITS CATALYTIC PERFORMANCE IN THE CONVERSION OF METHANOL TO PROPYLENE
分子筛晶粒大小及磷改性对ZSM-5催化甲醇转化制丙烯的影响
Effect of Yttrium on Grain Size,Microstructure and Mechanical Properties of AZ91 Magnesium Alloy
钇对AZ91镁合金晶粒大小显微组织及力学性能的影响
Grain size had some effect on the rate of crack propagation.
晶粒尺寸大小对裂纹扩展速率也有影响。
Mechanical characteristics of rock and soil affected by particle size of crystal and mineral
晶体及矿物颗粒大小对岩土材料力学性质的影响
Preparation and properties of nano-crystalline TiO_2 porous film electrode composed of large and small nano-particles
大小颗粒混和的纳晶多孔TiO_2薄膜电极的制备及其性能研究
GRAIN BOUNDARY MIGRATION IN RECRYSTALLIZED ARMCO IRON DURING GRAIN GROWTH
α-铁素体晶粒长大过程中的晶界迁移
Simulation of grain growth of AZ31Mg alloy during recrystallization by phase field model
相场法模拟AZ31镁合金再结晶晶粒长大
Avoid larger crystals or a concentration of crystals towards the bottom of the ware.
避免大的结晶粒或密集结晶粒接近坯件底部。
a granular crystalline intrusive rock.
一种由小粒形成的晶体侵入岩。
Grain Growth Kinetic of Co Nanocrystalline Prepared by High-Energy Ball Milling;
球磨法制备Co纳米晶晶粒长大动力学研究
Effect of abnormally large prior-austenite grains on the presence of surface intergranular cracks
异常粗大的奥氏体晶粒对表面晶间裂纹的影响
These are loose aggregates of a large number of primary particles of crystalline or spherical shape.
这些是大量晶体，或球原始粒子的疏松团粒。
Phase-field Method Simulation of the Grain Growth with Hard Particle
相场方法模拟硬质颗粒对两相晶粒长大的影响
Computer Simulation of Austenite Grain Growth in HAZ of Ultra-Fine Grain Steel;
超细晶粒钢焊接HAZ奥氏体晶粒长大的计算机模拟
The Temperature Field Simulation of Fine Grain TC4 Titanium Alloy and Studying of Grain Growth;
细晶粒TC4钛合金焊接温度场模拟及晶粒长大规律研究