Variation of the crystallite size of compounds hydrothermally synthesized and the relationship between the crystallite size and the synthesis conditions,such as the form of the used precursor,hydrothermal reaction temperature and time,were investigated.
任一种化合物晶粒粒度都不可能通过改变水热反应条件而无限制地减小。
Influence of OH -/SiO 2 ratio (alkalinity) on the particle size distribution and structure of the β zeolite synthesized during a shorter crystallization period (60 h) has been studied.
β沸石是一种固体酸催化剂，其晶粒粒度及分布对催化性能有着显著的影响［６］，研究在不同碱度条件下合成的β沸石的晶粒粒度分布及结构是十分必要的。
The main factors affecting particle size are analyzed from the view of the rate of nucleation.
认为成核过程主要包括生长基元的形成和生长基元之间的脱水反应过程，并从成核速度的角度分析了影响晶粒粒度的主要原因。
The effects of stripping temperature, the initial iron concentration in the organic phase and the initial pH of the water phase on the nanoparticle size were investigated by means of XRD and TEM.
结果表明,有机相中的铁浓度、水热反萃温度的提高和水相pH值的降低均有利于晶粒粒度的增大,杂质H_2PO_4~-的引入大幅度降低了氧化铁粉末粒度。
EBSD results show that the effective grain size of the steel is a proper parameter to characterize CVN impact toughness of the steels.
研究表明,高钢级管线钢在(800～1300℃)二次加热后,剪切面积和Charpy冲击功呈线性关系;背散射电子显微分析(EBSD)研究同时证明,有效晶粒是反映冲击韧性变化的合理参量。
The Charpy impact test of base metal,weld and heat affected zone of X80 grade pipeline steel of certain factory was conducted,and its effective grain was researched.
对某厂X80高钢级管线钢母材、焊缝、热影响区进行了夏比冲击韧性试验,对其有效晶粒进行了研究。
Electron backscattered diffraction (EBSD) was employed to investigate the relationship between effective grain size and low-temperature toughness.
利用扫描电镜(SEM)、透射电镜(TEM)对炉卷轧机生产X100管线钢的显微组织特点进行了观察与分析,通过背散射电子衍射技术(EBSD)探讨了X100管线钢的有效晶粒尺寸与低温韧性的关系,并利用物理化学相分析的方法对X100管线钢的析出粒子尺寸分布和强化作用进行了定量分析。
Research on Impact Toughness and Effective Grain of X80 Grade Pipeline Steel
X80级管线钢冲击韧性及其有效晶粒研究
Aging Behavior and Grains Refining of 3J33 Maraging Steel
3J33马氏体时效钢时效行为及晶粒细化
For intergranular materials, poorly to moderately well cemented, the total porosity is approximately equal to the effective porosity.
对于由晶体构成的物质，其晶粒间含泥浆少或较少，因此总孔隙度与有效孔隙度近似相等。
Studies on Grain-boundary States in Polysilicon Films FET;
多晶硅薄膜场效应结构的晶粒间界能态分布
Investigation on Grain Refinement and Aging in Mg-12Gd-3Y-0.5Zr Magnesium Alloy;
Mg-12Gd-3Y-0.5Zr（wt.%）合金晶粒细化和时效研究
The Effect of High-Energy Particles Irradiation in Monocrystalline Silicon
高能粒子辐照单晶硅辐照效应的研究
INFLUENCE OF GRAIN SIZE ON TWIP EFFECT IN A TWIP STEEL
TWIP钢中晶粒尺寸对TWIP效应的影响
Effects of SiC on the Grain Refinement in AZ91D Magnesium Alloy
SiC对AZ91D镁合金晶粒细化效果的影响
Microstructures and Refining Effect of Al-Ti-B Grain Refiners
Al-Ti-B晶粒细化剂的组织与细化效果
The Reseach on the Effect of MgCO_3 on the Grain Refinement on AZ91D Magnesium Alloy
MgCO_3对AZ91D镁合金晶粒细化效果的研究
Relationship Between Grain Size and Aging Behavior of Co-Free Maraging Steel
T250马氏体时效钢晶粒尺寸对时效析出的影响
saccharoidal marble
任何具有粒状结晶的大理石
The more pronounced ferrite refinement is achieved as carbon content increased.
碳含量提高有利于铁素体晶粒细化。
Two area defects are twins and grain boundaries.
有两种面积缺陷，即孪生和晶粒间界。
Study on the Grain Refining and Shape Memory Effect of Cu-Zn-Al Alloy;
Cu-Zn-Al合金的晶粒细化及形状记忆效应研究
The Refining Evaluation of AlTiC & AlTiB Grain Refiners on Wrought Aluminum Alloys;
AlTiC、AlTiB晶粒细化剂对变形铝合金的细化效果评定
Study on the Grain Refinement Effects and Fading Behaviors of Electrolytic Low-titanium Aluminum Alloy;
电解低钛铝合金晶粒细化和衰退效果的研究
Performance of Grain Refiner for Al Alloy Fabricated by Different Melting
不同熔炼方式制备铝合金晶粒细化剂效果研究
