材料期刊网

Real-time Observation on Coarsening of Second-Phase Droplets in Al-Bi Immiscible Alloy Using Synchrotron Radiation X-ray Imaging Technology

Hui-Jun Kang , Peng Zhou , Fei Cao , Jing Zhu , Ya-Nan Fu , Wan-Xia Huang , Ti-Qiao Xiao

金属学报(英文版) doi:10.1007/s40195-015-0282-0

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密相气力输送颗粒静电波动信号多尺度分析

许传龙 , 王式民

工程热物理学报

在加压密相气力输送实验装置上获得了不同操作条件下煤粉颗粒静电波动信号,并用Hilbert-Huang变换、功率谱进行分析.结果表明:随着表观速度的增加,静电波动信号主峰值的频率增大;静电波动信号希尔伯特-黄变换(Hilbert-

关键词: 颗粒静电 , 静电传感器 , 气-固两相流 , Hilbert-Huang变换

1998 COMPREHENSIVE TABLE OF CONTENTS

中国腐蚀与防护学报

N。1Atmospheric Corrosivlty for Steels………………………………………………… .LIANG Caideng HO[I i。-tat（6）Caustic Stress Corrosion Cr。king of Alloy 800 Part 2.The Effect ...

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Shock compression of monocrystalline copper: Experiments, characterization, and analysis

Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing

Monocrystalline copper samples with [001] and [221] orientations were subjected to shock/recovery experiments at 30 and 57 GPa and 90 K. The slip system activity and the microstructural evolution were investigated. Different defect structures, including dislocations, stacking faults, twins, microban...

关键词: Shock compression;Shock loading;Slip bands;Microtwins;Microbands;strain rate history;single-crystals;grain-size;constitutive;description;plastic-deformation;mechanical response;deformed metals;loaded nickel;substructure;recrystallization

Mean-field theory for ferroelectricity in Ca(3)CoMnO(6)

Physical Review B

An elastic Ising model for CoMnO(6) chain is proposed to explain the ferroelectricity induced by collinear magnetic order in Ca(3)CoMnO(6), and then a mean-field theory with interchain spin interactions based on this model is developed. With inclusion of the dynamics of polarization domains at finit...

关键词: calcium compounds;cobalt compounds;dielectric polarisation;ferroelectricity;Ising model;magnetic susceptibility;multiferroics;optical susceptibility;one-dimensional oxides;magnetic-properties;multiferroics;ca3co1+xmn1-xo6

Lu-induced orthorhombic phase in polycrystalline La0.7Sr0.3MnO3

Physica B-Condensed Matter

Polycrystalline La0.5Lu0.2Sr0.3MnO3 samples prepared by thermal decomposition are investigated by means of electron diffraction and high-resolution transmission electron microscopy. Besides rhombohedral La0.7Sr0.3MnO3 phase (R-phase) and hexagonal LuMnO3 phase (H-phase) reported by

关键词: orthorhombic lattice;octahedral;substitution;atomic bonding;la0.7-xluxsr0.3mno3 perovskites;transport-properties;magnetoresistance;films

Effects of A-site doping on microstructure and phase separation of La0.5RE0.2Sr0.3MnO3 (RE=Eu, Ho, Yb, Lu)

Materials Letters

Phase separation and microstructure of La0.7Sr0.3MnO3 doped with rare earth elements (Eu, Ho, Yb and Lu) are studied using X-ray diffraction (XRD) and transmission electron microscopy (TEM). Composition and diffraction analyses demonstrate that the ionic radius of doping element plays an important r...

关键词: ionic radius;crystalline structure;lattice constants;orthorhombic;perovskite;hexagonal non-perovskite;magnetoresistance;perovskites;films

柏子养心丸的毛细管电泳指纹图谱

孙国祥 , 殷瑞娟

色谱 doi:10.3724/SP.J.1123.2011.12085

建立了柏子养心丸(Baizi Yangxin Wan,BZYXW)毛细管区带电泳指纹图谱(CEFP).采用三棱柱优化法优化背景电解质(BGE),以色谱指纹图谱分离量指数(RF)为实验条件优化的目标函数,最终确定BGE为50mmoV/L硼砂...

关键词: 毛细管电泳指纹图谱 , 三棱柱优化法 , 系统指纹定量法 , 色谱指纹图谱分离量指数 , 柏子养心丸

高效液相色谱-线性指纹定量法评价人参归脾丸的三波长指纹图谱

孙国祥 , 豆小文 , 杨兰萍 , 刘中博

色谱 doi:10.3724/SP.J.1123.2012.12004

以样品指纹向量与对照指纹向量的多元化学组分间存在线性函数关系为基础,引入相关系数r、斜率a、截距6及线性定性相似度SL、线性定量相似度ML等概念,建立线性指纹定量法(linearly quantified fingerprint method,LQFM)模型以定性、定量控制中药质量.用高效液相色谱-...

关键词: 高效液相色谱 , 线性指纹定量法 , 三波长指纹图谱 , 人参归脾丸 , 中成药

有限变形下闭孔泡沫铝的非线性压缩行为

陈伟 , 卢子兴

复合材料学报 doi:10.13801/j.cnki.fhclxb.20151204.002

基于 Huang(北京大学)和 Wang(北京大学)的理论和热力学第二定律，研究了有限变形下闭孔泡沫铝的非线性压缩行为。通过引入内变量及内变量的演化方程，给出了有限变形下同时考虑细观结构参数和黏性效应的有效幂律势函数及相应的应力表达式。基...

关键词: 球形闭孔高密度泡沫铝 , 有限变形 , 有效幂律势函数 , 非线性力学行为 , 黏性