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technique. The effect of Bi-based ferroelectrics of BiCrO3 on the crystal structure, dielectric and piezoelectric properties was investigated. X-ray diffraction patterns indicate that trace BiCrO3 addition(x=0?0.02) causes insignificant change in crystal structure, and an obvious secondary phase is observed in the samples with x>0.02. The piezoelectric constant d33 and the electromechanical coupling......
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J. Cent. South Univ. Technol. (2010) 17: 1370-1375 DOI: 10.1007/s11771-010-0644-8 Comparative analysis of seismic response characteristics of pile-supported structure KONG De-sen(孔德森)1, 2, 3, LI..., Shanghai 200092, China ? Central South University Press and Springer-Verlag Berlin Heidelberg 2010 Abstract: In order to analyze the seismic response characteristics of pile-supported structure......
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Structure and antibacterial activity of new layered perovskite compounds TAN Shao-zao(谭绍早)1, ZHANG Li-ling(张力玲)1, XIA Liao-yuan(夏燎原)1, LIU Ying-liang(刘应亮)1, LI Du-xin(李笃信)2 1. Department... permanency and water-resistance were evaluated. Surprisedly, no significant changes in crystal structure of Na2La2Ti3O10 are found by the exchange of silver ions. The Ag0.3Na1.7La2Ti3O10 particles conglomerate......
GLASS FORMATION AND STRUCTURE OF NON-OXIDE GLASSES于福熹摘 要:<正>In this paper the characteristics of glassformation and structure of non-oxide glasses have beensummarized and some basic points have been discussed.Themain points are as follows:Chemcal bond nature is a deter-minative factor of formation and structure of glass;Calcu-lation of glass......
基于Pro/E Structure的切削工艺辅助分析张远平西安理工大学高等技术学院 西安710082摘 要:用Pro/Mechanica的structure模块对零件的加工工艺进行夹紧变形分析,以验证夹紧定位方案的合理性,从而找出适用的方法,保证零件的加工精度.关键词:Pro/E;夹紧变形;误差分析;......
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Crystal Structure of a New Compound :Na2.1Ba0.9Cu0.1Nb4.9O14.3张高科摘 要:Single crystal of a new compound Na2.1Ba0.9Cu0.1Nb4.9O14.3 was synthesised for the first time. The crystal structure has been determined by single crystal X-ray diffraction and the final R value is 0. 0559. The compound crystallizes in a tetragonal unit cell [a = 12. 442(3) A and c = 3......
Crystal structure of Mg3Pd from first-principles calculations DENG Yong-he(邓永和)1, WANG Tao-fen(王桃芬)1, ZHANG Wei-bing(张卫兵)1, TANG Bi-yu(唐璧玉)1, ZENG Xiao-qin(曾小勤)2, DING Wen-jiang(丁文江)2 1. Key...; Abstract: Crystal structure of Mg3Pd alloy was studied......