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Trans. Nonferrous Met. Soc. China 31(2021) 2442-2453 Achieving remarkable piezoelectric activity in Sb-Mn co-modified CaBi4Ti4O15 piezoelectric ceramics Yang LIU1, Yang YU1, Chen-yi YIN1, Liang...; piezoelectric ceramics; piezoelectric activity; resistivity; thermal stability 1 Introduction In recent years, numerous industries have realized improved performances for piezoelectric sensors......
.ysxb.1004.0609.2021-41032 XUE Guo-liang, SUN Qi-wei, ZHOU Xue-fan, et al. Performance of piezoelectric catalysis of sodium niobate powder in degradation of Rhodamine B[J]. The Chinese Journal of Nonferrous Metals... ( D8 Advance, Bruker,德国)测试NaNbO3微米粉末的XRD谱,并进行晶体结构的标定.样品的微观形貌使用场发射扫描电子显微镜(FESEM,NovaNanoSEM230,美国)检测样品的微观形貌,并进行能谱扫描.通过扫描探针显微镜(NanoManVS+Multimode,Veeco,美国)对粉末进行测试,并且通过扫描探针显微镜下的压电力模式(Piezoelectric force......
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on piezoelectric effect of rock and the electric field expression under stress wave and the resolution of the transmitted coefficients in the joint, the intensity variation of the electromagnetic emission (EME... and frequency. When the rock properties on the two sides of the joint are different, the variation of EME intensity becomes complicated under the influence of many parameters. Key words: piezoelectric effect......
Piezoelectric and dielectric properties of Lix(K0.46Na0.54)1-xNb0.86Ta0.1Sb0.04O3 lead-free ceramics CHEN Zhi-wu(陈志武) 1, HU Jian-qiang(胡建强)2 1. College of Materials Science and Engineering, South...; Abstract: Lead-free piezoelectric ceramics Lix......
An approach for complex activity recognition by key framesXIA Li-min(夏利民), SHI Xiao-ting(时晓亭), TU Hong-bin(涂宏斌) (School of Information Science and Engineering, Central South University, Changsha 410075, China)Abstract:A new method for complex activity recognition in videos by key frames was presented. The progressive bisection strategy (PBS) was employed to divide the complex activity......
J. Cent. South Univ. Technol. (2010) 17: 755-759 DOI: 10.1007/s11771-010-0552-y Photocatalytic activity of bauxite-tailings supported nano-TiO2 LU Qing-hua(卢清华) , HU Yue-hua(胡岳华), WANG Meng(王梦... of phenol concentration under different illumination time. Effects of the calcination temperature, the pH and the cycles on the photocatalytic activity of TiO2/BTs composites were investigated......
Equivalent Activity Coefficient Phenomenon of Cerium Reacting with Lead or Bismuth in Ag, Cu and Zn Alloy 钱乙余1,薛松柏1,董健2 (1.National Key Laboratory of Advanced Welding Production Technology, Harbin Institute of Technology, Harbin 150001, China;2.Harbin Welding Institute, Harbin 150080, China) Abstract:The relation between contents of cerium and impurity lead or bismuth to their activity......
Effect of poling condition on piezoelectric properties of (K0.5Na0.5)NbO3 ceramics DU Hong-liang(杜红亮)1, TANG Fu-sheng(唐福生)1, LI Zhi-min(李智敏)1, ZHOU Wan-cheng(周万城)1, QU Shao-bo(屈绍波)2, PEI...: The lead-free piezoelectric ceramics (K0.5Na0.5)NbO3 (abbreviated as KNN) with the relative density of 97.6% were synthesized by press-less sintering owing to the careful control of processing......
-chitosan composite in a simulated body fluid using piezoelectric quartz crystal impedance XU Chao, HE De-liang, ZENG Li-ping, LUO Sheng-lian (State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan University, Changsha 410082, China) Abstract: The biomineralization process of hydroxyapatite-chitosan (HA-CS) in a simulated body fluid was studied using piezoelectric quartz crystal impedance......