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J. Cent. South Univ. (2017) 24: 245-258 DOI: 10.1007/s11171-017-3425-4 Fuzzy-GA based algorithm for optimal placement and sizing of distribution static compensator (DSTATCOM) for loss reduction...: distribution FACTS (DFACTS); distribution static compensator (DSTATCOM); network reconfiguration; genetic algorithm; fuzzy membership function; power loss reduction 1 Introduction Distribution......
. Key words: metallic glasses; nanocrystals; catalysis; hydrogen storage  ... metallic glasses is most important for the study of their oxidation rule[1-2] and their potential application, e.g. as penetrators[3-6], as materials for hydrogen or deuterium storage[7], or as catalysts......
Electrode properties and phase composition of Ti0.5Ni0.25Al0.25 hydrogen storage alloys and theoretical simulation WU Jun(吴 军)1, XU Yan-hui(徐艳辉)1, CHEN Chang-pin(陈长聘)2, ZHENG Jun-wei(郑军伟)1, LI De... words: hydrogen storage alloy; electrochemical kinetics; metal hydride electrode; theoretical simulation 1 Introduction Among all the factors promoting the scientists to study and improve......
; numerical simulation; aeration and erosion reduction 与传统消能方式相比,竖井旋流式溢洪道通过快速改变水流状态形成紊流或漩涡,消耗大部分能量,能够达到泄洪消能和保护泄水建筑物的目的,具有消能率高,不会产生挑流雾化等优点.然而,竖井内水流沿井壁旋流下泄,在重力和壁面摩阻力的作用下,井壁上的压力逐渐减小,甚至产生负压,容易造成空蚀破坏[1].因此,在旋流式溢洪......
on electrolyte flow field in 156 kA drained aluminum reduction cells ZHOU Nai-jun(周乃君)1, XIA xiao-xia(夏小霞)2, WANG Fu-qiang(王富强)1 (1. School of Energy Science and Engineering, Central South University, Changsha 410083, China; Abstract: Based on the commercial CFD software CFX-4.3, two-phase flow of electrolyte in 156 kA drained aluminum reduction cells with a new structure was numerically simulated......
Influence of addition of Cu(OH)2 to KOH alkaline electrolyte on electrochemical properties of La2Mg0.9Al0.1Ni7.5Co1.5 hydrogen storage alloy electrode WANG Da-hui(王大辉)1, LUO Yong-chun(罗永春)2, YAN...: The influence of the addition of Cu(OH)2 to 6 mol/L KOH alkaline electrolyte on the electrochemical properties of La2Mg0.9Al0.1Ni7.5Co1.5 hydrogen storage alloy electrode was investigated by electron probe X......
Effects of Pd substitution for Ni on corrosion performances of Mg0.9Ti0.1Ni1-xPdx hydrogen storage alloys TIAN Qi-feng(田琦峰)1,2, ZHANG Yao(张 耀)1,2, TAN Zhi-cheng(谭志诚)1,2, XU Fen(徐 芬) 1,2, SUN Li...: The Mg0.9Ti0.1Ni1-xPdx (x= 0, 0.05, 0.1, 0.15) hydrogen storage electrode alloys were prepared by mechanical alloying. The main phases of the alloys were determined as amorphous by X-ray diffraction(XRD......
J. Cent. South Univ. Technol. (2009) 16: 1001-1005 DOI: 10.1007/s11771-009-0166-4 Stability analysis of shallow tunnels subjected to seepage with strength reduction theory YANG Xiao-li (杨小礼...; Abstract: Based on strength reduction theory, the stability numbers of shallow tunnels were......
and Technology,Xiangtan 411201, China Central South University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2020 Abstract: Oxygen reduction reaction (ORR) plays a crucial role in many energy storage and conversion devices. Currently, the development of inexpensive and high-performance carbon-based non-precious-metal ORR catalysts in alkaline media still gains a wide attention......
核壳结构纳米催化剂的制备及其低温催化氧化NO性能 王盼1,唐晓龙1, 2,易红宏1, 2,李凯1,王建根1,向瑛1,徐先莽1 (1. 昆明理工大学 环境科学与工程学院,云南 昆明,650093; 2. 北京科技大学 土木与环境工程学院,北京,100083) 摘要:选用醋酸锰作为成壳的前驱物质,纳米二氧化硅作为核材料,分别采用浸渍法,浸渍沉积法和层层自组装法制备SiO2/MnOx核壳结构催化剂,并探索所制核壳结构催化剂NO低温催化氧化活性,对3种方法所制催化剂进行TEM表征.此外,分别研究核壳结构催化剂制备过程中核材料SiO2焙烧温度,SiO2负载锰物质后的焙烧温度,焙烧时间和锰负载量(质量分数......