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Modified AlAs/GaAs Double Barrier Quantum Resonant Tunneling Diodes Grown by AP-MOCVD任红文,黄柏标,徐现刚,刘士文,蒋民华,于淑琴摘 要:<正> The MOCVD growth of modified AlAs/GaAs double barrier resonant tunneling diodes(DBRTD)withan A1GaAs chair was reported.The resonances to the first excited states were obtained.The peak-to-valley cur-rent ratio(PVCR)is 1.3 at 77K,room......
Selective removal of heavy metal ions in aqueous solutions by sulfide-selector intercalated layered double hydroxide adsorbentJing Wang1,Liang Zhang1,Tianshu Zhang1,Ting Du1,Tao Li2,Tianli... largely under-appreciated,a majority of metal ion sorbents are limited in their target selectivity.In this work,a 3 D sulfide intercalated NiFe-layered double hydroxide(NFL-S)hierarchical sorbent has been......
Corrosion Resistance of Superhydrophobic Mg-Al Layered Double Hydroxide Coatings on Aluminum AlloysFen Zhang1,2,Chang-Lei Zhang1,2,Liang Song3,Rong-Chang Zeng1,2,Lan-Yue Cui1,2,Hong-Zhi Cui11...="ChDivSummary">A superhydrophobic surface was successfully constructed to modify the layered double hydroxide(LDH)coatings on aluminum alloy using stearic acid.The characteristics of the coatings were......
Sulfate Ions Immobilization of Calcined Layered Double Hydroxides in Hardened Cement Paste and Concrete马军涛1,2,3,WANG Daguang2,段平4,3,SHI Yanke1,21. MWR Center for Levee Safety and Disease Prevention... Science and Chemistry, China University of Geosciences摘 要:The sulfate ions immobilization behavior of calcined layered double hydroxides(CLDHs) in the hardened......
and SiO2 nano-particles on the surface of common carbon steels, were prepared by double pulse electrodeposition. The crystallization course was characterized by phase structures, crystallinity, grain sizes... alloys can delay the crystallization course and habit the growth of alloy phases.Key words:composite coating; double pulse electrodeposition; Ni-W-P; nano-particles; crystallization characteristics......
J. Cent. South Univ. (2021) 28: 2120-2130 DOI: https://doi.org/10.1007/s11771-021-4757-z Nonlinear multi body dynamic modeling and vibration analysis of a double drum coal shearer ZHANG Xiao-li(张晓丽... of Springer Nature 2021 Abstract: The double drum coal shearer is widely applied for the underground coal exploration in the mining industry. The vibration and noise control are significant factors......
; Abstract: The deflection of rolls of Sendzimir mill with double AS-U-Roll... of Sendzimir mill. Key words: roll deflection; Sendzimir mill; finite element method; double AS-U-roll ......
Facile synthesis and characterization of acetate intercalated Co-La layered double hydroxideMeenakshi Pokhriyal,Sitharaman Uma,Rajamani NagarajanMaterials Chemistry Group, Department of Chemistry, University of Delhi摘 要:Layered double hydroxide(LDH) comprising of Co2+ and La3+-ions with acetate counter anion was successfully synthesized by hydrogen......
The Adsorbing Effect of Calcined Layered Double Hydroxide for Chloride Ions in Simulated Concrete Pore Solutions唐聿明,ZHAO Xuhui,NIU Le,左禹School of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing Key Laboratory of Electrochemical Process and Technology for Materials摘 要:The adsorbing effect of calcined layered double......
Effect of Layered Double Hydroxides on Ultraviolet Aging Resistance of SBS Modified Bitumen Membrane徐松1,余剑英1,XUE Lihui2,SUN Yubin2,XIE Dong31. State Key Laboratory of Silicate Materials... id="ChDivSummary" name="ChDivSummary">Layered double hydroxides(LDHs)/styrene-butadiene-styrene(SBS) copolymer modified bitumen was prepared by melt blending. The effect of LDHs on the ultraviolet(UV......
