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and Engineering,University of Delaware,Newark 19716,USA) Abstract:Mesoporous CeO_2 particles with high surface area were synthesized using a modified evaporation-induced self assembly(EISA) method which......
, China) Abstract:The synthesis of nanosized powders and their assembly is of considerable importance to the microelectronics industry because of the pervasive drive to miniaturize components......
Site Selective Spectroscopy of Surfactant-Assembled Y2O3∶Eu Nanotubes 吴长锋1,张继森1,赵丹1,秦冠仕1,秦伟平1 (1.Key Laboratory of Excited State Processes, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences,Changchun,130022, China) Abstract:Y2O3:Eu nanotubes were synthesized by a surfactant assembly mechanism. Under ultraviolet-light excitation, the nanotubes present......
Layer by layer synthesis of Sn-Co-C microcomposites and their application in lithium ion batteriesZHOU Xiang-yang(周向阳), ZOU You-lan(邹幽兰), Yang Juan(杨娟), XIE Jing(谢静), WANG Song-can(王松灿)(School of Metallurgical Science and Engineering, Central South University, Changsha 410083, China)Abstract:Alloy anodes were studied for pursuing Sn-based microcomposite synthesis, assembly and performance......
engine (HFPE) were introduced. The basic vibration equation of free piston assembly (FPA) was established based upon the energy conversion between the injected fuel and the friction together... and the expansion stroke, which is the unique feature of the single-piston HFPE.Key words:hydraulic free piston engine; free piston assembly; vibration system; nonlinear conservative autonomous system; asymmetry......
was investigated. It is found that, after being optimized, the electrocatalytic abilities of the HSA is reasonably good, the current density of the HSA anode membrane and electrode assembly(MEA) reaches 168mA/cm2... MlNi3.65Co0.85Al0.3Mn0.3 as an anode electrocatalyst of PEMFC membrane and electrode assembly(MEA) is reported. The electrochemical properties of HSA MlNi3.65Co0.85Al0.3-Mn0.3 anode MEA is investigated......
of metals are greatly affected by thermal operations. So, for evaluating the stress distribution and distortion of teeth profiles in a gear/shaft assembly, a transient thermal analysis is necessary... of automotive transmission gearing that the components precision is a major concern, this mode of assembly has almost replaced other methods like securing the parts by inserting a pin in a groove and welding......
a production sequence of different types of cars in the mixed-model assembly line. A hybrid algorithm is proposed to find an assembly sequence of CSP with minimum violations. Firstly, the hybrid algorithm... sequencing problem (CSP) involves determining an order of cars for each workday’s production in a mixed-model assembly line. A mixed-model assembly line makes various types of cars to be assembled......