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Zhao X.,Si Chuan University of Science and Engineering
Computer, Intelligent Computing and Education Technology - Selected Peer Reviewed Papers From 2014 International Conference on Computer, Intelligent Computing and Education Technology, CICET 2014 | Year: 2014

College English teaching is a long-term task, which is very complex and complicated. The most difficult part is the teaching for students who major in art and PE in this huge teaching system. Most of these students learn English with no passion and interest because of their low ability of mastering a language, which makes a great impact on college English teaching at many universities. It's extremely urgent for college English teachers to change the way of teaching and take some effective measures to deal with this big problem. © 2014 Taylor & Francis Group. Source


Zeng X.,Si Chuan University of Science and Engineering | Zeng X.,Material Corrosion and Protection Key Laboratory of Sichuan Province | Gong M.,Si Chuan University of Science and Engineering | Chen J.,Si Chuan University of Science and Engineering | Zheng X.,Si Chuan University of Science and Engineering
International Journal of Electrochemical Science | Year: 2014

Porous spherical Li2FeSiO4/C microscale secondary particles have been synthesized by a spray drying-assisted process using citric acid as chelating agent and carbon source. The spherical Li2FeSiO4/C microscale particles (1-5μm) with porous structures consist of carbon-coated primary nanoparticles (20-40 nm), which promises high electronic conductivity and short lithium ion diffusion paths. The as-prepared Li2FeSiO4 sample exhibits desirable electrochemical performance, At 0.2 C and 5 C rates, the capacities of 150 mAh g-1, 94 mAh g-1 are observed, respectively. Meantime, good cycling stability is achieved with a capacity retention of 98.4% at high current density of 1C after 300 cycles. © 2015 The Authors. Source


Gui M.-S.,Si Chuan University of Science and Engineering | Wang P.-F.,Si Chuan University of Science and Engineering | Yuan J.-G.,Si Chuan University of Science and Engineering | Li Y.-Q.,Si Chuan University of Science and Engineering | Zeng W.-G.,Si Chuan University of Science and Engineering
Advanced Materials Research | Year: 2014

Hollow Bi2WO6 microspheres were synthesized using a simple solvethermal method in presence of urea at a proper EG/EtOH volume ratio. The products were characterized by the X-ray powder diffraction (XRD) techniques, Scanning electron microscopy (SEM), Brunauer-Emmett- Teller (BET) and UV-visible diffuse reflectance spectra (UV-Vis DRS). Results revealed that the as-obtained Bi2WO6 hollow spheres were pure orthorhombic phase, the BET surface area is 40 m2/g. On the basis of experiment observations and the resulting products a possible formation mechanism is proposed. The hollow Bi2WO6 microspheres exhibited superior photocatalytic activity in the photodegradation of rhodamine B (RhB) under visible light irradiation (λ>400nm). © (2014) Trans Tech Publications, Switzerland. Source

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