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Dynamic simulation and efficiency analysis of beam pumping systemXing Ming-ming(邢明明), Dong Shi-min(董世民), Tong Zhi-xiong(童志雄), Tian Ran-feng(田然凤), Chen Hui-ling(陈慧玲) (School of Mechanical Engineering... of plunger, hydraulic loss of pump and clearance leakage. The dynamic response and system efficiency of whole system were analyzed. The results show that there is a jumping phenomenon in the amplitude......
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J. Cent. South Univ. (2016) 23: 1817-1822 DOI: 10.1007/s11771-016-3235-5 Schedule optimization to improve trunk-local bus transfer efficiency in small conurbations: A case study of New York’s... literature, many have focused on the improvement of transfer efficiency. However, investigation on transit transfer efficiency is still lacking for medium sized cities or suburban areas that have......
Preparation of electrolytic copper powders with high current efficiency enhanced by super gravity field and its mechanism WANG Ming-yong(王明涌)1, 2, WANG Zhi(王 志)1, GUO Zhan-cheng(郭占成)1, 3 1... condition. Cell voltage under super gravity field was also much lower. The size of copper powders decreased with the increase of gravity coefficient (G). The increase of current efficiency can......
, visible, and nearinfrared wavelengths, and it can be widespread in quantum information technologies. However, how to increase the absorption which can dramatically increase the quantum efficiency......
J. Cent. South Univ. (2017) 24: 609-624 DOI: 10.1007/s11771-017-3462-4 Distribution characteristics and impact on pump’s efficiency of hydro-mechanical losses of axial piston pump over wide... of pump. The aim is to clarify that to what extent the hydro-mechanical losses affect efficiency, and to further gain an insight into the variation and distribution characteristics of hydro-mechanical......
Grain refining efficiency and mechanism of pure nickelTian-Dong Xia,Xi Chen,Qing-Lin Li,Wen-Jun ZhaoSchool of Materials Science and Engineering, Lanzhou University of Technology摘 要:According to the selection principle of grain refiners and calculation of planar disregistries, CeO2 and TiB2 particles were selected as the grain refiners of pure nickel......
High efficiency visible-light-driven Fe2O3-xSx/S-doped g-C3N4 heterojunction photocatalysts: Direct Z-scheme mechanismMilad Jourshabani1,Zahra Shariatinia1,Alireza Badiei2,31. Department of Chemistry, Amirkabir University of Technology (Tehran Polytechnic)2. School of Chemistry, College of Science, University of Tehran3. Nanobiomedicine Center of Excellence, Nanoscience and Nanotechnology......
. Therefore, it is easy to control electrodeposition conditions by using methanesulfonate electrolyte. Key words: electrodepositon; lead-free electrolyte; Bi-Cu film; current efficiency  ... of electrolytic solution on the morphology, crystal orientation and current efficiency of the bismuth-copper deposits. 2 Experimental Bi2(SO4)3, CuSO4 and H2SO4 were dissolved in distilled water......