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Analysis on Regional Variation of Energy Efficiency in China Based on Convergence Test - A case study of electric power efficiency Xu Zhou1,a, Bin Zhang1,b, Jiying Chen2,c, Zhaohua Wang1,d and Hualin Zeng1,e 1School of Management and Economics, Beijing Institute of Technology, Beijing 100081, China 2China Science and Technology Exchange Center, Beijing 100045, China axuzhou311@sina.com, bzhangbin8706@163.com, cchenjy@cstec.org.cn, dwangzhaohua@bit.edu.cn, ezeng_hualin@126.com Key words: Energy Efficiency; Regional Variation; Convergence Test Abstract.
Before the end of 2008, China has become the consumed superpower of coal, iron and steel, building materials, the largest importer of raw materials, and the world's second largest oil consuming country.
NCET-10-0048), Fok Ying Tung Education Foundation (No. 121079), National Natural Science Foundation of China (No. 71173017), Doctoral Fund of Ministry of Education of China (Reference No. 20101101110034), State Key Development Program of Basic Research of China (No. 2012CB95570003, 2012CB95570004), and Natural Science Foundation of Beijing (Reference No. 9112013).
The Journal of Quantitative & Technical Economics No. 9 (2007), p. 110-121

Experimental Materials. 721 spectrophotometer and JHR-2 COD thermostat heating apparatus were used in the experiments.
Xu: Research of Environmental Sciences Vol. 18(2005), p. 104-106
W.Gu: Shanghai Environmental Sciences Vol. 18(1999), p. 220-222
Bai et.al: Advanced Materials Research Vol. 641-642(2013), p. 281-284 [4] K.
Beltran et.al: Chemical Engineering Journal Vol. 73(1999), p. 143-160

Acknowledgements This work was financially supported in part by the National Natural Science Foundation of China (Grant no. 61340015, 61403127and 51077125), in part by the Key Project of Science and Technology of the Education Department Henan Province (Grant no. 14A470001, 12B470003 and 14A470004), in part by the Key Laboratory of Control Engineering of Henan Province (no.KG2014-04), and in part by the Research Fund for the Doctoral Program of Henan Polytechnic University (no.
Applied Mechanics and Materials, Vol. 380-384(2013), p. 3003-3007
Journal of Hohai University(Natural Sciences), Vol. 40, No. 5(2012), p. 590-596
Applied Mechanics and Materials, Vol. 488(2014), p. 896-900

Vibration characteristic analysis of the barrel Shuai Chen1,a,Cungui Yu2,b 1 Nanjing University of Science & Technology, Nanjing 210094, China 2 Nanjing University of Science & Technology, Nanjing 210094, China aemail: 1032291738@qq.com, bemail: yu_cungui@sina.com Keywords: Finite Element Analysis; Vibration; Modal; Analysis; Barrel; ANSYS Abstract.
The material of the barrel is steel, the parameters of the material are shown in Diagram 1.
Parameters of the Barrel Material Density（kg/m3） Elasticity Modulus/Pa NUXY Steel 7850 0.3 Considering the feature of the structure and material of the barrel, the solid 187 element (Tet 10node) was selected to mesh the mode of the barrel with the method of free mesh while setting the edge of the element as 4.5mm.The meshed mode of the barrel is shown in Figure 2 [4].
Nanjing University of Science Thesis, 2007
North China Institute Journal .2003 (3) :199-202.

According to the minimum energy principle, the atoms will spontaneously tend to move to the inside of material rather than surface.
Monte Carlo method was also used to simulate nanometric cutting of single crystal materials at conventional cutting speeds [2].
As shown in fig.1 (a), the workpiece material is ideal single crystal copper, and the size of workpiece is 40nmx10nmx5nm.
Acknowledgments We would like to thank the National Science Fund for Distinguished Young Scholars of China (50925521), the Natural Science Foundation of China (51075092), General and Special of China Postdoctoral Science Foundation (20100471020, 2012T50326), Harbin Innovative Talents Fund (2011RFQXG017), and the Fundamental Research Funds for the Central Universities (HIT.NSRIF.2012036) for their financial supports.
Bai, Mechanical Properties of Machined Nanostructures, Chinese Journal of Chemical Physics, 2007, 20(6) : 649-654

Effect of Ti Sputtering Current on Structure of TiCrN Thin Films Prepared by Reactive DC Magnetron Co-Sputtering Nirun Witit-anun1,2,a and Amphol Teekhaboot1,b 1Department of Physics, Faculty of Science, Burapha University, Chonburi 20131, Thailand 2 ThEP Center, PERDO, OHEC, Ministry of Education, Bangkok 10400, Thailand anirun@buu.ac.th, bt.ammpol@hotmail.com Keywords: Reactive DC magnetron co-sputtering, Sputtering current, TiCrN, Thin films Abstract.
Materials Sciences and Applications. 4(2013) 689-694
Limsuwan, Effects of vanadium content on structure and chemical state of TiVN films and prepared by reactive DC magnetron co-sputtering, Materials Sciences and Application. 4(2013) 556-563
Journal of Power Sources. 189(2009) 966-971

China 2 School of Material Science and Technology, China University of Geosciences, Beijing, 100083, P.R.
The material properties of the oceanic polymetallic nodules and cobalt-rich curst leaching residues have been systematically studied in the current work.
Experiment Material.
Chinese Science Bulletin, Vol. 47 (2002), p. 867-872
Journal of Mineralogy and Petrology,Vol.27 (2007), p. 116-120.

Preparation and Standardization of Method for Valuable Metals Analysis in Seawaters Hyeon Yoon1,a, Mi-Young Shin1,b , Cheol-Ho Yoon1,c , Jae-Chun Lee2,d, Kang-Sup Jung 2,e 1 Korea Basic Science Institute, Seoul 136-701, Korea 2 Korea Institute of Geoscience & Mineral Resources, Taejon, 305-350, Korea a dunee@kbsi.re.kr, bpopo482@kbsi.re.kr, cchyoon@kbsi.re.kr, djclee@kigam.re.kr, e ksc@kigam.re.kr, Keywords: seawater, elements recovery, matrix problem, matrix matching standard addition method.
Materials Science Forum, 2004, Designing, Processing and Properties of Advanced Engineerin g Materials [2] Chandra K.
Analytical Sciences.
Journal of Oceanography.

Introduction Magnesium and its alloys owing to their attractive physical properties have been potential candidates for light-weight structural materials [1].
Experimental Procedure The commercial pure magnesium and pure aluminum are employed as the base material.
The result of stirring is not good, some amount of AlN clusters are exhibited within the material; additionally the size of Mg2Si particles is big about more than 50μm.
Zhong: Journal of University of Science and Technology Beijing, 23(1)(2001), p38
Yang: Master Degree, University of Science and Technology Beijing, (2000)

Synthesis and Thermal Properties of Etherified Konjac Glucomannan Wu Qiang a, Lin Xiaoyanb, Luo Xuegangc, Chen Yand School of Material Science and Engineering, Southwest university of Science and Technology, Mianyang, Sichuan, China a awutong@126.com, bxylinchwei2005@yahoo.com.cn, clxg@swust.edu.cn, dcopte@163.com Keywords: Konjac glucomannan; 1-Bromopropane; Thermal properties; Etherification Abstract.
Experimental Materials The KGM sample was donated by Mianyang Konjac Co.
The EKGM was thermoplastic material.
Nishinari: Developments in Food Science Vol. 41(2000), p. 309
Shibata: European polymer Journal Vol. 38(2002), p. 1365.