Search results

Introduction Coal mine gas called coalbed methane (CBM), is the occurrence of coal seam in the hydrocarbon gas, ingredient is methane, are widely used in power generation, industrial, civil fuel and chemical raw materials, and so on[1].
Table 2 Grade of examine precision Prediction accuracy Grade level 1 well 0.01 level 2 qualified 0.05 level 3 barely 0.10 level 4 disqualification 0.20 Mine gas drainage quantity prediction model analysis The author once in 2008 mainly to write research report The study report of Guizhou Panjiang Coalbed Methane Development and Utilization Company Ltd coal gas power generation project feasibility, collected in Guizhou province within the scope of a large number of outstanding mine gas drainage material, and using this method to mine the essay typical mine for five years gas drainage quantity forecast, it has obtained by high precision.
Acknowledgements This work was financially supported by the national key technology support program " Twelfth Five-Year Plan "(2012BAK04B07), the Guizhou province Science and Technology Fund Project ([2011]2043), the Guizhou Province Science and Technology Hall Significant Special Plan Project ([2008]6012).
Application of dynamic unbiased grey Markov model in prediction of death rate per million-ton Coal[J].China Safety Science Journal,2012,3:123-125 [6] Gaoyang, Tan Yangbo.
Predict gas emissing quantity of mining coal face with in proved grey Markov model[J].Journal of China Coal Society,2007,4:393-395

Material and Experiments Design and Fabrication of microfluidic chip The schematic structure of the microfluidic chip is shown in Fig. 1a.
Acknowledgement This work was supported by the National Science Foundation of China (No. 50805005, 51275025) and Program for New Century Excellent Talents in University of Ministry of Education of China ( No.
Journal of Materials Science. 47 (2012) 6315-6325
Proceedings of the National Academy of Sciences of the United States of America. 109 (2012) 4916-4920
Journal of Micromechanics and Microengineering. 22 (2012).

In order to gain optimal cutting speed of cracking notch, the test phenomena and result are deeply analyzed. 4.1.1 Experimental condition The experiment is carried out on specialized WEDM machining tool, wire electrode: φ0.18mm, work material: C70S6BY of non-hardening steel, width of work-piece: 6mm, work fluid: 12% concentration of emulsion, wire electrode speed: 9m/s. 4.1.2 Circuit parameters' effect to cutting speed The test mainly studies circuit parameters' effect to cutting speed, and compares the designed PLC control system with normal WEDM machining tool.
Acknowledgements This research has been funded by National Natural Science Foundation of China (No. 50805026), China Postdoctoral Science Foundation Funded Project (No. 20090450851), Guangdong Natural Science Foundation (No. 8451009001001416).
Journal of Materials Processing Technology, 2004,V151: 192-195 [2] S.Fukuda, H.Eto.
Journal of Harbin Institute of Technology, 2000, 32(3): 129-132 [4] Park H, Ko Y S, Jung S C, et al.

Various by-products extracted from tobacco can also be used for a variety of industrial raw materials.
Chinese Agricultural Science Bulletin,2010,26(13):380-384
Protection Forest Science and Technology,2004.3,59(2):38-39
Journal of natural disasters, 2006.12.15(6):131-136
Journal of catastrophology, 1999, 3,(1):6-10.

This model has a relatively high degree of systematization which can meet with the distribution needs of internal raw materials, semi-finished and finished products of the enterprise, also it meet the business needs to expand foreign markets.
Journal of Environmental Psychology, vol.36, p.65-69, 2013 [2] Milan Andrejić, Nebojša Bojović, Milorad Kilibarda.
International Journal of Production Economics, vol. 137,no.1,p.68-83, 2012 [5] Maike Tietjens, Philipp Alexander Freund, el at.
Procedia - Social and Behavioral Sciences, vol. 96, no.6,p. 1008-1013, 2013 [7] Santoso Wibowo, Hepu Deng.
Procedia - Social and Behavioral Sciences, vol. 58, no.12,p. 159-168, 2012

Moreover, it is able to effectively reduce the consumption of building materials and further to achieve the goal of cost reduction [10].
[2] Lee, K., Chen, Y., 2010, “Maintenance Algorithm and Management System of Sidewalk Facility”, Journal of Marine Science and Technolog Vol.18, No.5, pp.723-730
[5] Hirsch, J.M., 2008, “Development of human motion method of designing it analysis system for barrier-free road sidewalk space”, Journal of Experimental Psychology: Human Perception and Performance, Vol 31, No.2, pp. 415-426
[7] Salman, Azhar., Michael, H., Blake, S., 2010, “Building Information Modeling (BIM): Benefits, Risks and Challenges”, McWhorter School of Building Science Auburn University Auburn, Alabama
[8] Shutao, L., Jörg, I., Georg, B., 2008, “Proposed Methodology for Generation of Building Information Model with Laserscanning”, Tsinghua Science & Technology, Vol. 13, Supplement 1, pp.138-144

Heavy rail meshing Thermal physical parameters of heavy rail materials.
The Journal of Strain Analysis for Engineering Design. 2004, Vol.39, No. 1: p.15-24
Thermodynamics of metallic material.
Beijing: Science press, 1981.7
Journal of iron and steel research.2007, Vol.19, No.11: 29-32.

The physical and chemical behavior and bioavailability of Cd are mainly affected by the soil organic matter (OM), pH, red ox conditions, soil parent materials, cation exchange capacity (CEC) and clay mineral composition [3].
Material and Methods Soil and Experimental Reagents.
Journal Of Jinlin University (Earth Science Edition),2007,37(4).In Chinese [3] Yanzheng Gao, Jin zheng He, Wanting Ling, Hongqing Hu, Fan Liu.
China Environment Science,2002,22(3).
Lead, Copper, And Cadmium Adsorption-Desorption Behaviors Of Agricultural Soils Of Changjiang And Zhujiang Deltas[J].Journal Of Ecology And Rural Environment, 2006,22(2).

Materials and Methods Cane samples and chemical composition analysis.
Jiang: World Bamboo and Rattan (LiaoNing Science and Technology Press, ShenYang 2002)
Li: Wood Science (Higher Education Press, Beijing 2002)
Mu: Journal of Beijing Forestry University, Vol. 24 (2002), p.107 [5] D.L Chang, Z.Q.
Huang: Journal of Beijing Forestry University, Vol. 28(2006), p. 145 [6] X.F.

Influences of Working Parameters on Performance of Elastic-Friction Seed-Metering Device Jianguo Sun1, a,Shuguang Liu1,b ( corresponding author) 1Institute of science and technology, Yantai Research Institute of China Agricultural University, Yantai, CHINA 264670 asunjianguo7@qq.com, bshuguang800511@126.com Keywords: Agricultural machinery, Seed-metering device, Performance test Abstract.
Fig.1 Structural diagram of seed-metering device Fig.2 Performance test bench 1 seed box；2 vibrators；3 pressure bar；4 star wheel；5 sprocket；6 chain；7 land wheel；8 sprocket wheel；9 elastomer；10 metal plate；11 cavity；12 guide pipe；13 sowing exit；14 pressure spring； 15 pressure wheel；16 pressure spring 1 test control desk；2 pulley；3 frame；4 transmission belt；5 speed -reduction motor；6 belt；7 wheel；8 glue plate；9 speed reduction motor； 10 chain；11 seed-metering device Test Material, Test Equipments and Test Method Test Material.
Rape seed is used as test material.
References [1] Liu Hongxin, Wang Fulin: Journal of Agricultural Mechanization Research, Vol.5 (2007), p. 77-79 [2] Sun Qilei, Zhang Xiaohui, Mu Zonggui: Journal of Agricultural Mechanization Research, Vol.5 (2002), p. 40-41 [3] Chinese Academy of Agricultural Mechanization Sciences: Agricultural Mechanization Design Manual (Next volume)(China Agricultural Science and Technology Press, Beijing 2007).