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Although dark fermentation is large-scale biological production level, but there are still some shortcomings: substrate-hydrogen conversion rate is not high, treatment is not thorough enough, the degradation of large quantities of raw materials, volatile fatty acids (VFAs) and ethanol left in the fermentative liquid.
Hydrogen fermentation can be used as a pre-stage to improve subsequent methane production from wastewater sludge.Bio-conversion of biomass to generate hydrogen has been achieved using anaerobic fermentation of some well-defined materials, in wastewater.
Hydrogen Energy(2007) [2] Kim MS,Baek JS,Yun YS: submitted to International Journal of Hydrogen Energy(2006) [3] Jianzheng Li, Guochen Zheng, Junguo He, et al: submitted to Biotechnology Advances(2009) [4]Mark D,Redwood,Lynne E.
Macaskie: submitted to International Journal of Hydrogen Energy(2006) [5]Wang CH，Chang JS: submitted to Energy Fuels(2008) [6]Alfons J.M.Stams, Caroline M.Plugge: submitted to Nature Reviews Microbiology(2009) [7]Gang Luo, Li Xie, Qi Zhou, et al: submitted to Bioresource Technology(2011) [8]Dong-Hoon Kim, Mi-Sun Kim: submitted to Bioresource Technology(2011) [9] Sami Luste, Sari Luostarinen: submitted to Waste Management(2011) Alessandro Spagni: submitted to Bioresource Technology(2011) [10] Michael J.
McInerney, Lars Rohlin, Housna Mouttaki, et al: submitted to Proceedings of the National Academy of Sciences of the United States of America(2007)

Moses, “Importance of rotational losses in rotating machines and transformers,” Journal of Mat.
Enokizono, “Improvements of feedback control algorism in two-dimensional vector magnetic property measurements”, Materials Science Forum, vol. 670, pp. 327-335, Dec. 2010
Enokizono, “Dynamic vector magneto-hysteretic E&S model,” in Proc. 5th Japanese-Mediterranean Workshop on Applied Electromagnetic Engineering for Magnetic, Superconducting and nano Materials (JAPMED’05), Larnaca, Cyprus, Sep. 2007
Mauchi, “Magnetic characteristic analysis measurement of three-phase generator utilizing grain-oriented silicon steel sheets,” International Journal of Applied Electromagnetics and Mechanics, vol. 33, pp. 415-422, 2010

In order to analyze the magnetic flux of the PM, the characteristics of the magnetic material were determined, as listed in Table 1.
The NdFeB PM material of firm ND-35H was used.
Table 1 Weight of the fan blade and generator: 23 (kg) Outer radius of PM Disk : 60 (mm) Inner radius of PM Disk : 40 (mm) Height of PM Disk : 10 (mm) Type of PM : ND35H Residual magnetism of PM: 11.7~12.1 (KGs) Coercive force of PM: 10.8~11.5 (Koe) Intrinsic coercivity: ≧17.0 (KOe) Maximum magnetic energy of PM: 33~35 (MGOe) Acknowledgments This research was supported in part by the project of the National Science Council, Taiwan, under grant NSC 99-2622-E-033-015-CC3 and by the project of the specific research fields in the Chung Yuan Christian University, Taiwan, under grant CYCU-99-CR-ME.
Park, in Journal of Applied Physics, Edited P.
Trlep, in Journal of Magnetism and Magnetic Materials, Edited S.D.

., Wuhan, China 2School of Health science, Wuhan Inst. of P.E., Wuhan, China ashenkeyin001@163.com, bkouxianjuan@163.com Keywords: environmental protection; sports tourism; sustainable development Abstract: Sports tourism and the ecological environment is the symbiotic relationship, sports tourism has positive effects on the environment, but also have a negative impact.
The skiing consumers into, automobile exhaust, the abandoned materials have a negative impact on the environment.
The government, environmental organizations should performe systematic propaganda for the local residents and the social public through the specimen, pictures, video and other promotional materials to popularize knowledge of eco-tourism and sports knowledge, enhance sports general knowledge and conservation of resources awareness by informing the public about the local plant, animal, culture, sports, national traditional sports. 4.3 The establishment of necessary ecological compensation mechanism The protection, conservation and rational use of ecological resources is to realize the rational choice for the sustainable development of sports tourism, sports tourism resource development, and bound to positioning, content, to make up for the shortage of economic compensation of ecological.
Journal of Beijing Sport University, 2005; 5: 584-586
Journal of Tianjin Sport University, 2005, 5: 1-4

Acknowledgment This work was financially supported by the 12th Five Year Plan of national major projects of science and technology (2011ZX05024-005-004), the 12th college student scientific research project of Jiangsu University (Y12A155) for the financial support.
Journal of Hazardous Materials, 2009, Pages 1560–1564
Journal of Hazardous Materials, 2009, Pages 1560–1564

Influence of compound heavy metal pollution on three kinds of vegetables growth status and physiological and biochemical characteristics Zhang De-gang1,a Liu Yan-hong2,b Yang Ruo-peng3,c He Fang-fang4,d (1 College of Life Science and Technology, Honghe University, Mengzi, 661100, Yunnan, China) a zdg_biology2@126.com, b kidliu1968@126.com Cyrp_biology2@126.com, d feiona24@yahoo.com.cn Keywords: Pakchoi; Brassica chinensis; Celery; Compound heavy metal pollution; Physiological Abstract: Through pot experiment to research the influence of different concentrations of compound heavy metals pollution on Pakchoi, Brassica chinensis and Celery growth status and several physiological and biochemical indexes.
Materials and methods 2.1 Test materials Experimental Pakchoi variety is Bixiu(Brassica of rapa L.Chinensis Group), Celery (Apium graveolens), Brassica chinensis (Brassica chinensis L.).
Journal of Geochemical Exploration，2008，96(2-3):194-202
Effects of single heavy metal pollution on the growth and physiological and biochemical characteristics of Eulaliopsis binata[J], Chinese Journal of Eco-Agriculture, 2007, 15(2):99-103

The simulation using steel materials, Steel properties of the material used in this model are Elastic modulus of 210GPa, Poisson's ratio of 0.3, and density of 7850 kg/m3, element type is CPE4R.
For the steel material, the longitudinal wave with the velocity of 5900m/s.
Acknowledgement The work described in this paper was fully supported by a grant from National Natural Science Foundation of China (Nos.51265044, 11374134) and a grant from Postgraduate Innovation Foundation of Jiangxi Province (YC2013-S215).
Journal of Applied Mechanics September 1998, 65(3):635-641
Journal of the Acoustical Society of America, 2003, 113(3):1241-1248

Spectrophotometric Determination of Lanthanum in Raffinate with Tribromoarsenazo Xingxin Chen1,a , Kui Liu1,b,* , Lifang Kuang1,c and Hua Long1,d 1School of Chemistry and Pharmaceutical science, Guangxi Normal University, Guilin 541004, China a583100512@qq.com , bliukui@mailbox.gxnu.edu.cn, ckaler05@163.com,d747319474@qq.com * Corresponding Author Keywords: Tribromoarsenazo; Lanthanum; Acidity; Spectrophotometry; Wavelength Abstract.
Experimental Materials.
Zhang.Asian Journal of Chemistry Vol.20(2008),P.5060-5066
Rare Metal Materials and Engineering Vol.35 (2006 ), P.329-332
[10]X.Y.Guan.Journal of Shenyang Institute of Chemical Technolgy Vol.1(1987),P.141-144(in Chinese)

Failure and failure analysis of engineering materials and engineering structure[J].
Composites science and technology, 1998, 58(2): 299-309
Journal of Shenyang University of Technology, 2013, 35(3): 263-267
Weld metal solidification mechanics[J].Welding Journal, 1965, 44(4): 175-181
Hou Microstructure and wear resistance of plasma arc cladding Y2O3/Co balt-based alloy coating[J].Rare Metal Materials and Engineering,2008, 37 (2): 294-298.

According to the theory of mechanics of materials, when the maximum load value P is 30N, L=16mm,l=10.5mm, the stress and strain calculated value is below in the strain gauge location:, , In the experimental the brass is made as the material of the elastic beam, which modulus of elasticity is 117210.
In relative error analysis, analysis the relative error under different loading conditions on the basis of the calculated value of material mechanics theory.
International Journal of Precision Engineering and Manufacturing, Vol.12 (2011)
Journal of nanjing information engineering university (natural science edition), Vol.3 (2011)