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Materials and Methods Materials Fresh chestnut samples were collected from huairou in Beijing.
Journal of Central South Forestry Universith, Vol.3(1998),p.11-12
Food Science and Technology, Vol.2(1994), p. 22-24
Journal of Zhejiang Forestry College,Vol. 7(4)(1990),p.312-315
Journal of Hebei University of Science and Technology,Vol. 24(4)(2003)p.72-74

The Effect of Heavy Metal Ion on Microorganism in Activated Sludge Liu Meijie1, a, Dong Guori1, b , Wang Jibin2,c 1School of Resources and Materials, Northeastern University at Qinhuangdao, Qinhuangdao, Hebei , China 2 Environmental Management College of China, Qinhuangdao, Hebei, China a2543722493@qq.com, bdgrcsu@163.com, c85500946@qq.com Keyword: Heavy metal, activated sludge, Microorganism, Combined action, Virulence Abstract.
[3] Yunian Liu, Huabin Yin, Li Zhao, Review and Prospect of Research on the Influences of HeavyMetal Ions on the Biological Treatment of Waste water, Journal of Anhui Agricultural Sciences, 2008, 36(18): 7893-7895
[5] Mengde Zhu, Guowei He, Linghui Li, The influence of heavy metals on activated sludge , Journal of Anhui Agricultural Sciences, 2010 (21): 11434-11435
Journal of safety and the environment, 2004, 4(6): 43-45
Single and combined effects of nickel (Ni (II)) and cobalt (Co (II)) ions on activated sludge and on other aerobic microorganisms: a review, Journal of hazardous materials, 2008, 159(2): 187-203

Materials and Methods Materials.
Chemical Engineering Journal, 99 (2004) 1–4
International Journal of Food Science and Technology, 36(2001) 303–312
Journal of Chemical Education, 75(1) (1998) 119–121
Journal of Chemical Education, 76 (1999) 1594–1598.

International Journal of Mechanical Sciences. 40(7) (1998), p. 631-650
Materials & Design. 30(2) (2009), p. 418-423
Journal of Materials Processing Technology. 153 (2004), p. 464-471
Schmid, Manufacturing Processes for Engineering Materials. 2008, New York: Persons Prentice Hall
Journal of Materials Processing Technology. 117 (2001), p. 262-268.

The availability of raw materials can be guaranteed throughout the year because it comes from renewable materials.
CaO catalysts can be synthesized by heating or calcining materials containing CaCO3.
The presence of FFA that is high enough in raw materials can inhibit the transesterification reaction process.
ARPN Journal of Engineering and Applied Sciences. 11(1): 634-638
ARPN Journal of Engineering and Applied Sciences. 12(17): 5104-5108

Mishing, in: Diffusion Processes in Advanced Technological Materials, edtied by D.
Clem: submitted to Journal of Materials Research (2003) [6] P.G.
The hybrid can be used as electrochemical materials.
While it is not reported that organic-inorganic perovskite hybrids were used as electrochemical materials.
Dimitrakopoulos, “Organic-inorganic hybrid materials as semiconducting channels in thin-film field-effect transistors”, Science, vol. 286. no. 5441, pp. 945 – 947, 1999.

Material and Methods Materials.
European polymer journal, 40, 2077-2087(2004) [6] R.Q.
Journal of membrane science, 249,148-155(2006) [10] P.K.
Nano-material for The Life Science, chapter 5(2010) [15] P.K Chu, J.K.
Material Science and Engineering, 36, 143- 206(2002) [16] M.

Experiments Materials.
It plays a role in diluting cement after replacing cement equivalently, in order to reduce the water demand of cementitious materials.
However, if the specific surface area is too large, after limestone powder replaces cement, the particle volume of cementitious materials may increase, which increases the water demand of cementitious materials.The limestone powder used in this experiment has larger specific surface area and smaller particles.
Bernier: Materials and Structures Vol. 29 (1996), p. 233 [2] Olivier Bonneau, Mohamed Lachemi and Eric Dallaire: ACI Materials Journal Vol. 94 (1997), p. 286 [3] Pierre Y.
Blais and Marco Couture: PCI Journal (1999), p. 60 [4] Z.

Due to this morphological characteristic, in general, nanocrystalline materials are far away from thermodynamic equilibrium and as a result reveal quite different properties in comparison with conventional coarse-grained materials [2, 3].
In ferromagnetic materials, magnetic properties can be significantly modified by reducing grain size to nanometer scale [9].
In these nanocrystalline materials, therefore, grain growth can occur at relatively lower temperatures than in counterpart microcrystalline materials [12].
Acknowledgment This research was supported by a grant from the Center for Advanced Materials Processing (CAMP) of the 21st Century Frontier R&D Program funded by the Ministry of Science and Technology, Korea.
Gleiter: Progress in Materials Science Vol. 33 (1989), p. 223

Experimental Materials.
The virgin adsorbent materials used in this study were 40-60 mesh fresh coal activated carbons.
Chinese Journal of Catalysis,vol. 21, pp.423-427, 2000
Journal of China Coal Society, vol. 29, pp.354-358, 2004
Journal of Journal of Chemical Physics. vol.17,pp. 520–535, 1949.