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With the method of mechanical pressure loose, no fixed shape, low calorie value, sawdust, straw, rice husk and other biomass materials are briquetted a certain shape, higher density, high calorific value solid fuel, the process called biomass briquetting technology[2].
(1) Take a small section materials whose length is dx from the mould, and due to the high temperature and high pressure in the mould during the process of briquetting, lignin in the material has been softened, after plastication the material flow fully, and therefore the length of the dx mould is regarded as a pressure vessel.
The material is pressed by the axial impact extrusion F, the positive pressure that the die hole inner wall to material is N, and the friction that the die hole inner wall to material is Ff, fk is the friction coefficient that the die hole inner wall to material, due to the material force balance, the material also produce an opposite reaction to the die hole.
DL12BB08) and Heilongjiang natural science fund(No.C201030) References [1] F.Zhao, Y.
Agricultural engineering journal, 9(1994)140-145

Thus development of effective as well as advanced uses of wood-based materials have attracted rising attention to achieve sustainable development of a society has been built by underground resources.
Advanced wood based materials technology group in AIST, found an interesting deformation behavior which leads to development of a novel shape-forming of solid woods [1-5].
Materials and Methods Wood.
References [1] Tsunehisa Miki, Osamu Yamashita, Hiroyuki Sugimoto, Kozo Kanayama: Proceedings of the 8th International Conference of Eco-Materials, 1 (2007), p.177
[16] Md Iftekhar Shams, Hiroyuki Yano and Keijirou Endou: Journal of Wood Science, 50 (2004), p. 337.

This is because when the objects to determine the future of the material, its shape and its tone is closely related to the level of experienced people is not difficult to find some link between them.
Genetic algorithm applied in pattern recognition and neural network and image processing and machine learning and industrial optimization control and adaptive control and biological sciences and social sciences etc.
Acknowledgement Fund item: Hebei United University science study imbrues item(z201019).
Science publishing company.2003
Journal of Xi’an University of Technology (2001) Vol.17No.2

Research on construction technology of self-monitoring asphalt concrete Shaoxu Huang1, a, Changjun Sun1,2,b , Ning Tang1,c, Pan Pan1,d and Shaopeng Wu1,e 1State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan 430070, PR China 2Caofeidian Development Investment Group Co., LTD, Tangshan, 063210, PR China ahsx@whut.edu.cn, bsunchj001@126.com, ctangning@whut.edu.cn, dpanpan8597@whut.edu.cn, ewusp@whut.edu.cn Keywords: self-monitoring; asphalt concrete; construction technology Abstract.
With some conductive materials such as graphite added, the asphalt concrete has an excellent conductive properties and a good electrical behavior.
The material of electrode meshes is stainless steel, and the size of mesh is 1cm×1cm.
[2] Xiaoming Liu, Shaopeng Wu: Construction and Building Materials.
[3] LIU Xiaoming, WU Shaopeng, LI Ning, GAO Bo: Journal of Wuhan University of Technology-Mater, Materials Science Edition.

If use low calcium fluidized bed boiler fly ash to produce fried bricks, not only the carbon contains in low calcium fluidized bed boiler fly ash can be used , but also land resources can be saved, It achieves that the effective utilization of industrial waste, new wall materials of environmentally friendly and energy saving can be produced.
Raw materials and test 2.1 Raw materials and experimental design The chemical composition of fly ash and clay as shown in Table1-1 and Table 1-2.
Experimental raw material use after crushing, drying at 105 °Cand screening.
Under the same forming pressure conditions, the dense degree of blank decline as fly ash increasing, The point of contact between the materials inside blank reduces, Thus it is difficult to sinter when the fly ash is added, the water absorption increases, physical properties decline. 4.
Fuel. 1995 [4]  LUO Yuping1,2,WANG Lijiu1,SU Liqing3,Ma Liguo2,Wu Guiqin2 Comparison Research on the Performance of Fly Ash and Comprehensive Utilization Discussion [J],  Journal of Shenyang Jinzhou University(Natural Science), 2007.3

However, the dependence of hardness on grain size does not show a single trend that applies to every ceramic material [6].
Materials and Methods Stoichiometric synthetic HA powders with 1.66 Ca/P molar ratio was uniaxially compacted into an 8.4 mm diameter cylindrical die at 180 and 250 MPa and sintered in air during 6 hours at 1000 oC with a heating rate of 3 oC/min.
These values are very high considering ceramic materials processing.
Vickers hardness (VH) tests are in course, in order to analyze larger areas, being more representative of the whole material property.
Journal of Materials Science: Materials in Medicine, vol. 6 (1995), p. 8-3

Introduction In order to reduce the environmental pollution caused by polymer materials wastes, biodegradable polymers, such as starch, chitosan, poly L-lactic acid and poly amino acid, have been paid more and more attention recently [1]. γ-PGA is a hydrophilic, completely biodegradable, and naturally available biopolymer produced by the Bacillaceae family. γ-PGA and its derivatives have been applied in a broad range of fields such as food, superabsorbent polymer, cosmetics, medicine, plastics, and water treatment etc [2-3].
Materials and methods Materials and reagents.
Results and discussion Characterizations of materials.
Kalra: Science Vol. 297 (2002), p. 803 [2] M.H.
Wang: Journal of Composite Materials Vol. 43 (2009), p. 2805 [8] J.M.

References [1] Ji Jun Hui, Shi Weiming, Antibacterial materials, Beijing: Chemical Industry Press, 2003
Forestry Science, 2011, 47 (9) :108-113
Materials and Design, 2007,28(7):2063-2070
Journal of Photochemistry and Photobiology B: Biology, 2011,103(3):207-214 [8] Long Ling, Wan Xianglong, Wang Jinlin, Veneer plywood antibacterial research, Forestry Science, 2006, 42 (12):114-119
[10] Dong Xiaoxu, Antibacterial antimicrobial polymer materials research testing method, J.

Mesoscopic crack fracture criterion of high-speed railway concrete lining According to the number of the fatigue loads cycling times acting on the concrete materials, the fatigue is divided into 2 types: high-cycle fatigue and low cycle fatigue.
The high-cycle fatigue is that the stress level of cyclic loads is low and the stress cycling times reach before the fatigue fracture of materials or structure, the runway of airfield, the highway, the railway bridges and the highway road surface are among such fatigue mode.
The report of RILEM (The International Union of Laboratories and Experts in Construction Materials, Systems and Structures) thought that the fatigue failure of concrete materials is ascribed to two mechanisms: the adhesion degradation between mortar matrix and coarse aggregate, and the evolution of cracks in mortar matrix, these two failure mechanisms can occur alone or in combination [2].
The material properties were shown in table 2.
References [1] Zhao Yongli, Sun Wei: Journal of Chongqing Jiaotong Institute.

Introduction Honeycomb paperboard and EPE are two types of cushion packaging materials commonly used in the packaging industry, but their cushion mechanism and properties are different.
COMSOL Multiphysics had its own library materials, but Honeycomb Paperboard and EPE used in this research were not included, therefore, the properties of materials must be manually defined.
At the beginning of compression, the stress was small, two types of materials were at the linear elastic deformation stage, and the stiffness of honeycomb paperboard was much greater than that of EPE.
Journal of Xi'an JiaoTong University, 2003,37(5): 539-541
Packaging Technology and Science, 2008,21(6):309-316