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Murase, Milling of wood and wood-based materials with a computerized numerically controlled router IV: development of automatic measurement system for cutting edge profile of throw-away type straight bit, Journal of wood science, 51(3) (2005) 278-281
Retyunskiy, Mechanical treatment of raw waste lumber an effective way to preserve the ecology and resources, IOP Conference Series: Materials Science and Engineering, 142(1) (2016) 012-091
Chernukhin, Modeling the digging process of tree root system by the mechanism with hydropulse drive, IOP Conference Series: Materials Science and Engineering, 142(1) (2016) 012-090
Kapustin, Equipment for the production of wood-polymeric thermal insulation materials, IOP Conference Series: Materials Science and Engineering, 142(1) (2016) 012097
Saprykina, The development of equipment for the disposal of solid organic waste and optimization of its operation, IOP Conference Series: Materials Science and Engineering, 142(1) (2016) 012-095

Introduction Advanced composite materials have many excellent properties ，like high specific strength and specific modulus, performance can be designed and easily overall forming.
The material is CYCOM 970 /T300 12K NT .We used Hashin failure criterion to describe damage.
Reference [1] H．Wang，et al: Journal of Composite Materials January (1995) vol. 29 (2) p.156-178 [2] H．Y .Choi, R.J.Downs and F．K Chang: ,Journal of Composites Material.
August (1991) vol.25 (8) p.992-1011 [3] D．C．Fleming: Journal of Composite Materials(200l) vol. 35(19): p.1777-1792 [4] C .Soutis ，P.
Curtis:Composites Science and Technology(1996) vol.56,p.677-684 [5] L.B .Ilcewicz, E .F.

Mesoporous materials are porous materials (pore size ranging from 2-50 nm), and M41S family mesoporous materials was first successfully synthesized by Mobil Oil in 1992, then mesoporous oxidation silicon SBA-15 with adjustable pore (2-30 nm) were synthesized by Zhao and co-workers in 1998 [5-7].
The material of SBA-15 which has many advantages for larger pore size and surface area, highly ordered two-dimensional hexagonal straight pore structure, good spread property, machinery and hydrothermal stability, controllability morphology and surface features organic functionalized, comparing with the other porous materials (such as microporous materials, macroporous materials).
Materials and methods Materials Recombinant human bFGF in Pichia yeast strain ( Life Science Research Center, Beihua University); NIH 3T3 cells (Life Science Research Center, Peking University); Triblock copolymer polyethylene glycol - polypropylene glycol - polyethylene glycol (P123 average molecular weight of 5800) (USA Aldrich); Tetraethyl orthosilicate (TEOS, AR) (Aldrich, USA); Peptone, yeast extract (British OXOID company); Yeast nitrogen, agarose (U.S.
At last, the mesoporous materials of adsorpting protein were freeze-dried.
Stucky, Science 279,548. (1998) [8] Yj.

Above investigation indicates the etching damage effects on the crystal quality of GaN materials.
As shown in Fig. 3, when the ANG was annealed in NH3 ambient at 950℃, the Hall mobility is increased to 559 cm2/Vs as a result of 3-min processing, which is close to that of as-grown GaN materials.
References [1] D.Basak, Q.Fareed, K.Nishino et al.: Journal of Vacuum Science & Technology B Vol. 18(2000), P. 2491-2494
Leiet al.: Journal of Electronic Material Vol. 36(2007), P. 697-670
Ni et al.: Journal of Vacuum Science & Technology B Vol. 24(2006), P. 1197-1200.

Another advantage of porous materials over compact metals is the smaller elastic modulus.
The predominate materials are soft and adipose tissue (Fig. 4 B).
Schmickal, Porous titanium implant materials and their potential in orthopedic surgery, Materialwissenschaft und Werkstofftechnik 38 (2007) 1015-1018 [2] G.
Chahal, Preliminary observations of bone ingrowth into porous materials, Journal of Biomedical Materials Research 10 (1976) 335-344 [4] K.
Liu, Measurement of the dynamic young’s modulus of porous titanium and ti6al4v, Journal of Materials Science 42 (2007) 7348-7353 [5] J.

The high plastic deformation, damage and fracture undergo in the forming 3D parts, along with different materials contact and friction, which occur during self rolling.
Rivero: Journal of Materials Processing Technology, Vol. 177 (2006), pp.404-408
Li, Z.Y.Cai and et al: Journal of Materials Processing Technology, Vol. 129 (2002), pp.77-280
Levers: Journal of Materials Processing Technology, Vol. 172 (2006), pp.59-162
Gong: Materials Science and Engineering A, Vol. 499 (2009), pp.34-237.

Acknowledgement This research was financially supported by the National Natural Science Foundation of China (50875138); the Shandong Provincial Natural Science Foundation of China (Z2008F11, ZR2009FZ007) and the Specialized Construct Fund for Taishan Scholars.
References [1] Zhao H.H, Feng B.F, Cai G.Q: Key Engineering Materials, Vols.259-260 (2004), pp.302-306
[3] Li Changhe, Hou Yali, Ding Yucheng, Cai Guangqi.: International Journal of Computational Materials Science and Surface Engineering, Vol. 4 (2011), pp. 55-68
[6] Li C H, Meng G Y and Cai G Q.: Journal of Qingdao Technological University, Vol.28 (2007), pp.6-13
[8] Jenq-Shyong Chen, Kwan-Wen Chen.: International Journal of Machine Tools & Manufacture, Vol.45 (2005), pp.1487-1493 [9] Li Changhe, Hou Yali, Xiu Shichao, et al: Key Engineering Materials, Vols. 375-376 (2008), pp.449-453

The highest of urban flood risk are Tianjin, Wuhan and Guangzhou[5].Fourth, water supply and drainage engineering is the main application fields of new materials such as pipeline and membrane material.
New materials, new equipment, automatic control technology and information technology have been widely applied to water supply and drainage engineering, greatly promoting water supply and drainage technology innovation and changes in talents cultivating mode.
References [1] Zhenhua Liu, Research on Rural Drinking Water Project Management, International Journal of Advancements in Computing Technology, Vol. 4, No. 15, pp. 387~394, 2012
Journal of East China Jiaotong University.Vol. 29 (2007) No.5, pp. 72-75
Journal of Beijing Normal University(Social Science Edition). (2004) No.3, pp. 138-143

Table 1 Different types of materials identification.
Generally, a crack propagating in the matrix has a tendency to deflect to regions with stiffer materials (particles).
Pukánszky: European Polymer Journal 41, 2005, pp. 645-662 [2] H.
Knésl: Mechanics of Composite Materials 45, 2009, pp. 281-286 [5] W.
Sih: Journal of Basic Engineering 85, 1963, pp. 519-527 [9] G.

It is considered that non-degradable materials are solely responsible for environmental pollution.
Nowadays, different non-degradable composite materials are widely used instead of metals.
Non-degradable materials are subjected to be replaced by degradable one in order to make pollution-free environment.
Thus, natural fiber composites are chosen up to make biodegradable materials [1-2].
Khan (2019), Natural fiber reinforced polymer composites: history, types, advantages, and applications, Materials Engineering Research, 1(2), 69-87