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In the 21st century, the application of pollution-free and biodegradable packaging materials has become a new trend.
Materials and Methods Treated sludge, waste paper fibers and waste wood chips were used as mainly raw materials.
The mixture of raw materials.
Conclusion In general the specific conclusions are the followings: (1) Determined the main raw materials of biomass fibers packaging material and environmental protection additives: the main raw materials are sludge, waste paper fibers and waste wood chips.
Huang: Journal of Agro-Environment Science Vol. 34 (2015), p. 2386 [3] Charles R.

Not like typical MCM-41 mesoporous materials, it is found that results of analysis are a little different and morphology of mesoporous materials synthesized in acid media does not rely on silicon sources, regardless of organic or inorganic silicon source.
Introduction Mesoporous materials are generall synthesized in alkaline hydrothemal method.
Conclusion In acid media, mesoporous materials can be made from inorganic silicon source like organic silicon source on mild condition.
D.Stucky: Science 279 (1998), p.48 [4] D.Zhao, Q.Huo, J.Feng, B.
Wang, J.L.Shi, et. al.: Journal of Inorganic Material , 14 (1999) , p. 558 [8] H.M.Wei, N.Y.He, et. al.: Natural Science Journal of Xiangtan University 22 (2000) , p. 49 [9] P.

Evaluation of the Surface Roughness of Wood-based Environmental Materials and its Impact on Human Psychology and Physiology Xiurong Li1, a , Yixing Liu1,b*, Haipeng Yu1,c* and Jian Li1,d 1 Key laboratory of Bio-based Material Science and Technology of Ministry of Education, Northeast Forestry University, Harbin 150040, China email arongrong1994@163.com; b* yxl200488@sina.com; c* yuhaipeng20000@yahoo.com.cn;d nefulijian@163.com Keywords: Environmental Materials; Surface Roughness; Psycho-physiological Analysis; Tactile Properties.
The human psychological variations of nine wooden materials were presented in Fig. 5.
The MHR of P. jezoensis is 75.2, which is the smallest compared to that of the other materials.
References [1] J Li: Wood Science (High Education Press, Beijing 2002)
Zhao: Wooden environment science (Science Press, Beijing 2007)

Silberschmidt: Computational Materials Science Vol. 50 (4) (2010), p. 1286 [2] S.
Silberschmidt: Computational Materials Science Vol. 46 (3) (2009), p. 700 [11] E.
Silberschmidt: Computational Materials Science (2011), http://dx.doi.org/10.1016/j.commatsci.2011.01.033 [12] B.
Silberschmidt: Computational Materials Science (2011), http://dx.doi.org/10.1016/j.commatsci.2010.12.005 [13] X.
Silberschmidt: Computational Materials Science Vol. 50 (4) (2010), p. 1292 [14] E.

However, this method is enabled by many affordable materials and machines, making it optimal for cheap and fast prototyping [1, 7].
One of the most important differences between SLS and FDM or SLA is the ability of SLS to use metallic and non-metallic materials as the base material.
In addition to these, the properties of the materials used also play a prominent role.
Liu, “Rapid prototyping of continuous carbon fiber reinforced polylactic acid composites by 3D printing,” Journal of Materials Processing Technology, vol. 238, pp. 218-225, 2016/12/01/, 2016
Patterson, “Perspective on 3D printing of separation membranes and comparison to related unconventional fabrication techniques,” Journal of Membrane Science, vol. 523, pp. 596-613, 2017

Journal of Catalysis. 155 (1995) 117-130
Journal of Molecular Catalysis A: Chemical. 208 (2004) 257-265
Environmental Science. 01 (2004) 7-13
Journal of Catalysis. 221 (2004) 421-431
Chinese Journal of Catalysis. 10 (2006) 843-848

The damage process in composite materials under low and high velocity impact loading and the impact energy-displacement properties of the composite materials were investigated.
Introduction Performances of composite materials have shown their superiority over other materials in many applications, such as automotive and aerospace industries [2].
Composites Science and technology 61 (2001) 65-73
On low-velocity impact testing of composite materials.
Journal of Composite Materials 1988; 22(1):30-52 [4] Cesim Atas, Onur Sayman An overall view on impact response of woven fabric composite plates.

Main reagents and raw materials.
After that, the adsorption amount of the two materials does not substantially change.
Journal of Hunan Institute of Engineering(Natural Science) Edition), 2018, 28 (03): 63-68
Journal of Hazardous Materials, 2008, 153(1):22-27
Acs Applied Materials & Interfaces, 2013, 5(12):5443-5454

In general, these materials exhibit certain amount of scatter in their properties due to different factors.
Recently, a class of composite materials viz., FGMs has drawn much attention in many engineering applications.
The mechanical response of systems depends on external stimuli and the materials used for their fabrication.
[6] Ramu I, Mohanty S.C, Modal analysis of functionally graded material plates using Finite element method, Procedia Materials Science. 6 (2014), 460-67
[12] Mohammad Azadi, Free and forced vibration analysis of FG beam considering temperature dependency of material properties, Journal of Mechanical Science and Technology. 25 (1) (2011) 69-80.

Abstract Advancement in Science and technology over the past decade has made the human society to venture into using hybrid materials for variety of applications.
Natural fiber composite materials are one among those new emerging engineering materials.
In general composite materials are increasing widely.
Fibermatrix adhesion and its relationship to compositemechanical properties, Journal of Material Science 1993;28:569–610
Influence of fiber orientation and thickness on tensile properties of laminated polymer composites, International Journal Pure Applied Science and Technology 2012;9(1):61–8