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Since 1990, natural fibers composite materials have evolved as replacements to glass/reinforced composite materials in many applications.
The constituent material properties that are used for fabricating the two types of materials are shown in Table 1.
Ehrenstein and Helmut Schaper (Eds.), Wolfe Science Books, International Journal of Fatigue 3 (1981) 218
[14] Kunel S., A short review on Basalt fiber, International Journal of Textile Science. 1 (2012) 19-28
Hull, Microscopy of failure mechanisms in filament-wound pipe, Journal of Materials Science. 14 (1979) 165-174

The Effect of Fillers on Chrome-Based Wave-transparent Material Matrix Zhenghai Liu1,a, Jichuan Huo1,b, Haibin Wang2,c, Hong Lei1,d,Yonglin Lei1,e 1School of Material Science and Engineering, Southwest University of Science and Technology, Mianyang, China 2School of Materials Science and Technology,Mianyang Normal University, Mianyang , Sichuan 621000 alzh851012@163.com, bhuojichuan@swust.edu.cn,cwhb@mun.cn, dhonglei117@163.com, eleiyonglin@swust.edu.cn Keywords: Phosphate of chrome-alumina; Composites; Dielectric property; Mechanical properties.
Experiments Materials and reagents.
Dielectric property of materials is an important basis for wave-transparent materials.
For learning more about the PCA-I, PCA-II and PCA-III materials, we studied the mechanical properties of these three kinds of materials, the results as shown at Fig. 4, 5.
[4] Marshall D W: Sampe Journal, 2001, 37(5): 53-58 [5] Ya.

As novel carbon materials the carbon nanotubes are of great interest within the field of material science research.
The UL-94 test is commonly used to determine the ignition resistance of materials.
Popov: Materials Science and Engineering43（2004）61
[15] Xiaolin XIE, Yiuwing MAI and Xingping ZHOU: Materials Science and Engineering, 2005, 49(4), 89
Chung: Journal of Colloid and Interface Science, 2005, 286(1), 216

Material and Methods Research Area.
From the spatial distributions of 6 HMs, it could be discovered the soil parent materials and anthropogenic factors played important roles in natural and vegetable soil heavy metal concentrations of Guilin and the effects of these two factors varied with the HMs.
Huang: submitted to Journal of Environmental Earth Sciences (2012) [3] M.E.
Binns: submitted to Journal of Science of the Total Environment (2004) [4] J.
Tang: submitted to Journal of Journal of Agro-Environment Science (2012) [21] Z.Z.

Water and soil resources are important material basis, upon which human subsistence and development are relying.
/ [12] Zhengqin Xiong, Guangxi Xing and Guangyu Shen: submitted to Journal of Environmental Science (2002) (in Chinese) [13] Guangxi Xing, Yacheng Cao and Shulian Shi: submitted to Journal of Science in China (2001) (in Chinese) [14] Naiming Zhang, Yang Yu and Bo Hong: submitted to Journal of Environmental Science (2003) (in Chinese) [15] Yao Lu, Xu Cheng: submitted to Journal of Shanghai Environmental Sciences (2000) (in Chinese) [16] Jian Cui, Ma Youhua and Zhao Yanping: submitted to Journal of Chinese Agricultural Science Bulletin (2006) (in Chinese) [17] Hui Shi: submitted to Journal of Water and Soil Conservation Bulletin (1997) (in Chinese) [18] Mei Zhu: submitted to Journal of Chinese Academy of Agricultural Sciences (2011) (in Chinese) [19] Weida Shi, Yuanlai Cui: submitted to Journal of China Rural Water and Hydropower (2009) (in Chinese) [20] Zhang Shuilong, Zhuang Jiping: submitted to Journal of Chinese Journal of Ecology (1998) (in Chinese) [21] Libo Zheng, Xin’an
Gui and Shaoping Wang: submitted to Journal of Environmental Pollution and Control (2008) (in Chinese) [22] LI X Y, WELLER D E and JORDAN T E: submitted to Journal of Journal of Hydrology (2010) [23] Siyu Zeng, Pengfei Du and Jining Chen: submitted to Journal of Advances in Water Science (2006) (in Chinese) [24] SHEN Z Y, LIAO Q and HONG Q: submitted to Journal of Separation and Purification Technology (2011) [25] Jinhua Sun, Qiande Zhu and Zhijun Yan: submitted to Journal of Advances in Water Science (2009) (in Chinese) [26] SHEN Z Y, HONG Q H and YU H: submitted to Journal of Science of the Total Environment (2008) [27] HUANG J L, HONG H S: submitted to Journal of Estuarine, Coastal and Shelf Science (2010) [28] McCuen R H.
Theory of Conservancy of Water and Soil, water conservancy and electric power press, Beijing. (1992) [34] Ascough II J C, Baffaut C and Nearing M A: submitted to Journal of ASAE (1997) [35] Xuetao Hu, Jining Chen: submitted to Journal of Environmental Science (2002) (in Chinese) [36] Leon P, Georges Z: submitted to Journal of Economic Dynamics control (2003) [37] Ruzhong Li, Jiaquan Wang and Jiazhong Qian: submitted to Journal of Harbin industrial university journal (2005) (in Chinese) [38] Hongfei Guo, Jinren Ni and Yudong Wang: submitted to Journal of Application Basis and Engineering Science Journal (2003) (in Chinese) [39] Kangping Hu, Zhencheng Xu: submitted to Journal of China Environmental Science (1991) (in Chinese) [40] Bingwen Li, Guozhen Jia: submitted to Journal of Northeast Water Conservancy and Hydropower (2000) (in Chinese) [41] Zhanpo Mao, Huai’en Li: submitted to Journal of Northwest Water Resources and Water Engineering (1999) (in Chinese) [42] Yukai Huang:
submitted to Journal of Shanghai Environmental Sciences (1990) (in Chinese) [43] Yukai Huang: submitted to Journal of Environmental Pollution & Control (1991) (in Chinese)

Saveliev, Study insulating and cooling properties of the material on the basis of crushed foam glass and determination of its extinguishing characteristics with the attitude to alcohols, Materials Science Forum. 1006 (2020) 62–69.
Sharshanov, Simulation of the insulating properties of two-layer material, Functional Materials. 25/4 (2018) 774–779.
Materials Science Forum, 1006 (2020) 25–31.
Yavorska, Research into surface properties of disperse fillers based on plant raw materials, Eastern-European Journal of Enterprise Technologies. 5 (12 (89)) (2017) 20–26.
Bezuglov, Mathematical Modeling of Fire-Proof Efficiency of Coatings Based on Silicate Composition, Materials Science Forum. 1006 (2020) 70–75.

Tardif and Maaseidvaag [8] proposed an adaptive kanban which was developed as an alternative to materials flow control in environments with unstable demand.
Acknowledgment This work is being supported by the National Natural Science Foundation of China under Grant No. 50705087 and the Zhejiang Provincial Science and Technology Planning Project of China under Grant No. 2009C11164.
Industrial engineering journal, 2008, 11(6): 81-84 [2] R.
International journal of production research, 2010, 48(23): 7089-7106 [8] V.
Maaseidvaag, An adaptive approach to controlling kanban systems, European Journal of Operational Research, 2001, 132(2): 411-424 [9] B.

Supported by National Nature Science Foundation of P.R.China(59889101) Research on inner cracks healing of metal materials plays an important role in constituting the recovery theory of materials.
In situ, real-time and dynamic observation of inner cracks healing of materials is an effective way to study mechanism of cracks healing.
[6] Shen Yifu, Zhou Benlian, He Guanhu, et al.: Chinese journal of material research， Vol.10 (1996), p.165 [7] Xiao Yongliang, Guo Yi, Yao Ge, et al.: Chinese journal of material research， Vol.10 (1996), p.271 [8] Wei Dongbin, Han Jingtao, Xie Jianxin, et al.: Materials Review，Vol.13 (1999), p.10 [9] B.
Case: Journal of materials Science, Vol.32 (1997), p.3163 [10] B.
Case: Journal of Material Science, Vol.34 (1999),p.388

Above the two types of high-frequency fatigue testing machine are unfit for the detection of small, hard and brittle materials components or components under high frequency force [2].
The PZT and PMN materials with structure of three element solid solution were developed by piezoelectric material institute in Tokyo Institute of technology in 2000.
[9] J.E.Butler, J.Keating:Materials and Structures, vol.14(1981), p.25-33
:Journal of Nuclear Materials,vol.307-311, (2002), p.1613-1618
[19] S.Saito, K.Kikuchi, Y.Onishi, etc..: Journal of Nuclear Materials, vol.307-311(2002),p.1609- 1612.

Properties Analysis of Biodegradable Material P(3HB-co-4HB) ZHANG Jing1,a, LU Xiuping2,b, CHU Tingliang1,c 1R&D Center, China Academy of Printing Technology, China 2Tianjin University of Science & Technology, China azhangjing@keyin.cn, blxp4217@126.com, cchu@keyin.cn Keywords: Biodegradable material; Poly(3-hydroxybutyrate-co-4-hydroxybutyrate); Basic proper- ties; Degradation properties Abstract.
Materials and methods Materials.
Combination the quality changes in soil degradation, the roughness of materials have a greater impact on the degradation of material.
The roughness of the material surface is conducive to increase the contact area of media and materials, and accelerate its degradation, and roughness of the degrading material will further increase, resulting in holes where the original holes increases further, forming a positive feedback process[6].
Forum Vol. 15 (2007), p. 259-267 [2] Ching-Yee Loo, Kumar Sudesh: Malaysian Polymer Journal (MPJ).