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Flexural cracks of concrete beams reinforced with CFRP-PCPs composite rebars are hairline before prism cracking, and they widen after the prism cracking Introduction Despite having high tensile strength, most fiber-reinforced polymer (FRP) materials suffer from relatively low modulus of elasticity compared with steel.
The specific parameters are shown in figure 1, A variety of mechanical properties of materials measured in Table 1 ~ 2.
Acknowledgements This work was financially supported by the Natural Science Foundation of Jiangxi Province (20122BAB216005).
Study of strengthening reinforced concrete beam using prestressed carbon fiber sheet[J] Journal of Building Structures. 2003,24(5)：24-30 [4] Vecchio F J ,Collins M P.
The modified compression – filed theory for reinforced concrete elements subjected to shear[J ] .ACI Structural Journal , 1986 , 83 : 386 - 394

This article focuses on the research of the influences of COD model components SA(volatile acid/fermentation products), SF(fermentable, readily bio-degradable organic substrates), XS(slowly biodegradable substrates), SI(Inert soluble organic material)and XI(Inert particulate organic material) on KLa, to master the regulations of these influences to provide a foundation on oxygen transfer mdoel. 1 Materials and Methods 1.1 Materials.
Failing to find materials directly reflect the level of SI, XI, and guess SI, XI has larger influence on the oxygen mass transfer, this paper will research the joint influence of SI and XI on KLa, the relationship is shown in figure 5.
Acknowledgments The authors would like to thank the Key Project of Science and Technology of Zhejiang Province (Grant No. 2011C14023), the National Natural Science Foundation of China (Grant No. 51108416), the International Cooperation Project of Ministry of Science and Technology of China (Grant No. 2010DFA92050) for financial support.
Journal of North University of China, 2010, 31(1): 45-49
Chemical Engineering Journal, 2010, 165: 758-768

For example, if biological fiber is obtained from rice and wheat straw as the substitutes for processed timber and fiber materials, their value will be significantly increased [6].
Lee. et al. : submitted to Journal of Applied Polymer Science, 82(2001) ,p. 1705－1708
Zhang. : submitted to Journal of Eco-economy，2(2006)，p. 103－105
Zhu. : submitted to Journal of Southwest Agricultural University (Social Sciences Edition) Vol.11（10）(2013)，p. 8－11
Qi. : submitted to Journal of Agro-system Science and Synthesize Research，Vol. 22（1），(2006)，p. 9－13

This study observed the replacement of the waste to the conventional glaze raw materials.
Therefore, to replace this waste for typical raw materials is highly possible.
The glaze compositions were formulated using several raw materials in Table 1.
All out gratitude are also for all supports on Department of Material Science, Faculty of Science,
Zakaria, The utilization of red gypsum waste for Glazes, The Malaysian Journal of Analytical Sciences 1 (2007) 57-64

The total cases is 2317, and the whole materials is coded by the computers, and then eliminate the cases which has the flaw value and does not conform the logic.
Chinese Journal of Health Statistic 23(4),76-78 (2006) [4] Su Gaoli, Deng Fangping, Based on the MATLAB language improved algorithm of BP neural network.
Bulletin of science and technology 19(2),130-135 (2003) [5] Zhang Juying, Wei Jian, Yang Shuqin, Neural network model factors in the hospitalization cost analysis.
Chinese Journal of Hospital Administration 18(3),143-145 (2002) [6] Liu Biyao, Shen Yi, Based on BP Neural Network Modeling of hospital costs.
Journal of Medical Systems 29(3),205-215 (2005)

The waste materials are used as raw materials in the production of geopolymers.
Materials and Methods Materials.
Sithole: In IOP Conference Series: Materials Science and Engineering (Vol. 652, No. 1 (2019, p. 012060)
Taibi: Journal of Materials and Environmental Science, 8(2017), pp.1783-1796
Gidarakos: Journal of hazardous materials, 207 (2012), pp.165-170

Experimental Materials Raw materials: Neosinocalamus affinis came from the Jinyun Mountain in Chongqing, China.
Journal of Cellulose Science and Technology Vol. 10(1)(2002), p. 45 - 49
CHINESE JOURNAL OF TROPICAL CROPS Vol.24(3)(2003),p. 27 - 29
Journal of Textile Research Vol. 28(11)(2007), p. 76 - 80
Journal of Cellulose Science and Technology Vol.14(3)(2006),p. 41 - 46.

The causes that affect human safety were distinguished into many factors which can be classified into 5 respects: man, machine, material, management and mediums, called ‘5M’ method.
Another safety management science, Safety Behavior[10], discloses people’s safety behavior laws in production and organization management.
Firstly, the causes which lead to human safety accidents in PSO are classified into 5 respects: man, machine, material, management and mediums, called ‘5M’ method.
References [1] Guozhong Liu, Yongjun Zhang, Zhe Li, Yi Ling, Zexiang Cai: China Power, Vol. 40 (2007), p. 85 (In Chinese) [2] Yi Ling, Yongjun Zhang, Zhe Li, Zexiang Cai: Relay, Vol. 35 (2007), p. 55 (In Chinese) [3] Guang Liang, Yongjun Zhang, Hao Li, Ling Yi: Relay, Vol. 36 (2008), p. 23 (In Chinese) [4] Yulong Huang, Youcheng Li, Weiling Lin, Yunjun Zhang: Journal of Safety Science and Technology, Vol. 4 (2008), p. 144 (In Chinese) [5] Zhou Yuan, Zhijian Huang: Safety Principle (China Power Press, China, 2004)
[7] Shu Zhang Xiuzhi Shi: China Safety Science Journal, Vol. 21 (2011), p. 23 (In Chinese) [8] Xin Peng, Shiliang Shi, Runqiu Li, et al: China Safety Science Journal, Vol. 21 (2011), p. 22 (In Chinese) [9] Yulong Huang, Yi Ling, Yongjun Zhang: Guang Dong Electric Power, Vol. 21 (2008), p. 1 (In Chinese) [10] Long Ye, Sen Li: Safety Behavior (Tsinghua University Press, China, 2005)

Fig. 1 Schematic of the pavement structure Fig. 2 Schematic of vehicle In China pavement materials of highway are mostly asphalt concrete.
With this idea, in this paper mechanical parameters of each pavement structure layers are selected by analyzing and screening pavement structures and materials of domestic and overseas [13], which are presented in Tab. 1.
Journal of Sound and Vibration, 1993, 166(1):141-159
Journal of Sound and Vibration, 1998, 212(1):61-74
Journal of Sound and Vibration, 1992, 153:77-87

Improved product development and design are based on existing products on the basis of the overall optimization and local improvements designed to make our products even better, more suitable for the people and the market demand, as well as the needs of the environment, or adapt to new manufacturing processes and new materials.
To get the improved product development and design, we must first analyze the product of "bad", ie, shortcomings, usually targeted for the effect of site components and improvements in materials, processes, structure, but these are not the focus of this study, but the feature-based geometric model reconstruction.
since its emergence Acknowledgment The work is supported by Zhejiang Provincial Natural Science Foundation of China No.
Nanjing University of Science and Technology Vol. 2004
Northeastern University (Natural Science Edition), 2005,26 (7) :680-682