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According to the Mechanics of Materials[1] : , (4) In this interface, the radius of curvature of concrete and carbon fiber are same value under the formula form (2) to (4): , (5) Under the force distribution what the Fig.1 shows, the elongation of the interface concrete part of beam element and the amount of shortening of the interface carbon fiber part of the beam element
Acknowledgements This project was supported by the Science and Technology Research Project, Ministry of Education, Liaoning Province (L2012097)and Third college students research training program in University of Science and Technology Liaoning 5.
References [1] Hongwen Liu , Mechanics Of Materials[M].
Traffic Science and Engineering, 2012, 28(3): 22-36
Analysis of thermal stresses of RC Beams Strengthened with carbon fiber sheet[J].Journal of Railway Science and Engineering, 2007, 4(5); 35-39

Influence of pulp pH on flotation of fluorite and calcite Wenjuan Zhao1,a, Dianwen Liu1,b*, Hongshuai Li1,c, Qicheng Feng1,d, Guoyin Xu1,e, Jingjie Yuan1,f, Xiaodong Jia1,g 1Faculty of Land Resource Engineering, Kunming University of Science and Technology, Kunming 650093, Yunnan, China a wenjuan19880718@163.com, bldwkust@126.com (Corresponding Author), c568252982@qq.com, dfqckmust@126.com, e277785081@qq.com, f370131803@qq.com, g77964768@qq.com Key words: fluorite; calcite; flotation; zeta-potential; pulp pH; infrared spectroscopy Abstract.
Introduction Fluorite can be used in three major industries such as metallurgy, chemical industry and building materials, having an important relationship with the developing of the national economy.
Materials and Methods In order to investigate the mechanism of effect of pH on the flotation about fluorite, how the recovery and zeta-potential of fluorite and calcite change with the pH changing from 4 to 11 respectively was investigated.
Acknowledgements This study was supported by the National Natural Science Foundation of China (Grant No. 50964007), Yunnan Provincial Young Science and Technology Reserve Talents Cultivation Fund Project(2011CZ012),the Joint Funds of the National Natural Science Foundation of China (Grant No. u0837602) , and the Natural Science Foundation of Yunnan Province (Grant No. 2008ZC019M), also by the Doctoral Foundation Projects from the Ministry of Education of China(Grant No. 20105314110010).
International Journal of Mineral Processing, Vol. 18(1986), p. 73-84

Caculating result of this dynamic model indicates that local high content of Al caused by dendritic segregation in shin sheet slab can increase the driving force of precipitation process which can accelerate the part precipitation of AlN in casting slab. 4 Acknowledge Project supported by the National Natural Science Foundation of China (51074062) ,Science Fund for Distinguished Young of Hebei Province (E2011209029), Innovation team leading talent in universities cultivation plan of Hebei province (LJRC007) and the Hebei Province Natural Science Foundation (E2013209228).
Materials Science and Engineering, A189(1994): 155~163 [2] Leno M.
Journal of Yunnan University (Natural Sciences), 2002，24（1A）：158~162 [6] T.
The Institute of Materials, London, 1997: 1149 [7] YUN Qilong.Microalloyed steel-Physical and mechanical metallurgy.BeiJing:China Machine Press,189

Methods and materials Tested algae, culture medium and water samples Axenic cultures of cyanobacterium Microcystis aeruginosa (FACHB 905), Microcystis wesenbergii (FACHB 908), Microcystis viridis (FACHB 979), Aphanizomenon flos-aquae (FACHB 1039), Plectonema boryanum (FACHB 402), Phormidium sp.
Huisman: Science 320(2008), p.57-58
Guo: Science 317(2007), p1166 [7] R.
Wang: Journal of Environmental Sciences.
Landry: Journal of Geophysical Research.

While there are many indirect sources in construction processes that affect the global warming, such as construction materials, CO2 emission is considered as one of controllable and measurable sources of greenhouse gas if construction engineers make a careful plan of equipment schedule according to CO2 emissions and equipment productivity.
Indeed, CO2 gas from various construction equipment is a main source of direct CO2 emission, and hundreds of thousands of construction materials made by fossil fuel are also considered as indirect source of CO2 emission.
Acknowledgement This research was supported by the Senior Research Program through the National Research Foundation of Korea (NRF) grant funded by the Ministry of Education, Science and Technology (NRF-2012R1A2A2A02003265).
Jang, A Study on Comparing the CO2 Emission Estimating Result for Construction Equipment, Journal of the Korean Society of Civil Engineers, Vol. 33, No. 4 (2013), p. 1675~1682 [2] T.H.
Kim, , Estimation of Emissions of Carbon Dioxide(CO2) in the Metropolitan Area and the Necessity of Developing the Learning Materials for its Reduction, Master’s Degree dissertation, Korea National University of Education, Chung-Buk, Korea, p. 19 (2007)

Metallurgy & Materials Engineering, MTM, Belgium 3 Catholic University Leuven (K.U.Leuven), Dep.
Chandarana, N. (2004) Machining of low electrical conductive materials by wire electrical discharge machining (WEDM).
Journal of materials processing technology, Vol. 146/1-3, 266-271 [2] Jiang, D., Anné, G., Vleugels, J., Vanmeensel, K., Eeraerts, W., Liu, W., Lauwers, B., Van der Biest, O., Residual stress in hardmetals caused by grinding and EDM machining and its influence on flexural strength, Proc. 16th Int.
Plansee Seminar, Powder Metallurgical High Performance Materials, Vol. 2 (2005), 1075-1085 [3] B.
Bleys, Investigation of material removal mechanisms in EDM of composite ceramic materials, Journal of Materials Processing Technology, Volume 149, Issues 1-3 (2004), 347-352 [4] B.

Introduction Carbon fiber composites，for their excellent physical and chemical properties, as a structural material or materials used for local reinforcement, they are widely used in areas such as aerospace and civil engineering [1~3].
Thus develop a new kind of smart composite materials with good stability and high sensitivity becomes the concern of researchers [8,9].
Composites Science and Technology. 70 (2010): 260–271 [2] Dae-Cheol Seo, Jung-Ju Lee.
Sensor function characteristic research of carbon fiber smart layer [J].journal of Huazhong University of Science and Technology , 2008，25（2）：36-38 [9] Akira Todoroki, Yuuki Tanaka.
Composites Science and Technology 62 (2002) 629–639

3D-Printed Flexible Polyacrylamide/Alginate Gel Polymer Electrolyte for Zinc-Ion Batteries Napassorn Wongduangpa1,a, Nutthapong Poompiew 2,b, Chuanchom Aumnate2,c, and Pranut Potiyaraj3,d 1Department of Petrochemistry and Polymer science, Faculty of Science, Chulalongkorn University, Bangkok, Thailand 2Metallurgy and Materials Science Research Institute, Chulalongkorn University, Bangkok, Thailand 3Department of Materials Science, Faculty of Science, Chulalongkorn University, Bangkok, Thailand anapassornfahwong@gmail.com, bpoompiew.n@gmail.com, cchuanchom.a@chula.ac.th, dpranut.p@chula.ac.th Keywords: Polyacrylamide, Alginate, Gel polymer electrolyte, Hydrogel, 3D printing Abstract.
Material extrusion, seen in processes like fused deposition modeling (FDM), requires materials with suitable viscosity.
Experimental Materials.
Energy & Environmental Science, 2021. 14(8): p. 4451-4462
Journal of Energy Chemistry, 2019. 37: p. 126-142

Introduction Composite thermoplastic materials are biphasic materials consisting of a mass of polymer and the reinforcement embedded in it.
Resistance to Abrasive Wear of structurally Inhomogeneous Materials.
Friction and Wear in Polymer based Materials, Pergamon Press, 1982
American Jounal of Materials Science 2013,3(1):8-18.
Journal of Materialas Science and Engineering A&B.

The neuron is used on the surfaces of composites or metals and can also be embedded within composite materials.
Kobayashi: Smart Materials and Structures Vol. 13 (2004), p.80 [2] H.
Waldron: Journal of Intelligent Material Systems and Structures Vol. 14 (2003), p.521 [4] G.M.
Lockwood: Journal of Dispersion Science and Technology Vol. 23-1 (2003) p.1 [13] Y.P.
Lim, Y Lee: Advanced Materials Vol. 13-7 (2001), p.497 [17] I.