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The Effects of Low Flow Rate Gas Involvement on Oil-Water Flow in Horizontal Pipes Hai-qin Wang 1&2,a, Lei Zhang 1,b, Yong Wang 1,c and De-xuan Li 2,d 1College of Pipeline and Civil Engineering, China University of Petroleum, Qingdao, Shandong, 266555, China 2Survey, Design&Research Institute of ZPEB, Puyang, Henan, 457001, China awhqzzb@163.com, bmoonight2008@126.com, cjobwangy@163.com, dsjyldx@126.com Keywords: horizontal pipes, low flow rate gas, effect, flow characteristic, experimental study Abstract.

Characterization and modeling of twinning in a titanium alloy Ti-6Al-4V COGHE Frederik1, a, TIRRY Wim1,b, RABET Luc1,c and VAN HOUTTE Paul2,c 1Department of Civil Engineering and Materials, Royal Military Academy, Renaissance Avenue 30, 1000 Brussels, Belgium 2Department of MTM, Katholieke Universiteit Leuven, Kasteelpark Arenberg 44, B-3001 Belgium afrederik.coghe@rma.ac.be, bwim.tirry@hotmail.com, cluc.rabet@rma.ac.be, paul.vanhoutte@mtm.kuleuven.be Keywords: Titanium alloy, twinning, Ti-6Al-4V, plasticity Abstract.

The Fractal Research of 16MnR Steel Fatigue Fracture after High Temperature Su Zhanga, Anzhong Liub School of Civil Engineering, Anhui Institute of Architecture and Industry, Hefei, Anhui Province 230601, P.

Fatigue crack nucleation and growth mechanisms for Ti6Al4V in different environments Sergio Baragetti1, 2, a, Cristian Foglia1, b and Riccardo Gerosa3, c 1Department of Design and Technology, University of Bergamo, Viale Marconi 5, 24044, Dalmine, Italy 2GITT - Centre on Innovation Management and Technology Transfer, University of Bergamo, Via Salvecchio 19, Bergamo 24129, Italy 3Department of Mechanical Engineering, Politecnico di Milano, Via La Masa 1, 20156, Milano, Italy asergio.baragetti@unibg.it, bcristian.foglia@unibg.it, criccardo.gerosa@polimi.it Keywords: Ti6Al4V, fatigue crack growth, microstructure, Kt effect, corrosion.
Introduction Ti6Al4V is one of the most commonly used titanium alloys in the military and civil aviation industry, because of its good corrosion resistance and high strength-to-mass ratio.

Research on Construction Technology of Inclined Pylon of Single Pylon Cable-stayed Bridge without Backstays Yinglei Zhu1,a 1Schools of Civil Engineering, Shijiazhuang Tiedao University, North Erhuandong Road 17, Shijiazhuang, Hebei, China, 050043 azhuyl2002@126.com Keywords: Single Pylon Cable-Stayed Bridge without Backstays, PC Box Girder with Corrugated Steel Webs, Construction of Inclined Pylon, Bracket.

Load-carrying capacity inspection and evaluation of existing pre-stressed concrete hollow slab Ya li, Ma 1, a Dong Wei, Wang 2, b 1 School of Civil Engineering, Zhengzhou Institute of Aeronautical Industry Management , Zhengzhou 450015,china 2 Henan Provincial Institute of Communications Planning, Survey and Design, Zhengzhou，450052,china amayali-1@163.com, bwang_dong_wei@163.com Keywords: pre-stressed concrete hollow slab；load-carrying capacity; inspection; evaluation Abstract: Load-carrying capacity evaluation method of existing pre-stressed concrete hollow slab is represented based on the example, inspection content, method and result are introduced.

The Influence of Torsional-Rigidity Bounds for Composite Shafts with Specific Cross-Sections I-Tung Chan1, a, Tungyang Chen2,b and Min-Sen Chiu3,c 1, 2, 3Department of Civil Engineering, National Cheng Kung University, Tainan 70101, Taiwan astonecat1023@hotmail.com, btchen@mail.ncku.edu.tw, cn6895103@mail.ncku.edu.tw Keywords: Imperfect interfaces, Torsional rigidity, Bounds, Shape factor Abstract.

Phase Stability of Nb-Mo Alloys Xiaobo Li1,2,a and Ping Zhang1,b 1 College of Civil Engineering and Mechanics, Xiangtan University, Xiangtan,Hunan, 411105,China 2 Key Laboratory of Materials Design and Preparation Technology of Hunan Province, Xiangtan University,Xiangtan,Hunan, 411105,China a lixiaobo0618@gmail.com, b zhangping0618@gmail.com Key words: Nb-Mo alloys; Phase stability; Characteristic crystal model; Thermodynamics Abstract.

Study on Performance of Graduation Rubber Modified Asphalt Yanchun Li1, a, Rui Lv1,b,Pan Zhang1,c,Yuzhuo Xu2,c and Guojing Hou2,c 1Hebei University of Technology, Department of Civil Engineering, Beichen District of Tianjin,300401,China 2 Baoding of Heibei Province, Department of Transportation Highway Management Office, 071000,China a lvrui_1207@163.com, bzhangpan.1985@163.com, chbgydx2012@163.com Keywords: Rubber modified asphalt, Graduation, Partical size, Evaluation of performance comparison Abstract:Consider the rubber modified asphalt preparation powder in the process of particle size, the influence factors of 40 yard, and are chosen 60 orders and class size distribution of particle size of mixed powder preparation powder, and puts forward the rubber modified asphalt mixture of different size when range, three kinds of modified asphalt compared the basic indexes and storage stability and permeable performance.

Research on micro-morphology and metal elements of Inhalable particles in Huaian typical zone Yingying Shia, Qianghua Zhang, Qingping Xiong, Chenhong Xu and Fei Liu Department of Chemical Engineering, Huaiyin Institute of Technology, Huai'an, Jiangsu, 223003 a shiyingying82012@163.com Key words: Inhalable particles; micro-morphology; metal elements; SEM; ICP-AES Abstract.
Generally, these PM diffuse both from many natural sources, such as soil dust, sea spray, volcanic and Earth's crust activity [2-3], and anthropogenic ones, such as industrial and power plant emissions, civil heating system, vehicular traffic waste incinerators [4-5].