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Risks were originating from problems in the implementation of construction work, including resources including labour resources, materials, and equipment that can pose risks if not properly managed.
Husin, Mubarak, Fachrurrazi, The Significance Risk for Factors of Labour, Material, and Equipment on Construction Project Quality, Aceh International Journal of Science and Technology (2019) 8(2): 106-113
Procedia-Social and Behavioral Sciences (2014)
Series: Materials Science and Engineering (2019)
International Journal of Foresight and Innovation Policy (2016) 167-183

For example, Zhong et al. studied the effects of key CMP process variables such as polishing pressure and pad rotational speed on the material removal rate and surface finish of polymeric materials [3].
Davis: Journal of Materials Processing Technology, Vol. 153-154, (2004), p666
Higgs: Journal of the Electrochemical Society, Vol. 153, (2006) p15
Gill: Journal of the Electrochemical Society, 148(4), (2001), p207
Jeong: Journal of Materials Processing Technology, Vol. 203 (2008), p287

Experimental material Concrete materials: Concrete design strength grade C30, ordinary Portland cement 32.5 is used by the company of ji dong cement .
Material performance of reinforcement are shown in Table 2.
Acknowledgements This work was financially supported by the Tianjin Natural Science Foundation (11JCYBJC03100).
Journal of water conservancy and architectural engineering, 2010, 8 (1): 160-163,in Chinese [2] Liping Wang,Yingmin Li,Nina Zheng,Liping Liu,Jun Han,Jianwei Liu.
Science and technology journal of Xian building university (natural science edition), 2009, 41 (6) : 822-826,in Chinese [3] Weijian Yi.

Acknowledgements This research was sponsored by Chinese Natural Science Foundation (Grant No. 50808098), Natural Science Foundation of Ningbo City (Grant No. 2010A610082) and Science Foundation of Ningbo University (Grant No.
Mackenzie, in: Journal of Mechanics and Physics of Solids.
Wang, in: Journal of Xi’an Jiaotong University.
Wang, in: Fatigue & Fracture of Engineering Materials & Structures.
Feng, in: Advanced Material Research.

Effect of Mixing Ratio and Doping Acid on the Photocatalytic Properties of PANI-BiVO4 Composites Bin Li1,a, Xin-yi Wang2, b and Xiao-gang Yang2, c 1College of Materials Science and Engineering, Qingdao University of Science and Technology, Qingdao 2College of Environment and Safety Engineering,Qingdao University of Science and Technology, Qingdao albyxg95@126.com, blucy_qingj@163.com, cyxg95@126.com Keywords: BiVO4, Polyaniline, Degradation, Blend Abstract.
Therefore, the composite exhibits higher catalytic activity than the pure photocatalytic material.
[2] M.Shang, W.Z.Wang, S.M.Sun, J.Ren, L.Zhou and L.Zhang: Journal of Physical Chemistry C, Vol. 113 (2009), p.20228
[4] J.Guo, Y.Zhu, Y.M.Zhang, M.Y.Li and J.Yang: Journal of Inorganic Materials, Vol. 27 (2012), No.1, p.26.

Compared with other doped materials, the titanium oxide powder doped with Ce-0.05% has the largest size; the size distribution is most inhomogeneous
Acknowledgement The project was sponsored by the Shaanxi Key Scientific and Technological Project, China (No. 2010K07-20) and the National Science and Technology Major Project (No. 2011ZX05037-003), as authors, we thank them for their financial support.
[2] Jin-Koo Park, Jong-Kil Kim, Ho-Kun Kim.TiO2–SiO2 composite filler for thin paper [J].Journal of Materials Processing Technology, 2007, 186:367-369
Journal of Chromatography A, 2011, 1218(20): 2944–2953
Carrier transport in high-efficiency ZnO/SiO2/Si solar cells [J].Science Direct, 2006:3261-3267

The Application of Parstat 2273 Electrochemical Workstation in Corrosion Experiment Guo Xiaofei1,a, Xu Bin1, Wang Yue1 1School of materials science and engineer, Shandong Jianzhu University, Shandong Jinan, 250101, China axiaofei_guo@126.com Keywords: corrosion resistance; EIS; electrochemical workstation; corrosion velocity Abstract.
The Tafel extrapolation was introduced as example to illustrate how to test the corrosion velocity by electrochemical workstation, and the EIS was used to analysis corrosion resistance of different materials.
As an advanced instrument, Parstat 2273 has many application as follows: Research electrochemistry — it can determine the kinetics of an electron-transfer process, develope new and improved materials via unique electrodeposition or electrosynthesis techniques with the flexibility and capability required by electrochemical researcher.
Chinese Journal of Aeronautics.
Temmerman: Corrosion Science.

Especially in high temperature environment, physical properties of materials have a great effect on the use of materials.
Experiment procedure Materials preparation.
Effect of Cu/WC functionally graded materials microstructure on its properties[J].Science Technology and Engineering,2010,10(12):1-2.
Microstructure and Properties of WCP/Cu Layered Functionally Graded Materials Prepared by Vacuum Hot-Pressed Sintering[C].Applied Materials and Electronics Engineering,2012,Part1:47-50
Calculation of linear expansion coefficient of metallic materials[J].Journal of Zhejiang University of Technology.2000,28(4):358-366.

Materials and methods The Quality of Water of Experiment.
Test Materials.
PSAF is a technology of phosphorus removal as raw material to a water glass, aluminum sulfate, ferric sulfate, and preparation method is simple, non-toxic, with less, extensive source of raw materials and good flocculation.
Chinese Journal of Enviromental Science, 2001, 1:18-22.
Research on phosphorus removal by different coagulants, J.Journal of Hebei University of Engineering (Natural Science Edition), 2010, 27(1):51-54.

Nayyar: Strategic Management Journal Vol. 15(1994), p. 365-395
(In Chinese) [8] Caiming Zhang: Journal of Beijing Jiaotong University(Social Sciences) Vol. 7(2008), p. 89-92.
(In Chinese) [9] Ailin Jiang: Journal of Zhengzhou Institute of Light Industry(Social Sciences) Vol. 4(2003), p. 61-64.
(In Chinese) [10] Maosheng Lai, Pengfei Sun: Information Science Vol. 27(2009), p. 1122-1138.
Lane: Journal of Geographical Systems Vol. 13(2011), p.147-171