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Materials properties.
Journal of Materials in Civil Engineering, 12(1), 33-38
Materials Performance，21(2):36-39
Construction and Building Materials, 21(7), 1568-1575
Journal of Tongji University (Natural Science), 34(5), 586-592 (in Chinese).

Material and Method 1.
Experimental materials The seed of Litsea Cubeba (Lour.)
The voucher specimen is deposited at the College of Material Science and Engineering of the Central South University of Forestry and Technology (20091020). 2.
References [1] Chinese Academy of Sciences: Flora Reipublicae Popularis Sinicae (Science Press, China 2006)
[2] Xueheng Chen: Scientia Silvae Sinicae Vol. 39 (2003), p. 134-139 [3] Renyong Gu, Yingying Liu: Food Science Vol. 27 (2006), p. 86-88 [4] Xiucong Wu, Zudang Zhang, Shanqing Pan: China Journal of Chinese Materia Medica Vol. 11 (1986), p. 53-55 [5] Tanmu Zhang, Zhengyu Chen, Chen Lin: Acta Pharmaceutica Sinica Vol. 15 (1980), p. 577-583 [6] Changfu Wang, Ruoxing Mo, Fengxiang Wang: Encyclopedia of Chinese Agriculture--Forest Industry (China Agriculture Press, China 1993).

Effect of organic diacid carbon chain length on crystal morphology of α-calcium sulfate hemihydrate in preparation from flue gas desulphurization gypsum Xianfeng Liu1,2,a, Jiahui Peng1,b , Jianxin Zhang1,c, Jindong Qu1,d, Mei Li1,e 1 College of Materials Science and Engineering, Chongqing University, Chongqing 400045, China 2 School of civil Engineering and Architecture, Chongqing University of Science and Technology, Chongqing 401331, China alpioneer@sina.com, bpengjh@cqu.edu.cn, cweihai.zhang@126.com, dqjdmail@163.com, eninglong727106@163.com Keywords: flue gas desulphurization gypsum; α-calcium sulfate hemihydrate; high strength gypsum; salt solution method at atmospheric pressure, crystal modifier Abstract.
Materials and methods Materials.
Acknowledgements This work was financially supported by National Natural Science Foundation of China (50872160), Natural Science Foundation Project of CQ CSTC (cstc2011jjA20002), and Research Foundation of Chongqing University of Science & Technology, China (CK2011Z14).
Vol.250-253 (2011), p.881 [2] Yan Chen, Wenhai Yao, Ruolan Dong: Gypsum Building Materials (Beijing: China Building Material Industry Publishing House, 2003) (in Chhinese) [3] Wenbin Lou, Baohong Guan, Zhongbiao Wu: J.
Acta, Vol.8(2011), p.2187 [5] Xiaoqin Wu, Shitang Tong, Baohong Guan, et al: Chinese Journal of Chemical Engineering.

Manufacturing Technique and Antimicrobial Activity of Silver Nanoparticles An-Pang Chen1, a, Ching-Wen Lou2, b, Ya-Yuan Chuang1, Mei-Chen Lin1, Jia-Horng Lin1, 3, 4, c 1Laboratory of Fiber Application and Manufacturing, Department of Fiber and Composite Materials, Feng Chia University, Taichung 40724, Taiwan, R.O.C. 2Institute of Biomedical Engineering and Material Science, Central Taiwan University of Science and Technology, Taichung 40601, Taiwan, R.O.C. 3School of Chinese Medicine, China Medical University, Taichung 40402 , Taiwan, R.O.C. 4Department of Biotechnology, Asia University, Taichung 41354, Taiwan, R.O.C.
In this study was used the environment friendly materials to produce the antimicrobial agent [4].
Acknowledge This work would especially like to thank National Science Council of the Taiwan, for financially supporting this research under Contract NSC-101-2622-E-035-008-CC2.
Briano, M.Castro, Y.Ishikawa, R.Irizarry and L.Sola, Technical Proceedings of the 2002 International Conference on Computational Nanoscience and Nanotechnology, Chpt 16: Material and Nanostructures Science, “Growth Kinetics of Gold Nanoparticles”, Nanotech , 2 (2002)
Kim,A mechanistic study of the antibacterial effect of silver ions on Escherichia coli and Staphylococcus aureus, Journal of Biomedical Materials Research, 52 (2000), 662-668

With this view, many attempts have made by the researchers to increase wear resistance of this material by reinforcing some materials (filler materials) which has a better wear resistance property.
They found grit size as the dominant factor on the wear resistance of the materials.
Patare, Wear studies on polytetrafluroethylene (PTFE) Composites: Taguchi Approach, Bonfring International Journal of Industrial Engineering and Management Science 3(2) (2013) 47-51
Pawar, Performance Analysis of Polytetrafluoroethylene as Journal Bearing Material, Procedia Manufacturing 20 (2018) 414–419
Wang, The Wear Behavior of Textured Steel Sliding against Polymers, Materials 10 (2017) 330, 1-14

The work that necessary for removal of excess materials from workpiece equaled to that of no lubricating.
Acknowledgments Sincere thank to Guangxi Natural Science Foundation (GXNSFF018004) for the financial support.
Journal of Sound and Vibration, 2003, 267: 105-166
Chinese Journal of Mechanical Engineering, 1995, 31(5):76-85
Journal of Materials Processing Technology, 2002 (127):199–205

Experimental Materials and Methods Aluminum Alloy bumper used in this experiment were 6082 aluminum profiles that after bending, punching and drilling.
Verification Test of the Aging Process Test Materials.
Journal of Light Metals. 10 (2011) 3-6
Journal of Achievements in Materials & Manufacturing Engineering. 32.2 (2009)
Materials Science Forum. (2015) 131-134

Due to the possible changes of the production of raw materials and the replacement of cement varieties, we need to adjust the process parameters of poly carboxylic acid mother liquor and the ratio of the production of raw materials.The purpose of this study is through adjusting process parameters, to meet the requirements of commercial concrete adaptability.
The authors previous study showed that after adding the same dosage and type of mixed materials (such as fly ash and slag, etc.)
Acknowledgments This work was financially supported by Rizhao City Science and Technology Development Project (2013), Qingdao Institute of Technology Project (2014KY009).
References [1] Xiangyin MO,Yingjie Jing.New research progress and summarization of polycarboxylate-type high performance superplasticizer[J].Concrete,2009(3) [2] Xuejiang Huang,Muxia Zheng.Effect of side-chains structure of polycarboxylate superplasticizer on cement hydration and hydrated[J].Journal of Molecular Science,2007(23)
[4] Hui Chen,Tingting Zhao.Research and application of polycarboxylate slump retaining agent[J].Journal of Shanxi University(Nat.Sci.Ed.),2011(34):71-72

Research on the Carbonation of Cement Paste Modified with Layered Double Hydroxides Liangjun Chen1, a, Xiaoxing Chen2,b and Wei Chen3,c 1, 2, 3School of Material Science and Engineering, Wuhan University of Technology, Luoshi Road 122, Wuhan, 430070, China achenliangjunstars@foxmail.com, bxxchen@whut.edu.cn, cw.chen.whut@gmail.com Keywords: cement paste; layered double hydroxides; carbonation depth; carbonation resistance Abstract.
Materials and Methods Materials.
Table 1 Properties of Materials Material Density (g/cm3) SSA (m2/kg) Setting time (min) Initial Final Cement 3. 09 397 170 243 Fly ash 2. 56 370 - - Table 2 Chemical Compositions of Cement and LDHs (%) Materials SiO2 Al2O3 Fe2O3 CaO MgO Na2O SO3 K2O MnO L.O.I.
Journal of Shanghai building materials institute, 1990, (4) : 397-406.
The preparation of LDHs intercalated with dihydrogen phosphate and its performance of selective absorption of the infrared, Journal of inorganic chemistry, 2010, 26 (6) : 970-976.

Soft magnetic properties of [Fe80Ni20-O/NiZn-ferrite]n multilayer thin films for high frequency application Rui Xu, Laisen Wanga, Xiaolong Liu, Meng Lei, Qing Luo, Yuanzhi Chen, Dongliang Pengb Department of Materials Science and Engineering, College of Materials, Xiamen University, Xiamen 361005, P.
Therefore, how to obtain soft magnetic materials with high resistivity, high ferromagnetic and high permeability under high frequency becomes one of the research focus in present.
Journal of Applied Physics, 2008, 103(7): 07E927-07E927-6
Advanced Materials Research, 2013, 690: 1702-1706
Journal of applied physics, 1988, 63(4): 1046-1051.