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Acknowledgements This work was financially supported by the National Natural Science Foundation of China (51075130), Natural Science Foundation of Hubei Province (2009CDA151, 2010CDB03102), Academic Leaders of Wuhan (201051730552) and Youth Science and Technology Morning Plan of Wuhan (201150431128).
International Journal of Advanced Manufacturing Technology Vol.11-12(2008), p.1180-1189 [3] Su Chen, Wang Huang, Lin Qing, Zhao Da-Xing, Zhu Jin-Lei: Research on textile stain detection technique based on machine vision. 1st International Symposium on Computer Network and Multimedia Technology (2009) [4] Wu, Qinghua; Dai, Na; He, Tao: 2-D circle measurement system for small rule parts based on machine vision.
Advanced Materials Research Vol. 291-294(2011), p.2624-2629
Advanced Materials Research Vol. 11(1996), p.4 [8] Yu Guoxia, Vladimirova Tanya, Wu Xiaofeng, Sweeting Martin N: A new high-level reconfigurable lossless image compression system for space applications.
Journal of Beijing University of Aeronautics and Astronautics Vol. 34(2008), p. 707-710

Experimental materials and instruments Gaoqing Offset Paper 55 g/m2, Gaoqing offset Paper 70 g/m2, Yinge offset Paper 80 g/m2, Asia-Pacific offset Paper 80 g/m2, Pure White offset paper 80 g/m2, marked as sample 1#, 2#, 3#, 4#, 5#; Tianshi offset printing magenta ink Electronic scales(accuracy 0.0001g), YQ-Z-Ⅱ thickness gauge (0~3mm), ZPD-10B electronic mercury-free paper smoothness tester, YM-20 ink absorbency tester, Netherlands IGT AIC2-5 printability tester, Metallographic microscope Experimental methods The measurement of offset paper properties.
Printing materials and printability, Printing Industry Press, 2008: 46-48.
Printability, Science Press, 1985:136-146.
[5] Provatas N, Uesaka T: Journal of Pulp and Paper Science, 2003, 29 (10):62-63
（In Chinese） [9] Zhengqing Wang, Xiangtian Wang: China Journal of East China University of Science and Technology, 1997, 23 (5): 585-589.

The vibrating mixer mixes some different materials, but the mixing uniformity is poor and the mixing efficiency is too low.
It enhanced the collision between the grinding medium, which was effective for grinding brittle material particles especially.
Feng Weiming of Shandong studied the non-harmonic vibrating conveyor, and verified that the efficiency of material transport in a certain excitation frequency had the optimal value by computer simulation.
Yerofeyev: Journal of Applied Mathematics and Mechanics.
Verichev, Stanislav N: Journal of Sound and Vibration.

Supar Rohani5,e and Khaidzir Hamzah6,f 1,2,3,4,5,6Advanced Optical Materials Research Group, Department of Physics, Faculty of Science, Universiti Teknologi Malaysia, 81310 UTM Skudai, Johor, Malaysia.
Various concentrations of Sm2O3 (mol%) used as starting materials.
We are thankful to Universiti Teknologi Malaysia, Physics Department, Faculty of Science for providing the experimental facilities.
[4] O.Ravi, C.M.Reddy, L.Manoj, B.D.P Raju, Structural and optical studies of Sm3+ ions doped niobium borotellurite glasses, Journal of Molecular Structure 1029 (2012) 53-59
[7] B.Eraiah, Optical properties of samarium doped zinc–tellurite glasses, Bull.Mater Science 29 (2006) 375-378.

Numerical Simulation of Filling Process in Vertical Centrifugal Casting Based on Projection-Level Set Method Jun Zhang1, Jianxin Zhou1, a, Mingyuan Zhang1, Shengyong Pang1, Dunming Liao1, Yajun Yin1 and Xu Shen1 1State Key Laboratory of Materials Processing and Die & Mould Technology, Huazhong University of Science and Technology, Wuhan 430074, Hubei, China azhoujianxin@mail.hust.edu.cn Keywords: Vertical centrifugal casting, Numerical simulation, Mould filling process, Free surface, Projection method, Level set method.
Fig. 3a is gating system of the cast, in which the casting material is aluminum.
Acknowledgements This research was financially supported by Program for New Century Excellent Talents in University (No.NCET-09-0396), and the Foundation for Innovative Research Groups of the Natural Science Foundation of Hubei Province, China (2010CDA067), and State Major Science and Technology Special Project Foundation for High-end Numerical Machine and Basic Manufacturing Equipment (2011ZX04014-052).
Li: Chinese Journal of Mechanical Engineering, Vo1. 39, No. 3 (2003), p. 146-150, In Chinese
Chorin: Journal of Computational Physics 2 (1967), p. 12–26

Summary We have performed first-principles calculation to investigate the adsorption of O2 on gallium doped graphene to analyze the suitability of using gallium doped graphene as toxic gas sensing materials in air.
This limits the practical application of gallium doped graphene based structures as efficient toxic-gas sensing materials in the presence of oxygen.
Firsov: Science Vol. 306 (2004), p. 666
Romero: Journal of Molecular Modeling Vol. 20 (2014), p.1
Rad: Applied Surface Science Vol 357 Part A (2015), p. 1217

Sometimes the Casson fluid model is stated to fit rheological data better than general viscoplastic models for several materials [1, 2].
Journal of Physics IOP: Conference Series. 14,168–79(2005)
Alexandria Engineering Journal 55.2 (2016) 1595-1606
Alexandria Engineering Journal: 524577–582(2013)
International Journal of Engineering Science.34, 10, 1145–1156(1996)

The research on miniaturized polymer based pH sensors has recently emerged due to the progress made in polymer materials science [8].
The properties of the materials, as well as humidity, surface properties and other parameters would affect the final dimension of each sensor head.
Santiago et al: Philippine Journal of Science.
Fahys: Journal of The Electrochemical Society.
Zambonin: Journal of Electroanalytical Chemistry.

China qiong-hainan@qq.com Keywords: suspension bridge; self-anchored; limit span; influencing factor Abstract: Based on the material strength limit conditions of cable and stiffening girder, the static analysis of self-anchored suspension bridge was calculated.
Influence of Hanger Spacing In the case of other parameters (ratio of side span to main span α, the main cable, the material properties of stiffening girder and hangers, etc.) are given value, relationships of L and λh is shown in Fig.3.
The span of self-anchored suspension bridge is severely affected by the factors such as the material properties, sectional dimension of stiffening girder, main cable, hangers, and ratio of rise to span of main cable, etc.
China Civil Engineering Journal, 2005, 38(1): 60-70
Journal Wuhan University of Technology(Transportation Science & Engineering), 2005, 29(6): 858-861

This engineered bamboo product is particularly suitable as a structural material [2].
However, it has yet many challenges to overcome to become largely used as reliable engineered materials for structural elements.
Experimental Procedures Materials and Specimens.
[4] ASTM D1037-2006a: American Society for Testing and Materials
[6] WCAMA: Forest Products Journal, West Coast Adhesive Manufactures Association.