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Hocheng conducted ultrasonic drilling on Carbon/Epoxy and Carbon/PEEK to explore the cutting nature, cutting mechanism, and economic effect, and found that ultrasonic drilling can prevent the splitting and burrs of composite materials [3].
Figure 6 shows that the amount of diameter reduction is inversely proportional to the feed rate for all the tested materials.
Hsu.: Preliminary Study of Ultrasonic Drilling of Fiber-Reinforced Plastics, Journal of Materials Processing Technology, Vol. 48 (1995), p. 255-266
Chu: Micro electrochemical milling, Journal of Micromechanics and Microengineering, Vol.15 (2005), p.124-129
Hocheng: Using Borer-Shape Electrode in Electrochemical Smoothing of Holes, Materials Science Forum, Vol.505-507 (2006), p.793-798 [10] S.S.

Effects of Rare Earth Elements on the Quality of Nugget in Aluminum Alloy Spot Welding Dong Jiantao1,2,a, Luo Zhen1,2,b *, Zhou Linshu1,2,c, Hao Jian1,2,d 1School of Materials Science and Engineering, Tianjin University, Tianjin, China 2Tianjin Key Laboratory of Advanced Joining Technology, Tianjin University, Tianjin, 30072, China aTao861122@163.com, blz@tju.edu.cn, c soar-001@163.com, dHjddzxx163@163.com  Keywords: aluminum spot welding, nugget, rare earth element, strengthening Abstract.
The following expression is commonly used: σy =αPy –β (1) The ultimate strength σb is directly related to the maximum stress Pmax by means of expressions like the following: σb =αPmax –β (2) Where α, β are material parameters.
Acknowledgements This research was supported by National Nature Science Funds of China (grant 50975197), State High-tech Research and Development Plans (the 863 plans) (grant 2008AA04Z136), Project Funds for New Century Talents of Ministry of Education, Double-Five Science and Technology Projects of Tianjin municipality colleges (grant 2009E6-0020), Integration Project of Production, Teaching and Research of Ministry of Educational of Guangdong Province(grant 2007A0903021050), and Applied Basic Research Funds of Tianjin municipality (grant 09JCZDJC24000) References [1] LI Qing-song.
Journal of Nuclear Materials.
Journal of the Chinese Rare Earth Society.

R., Advanced Material Research, Vol. 227 (2011), p. 106-111 [4] B.
Selvaduray: Materials Science and Engineering, R: Reports 27 (2000) 95-141 [7] J.W.
Science and Eng.
Science and Eng.
Zhou, Journal of Alloys and Compounds, Vol. 504 (2010), p. 535-541

Application of Reverse Engineering Technology on Beverage Packaging Chunsheng Tao1,a, Qiao Bai1,b, SongBai Ma1,c 1School of Material Science and Mechanical Engineering Beijing Technology and Business University Beijing, China,100048 ataochunsheng@th.btbu.edu.cn, bbaiqiao@th.btbu.edu.cn, cmasongbai@th.btbu.edu.cn Keywords: Reverse Engineering, Beverage Packaging, Data Processing, Model Abstract: This article briefly introduces the concept, processes and key technologies of reverse engineering.
Therefore, it is significant for the development of national economy and improvement of the science and technologies to study the reverse engineering technology.
There is no special requirements for the materials and reflective of the measured object.
It is not affected by the material and thickness of the object.
(in Chinese) [2] Y.H.Wang, W.Y.Wu, Reverse Engineering Oriented to Creative Design, Journal of Machine Design, 10(2007) 1-3.

Study on Magnesium Hydroxide-based Hydrogen Peroxide Bleaching Process of Nigra Poplar CTMP Qiang Zhao 1,2, Dezhi Sun *2, MingYang Zhang 1, Sumin Kang 1 1.College of material Science and Technology,Beijing Forestry University.China 2.
Introduction Nigra poplar is widely used as an important material for pulp and paper industry in China.
Experimental Material The CTMP sample of Nigra poplar was provided by Shandong HuaTai Paper Corp.
As shown in Tab.4, the higher yield of bleached pulp were obtained with Mg(OH)2-based process than that with NaOH-based process, which indicated that the dissolution of organic materials from pulp fibers during Mg(OH)2-based bleaching was less.
TAPPI JOURNAL 3 (12):27-31

Materials and Experimental Methods 2.1 Experiment Device This article uses the THz-TDS system which American Zomega Corporation develops, as is shown in figure. 2.
In the process of experiment, we select polyethylene powder as hybrid material which is approximately transparent in the THz wave band.
Acknowledgment This research work is supported by Natural Science Foundation of Zhejiang province of China (Grant No.
References [1] Anis Rahman, "Dendrimer based terahertz time-domain spectroscopy and applications in molecular characterization", Journal of Molecular Structure, Vol. 1006, Issue 1–3, 59-65, 2011
[2] Wei-en Lai, Huai-wu Zhang, Yao-hua Zhu, Qi-ye Wen, "A novel method to measure dielectric properties of materials in terahertz spectroscopy", Optik - International Journal for Light and Electron Optics, Vol. 124, Issue 20, 4085-4088, 2013

SiOx/PET thin film as food packaging material, exhibited not only a high barrier property, a good mechanical property, a safety, a transparency, but also had an excellent microwave permeability.
The distance between the fixed target and the substrate materials was 60mm.
Acknowlege The research work was conducted in the Packaging Science and Technology Key Laboratory of Haerbin University of Commece, Haerbin China.
Chinese Journal of Vacuum Science and Technology, May, vol29:（2009）.S1：94-97 [3] LIU Zhuang1, LIN Jing1, SUN Zhihui etc: Study of the Barrier Mechanism of Ceramic Thin Film by Magnetron Sputtering.
Chinese Journal of Vacuum Science and Technology.

Retrieval of chlorophyll content from leaf reflectance spectra using support vector machine Jie Lv1, a, Zhenguo Yan2, b 1College of Geomatics, Xi’an University of Science and Technology, Xi’an, China; 2School of Energy Engineering, Xi’an University of Science and Technology, Xi’an, China.
The objective of this paper is to combine PROSPECT and support vector machine for retrieval of chlorophyll content in rice based on support vector machine at leaf scale. 2 Materials and methods 2.1 Study site The test site is located in Yi Zhen county, Suzhou city, Jiangsu province, China.
Tong, Research on the SVM Classification of Active and Passive Remote Sensing Data Based on the Feature Per-Parcel, Applied Mechanics and Materials. 405 (2013) 3001-3006
Chakraborty, Learning with transductive SVM for semisupervised pixel classification of remote sensing imagery, ISPRS Journal of Photogrammetry and Remote Sensing. 77 (2013) 66-78
Jiang, Modeling Chlorophyll Content of Korean Pine Needles with NIR and SVM, Procedia Environmental Sciences. 10 (2011) 222-227.

These disturbances profile is individual for different materials [16].
Shalomov, Physical modelling of changes in the energy impact on a worker taking into account high-temperature radiation, Journal of Achievements in Materials and Manufacturing Engineering, 91/1 (2018) 27–33
Suchikova, Substantiation of expedience of application of high-temperature utilization of used tires for liquefied methane production, Journal of Achievements in Materials and Manufacturing Engineering, 87/2 (2018) 77–84
Shcherbak, Results of experimental research into correlations between hazardous factors of ignition of materials in premises, Eastern-European Journal of Enterprise Technologies, 6(10–90) (2017) 50–56
Gornostal, Analysis of correlation dimensionality of the state of a gas medium at early ignition of materials, Eastern-European Journal of Enterprise Technologies, 5(10) (2018) 25–30

Inorganic Materials, 2004. 40(9): p. 937
Materials Transactions Jim, 1994. 35(3): p. 182
Journal of Materials Science & Technology, 2011. 27(7): p. 601
Journal of Materials Science, 2010. 45(12): p. 3160
Microporous and Mesoporous Materials, 2009. 118(1-3): p. 78