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International Journal of Minerals, Metallurgy, and Materials, 2017, 24(9): 999-1003
Materials Science and Engineering A, 2003, 343(1-2): 71 - 75
Materials Science Forum, 2008, 591-593:649-653
Science of Advance Materials, 2019, 11: 483-488
International Journal of Refractory Metals and Hard Materials, Volume 36, January 2013, Pages 162-166

Introduction Microwave absorbing materials usually are compound, thus the reduction of effective electromagnetic parameters are important for material design and fabrication.
The application of effective medium model for describing microwave absorbing materials is carried out in this paper.
[4] Sang-Eui Lee, Oyoung Choi, H.Thomas Hahn: Journal of Applied Physics,Vol.104(2008), p.1～7 [5] R.
Fanbin Meng, Yingqing Zhan: Applied Surface Science Vol.257 (2011),p.5000-5006
Liu: Journal of Alloys and Compounds Vol.234 (2006), p.1429–1433.

The tensile test is the main test of the materials science in order to select the mechanical features of the materials such as yield stress, ultimate stress, young’s modulus, weight, stresses, etc, [42-49].
Takhakh, 2018 Design and Manufacturing Knee Joint for Smart Transfemoral Prosthetic (IOP Conference Series: Materials Science and Engineering, International Conference on Materials Engineering and Science) vol 454
Thahab, Experimental study of improvement shear strength and moisture effect PVP adhesive joints by addition PVA (IOP Conference Series: Materials Science and Engineering, International Conference on Materials Engineering and Science) vol 454,2018
Al-Waily, Dissimilar Aluminium Alloys Welding by Friction Stir Processing and Reverse Rotation Friction Stir Processing (IOP Conference Series: Materials Science and Engineering, International Conference on Materials Engineering and Science, Istanbul, Turkey, 8 August) vol 454,2018
Al-Shammari, Fatigue and Fracture Behaviours of FSW and FSP Joints of AA5083-H111 Aluminium Alloy (IOP Conference Series: Materials Science and Engineering, International Conference on Materials Engineering and Science) vol 454,2018

Compared with analytical models, numerical models is promising in the prediction of machinability of workpiece materials, tool wear, tool failure, and surface integrity of the machined surface [1].
Acknowledgement This paper is sponsored by the National Natural Science Foundation of China (No.
Astakhov: Journal of Materials Processing Technology.
Guo:Journal of Materials Processing Technology, Vol.142 (2003), pp.72-81
Otho, M.A: International Journal of Machine Tool & Manufacture, Vol.42 (2002), pp.1373-1383

Yuyang coal mine and Tiandi Science & Technology Co., Ltd made aeolian sand as aggregate of stowing material and developed aeolian sand Paste-like stowing material, which can solve the imbalance problem of the demand of stowing materials and reduce the material cost.
In order to solve these problems, according to the characteristics of stowing materials in Yulin area, researchers of Tiandi Science and Technology Co.
Ltd developed auxiliary cementitious materials of stowing materials (auxiliary materials).
The main components of auxiliary materials are lime, desulphogypsum and additive.
[4] Yuanchun Sun, Yanjun Shang: Journal of China Coal Society Vol. 34 No.12 (2009), p. 1643, In Chinese.

Grinding usually be employed in semi-finishing for removing redundant materials efficiently.
The high hardness and brittleness of the materials restrict largely the parameters of processing, which lead to the low efficiency of machining.
Optik-International Journal for Light and Eledtron Optics Vol.122 (2011) p.358-363 [5] Ling Yin, Han Huang: Brittle materials in Nano-abrasive Fabrication of Optical Mirror-surfaces.
SPIE 1995 International Symposium on Silicon Carbide Materials for Optics and Precision Structure.
Journal of The Optical Society of America A-optics Image Science and Vision Vol.24 (2007) p.1551-1561 [11] Raquel Concheiro, Margarita Amor, Emilio J.

Engineered materials could arrest aircrafts rushing out of runway, but it’s fragile and can be easily damaged by jet blast exhausted by taking off aircraft nearby.
Engineered Materials mean high energy absorbing materials of selected strength, which will reliably and predictably deform under the weight of an aircraft [2].
Engineered materials were produced in 1×1 meter square and in varied height.
Zeng: Journal of Experimental Mechanics, Vol.27 (2012), P. 354-360.
Zhao, Y.J Shi: Journal of Materials Science & Engineering, Vol.30 (2012), P.428-431.

Material Analysis and Structural Study on Powering Divider of Herbage Harvester Chunhua Zhao 1,a ， Yalan Luo 1,b 1Engineering college, Gansu Agricultural University, Lanzhou 730070, China aemail: zhaoch@gasu.edu.cn, bemail: 591481244@qq.com Keywords: herbage; divider; metal materials; the simulation analysis.
In order to study stress deformation and distribution of powering divider on 4GH-120 herbage harvester at working time, main materials of the divider were analyzed, and mechanical model of the divider was established by finite element method.
The divider tooth was usually inserted grass and easily ran into hard things, such as stones, its material has the important influence on working performance, So, main materials of the divider were analyzed, and mechanical model of the divider was established by ANSYS to analyze stress deformation and sound field distribution of the stalks and sound scattering [2,3].
Design Model for the Powering Divider The materials of Powering divider tooth disk was made of 45 steel which was 3mm thickness.
Prostrate tangle stem biomechanical characteristics test at harvest time[J].Journal of Agricultural Machinery, 2010,41(6):65-69 [2] He Junlin, Hu Wei, Guo Yufu, ect.

It measures output per unit of weighted average of multiple factors, such as fuel, equipment, and materials
International Journal for Research in Applied Science & Engineering Technology (2018) 23-34
Amit, Major Principles of Sustainable Transport System: A Literature Review, International Journal for Research in Applied Science & Engineering Technology (2018) 1597-1605
Konbr, Smart Sustainable Cities-Visions and Riality The Egyptian Context as a Case Study, International Journal on: Proceeding of Science and Technology 2 (2019) 101-127
Bayyatia, Towards a Green Materials Procurement: Investigating the Egyptian Green Pyramid Rating System Conference (2018)

Composite materials, such as CFRP, are hard-to-cut materials but their specific strength is useful.
In the present report, we investigated the material-removing mechanisms of the blast from the viewpoint of the erosion abrasion, considering the most suitable method through changing work materials and processing conditions such as abrasive and pressure. 1.
The experiment conditions and abraded materials used as the specimens are shown in Table 1.
The authors would like to express their gratitude to the Japan Society for the Promotion of Science.
Tech. 23(2004), 444–450 [6] K.Ogawa et al., Measurement and Analysis of Shot Velocity in Pneumatic Shot Peening, Journal　of The Japan Society of Mechanical Engineering, 60, 571(1994) 392-397 [7] The society of materials science, Japan: Engineering materials 4th edition, (1994) ,8