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One modelled part so can be the basis for it’s simply modification or for another parts, which are similar by type or shape. [5] Created 3D model and the data digitizing enable to execute the various types of analysis, for example the computing of the model volume value, to determinate of the centre position with regard to the selected coordinate system and the calculating of the mass on the basis of material density.
To accomplish this, the tool designer has to satisfy the more objectives – providing simple, easy-to-operate tools for maximum efficiency – reduce manufacturing expenses by producing parts at the lower possible costs – design tools that consistently produce parts of high quality – increase the rate of production with existing machine tools – design the tool to make it foolproof and to prevent improver use – select materials will give adequate tool life – provide protection in the design of the tools for maximum safety of the operator. [10] By help of modern design tools – computers and CAD/CAM programs – on this very hard way - the manufacturers can work more quickly and more safety.
Samardzic, Calculation of Reaction Forces in the Boiler Supports Using the Method of Equivalent Stiffness of Membrane Wall, Scientific World Journal, (2014)
Kadnar, et al., The design and verification of experimental machine for real journal bearing testing, Technical Gazette, 18 (2011) 95-98
Pavisic, et al., A numerical creep analysis on the interaction of twin parallel edge cracks in finite width plate under tension, Thermal science, 18(2014), S159-S168    [9] D.

The study of the diffuser starts from the simple light scattering material to the micro lens array structure, and end to the stage of the light scattering material parallel with the microstructure.
(a) (b) Fig. 4 The image of micro-sphere lens with different filling coefficient (a) 100%, (b) 62.33% In order to obtain the same width and uniform thickness diffuser, we make use of micro injection casting ,the experimental material is PP - R301.
Acknowledgement This study was funded by the National Natural Science Foundation of China (No.51173015) and the Fundamental Research Funds for the Central Universities, project No zz1011.
Kim: European Polymer Journal, Vol. 41 (2005), p. 1729 [2] C.
Luo: Chinese Journal of Liquid Crystals and Displays, Vol. 24(2009), p. 681 [5] X.

The light guide plate that is designed in this paper selects its material as PMMA-Poly methyl methacrylate, commonly known as acrylic or glass, whose refractive index is 1.49, corresponding to the critical angle of 41.8 °.
Design of uniform light guide plate Simple the formula of rn as below: Firstly, parameters as size and materials etc. of light source and the light guide plate are designed.The Surface 4 is defined as the light surface.A piece of screen is arranged above the light guide plate to receive the light emitted from the light guide plate, as shown in Fig. 3.
In daily operation, it can show the new media in the digital age without involuntary discharge of urine by expanding the traditional media, advertising, product display, popular science and movie trailer.
References [1] YAN Ze-lin, XU Ping, WAN Li-li, etc., Light guide plate of back light system, Laser Journal., Vol. 27, no. 3 (2006), p. 5-7 [2] WANG Min, XIA Xian-jun, Technology and Applications of the New LED Backlight, Optoelectronic technology., Vol. 25, no. 4 (2005), p. 267-270 [3] LU Chen, FANG Zong-bao, SHEN Su, CHEN Lin-sen Y, Research of LGP illuminated by LED based on transmission-scattering theory, Laser and infrared., Vol. 40, no. 7 (2010), p. 752-756
[4] HUANG Chong, JIANG Yan-sen, SHEN Yi, WU Yong-jun, Design of scattering netted dots on light guide plate of edge-lighting LED backlight, Journal of applied optics., Vol. 29, no. 5 (2008), p. 689-692

The study had two response variables in the form of Material Removal Rate (MRR) and Surface Finish (Ra).
Materials and Methodology In the present study, use has been made of ESD data acquired during single point diamond turning of ONSI-56.
Chen, "Optimization of electric discharge machining process using the response surface methodology and genetic algorithm approach," International Journal of Precision Engineering and Manufacturing, vol. 14, pp. 709–717, 2013
Stathopulos, "Applying genetic algorithms for the determination of the parameters of the electrostatic discharge current equation," Measurement Science and Technology, vol. 17, pp. 2819-2827, 2006
Ekonomou, "Parameters’ optimisation methods for the electrostatic discharge current equatio," INTERNATIONAL JOURNAL OF ENERGY, vol. 11, 2017

They are present for instance in reinforced structures which are usually made of different materials.
The materials of the plate (p) and stiffeners (s) are epoxy and steel, respectively.
Janicki, Disk laser welding of armor steel, Archives of Metallurgy and Materials. 59, 4 (2014) 1641-1646
[21] A Klimpel, T Kik, J Górka, Computer aided structure prediction of 0H18N9 and S235JR steels laser welded joints, Journal of Achievements in Materials and Manufacturing Engineering. 21 1 (2007) 83-86
[22] M Adamiak, J Górka, T Kik, Structure analysis of welded joints of wear resistant plate and constructional steel, Archives of Materials Science and Engineering. 56, 2 (2010) 108-114

Thermal Decomposition Characteristics and Drying Process of Municipal Sludge Qigang Zhao1,2, Yali Wang1,*, Zuoren Nie1, Hong Liu3 and Suping Cui1 1The College of Materials Science and Engineering, Beijing University of Technology, 100 Pingleyuan, Chaoyang District, Beijing, 100124, China. 2Zhuolu BBMG Cement Co., Ltd., Hebei, 075600, China. 3Beijing Jinyu Mangrove Environment Protection Technology Co., Ltd, Beijing, 102402, China.
This is Not only to solve the problem of sludge treatment which is difficult to solve by sewage treatment plant, but also to make full use of the sewage treatment plant sludge to replace part of cement clinker production materials.
In other words, municipal sludge exhibits similar composition with siliceous raw materials.
Journal of Cleaner Production, 2013,52: 94-102
Shanghai Building Materials, 2012, (3): 14-17

Researchers have tended to focus on the liner material.
Researchers have tended to focus on the liner material.
To assess the energy absorbing capabilities of helmet, many researches implemented the shock absorption tests to evaluate a bicycle helmet based on some standards such as: the US Consumer Product Safety Commission (CPSC); the American Society for Testing and Materials (ASTM) and Snell B-95 [3-5].
The *MAT 24 material model simulates the chin strap.
Liu, Dynamic Stress-Strain Respond and Yield Behavior of Polycarbonate, Chinese Journal of Material Research. 21(4) (2007)

However, cheaper substitution materials such as nitrogen-doped carbon catalyst have attracted greater attention in recent year due to its significant catalytic activity at cathode in fuel cell.
The calculations are performed using the simulation tool of Material Studio®.
Okamoto: Applied Surface Science Vol. 256 (2009), p. 335-341
Ozaki: Journal of Physical Chemistry C Vol. 112 (2008), p. 14706-14709
Ozkan: Journal of Catalysis Vol. 239 (2006), p. 83-96

In this survey, a total generating evaluation unit 3153, the evaluation factors including soil moisture, groundwater depth, light radiation intensity, soil irrigation capacity, annual rainfall, soil drought resistance, the degree of soil erosion, soil texture, crop rotation suitability , site topography, soil parent material, the thickness of the humus layer, salinity, soil pH, available copper, iron efficiently, slow potassium, potassium efficiently and effectively fierce, total nitrogen, phosphorus, organic matter, cation content, Zn, a total of 24.
Acknowledgements This work was financially supported by Jilin provincial projects(NO.201248, No. 2013-68, 20110237, 20120802) References [1] li Li, qing-wen shang: Journal of shandong agricultural science, Vol. 11( 2013), p. 87 ~ 90 [2] Ruiyan Wang, geng-xing zhao, li tao, etc.
Journal of agriculture Journal of engineering, Vol. 20 ( 2004), p. 307-310 [3] Li Ma.
Journal of agricultural network information, Vol. 11(2006), p.59-63

[2] Gunasekaran A,Patel C,McCraughey R E.A frame-work for supply chain performance measurement[J].International Journal of Production Economics,2004,87(3):333-347
Journal of Hubei University (Philosophy and Social Science), 2012, 39(1):19-21
Journal of Hebei University of Technology, 2008, 37(6):63-68
PCA-Based Performance Evaluation of Material Flow in Manufacturing Enterprise [J].
Industrial Engineering Journal, 2011, 14(1):87-90