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Metallic implants are usually made of one of the three types of materials: austenitic stainless steels, cobalt–chromium alloys and titanium and its alloys [15].
MATERIAL AND METHODS Material.
Machining parameters such as depth of cut, cutting speed and cutting tools influenced surface characteristics of materials.
The other parameter such as feeding angle, thread per inch and cutting tools materials also give influence for surface characteristics material of cortical bone screw.
Lett. 11: (1992) 1039–1042 [16] Uthoff, H.K., Poitras, P. dan Backman, D.S, "Internal plate fixation of fractures: short history and recent developments”, Journal of Orthopaedic Science, vol 11 (2006) 118-126

In this experiment combinatorial friction materials research is conducted.
Raw materials used are screened by two criteria:1, select those raw materials which have good wear resistance when they combine with group raw materials; 2, select those raw materials that have the function of reducing brake noise。
Comprehensive index of raw materials is obtained by the relational grade analysis.
Combination method sieving original material 1.1 combination method sieving original material principle Combination method is based on combinatorial chemistry and composition of the material principle of chip technology, through various combinations of raw materials to the evaluation and selection and to understand the interaction between raw materials and the combination of law, to find synergy with the combination of the laws of the raw materials to achieve a reasonable choice of raw materials aim.
Clem: submitted to Journal of Materials Research (2003) [6] P.G.

Infrared spectroscopy (IR) results showed that this membrane belong to bio-cellulose materials.
Experiments Materials Acetobacter xylinum (A. xylinum) 1.1812, Escherichia coli (E.
Conclusion BC materials were produced in the surface film by static culture of A. xylinum.
BC can provide a facile approach toward manufacturing of metallic nanocomposites, antimicrobial materials, low-temperature catalysts and other useful materials.
W, Newton E: Journal of Hospital Infection Vol. 62 (2006), p. 58-63 [25] Zhao L; Song J X: Journal of Tropical Medicine Vol. 10(7) 2007 (), p. 965-968 [26] Ma X, Wang RM, Guan FM: Industrial Microbiology Vol. 35(3) (2005), p. 23-26 "In Chinese" [27] Iguchi M, Yamanaka S, Budhiono A: Journal of Materials Science Vol. 35(2) (2000), p. 261-270 [28] Liu SX, Li CF: Bacterial cellulose (Beijing: China agricultural university press) 2007, P. 28“In Chinese” [29] Feng QL, Wu J, Chen GQ, Cui FZ, Kim TN, Kim JO: Journal of Biomedical Material Research Vol. 52(4) (2000), p. 662-668

Permeability Measurement of Some Barrier Materials as a Function of Temperature and Pressure M.
These barrier materials have large number of applications in industry and scientific research.
These barrier materials are commercially available in the wide range of thickness.
To determine the properties of the barrier materials pure helium gas has been used.
Paquin: Journal of Membrane Science, 282 (2006), p-245

Biopolymers are the materials that are decomposed by microorganisms and obtained from renewable and non-renewable raw materials, as well as the materials that are not decomposed by microorganisms, but obtained from renewable resources.
Traditional polymers are made from petrochemical raw materials.
Galyavetdinov, Design of packaging materials based on polylactide and wood filler, International Journal of Engineering and Technology (UAE), pp. 1089–1091, 2018
Martin, Coextrusion of biodegradable starch-based materials.
Voronin, Analysis of physico-mechanical properties of composites based on polylactide and thermally modifie wood fibers, Materials Science Forum, pp. 202-206, 2016

3D Eddy Current Testing by FEM for detection of crack’s in materials KahinaChabane1,a* , Salaheddine Harzallah2,b and Mohamed Chabaat3,c, 1,2,Doctorate,3Professor, Built Environmental ResearchLab., Civil Engineering Faculty, University of Sciences and Technology HouariBoumediene, B.P 32 Bab Ezzouar, Algiers 16111 Algeria.
Abstract In this paper, we present a nondestructive Testing by sensor Eddy current is used as a tool to control cracks and micro-cracks in materials.
This method has emerged as one of the most efficient technique for prospecting cracks in materials, evaluating and analyzing crack’s growth.
Harzallah1,M.Chabaat, S.Benissad, Inverse Problems using Neural Networks for Cracks Characterization in Materials, International Journal of Key Engineering Materials.Vol 660 (2015) pp 361-365
Modeling and Simulation for 3D Eddy CurrentTesting in Conducting Materials International Journal of Mechanical, Aerospace, Industrial and Mechatronics Engineering Vol:8 No:4, 2014

Material that was observed to possess such properties was Phase Change Material.
PCM were identified to be materials that can store or release large amounts of heat energy during phase change.
Thermo-Magnetic materials used instead of PCM in a thermo magnetic engine setup. 2.
References [1] Jamal Nouman(2012), Comparative studies and analyses of working fluids for Organic Rankine Cycles, Master of Science thesis, KTH school of engineering and management, Stockholm
[5] Bahaa Saleh, Gerald Kogulbauer and Johann Fisher, Working fluids for low temperature Organic Rankine cycles; pp 1215-1218; Elseiver’s journal

Progress of Mesoporous Materials for the Adsorption of Cr(VI) in Wastewater Xingxing Gu1, a, Lingling Luo1, b, Jun Wu1, c, Shuxian Zhong1, d, Jianrong Chen1, 2, e* 1College of chemistry and life sciences, Zhejiang normal university, Jinhua, China 2College of geography and environmental sciences, Zhejiang normal university, Jinhua, China agarygu2010@163.com, b334668199@qq.com, c695909017@qq.com, dshuxian@zjnu.cn, ecjr@zjnu.cn Keywords: mesoporous materials; Cr(VI); adsorption; wastewater Abstract.
Classification of Mesoporous Materials The mesoporous materials can be divided into silicon-based and non-silicon-based materials according to their chemical compositions.
In the early 1990s, ordered mesoporous materials developed quickly as novel nano-materials.
Yang: Trance elements and health (Science press, China 2003)
Zhu: Journal of the Chinese ceramic society Vol. 39 (2011), p. 127, (in Chinese)

Thus, it can be used as alternative materials of glass fiber, aramid fiber and carbon fiber.
CBF has a wide range of application, including reinforcing fibers of composite materials, heat insulation materials, filter materials.
References [1] Qiang Xu: Journal of Chong Qing Science and Technology Institute, Vol. 12 (2010), p. 135-137
[4] Cui Yihua , Textile Research Journal, Vol. 26 (2005), p. 57-60
[5] Guangjian Wang, Deku Shang, Linna Hu, et al: Composite Materials Research Journal, Vol. 21 (2004), p. 38-44

Laouer, Numerical Study of the Solidification of Phase Change Materials in a Rectangular Cavity: Effects of Convection and Aspect Ratio, Annales de Chimie : Science des Materiaux, 43 (2019) 1–9
Mahkamov, Solar energy storage using phase change materials.
Drzal, High latent heat storage and high thermal conductive phase change materials using exfoliated graphite nanoplatelets.
Series: Materials Science and Engineering 180 (2017) 012030 [16] R.
Liu, Theory and experiment of contact melting of phase change materials in a rectangular cavity at different tilt angles, International Journal of Heat and Mass Transfer, 120 (2018) 241-249