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Thus, analyzing raw materials, construction materials and final products, it is always possible to find an optimum variant for reducing the radioactivity parameters.
The objects under control should include territories, quarries, construction raw materials, construction materials, structures and, finally, buildings and constructions [4, 5].
Dissertation thesis for Doctor of Technical Sciences degree.
Scientific and Informational Journal. 3 (199697). - 1997. – p. 66-73
Radon safety of buildings. – Yekaterinburg: the Urals division of Russian Academy of Sciences, 2000

Opening Process At first, the relative comparison of materials was performed.
Jun Kawai, Materials & Design, 22(2001), p.111 2.
Duval, Journal of Materials Processing Technology, 50(1995), p.133 4.
Han, Key Engineering Materials, 183-187(2000), p.547 5.
Hisashi Takeuchi, Journal of Materials Processing Technology, 38(1993), p.635 6.

Introduction Clinching is a cold forming process for the joining of metal sheets or other material.
However, Image processing is a fully non-destructive and non-contact measurement tool and it has been widely used to examine the deformations of engineering materials [4,5].
[2] Zheng Junchao, He Xiaocong, Finite element analysis of energy saving jointing method base on energy materials: Clinching, Advanced Materials Research, 577 (2012), 9-12
Materials review, 5(2012), 140-143
[5] Li Gang, He Shuanhai, Ju Yongfeng, Image-based method for concrete bridge crack detection, Journal of Information and Computational Science,8(2013), 2229-2236.

Production of nano leaded brass alloy by oxide materials I.
Vahdati3, c 1 School of Materials Engineering & Metallurgy, Iran University of science & Technology, Tehran, iran 2 Faculty of Materials Engineering & Metallurgy, Amirkabir University, Tehran, Iran 3 Faculty of Materials Engineering & Metallurgy, University Ferdowsi of Mashhad a farahbakhsh@iust.ac.ir, btabaian@aut.ac.ir, cjvahdati@iust.ac.ir Key words: Lead bearing brass, reduction reaction thermodynamic, mechanochemical process, graphite Abstract: Mechanochemical process was applied for brass alloy production using chemical grade oxide powders.
In this study, formation of leaded brass by mechanochemical method is investigated using metal oxides and graphite as starting materials.
Suryanarayana, "Mechanical alloying and milling ", Progress in Materials Science, Vol 46, (2001) [2] M.
El-Eskandarany, "Mechanical Alloying for Fabrication of Advanced Engineering Materials", William Andrew Publishing, (2001)

It has been accepted that compositions and microstructures significantly affected dielectric properties of materials.
Numerous researches reported effects of grain size and doping on dielectric properties of perovskite materials [1-13].
Equipment supports from the Department of Materials Engineering, Faculty of Engineering, Kasetsart University, and the Department of Science Service, Ministry of Science and Technology, Thailand are gratefully acknowledged.
Wang, High-temperature dielectric properties of (Al, Nb) co-doped SrTiO3 ceramics, Materials Letters, 180 (2016) 256-259
Materials Characterization. 60(4) (2009) 322-326

Journal of Materials Science. 2018;53(22):15514-29
Materials Science and Engineering: A. 2008;475(1–2):39-44
The new materials science diffractometer STRESS-SPEC at FRM-II.
New Developments of the Materials Science Diffractometer STRESS-SPEC.
Materials Science Forum. 2017;905:151-6

Demanufacturing comparing to remanufacturing, aims to minimize disposal by using the possible parts and materials like tires or printer cartridges while remanufacturing more focuses on refurbishing to maintain the original design, like automotive parts [23].
Winkler, CIRP Journal of Manufacturing Science and Technology,Vol. 4 (2011), p. 243-246
Souza, Decision Sciences,(2012)
Agrawal, et al., Management Science,Vol. 58 (2012), p. 523-533
,Journal of Materials Processing Technology,Vol. 138 (2003), p. 349-356

The Thermal Insulation Design for Refuge Chamber Wang Cancai1, a, Chang Degong2,b 1School of Polymer Science and Engineering, Qingdao University of Science and technology, Qingdao, China 2College of Electromechanical Engineering, Qingdao University of Science and technology, Qingdao, China accwang517@126.com, bhyg867@163.com Keywords: refuge chamber; thermal insulation; heat transfer; heat radiation Abstract.
Mineral wool and acrogel were used as the heat insulation materials because of their excellent heat insulation and fire resistance capability.
Table.1 Parameters of heat insulation material material density [Kg/m3] Thermal conductivity [W/m·K] Specific heat capacity [J/(kg·K)] Q345 steel 7800 50 480 acrogel 208 0.020 400 Mineral wool 50 0.038 0.22 aluminium silicate 100 0.038 0.2 After selected the materials, the next thing is to determine the dimensions of each layer.
The price of materials is the most important thing that the manufacturer concerns.
Journal of University of science and technology Beijing.

The geometry detail is shown in Fig. 3, and material properties in Table 1.
Acknowledgement This research was supported by the National Natural Science Foundation of China (50909021, 51169003), the Major Projects of Guangxi Natural Science Foundation (2012GXNSFEA053002), the Systematic Project of Guangxi Key Laboratory of Disaster Prevention and Structural Safety (2012ZDX05).
References [1] Don ZR, Zhao QF and Song CC: Journal of Pressure Vessel Technology, Vol. 112 (1990), p. 57-64
[2] Wei Zhang, Hegao Wu, Kai Su: Journal of Hydroelectric Engineering, Vol. 24(2005), p. 70-74, in Chinese
[3] Wei Zhang, Hegao Wu: Journal of Hydroelectric Engineering, 27(2008), p. 73-78, in Chinese

Clay is one of the naturally occurring materials which can impart many thermal and mechanical properties into the final products.
Experimental Materials and Method.
Abu Bakar, Epoxidized natural rubber-organomodified montmorillonite nanohybrids; interaction and thermal decomposition, Materials Science Forum. 756 (2013) 119–126
Pharr, An improved technique for determining hardness and elastic modulus using load and displacement sensing indentation experiments, Journal of Materials Research. 7 (1982) 1564–1580
He, Nanoindentation and morphological studies of epoxy nanocomposites, Macromolecular Materials and Engineering. 291 (2006) 1358–1366