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Introduction With the development of technology and continuous appearance of new materials, the materials of pillow on the market are increasingly rich.
The feather pillow had poor effect compared other materials.
The materials were filled in the pillowcases with 600mm length, and 350mm width, and 50mm height.
There has relatively apparent difference between the pillow materials.
[3] Person I, Moritz U, Neck support pillows: Journal Manipulative Physiological Therapeutics, Vol. 21 (1998) No.4, pp.237-240

Study on Physical Training Approach based on Multimedia and smart materials ChangJun Tian Xi'an International University Xi'an Shanxi, 710077, China e-mail: tianchangjun332@163.com Keywords: Multimedia technology, Physical training, Multimedia data, Platform Abstract.
With the support of the multimedia technology based platform, teachers can organize knowledge adequately by the multimedia first, and then they can broadcast their teaching materials through Internet.
Journal of Sports and Science 24:75-76 [4] Xiao Long, Liu Yinbin (2005) a tentative plan for the reform of P.E course selecting model in colleges and universities making use of the school network.
Journal of Capital Institute of Physical Education 17:107-113 [5] Zheng Jie (2004) the new concept of P.
Grosky, Utz Westermann (2008) Multimedia Education in Computer Science: A little Bit of Everything Is Not Enough, Multimedia.

There are presented aspects regarding the welding of ferrous metal materials (DD13), couples of non-ferrous metallic materials (Al Cu range) and steels with aluminum.
For welding tools, the optimal materials, sizes and geometries are adapted for each couple of materials to be welded and for each developed FSW welding technology.
Hirsch – Automotive Trends in Aluminium – The European Perspective, Materials Froum Vol. 28, Institute of Materials Engineering Australasia Ltd, 2004 [2] T.
Ionescu – „Innovative solutions for ultrasonic joining“, Welding and Material Testing Journal, Year XXVI, No. 1, pp. 3-5, 2017, ISSN 1453-0392, 2017
Ciucă – Application of Thermography in Materials Science and Engineering, Chapter in the book: Raghu Prakash “Infrared Thermography”, pp.27-52, available at http://www.intechopen.com/books/infrared-thermography, ISBN: 978-953-51-0242-7, Publisher InTech, March, 2012

Latanision, Corrosion of rapidly solidified neodymium-iron-boron (Nd-Fe-B) permanent magnets and protection via sacrificial zina coatings, Materials Science and Engineering A.198(1-2) (1995) 25-31
Luis, A study on the machining parameters optimization of electrical discharge machining, Journal of Materials Processing Technology. 143-144 (2003) 521-530
Villa, Material removal rate and electrode wear study on the EDM of silicon carbide, Journal of Materials Processing Technology. 164-165 (2005) 889-895
Wei, Ultrasonic and electrical discharge machining to deep and small hole on titanium alloy, Journal of Materials Processing Technology. 20 (2002) 101-110
Journal of Magnetism and Magnetic Materials.152 (1-2) (1996) 40-46.

Materials and Methods Basically, there are three types of materials used in this research, there are clay, sand and rice husk ash.
Table 1 shows the chemical composition of materials used in this research.
Rahman: International Journal of Cement Composites and Lightweight Concrete; 9(2) (1987), p.105-108 [5] Agbede I.O.: American Journal Of Scientific and Industrial Research; Vol. 2(4) (2011), p.674-677 [6] Chandrasekhar Sathy: Journal of Material Science.
Wattanasiriwech: Journal of Science Asia, Vol. 33 (2007), p 125-130 [9] Lugwisha EHJ.: Tanzania Journal of Science.
Cheeseman: Journal of Hazardous Materials, Vol. 171, p.76–82

Zhang, et.al.: Insulating Materials,Vol.2(2003),p.13
Liang: Insulating Materials,Vol.6(2003),p.47
(Natural Science Edition).
Di, et.al.: Insulating Materials,Vol.42 (2009),p.31
JI, et.al.: Journal of Functional Materials, Vol.41(2010),p.394.

Materials Science and Engineering: A 286.1 (2000): 169-178
Materials Science and Engineering: A 366.1 (2004): 206-209
Materials Science and Engineering: B 97.1 (2003): 106-110
Journal of materials science 46 (2011): 3669-3686
Journal of Materials Science: Materials in Electronics 27 (2016): 5622-5627

The results show that the moist fine materials have complex physical properties and the theory of dry deep screening needs further improved.
Materials are thrown into the sieve under the action of the eccentric force.
Vatanatham: Chemical Engineering Science Vol.62 (2007), p.232-245
Liu: Journal of Mining Institute of China (1987), p.76-83
Sun: Journal of University of Science and Technology Beijing Vol.21 (1999), p.224-226

Characterization of Brittle Phase in Magnesium Based Materials Prepared by Powder Metallurgy Michaela Krystýnová1,a*, Pavel Doležal1,2,b, Stanislava Fintová1,3,c, Josef Zapletal2,d, Tomáš Marada2,e and Jaromír Wasserbauer1,f 1Materials Research Centre, Faculty of Chemistry, Brno University of Technology, Purkyňova 464/118, 612 00, Brno, Czech Republic 2Institute of Materials Science and Engineering, Faculty of Mechanical Engineering, Technická 2896/2, 616 69, Brno University of Technology, Brno, Czech Republic 3Institute of Physics of Materials Academy of Sciences of the Czech Republic, Žižkova 22, 616 62, Brno, Czech Republic axckrystynovam@fch.vut.cz, bdolezal@fme.vutbr.cz, cfintova@ipm.cz, dzapletal@fme.vutbr.cz, emarada@fme.vutbr.cz, gwasserbauer@fch.vut.cz Keywords: Powder metallurgy, magnesium, zinc, Laves phase, microhardness.
LO1211, Materials Research Centre and by Project No.
Vojtěch, Effect of sintering conditions on the microstructural and mechanical characteristics of porous magnesium materials prepared by powder metallurgy, Materials Science and Engineering, 35 (2014) 21-28
Hashmi, Comprehensive Materials Finishing, first ed., Elsevier, Ireland, 2016
Upadhyaya, Powder metallurgy technology, Cambridge, Cambridge International Science Pub, 1997

Experimental Details Materials.
ICT1210), and Science Foundation of State Key Lab of Silicon Materials (project No.
Ensafi: Materials Science and Engineering C Vol.37 (2014), p.113 [8] L.
Kumar: Journal of Membrane Science Vol.454(2014), p.359 [20] S.
Yang: Journal of Colloid and Interface Science Vol.418(2014), p.171 [31] R.