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Saveliev, Study insulating and cooling properties of the material on the basis of crushed foam glass and determination of its extinguishing characteristics with the attitude to alcohols, Materials Science Forum. 1006 (2020) 62–69.
Sharshanov, Simulation of the insulating properties of two-layer material, Functional Materials. 25/4 (2018) 774–779.
Materials Science Forum, 1006 (2020) 25–31.
Yavorska, Research into surface properties of disperse fillers based on plant raw materials, Eastern-European Journal of Enterprise Technologies. 5 (12 (89)) (2017) 20–26.
Bezuglov, Mathematical Modeling of Fire-Proof Efficiency of Coatings Based on Silicate Composition, Materials Science Forum. 1006 (2020) 70–75.

As novel carbon materials the carbon nanotubes are of great interest within the field of material science research.
The UL-94 test is commonly used to determine the ignition resistance of materials.
Popov: Materials Science and Engineering43（2004）61
[15] Xiaolin XIE, Yiuwing MAI and Xingping ZHOU: Materials Science and Engineering, 2005, 49(4), 89
Chung: Journal of Colloid and Interface Science, 2005, 286(1), 216

It builds a sample variable space partitioning model according to the original materials’ tensile strength.
During the cold rolling process, original materials are subjected to repeated rolling deal, and subjected to an integrated complex constraint.
Dividing Variable Space according to Original Materials’ Tensile Strength When predicting the mechanical performance of cold rolled ribbed steel bars, if it builds a RBP neural network prediction model in the whole space range of original materials’ tensile strength, which equivalent of solving global extreme of nonlinear function between the original materials’ tensile strength and product performance parameters, it is likely to fall into local extreme and causes the fail of network’s training.
Luo: Optimization Theory Methods and Solving Software (Science Press, China 2006) (In Chinese) [4] X.H.
Wang: Chinese Journal of Chemical Engineering, (2007) No.2, pp. 240-246.

Introduction Photo-acoustic spectroscopy is a new kind of spectroscopic techniques using the photo-acoustic signal of materials after the absorption of light which has widely applied in materials science[1-5], biomedical [6-8], agriculture, and forestry, respectively.
Journal of Optoelectronics Laser,1, 204 (1990) (in Chinese) [2] Q.
Laser Journal, 23, 81 (2002) (in Chinese) [9] Z.
Journal of Inorganic Materials, 10, 381(1995) [10] S.
Science, 190, 556 (1975) [12] A.

However, the process for preparation sodium ascorbate mentioned above has some defects such as long reaction cycle, low conversion rate, high cost of raw materials and poor quality of crude sodium ascorbate product.
Experimental procedures At first, put 130 gram 2KLG and 1000 milliliter methanol into a clean four-mouth flask, then add 5 gram concentrated sulfuric acid and mix the materials.
In addition, the use of sodium carbonate reduces the cost of materials and has good potential applications.
Yi: Journal of Biological EngineeringVol. 2, Iss.4 (1986) , p. 17-21.
Yang, etc.: Journal of Hebei University of Science and Technology Vol. 32, Iss.3 (2011) , p. 281-284.

Above the two types of high-frequency fatigue testing machine are unfit for the detection of small, hard and brittle materials components or components under high frequency force [2].
The PZT and PMN materials with structure of three element solid solution were developed by piezoelectric material institute in Tokyo Institute of technology in 2000.
[9] J.E.Butler, J.Keating:Materials and Structures, vol.14(1981), p.25-33
:Journal of Nuclear Materials,vol.307-311, (2002), p.1613-1618
[19] S.Saito, K.Kikuchi, Y.Onishi, etc..: Journal of Nuclear Materials, vol.307-311(2002),p.1609- 1612.

The composite materials can be defined as the materials coming from mixing two or more substances with different properties to produce new ideal properties that are different from the properties of the materials included in the composition process, even if it is a single substance [5].
Hussain, “Mechanical and physical properties of epoxy and polyester compositions Unsaturated is fortified with glass fibers and Alumina nanopowder”, Journal of Education and Science, Vol. 28,No. 1 , (2019)
Series: Materials Science and Engineering 433 (2018) 012071 doi:10.1088/1757-899X/433/1/012071
[9] A.M.Ahmed,A.N.Mahmood,R.M.Yousu,“Physical Thermal Effect Test for Treatment of Polystyrene Plastic Waste”,Rafidain Journal of Science,Vol.29,No.4,(2020),pp.32-43
Chawla, “Composite Materials” springer-verlag , NewYork , Inc, (1987)

The corrosion properties of silver coated different implant materials were compared.
Preparation of silver coated implant materials Titanium alloy (TiAl6V4), CoCrMo alloy and stainless steel discs (17 mm × 1 mm) were used as substrates.
Attar: Antibacterial effects of electrically activated vertebral implants, Journal of Clinical Neuroscience 15 (2008) 434–439
Oh: Characteristic of silver doped DLC films on surface properties and protein adsorption, Diamond and Related Materials 17, (2008) 252
Zirkle: Antimicrobial particulate silver coatings on stainless steel implants for fracture management, Materials Science and Engineering C 32 (2012) 1112–1120

Material and Methods Research Area.
From the spatial distributions of 6 HMs, it could be discovered the soil parent materials and anthropogenic factors played important roles in natural and vegetable soil heavy metal concentrations of Guilin and the effects of these two factors varied with the HMs.
Huang: submitted to Journal of Environmental Earth Sciences (2012) [3] M.E.
Binns: submitted to Journal of Science of the Total Environment (2004) [4] J.
Tang: submitted to Journal of Journal of Agro-Environment Science (2012) [21] Z.Z.

Materials parameters were listed in the Table 2 were input to the software.
Morgeneyer, Jacques Besson: Computational Materials Science. 50(2011)1365-1371
[3] Tolga Dursun, Costas Soutis: Materials & Design. 56(2014)862-871
[6] Soo-Ik Oh, Byung-Hee Jeon, Hyun-Yong Kim, Jae-Bong Yang: Journal of materials processing technology. 174(2006)42-55
Nielsen: Journal of Materials Processing Technology. 151(2004)165-177