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The natural frequencies of two materials are compared experimentally.
The physical properties of composite materials are generally not isotropic in nature, but rather are typically anisotropic.
This quality is seen in the basalt composite materials.
II .MATERIALS AND FABRICATION Materials Basalt roving and glass roving are used for fabrication of filament wound pipes.
Prediction of Composite Vessels under Various Loadings, Master of Science thesis.

International Journal of Composite Materials.
International Journal of Composite Material.
Construction and Building Materials.
Materials Research.
Materials Science & Engineering.

Beijing: science press, 2007
Materials of laser processing [M].
Beijing: science press, 1982.W.
Laser Processing and Analysis of Materials[M].
Journal of Heat Transfer, 2010, 97(3):333~340

Glass could not be replaced by other transparent materials for a long time in the future because of its transparent, mature manufacturing and processing technology, lower cost than polymer materials and more additional functions.
The factory could realize the self-supply of most raw and auxiliary materials.
Journal of Environmental Science, 2017, 37 (08):3213-3219
Article in Journal of Environmental Sciences ,1997 ,01
University of Chinese Academy of Sciences, 2013

The raw materials were tin, silver and copper powders in micron size.
Unfortunately, the Pb based materials have toxic properties and may be harmful to health and environment [1].
Additionally, powder metallurgy offers better advantage on top of ingot metallurgy in terms of quality, cost, precision, productivity as well as by its ability to conserve raw materials through a high level of material consumption [4].
Experimental Procedure The elemental materials used in this study were 99.8% trace metal basis of Sn powder (<45 µm), 99.9% metal basis of Ag powder (5-8 µm) and 99% of Cu powder (45 µm).
R., Wettability, electrical and mechanical properties of 99.3Sn-0.7Cu/Si3N4 novel lead-free nanocomposite solder, Advanced Materials Research. 277 (2011) 106-111

It provides the region with cheap raw materials and considerable wealth.
Forssberg: submitted to Journal of Hazardous Materials (2003) [4]Y.
Wu: submitted to Journal of Southwest China Normal University (2007) [5]W.L.
Angelone, et al.: submitted to Science of the Total Environment (2002) [7]Y.M.
Costa, T.B.Ramos, et al: submitted to Ecological Indicators(2005) [10]Z.J.Xu, C.H.Wu, F.Liu, et al.: submitted to Journal of Hunan University of Science & Technology (Natural Science Edition) (2007)

,,and follow the Hertzian elastic solution .E is elasticity modulus of the material. h is plastic modulus of the material. v is poison ratio of the material.
Cutting materials was employed with aerospace aluminum alloy 7050 -T7451.
International Journal of Material Forming ,2010 , 3 :431–4
International Journal of Mechanical Sciences ,2000 ,42 :1069–1086
International Journal of Mechanical Sciences ,2005 ,47:1611–1628

Both materials were sintered at 1250 °C.
As compared to pressureless sintering, hot-pressing and ultra fine WC-materials resulted in denser materials and consequently hardner specimens.
Materials Technology 14 (1) (1999) 17-24
Science, 35, (2000),2201-07
[13] Pasotti, M.R.R, Bressiani,A.H.A, and Bressiani,J.C, Sintering of alumina-niobium carbide composite International Journal of Refractory Metals & Hard Materials 16 (1998) 423-427

Materials and Methods Materials.
Nkomo, Development of Starch/Keratin/Chitosan Composite Material as a Substitute for Polystyrene in Food Packaging, Journal of Polymer & Composites 7(3) (2019) 1–7
Nguyen, Characteristics of HPMC/Beeswax Edible Composite Film and its Application for Preservation of Seedless Lime Fruit, Key Engineering Materials 850 (2020) 87-93
Nguyen, Effect of HCl-Alcoholic Treatment on the Modification of Jackfruit (Artocarpus heterophyllus Lam) Seed Starch, Materials Science Forum 991 (2020) 150-156
Nguyen, The Influence of Composition of Raw Materials on Formation of Phenolic Resin from Cashew Nut Shell Waste (CNSW), Defect and Diffusion Forum 394 (2019) 103-108 [21] C.

Experimental investigations were conducted on a laboratory scale biofilter, containing mixture of compost and polystyrene inert particles as the filter materials.
Nutrient solution consisted of (g/L): K2HPO4,0.8; KH2PO4,0.2; CaSO4·2H2O, 0.05; MgSO4·7H2O,0.5; (NH4)2SO4,1.0; and FeSO4·7H2O, 0.01 in water. [3] Filter materials The packing material for the bed consisted of a mixture (60:40 v/v) of sieved compost (4 mm and 10mm size granules, 1:1 ratio) and polystyrene inert particles (4 mm size).
The filter material was supported by perforated plate.
(In Chinese) [2] Yanmei Lei, Peishi Sun, Xianhua Wu, Pin Hu and Jie Wang: Journal of Kunming of Science and Technology(Science and Technology).
(In Chinese) [4] Yanmei Lei, Peishi Sun, Xianhua Wu and Jun Li: Journal of Yuxi Teachers College.Vol.20(2004),pp.5-9.