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Czernuszka: Materials Science and Technology Vol. 23 (2007), pp. 379-391 [29] G.
Hench: Journal of Materials Science Vol. 17 (2006), pp. 967–978 [32] J.R.
Boccaccini: Journal of Materials Science: Materials in Medicine Vol. 13 (2002), pp. 843-8 [37] H.
Koepsell, et al.: Journal of Biomedical Materials Research Part A Vol. 99A (2011), pp. 564-575 [48] J.A.
Hench: Advanced Engineering Materials Vol. 4 (2002), pp. 105-109 [50] S.

, dkvja@i.ua, em.m.koziar@nuwm.edu.ua Keywords: rare earth materials, phosphogypsum, mineral deposit, chemical materials, spectral analysis, element composition Abstract.
According to the materials of the Rivne exploration expedition in Rivne region more than 15.3 million tons of phosphogypsum materials in rock dumps are stored.
According to [27], it can be attributed to gypsum raw materials of the I range, since phosphogypsum contains from 80% to 98% of gypsum.
International Journal of Engineering Research in Africa, (35), 77-88
Journal de Physique IV (Proceedings), (134), 977–982

Experimental Materials Phosphoric acid was supplied by Kunshan Comey Chemical Co., Ltd.
Results and discussion Effects of reaction time and mole ratio of raw materials on char yield and inflation of IFR It can be seen from Figure 1 that the char yield was the greatest at any mole ratio of the raw materials at the reaction duration of 4 h.
Journal of Applied Polymer Science.
Journal of Applied Polymer Science.
Journal of Applied Polymer Science.

A series of different generation hyperbranched polyurethane(HBPU) was synthesized based on the raw materials of isophorone diisocyanate(IPDI) and diethanolamine(DEOA).
With the further study of hyperbranched polymer, research in different generation hyperbranched polymer is attractive in the field of functional polymer materials[5,6].
Experimental Materials Isophorone diisocyanate(IPDI) is an industrial reagent grade from Bayer; Diethanolamine(DEOA), Dibutylamine(DBA) and N,N-dimethylformamide(DMF) (AR, Guangzhou Reagents Co.
Journal of Applied Polymer Science, 2011, 120(2):725-734
Journal of Applied Polymer Science, 2011, 121(2):957-963

Bending properties of three-layer biaxial weft knitted fabric reinforced composite materials Yexiong Qi1,a, Jialu Li1,b, Liangsen Liu1 1Composites Research Institute of Tianjin Polytechnic University & Tianjin and Education Ministry Key Laboratory of Advanced Textile Composite Materials, Tianjin 300160, China aemail:qi_ye_xiong@163.com, bfhcls@tjpu.edu.cn Keyword: Three-layer biaxial weft knitted fabric, composite materials, bending strength, bending modulus Abstract.
The bending properties of the TBWK fabric reinforced composite materials with different fiber volume fraction have been investigated.
Mostly, soft yarn with finer yarn count (5 ~ 50tex), high fracture strength and high shear strength, is used as knitting yarn, such as polyester, Kevlar and other materials.
[3] Mevlut Tercan, Osman Asi, et al: Materials and Design 28(2007), p. 2172
[4] Liangsen Liu, et al: Journal of Tianjin Polytechnic University, 20 (2001), p. 21, in Chinese.

Acknowledgements This work was financially supported by natural science foundation research projects of high institutions in jiangsu province（BK2010203）.
Journal of Chongqing University, 1994,17 (5): 143~146
Journal of Beijing University of technology, 1998,24 (2): 12~20
Journal of chongqing university (natural science edition), 2001; 24 (2) : 9 [15] FanYanHua, DouYanLing.
China journal of biomedical engineering, 2003, 37 (1) : 60~ 64

Beijing Department of Materials Engineering Tsinghua University (2002)
Electronic Components & Materials. 5 (1993) 58
Practical utilization of low melting alloy thermal interface materials[C]// IEEE.
Mechanical Engineering Materials. 4 (1981) 30-34
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For example, production quality controls raw material quality control. 
[2] Xu Jin,Yu Da Tao,et al.Implementation of marine environment monitoring data quality control system.Advanced Materials Research, v 926-930, p 4254-4257, 2014
Strategies on accelerating agricultural modernization-taking Tongnan county as an example.Advance Journal of Food Science and Technology, v 5, n 9, p 1132-1138, 2013
The dynamic quality control method based on relation analysis.Applied Mechanics and Materials, v 307, p 433-436, 2013
Advanced Materials Research, v 838-841, p 2092-2097, 2014

Recently, the use of high temperature materials are became more common in different types of engineering activities.
References [1] R.Gao, T.Zhang, H.L.Ding, Y.Jiang, X.P.Wang, Q.F.Fang, C.S.Liu, Annealing effects on the microstructure and mechanical properties of hot-rolled 14Cr-ODS steel, Journal of Nuclear Materials, 465, 2015, 268-279, https://doi.org/10.1016/j.jnucmat.2015.05.038 [2] O.
Svoboda, Investigation on New Creep and Oxidation Resistant Materials, Materials and technology, 49 (2015) 4, 173-179, doi:10.17222/mit.2014.210 [3] O.
Baluc, Influence of hot rolling and high speed hydrostatic extrusion on the microstructure and mechanical properties of an ODS RAF steel, Journal of Nuclear Materials, 409, 2011, 86-93
Pastor, Effect of Ti and TiC alloyants on the mechanical properties of W–based armour materials, Journal of Nuclear Materials, 514, 2019, 238-246, https://doi.org/10.1016/j.jnucmat.2018.12.001

During their high specific strength (strength-weight ratio) composite materials have been tried out for possible replacement.
Many researchers were devoted on various composite materials in the automobile application.
Among the composite materials, G-CFRP exhibits possible response.
[4] G.Siva Shankar, S.Vijayarangan, Mono composite leaf spring light weight vehicle –Design, end joint analysis and testing, International journal of material science, (2006) Vol 12
International Journal of Innovative Research in Science, Engineering and Technology, Vol 2, Issue5, (2013).