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Preface The volume contains selected peer-reviewed papers presented at the AMS-Workshop “Advances in Materials Sciences-2020”, which took place in the framework of the III International Conference on Advanced Technologies in Aerospace, Mechanical and Automation Engineering - MIST: Aerospace-III-2020 on November 20-21, 2020 (Krasnoyarsk, Russian Federation).
The main topics cover urgent researches and recent results in polymer and metal composites; dispersed materials; metallurgy and metal science, heat treatment of metals and alloys; corrosion and metal protection; tests, diagnostics and quality control of materials; structural and technological strength and performance of materials; materials science problems of the utilization of equipment, machinery, structures and metal waste.
The Conference was jointly organised by the International and Russian Union of Scientific and Engineering Associations (Moscow, Russia), Krasnoyarsk Regional Union of Scientific and Engineering Associations, and Krasnoyarsk Science and Technology City Hall.
We chose the Materials Science Forum to provide all contributors with the opportunity to publish their papers in an international, peer-reviewed journal.
The volume will be useful for a wide range of scientists and specialists of research institutes, design organizations, industrial enterprises, and educational institutions interested in materials science.

Thinking about the available process paths from raw materials to finished products, there are different equipments, raw materials or semi-manufactured products to couple the material requirements planning with task accreditation planning, therefore, some model algorithms will not work or be hard to find the solution.
In the course of modelling, there is some hypothesis as following: (1)Provided that infinite materials, energy, information and manpower resource expect to export in the source point, while there is an infinite storage to store these materials, energy, and information and manpower resource
(2)Provided that intermediate points with no ability to store materials, energy and information, just play a role of transportation
The subset of Apex set VS ⊂ is supporting or selling materials, which is intituled as Source Points, nonnegative number iD indicates the supporting ability or selling ability of apex , Si ∈ , and nonnegative number ip indicates the bargain price of apex Si ∈ .
Foundation of China (58075190) and Key Laboratory of Metallurgical Equipment and Control of Ministry of Education in Wuhan University of Science and Technology (2009A08) .

In this experiment, Hydroxyapatite (HA) materials were made using natural source extraction process.
Acknowledgement The authors would like to acknowledge Centre of Advanced Manufacturing and Materials Processes (AMMP), University of Malaya, for providing their kind assistance on SEM/EDX analysis in this project.
Toque, The influence of sintering temperature on the properties of compacted bovine hydroxyapatite, Materials Science and Engineering C 29 (2009) 1674–1680
Castro, Hydroxyapatite-based materials of marine origin: A bioactivity and sintering study, Materials Science and Engineering C 51 (2015) 309–315
Ibrahim, Removal of lead ions using hydroxyapatite nano-material prepared from phosphogypsum waste, Journal of Saudi Chemical Society (2014)

Journal of Wuhan University of Technology (Materials Science Edition). 2009, 24(4): 677-683
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Introduction Liquid crystal elastomers (LCE) are hybrid materials composed of liquid crystals (LC) and elastomers.
Elastomers are crosslinked polymer chains that have elastic properties and liquid crystals are mesogenic materials that have orientational order properties, so LCE have combination properties of both substances [1-5].
Urayama, Electro-Opto-Mechanical Effects in Swollen Nematic Elastomers, in: W.H. de Jeu, Liquid Crystal Elastomers: Materials and Applications, Springer-Verlag, Heidelberg, (2012)119-145
Murthy, Effect Of Cross-Link Density On The Nematic–Isotropic Phase Transition In Liquid Crystal Elastomers, Computational Materials Science.
Turkish Journal of Mathematics, Vol. 13 (2013)1001-1021

Clogging is mainly due to materials accumulation and the microbe growth within the substratum pores that caused remarkable reduction of hydraulic conductivity, then leads clogging.
Particle shape and material also influence the hydraulic conductivity.
Vol. 16(2000), p. 199 [7] Madigan, M.T., Martinko, J.M., Brock, T.D., Pearson Prentice Hall, Upper Saddle River. (2006) [8] IWA Specialist Group on Use of Macrophytes in Water Pollution Control, London, United Kingdom: IWA Publishing. (2000) [9] Jianfeng Ye, Zuxin Xu, Huaizheng Li, Environmental science, Vol. 6(2008), p. 1508 [10] Lianfang Zhao, Zhu Wei, Journal of Environmental Sciences, Vol. 21(2009), p. 750 [11] Puigagut, J., Caselles-Osorio, A., Vaello, N., Garcia, J., In: Vymazal, J.
Vol. 35 (2009), p. 1216 [20] Fan Guisheng, Xing Tixian, et al, Journal of Taiyuan University.
L.Zon, Y.H.Sun, Y.H.Li, Journal of Hazardous Materials, Vol. 163(2009), p. 816 [25] Xiong J.B, Mahmood Q, Desalination, Vol. 4(2010), p. 1 [26] Dennis Konnerup.

At present, phase change energy storage materials such as the research focus on the new storage material development and thermal physical property.
With the rapid development of nano materials and nano technology, new nano storage materials have caused the people's extensive concern [1-4].
International Journal of Thermal Sciences, 2007, 46: 57-66
International Journal of Thermal Sciences, 2007, 46: 1-19 [5] Choi S U S.
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Nano-TiO2 is also one of the most active inorganic nanometer materials in organic material modification and application.
Materials and methods Anatase-type nano-TiO2 modification.According to literature of Xianwen, T (Xianwen, 2003), 5.00g of Nano-TiO2 (<200nm) was added into 700ml water and the pH value was adjusted to 5.0.
Plant materials.
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The Effects of Nano Pt/Carbon Black Compound Coating on the Electro-catalysis Properties of the Graphite Electrode Lou Baiyanga, Zhou Hanb and Xu Binc Institute of Materials and Surface Engineering, Zhejiang University of Technology, Hangzhou 310014, P.R.
Introduction Direct alcohols fuel cells have become one of the hotspots of international materials and energy fields because of its merit of abundant resources, high theoretical energy density and convenience in storing and carrying [1-3], especially the direct methanol fuel cell and the direct ethanol fuel cell have been concerned and studied [4-6].
Experimental materials and methods The basic material of specimen is graphite electrode.
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Materials and methods Material and equipment.
Sbaffoni, The potential of compost-based biobarriers for Cr(VI) removal from contaminated groundwater: Column test, Journal of Hazardous Materials. 166(2009) 1087-1095
Lo, Environmental life cycle assessment of permeable reactive barriers: effects of construction methods, reactive materials and groundwater constituents, Environmental Science & Technology. 45(2011) 10148-10154
Wu, Treatment of bromoamine acid wastewater using combined process of micro-electrolysis and biological aerobic filter, Journal of Hazardous Materials. 162(2009) 1204-1210
Wietsma, Zero-valent iron for the in situ remediation of selected metals in groundwater, Journal of Hazardous Materials. 42(1995) 201-212.