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In this study only the phases of materials and production were considered in the system’s boundary (cradle-to-gate) that is the most used in LCA studies of concrete [4].
In this phase of the material characterization, one can state that the concrete with fly ash incorporated may be classified as an eco-material (eco-concrete) considering that the environmental issues that are minimized are waste reduction, reduce of landfill problems and resource saving by the utilization of recycled materials.
These benefits are reflected in two of the life cycle steps, namely the extraction of materials (resources) and in the eco-concrete manufacturing.
Coelho: Life cycle assessment (LCA) applied to the manufacturing of common and ecological concrete: A review, Construction and Building Materials 124 (2016) 656-666
Wang, various authors: A review of life cycle assessment of recycled aggregate concrete, Construction and Building Materials 209 (2019) 115-125

One is to found the science model for scenario attributes and environmental impact.
Journal of Cleaner Production Vol. 10 (2002), P. 403-406 [4] Information on http://lct.jrc.ec.europa.eu/eplca [5] Shannon M.
Journal of Industrial Ecology, Vol. 11(1) (2007), P.161-179 [6] Lindfors, L.
(Copenhagen, Denmark, 1995) [7] Hendrickx L. and Nicolaij S.: Journal of Environmental Psychology, Vol.24 (2004), P. 409- 422
Advanced Materials Research Vols. 97-101 (2010), P. 2338-2342 [11] Mark A.

Experimental study on preparing ecological building mortar by using solid waste ChaoYong Yan1,a, ZhiHua Li2,b and XiaoMin Deng3,c 1Hubei University of Arts and Science; No.296 Longzhong Road, Xiangyang Hubei,P.R.China 2Xingtai Xingheng Highway Management Bureau, Xingtai Hebei, 054000, P.R.China 3China National Building Materials Group Corporation; No.2 Zizhuyuan South Road, Haidian District,Beijing P.R.China aemail: ycy5605@yahoo.com.cn, bemail: 750190416@qq.com, cemail:dengxm864@163.com Corresponding author：XiaoMin Deng; Research direction: the new building materials.
Introduction Building mortar is widely used in masonry, plastering, repair, grouting and sticking decorative materials engineering, and is a large amount of the building materials in construction, the main materials for preparation of building mortar are cement and sand.
TEST Raw materials
(1)Preparation of eco-cement: slag powder and fly ash are used as the basic materials, and lime, gypsum and compound activator are added to prepare the clinker-free, waste-slag eco-cement
Journal of Wuhan University of Technology, v31 (7), 15-18

Materials and Samples The tested cementitious materials were composed of Portland cement CEM I 42.5R from Radotín.
The surfaces of cementitious materials were provided with a groove.
Components of self-healing agent for treatment of cementitious materials.
Prošek: The effect of temperature on bacterial self-healing processes in building materials, In: IOP Conference series: Materials Science and Engineering.
Van Vliet: On the use of nanoindentation for cementitious materials, Materials and structures Vol. 36 (2003) p. 191-196

The composite TiO2/natural cotton nanofiber materials were prepared by electrospinning and RF magnetron sputtering.
For instance, adding inorganic functional materials is one of the hot spots of research in recent years.
As a consequence, for the past few years, how to rearrange the fiber molecular and make it effective compound with inorganic functional materials to prepare the specific properties of nanomaterial is the frontiers of Materials Science [1-2].
Experimental Chemicals and Materials: Cotton linters cellulose（DP=12000）was gotten from Zhejiang Academy of Agricultural Sciences.
[5] C.R Li*, S.X Shu, Journal of Applied.Polymer.Science(Under publish)

Le-Huu, et al.: Materials Science Forum, vol. 645-648 (2010), p. 1143-1146 [2] P.
Neudeck, et al.: Materials Science Forum, vol. 645-648 (2010), p. 1135-1138 [3] P.
Carter, et al.: Materials Science and Engineering: B, vol. 61-62 (1999), p. 1-8 [18] W.
Capano, et al.: Journal of Electronic Materials, vol. 29 (2000), p. 210-214 [22] C.
Troffer, et al.: Materials Science Forum, vol. 264-268 (1998), p. 557-560 [24] T.

The fabricated materials were mixed with copper powder to obtain various volume fractions.
Graphene and copper are two distinct but complementary electrical conductor materials in terms of carrier concentration and mobility of the material.
Guan, Tribological properties of copper matrix composites reinforced with homogeneously dispersed graphene nanosheets, Journal of Materials Science & Technology 34(10) (2018) 1925-1931
Reports, Recent progress in the development and properties of novel metal matrix nanocomposites reinforced with carbon nanotubes and graphene nanosheets, Materials Science & Engineering R Reports 74(10) (2013) 281-350
Xie, Highly enhanced mechanical properties in Cu matrix composites reinforced with graphene decorated metallic nanoparticles, Journal of Materials Science 49(10) (2014) 3725-3731

Tamayol, Experimental study of convective heat transfer of a nanofluid through a pipe filled with metal foam, International Journal of Thermal Sciences 88 (2015) 33-39
Kang, Review on combined heat and mass transfer characteristics in nanofluids, International Journal of Thermal Sciences 87 (2015) 49-67
Torsæter, A coreflood investigation of nanofluid enhanced oil recovery, Journal of Petroleum Science and Engineering 111 (2013) 128-138
Miguel, Fluid flow through macro-porous materials: friction coefficient and wind tunnel similitude criteria, International Journal of Fluid Mechanics Research 39 (2012) 136-148
Aydin, Aerosol particle deposition and distribution in a bifurcating ventilation duct, Journal of Hazardous Materials 116 (2004) 249-255

Thermally stimulated current (TSC) is a simple and effective test technique to study the thermal activated charge, electron trap and activation energy of dielectric and semiconducting materials.
Thermally stimulated current (TSC) is a simple and effective test technique to study the thermal activated charge, electron trap and activation energy of dielectric and semiconducting materials [4].
Acknowledgements This work was financially supported by the National Natural Science Foundation of China (51072238) References [1] Eda K., IEEE Electrical Insulation Magazine, 1989, 5 (6): 28-47 [2] Gupta T K., Journal of the American Ceramic Society, 1990, 73 (7): 1817-1840 [3] Clarke D R., Journal of the American Ceramic Society, 1999, 82(3): 485-502
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Introduction Aided by advances in biological and medical sciences, materials science and engineering has triumphed in recent decades by providing various implant materials for human tissue repair for millions of patients all over the world.
Biomaterials Science: An introduction to materials in medicine, 2 nd Edn., Academic Press, San Diego [3] Brunette, D.M., Tengvall, P., Textor, M. and Thomsen, P. (2001).
"Preparation and Characterisation of Bioactive Monolayer and Functionally Graded Coatings", Journal of Materials Science: Materials in Medicine, Vol. 10, 269-273 [10] Ye, X.J., Wang, M., and Khor, K.A. (1999).
Effects of Ion Mixing Beams", Journal of Biomedical Materials Research, Vol. 55, 587-595 [18] Wang, C.X., Chen, Z.Q., Wang, M., Liu, Z.Y., Wang, P.L. and Zheng, S.X. (2001).
"Fabrication and Characterisation of Bioactive Glass Coatings Produced by the Ion Beam Sputter Deposition Technique", Journal of Materials Science: Materials in Medicine, Vol. 13, 247-251 [21] Wu, J.M., Wang, M., Hayakawa, S., Tsuru, K. and Osaka, A. (2006).