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Preparation of Xonotlite Nano-fibres Using the Silica Source from Coal Fly Ash and Ca(OH)2 Jing Yang*, Xin Zhang, Hongwen Ma*, Mingwei Wang and Han Wu School of Materials Science and Technology, China University of Geosciences, Beijing 100083, China *yjcl@cugb.edu.cn; mahw@cugb.edu.cn Keywords: Coal Fly Ash, Pre-desilication, alkali Hydrothermally-treated, Xonotlite nano-fibres Abstract.
In this paper, desilication and preparation of xonotlite were studied using coal fly ash from a power plant at Shizuishan as raw materials.
Zhang, Advanced Materials Research. 97 (2010) 1170
Chang, Journal of Materials Science . 16(2005) 361
Ma et al, Advanced Materials Research. 396-398(2012)706.

Materials and Compositions Neutralization sludge.
Factors affecting hazardous S/S: A review, Journal of Hazardous Materials B137 (2006) 267–276
I., Immobilization of low and intermediate level of organic radioactive wastes in cement matrices.(2011) Journal of Hazardous Materials, 190 (1-3), pp. 969-979
[8] PLECAS, I.B., DIMOVIC, S., Immobilization of industrial waste in cement-bentonite clay matrix.(2004) Bulletin of Materials Science, 27 (2), pp. 175-178
Journal of Hazardous Materials,2009, 161 (1)

Material and methods Preparation of SF solution.
Dry solid silk materials were obtained after lyophilized for about 48 h by a Genesis 25-LE Freeze Drye(Virtis,USA).
Kaplan: Journal of materials chemistry Vol. 19 (2009), p. 6443 [3] M.Z.
Collette, et al: The journal of physical chemistry.
Xu: Science of Sericulture Vol.19 (1993), p. 105 (In Chinese) [13] X.

Płachta, Structure and plasticity of the AZ31 magnesium alloy after hot deformation, Journal of Achievements in Materials and Manufacturing Engineering 27 (2008) 27-31
Yang, Rolling of AZ31 Magnesium Alloy Thin Strip, Materials Science Forum 546-549 (2007) 365-368
Konopleva, Microstructural development in Mg alloy AZ31 during hot working, Materials Science and Engeenering A 337 (2002) 121-127
Ebert, Magnesium Properties – applications – potential, Materials Science and Engineering A 302 (2001) 37-45
Kainer, New Perspectives for Wrought Magnesium Alloys, Materials Science Forum 546-549 (2007) 1-10

Advanced Materials Research.
Materials Review.
Current Status of Research on Flexible Materials Aging Properties in Space Environment.
Journal of Textile Research.
Journal of Qingdao University.

To imitate the undulating motion, several kinds of Bionic Undulating Robot (BUR) variants have been developed, which are mainly constructed of rigid mechanism or special functional materials.
[3] Webb PW, Maneuverability—General Issues, IEEE Journal of Oceanic Engineering, 2004,29(3):547-555
R, Biology-inspired Science and Technology for Autonomous Underwater Vehicles, IEEE Journal of Oceanic Engineering, 2004, 29(3):542–546
Xie, Design and Kinematic Analysis of a Bionic Thruster Driven by a Hydraulic System, Machanical Science and Technology for Aerospace Engineering, 2010.9, 29(9): 1243
Wang etc, Simulation Platform for Fishlike Swimming, Applied Mechanics and Materials. 2013.11, 461: 451-458.

Su, Characterization of interfacial behaviour of ortho-positioned diaryl disulfide on silver substrates by surface-enhanced Raman scattering and electroreduction, Materials Chemistry and Physics 235 (2019) 121726
Wang, Fabrication and photocatalytic performance evaluation of hydrodynamic erosion–resistant nano-TiO2–silicone resin composite films, Environmental Science and Pollution Research 26 (2019) 4997-5007
Taguchi, Nickel-doped TiO2 multilayer thin film for enhancement of photocatalytic activity, International Journal of Materials Science and Engineering 7 (2019) 10-19
Li, Preparation, characterization and properties of starch-based adhesive for wood-based panels, International Journal of Biological Macromolecules 134 (2019) 247-254
Kenessov, Use of partial order in environmental pollution studies demonstrated by urban BTEX air pollution in 20 major cities worldwide, Science of the Total Environment 610 (2018) 234-243.

Numerical Simulation of the Precast Concrete Box Girders’ Temperature Field Distribution based on Material Properties Guangqian Du 1, a, Danhong Shi 2,b 1Agricultural University of Hebei,P.R.China,071001 2 The Hebei First Electric Power Construction Engineering Company,China,050021 a476118298@qq.com, b 843221984@qq.com Keywords: Precast concrete box girders, Temperature field, Hydration heat Abstract.
Due to the large volume concrete special material properties, the casting of temperature stress should not be ignored.
The composite phase change materials can be added inside the mass concrete, this is a new train of thought.
Journal of Petrochemical Universities Vol. 4(4), (2001), p. 54
Huazhong University of Science and Technology Press(1995)

Acknowledgement This work has been supported by the project “multimodal and in-situ characterization of inhomogeneous materials” (MiCi) by the federal government of Upper Austria and the European Regional Development Fund (EFRE) in the framework of the EU-program IWB2020.
Moreau, "Laser-Ultrasonic Characterization of the Microstructure of Aluminum," Material Science Forum, pp. 1373-1378, 2006
Bussière, "Ultrasonic velocity measurements during phase transformation in steels using laser ultrasonics," Journal of Applied Physics, vol. 89, no. 11, pp. 6487-6495, 2001
Aussel, "Ultrasonic Velocity and Attenuation Determination by Laser-Ultrasonics," Journal of Nondestructive Evaluation, vol. 9, no. 4, 1990
Poole, "Evolution of austenite recrystallization and grain growth using laser-ultrasonics," Metallurgical and Materials Transactions, vol. 39, no. 4, pp. 897-907, 2008

The paper is envisioned to make some contributions to sustainability science and engineering.
But the Chinese indicator could calculate the material and energy metabolism by the Emergy analysis method.
[7] Shu-Li Huang, Wan-Lin Hsu, Materials flow analysis and emergy evaluation of Taipei’s urban construction，Landscape and Urban Planning，63 (2)( H2003)： 61~74
[9] Weiwei Song Nianfeng Liu Hongyu Xie, Study on Ecological Impact of a Project by Total Ecological Footprint, Journal of Huazhong University of Science and Technology(Urban Science Edition),Vol.22 No.1( H2005)：146~150, In Chinese
Journal of Urban Planning and Development, Vol.131, No.1( H2005), p. 39-49