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Construction materials used in many varieties and large quantities, including concrete, steel, masonry, timber and other bulk building materials and a variety of decorative materials, so supply and procurement of construction materials, supply chain management the key link.
To the construction enterprises, construction materials are mainly raw materials.
China Civil Engineering Journal, vol. 37, 2004, pp. 86-91
European Journal of Purchasing & Supply Management, vol. 7, 2001, pp. 165-178
European Journal of Purchasing & Supply Management, vol. 8, 2002, pp. 173-183

Tel.: 0554-6633285 Keywords: composite material; ferromagnetic; specific heat; expansion coefficient; sublimation heat Abstract: Ferromagnetic base composite materials were applied widely in aircraft and space vehicles engineering.
Ferromagnetic material, a kind of hard, corrosion resistant, practical and durable material, has good elasticity and plasticity, and therefore it is widely used in present and future and irreplaceable industrial materials.
Meanwhile, the ferromagnetic base composite materials were applied more and more widely, and it was researched more and more extensively and deep.
Acknowledgements The work was financially supported by China Postdoctoral Science Foundation (2011M501394) and Anhui University of Technology and Science Doctor Foundation (2011yb007).
Materials Review, 2010,24: 407-409+431(in Chinese) [2] Zhuang Xiao-ling, Lin Guo-xing.

International Journal of Environmental Science and Technology, 1-12
In IOP Conference Series: Materials Science and Engineering (Vol. 1107, No. 1, p. 012034).
In IOP Conference Series: Materials Science and Engineering (Vol. 640, No. 1, p. 012063).
British Journal of Applied Science and Technology, 5(2), 166-172
Asian Journal of Plant Science, 15, 42-55

This work used tilapia scales as raw materials, to prepare a new type of adsorption material with large adsorption capacity, low-cost, high security to extract and separate EGCG.
Experimental Materials.
Then, the effect of the adsorption materials produced by different conditions determined by adsorption tests based on a batch reactor that 0.5g of the adsorption materials infused with 7mL of EGCG solution (0.004mol/L) at room temperature(25℃) was oscillated at 200r/min for 40min.
Journal of Nutrition, Vol. 131(2001), p,2842-2852
[11] Yinzhe Jin,Chun Hua Jin,Kyung Ho Row.Biotechnology Journal,Vol.1(2006),p,209-213 [12] Wang Ruifang,Chen Fahe,Wu Guangbin,et al.Food Science,Vol.30(2009),p,40-42.

With the development of science and technology, there are many types of new energy saving building materials which play a vital role in each stage of construction engineering.
Enterprise Science And Technology Development.
Journal of Wuhan University of Technology.
Construction and Building Materials.
Journal of China University of Mining & Technology.

China 2*College of Information Science &Technology, Hainan University, Haikou, P.R.
At first, collect all relative materials, such as the prototype of our actress: a Li woman, shown in Figure 3, and then design an artistic character which is according to the requirement of animation production.
Journal of Huazhong Normal University (Humanities and Social Sciences), 2012, 51(2): P. 49-55
Journal of Wuhan Institute of Education, 2012, 31(2): P. 30-36
Journal of Cultural Heritage, 2001, Vol.2, No.1, p. 63–70

Birkved, Potential of circular economy in sustainable buildings, IOP Conference Series: Materials Science and Engineering, 471(9) (2019) 092051 [5] H.
W Hussin, Microstructures and physical properties of waste garnets as a promising construction material, Case studies in construction materials 8, (2018) 87-96 [7] Muttashar, H.
Yusoff, Structural Performance Assessment of High Strength Concrete Containing Spent Garnet under Three Point Bending Test, IOP Conference Series: Materials Science and Engineering 1144(1) (2021, May) 012018 [10] M.
Varga, Research on valorisation of spent garnets as addition in cementitious materials–preliminary experimental evaluation, IOP Conference Series: Materials Science and Engineering (Vol. 1251 (1), (2022, July), 012010
Perianu, Development of Green Cementitious Materials by Using the Abrasive Waterjet Garnet Wastes: Preliminary Studies, Advanced Materials Research 1164 (2021) 87-96 [18] C.

Introduction Nanotechnology is the use of very small particles of material to create new large scale materials.
Obviously, Concrete is one of the major construction materials.
Addition of nanoscale materials into cement could improve its performance.
These are in the development of improved materials and the use of characterization methods to improve the understanding of materials.
Indeed, in the field of pavement, nanoscale materials can be applied to the surface of existing materials to improve aspects such as their hardness, durability, skid resistance and water resistance constitutes potential applications.

Erdol: International Journal of Computational and Mathematical Sciences, (2007), 1, 121–127
Mahzoon and M.Shariyat: Iranian Journal of Materials Science and Engineering, (2012), 9(1): 29-41
Ramirez: Journal of Smart Materials and Structures, Vol. 15 No 5, (2006) pp.1287-1295
Krenk: Journal of Composite Materials, 13, (1979) pp.108-116
Erdogan: International Journal of Mechanical Sciences, Vol. 49, No. 2, (2007), pp. 161–182

Effect of Density and Ambient Temperature on Coefficient of Thermal Conductivity of Heat-Insulated EPS and PU Materials for Food Packaging SONG Haiyana, CHENG Xinxinb and CHU Leic College of Packaging & Printing Engineering, Tianjin University of Science & Technology, Tianjin, China ahysong@tust.edu.cn, bchengxin2009.cool@163.com, cby_chulei@126.com Keywords: Coefficient of thermal conductivity; Heat-insulated material; Density; Ambient temperature Abstract.
In order to provide theoretical reference basis for the selection of heat-insulated materials, we test the coefficient of thermal conductivity of polystyrene foamed plastic (EPS) and rigid polyurethane foam plastic (PU) in different densities at different ambient temperatures, and then determine the effect of material density and ambient temperature on the coefficient of thermal conductivity of food insulation packaging materials.
Experimental Materials.
Silva: Journal of Food Engineering, Vol. 94 (2009), P. 90–97
Cabeza: International Journal of Refri- geration, Vol. 35(2012), P.1709-1714