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Materials Ordinary portland cement P.O42.5 was used, produced by Tuotang cement company, Nanjing.
Acknowledgements This work was financially supported by Science Project of JiangsuProvincial Communications Department (2013-C-04).
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Combination of phase change materials with building materials Phase change building material(PCBM) is a composite of phase change materials and building materials.
It can make the traditional building materials into phase change materials building materials according to different requirements.
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The problem of biological materials can be their aging.
Journal of the Science of Food and Agriculture Vol. 86(2006) pp. 1781-1789
Gaofenzi Cailiao Kexue Yu Gongcheng/Polymeric: Materials Science and Engineering Vol. 31(2015), pp. 57-61
Reucroft: Processing and characterization of coconut shell powder filled UHMWPE: Materials science and Engineering A Journal Vol. 367(2004), pp. 57-62
Hoon: The potential of coconut shell powder (CSP) and coconut shell activated carbon (CSAC) composites as electromagnetic interference (EMI) absorbing material: Malaysian Journal of Analytical Sciences Vol. 20(2016), pp. 444-451.

Building materials constitute about 60%-70% of the total cost of construction.
Reduction in the use of conventional materials may not be possible; therefore, an alternative solution to use low cost materials would reduce the overall construction cost of a building.
Thus the alternative building materials which are to be replaced by the conventional materials should be made from waste or locally available materials to minimize environmental pollution and reduce overall construction cost [5] .
Khan, “Strength characteristics of low cost flyash brick masonry”, International Journal of Science, Environment and Technology, ISSN 2278-3687 (O) , Vol. 3, No 3 (2014) 976 – 980
Samer, “Towards the implementation of the Green Building concept in agricultural buildings”, a literature review CIGR Journal , Vol. 15, No.2 25, (July 2013) [12] Swetha madhusudanan, Lilly Rose amirtham, “Sustainable building materials and materials for energy efficiency “, Trans tech publications, ISBN-13:978-3-03835-490-1, periodical of Key engineering materials vol.650, (2015).

The biomass material of stem granule can be used as raw material in cigarette tobacco blends, and play an important role in improving the filling power of cut tobacco, reducing the harmful components of cigarettes and the consumption of raw materials [5,6].
Dielectric properties of agricultural materials describe the interaction of electromagnetic energy with the materials[8].
Materials and methods Materials.
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Acknowledgements This study was supported by Fujian Provincial Department of Science and Technology (Research Project,2019H6024) References [1] Velauthapillai D,Rasukkannu M, and Vajeeston P 2018 Materials Letters. 218 233-236
[11] Crouch C H, Carey J E, Shen M, Genin F Y and Mazur E 2004 Applied Physics a-Materials Science & Processing 79 1635-1641
[16] Palacios P, Sanchez K, Wahnon P and Conesa J C 2006 Physica Status Solidi a-Applications and Materials Science 203 1395-1401
[25] Kresse G and Furthmuller J 1996 Computational Materials Science 6 15-50
[32] Yang Y, Song T,Zhang X,Zhao Y,Chai J,Cheng Z, Huang X, Zhang H, Zhu W and Yang M 2020 Journal of Materials Chemistry C 8 11778-11785

Based on the gradient source representation of functionally gradient materials Qiang Li1,2, a , Mingqing Wu1,b 1Shandong Transport Vocational College, Shandong Weifang, 261206, China; 2School of Transportation Science and Engineering, Beihang University, Beijing, 100191, China; aljzylq@126.com; bwmq1977@qq.com  Keywords: functionally gradient material (FGM), grading source,function image Abstract.
Therefore, in the course of modeling, functional gradient materials are generally a one-dimensional entity model.
The information mathematical description of functionally gradient materials The material composition array: Define an array of for functionally gradient materials entity within the material composition of each.
References [1] CHENG Xiao-nong,DAI Qi-xun,ZHAO Yu-tao.et a1．Developmem of materials calculation design.journal of Jiangsu university,2003,24 (1): 15-18(in chinese) [2] Siu.Y K,Tan.S.T.”Source based” hererogeneous solid modeling.Computer Aided Design, 2002, 34 (1);41-55 [3] WU Xiao-jun,LIU Wei-jun,WANG Tian-ran.Heterogeneous material objects modeling for 3D CAD part.Chinese Journal of Mechanical Engineering,2004,40 (5):111-117.
(in chinese) [5] Zhou Manyuan,Xi Juntong,Yan Junqi.Modeling and processing of functionally graded materials for rapid prototyping.Jourmal of Materials Processing Thecnology,2004,146(3):396-402.

Particular focus has been given to fracturing heterogeneous materials.
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Song, Multiscale aggregating discontinuities: A method for circumventing loss of material stability, International Journal for Numerical Methods in Engineering, 73: 869–894, 2008
Sluys, Coupled-volume multi-scale modelling of quasi brittle material, European Journal of Mechanics A/Solids, 27: 302–327, 2008

Jalali, Journal of hazard materials 297 (2015) 127-133
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