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Introduction Epoxy polymers are widely used for the matrices of fibre-reinforced composite materials and as adhesives.
However, the structure of such thermosetting polymers also leads to highly undesirable property in that they are relatively brittle materials with a poor resistance to crack initiation and growth.
Materials and experiments Laminate composites with SiO2 nanoparticles reinforced epoxy matrix and glass fibres were investigated in this study.
Hoa, Toughening mechanisms of epoxy resins with micro/nano particles: Journal of composite materials. 2007, vol. 41, 2
Kinloch, Modelling of the toughening mechanisms in rubber-modified epoxy polymers: Journal of Materials Science, 1992, vol. 27, 10

The need for safe and environment-friendly packaging materials has also increased.
Materials and Methods Extraction and Characterization of Nanosilica.
Advanced Structured Materials.
Chiang Mai Journal of Science.
Materials Research.

Explore the physical properties of materials effect on the microclimate and draw the appropriate conclusions.
The thermophysical properties of different materials determine the difference in the same environment.
After the highest, all material surface temperatures begin to decline, and at 16:30 in the afternoon, snow surface temperature is the lowest among the materials, the order of other materials from low to high is: bush, lawn, granite, asphalt, clay brick, and tree.
Because of the inner heat, pump house wall surface temperature is always higher than other materials.
Xian Architecture Technology University Journal, 2001.9.

Introduction Underground corrosion is the deterioration of metal or other materials brought about by chemical, mechanical, and biological action by soil environment [1].
Materials and Method Steel Samples Preparation: X70 carbon steel pipes from actual pipe segment were used as the main source of testing material.
Advance Material Research.
[6] Noor, N.M., Yahaya, N., Othman, S.R., Lim, K.S., Din, M.M., ‘New Technique in Soil-Corrosion Study of Underground Pipeline’,Journal of Applied Sciences, Vol. 11, No. 9 (2011), pp. 1510-1518 [7] American Standard of Material Testing.
ProQuest Science Journals

Materials and methods Preparation of materials.
Xiao, Journal of hazardous materials, 164 (2009) 1359-1363
Hu, Advanced materials, 23 (2011) 3959-3963
Luo, Journal of hazardous materials, 183 (2010) 923-930
Chen, Applied Surface Science, 261 (2012) 504-509

Metal foams are an innovative and challenging class of materials.
Experimental details Materials In this work the tested material is based on copper nickel alloy.
Castrodeza, Carlo Mapelli Processing of brass open-cell foam by silica-gel beads replication Journal of Materials Processing Technology 209, (2009), pp. 4958–4962
Castrodeza, Performance of stainless steel foams produced by infiltration casting techniques Journal of Materials Processing Technology 213 (2013), pp. 1846– 1854
Bassani, and A TuissiProcessing of Shape Memory CuZnAl Open-cell Foam by Molten Metal Infiltration Journal of Materials Engineering and Performance Volume 18(5–6), (2009), pp. 484-489

Qaiss: Materials and Design Vol. 43 (2013), p. 200
[2] H, Seda, C Meral, A, Ayse: Journal of Applied Polymer Science Vol. 135 (48) (2018), p. 1
Díaz: Advances in Materials Science and Engineering Vol.1 (2018), p. 1
[8] American Society for Testing and Materials.
[9] American Society for Testing and Materials.

By direct evaporating metallic materials into low-vapor-pressure liquids, nanoparticles are simultaneously made and dispersed into base fluids to make nanofluids.
Nano fluids – Thermal conductivity Modern nanotechnology provides great opportunities to process and produce materials with average crystallite sizes below 50 nm.
Science and Technology, Published by John Wiley & Sons, Inc.
Doucet, New temperature dependent thermal conductivity data for water-based nanofluids, International Journal of Thermal Sciences 48 (2) (2009) 363-371
Peyghambarzadeh et al, Parametric study of overall heat transfer coefficient of CuO/water nanofluids in a car radiator, international journal of thermal sciences 66(2013)82-90

Instrumentation and materials Agrimonia pilosa Ledeb was purchased from a Zhejiang pharmaceutical store.
References [1] Jiangsu College of New Medicine Science.
Shanghai Science & Technology Press, Shanghai, 1977: 665
China Journal of Chinese Materia Medica 33(2008) 2925-2928
Chinese Pharmaceutical Journal 36(2001) 672-673

Acknowledgements This work was financially supported by science and technology plan of Liaoning Province(2012230005); science and technology plan of Shenyang(F13-159-9-00); science and technology plan of Shenyang(F12-045-2-00); The Key Laboratory of Geoenvironmental Engineering(201120).
FRP-encased Concrete as a Structural Material．
Beijing: China Building Industry Press,2005.45 -50 [3] Rahimi, H, Hutchinson A, Concrete beams strengthened with externally bonded FRP plates [J], Journal of Composites for Construction, ASCE,2001, 5(1) ：44-56
Beijing: Science Press,2005.255-261 [5] Y．N．Ziraba,M．H．Baluch,I．A．Basunbul,A．K．Azad et al．Guidelines toward the Design of Reinforced Concrete Beams withexternally bonded composite laminates[J],ACI Structural Journal,1999,96(2):212-220 [6] Amir M．Malek,Hamid Saadatmanesh,Mohammad R．Ehsani,Prediction of Failure Load of R/C Beams Strengthened with FRP Plate Due to Stress Concentration at the Plate End[J]．ACI Structural Journal,1998,95(1):142-152 [7] c．Allen Ross,David M．Jerome,Jose w．
Tedesco,and Maty L．Hughes,Strengthening of reinforced concrete beams with externally bonded composite laminates[J],ACI Structural Journal,1999,96(2): 212-220 [8] Zhao Tong, Jian Xie, Dai Zhiqiang.