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According to application of thermal insulation materials in the practical construction of electrical heat tracing in viscous oil pipeline, impact factors of rigid polyurethane foam widely used as new insulation material are systemically analyzed by Grey Relational Analysis (GRA) in the theory of Grey System to find out priorities among those factors.
So it is an urgent problem for us to explore good insulation materials in construction of oil pipelines.
Although the one-time investment is higher than ordinary materials (such as rock wool, vermiculite, slag asbestos, etc.), comprehensively considering the energy-saving, lifespan, compression, anti-aging, anticorrosion, heat resistant, water soaked and waterproof, it looks more economical than others.
[3] Liu Si-feng, Dang Yao-guo, Fang Zhi-geng, et al: The theory of grey system and its application (Science Press, China 2010), p. 62 (In Chinese)
[6] Guan Xiao-ke, Wu Ke-ning, Wang Xiu, et al: Journal of Safety and Environment, Vol. 8 (2008), p. 105 (In Chinese)

Study on vehicle speed in Pore Water Pressure of Rigid Pavement Base using Poro-elasticity Haibin Li1,a ,Yanping Sheng2, b 1 Department of Architecture and Civil Engineering ,Xi’an University of Science and Technology, Xi’an, 710054, China 2 School of Materials Science and Engineering,Chang’an University, Xi’an 710064, China; alihaibin1212@126.com bsyp@chd.edu.cn Keywords: Rigid Pavement Base; Poro-elasticity; Pore Water Pressure; Vehicle Speed; Numerical Simulation Abstract: Water in pavement is a major contributor to pavement failure.
The constitutive behavior of porous medium material used in the model is introduced.
Acknowledgement The research work was sponsored by the Western Transportation Construst Science and Technology,China (2006 318 000 05).
Numerical simulation of dynamic pore pressure in asphalt pavement, Journal of Southeast university, Vol 25, 2009pp.79-82
Journal of ShenyangJianzhu University, 22(1): 2006pp25-29

BaMoO4 nanocrystallites were synthesized successfully using Sol-gel process with (NH4)6Mo7O24·4H2O, BaCl2·2H2O, citric acid and PEG400 as original materials.
Introduction Nanocrystalline materials possess promising applications due to their grain size dependent phenomena in nano-scale.
Gao: Materials Letters. 61(2007), 4525 [6] J.
Li: Journal of Materials Chemistry, 17(2007), 2754 [7] L.
Alonso: Journal of Solid State Chemistry. 146(1999), 266

Aslani, A review on recent advancement of electromagnetic interference shielding novel metallic materials and processes.
Journal of Materials Chemistry C. 12 (2024 –14808
Journal of the American Ceramic Society. 59(3–4) (1976) 146–149
Journal of Engineering Sciences. 10(1) (2023) C1-C8
Materials Science Forum. 1096 (2023) 73–9.

Generally geopolymer can be classified as new material discovered as synthetic inorganic polymeric material produced from reaction between alkali activation and aluminosilicate materials [1].
Due to environmental friendly processing and excellent mechanical properties, geopolymers often preferred as the materials of choice for construction building materials [2-4], fire resistant product [5-8], composite materials [9] and many others.
Fly Ash-based Geopolymer Thin Coatings on Metal Substrates and its Thermal Evaluation, Journal of Hazardous Materials, 180: pp. 748-752
,Ghazali, C.M.R., Ahmad, M.I. (2012) Fly ash porous material using geopolymerization process for high temperature exposure International Journal of Molecular Sciences 13 (4) , pp. 4388-4395
Advanced Science Letters 19 (1) , pp. 221-223

Miller, et al., Recent development in aluminium alloys for the automotive industry, Materials Science and Engineering A280 (2000) 37–49
Ma, Friction stir welding and processing, Materials Science and Engineering R 50 (2005) 1–78
,On the friction stir welding of aluminium alloys EN AW 2024-0 and EN AW 5754-H22, Archives of Materials Science and Engineering, 28 (2007) Issue 1, January 49-54
Adamowski, et al, Analysis of FSW welds made of aluminium alloy AW6082-T6, Archives of Materials Science and Engineering, 28 (2007) Issue 8, August 453-460
Department of Materials Science and Engineering, Royal Institute of Technology, Stockholm, 2005

Introduction Recently, graphene-based inorganic materials such as metal oxides composites have called enormous attention in the scientific society because of its unique properties.
Cui: Materials Letters Vol. 89 (2012), p. 258-261 [2] G.
Wang: Applied Surface Science Vol. 357 (2015), p. 1593 [6] F.
Çetinkaya: International Journal of Biological and Medical Science Vol. 1-No.2 (2016), p. 2 [7] B.
Liu: Journal of Solid State Chemistry Vol. 191 (2012), p. 51 [10] G.E.

Journal of Hazardous Materials, 2008. 158(2–3): p. 228-256
Journal of Hazardous Materials, 2003. 99(3): p. 243-263
Journal of Hazardous Materials, 2006. 136(3): p. 502-512
JOM Journal of the Minerals, Metals and Materials Society, 1992. 44(7): p. 43-48
Journal of Hazardous Materials, 2009. 164(2-3): p. 1152-1158.

Materials and Methods Plant materials and experimental design Three varieties (variety A, B, and C) of maize (Zea mays L.) were selected as the plant materials.
Thus, these materials are considered as the maize varieties gone through long-term heavy metal contamination.
The seeds of three varieties are supplied by Academy of Agricultural Sciences of Yunnan.
Beijing: China Agricultural Science and Technology Publishing House, 1999
Han, “Above- and belowground biomass allocation in Tibetan grasslands,” Journal of Vegetation Science, vol.20, 2009, pp. 177-184

Tear index is used to measure the ability of a material to withstand the effects of tearing while burst index to identify the strength of material to resist rupture.
Journal of chemical technology and biotechnology 2010. 85(2): p. 151-164
XLIII,—On an acetic ferment which forms cellulose, Journal of the Chemical Society, Transactions 1886. 49: p. 432-439
[6] Iguchi, M., Yamanaka, S., and Budhiono, A., Bacterial cellulose—a masterpiece of nature's arts, Journal of Materials Science 2000. 35(2): p. 261-270
Polymer Engineering & Science 1999. 39(7): p. 1311-1319