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High durability on the perspective of improvement and become, use a lot of high quality raw materials and modern technology, is the main development direction of concrete.
The preparation of the basic idea is to choose the raw materials, optimization ratio of concrete, mixed with composite efficient admixtures.
The preparation of the high performance concrete, the measurement of the various raw materials should be allowed it.
The benefits of combining the two common materials have long been recognized and a variety of composite system has been developed and widely used in both buildings and bridges.
Mill Valley, CA: University Science, 1989. 5:92-93M [7] T.

Heat release rate Heat release rate is the combustion heat release rate of materials per unit time in unit area.
The size of the heat release rate is an important parameter to evaluate the combustion properties of materials, and the peak value is the most important parameter to evaluate the fire safety performance of materials.
Generally, the high heat release rate, short ignition time and fast burning rate will lead to the fire risk of materials high in the small-scale fire tests [7].
Journal of Safety Science and Technology, 2013, 9(6): 37-41 In Chinese
China Safety Science Journal, 2012, 22(1): 65-69 In Chinese

Requirement is not only wear-resistant, heat-resistant, but also has a strong toughness, so it often used tool of the diamond, ceramics and other materials.
(2) The material selection of the model The material of the work piece is 2Cr12NiMo1W1V, material constants are: elastic modulus E=218Gpa, Poisson's ratio μ =0.33, density is 7.83kg/cm3
Journal of Zhejiang University (Engineering Science), 2009,38 ( 1): 17-21 [2] Wang Zhigang, He Ning,Wu Kai, Jiang Chengyu, Zhang Ping, Gong Huimin, Chen Xuemei.
Frame monolithic structure finite element model of milling process sequence [J] Journal of Zhejiang University (Engineering Science Edition), 2010(03):78-81 [8] Li Hongyun, Zhao Shexu, Sun Yan.ANSYS 10 foundation and engineering application [M].
Xi'an: Xi'an Electronic and Science University press, 2005:445-447

Hence the strength of FGM materials, which can be adapted to various fields of application.
Optimum design for shrink-fit multi-layer vessels under ultrahigh pressure using different materials.
Metal-ceramic functionally graded materials (FGMs), Elsevier Series on Advanced Ceramic Materials, (2021) 327-359. doi: 10.1016/B978-0-08-102869-8.00009-4 [11] Xiang Hongjun, Shi Zhifei, Zhang Taotao.
International Journal Of Engineering & Applied Sciences (IJEAS), 9 (2017) 112- 112. doi: 10.24107/IJEAS.318459 [13] Pourasghar, A, Moradi-Dastjerdi, R, Yas.
Pressurized hollow cylinder or disk problem for functionally graded isotropic linearly elastic materials.

l There is a wider range of materials for this technology in addition to common metal materials.
[6] Xinge Zhang,Qun Wang, and Liqun Li: Materials Review (in Chinese),Vol.23 (2009) p. 39-42
[14] Sheng Zhu, Qiwei Wang and Fengliang Yin: Transactions of Materials and Heat Treatment (in Chinese),Vol.32 (2011) p. 23-27
[25] Fan Z, Fang X and Ji S: Material Science and Engineering A, Vol.4 (2005) p. 298-306
[31] Asai S: Science and Technology of Advanced Materials, Vol.1 (2000) p.191-200.

References [1] B H Kear and L E McCandlish: Journal of Advanced Materials Vol.25 (1993), p.11 [2] Z.
Journal of Refractory Metals & Hard Materials Vol.27 (2009), p.288-299 [3] A.
Siemiaszko: International Journal of Refractory Metals & Hard Materials Vol.25 (2007), p.153-158 [4] Seung I.
Kimb: Materials Science and Engineering Vol.A351 (2003), p.31-38 [5] Z.
Materials Science Vol.21 (1986), p.4262

Usual materials used for embossing include coated and uncoated paperboards.
Materials and Methods 2.1 Materials.
The numbers in the materials denote the grammage as g/m2.
The materials were stored at 50 % relative humidity (RH) to ensure adequate humidity and to obtain the desired moisture content for the fibre-material.
Vasylkiv, Investigation of Resistance to Mechanical Effect of Braille Formed on Different Materials, Materials Science 20 (2) (2014) [13] P.

The damage model of concrete under coupling action of calcium leaching and load LIU Qiaoling1, 2,a, ZHANG Xu3,b, XU Lina1,c , JIA Liqun1 1 School of Civil Engineering, Shandong Jianzhu University, Jinan250101, PR China 2 School of Materials Science and Engineering, Southeast University, Nanjing, 211189 PR China 3 Depart of Civil Engineering, Shandong Jiaotong University, Jinan250023, PR China alql263@sdjzu.edu.cn, bzhtmh@126.com, cxln@sdjzu.edu.cn Keywords: concrete, calcium leaching, coupling effect, damage evolution.
Journal of southeast university (Natural Science Edition), 2006,11(36):7-14
Materials and Structures, 35:632-640, 2002
Materials and Structures, 35:632-640, 2002
Chinese Journal of Rock Mechanics and Engineering，2003，22(1)：30—34.

Journal of Polymer Science. 10(1002), 880-885.
Materials Science Forum, 517, 97-100 [6] Nik Aziz, N.A., Idris, N.K. & Isa, M.I.N. (2010).
International Journal of Latest Research in Science and Technology, 2, 70-75
Materials Letters, 59, 2741
Solar Energy Materials & Solar Cells, 92, 228–233.

Doping concentration of tin in NiPc was controlled via different deposition rates between metal dopent and host organic material.
ZnPc, CuPc and NiPc are organic semiconducting materials and famously used in optoelectronic applications.
It is well known that specific properties of NiPc thin film depend on various parameters e.g. preparation method, substrate-temperature as well as doping materials [3,4].
Menon, Studies on the Optical Properties and Surface Morphology of Nickel Phthalocyanine Thin Films, E-journal of Chemisty 4 (2007) 255-264
Sci. 19,(2008) 482-486 [6] Soumen Das, Dae-Young Kim, Cheol-Min Choi, Yoon-Bong Hahn, Influence of aqueous hexamethylenetetramine on the morphology of self-assembled SnO2 nanocrystals, Materials Research Bulletin 46 (2011) 609–614 [7] L.