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Experiments were performed by using an improved test system of physical parameters of rock materials.
In this paper, an improved test system of physical parameters of rock materials was employed to test permeability and porosity of tight rock materials under high temperature and high pressure.
Fig. 1 Schematic diagram of flow chart of experimental facility Experimental Materials and Method The main experimental materials were tight rock and distilled water.
Results show that there are some micro-cracks in the tight rock materials although the experimental model samples of tight rock materials have no macroscopic cracks.
Frangos: Journal of Geophysical Research Vol.73 (1968), p.2225

Journal of Refractory Metals & Hard Materials 27 (2009) 52 - 60
Matrrials Science and Engineering A 459(2007) 86-93
Journal of Refractory Metals & Hard Materials 35 (2012) 17 - 26
Journal of materials. 1993(1) : 4
Journal of Refractory Metals and Hard .

Knésl1,c 1 Institute of Physics of Materials, Academy of Sciences of the Czech Republic, Žižkova 22, 616 62 Brno, Czech Republic a nahlik@ipm.cz , b hutar@ipm.cz, c knesl@ipm.cz Keywords: bi-material interface, residual stress, plasticity-induced crack closure, critical stress.
Journal of Fracture, 12 (1976), p. 52
Journal of Fracture, 73 (1995), p. 1
Journal of Fracture, 48 (1991), p.
Science 28 (2003), p. 620

The three most common categories were environmental sciences & ecology (2704 papers; accounting for 45.1% of the total), meteorology & atmospheric sciences (1551; 25.9%), and engineering (1170; 19.5%).
Thus emission inventory had certain research value in the field of both natural science and social science.
Journal of Geophysical Research-atmosphere published the second most articles (296), followed by Environment Science & Technology (283), Atmospheric Chemistry and Physics (268), International Journal of Life Cycle Assessment (184) and Journal of The Air & Waste Management Association (112).
Table 1 Comparison of the top 20 most active journals in emission inventory research Journals TP TP（%） TC TC/TP IF Atmospheric Environment 601 10.03 12060 20.07 3.11 Journal of Geophysical Research-atmosphere 296 4.94 11375 38.43 3.17 Environment Science & Technology 283 4.72 8437 29.81 5.26 Atmospheric Chemistry and Physics 268 4.47 7546 28.16 5.5 International Journal of Life Cycle Assessment 184 3.07 2654 14.42 2.78 Journal of The Air & Waste Management Association 112 1.87 985 8.79 1.20 Science of The Total Environment 102 1.70 2239 21.95 3.26 Chemosphere 82 1.37 2071 25.26 3.14 Geophysical Research Letters 70 1.17 1965 28.07 3.98 Environmental Pollution 66 1.10 1264 19.15 3.73 Journal of Cleaner Production 55 0.92 681 12.38 3.40 Journal of Nuclear Materials 49 0.82 546 11.14 1.21 Forest Ecology and Management 47 0.78 702 14.94 2.77 Global Biogeochemical Cycles 46 0.77 2229 48.46 4.68 Global Change Biology 45 0.75 1937 43.04 6.91 Energy Policy 44 0.73 503 11.43 2.74 Water Air and
Environmental sciences & ecology, meteorology & atmospheric science, and engineering were subject categories that published the most emission inventory-related papers.

Methodology Materials.
Virgin plastic pellets are crude oil-based materials [33], therefore these raw materials are non-renewable.
Martin: Testing of Materials, In C.A.
Materials Science Forum, Vol. 936 (2018), 116-120
Matei, et al.: Recycled polypropylene improved with thermoplastic elastomers, International Journal of Polymer Science, (2017), 7525923

It can also according to the ecosystem of the material divided into three parts, namely the natural materials that can grow, the nonrenewable materials made by human and the materials that have characteristic between natural materials and artificial materials.
Furthermore, new materials of modified form basically have new features materials and conform to the type of materials.
This type of building skin fully by means of science and technology increasingly appeared in the contemporary architecture.
From the architectural skin to Epidermal architecture,Journal of new buildings, 5 (2008) 50-56
[6] Yong He.The Cognitive construction and construction logic of epidermis material, Architectural Journal ,7(2009)72-73

Preparation and Mechanical Performance of Supplementary Cementing Materials Cementitious by Electroplating Sludge ZHANG Changsen1,a, GU Xuesu1,b, GAO Jie1,c, YANG Yu1,d, ZHU Baogui1,e 1College of Material Science and Engineering, Yancheng Institute of Technology, Yancheng 224000, People’s Republic of China.
Construction and Building Materials, Vol.112 (2016)307
Journal of Cleaner Production, Vol.95 (2015) 101
Construction and Building Materials, 136 (2017) 307
Construction and Building Materials 41 (2013) 360-364.

Technical analysis of the performance optimization of nanospintronics devices based on carbonaceous materials has been presented in this paper.
Carbonaceous Materials in Nanospintronics The theory of nanospintronics is now well understood, especially for magnetic semiconductor material like GaMnAs.
Another important result is that the spin diffusion length is greater than 230 nm for electrons, and 310 nm for holes in the corresponding materials.
New Materials and their Selection for Designing and Fabricating the Spintronic Devices - A Technical Note.
Invertis Journal of Science & Technology, 7(4), 246-254

Synthesis and Characterization of Double Pore Size Multiphase Materials from Waste Aluminum Slag and Activated Carbon Yanqing Chen a, Renping Wu b College of Materials Science and Engineering, Fuzhou University, Fuzhou 350108, China a cyq_20050603@126.com, b wurenping@fzu.edu.cn Keywords: Waste aluminum slag; Activated carbon; Double pore size; Multiphase materials Abstract.
A new type of double pore size activated alumina/activated carbon multiphase material was made by using waste aluminum slag and activated carbon as main raw materials.
Table 2 lists the iodine adsorption values of three materials.
Clearly the benzene adsorption capability of the new material is superior to that of pure activated alumina or activated carbon materials.
Furthermore, the benzene adsorption effect of multiphase materials is excellent.

Many structural metals possess dynamic fracture and fragmentation properties of materials that differ appreciably from their static counterparts.
Analysis of the dynamic behavior of materials, several kinds of tests such as tension, compression or shear may be used.
Lateral efficiency loading can be widely used in the specimen ring on a variety of sizes and materials without limitation.
Lu, Journal of Mechanical Science and Technology 25 (2011) 2775-2780
Ravi-Chandar, Fracture of Nano and Engineering Materials and Structures (2006) 497-498