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In general, the most favorable backfill materials are permeable coarse-grained soils with well settlement, preferably with little silt or no clay content, but such materials may be unavailable or too expensive.
Review of the Unified Strength Theory The UST has a unified model and simple unified mathematical expression that is suitable for various materials.
Ltd., London (1960) [5] Habibagahi, K., and Ghahramani, A: submitted to Journal of the Geotechnical Engineering Division, ASCE (1979) [6] Nirmala Gnanapragasam: submitted to Canadian Geotechnical Journal (2000) [7] NAVFAC.
W., Hao, H: submitted to Journal of Applied Mechanics (1999) [13] M.H.
Yu et al: submitted to Sciences in China (Series E) (2001)

Experimental materials and methods AZ91D magnesium alloy sheet was used as test material which was cut into the size of 25mm × 25mm × 3mm, and polished by the sandpaper and degrease.
KAINER: Wrought magnesium alloys for structural applications (Materials Science and Technology, China 2008)
JIANG: Factors Influencing Plating Rate of Electroless Ni-P Plating and Optimization of the Plating Process (Materials Protection, China 2008)
JUNG: Effect of reflow time on interfacial reaction and shear strength of Sn–0.7Cu solder/Cu and electroless Ni–P BGA joints (Journal of Alloys and Compounds, Holland 2004)
DU: Ni as diffusion barriers between eutectic Sn Ag solder and Cu (The Chinese Journal of Nonferrous Metals, China 2000)

Particle size distribution also makes the granite waste a material compatible with ceramics raw materials.
This result shows that the wastes studied must be applied in materials that can inertize them, as the case with ceramics.
Besides adding value to an undesirable waste, it contributes to the reduction of consumption of natural raw materials, such as clay.
Vieira: Materials Science Forum Vols. 727-728 (2012), p. 1057
Ferreira: Journal of the European Ceramic Society Vol. 29 (1) (2009), p. 23.

Materials and methods GFRP bars.
The testing apparatus described here is the hydraulic material testing machine, manual control loading and the loading speed control in 15 KN/min.
Acknowledgement The study was supported by the National Natural Science Foundation of China (10902073), the Science Foundation of Construction Ministry (No. 2008-K4-26, No. 2010-k2-21) and the Science Foundation of Liaoning Education Bureau of China (No. 2008582).
Journal of Hebei University of Engineering (Natural Science Edition), 2008, 25(1):1-4
Journal of Building Materials, 2010, 13(1):94-99

Materials and Methods 2.1 Construction Materials and Components of the Solar-Powered Fish Dryer.
The fabrication of the solar-powered fish dryer employed a range of materials and components selected for their functional relevance, durability, and thermal performance.
The materials used include photovoltaic panels, mild and galvanized steel plates, fiberglass insulation, galvanized panel mesh, mechanical hinges, electrical cabling, heating elements, and structural iron bars [11]. 2.2 Basic Theory.
International Journal of Scientific Research in Science, Engineering and Technology, 7 (6), (2020)187-193, https://doi.org/10.32628/IJSRSET 207625
Journal of Engineering and Applied Sciences 1 (3), (2006) 205-210, Medwell

In order to well understand the mechanism of such a complex process, numerous researches have been performed on all kinds of welding conditions and materials, using both theoretical and experimental methods.
Because the materials are subjected to a wide range of temperatures, these properties, except latent heat and density, were all considered as temperature dependent.
Welding Journal, 1989, 68(6): 236s~244s
Science and Technology Press of Jiangsu Province, Nanjing, 1999
Welding Journal, 1991, 70(12): 339s~351s.

As the sandwich structure materials extensively used in the engineering field, the existing sandwich structure materials can not meet the requirements of engineering design gradually.
Applied Composite Materials, 19(2012) 117-126
International J of Applied Composite Materials, 19(2012) 315-331
Advanced Materials Research, 631-632: 518-523, 2013
Journal of Automobile Engineering, 214: p. 347-359, 2000

Machining Composite Materials.
Mechanics of Composite Materials. 2nd ed.
Journal of Material Pocessing Technology, Volume 186, pp. 1-7
Composites Science and Technology, Volume 65, pp. 1139-1147
Journal of Materials Processing Technology, Volume 104, pp. 53-58.

The thesis probes into the general strategies for logistic management under the conditions of industry chains by using a specific model so as to integrate logistics or material flow, capital flow and information flow.
The first level is an overall strategy, namely, the ultimate goal of logistics to meet the demands of customers; the second level is a setup strategy, including the design of channels and network analysis; the third level is a functional strategy, including materials and supplies management, warehouse management, transportation management, etc.; the forth level is a basic strategy, which mainly provides the basic guarantee to ensure the normal operation of the logistic system.
Through efficient allocation of resources, the materials and supplies among the enterprises of the supply chain will be made best use of to ensure the real-time supply of materials and supplies and synchronized operation of the industry chain.
Manchen Xiong(1969-), female, professor, Management Science doctor and Machinery manufacturing master.
Global manufacture by using conceptual design, Journal of Materials Processing Technology,(2004) [2] M.C.Xiong, B.Gu, Y.Zhao, and C.Zhao, Logistics under the Circumstance of Supply Chain Management, In Journal of Shangdong University.Vol.34(2005),pp.215 [3] Xiong Manchen.

For the first part, water quality is mainly determined by the physical, chemical and the biological materials and their amount.
Specifically, factors that influence the water quality could be divided into the following six categories: (1).Regular water quality parameters, including color, smell, taste, and etc.;(2).Oxygen balance parameters, including dissolved oxygen, dissolved oxygen and etc.;(3).Heavy metal parameters, including mercury, chromium and etc;(4).Organic pollution parameters, including simple organic materials and complex organic materials; (5).Inorganic pollutants parameters, including ammonia nitrogen, nitrite nitrogen and etc.; (6).
The drawback of the biological approach lies on that it is difficult to precisely determine the property and the amount of polluted materials.
International Journal of Precision Engineering and Manufacturing, Vol.13, No.8 (2012), pp. 1359-1368
Journal of applied microbiology ,  Vol.109, No. 3 (2010), pp.763-770