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The uniaxial tensile tests were carried out on a materials testing machine at room temperature.
Journal of Materials Research, 25(2010)328-336
Metallurgical & Materials Transactions B, 4(1972)15-20
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Material properties.
Lee, Collapse loads of r/c beams with large opening, Journal structure engineering, 110(11) 1984 2602-2618
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Izzet, Experimental and numerical comparison of reinforced concrete gable roof beams with openings of different configurations, Engineering, Technology & Applied Science Research, 9(6) 2019 5066-5073
Izzet, "Finite element modeling of RC gable roof beams with openings of different sizes and configurations, Mechanics of Advanced Materials and Structures, 2019 1-17

Zhong:Journal of Tropical Forest Science Vol. 25(2013),p.317-324 [2] Weng W., Peng R.
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Luo: Optik-International Journal for Light and Electron Optics Vol. 124(2013),p.4544–4548 [4] L.
Xiao:Applied Mechanics and Materials Vol. 477-478(2013),p.34-38

Introduction Within supply chains, warehouse is an important activity in the distribution of materials from raw materials and work in progress to finish goods.
Petri net model of Warehouse operation procedure with RFID Acknowledgements This work was financially supported by the humanities and social science research project of department of education in Hei Longjiang province (1254b005), Scientific Research Fund for Doctor of Harbin University of Commerce(92508112).
International Journal of Production Economics.
The International Journal of Advanced Manufacturing Technology.

Fan material flow and roadway in scattered energy equation in, need to merge equations (1) and (16) : (17) As for , equations (1) and (9) into the following formula: The merger of two type can be made: (18) Use replace equation (10) of the alternate: (19) Fan characteristic curve and roadway characteristic curves of the above the secant equation can also be used below the form: (20) (21) Using the above equation can draw drawer-type fan of the material flow in the first level 2 differential equation
(22) With the initial conditions And drawer-type fan energy 2 differential equation: (23) With the initial conditions ；； If the equation (22) and (23) to the left of the first cut out, it can be concluded that drawer-type fan material flow within the first level of differential equation: (24) With the initial conditions ; And drawer-type fan energy the first level of differential equations: (25) With the initial conditions ；； Equation (22) ~ (25) used for roadway and a drawer-type fan of the series, this series is equivalent to the second or the first level of physical systems.
Table 1 As the first level system of draw out type fan in the roadway airflow Time Material flow（m³/s） Critical the following outburst ； 0.00 27.35 27.35 27.35 27.35 3.34 28.87 28.38 31.15 30.19 10.03 24.55 24.05 31.13 30.13 30.11 17.67 17.07 31.03 29.83 60.22 14.57 13.84 30.90 29.43 90.34 13.69 13.88 30.87 29.34 120.45 13.73 12.96 30.86 29.32 180.68 13.69 12.92 30.86 29.31 200.75 13.69 12.91 30.86 29.31 Critical gas outburst ； 3.34 26.35 25.19 31.77 29.44 10.03 16.87 15.70 31.77 29.44 30.11 4.42 3.17 31.69 29.19 60.22 0.59 -0.81 31.52 28.70 90.33 0.07 -1.35 31.50 28.63 120.44 0.01 -1.42 31.50 28.62 180.68 0.00 -1.43 31.50 28.62 Critical above the gas outburst ； 3.34 19.92 17.73 29.94 25.58 10.03 4.92 2.92 30.12 26.11 30.11 -8.69 -10.50 30.31 26.69 60.22 -10.70 -12.59 30.24 26.45 90.33 -10.80 -12.70 30.23 26.44 120.45 -10.80 -12.70 30.23 26.44 Conclusions According to the report of the equation can set the gas outburst dangerous concrete roadway ventilation technology procedures,
Journal of China University of Mining & Technology,15,6(1990)(In Chinese)
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This can be achieved utilizing materials possessing high strength and low weight.
Materials and refining processes The material used in the experiment is AZ31B.
Enami et al., Journal of Materials Processing Technology, Vol 101 (2000), p.281
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International Journal of Heat and Mass Transfer, 52, (2009)
Ain Shams Engineering Journal, 8(1), (2017)
Ain Shams Engineering Journal, 8(3), (2017)
Engineering Science and Technology, an International Journal, 19 (3), (2016)
Effect of chemical reaction on MHD boundary layer flow and melting heat transfer of Williamson nanofluid in porous medium, Engineering Science and Technology, An International Journal, 19, (2016)

Application of powder materials in the HIP process helps to shape the product into the desired form and size with only minor discrepancies between the actual and target values.
Powder material is Х12МФ.
Acknowledgments The work was carried out with financial support from the Russian Ministry of Education and Science in the framework of the project «Creating a high-tech production of materials, products and equipment using additive technologies and gas conditioning technologies on the basis of PJSC RUSPOLIMET» under Agreement No. 075-11-2019-084 of 12/18/2019 (Decree of the Russian Government Federation of April 9, 2010 No. 218).
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Wu, Journal of Materials Processing Technology 182 (2007) 39-49 [11] D.

Metal matrix resin composite materials mold with metal (such as aluminium, etc.) as substrate, the surface coating of metal resin material mold.
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