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Preparation and Properties of Castor Oil-based Waterborne Polyurethane Terminated Wei Hong1, a, Qingshan Li1, 2, b, *, Yu Wei’an1, c, Jing Sun3, d, Jun Liu1, e and Guangzhong Xing1, f 1National Key Laboratory of Metastable Materials Preparation Technology and Science, Yanshan University, Qinhuangdao, P.R.
This paper, the WPU has been modified, using castor oil, synthesized a series of cross-linked structure of the water-based polyurethane material [5].
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Fresh apples could be eaten directly, sometimes they were made into beverages and juice, and furthermore, they could be utilized as the medicinal material (Yin, 2003; Tang, 2002).
The heating pipes were placed within the cylinder, the feeding port and discharging port of materials were placed in the upper and lower parts of the evaporator respectively.
According to the material balance, the heat balance and heat transfer rate equation, the diffusion coefficient of the aromatic components could be determined, the heat pipe lower temperature evaporator was designed to provide a phenomenon that was less prone to overheating.
Apples and Apple Enzyme [J], Plant Journal, 2003, 1: 18-21
International Journal of Food Engineering, 2011, 7(2): Article 2

The iron slags are used as materials to fill the subgrade in this project, which can not only reduce the construction cost, but also improve the construction efficiency and shorten the construction period.
Acknowledgements The research was financially supported by Shandong Science & Technology Development Project (2011GGH21607) and Shandong University Independent Innovation Found (2012TS060).
Journal of Shandong University, 2012,42 (1)
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Materials and Methods Enzyme and substrate.
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Materials and methods Data source Hyper-spectral data set was obtained in Fukang of Xinjiang area in May and October, 2012.
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International Journal of Mechanical Engineering Technologies and Applications, 4(1), 1–9. https://doi.org/10.21776/mechta.2023.004.01.1 [4] Abdullah, O.
Journal of Power and Energy Engineering, 08(10), 26–42. https://doi.org/10.4236/jpee.2020.810003 [5] Setiawan, Y., Wijianti, E.
IOP Conference Series: Earth and Environmental Science, 926(1). https://doi.org/10.1088/1755-1315/926/1/012013 [6] Kumar Thakur, N., Thakur, R., Kashyap, K., & Goel, B. (2022).
Materials Today: Proceedings, 52. https://doi.org/10.1016/j.matpr.2021.11.020 [7] Syam, I., Maulana, M.
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The steel material of beams and columns uses Q235 and the stress-strain curve adopts three broken line model which considers the hardening and descending phases[9].
At the same time, the part lies in the weld heat-affecting zone, so the descending of the material behavior will lead to brittle crack at this location, the failure pattern of the welded side-plate connection changes from local buckling of beam flange and web to brittle fracture at the end of the widened beam flange.
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CQSLBF-Y09-2), Collegiate Natural Science Fund of Jiangsu Province (grant no.10KJB560007), and Southeast University(grant no.KJ2010407).
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If the enterprise already has a high level of flexible process capacity, all kinds of raw materials into products are relatively flexible.
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