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Experimental study of damage identification on space rigid frame structure  Zhihua Fang1, a, Pengfei Yue1,2,b and Weina Zhang1,c 1 School of Architecture &Civil Engineering, Inner Mongolia University of Science and Technology , Baotou 014010 ,China 2 Shandong Gangtong Engineering Consulting CO.
The material of rigid frame use rolled section steel，two span door frame of pre and post were NO. 10 I shaped steel, and the material of braced structures use NO. 3 angle iron，the type is L30 mm×4mm.
Acknowledgements Natural Science Foundation of Inner Mongolia(20080404MS0810); Innovation Fund of UST Inner Mongolia(2009NC040) Reference [1] Xiaodan Sun, Jinping Ou: Journal of Vibration and Shock(in Chinese).
Vol. 28,No.2(2011),p.1 [3] Xuemei Niu, Feng Wang and Xiaoyan Xiong: Journal of North University of China (Natural Science Edition, in Chinese) .
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Some researchers [13-15] have shown that rotation rate in certain range has little effect on mixing rate for free-flowing materials of the tumbling blenders, especially for low speed (8-24 RPM) due to the flat flowing-region surface.
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Formation and Magnetic Characterization of Magnesium Oxide / Iron nano Composite Particles Yuanyuan Kong1, a, Hao Zhou2,b 1Department of Physics and Electronic Science, TONGREN University, TongRen 554300，China 2Department of Materials Science and Technology, HeBei University of Technology, Tianjin 300000, China akyy0803@yahoo.cn， bzhouhao1120@163.com Keywords: magnetic nano-particles; in-situ reaction; superparamagnetic; Abstract.
It was indentified that: Mg(29.1wt%) was the suitable reactant ratio, the sintered composite spherical particles with mean diameter 40nm distributed evenly, particles had good soft magnetic properties, and it was the future drug carriers materials.
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A New Type of Cooling-Air Generator for Cooling-air Grinding Yulin CAI1,a, Hua ZHANG1,b,Yefeng LIU 1,c, Huanhuan ZHAO1,d, Jun Yao 2,e, Haitao Huang 2,f 1 College of Energy and Power Engineering, University of Shanghai for Science and Technology, Shanghai 200093, P.R.China 2 Shanghai Machine Tool Works Ltd, Shanghai 200093, P.R.China a e-mail:caiyulin0000@163.com, b e-mail:zhanghua3000@163.com, ce-mail:yfliu209@163.com, d e-mail:aqa57@163.com, e e-mail:yfliu209@163.com, f e-mail:yfliu209@163.com Keywords: Cooling-air grinding, Cooling-air generator, Low noise injector, green grinding Abstract.
Introduction Grinding plays an important role on a precision machining and high-hard material processing, but high production machining of steel inherently generates high cutting zone temperature.
Acknowledgments The authors are grateful to the financial support provided by Shanghai Leading Academic Discipline Project (No.S30503) and Program of Science and Technology Commission of Shanghai Municipality (No.08110511700).
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The material is assumed to be linear-strain hardening.
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Materials and Methods Description of Study Area.
West African Journal of Life Sciences, 1, 023-034, 2023
Journal of Hazardous Materials Advances. 18, 100631, 2025. https://doi.org/10.1016/j.hazadv.2025.100631
Mabekoje, “Bioremediation of Selected Heavy Metals from Industrial Influent Collected at Wupa Wastewater Treatment Plant, Abuja” Nile Journal of Engineering and Applied Science, 212-223, 2024
International Journal of Environmental Science and Technology, 17(1), 441-456, 2020. https://doi.org/10.1007/s13762-019-02465-4 [18] Y.M.

Introduction Requirements for materials used in the new technologies are becoming higher.
Simple material rarely possesses a set of required properties, therefore, composite materials and coatings became widespread.
Acknowledgements This study was financially supported by the Ministry of Education and Science of Russia for 2014-2016 years, the research № 11.815.2014 / K.
Abdel Hamid, Composite and Nanocomposite Coatings, Journal of Metallurgical Engineering. 3 (2014) 29-42
Fukusumi, Effect of friction stir processing with SiC particles on microstructure and hardness of AZ31, Materials Science and Engineering A. 433 (2006) 50-54

Experimental Procedure Materials and processing.
Lesuer, The fracture resistance of layered DRA materials: influence of laminae thickness, Materials Science and Engineering: A. 229 (1997)1-9
Carreño, Influence of the thermomechanical processing on the fracture mechanisms of high strength aluminium/pure aluminium multilayer laminate materials, Materials Science and Engineering: A. 490 (2008)319-327
Lavernia, Documentation of damping capacity of metallic, ceramic and metal-matrix composite materials, Journal of materials science. 28 (1993)2395-2404
Ren, Physical metallurgy of Ti–Ni-based shape memory alloys, Progress in materials science. 50 (2005)511-678

Drying reduces the volume of raw materials, thus facilitating handling, storage and transportation.
Several studies have been carried out to investigate drying kinetics of various food materials [5].
Nowadays, the thin layer is the most usually used for describing the drying kinetics of many materials.
Materials and methods Sample.
Journal of Food Science and Technology, 2012,49(1):33-41