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The material properties are shown in Table 1.
Bapanapalli: Materials and Design, Vol. 30 (2009), p. 992 [2] W.
Lin: Journal of Materials Processing Technology, Vol. 121 (2002), p. 293 [3] Y.S.
Lee: Journal of Materials Processing Technology, Vol. 201 (2008), p. 431 [4] Y.
Noriyuki: International Journal of Plasticity, Vol. 24 (2008), p. 118 [5] W.

Moreover, the procurement and use of environmentally friendly components and raw materials will be a very important role of the whole production system.
European Management Journal.
Purchasing of Material Management.
European Journal of Operational Research.
International Journal of Purchasing and Materials Management.

Fading of Silk Fabric Dyed with Phellodendron Feng Zhao1, 3, a, Zhiwen Hu2, 4, b, Dianbo Zhang2, 4, c, Zhiqin Peng2, 4, d and Dongyi Qin2, 4, e 1China National Silk Museum, Hangzhou 310002, China 2Key Laboratory of Advanced Textile Materials and Manufacturing Technology, Ministry of Education, Zhejiang Sci-Tech University, Hangzhou 310018, China 3Key Scientific Research Base of Textile Conservation,State Administration for Cultural Heritage, Hangzhou 310002, China 4Laboratory of Cultural Heritage Protection Materials, Zhejiang Sci-Tech University, Hangzhou 310018, China azhaofeng1961@gmail.com (corresponding author), bhuzhiwen@163.com, ca.zdb@163.com, dpengqiao6858@gmail.com, eqindongyi@163.com Keywords: Fading; Silk cultural relic; Phellodendron; UV ageing Abstract.
Light aging tests to simulate the degradation process which could happen in exhibition were designed and performed in this study, hoping to provide favorable evidences to protect silk cultural relics dyed with phellodendron. 1 Experimental 1.1 Materials Silk habotai was obtained from Zhejiang Misai Silk Limited Corporation.
Zhang, A Summary of Fluorescent UV Lamp Exposure Text for Nonmetallic Materials, Environmental Technology. 4 (2007) 17-20
Berghe, Towards the identification of dyestuffs in Early Iron Age Scandinavian peat bog textiles, Journal of Archaeological Science. 4 (2009) 1910-1921 [5] J.S.
Colombini, Colour fading in textiles: A model study on the decomposition of natural dyes, Microchemical journal. (2007) 147-182

The non-irradiated material showed low hardness as well as increasing impression of the indentor in the surface layer.
The modified PA6.6 shifts to the group of materials which have considerably better properties.
Pharr, Influences of pile-up on the measurement of mechanical properties by load and depth sensing indentation techniques, Journal of Materials Research. 13, (1998), 1049-1058
Pharr, Measurement of Hardness and Elastic Modulus by Instrumented Indentation, Journal of Materials Research 19 (1), (2004), 1564 – 1583
Bhowmick, Effect of ambient-temperature and high-temperature electron-beam radiation on the structural, thermal, mechanical, and dynamic mechanical properties of injection-molded polyamide-6,6, Journal of applied polymer science,99 (4), (2006), 1633 -1644 [6] M.

Plastic is materials that are not easily broken down, so it can cause a variety of complex problems such as loss of natural resources, environmental pollution, and depletion of landfill space.
The mixture of these PP and HDPE materials is 700 g.
The higher the volatile matter content in a material, the easier the material will ignite and burn.
Procedia Environmental Sciences, 20, 215–224. https://doi.org/10.1016/j.proenv.2014.03.028 [4] Sharuddin, S.
International Journal of Research in Engineering & Technology (IJRET), 1(2), 81–90

German, Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science 37 (2006) 2837-2848
Alexandrov, Progress in Materials Science 45 (2000) 103- 189
Langdon, Progress in Materials Science 51 (2006) 881-981
Pippan, Journal of Nuclear Materials 367-370 (2007) 800-805
Ma, Materials Science and Engineering A 381 (2004) 71- 79.

The Calculation of Kinetic Parameters in Manganese Nitriding Jinzhu Zhang1, a, Shuihui Luo1,b and Chushao Xu 2,c 1 College of Materials and Metallurgy, Guizhou University, Guiyang 550003, PR China 2 College of Materials Science and Engineering, Chongqing University, Chongqing 400044, PR China a jzzhang@gzu.edu.cn, bshuihuiluo@163.com, cchushaoxu@cqu.edu.cn Keywords: Manganese, Nitriding model, Optimum method, Kinetic parameters Abstract.
Acknowledgment The authors gratefully acknowledge the financial support provided by National Natural Science Foundation of China (50474094).
Fraissard and Jack: Journal of Automation and Information Sciences, Vol.41, N3,(2009), P.37-55 [2] SUN Y. and BELL T.: Materials science & engineering, Vol.224, N1, 2, (1997), P.33-47 [3] Middendorf C., Mader, W.: Zeitschrift fuer Metallkunde/Materials Research and Advanced Techniques, Vol.94, N3, (2003), P.333-340 [4] Yan, Mufu, Yan, Jihong, Bell, T: Modelling and Simulation in Materials Science and Engineering, Vol.8, N4, (2000), P.491-496 [5] Leif Hunsbedt and Scerre E Olsen.: Warrendael:Common-wealth, (1993), P.129-136 [6] Okamto H: J Phase Equilibria, Vol.15, N4, (1994), P.451-452 [7] Gokcen N A.: Bulletin of Alloy Phase Diagrams, Vol.1, N11, (1990), P.33-42 [8] Qiu C and Guillermet A F.: Z Metallkd, Vol.84, N1, (1993), P.11-22 [9] T.
Michel: Materials Science and Engineering, A302,(2001), P.246-257 [10] S.
Neugebauer: Journal of Physics and Chemistry of Solids, Vol.49,N5, (1988), P.561-571 [11] Hongxia Yin, Zheng-Hai Huang, Liqun Qi: Numerical Functional Analysis and Optimization, Vol.29, N5, 6, (2008), P.687 - 716 [12] Xin-Long Luo, Li-Zhi Liao, Hon Wah Tam: Optimization Methods and Software, Vol.22, N4, (2007), P.659 - 678

Concrete has been used as one of predominant building materials.
Studies have shown that water plays a crucial role in the whole service process of concrete materials [3-5].
Experimental program Raw materials.
Construction and Building Materials, 2013, 48: 708-716
[12] Tang L, Nilsson L O: submitted to ACI Materials Journal (1992) [13] Spiesz P, Ballari M M, Brouwers H J H: submitted to Construction and Building Materials (2012) [14] Stanish K D, Hooton R D, Thomas M D A.

The college PE teachers are required to teach complying with college PE teaching outlines, PE teaching materials and PE textbooks.
Therefore, the applications and integration of information technologies shall be took consideration into the preparation of the outlines and the teaching materials.
In the terms of teaching contents, those teaching materials with a large proportion of entertainment are preferred to increase students’ interests and change the former state of “I am required to learn”.
Journal of Shandong Physical Education College, 8 vol.
Journal of Xinzhon Teachers College, vol.2, No.1, pp133.

Therefore, there is still open material for discussion in developing microwave absorbing materials in the low-frequency range, namely in the 2-4 GHz (S-band) and 4-8 GHz (C-band) frequency ranges.
Method Composite sample preparation The Ba0.6Sr0.4Fe11.5Al0.5O19 sample is created from raw materials with a purity of >99%, including BaCO3, SrCO3, Fe2O3, and Al2O3, while the NiFe2O4 sample is made from raw materials with a purity of > 99%, including NiO and Fe2O3 respectively.
Ji, Research Progress of Ceramic-based Absorbing Composite Materials, Academic Journal of Science and Technology, Vol. 8, No. 3, 2023, 24-28; DOI: 10.54097/09bq0587
Sun, Preparation and electromagnetic microwave adsorption performances of porous nanocomposite self-assembled by CoFe2O4 nanoparticles and diatomite, Epitoanyag-Journal of Silicate Based and Composite Materials, Vol. 72, No. 4, 2020; DOI: 10.14382/epitoanyag-jsbcm.2020.20
Zhandun, The magnetic, electronic, optical, and structural properties of the AB2O4 (A = Mn, Fe, Co; B = Al, Ga, In) spinels: Ab initio study, Journal of Magnetism and Magnetic Materials, Vol. 533, 2021, 168015; https://doi.org/10.1016/j.jmmm.2021.168015