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And university library is necessary to utilize modern science and technology , advanced computer technology, high-density storage technology, multimedia technology, network technology, communication technology and information media to share documentary information resources with public.
Along with the rapid development of reform and modernization, science and technology has also attracted worldwide attention.
In their spare time, they rely on internet to seek or download materials or data they need, which is a more convenient and cool way for them.
The development of applied technology exerts a deep effect on the storage media, copy technology and transmission ways. (1) Change of library storage media.Firstly, the raw storage media are such natural materials as oracle bone, animal bones and the inscribed bamboo slips.
Journal ofTianjin University of Technology. 2011 [3] Wallace R S.AIML Overview. http://www.pandorabots.com/pandora/pics/wallaceaimltutorial.htm. 2011 [4] Talking robot Tutu on Renren open platform. http://apps.renren.com/xiaoiwebbot/?

Omori:Materials Science and Engineering A287(2008),183-188
Zhang:Materials Science Poland, 25-3(2007),699-704
Weber :Materials Science Forum 473-474(2005),435-440
Kondo, Y.Suzuki, J.F.Yang, G.J.Zhang, T.Ohji:Journal of Materials Science Letters 20(2001),461-463
Nygren:Journal of Materials Chemistry 11(2000),204-207

Materials and Methods Geometries.
The material properties of both materials were adapted from the literature [5, 6] and were considered to be linear elastic, isotropic and homogeneous.
Sarangi, Finite Element Analysis of Femur Fracture Fixation Plates, International Journal of Basic and Applied Biology, 1(1), 2014, 1-5
Doddamani, Characterization of Mechanical Properties of SiC/Ti-6Al-4V Metal Matrix Composite (MMC) Using Finite Element Method, American Journal of Materials Science, 5(3C), 2015, 7-11
Filipović, Computational analysis of hip implant surfaces, Journal of the Serbian Society for Computational Mechanics, 13(1), 2019, 109-119.

Introduction Nowadays, the development of new cast iron materials seems to offer greater competition with other materials and makes cast iron a competitor for components that are not traditionally made.
Materials and Methods The material investigated in this study is nodular cast iron.
Wang, Synergy of ball-milling and pre-oxidation on microstructure and corrosion resistance of hot-dip zinc coating of nodular cast iron, Journal of Materials Research and Technology 16 (2022) 1402-1412 [10] A.
Darmawan, Teaching Finite Element Method of Structural Line Elements Assisted by Open Source FreeMat, Research Journal of Applied Sciences, Engineering and Technology 4(10) (2012) 1277-1286 [29] A.S.
Kartika, Effect of Magnesium on the Strength, Stiffness and Toughness of Nodular Cast Iron, Materials Science Forum 991 (2020) 17-23 [30] T.

The development of high-strength structural steels with yield strengths up to 1000 MPa results in the requirement of suitable filler materials for welding.
References [1] Withers, P.J., et al., Residual stress part 2 - nature and origins, 2001, Materials Science and Technology, Vol. 17, p. 366-375
[3] Francis, J.A., et al., Welding residual stresses in ferritic power plant steels, 2007, Materials Science and Technology, Vol. 23, p. 1009-1020
A., et al., The effects of filler material metal transformation temperature on residual stresses in a high strength steel weld, 2009, Journal of Pressure Vessel Technology, Vol. 131, p. 1-15
[13] Kromm, A., et al., In-situ observation of phase transformations during welding of low transformation temperature filler material, 2010, Materials Science Forum, Vol. 638-642, p. 3769-3774

The formulation is limited to linear-elastic materials but subject to be extended to elastic-plastic materials.
Journal of the Mechanics and Physics of Solids, 46(8):1319– 1342, August 1998
Journal of Elasticity, 91(1-3):5–148, April 2008
Computational Ma- terials Science, 96:472–484, January 2015
Metallurgical and Materials Transactions A, 42(2):365–372, June 2011.

[2] Erni Setyowati & Anggana Fitri Sadwikasari, 2013, Building Material Composition Influence to Sound Transmission Loss (STL) Reduction, International Journal of Advances in Materials, Processing and Manufacturing, Scopus indexed, Trans Tech Publications, 242-247
Adhesive Bonding of Wood Materials.
(Eds) ; Adhesive Bonding of Wood and Other Structural Materials.
USA : American Society for Testing and Materials
Forest Product and Wood Science.

MATERIALS AND METHODS MATERIALS ΒGS, isolated from the fermentation mycelium of Grifola frondosa; other reagents are reagents of AR grade.
THE JOURNAL OF ANTIBIOTICS, 51(1998)665-675
Journal of Triticeae Crops, 26(2006)163-166
Food Science, 29(2008)534-536.
Journal of Bacteriology, 178(1996)4381-4391

Through above experiments, material type of metal chips can be analyzed and material mark can be determined by comparison with the materials list used in the aeroengine.
Material mark also can be determined compared with materials list used in the aeroengine.
Non-metal chips mainly include non-metal sealing materials, rubbers and carbon deposition.
In engineering practice, chips of non-metal sealing materials are most frequent.
Journal of Basic Science and Engineering，Vol.8(2000): p.431 (in Chinese) [5] LI Yanjun， Zuo Hongfu, Wu Zhenfeng.

It mainly refers to the industrial products which become scrap after being used; some of the materials return to the industrial sector to get reused as raw materials
Some building materials and packing materials and solvents and other is such.
So, in the iron trained raw materials used by the steel enterprise.
China Environmental Science, 2005, 25(3): 320~323 [2] Hong Yu, Zhu Qingfang.
Inner Mongolia Normal University’s Journal (Philosophy and Social Sciences Edition), 2011, 7(1): 74~77 [3] Zhao Xiaodong, Wang Keyi, Research on the Model Selection Based on the Analytic Hierarchy Process for Circular Economy Development Mode[J].