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Compared with the traditional method based on Newton theory and linear system theory, Complex science offered a new thought.
It exchanges material, energy and information with the complex environment in order to increase the adaptive ability.
We should choose the correct thought model and with the help of methods offered by complex science at the beginning of the research.
Complex science research, Democracy and Construction press,1999,125-128
XICOMASQ: An XML-based Information Content Oriented Multi-Agent System for QoS management in telecommunications networks, Web Intelligence and Agent Systems, An international journal, Vol. 2, 55-70,2004.

Al-Roubaiy2,b, Nawal Mohammed Dawood3,c 1,2Metallurgical Department, College of Materials Engineering, University of Babylon, Babil, Iraq. 3Department of Metallurgical Engineering, College of Materials Engineering, University of Babylon, Babil, Iraq.
Introduction Tool steel considers one of the important materials in engineering applications.
Lisiecki, Laser modification of the materials surface layer–a review paper. 
Bulletin of the Polish Academy of Sciences: Technical Sciences, Vol. 60, No. 4, (2012) pp.711-728
Engineering and Technology Journal, 36(3 Part (A) Engineering), (2018), pp.344-349

Experimental The carbon steel with the composition (wt %) of 0.15C is prepared by using industrial pure iron, carburant as raw materials.
Emi, et al: Materials Transactions-JIM Vol. 37 (1996), p. 620 [2] H.Shibata, Y.Arai, M.Suzuki,T.Emi: Metallurgical and Materials Transactions B Vol. 31 (2000), p. 981 [3] D.Phelan, M.Reid, R.Dippenaar: Metallurgical and Materials Transactions A Vol. 37 (2006), p. 985 [4] N.J.Mcdonald, S.
Metallurgical and Materials Transactions: A Vol. 3 (2003), p. 1931 [5] N.
Sridhar: Journal of Materials Science.Vol. 40 (2005), p. 2411 [6] Y.
Shibata: Metallurgical and Materials Transactions A Vol. 36(2005), p. 3065 [7] G.

As the raw materials of exfoliated graphite, graphite flake and graphite powder have different surface activity.
Electromagnetic interference shielding effectiveness of carbon materials.
Progress in Materials Science, 2005, 50: 93-179
Journal of Inorganic Materials, 2007, 22(5): 985-990
Materials Science and Technology, 2008, 16(3): 435-438.

Therefore, in selection of the composition of external layer of WRC, preference was given to the most hard and refractory compounds containing maximum SWACS of sp3 type (materials with predominantly metallic bonds), s2p6 (materials with mixed types of bonds) and d5 (materials with covalent and ionic bonds) alloyed Al and Si.
Properties of a cutting tool with WRC were studied in dry turning, drilling and milling of steel and hard-to-cut materials with the use of standard machine tools.
Materials Vol.496 (2012), p. 67
Cutting tools nitriding in plasma produced by a fast neutral molecule beam // Japanese Journal of Applied Physics.
Vacuum-arc evaporator of metals with an extended planar cathode // Proceedings of Materials Science Forum. 1998. 287-288. p. 323-326

In order to provide a material object for researching the least privilege principle, we define the least privilege mining problem (LPMP) and its two variations: δ-approx LPMP and MinNoise LPMP.
The main contributions of this paper is to provide a material aim for research the least privilege principle of RBAC by mapping this problem to some formal definitions in mathematics.
Communications in Computer and Information Science, 2008, 9:146-157 [4] Jaideep Vaidya, Vijayalakshmi Atlur, Qi Guo.
Journal of Universal Computer Science, 2009, 15(3):538~554 [8] M.A.

This approach is mostly used in joining of dissimilar materials.
Later, Jenning [6] and Lucas [7] investigated the properties of the dissimilar materials welded by friction welding and the process parameters on friction welding method in 1970s.
Experimentation Materials & Methods The materials used in this experimental study were cylindrical rods of Austenitic stainless steel – 304 and RPV steel having length 70 mm and diameter 12 mm each.
IMechE Part-C Journal of Mechanical Engineering Science , Vol. 220, 2006, pp.1121-1133
[3] Sahin Mumin, “Evaluation the joint-interface properties of austenitic-stainless steels (AISI 304) joined by friction welding”, Materials & Design, Vol. 28, Issue 7, 2007, pp.2244-2250

Materials and Corrosion. 54 (2003) 440-446
In Applied Mechanics and Materials.
Gassman, Damage assessment of concrete bridge decks using impact-echo method, Materials Journal. 99(2002) 273-281
Sansolone, Detecting flaws in concrete beams and columns using the impact-echo method, Materials Journal. 89(4) (1992) 394-405
ARPN Journal of Engineering and Applied Sciences, 11(23) (2016), 13909-13924

Introduction Low carbon steel is one of a number of crucial structural materials because it has stable chemical and respectable mechanical properties.
Experiment Materials Low carbon steel (1 mm in thickness) with the compositions listed in Table 1.
Sapientum (Banana) Peels as Green Corrosion Inhibitor for Mild Steel, Key Engineering Materials, Vol. 797, (2019), 230-239
Török, Corrosion testing on steel reinforced XD3 concrete samples prepared with a green inhibitor and two different super plasticizers, Materials and Corrosion, (2019), 1-11
Science 60 (2012), 112–117

The composite can be a promising scaffold material for tissue engineering. 1 Introduction One of the key technologies in tissue engineering is the preparation of scaffold material for cell culture and tissue repair.
Hydroxyapaite (HA) ceramics have been used as tissue engineering material because of its good biocompatibility and osteoconductivity[7,8].
In this study, we prepared highly porous three-dimensional sponges composed of HA and ALG by the freeze-extraction and freeze-gelation methods [14]. 2 Materials and methods 2.1 Preparation of porous composite.
Science, Vol.226 (1984), p. 630 [9] Toshiaki Kitsugi, Takao Yamamuro, Takashi Nakamura: Biomaterials Vol.14 (1993), p. 216 [10] Suchanek W, Yoshimura M: J Mater Res Vol.13 (1998), p. 94 [11] Wei Jie, Li Yubao: European polymer Journal Vol.40 (2004), p. 509 [12] Wang Xuejiang, Li Yubao,Wei jie: Biomaterials Vol.23 (2002), p. 4787 [13] Du C, Cui FZ, Feng QL, Zhu XD, de Groot K: J Biomed Mater Res Vol.42 (1998), p. 540 [14] Ming-hua Ho, Pei-Yun Kuo, Hsyue-Jen Hsieh: Biomaterials Vol.25 (2004), p. 129 [15] Li Yubao, de Wijn J, Klein CPAT, Van de Meer S, de Groot K: J Mater Med Vol. 5 (1994), p. 252 [16] Petra Eiselt, Julia Yeh, Rachel K.