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The pioneering work on the carbonitriding of mild steels with cassava leaves was done by Ibironke et al. [29].
Inoculation was carried out with ferro-silicon (Si = 70 - 75%; Al = 0.75 – 1.25%; Ca = 0.75 – 1.25%).
This was used to determine the weight percentages of the following alloying elements: C, Si, Mn, P, S, Cr, NI, Mo, Al, Cu, Co, Ti, Nb, V, Pb, Mg, B, Sn, Zn, As, Ce, Zr, La and Fe.
El Mansori, “Study of dry and minimum quantity lubrication drilling of novel austempered ductile iron (ADI) for automotive applications”, Wear, Vol. 271, pp. 2412–2416, 2011
El-Rahman, An investigation on the microstructure, tribological and corrosion performance of AISI 321 stainless steel carbonitrided by RF plasma process, Surface & Coatings Technology, (205) pp. 674–681, 2010

The research of La Russa et al. [13] showed a quite well effectivety of an aqueous formula of titianium dioxide nanoparticles, dispersed in an acrylic medium, as a durable coating for carbonate stones.
As a supplement of these findings, a recent study of Crupi et al. [14] has demonstrated that a mixture of TiO2 nanoparticles and siloxane-based polymeric material was able to penetrete deeply into the stone matrix and to produce a self-cleaning surface.
In their study to protect the surface of some architectural structures, Sassoni et al. [18] have reported that the application of nano-TiO2 over a previously formed HAp-NPs layer was resulted in durable effective self cleaning properties.
In our case, the HAp-NPs have been produced according to the method of Yubao et al. [20].
Samples The plaster samples analyzed in the current work were collected from El-Bagawat cemetery in the El-Kharga Oasis of the Western Desert, Egypt.

., College of Engineering, University of Al-Qadisiyah, Al-Diwaniyah, Iraq 2Department of pharmacognosy and medicinal plants, Faculty of Pharmacy, University of AlKafeel, Najaf, Iraq, 52001 3College of basic education, university of Kufa, Najaf, Iraq anabel.abdali@qu.edu.iq, bahmed.raee@qu.edu.iq, cmohanad.assim@alkafeel.edu.iq, dhussaina.alaasam@uokufa.edu.iq Keywords: EPDM, SMR20, carbon black, flexible rubber compounds, transient response.
Arguello et al. (2016) [12].
H., El Gamsy, R., & Abdel Latif, M.
Experimental and numerical investigation of factors that affecting in frictional welding of mild steel and Al alloy A356.
R., & El-Sebaie, M.

Lee et al also found that the LCST in the acid medium was increased with decreasing pH of PBS due to the ionization degree of the amine groups [12].
El-Sherbiny, R.J.
Abdel-Bary, et al: Eur.

Colloid and Polymer[J], 2004,3:8 [3]Ugelstad J, El-Aasser M S, Vanderhoff J W.
[4]Landfester K, Bechthold N, Tiarks F, et al.[ J ].Macromolecules,1999, 32: 5222~5228 [5]Ni Peihong,Li Jieai,Yu Zhangqing.
Advanced Chemical Engineering,2002,16: 503~507 [6]Li M, Daniels E S, Dimonie V,et al.Preparation of polyurethane/acrylic hybrid nanoparticles via a miniemulsion polymerization process[J].Macromolecules,2005,38(10):4183-4192

Dash et al. [7, 8] proposed to use entropy to rank the features of data.
Licheng Jiao et al. [6] used entropy to rank the features in Ng-Jordan-Weiss (NJW) method in the spectral clustering.
Chiang, E.L.

Test setup Structural model Figure 4 Test setup and structural model for hybrid tests The EL Centro earthquake record was used as the excitation with the PGA scaled to 0.140g, 0.408g, and 0.633g in test FOE, DBE, and MCE.
Yang, et al, Networked pseudo-dynamic testing part Ⅱ: application protocol approach.
Guo, et al, Development of a network platform for remote hybrid dynamic testing.

Recently, a semiactive damper has been studied theoretically as an alternative to a transverse passive viscous damper for reducing cable motion, and it may be a potential method to reduce the cable motion dramatically (Johnson, et al. 2007)[8].
Recent field tests (Hiroki Yamaguchi and Manabu Ito.1997, Hiroki Yamaguchi, et al. 2001) [9, 10] have indicated that the damping performance of cable-stayed bridges is highly dependent on coupling of the response between the cable and the bridge girder.
El-Centro earthquake wave as shown in Fig.5 (a) is used.

., et al., Mechanical and tribological properties of glass–epoxy composites with and without graphite particulate filler.
[2] Yousif, B.F., et al.
El-Tayeb, Adhesive Wear Performance of T-OPRP and UT-OPRP Composites.

Uvarova et al., Concrete Ice Abrasion: Deterioration Mechanisms, Testing and Modeling, Proc.
Trejo et al., Mechanical Properties of High-Strength Concrete for Prestressed Members, Structural J., 4 (2004) 457-465
Alkaysi , Sherif El-Tawil, Z.