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The nanotubes blended with Fe-Al 2O3 ceramic composites is generally prepared by hot pressing method [7].
Saladin El Naschie, Nanotechnology for the developing world, Chaos Solitons Fractals, 30 (2006) 769–773
Johnson et al, Carbon nanotube composites for thermal management, Appl.
Al-Haik, M.
Hussaini et al, Enhancement of thermal and electrical properties of carbon nanotube polymer composites by magnetic field processing, J.

Siergiej et al., “Advances in SiC materials and devices: an industrial point of view,” Mater.
Alexandru et al., “SiC Integrated Circuit Control Electronics for High-Temperature Operation,” IEEE Trans.
Pensl et al., “Traps at the SiC/SiO2-Interface,” MRS Online Proc.
El, “Basic Mechanisms of Threshold-Voltage Instability and Implications for Reliability Testing of SiC MOSFETs,” IEEE Trans.
Uhnevionak et al., “Comprehensive Study of the Electron Scattering Mechanisms in 4H-SiC MOSFETs,” IEEE Trans.

The growing of compound layer and diffusion zone is connected with the precipitation of Al-ions and V-ions into unsaturated matrix.
However, based on this x-ray elemental mapping, V is reduced but still present in the compound layer (Fig. 6(d)), whereas Al (Fig. 6(c)) showed a negligible presence.
A clear boundary between the compound and the diffusion layer can be seen in Fig. 7(b), as reported earlier [32], and underneath the compound layer is the diffusion zone that consists of an interstitial solution of nitrogen in the α-Ti phase (with partially diffused “impurities” Al and V).
(a) (c) (b) 20 µm Al Ti Figure 6.
Cross section of the Ti64 bar produced by SLM and gas nitrided at 900 ºC for 5 hours Table 2(a): EDS analysis of the cross section of Ti64 bar as shown in Figure 7(a) Spectrum C N O Al Si Ti 1 13.13 34.55 9.42 0.10 0.30 42.50 2 7.42 32.23 6.30 0.19 0.27 53.59 3 4.93 29.75 3.04 0.20 0.27 61.81 Table 2(b): EDS analysis of the cross section of Ti64 bar as shown in Figure 7(b) Spectrum C N O Al Si Ti V 1 0.58 0.33 1.36 1.05 0.17 93.94 2.57 2 0.94 0.82 2.60 1.22 0.27 91.75 2.40 3 0.72 1.38 - 1.01 0.27 93.89 2.73 4 0.68 1.92 0.17 1.28 0.24 92.88 2.83 Based on Table 2(b) results, Al and V diffused out of this N-enriched layer into the grown diffusion zone changing the solid solubility which results in a higher attraction of α(N)-Ti.

Okoli et al. [75] compared both methods in the synthesis of magnetite.
An interesting study was conducted by Riccardo et al. [138].
El-Alaily, M.K.
El-Nimr, S.A.
Lu, E.L.

The details underlying theory is also reported by many groups including Moskovits et al., Zhang et al., Xu et al., etc. [25, 31-32].
Similar observation was also reported by Nie et al. [62].
To the very first, two groups, Nei et al. and Kneipp et al.
El-Sayed, M.A.
El-Sayed, Au nanoparticles target cancer, Nanotoday 2 (2007) 18-29

Alloy designation Production route Heat treatment Rp02 [MPa] Rm [MPa] El % Ref.
[58-63], Al-Cu [64- 65] and Al-Zn alloy families [66-67].
Haga et al. [68], for instance, showed that the small size of primary α-Al, depending on the SSM processing method used, can increase the elongation to fracture up to the 18%.
Review about the fatigue resistance of Al SSM alloy can be found in the literature [15].
Emamy, Investigation of the effect of Al–5Ti–1B grain refiner on dry sliding wear behavior of an Al–Zn–Mg–Cu alloy formed by strain-induced melt activation process, Materials and Design, Vol. 46, pp. 766-775, 2013

According to Hess et al. [10], the integration and the exploitation of digital technologies represent one of the biggest challenges that companies have to face.
According to Liere-Netheler et al. [12], these enabling factors can be classified into external, organizational and individual.
Henriette et al. [17] state that the obstacles to digitalization can be strategic, organizational and cultural.
Finally, Liere-Netheler et al. [12] propose a further challenge, namely high capital expenditures.
Syst. 28, 118–144 (2019). https://doi.org/10.1016/J.JSIS.2019.01.003 [9] Bharadwaj, A., El Sawy, O.A., Pavlou, P.A., Venkatraman, N.: Digital Business Strategy: Toward a Next Generation of Insights.

Pal et al in their study reported that caries-free children had higher sIgA level than caries children [17], indicating the effective defense function of sIgA in caries-free individuals [18].
Research of Shifa et.al (2008) [29] and Koga et.al (2004) [30] reported another thing that there was no difference in sIgA level between caries-free and ECC children (p> 0.05).
[18] Heigetyan AV, Bragin EA, Maksiukov SY, Labushkina AV, Alutina EL, Harseeva GG, 2015.
[22] Moslemi M, Sattari M, Kooshki F,Fotuhi F, Modarresi N, Sadrabad ZK, et.al., 2015.
Challenges to improvement of or al health in the 21st century -The approach of the WHO global oral health programme.

Khan et al. [2] analyzed the effects of solar radiation and chemical reaction on entropy generation of nanofluid flow over a stretching sheet by using the shooting method.
Heat transfer fluids including the suspensions of nanoparticles (Al, Cu, Al203, CuO, silica, carbon nanotubes, etc.) [9].
The work of Malik et al.[12] has had a significant impact on recent advances in nanofluid preparations and their potential future applications in a variety of areas.
El-Aziz and A.
Al-Lawatia, Heat transfer in micropolar fluid along an inclined permeable plate with variable fluid properties, International Journal of thermal sciences. 49 (2010) 993-1002

Al-Ahmad, A.
Abou-El-Hossein, K.