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In addition, the values of the determined parameters implied that the oxygen species particated in cyclohexane ODH should be the lattice oxygen species, not the gas oxygen, which was in accordance with the reaction mechanism proposed by Kung et al. [9].The comparison between experimental and calculated values of cyclohexane conversion was presented in Fig. 2, which suggested that the calculated values reproduce the experimental data with a small fitting error (matching mean error 8.7%).
Spinace and E.L.

Hashim, Performance evaluation of supported ionic liquid membrane for removal of phenol, Journal of Hazardous Materials Vol.192 (2011) p. 1283-1290 [7] Rushdi I, Yousef, Bassam El-Eswed, Ala H.
Al-Muhtaseb, Adsorption characteristics of natural zeolites as solid adsorbents for phenol removal from aqueous solutions: Kinetics, mechanism, and thermodynamics studies,Chemical Engineering Journal Vol.171 (2011) p.1143-1149 [8] S.

Experimental Material and environment CNT specimens were machined out of a billet of as-cast AZ91D (Al: 8.8 wt%, Zn: 0.79 wt%, Mn: 0.21 wt%) magnesium alloy.
[3] Saris N-EL, Mervaala E, Karppanen H, Khawaja JA, Lewenstam A.

[4] Al-Muntasheri, G.
A., Nasr-El-Din, H.A., and Zitha, P.L.J.2008.Gelation Kinetics and Perfor- mance Evaluation of an Organically Crosslinked Gel at High Temperature and Pressure.

Ralston et al once proposed that a Hall-Petch type relationship may exit for corrosion rate and grain size [25].
El-Danaf, M.S.

El-Bagory, Hossam E.M.
[10] A.L.

[4] Abd El-Rehim H A, Hegazy E A, Khalil F H, et al.Radiation preparation of drug carriers based polyacrylic acid(PAAc)using poly(vinyl pyrrolidone)(PVP)as a template polymer[J].Nuclear [5] Ke Changmei, Wang Houzhi, Lu Lilin etc.

Influence of silica and zirconia particles as filler loading on the radiopacity of dental resin composites SAAD OMAR ALSHARIF1a, HAZIZAN BIN MD AKIL1b, NASSER ABBAS ABD EL-AZIZ2c and ZAINAL ARIFIN AHMAD1d 1School of Materials and Mineral Resources Engineering, Universiti Sains Malaysia,14300 Nibong Tebal, Penang, Malaysia 2Advanced Medical and Dental Institute, Universiti Sains Malaysia, 13200 Kepala Batas,Penang, Malaysia asaadelsharif@yahoo.com; bhazizan@eng.usm.my; cnasser@amdi.usm.edu.my; dzainal@eng.usm.my Keywords: Bis-GMA, TEGDMA, resin matrix, SiO2, ZrO2, filler loading, radiopacity.
However, the purity of aluminum step-wedges should be at least 98% (mass fraction) and the radiopacity should not be less than 0.5 mm Al of any value claimed by the manufacturer.

Guo et al. [15] found that SW defects can cause a significant increase in friction force and energy dissipation rate between the atomic smooth layers.
Recently, Liu et al. [16] reported that the existence of defects like vacancy and SW were found to increase the energy dissipation rate and rocking motion, thus enhancing the probability of oscillation failure.
Kis et al. [17] experimentally measured the inter-tube force of DWCNTs inside a TEM.
El-Barbary, R.H.

Bray et al. have shown that prior corrosion pitting reduced the fatigue strength of aluminium alloys 2024-T3 and 2524-T3 by approximately 40% [10].
Sankaran, et al. [5] used modelling approach to quantitatively account for the effects of prior corrosion on the fatigue behaviour of 7075 T6 Aluminium alloys.
(a) 0.3 0.5 0.7 0.9 0 200 400 600 800 1000 cdf of pit area Pit area (µµµµm2 ) 6 h 16 h 48 h 72 h 0.3 0.5 0.7 0.9 0 100 200 300 400 500 600 700 cdf of pit area Pit area (µµµµm2) 6 h 16 h 48 h 72 h (b) particles (Fig. 5a) on EDS analysis were observed to be of the Al-Cu-Fe type.
Bucci, E.L.