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El Moumen et al. [17] used the indentation test for comparing nano-composites at different weight load of CNTs.
Such behavior is consistent with that observed by El Moumen et al. on nano-composites manufactured by means of resin film infusion [17].
El Mehtedi, A.
El Mehtedi, A.
El Moumen, M.

[4] El-Shimy E et al.
[7] Abo-El-Enein SA et al.
[8] Abo-El-Enein SA, Shater MA, Nowar M.
[9] Abo-El-Enein SA et al.: ibid. 1990 ; 87: 147
[18] Lin RB et al.

El Briak-BenAbdeslam2, M.P.
Taking into account the reaction mechanism proposed by Gibson et al [5], in which some of the phosphate ions are replaced by silicate with the simultaneous creation of hydroxyl vacancies, the stoichiometry proposed for the reaction performed in this work was: *+* + * + OHSiOPOHPOCa CaSiO CaO DCPD 2 4444 9 3 12 135 › --
El Briak-BenAbdeslam, C.
El Briak-BenAbdeslam, C.

From these test samples the values of the YS, TS, El, n , r and (∆r) have been evaluated .
Table 2: Mechanical properties of the as-received AISI 430-E1 steel YS (N/mm 2 ) TS (N/mm 2) El (80) (%) n rm ∆r Hardness HV1) E.I.
(mm) 306 450 34.0 0.17 0.91 0.14 161 17.2 YS =Yield strength; TS = tensile strength; El (80) = Elongation on 80 mm; n = strain hardening coefficient; E.I. = Erichsen index; rm = normal anisotropy index; ∆r = planar anisotropy index.
The YS, TS, and El values have been obtained from samples taken in the RD, while the n, rm and ∆r values have been obtained from samples tested in the TD and diagonal to the RD.
Table 3: Mechanical properties of the as-received AISI 430-E2 steel YS (N/mm 2 ) TS (N/mm 2) El (80) (%) n rm ∆r Hardness (HV1) E.I.

Kaack et al [3] studied flavonoid degredation during the interaction with ascorbic acid.
Gaber et al proved that components contained in plant extract (PE) react with Fe ion in several stages.
Dai el al in their paper about metal chelate in anthocyanin mentioned that although it is not established yet many research tend to refer o-dihiydroxy chain in B ring as the location of metal chelate [11].
Abd-El-Nabey, I.M.
El-Zayady and M.

Al-Rajhi, E.M.
El-Sheikh, M.S.
El-Assar, A.Y.
El-Sersy, E.A.
[41] Mahmoud, Ahmed S., et al.

Mussati et al.[9] developed a mathematical model based on a superstructure, which simultaneously embeds an enormous number of alternatives, including three commonly operating modes for the evaporator: MSF-BR, MSF-M, and MSF-OT systems and their combinations.
El-Dessouky, I., Desalination, 115,155–179 (1998)
[4] Salah Al-Hengarim, Mohamed El-Bousiffi, Walid El-Mudir, desalination, 182, 73-85(2005)
[6] El-Dessouky, H.; Alatiqi, I.; Ettouney, H., Desalination, 115, 155-179( 1998)

The trapped electrons recombine with the incoming holes from the anode to produce highly intense electroluminescence (EL).
However, using OLED structures, Hirata et al. [13] have examined the carrier transport mechanism of a DNA complex.
The trapped electrons recombine with the holes from anode to produce higher electroluminescent (EL) intensity.
Apart from that, the variation concentration of surfactant also affects the (J-V) characteristics and EL intensity.
The enhancement of electroluminescent (EL) intensity and efficiency of the device has been achieved.

(Rogers et al. 2008). 3.
(Rogers et al. 2008, p. 22).
The energy consumption of enclosure structure and air condition can reduce by 54.2% and 10.8% respectively ( Luo et el. 2009).
Although at first the capital of greening tall buildings is more than that of traditional ones, it just requires 8 years to recover capital (Du et el. 2012).
City & Housing2009 [7] Rogers, P.P. et al. 2008.

El-Shaib1,b, A.
Zwoch, et al.: “Development and Qualification of a Process Oriented Nondestructive Test Method for Weld Joints to Operate With Remote Field Eddy Current Technique”, 9th European Conference on Non-Destructive Testing (ECNDT), Berlin, (2006) [5] F.
El-Araby: “Buckling detection within subsea pipeline laying using Acoustic Emission technique”, 29th European Conference on Acoustic Emission Testing (EWGAE ), Vienna, (2010) [8] P.
El-Gamal: Canadian J.
El-Shaib, “Predicting acoustic emission attenuation in solids using ray-tracing within a 3D solid model", PhD Thesis, Heriot-Watt University, Edinburgh, (2013) [16] M.