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Mohamed, I.Yahya: Research and Development. 12 (2007): p.1-6 [3] Shengyong Ye, Xiaoru Wang, Zhigang Liu, el al (In Chinese): Proceeding of the CSEE. 30 (2010): p.28-33 [4] Xueping Gu, Shaojie Cao (In Chinese): Journal of North China Electric Power University. 30 (2003): p.11-16 [5] Xiangdong Qiu, Chengqi Yu, Renmin Gong (In Chinese): Journal of North China Electric Power University. 29 (2002): p.48-51 [6] S.K.Tso, X.P.Gu, Q.Y.Zeng,et al: Electric Power System Research. 46 (1998): p.259-266 [7] B.Q.Tang, C.H.Deng, L.F.Liu: Power System Technology. 28 (2004): p.63-66 [8] D.Q.Yao, H.J.Jia, S.Zhao: Automation of Electric Power Systems: (Accepted) [9] ZuradaJ M, Malinowski A, Usui S: Neurocomputing. 14 (1997): p.177-193 [10] Pai M A.

Harbi, 2001; Bounif and al [6, 7]).
Because the earthquakes in Constantine’s “tell” are frequent, so the seismic zoning map prepared by the Algerian territory (CRAAG), and Bezzeghoud et al. 1996[10], shows that our study area is located in the area of seismic hazard means is characterized by active seismicity, with maximum intensities (between IX and X) of magnitude but moderate (3 to 6) on the Richter scale (Fig.5).
Fault of Ain ​​Smara [12] Many events that shook Constantine city and the east of Algeria, the earthquake of 1985 is considered the famous and largest seismic event in eastern of Algeria with a magnitude M =5.8, This earthquake has killed five people and injured 300 people, and there are several old buildings damaged, the most significant damage was recorded in the region of El-Aria, the intensity was measured at I = VIII (MSK) in this region [13].

Negrea, et al.
Al-Najar, Removal of lead copper chromium and cobalt ions onto granular activated carbon in batch and fixed-bed adsorbers, Chem.
[22] Hassan ML, Kassem NF and El-Kader AHA2010.

This fabrication method of the miniature size specimen was based on the reports of Kariya et al [8-10].
In addition, the compositions of some products were referred from the previous research by Hine et al [7].
El-Daly, A.E.

The random wave was El-centro seismic wave.
KIM, et al.
Zhou et al.

Chemical composition of the X-80 steel (wt%) C Mn S P Si Cu Ni Cr V Nb Mo Sn Al N Ti B 0.06 1.65 0.002 0.008 0.11 0.13 0.40 0.07 0.004 0.034 0.240 0.006 0.028 0.005 0.012 0.0001 A) Austenite Grain Growth Gleeble Simulation To simulate the non-isothermal austenite grain structure in the HAZ of a real weld, strip samples of 10mm X 60mm X0.7 mm dimension were machined from the pipe material and were heat treated by means of Gleeble 3500 thermomechanical simulator.
A) Effect of Heating Rate: Heating and Quenching: A striking aspect of the grain growth observed is that there is negligible difference between the grain sizes for 100 and 1000◦C/s heating rates, which is supported by the work of Grossmann [12] and Tobian et al [13].
Leap and E.L.

For example, Takafuji et al. reported the poly(1-vinylimidazole)-grafted magnetic nanoparticles which showed a selectivity of copper over cobalt ions [12].
Pavan et al. studied the anilinepropylsilica xerogel as a selective adsorbent for the adsorption of copper over cadmium ions [13].
The amine content of P-TETA was determined by Elemental Analysis with a CHN analyzer (Vario EL cube, Germany).

The corresponding chemical composition in mass per cent reads: Al = 11.8; Be = 0.5; Cu = 87.7.
The effective accelerations are similar to the higher “EL CENTRO” accelerations.
Zhu, “Mechanical properties of superelastic Cu-Al-Be wires at cold temperatures for the seismic protection of bridges”: Smart Materials & Structures Vol. 17 (2) (2008), Article Number: 025008 [4] A.

Tan, A.L.
Hameed and A.L.
El-Halwany: Desalination Vol. 250 (2010), p. 208 [7] K.Y.

One of the most recent studies on dry machining of T6061 aluminium alloy was performed by Tasnim et. al. [8], but no research has been done particularly on dry machining of T6061 Aluminum alloy using Si3N4 tools.
Furthermore, Si3N4 cutting tool was found to have better wear resistance when compared to Titanium Nitride (TiN) and Titanium Carbonitride (TiCN) coated tools from a recent research done by Tasnim et. al. (2012) for the machining of T6061 Aluminium alloy in dry and wet conditions.
Abou-El-Hossein, H.H.