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Ahmed Abd El-Moneim, Egypt-Japan University of Science and Technology, Egypt Assoc.
Taher, Al-Gabel Al-Gharbi University, Gerian, Libya Asst.

Transfer, VOL.22 (1979), P.37 [5] D.Kiselmam:Astrophys.J, VOL.489 (1997), P.107 [6] A.A.M.Habib,Z.El-Gohary and J.Quant:Spectrosc.
Meisel, et al:J.
J, et al: Astrophys, VOL.288 (1994) P.860

Many conjugated polymers were designed and synthesized because of efficient blue photoluminescence (PL) and electroluminescence (EL) [2, 3].
Furthermore, the excitation energies of perylene tetracarboxylic diimides (PTCDIs) were obtained through the TD-HF/TZV(P) level by Zhao et al.[9], and other PTCDIs were optimized by DFT with the B3LYP function and the 6-31++G** basis in the Gaussian03 program, M.
Carmen Ruiz Deigado et al.[10].

[3] Yongjun Zhang, Chen Zhu, Lifeng Wang, et al.
Vol.62 (1996),p.358 [5] IWAMOTO Takashi,MURAMI Toshiyuki.Bar and Wire Steels for Gears and Valves of Automobiles---Eco-friendly Free Cutting Steel without Lead Addition.JFE TECHNICAL REPORT,(2004):p.74 [6] Takashi Iwamoto, Toshiyuki Hoshino, Akihiro Marsuzaki, at el.
Material Japan, Vol.42(2003),p.163 [7] Yongjun Zhang, Jingtao Han, Quanli Wang, et al.

The fluid velocity is v relative to the pipe wall, the friction of pig is Fw, effusion length is l, the pipe mass at unit length is mp, the fluid mass at unit length is mf, pipe bending stiffness is El and pipe cross-sectional area is A.
Li, et al: China Petroleum Machinery, Vol.33 (2005) No.8, pp.9-11
Mao, et al: Engineering Mechanics, Vol.17 (2000) No.2, pp.66-74

Application to the Machining of Al Alloys 3J.M.
AA2024 (Al-Cu) alloy is currently applied in the Aerospace Industry.
E (keV) 0 1 2 3 4 5 6 7 8 9 10 0 20 40 60 80 100 Al Fe Cu BUL Fe Cu AA2024 BUE BUL 50% Fe Cu AA2024 BUE BUL 50% 0 1 2 3 4 5 6 7 8 9 10 I (u.a.) 0 20 40 60 80 100 Al Fe Cu AA2024 0 1 2 3 4 5 6 7 8 9 10 I (u.a.) 0 20 40 60 80 100 Al Fe Cu AA2024 E (keV) 0 1 2 3 4 5 6 7 8 9 10 I (u.a.) 0 20 40 60 80 100 Al Fe Cu BUE E (keV) 0 1 2 3 4 5 6 7 8 9 10 I (u.a.) 0 20 40 60 80 100 Al Fe Cu BUE I (u.a.)
Al, Cu and Fe relative peak intensities comparison.
Marcos, Relaciones Paramétricas en el Mecanizado, Serv.

Fig. 2, Photodegradation profiles of salicylic acid on annealed (Ela) and nonannealed (El) TiO2 aerogels as compared to a commercial powder (Degussa).
El-Sayed, Chemistry and Properties of Nanocrystals of Different Shapes, Chem.
[22] Al.
El-Sayed, Small is Different: Shape-, Size-, and Composition-Dependent Properties of Some Colloidal Semiconductor Nanocrystals, Acc.
El-Sayed, Optical properties and ultrafast dynamics in metallic nanocrystals, Annu.

Crundwell [et al.], Extractive Metallurgy of Nickel, Cobalt and Platinum Group Metals, Elsevier, Oxford, 2011
Chemodanov [et al.], The Effect of Potential on the Rate of Dissolution of Platinum in Hydrochloric Acid Solutions, J.
Voinov [et al.], Indicators of Rhodium Powder Electrochlorination Technology, J.
Konik [et al.], Electrochlorinator for Dissolution of Placer Platinum, J.
[18] E.L.

Relevant published research work can be summarized as follows: Kline et al. [1, 2] discussed the effects of cutter run-out on the shape of the tooth marks in end milling process.
Sutherland et al [3, 4] have reported the form error in peripheral end milled surfaces considering tool geometry and tool deflection.
Ranganath et al [7] was focused on a systematic modeling and measurement technique for cutter runout in peripheral milling, and described the effects of runout on the cutting forces and surface texture.
Denkena et al [11] presents a method for the reconstruction of surface topographies of peripheral milled surfaces based on measured cutting forces.
El-Wardany, E.

The point EDX analysis proved that these phases contain about 60 wt. % of Al, 20 wt. % of Si and 15 wt. % of Fe (Fig. 2).
El AN Series unn.
Al-Helal.
Samuel, On the Fractography of Impact-Tested Samples of Al-Si Alloys for Automotive Alloys.
Sena, et al, Influence of chemical composition and impurities on microstructure and formation of intermetallic phases in selected aluminum alloys.