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Chen et al [5, 6] had deduced a model (Eq. 2) to illustrate the grinding power changes during a dressing life cycle, where the influence of grinding kinematics, dressing operation and wheel wear were taken into account
Acknowledgement: the author would like to express his acknowledgement to Peter Moran, Chen Jiang, Jianhui Zhu, Azaly Bin Buang and Aslam El-Moussaoui for their supports in carrying out the experiments.

Composition of aluminum alloy (% mass) Cu Mg Mn Si Fe Zn Ti Cr Al 4.00 1.50 0.60 0.50 0.50 0.25 0.15 0.10 Rest The Fatigue tests were performed in an Instron testing machine model R.R Moore.
El-Axir: Int.

The workpiece material used for the experiments is AlMn1Cu whose chemical composition includes Si 0.6%, Fe 0.7%, Cu 0.2%, Mn 1.0%～1.6%, Mg 0.05%, Zn 0.1%, Ti 0.15% in addition to Al.
El-Axir, O.M.

Typically, these models have concentrated on the magnitude and profile of sump-depth (molten Al in Figure 1) in a casting [1-2], stress-strain in the casting during cast-start [3, etc.], deformation and cracking in the casting as a result of the stresses within the casting [for e.g. 4-5].
El-Demerdash in: Light Metals, edited by S.K.

The main output factors of model (4) should be the sum of EL (environmental losses in production), RRA (rate of return on assets), ER (equity ratio) and so on, which deal with the firm's profitability.
A Balance Sheet, an Income Statement or other financial reports of the enterprises should be analyzed or investigated to obtain the PE, CAP, FAP, TA and AL.

[6] Al.
Shaer, El.

Box 11-8281, Riad El Solh 1107 2260 Beirut, Lebanon 3 Université de Lyon, INSA de Lyon, MATEIS-UMR 5510, Bât.
Elmer & al [8] have presented a diffusion bonding of high purity copper using a conventional furnace.

Box 179, New Borg El-Arab City, 21934, Alexandria, Egypt 2 Central Metallurgical R&D Institute (CMRDI), P.O.
Since the a-stabilizing elements (such as Al, O, N) stabilize also the b-phase in the b-type Ti-alloys, the b/b+w(+a") phase boundary shifts to lower-content of the b-stabilizing elements by the addition of a-stabilizing elements in the alloy.

El-Diasty, Optical properties of oxide glasses containing transition metals: case of titanium- and chromium-containing glasses, Curr.
Rodriguez, et al., Impact of tellurite-based glass structure on raman gain, Chem.

Methods 2.1 Synthesis and characterization of MCT- β-CD MCT-β-CD was prepared by the procedure reported in the work of Reuscher et al. [6].
EL-Mohamedy: Dyes Pigments Vol. 75 (2007), p.550