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Nejat et al. [1] performed numerical investigations of power-law fluid flows over a pair of identical circular cylinders which are confined in straight channel.
Salcedo et al. [2] presented in two dimensional simulations the mixed convection heat transfer from a pair of equal-sized cylinders of circular cross-section.
Mishra et al. [6] numerically studied the forced convection heat transfer of non-Newtonian power-law fluids through a ventilated cavity where there are two circler cylinders placed in tandem and side-by-side arrangements.
The work has tested the influence of cylinders arrangement, Reynolds number and power-law index on flow patterns and heat transfer. karimi et al. [7] numerical investigation has been carried out to study the steady-state mixed convection heat transfer from two circular cylinders placed at the center of ventilated cavity with tandem arrangement.
Talkhoncheh et al. [8] numerically investigated the forced convection heat transfer of two horizontal circular cylinders placed in tandem arrangement inside a square cavity, the enclosure is ventilated.

Khelladi et al. [2], Ballesteros-Tajadura et al. [6], Lin. [7], Youni et al. [8] and Liu et al. [9] studied fan noise radiation through the following approach: unsteady flow fields firstly are obtained by CFD, then sound sources are extracted, and finally sound radiation to free field is calculated through FW&H equation (the general form of Lighthill’s acoustic analogy theory, we discuss it in Section 4) ignoring the presence of casings.
Koopmann et al. [10] employed BEM with experimental vibration data of the casing to compute the casing noise radiation of a centrifugal fan; in this study, we used FEA technique to obtain the vibration data.
El-Hachemi, A.

Mounir El Sayed, B.
Etoh, Akira Yamauchi, et al.
[6] Jingya Zhang, Haoqin Zhang, Tan Ling-yan et al.
CN1864832(2006) [9] Mitsuru Higa, Dai Masuda, Eisuke Kobayashi et al.
[10] Yufeng Zhang, Hao Guo, Enhua Liu, et al.

Shao, et al.: Adv.
Westland, et al.: Adv.
El-Mowafy, et al.: J.
Sophr, M.F. de Goes, et al.: J.
Kleverlaan, et al.: Dent.

Zhen et al. [13] suggested weakening the layer-layer interaction in illite clay minerals by acid treatment and following dimethyl sulfoxide (DMSO) intercalation for promoting the illite clay mineral intercalation and exfoliationin a polymer matrix.
This reflex shift indicates to DMSO monolayer intercalation in kaolinite [17], where DMSO forms hydrogen bonding with kaolinite Al-OH and Si-O surface groups.
The chemical analysis of the clay samples determined that after the acid treatment, the content of the Al, Fe and Mg elements decreases (as indicated in a Table 1).
This is related to the partial dissolution of octahedral and tetrahedral sheets of clay minerals [18], which resulted in release of central ions from octahedra (Al, Fe, Mg) and tetrahedra (Al).
Kusworo, E.L.

Romero et al. [4], Chung et al. [5].
Pandey et al. [6] and Eltahwani et al. [7] have proposed some methods that most of them uses CO2 laser to conduct laser cutting processing on AISI316L.
In Other work, by Choudhury et.al [8] was investigated the laser cutting processing of polymeric materials by using CO2 laser.
El-Tayeb: A new approach of Adaptive Network-based Fuzzy Inference System modeling in laser processing-A Graphical User Interface (GUI) based.

Chaturvedi and Allnatt [26,27] and Sharma et al. [28,29] have shown that instead of solving the correlated part in real space it is much more convenient to work in Fourier space.
As compared to Sandhu et al. the present results show less variation with CA and are in rather better agreement with the simulation data.
The results of Sandhu et al. [24] are in much better agreement with the simulation up to 08.0=α .
Allnatt and E.L.
Collective correlation factors (B) AB (A) ABBBAA, f,f,ff as a function of A-atom composition CA for 0.04α = : (⎯⎯) Calculated values, * * * ) Simulation results, (-----) Sandhu et al. [24].

., Kushan City); X-ray Diffractometer (Type: Rigaku D/max-2200PC, Rigaku, Japan); Element Analyzer (Type: Vario ELⅢ,Eric Bustamante Corporation, Germany); Scanning Electron Microscope (Type: KYKY-1000B,Science Apparatus Plant of the Chinese Academy of Science); Specific Surface Analyzer (Type: SSA-4200, Build Electronic Technology Co., Ltd., Beijing).
References [1] Satoshi F, Hiromi M, Kazushi A, et al．Catalytic action of sulfatedtin oxide for etherification and esterification in comparison withsulfated zirconia [J].
[2] Hiromi M, Daishi S, Kazushi A, et al.
[10] Xuefen Liu, Le Zhang, Yahua Shi, et al.
In Chinese [11] Jianguang Guo, Zhong Li, Hongxia Xi, et al.

[13] Vidal-Setif M, Lancin M, Marhic C, Valle R, Raviart J-L, Daux J-C, et al.
On the role of brittle interfacial phases on the mechanical properties of carbon fibre reinforced Al-based matrix composites.
Control of interfaces in Al-C fibre composites.
Interface microstructure and reaction in Gr/Al metal matrix composites.
[22] Ahmed A-MM, Abdel-Rahman AA-H, El Adl AF.

Preparation of flour from JSS used a modified method of Tulyathan et al., (2002) [6] and Mukprasit and Sajjaanantakul (2004), [7].
Based on Aziz et al., (2007), value of BOD5 for leachate with age more than 15 years was 50 mg/L, so the current value of BOD5 for MLS was acceptable.
This also conformed to Bashir et al., (2010a), who reported that the significant value of the Lack of Fit was due to exact replicate values of the independent variable in the model that provide an estimate pure error.
Coagulation–flocculation pretreatment of sanitary landfill leachates, Chemosphere 53, 737–744 [3] Al-Hamadani Y.
O., El-Dash, A.