Search results

Chang, et al., Optical Engineering, Vol.49 (2010) No. 6,p.1-6 [4] T.
El-Zaiat: Opt.

Since wind energy is a clean and renewable energy, systems transforming wind power to electrical energy has been developing quite fast (Aras, et al. 2003).
[10]Albadi MH, El-Saadany EF, Albaid HA,Wind to power a new city in Oman, Energy 34 (2009) 1579-1586

Effect of Nanotechnology on Physical Properties of Concrete Leila Remache*1, Nacerddine Djermane2 1, 2 Department of mechanical engineering, Sciences and Applied Science faculty, Larbi ben M’Hidi university, Oum el bouaghi, ALGERIA.
[16] S.H.Chen and al.

Hsing-I Hsiang et al. [12] prepared Co2Z particles by molten salt method using Li2SO4-Na2SO4 mixture and reported the changes of magnetic properties, whereas particle morphology wasn't homogeneous and containing a quantity of BaSO4 and spinel phase.
El-Sayed and E.M.A.

Keddam Faculté de Génie Mécanique et Génie des Procédés, Département de S.D.M, B.P N°32, 16111, El-Alia, Bab- Ezzouar, Alger, Algérie keddam@yahoo.fr Keywords: Boriding, Growth kinetics, Iron boride, Incubation time, Diffusion model.
The incubation time, inct , required for an appearance of the BFe2 iron boride was obtained by a linear regression from the experimental data taken from Campos-Silva et al. [6].

The construction of multi-scale wavelet-based element The static disc is modeled by a Rayleigh-Timoshenko beam considering the effects of the cross-section inertia and shear deformation, the elemental potential energy eU can be written as x x w k GA dx x EI U e e l l z e d) d d ( 2 ) d d ( 2 2 0 2 0 θ θ − + = ∫∫ (3) where E is Young's modulus, zI is the moment of inertia, ),( txw is the transverse displacement, el is elemental length, Gis the shear modulus, A is the area of the cross-section, k is the shear deformation coefficient (In the present work, we suppose 9/10=k ), and ),( txθ is the rotation of the beam section due to bending.
The layout of elemental nodes and the corresponding DOFs where { }T21 p e www K=w , { }T21 p e θθθ K=θ , the column vector and transformation matrix eT is 1T 1 T 2 T 1 T ))]( )( )(([ − + = pj j j e ξ ξξ Φ ΦΦT K (7) Substituting Eq.(6) into Eq.(3) and Eq.(4) respectively, we obtain       ∂ ∂ ∂ ∂ + ∂ ∂ ∂ ∂ = + + + = )()( 2 1 )()( 2 1 )()( 2 1 )()( 2 1 )()( 2 1 )()( 2 1 ,T ,T 4,T 3,T 2,T 1,T t tt t T U e re e e be e e eee eee eee eee e θ M θw M w θKθwKθθKwwKw (8) where stiffness sub-matrices are )()( 1,1T 1, e e e e kl GA TΓT K = , )()( 0,1T 2, e e e k GA TΓT K −= , T2,3, )( ee KK = and )()()()( 0,0T 1,1T 4, e ee e e e ze k GAl l EI TΓT TΓT K + = ; the mass sub-matrices )()( 0,0T , e e e be Al TΓT M ρ= and )()( 0,0T , e e e zre l I TΓT M ρ = , in which

[3] A Hbeish and Z H El-Hilw, Coloration Technology. 117(2001)104
[7] D.K.Liu, Z.P.Gu and J.X.Qiu,et al, Printing and dyeing. 30 (2004) 5.

Fig.3 is El-centro wave acceleration which is adopted in seismic wave.
CQSLBFY096) References [1] F.Gao, Y.C.Shi, S.H.Yan et al.: China Journal of Highway and Transport.

The Ultraviolet-visible spectrophotometry method was used to determine polygalacturonase (PG) and polymethylgalacturonase(PMG) by a UV Lambda 25 in 540 nm wave length, while the method of Hoffman et al. was conducted to determine polygalacturonic acid trans-eliminase, (PGTE) and pectin methyl trans-eliminase, (PMTE) in 232nm wave length.
EL-Abyad, M.

The equations for the above models are defined in details by Pillai et al. [4].
Abd El-Hady and S.