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Online since: March 2014
Authors: Caori Takeuchi, Edwar Cordón, Patricia Luna
El Cairo.
El Cairo.
El Cairo.
El Cairo.
Maderas Determinación de la resistencia al cizallamiento paralelo al grano NTC775.
Online since: June 2022
Authors: Ehsan Omaraa, Ali A. Mnati, Kadhim K. Resan
Arshad et al. [19] 2018 · Metal having low S · FeSiMg alloy · FeSi alloy · Induction furnace · An increase in Si content, resulting in reduced UTS and an increase in El%, decreased HB and improved impact value C.
O et al., 2013) [11].
Variation of the El% of samples Table 5.
Oluwole et al., 2007; Lei Rao et al., 2014; Masato Tsujikawa et al., 2011) [14, 25,28].
Mehl et al., 1972) [15].
Online since: April 2012
Authors: Krzysztof Wolski, Patrick Ganster, Bagas Pujilaksono
Internal oxidation of Ni-W alloys during high temperature oxidation has already been observed by El-Dahshan et al. [5].
This value is slightly lower than the thermo-balance based measurements of El-Dahshan et al. for similar compositions [5].
El-Dahshan et al. suggest that this columnar-like oxide may result from the evaporation of WO3 oxide in NiW alloys [5].
This result is in good agreement with electrochemical measurements by Park et al. [7] who found 9.14x10-9 cm2.s-1 in pure nickel.
El-Dahshan, D.P.
Online since: March 2020
Authors: Iman El-Mahallawi, Hanan A. Abd El-Fattah, Mostafa H. Shazly, Waleed A. Khalifa
Abd El-Fattah1,a *, Iman S.
El Mahallawi1, Mostafa H.
Aherman et al, and Oura et al. [14], [15] presented the microstructure and the morphology of the thin films resulting from adatoms with different properties.
The deposition of Al thin film was conducted using the above-mentioned conditions, but with an Al target.
(a) SEM of Al thin film on Stainless steel substrate, (b) SEM of Al thin film on glass substrate.
Online since: January 2016
Authors: Khalid M. Saqr, Ahmed el Gibaly, Omar Diaa, Tamer Hassan, Omar A. El-Bassiouny, Ali I. Shehata
El-Bassiouny1,b, Omar Diaa1,c, Aly I.
Lee, S.W., et al., Importance of flow division on transition to turbulence within an arteriovenous graft.
Lee, S.W., et al.
Takao, H., et al., Analysis of cerebral aneurysms using Computational Fluid Dynamics (CFD).
Frösen, J., et al., Saccular intracranial aneurysm: pathology and mechanisms.
Online since: October 2010
Authors: Daniel Doni Jayaseelan, William Edward Lee, Fawad Inam, Bai Cui, Rafael Sa, Michael J. Reece
However, Ti, Al, and O were identified by EDS.
El-Raghy: Am.
El-Raghy, and G.
El-Raghy and M.W.
El-Raghy: Met.
Online since: January 2018
Authors: Roman Koleňák, Igor Kostolný
The strong bond between the SiC substrate and Zn-Al-Mg solder is attributed to the mass transfer of SiO2 into Zn-Al-Mg by induced cavitation erosion.
Chemical composition of experimental solder Zn [wt. %] Al [wt. %] Ag [wt. %] Zn-Al-Ag 88 6 6 To determine the melting point of soldering alloy, the DSC analysis was employed.
The dilution of Al to solder was observed on the side of MMC substrate.
References [1] LIU, C.H., KIM, Y.J., CHUN, D.W., et al.
[3] EL-DALY, A.A., EL-TAHER, A.M., GOUDA, S.
Online since: June 2008
Authors: Nahed El Mahallawy
Ambat et al [39].
El Mahallawy, R.Hammouda, S.
El Mahallawy, H.
El Mahallawy, H Palkowski, M.
El Mahallawy, M.
Online since: June 2007
Authors: Ho Kun Kim, Chang Hae Kim, Joung Kyu Park, Kyoung Jae Choi, Kyung Nam Kim
Next, a Ni/Au contact was evaporated onto the p-type GaN layer and a Ti/Al contact was evaporated onto the n-type GaN layer.
Sample (a) (b) (c) (d) (e) Peak Wavelength of LED Chip 405 nm 460 nm 405 nm 460 nm 405nm Precoated phosphors None None Blue Yellow Blue +Yellow Color of LED Lamp n-UV Blue Blue White White Results and Discussion Figure 1 shows the electroluminescence (EL) spectra of the samples : (a) an InGaN n-UV LED, (b) an InGaN blue LED and (c) a phosphor-conversion blue LED at RT under various forward-bias currents.
Figure 2 shows the EL spectra of sample: (d) a white LED in which a blue LED was combined with a yellow phosphor and (e) a white LED in which a n-UV LED was combined with blue and yellow phosphor at 20 mA.
EL spectra of (1) a white LED in which a blue LED was combined with a yellow phosphor [sample (d)] and (2) a white LED in which a n-UV LED was combined with blue and yellow phosphors [sample (e)] at 20 mA.
Wavelength(nm) 400 500 600 700 (1) Sample (d) (2) Sample (e) EL Intensity(a.u.)
Online since: January 2025
Authors: Azeddine Fantasse, Ali Idlimam, El Houssayne Bougayr, Abdelkader Lamharrar, Fatiha Berroug, Younes Bahammou, Said Bajji, Mounir El Hassan
El Houssayne, K.
Al-Ghawas, N.
Al-Hajji, A.
El Khadir, I.
El Hadrami, M.
Showing 901 to 910 of 9913 items