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Adachi et al made a red phosphorescent OLED for bis[2-(benzo[b]thiophen-2-yl)pyridinato]ir(III) (acetylacetonate) (btpy)2Ir(acac) as a dopant [2].
Device ITO/PEDOT:PSS/PVK: PBD: Ir(btpy)3 (0.5, 2, 8 and 12 wt %)/TPBi/LiF/Al, device ITO/PEDOT: PSS/PVK: Ir(btpy)3 (8 wt %)/TPBi/LiF/Al and device ITO/PEDOT:PSS/CBP: Ir(btpy)3 (8 wt %)/TPBi/LiF/Al were fabricated.
Fig. 3 The CV curves Fig. 4 EL spectra EL properties.
EL spectra were exhibited in Fig. 4.
EL main peaks (14 V) were at 600 nm, shoulder peaks were at 649 nm.

El hami and al. 2004) where the optimization process is carried out in a Hybrid Design Space (HDS).
El hami. 2010).
El Hami, B.
Abo Al-kheer, A.
El-Hami, M.G.

El-Bitar, M.
El-Bitar, M.
El-Bitar, M.
El-Bitar, E.
El-Bitar, "Hot Deformability of Si-Steel strips Containing Al," Hot Deformability of Si-Steel strips Containing Al” International Journal of Chemical, Molecular, Nuclear, Materials and Metallurgical Engineering, vol. 11, no. 10, pp. 643-647, 2017

Hansen et al. (1998) found out that ENSO has an economic impact on the peanut, tomato, cotton, corn and soybean [3].
For purpose of better analysis El Nino and La Nina phenomenon, choose out El Nino peaks2 When ONId index is greater than 0.5, the peak is defined as the El Niño peak.
Fig. 3 shows the El Nino peaks and the La Nina valleys.
The following table is arranged in chronological order: Table 1 Data at El Niño peaks and La Nina valleys Point ONId Closing price La Nina valley -0.97 614 El Niño peak 0.532 588.75 La Nina valley -0.605 591.5 El Niño peak 0.961 596.25 La Nina valley -0.567 560.88 El Niño peak 0.67 506.75 La Nina valley -0.507 547 El Niño peak 0.683 671.88 La Nina valley -0.641 944 El Niño peak 0.957 580.5 La Nina valley -0.883 672.13 El Niño peak 1.12 385.13 La Nina valley -1.08 313.88 El Niño peak 1.12 355 La Nina valley -0.773 451.88 El Niño peak 0.79 293 La Nina valley -0.655 448.9 El Niño peak 1.46 371.93 La Nina valley -0.937 1041.61 El Niño peak 0.718 550.77 Analysis of the results.
The impact of El Nino on global climate is gradually increasing.

Song et al. [20] concluded that the energetic grain boundaries (subgrain boundaries) and dislocation results in the lower corrosion resistance of the ECAPed pure Mg than that of the as-cast pure Mg although the former grains is much finer that the latter.
While Pu et al.[21] reported that the remarkably improved corrosion resistance of AZ31 in NaCl solution after severe plasticity burnishing (SPB) was caused by the grain refinement and strong basal-textured grain orientation.
With further deformation, the as-drawn high-purity Mg rod has better tensile properties with YS of 134.1MPa, UTS of 199.4MPa and EL of 15.3%.
Sun et al. reported that the corrosion rate of the 99.95% pure Mg in SBF was slow down by the grains refining [26], lots of similar research results can be listed [16,27].
(2)The YS, UTS and EL of the as-cast high-purity Mg were 26.6MPa, 69.2MPa and 5.6%, respectively, For the as-extruded high-purity Mg, as the grains was remarkably refined, the YS, UTS and EL increased to 108.3MPa, 152.7MPa and 27.0%, respectively.

The organic light-emitting devices (OLED) A ITO/PEDOT: PSS/PBD: p1-30/AlQ3/ LiF/Al and B ITO/PEDOT: PSS/PBD: p1-30/BCP/AlQ3/LiF/Al were fabricated.
Device A ITO/PEDOT: PSS/PBD: p1-30/AlQ3/LiF/Al and B ITO/PEDOT: PSS/PBD: p1-30/BCP/AlQ3/LiF/Al were fabricated.
EL properties and energy transfer.
EL spectra, CIE coordinates, current density and luminance curves were seen in Fig. 4 (a, b, c, d).
Device A ITO/PEDOT: PSS/PBD: p1-30/AlQ3/ LiF/Al and B ITO/ PEDOT: PSS/PBD: p1-30/BCP/AlQ3/LiF/Al were fabricated.

Figure 6 is the EL spectra of violet LED at different EBL.
EL is a rapid undamaged test.
Further increase the Al composition to x=0.3, the spectrum was like that of x=0.2 and the EL intensity didn’t enhance, but the forward voltage became larger.
Figure 7 is the EL results of AlGaN-based and GaN-based LED under 20mA.
Under the quick EL test, the increase of power in new structure is only 15%.

El-Nahhas, A.
El-Shazly, M.
Ke et al., “Electrospun polystyrene nanofibrous membranes for direct contact membrane distillation,” J.
El-Shazly, M.
El-Shazly, M.

El-Gamal, Y.
Al-Assaf and H.
Al-Assaf and H.
El-Kadi and Y.
El-Gamal, Y.

Claudia et. al.[2] developed a fuzzy controller to regulate the damping properties of the MR damper for building equipped with two 20 tons MR dampers.
Fig. 9. shows the displacement, Force, and earthquake acceleration of El-Centro earthquake.
The displacement, Force, and earthquake acceleration of El-Centro earthquake.
The vibration response with different values of delay due to El-Centro earthquake Fig. 15.
Johnson et al., “Genetic Algorithms in Engineering Electomagnetics,” IEEE Antennas and Propagation Magazine, Vol. 39, No. 4, Aug. 1997, pp. 7-21