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Kumar, et al.
Veldhrizen, J. de Vries et al.
El Medawar, J.
Hornez, et al.
Wang, et al.

Padmanathan et al, computational analysis was carried out for shock waves on C-D nozzle.
Mach number decrease across the shock. [2] Ms.B.Krishna Prafulla et al, numerical studies were conducted for C-D nozzle.
Balabel et al, turbulent models were assessed on 2 dimensional C-D rocket nozzles.
Pougatch et al, compressible gas-liquid phase was modelled over C-D nozzle.
El-Behery, “Assessment of turbulence modeling for gas flow in two-dimensional convergent divergent rocket nozzle”Applied Mathematical Modelling, Volume35,Issue7, July2011, Pages3408-3422 [6] K.

Buchser, et al..
Narisawa, et al.
Kavecky, et al.
Zhou, et al.
El-Eskandarany, K.

Kazuo Murase et al. conducted a numericl simulation research on it [3].
Amimul Ahsan et al. conducted internal flow simulation and a comparison study between simulation and experiment [4].
Murase et al. conducted a research on how heat collecting efficiency affects water-yielding [5].
El-Agouz, Review of researches and developments on solar stills[J].
[5] Murase, K., et al., Development of a tube-type solar still equipped with heat accumulation for irrigation[J].

Spin statistics predicts [7] that the maximum internal quantum efficiency for EL cannot exceed 25% of the PL efficiency, since the ratio of triplets to singlets is 3:1.
Generally the cathode will be a low-to-medium work function (φ) metal such as Ca, Al or Mg, Ag layers.
Deng et al [19] used SiO2 film as a hole injecting buffer layer.
Though the EL efficiency showed an increase with such buffer layers, such additional layers resulted in higher turn-on voltages.
The device structure used for this study consists of ITO/PEDOT: PSS/ AlQ3/Al layers.

El- Okene 3,c and B.B.
Fraser et al [4] studied the variation of some physical properties of fababeans at four moisture contents of 10.3, 14.5, 19.5 and 25.0% wet basis.
However, Oyekan et al.[6] observed that if the cowpea got completely dried, the percentage of losses will be high during the threshing operation.
Usually, for any material to flow freely down an individual plane, the angle of inclination of the plane to the horizontal must be at least about 10 o above the angle of repose of the material Oyekan et al. [6].
This agrees with, Oyekan et al. [6] that some varieties have higher seed hardness which affects mechanical properties of cowpea during threshing.

Representation of a Travelling Purchaser Problem Several procedures exist to solve the TPP; we refer to the search algorithm of Ramesh [9], the generalised savings algorithm of Golden et al. [10], the tour-reduction algorithm of Ong [11], the commodity-adding algorithm of Pearn [12], and the branch and bound procedure of Singh and Van Oudheusden [13].
El-Darzi and G.
[15] E.L.

Sayem El-Daher, Finite element analysis of thermal effects in diode end-pumped solid-state lasers, Adv.
El-Agmy, N.
Al-Hosiny, Thermal analysis and experimental study of end-pumped Nd: YLF laser at 1053 nm, Photonic Sensors. 7 (2017) 329–335

Al-Kofahi, and B.
El-Sayed, and S.
El Baf, and B.

Sevilla, Identificación, clasificación y aproximación al análisis de las máquinas-herramienta de las Reales Fábricas de San Juan de Alcaraz (Riópar, Albacete), in “El Patrimonio Geológico y Minero como instrumento de desarrollo territorial” (Ed.
Sevilla, Modelado de una prensa de husillo a fricción ubicada en el Museo de las Reales Fábricas de Riópar (Albacete), in “Geología, Minería y Sociedad” (Ed.