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The single phase of MgAl2O4 was obtained by adding 20 mass% of water to the starting mixtures of Mg(OH)2 - Al(OH)3, Mg(OH)2 - g-Al2O3 and MgO - Al(OH)3.
Mg(OH)2+Al(OH)3※ 0.21 ※Calcined under 1 atm at 1350 ºC.
For the mixtures of Mg(OH)2 - Al(OH)3, Mg(OH)2 - g-Al2O3 and MgO - Al(OH)3, the formation of MgAl2O4 was completed at 500 ºC by the additional water.
(HIP : 500 ⁰C, 200 MPa, 1 h) (a) Mg(OH)2 and Al(OH)3 Mg(OH)2 + Al(OH)3 Al(OH)3 decomposes at 300 ºC to form g-AlOOH, which decomposes about 400 ºC to form g -Al2O3 in the atmosphere.
El-Shall, A Novel Approach for Synthesis of Nanocrystalline MgAl2O4 Powders by Co-precipitation Method, J.

Magdi Al-Beheiri, Mr.
Abd El-Hady, Durability of decorative stones and other construction materials of Al-Tanbogha Al-Mardany mosque (1340 A.D) 14TH century in Cairo, Egyptian Journal of Archaeological and Restoration Studies. 5 (2015) 21-29
Al-Muheisen, S.
Al-Howadi, Cleaning strategies of pottery objects excavated from Khirbet Edh-Dharih and Hayyan Al-Mushref, Jordan: four case studies, Mediterr.
From El-Bahnasa site, Minia, Egypt.

As seen in Fig. 1, the dye removal efficiency of Zn-Al CLDH was higher than that of Zn-Al LDH in the studied Zn-Al molar ratio range.
The Zn-Al CLDH sample with Zn-Al molar ratio of 3 showed the highest dye removal.
Zn-Al CLDH showed high capacity of dye removal compared with Zn-Al LDH.
Zn-Al CLDH with Zn-Al molar ratio of 3 had a remarkable ability to adsorb dye anions. 2.
El-Shazly: Chemical Engineering Journal Vol, 160(2010) , p. 63

Ruzaidi et al. had done a study on the compressive strength of fly ash based geopolymer / glass fiber composite via filament winding.
Meanwhile, Tarakcioglu et al. had done a research on fatigue failure behavior of glass/epoxy + 55 filament wound pipes under internal pressure.
[4] Abd-El-Messieh, Basta S.L. : Journal or Polymer Materials (2001) 279
[22] El-Saied H., El-Diwany A., Basta A.H. : Bioresources (2008) 1196
Ruzaidi Ghazali, Alida Abdullah, Mohd Mustafa Al Bakri Abdullah, Kamarudin Husin,Anis Nadhirah Ismail : Key Engineering Materials Vols. 594-595 (2014) pp 78

Olívio1,b and A.L.
El-monaem, K.F.
El-Nasser and H.
Abd El-Salam, M.A.
El-Maghrabi and D.

El Alem1,2,a, A.
El Hami2,b and R.
This MO problem is exactly equivalent to the problem solved by Stadler and al. in [12] and used later by Ait brik [1]. 4.2 Results Results found by the NBI-ASA approach were compared with Monte Carlo simulation and NSGA algorithm [1].
El Alem, A.
El Hami and R.

Ahmed El-Shazly, Alexandria University, Egypt Assoc.
Committee Amnart Suksri, Khon Kaen University, Thailand Andrzej Katunin,Silesian University of Technology, Poland Angel Zumbilev, Technical University of Sofia - Branch Plovdiv, Bulgaria Armando Ramalho, Instituto Politécnico de Castelo Branco, Portugal Asma Perveen, Nazarbayev University, Kazakhstan Avwerosuoghene Okoro, University of Johannesburg, South Africa Babatunde Abiodun OBADELE, Botswana International University of Science and Technology, Botswana Bala Srinivasan P,SASTRA Deemed University,India Chai Lian Oh,Universiti Teknologi MARA,Malaysia Chaiyong Soemphol,Mahasarakham University,Thailand Chang-Seon Shon, Nazarbayev University, Kazakhstan Charnnarong Saikaew, Khon Kaen University, Thailand Chih-Hsuan Chen, National Taiwan University, Taiwan Djoko Sihono Gabriel,Universitas Indonesia,Indonesia Emil Yankov, University of Ruse "Angel Kanchev", Bulgaria Gheorghe PALTANEA,University POLITEHNICA of Bucharest, Romania Hadi Erfani, Islamic Azad University, Iran Hassan El-Hofy
Engineering, India Pavlo Maruschak,Scientific Research of Ternopil Ivan Puluj National Technical University, Ternopil, Ruska 56, str., 46001, UKRAINE Pranut Potiyaraj,Chulalongkorn University, Thailand Ramil Kesvarakul,King Mongkut’s University of Technology North Bangkok,Thailand Ratchanok Somphonsane, King Mongkut's Institute of Technology Ladkrabang, Thailand Rizwana Sarwar, COMSATS University Islamabad, Pakistan Rosa Bustamante,Universidad Politécnica de Madrid, Spain Shadi Yasin, American University of the Middle East, Kuwait Sharil Fadli Mohamad Zamri, Universiti Teknologi MARA, Malaysia Shumao Zhao, Northestern Univercity, China Sin Jin Chung, Universiti Tunku Abdul Rahman, Malaysia Siong Wee Lee,Universiti Teknologi MARA,Malaysia Siti Kudnie Sahari, Universiti Malaysia Sarawak, MALAYSIA Soner Ozgen,Firat University, Elazig, Turkey Stanislav Evlashin, Skolkovo Institute of Science and Technology, Russia Tanakorn Wongwuttanasatian, Khon Kaen University, Thailand Tariq Al

This book deals with the synthesis, characterization, and analysis of properties of various types of composite materials and also a wide variety of materials such as Al, glass, steel, and polymeric materials.
El-Sayed El-Agouz, Tanta University, Egypt · Prof.

Babu et al. [8] have tried to prepare IrO2 thin films by oxidating laser ablated Ir thin films, whereas the effort was resulted in unsuccess due to the formation of volatile species of the IrO3 at high temperatures.
El Khakani, M.
[11] M.A.El Khakani and M.

Because the Three Gorges reservoir level reached to EL. 135m for the first time on June 11, 2003, and the Qianjiangping landslide occurred about a month latter after the reservoir impounding, the formation mechanism and failure characteristics of the landslide is of great significance to the forecast and prevention of similar landslide.
Before impounding, river level of Qinggan river in front of the landslide is approximately 90 m, while the shear open of cutting-bed slip band and weak weathered rock is about EL 100 m, so the groundwater below the slip band overflows freely along the cutting-bed slip band and weak weathered rock, and the recharge and discharge of groundwater below slip band keep a dynamic balance, therefore the excess pore water pressure below slip band is negligible.
Without groundwater recharge, the safety factor of the landslide is 1.11 before impounding and is 1.04 at EL 135 m reservoir level.
(In Chinese) [2] Dai F C, Deng J H, Tham L G, et al.