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Al-Aamri, O.
Al-Fuwaires.
Nasr-El-Din, H.
Al-Ruwaily.
Nasr-El-Din, H.A.

The dotted line in Fig.2 (a) is an evaporation line (EL) fitted by isotopic values of seepage observation well water samples.
It can be observed that reservoir water and well water both scatter close to EL, implying that well water is mainly recharged by reservoir water which has suffered evaporation.
Stable isotopes of 1# is the most enriched and deviate from EL, which indicates that it has a longer residence time and it may be recharged by reservoir water long time ago.
[3] Peng T R, Huang C C, Wang C H, et al.

El Idrissi and B.
El-Rabiee and Gh.M.
Abd El-Hafez, et al.: Compd. 456(2008)372 [7] V.

REFERENCE [1] M.Sherif, EL-Eskandarany, Mechanical Alloying for Fabrication of Advance Engineering Materials, 144
[2] M.Sherif, EL-Eskandarany, K.Sumiyama, Acta Mater.
Hong , et al., Mater.
El-Eskandarany, K.

Other researchers (Chegenizadeh and Nikraz,2011, Nataraj and McManis, 1997; Al Wahab and El-Kedrah, 1995; Puppala et al., 2006; Miller and Rifai, 2004; Ozkul et al., 2007; Kumar Tabor, 2003) also reported similar results.
In contrast, other researcher such as Ozkul et al, 2007 reported not significant changes on compaction parameter by fiber inclusion.
Reference [1] AlWahab, R.M. and Al Quirma, H.H. (1995) Fiber Reinforced Cohesive Soils for Application in Compacted Earth Structures, Proceedings of Geosynthetics ’95, IFAI, Vol. 2, Nashville, Tennessee, USA, March 1995, pp. 433-476
[2] Al Wahab, R.
M., and El-Kedrah, M.

Work by El-Hofy et al. [2] showed that low cutting speed, high feed rate and PCD tools are optimal machining condition in slotting of CFRP.
Sreenivasulu Ret al. [3] concluded that cutting speed and depth of cut are the most significant factors which influence surface roughness and delamination.
Ramulu et al [4] carried out a study on machining of polymer composites and concluded that increment in cutting speed gives good surface finish.
[2] El-Hofy M H, Soo S L, Aspinwall D K, et al, Factors affecting workpiece surface integrity in slotting of CFRP, J.
[5] Nor Khairusshima M K, Che Hassan C H, Jaharah A G, et al.

Microstructural Evolution of A206 Al Alloy by In-Ladle DTC Rheocasting Jin-Kyu Lee1,2,a and Shae K.
The A206 Al alloy has mechanical properties approaching some grades of ductile iron.
In comparison, A206 Al alloy was manufactured by using conventional casting method in ambient atmosphere.
The ladle temperature was 500� and molten A206 Al alloy temperature was 690�.
References [1] E.L.

El-Sayyad, A.H.
El-Batal, M.A.
El-Okr, Microb.
El Maalam, L.
El Kenz, O.

Lu and Wu et al studied the synthesis of Mg-Al hydrotalcite and used it as the catalyst of transesterification.
Serio et al used PURAL® MG76 hydrotalcite as catalyst to produce biodiesel.
Compared with the life of single Mg-Al hydrotalcite catalyst (the activity decreased of 38% in 50 h [27]), Mg-Al hydrotalcite /g-Al2O3 can be more useful in industry.
Vol. 172(2011), p.34 [16] AS Khder, EA El-Sharkawy, SA El-Hakam, AI Ahmed: Cataly Commun.
Vol. 1(2001, 1), p.9 [30] YX Wu, YD Li, QZ Zhang, et al: Petrochem Technol.

According to Zhang et al and Yaqoob Mohsin Baqer et al, a welded joint between two components made of different materials (titanium and steel or aluminum and titanium) can be produced by adjusting the process parameters [8,23].
According to Baqer et al, for Al/Mg and Mg/Ti compounds, coatings or interlayers, thus increasing the bond strength, can reduce the formation of intermetallic phases.
In test T2.2, the influence of PL, vs and EL on the flexural strength was investigated.
Manladan: Challenges and advances in laser welding of dissimilar light alloys: Al/Mg, Al/Ti, and Mg/Ti alloys, (2018)
[13] MatWeb: Material Property Data of Aluminum, Al, 2022, http://www.matweb.com/search/ datasheet.aspx?