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Qiu et al. treated ST using the absorbent of Clinoptilolite (11.2) [8,9].
The effect of initial pH value of aqueous solution on ST degradation Fig.6 The residual concentration of the ST Fig.7 The Y of the ST with time with time ( gas gap=5mm, needle naked) ( gas gap=5 mm, needle naked) Figure 6 suggests that the degradation rate of ST is faster in alkalinity and acid media than in the neutral condition, which is the same with the report by Gai el al. [11] report.
Xue el al.[12] and Huang el al.[13] have the same results in their experiments.

The El Centro earthquake accleration with the scaled magnitude of 400 gal is assumed to apply on the simulated structure.
When the structure is subjected to El Centro earthquakes, the effect of the displacement contol outweighs the acceleration control.
Dyke, et al., Modeling and control of magnetorheological dampers for seismic response reduction, Smart Mater.
Bitaraf, et al.
Housner, et al.

Given that properties such as sY, El and K1c are only poorly predicted by this model, one would wonder whether properties of Group 1 can be used as input to predict them.
In this sense, Zr and Al play a central role in grain size reduction from 1000 μm in pure Mg to 50-100 μm, when Zr (up to 1 at%) or Al (up to 12 at%) are added.
a) b) Figure 3. a) Experimental vs. model plot in Mg, Mg-Zn, Mg-Al, Mg-Al-Zn, Mg-Y, Mg-Gd and Mg-Gd-Y alloys, b) Flow stress evolution in MgZn alloy at room temperature and strain rate 10-3 s-1compression Similar to ferrous alloys, the Kocks-Mecking formulation can be employed to describe the flow stress and elongation response in Mg alloys.
The authors are grateful to Prof A.L.
EIGN is grateful to the National Council of Science and Technology of Mexico (CONACYT) for financial support via the programme ‘‘Becas para estudios de posgrado en el extranjero’’ and the Roberto Rocca Education Programme.

For instance, the oxidation resistance of Ti3SiC2 was reported by Zhou et al.[6] and Tong et al.[7] to be excellent at temperatures below 1100°C due to the formation of a protective SiO2 surface layer.
However, oxidation of Ti3SiC2 was detected by Racault et al.[8] to commence as low as 400°C through the formation of an anatase-like TiO2 film that eventually transformed to rutile at 1050°C.
El-Raghy: Metall.
El-Raghy, A.
El-Raghy and L.

Al-Khanbashi, W.
Al-Ghamdi, L.M.
Al-Ghamdi, M.S.
El-Nahass, M.
Al-Agel, Synthesis, characterization and optical properties of NiO: Cs thin film, Mater.

The marble industry produces, only in Shaq El Thoaban, several million tons of waste per year [5].
Ibrahim, et al., Health Risk Assessment of Marble Dust at Marble Workshops, Nature and Science, 9 (2011) 144–154
El-Hefnawi, Characterization of The Marble Sludge of The Shaq El Thoaban Industrial Zone, Egypt and Its Compatibility for Various Recycling Applications 6 (2012) 153–161
Prošek, et al., Influence of recycled concrete composition on its elastic stiffness, Key Engineering Materials 677 (2016) 288–291
Topič et al., Effect of PVA modification on the properties of cement composites, Acta Polytechnica 55 (2015) 64–75.

El-Daly and Hammad [14] developed by adding Ag and In into eutectic Sn-0.7Cu solder alloys the ultimate tensile strength and increased the yield stress to 215% and 255%, respectively, compared with commercial alloys.
On the other hand, Kim et al. [16] and Zhang et al. [17] reported that the melting temperature increased by adding antimony into lead free solder.
El-Tather: Mater.
El-Daly, A.E.
El-Daly and A.E.

Noranizah et al (2014) in their research work[9,10].
El-Egili, H.
El-Falaky, Osiris W.
Mardhiah et al, Advanced Materials Research 622-623(2013) 191-194 [9] A.
El-Egili, H.

Investigation of the wear mechanism of PCD milling tool for machining Al-Si alloy at cutting speed of 5000m/min (n=12732r/min) has been performed.
PCD is the perfect material than carbide for machining Al-Si alloy [4, 5].
Machined surface of cylinder head is shown in Fig.2, and the composition of Al-Si alloy material is shown in Table 2.It is notable from table 2 that the work piece is fabricated by Al-Si alloy with squeeze casting process and the weight fraction of Si is 11.39%.
From Fig.7, we can find that some other elements such as Fe, Al, Si which are available with high ratios in the structure of the work-piece exist in the material of place B.
[4] M.El-Gallab,M.Sklad: Machining of Al/SiC Particulate Metalmatrix Composites.

Church of El Carmen, 6.
Tolles et al
[8] Javier, L et al. (2008)."
El Terremoto del 15 de Agosto de 2007 (MW+7.9), Pisco, Peru.
[9] Jörgen, J et al. (2007).