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AL-Khalqi1,a, Muhammad Azmi Abdul Hamid1,b*, Roslinda Shamsudin1c Naif H.
Al-Hardan2,d and Lim Kar Keng1,e 1School of Applied Physics, Faculty of Science and Technology, UKM, 43600 Bangi Selangor 2School of Physics, USM, 11800 Gelugor, Penang ap92953@siswa.ukm.edu.my, bazmi@ukm.edu.my, clinda@ukm.edu.my, dnaifhm@usm.my, ekarkeng.iamkklim@gmail.com *Corresponding author Keywords: ZnO thin film, Multilayers, Sol gel, Electrolyte-Insulator-Semiconductor, pH sensor.
El-Nahass, Structural, optical constants and photoluminescence of ZnO thin films grown by sol-gel spin coating, Adv.

The chemical composition of the heats of ligatures No. 2, No. 6, No. 9 Experiment number Alloy formation temperature, [°C] Alloy base The amount of B in the ligature, [%] 2 1000 Al 1.08 6 1000 Al 4.50 9 850 Al 2.77 Fig. 1.
Microstructure of samples of the Al-B system: a - Al alloy 1.08B; b - ligature Al 4.5B; c - ligature Al 2.77B Figure 4b shows that the crystallization range of alloys of the Al-B system is in the range 15.2 - 19.2 K with a boron content in the master alloy of 1-5%, and the highest is the Al-2.77B master alloy.
Results of measurements of thermophysical characteristics of alloys of the Al - B system System Crystallization interval, [°C] Enthalpy, [J / g] Start Peak Interval When heated When cooled Al-1,08B 647.5 632.3 15.2 264.7 -221.6 Al-2,77B 655.1 635.9 19.2 221.8 -204.5 Al-4,5B 654.5 636.9 17.6 235.4 -207.4 Conclusion In the course of this research, the following results were obtained: 1.
The endothermic effect of the Al-1.08B ligature is higher than that of the Al-4.5B and Al-2.77B ligatures.
Bleiwas, E.L.

Previous work on Ni/Al– and Co/Al–LDHs synthesized by co-precipitation technique showed higher stability for the Ni/Al-LDH compared to that of Co/Al-LDH [8].
Table 1: Preset molar ratio and pH of products LDH system Group of M2+ Ratio of M2+/Al3+ pH Co/Al/NO3 9 3 9 Ni/Al/NO3 10 2 6 Cu/Al/NO3 11 2 8 The synthesized LDHs were analyzed by PXRD using a Rigaku, Miniflex II, desktop X-ray diffractometer under the following conditions: 30 kV, 15 mA, Cu Kα radiation (λ = 0.1541841 nm) and scan rate of 2°/ min in the range from 3°-60°.
The basal spacing, d of (003) peak for Co/Al/NO3 (CoAN), Ni/Al/NO3 (NiAN) and Cu/Al/NO3 (CuAN) are shown in Table 2.
Moulijn, In situ Fourier transform infrared and laser Raman spectroscopic study of the thermal decomposition of Co–Al and Ni–Al hydrotalcites, Vib.
El Shafei, The polarizing power of metal cations in (hydr)oxides, J. 

In 2003, on the basis of the studies of Hu et al.[12], Xu et al.[20] adopted an stepwise nonlinear programming method to solve the optimization problem of water-using networks with multiple impurities.
In 2007, Zheng et al.[21] improved the stepwise linear programming method that proposed by Hu et al.[12], so the efficiency for solving solution was improved.
[2] El-Halwagi M M, Gabriel F, Harell D.
Forum Vol.43 (2004), P. 203-217 [19] Takama N, Kuriyama T, Shiroko K, et al.
[26] Liu Z Y, Li Y M, Liu Z H, et al.

Tsuru, et al., Fabrication of bone cement that fully transforms to carbonate apatite.
El-ghannam, Compressive strength evaluation and phase analysis of pulp capping materials based on carbonate apatite-SCPC using different concentration of SCPC and calcium hydroxide, Key Eng.
Swain, et al., Mechanical properties of in-ceram alumina and in-ceram zirconia.
Richter G, et al., Y-TZP ceramics for artificial joint replacements.
Jevnikar, et al., Strength and reliability of surface treated Y-TZP dental ceramics.

[16] Mohammed, R., Green, A., El-Shikh, S. et al.
，Zhao, Y. et al.
，Li L. et al.
，Zhao Y. et al.
[24] Lang, X., Zhong, J., Li L. et al.

Irregular shaped particles indicated as 2 and 5 were high in Al, Mn, Fe and Al, Mg, Mn Fe, Cr, and the rod like particles indicated as 3 and 4 were high in Al, Mg, Si and Al, Mg.
These processes are similar to those in literature for Al-Mg alloys.
Masuda, et al. [23] and Darras, et al. [24] observed parabolic shaped dimpled fracture surface in aluminium alloy 5083.
[22] E.L.
Ramesh, Strengthening mechanisms in an Al–Mg alloy, in: Mater.

Myrtveit, et al., SiC power devices for high voltage applications, Mater. 
Dhar, et al., Performance, Reliability, and Robustness of 4H-SiC Power DMOSFETs, Mater.
Gowda, et al., Performance and Reliability of SiC MOSFETs for High-Current Power Modules, Mater.
Lopez, et al., Bias Stress-Induced Threshold-Voltage Instability of SiC MOSFETs, Mater.
El, et al., Effect of Stress and Measurement Conditions in Determining the Reliability of SiC Power MOSFETs, Ecs Transactions 50 (2013) 251-256.

Parker, E.L.
El-Sherbiny, E.
El-Baghdady, D.
El-Gaaly, A.
El-Nekeety, M.A.

Aouici et al. [11] analyzed the machined surface of the workpiece and cutting force in dry hard turning with CBN tools.
Bouacha and Chinchanikar et al. [12,13] have examined the hard turning of hardness steel (40-65 HRC) using coated cutting tools.
Belmonte et al. [21] (CVD) diamond brazed tools can be used to alternate both PCD and CBN tool for hard turning process.
El Moussami, Modeling of Cutting Performances in Turning Process Using Multiple Regression Method.
El Hakim, M.A.