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The removal of these organic pollutants by conventional physico-chemical treatments only accumulates the components of these dyes and cannot transform them into harmless compounds [2,3].
Wang et al. reported the role of Ag as a prominent luminescent activator in semiconductor compounds [15].
Thus, it can be concluded that these composite materials are promising for industrial application aimed at depolluting their non-biodegradable organic effluents.
Hayakawa, Influence of Al doping on the structural, morphological, optical, and gas sensing properties of ZnO nanorods, J Alloys Compd. 698 (2017) 555–564. https://doi.org/10.1016/j.jallcom.2016.12.187
Xiang, Band gap engineering of transition metal (Ni/Co) codoped in zinc oxide (ZnO) nanoparticles, J Alloys Compd. 744 (2018) 90–95. https://doi.org/10.1016/J.JALLCOM.2018.02.072

The aim of this investigation is to provide theoretical justification of the crystallizing nucleus formation in liquid iron.
Gornostyrev, Role of Magnetism in the Formation of a ShortRangeOrderinan Fe-Ga Alloy, JETP Letters. 98(12) (2013) 809-812
Matveev, Influence of impulse magnetic processing on crystallization of flexible polymers, High-molecular weight compound. 45(2) (2003) 217-223
Shamaev, Influence of weak impulse magnetic fields on modified wood, Letters to the journal of applied physics 31(9) (2005) 14-19
Alekseenko, Influence of pulsed magnetic field on the structural conditions in oxide glass, Journal of applied physics. 68(10) (1998) 50-54

Corrosion of metals may be controlled by taking suitable preventive measures such as painting, plating, use of expensive alloys, use of inhibitors, etc.
Although, synthetic compounds have been proven to be good inhibitors in nature, but some may be toxic to the environment and the media.
The phytochemical compounds in Neem include alkaloids, steroids, flavonoids, tannins, glycosides, phenols, thus suggesting that Neem may be a good green corrosion inhibitor.
Tannins and flavonoids are poly phenolic compounds which contain hydroxyl group bonded to aromatic carboxyl group [19].
Abdulwahab, Effect of Aqueous Extract of Bitter Leaf Power on Corrosion Inhibition of Al-Si Alloy in 0.5 Caustic Soda Solution, Journal of Minerals and Materials characterization & Engineering. 11 (2012) 667- 670

Ifante and Vidal [5] developed a theory aimed at the flow of material during the process.
Therefore, for obtaining FSW joints without defects is recommended to obtain a process temperature of 700-950°C, representing about 65-70% of the melting temperature of the compound material achievable by using appropriate technological parameters.
Another main direction of research is also aimed at establishing the optimal technological parameters of the type of structure and steel that is joined.
[17] Zafar, Investigating Friction Stir Welding on Thick Nylon 6 Plates, WELDING JOURNAL, (2016), vol. 95, 210-218
Mishra, Friction Stir Welding, în Friction Stir welding of 2XXX Aluminium Alloys Including Al-Li Alloys, Elsevier, (2017), 1-13

A coating material as powder mixture of the (Al or its alloys), an inert filler material (Al2O3), and a halide activator (NH4Cl) are used in HAPC aluminization [15].
The phases presented in the alloys were recognized by X- ray with General electric diffractomer, of 2o (2Q) per minute scanning speed with CuKa (l = 1.54 À).
Zirconium or zirconium compounds phases, which are likely present in the outer layer in insufficient amounts, are unnoticeable by X-ray diffraction analysis.
According to authors [25, 26], the oxidation process of a commercial Inconel 600 alloy is comparable to that of a Ni-Cr alloy, but following stages reveal a significant difference between the two alloys due to the influence of the small alloying component iron in IN600.
ALI , MODIFICATION OF OXIDATION BEHAVIOR OF Ni Ti SHAPE-MEMORY ALLOY BY YTTRIUM ADDITION, International Journal of Mechanical and Production Engineering Research and Development (IJMPERD) ISSN(P): 2249–6890; ISSN(E): 2249–8001,Vol. 10, Issue 2( Apr 2020) 1187–1204

The former process aims at complex shape parts.
Adaptability to the magnetic conductivity of workpieces: In the magnetic-abrading process, metal workpieces that can not be magnetized like titanium alloys, 1Cr18Ni9Ti or 38CrMoAlA, can not attract magnetic abrasives, and the free magnetic abrasives can only gather on the surfaces of the magnetic poles without pressure to the surfaces of the workpiece; thus, without the abrading action to the surface of the workpiece.
Shi: Journal of Materials Processing Technology Vol. 129 (2002), p. 310 [3] J.D.
Liu: Chinese Journal of Mechanical Engineering Vol. 29 (1993), p. 74 [5] Y.Q.
Chen: Chinese Journal of Mechanical Engineering Vol. 12 (1999), p. 63

Summary This paper aims at preliminary research investigated the possibility of parameters and decreasing material wastes in the MIG welding process of wire additive manufacturing.
Journal of Materials Processing Technology, 227 (2016), p.153-160 [3] J.
Journal of Cleaner Production, 41 (2013), p. 82-88 [4] I.
Journal of Alloys and Compounds, 747 (2018), p. 255-265 [10] J.
Journal of Materials Processing Technology, 135(2-3) (2003), p. 347-357 [13] J.

The present study thus aimed to investigate the effect of potassium doped on molybdenum carbide using ESR spectroscopy.
Journal of Physical Chemistry C, 112(2008) 2607-2612
Journal of Catalysis, 15 (1969) 190-199 [7] A.
Journal of Catalysis, 228 (2004) 362 -373 [14] M.
Mustajab, Preparation of molybdenum carbide via microwave induced alloying.

Within aims to enhance the reliability of the flip chip package device and decrease the residual stress, the underfill has been used [3].
Cheng: Journal of Mechanical Engineering, Vol. 36 (2000), P. 33 [4] Rui Wu Chang, F.
Alloys and Compounds, Vol. 310 (2000), P. 91 [7] R.
Wang, et al: Journal of Functional Materials, Vol. 32 (2001), P. 480 [9] L.
Wang, et al: Journal of Semiconductors, Vol. 22 (2001), P. 107 [10] J.T.

The aim of this work was to achieve by magnetron sputtering thin, dense, and continuous CGO films, which has an electrochemical performance suitable to use as an electrolyte for SOFC.
Dudonis, Microstructure of Gadolinium Doped Ceria Oxide Thin Films Formed by Electron Beam Deposition, Journal of Alloys and Compounds 459 (2008) 320–327
Predtechenskii, Development of Solid–Oxide Fuel Cell for Reduced Operating Temperatures, Russian Journal of Electrochemistry 47(4) (2011) 482–487
Tumashevskaya, Mid-temperature solid oxide fuel cells with thin film ZrO2:Y2O3 electrolyte, Russian Journal of Electrochemistry 47(4) (2011) 494–502
Bergmann, Electrochemical performance of gadolinia-doped ceria (CGO) electrolyte thin films for ITSOFC deposited by spray pyrolysis, Journal of Power Sources 261 (2014) 348-355.