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UV process could weakly transform the structure of the aromatic matter.
Schultz, “ Fluorescence as a possible tool for studying the nature and water column distribution of DOC components”, Marine Chemistry, Vol.41(1993) ,p.229-238

Balaji* Department of Chemistry, Faculty of Science, Sri Chandrasekharendra Saraswathi Viswa Mahavidyalaya (SCSVMV University), Enathur, Kanchipuram - 631 561, India.
Nafion is having unique chemical structure of both hydrophilic (sulphonic acid group) and hydrophobic (polytetrafluoroethylene) domains and selectively allows protons across the membrane through hydrophilic water channels [3, 4].

This material was selected because it is widely used for high temperature structures such those in the automotive field.
Chen, “Tensile properties of nanometric Al2O3 particulate-reinforced aluminum matrix composites”, Materials Chemistry and Physics, Volume 85, Issues 2–3, (2004), Pages 438–443

But in nitrogen alloying experimental steels No.2 heat and No.3 heat, intergranular crack is a widespread micro structure.
Vol.24 (2003), p.21-23 [2] Chen XiJie: High Manganese Steel (Machinery Industry Press, Beijing 1989) [3] Jin ShiXun: Physical Chemistry (Higher Education Press, Beijing 1989) [4] Zhai QiJie: The Effect of Nitrogen on Cast Iron, Ph.D. 

There was a large amount of micropores structure on the carbon surface and the specific surface area was relatively large before reaction and those micropores had strong adsorption ability to Cr(Ⅵ); micropores on the carbon surface decreased and leveled off, it indicates that the micropores on the carbon surface were occupied by Cr(Ⅵ) and other ions.
Naidu, Permeable reactive barrier for groundwater remediation, Journal of Industrial and Engineering Chemistry. 14(2008) 145-156

The extent of the austenite grain growth is dependent upon the weld thermal cycle, the steel composition and the precipitate chemistry.
Rodrguez, “Effect of carbide precipitation on the structure and hardness in the heat-affected zone of hadfield steel after post-cooling treatments,” Mater.

Coatings produced by FS are also known to be free of pores and solidification cracks and present a fine grained structure caused by dynamic recrystallization during the process [2, 8].
Darowicki: Journal of Electroanalytical Chemistry Vol. 778 (2016), p. 126. doi: 10.1016/j.jelechem.2016.08.028

Chemistry of materials, 17(8), 2136-2141
Composite Structures, 133, 85-97

The X-ray photoelectron spectroscopy (XPS) analysis has provided the information about the chemistry of the layers and interfaces in presence.
Lu: ‘Atomic layer deposition of high capacitance density Ta2O5–ZrO2 based dielectrics for metal–insulator–metal structures’, Microelectron.

Vinitha3, Joseph Daniel4 1,3Division of Physics, SAS, VIT-Chennai, 2 Division of Chemistry, SAS, VIT-Chennai 4School of Mechanical and Building Sciences, VIT-Chennai *Corresponding Author: caroline.ponraj@vit.ac.in Keywords: BiFeO3, nanoparticles, direct blue dye, photocatalyst, visible light irradiation Abstract.
In addition it is observed that for azo dyes with sulphonic group in their structure shows a strong adsorption of the dye anion on the metal oxide photocatalyst at lower pH.