Environ Sci Pollut Res Int
November 2022
Many efforts have focused on the deterioration of historic buildings, and natural hydraulic lime mortar without admixture is less resistant to environmental agencies than a lime mortar with admixtures. A research study has been carried out to study the effect of carboxymethyl cellulose (CMC) and alccofine (AF) with the natural hydraulic lime mortars in improving the hydraulic properties, durability properties, and freeze-thaw resistance. The performance of lime mortars was evaluated with various additives.
View Article and Find Full Text PDFEnviron Sci Pollut Res Int
December 2022
Heritage structures are valuable monuments that describe the culture and tradition of the country. In today's world, natural or artificial tragedies alter these historic structures. As a result, restoration was implemented to restore the ancient buildings using modern binding agents to conserve these cultural structures.
View Article and Find Full Text PDFAim: The aim was to report morphological and functional outcomes following modified early treatment diabetic retinopathy study (ETDRS) laser in diabetic macular edema (DME).
Materials And Methods: Structural and functional changes using spectral domain optical coherence tomography (OCT) and microperimetry (MP) were studied before and 4 months after laser in 37 eyes with clinically significant macular edema (ME) requiring modified ETDRS laser treatment. Paired t-test was used to compare pre and postlaser outcomes P < 0.
A spin polarization of atomized ferromagnetic atoms like cobalt or nickel in nano space results in the modification of the electron configuration in the ferromagnetic atom that changes its oxidative property. We have prepared cobalt and nickel composites with multiwalled carbon nanotubes using atomized cobalt and nickel particles, for investigating their thermal oxidative behavior by thermogravimetric analysis (TGA). The composites showed the absence of a thermal oxidation in the temperature range of ambient to the break down temperature of multiwalled carbon nanotubes at 800 degrees C.
View Article and Find Full Text PDFAb initio studies of ferromagnetic atom interacting with carbon nanotubes have been reported in the literature that predict when the interaction is strong, a higher hybridization with confinement effect will result in spin polarization in the ferromagnetic atom. The spin polarization effect on the thermal oxidation to form its oxide is modeled here for the ferromagnetic atom and its alloy, as the above studies predict the 4s electrons are polarized in the atom. The four models developed here provide a pathway for distinguishing the type of interaction that exists in the real system.
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