Climate change is a key problem of the 21st century. mainly caused by anthropogenic CO2 emissions, and one solution to this capture store in deep coal seams, where it immobilized adsorption surface. Here we propose modify with methyl orange (MO), typical dye that also major pollutant hydrosphere removed thereby. Thus, raw MO-modified coals were characterized investigate their thermal stabilitie...

Figure 1. Preoperative (a and b) photographs demonstrating a drastic improvement in facial appearance.

Bi 2 Ca 2− x Na Co O y materials with = 0 ≤ 0.125, have been prepared either by sintering through the classical ceramic method, or textured using laser floating zone technique. XRD results shown that phase is major one, independently of content, in both kind samples. SEM studies a drastic microstructural modification between sintered and laser-textured materials. Na-doping increases density gra...