The effect of group IIIA–VIA elements and oxides on graphite oxidation was determined. Additives were moulded with spectroscopically pure graphite powder. The concentration was maintained constant at 0.1 mole per cent based on the element. The rate of reaction with 1 atm of air was measured at...
Second, the CO desorption group gradually transforms into a more stable oxygen-containing functional group. Finally, the total number of oxygen-containing functional groups decreases. Wushuang Chen et al. [41] successfully synthesized the ozonized carbon nanotubes (CNTs) by continuously flowing ozone ...
are heterotrophs found worldwide in marine ecosystems. The so far discoveredRoseobactergroup comprises 327 species and 128 genera21, represented byRuegeria(e.g,Ruegeria pomeroyiDSS-322, a model strain),Phaeobacter(well-known strains for the production of tropodithie...
extension compared to that of RuO2. Although the above strategies improved the RuO2stability somewhat, the doped metal elements are easily subjected to accelerated corrosion in harsh acidic and oxidative environments due to their thermodynamic instability30,31. Furthermore, the etched oxide without the...
Currently, a large number of mutants have been used to study the molecular mechanism of effective components of natural products. For example, ursolic acid affects the stress response of nematodes by disturbing genes expressions of dopamine receptors [28,29], as also applies in the toxicological ...
Hence, in the next section, advanced oxidation processes based on the use of ozone are presented. 3. Ozone-Based AOPs Ozone is a powerful oxidizing agent capable of reacting with a large number of organic and inorganic compounds. Its high oxidation potential (E° = 2.08 V, see Table 2) ...
FIG. 6(a) is a drawing to describe a relation between the depth of the oxide layer from the surface of a particle of the powder and an oxide number density of an oxide layer, when the oxide layer was formed in an atmosphere of inert gas with high humidity, and FIG. 6(b) is a ...
reducing agents are the electron-donating species that readily undergo oxidation in oxidation-reduction reactions. these species tend to lose electrons in redox reactions and their oxidation number increases. examples: zinc and lithium. q4 what is the purpose of titration in chemistry? titrating a ...
(Ti, Mo, Nb, V, Zr, Sc, Hf, W), group 13 or 14 elements (Al, Si, Ga), carbon and/or nitrogen, and surface terminations, respectively. Out of over 100 known MAX phases, almost 30 MXenes have been experimentally synthesized and many more are theoretically predicted to exist [3,4]...
On the other hand, elements such as Sn and Ru have been coupled with Pd to promote electro-activity. Among the mentioned metals, Sn is the least expensive and has previously been combined with Pd to form a binary electro-catalyst, reduce Pd loading and improve electro-catalytic activity [18...