Successive ionic layer deposition (SILD), also known as successive ionic layer adsorption and reaction (SILAR), is an aqueous method which exploits the electric double layer effect to create thin solid films on supports. In SILD, submonolayers of desired cations and anions are alternately and selectively adsorbed on a support material to produce SILD nanoislands or nanolayers with controlled co...

Abstract A reaction pathway for a classical two-species reaction is considered with one reaction that is several orders of magnitudes faster than the other. To sustain the fast reaction, the transport and reaction effects must balance in such a way as to give an internal layer in space. For the steady-state problem, existing singular perturbation analysis rigorously proves the correct scaling o...

The microstructure evolution and interface characteristics of a directionally solidified Ti-43Al-3Si (at.%) alloy in an alumina (Al2O3) crucible with new Y2O3 skull-aided technology were investigated. The Y2O3-skull that is in contact with the TiAl-melt is relatively stable, which results in a more controlled reaction between the skull and the melt than in the case of an Al2O3 crucible is used....

THE PHYSIOLOGIC REQUIREMENT I F OCCASION arose to invent a blood clotting mechanism, it might be arranged for the blood to remain fluid in the vessels, yet promptly congeal when mixed with the juice of freshly cut tissue. This would probably work well for small punctures. However, as this mechanism was tested with larger cuts, an unexpected difficulty might appear. As the blood flowed through t...

Recently, Majda and Souganidis have presented a rigorous asymptotic theory governing the large-scale renormalized ame front dynamics for a convection-reaction-di usion system involving KPP type chemistries and small scale turbulence. This theory is valid in the context of an in nitely thin reaction layer. Embid, Majda, and Souganidis have explored this rigorous theory within the context of a sh...

Leaching of molybdenite concentrate with hydrogen peroxide in sulfuric acid solution was investigated to determine the effects of reaction time, reaction temperature, H2O2 concentration, H2SO4 concentration, pulp density and rotation speed on molybdenum extraction and molybdenite dissolution kinetics, using the Taguchi method. From analysis of var...