The anionic and cationic species of elements from deeply buried deposits migrate to the near surface driven by various geological forces. applied electric field is used collect these active ions designed electrode, with a negative charge go anode positive cathode, which called electrogeochemical exploration method, also CHIM. Prospecting effect has been investigated researchers since coming up ...

The present study applies a geophysical approach to the Federal district of Brazil, challenging hydrogeologic setting that requires improved investigation enhance groundwater prospecting meet rising water demand. characterization complex hard-rock aquifer sub-system was conducted using direct current (DC) electrical resistivity tomography (ERT) integrated with surface geological information. Wi...

Surface-enhanced Raman scattering (SERS) spectra of a metal-complexing ligand, immobilized to a silver electrode surface, exhibits significant structural changes upon application of modest potentials. A detailed spectroscopic investigation shows that the potential applied to the electrode surface governs the tautomerization equilibrium of the immobilized ligand, p-((8-hydroxyquinoline)azo)benze...

in this paper, the interaction between an oscillating dipole moment and a silver nanoparticle has been studied. our calculations are based on mie scattering theory and discrete dipole approximation(dda) method.at first, the resonance frequency due to excitingthe localized surface plasmons has been obtained using mie scattering theory and then by exciting a dipole moment in theclose proximity of...

Volatile impurities contained in polyethyleneimine (PEI), and identified as ethyleneimine dimers and trimers, are reported. These N-based molecules show a strong reducing character, as demonstrated by the change in electrical conductivity of organic (semi)conductors exposed to the PEI vapor. The results prove that electron transfer rather than a dipole effect at the electrode interface is the o...

Electrostatic forces cause spontaneous movement of charged particles; subsequently, electrostatic technology is attracting attention because its application in powder handling processes, such as separation, classification, dispersion, and collection. Dielectric conductive particles are by induction a strong electric field moved Coulomb forces. The magnitude polarity the transferred charges cont...