Results 171 to 180 of about 379,828 (307)

Quality Control of Sewage Water in Wastewater Treatment Plants using Raman Technologies

open access: yesChemie Ingenieur Technik, EarlyView.
Innovative Raman spectroscopy methods for enhancing wastewater treatment monitoring are introduced. Improved sensitivity in detecting low concentrations of analytes is demonstrated, addressing challenges like cross‐sensitivity and turbidity. The findings highlight the potential for more accurate and robust inline monitoring in wastewater treatment ...
Stefan Schorz   +7 more
wiley   +1 more source

On the quantization of spin systems and Fermi systems [PDF]

open access: bronze, 1979
Ph. Combe   +3 more
openalex   +1 more source

Analysis of density matrix embedding theory around the non‐interacting limit

open access: yesCommunications on Pure and Applied Mathematics, EarlyView.
Abstract This article provides the first mathematical analysis of the Density Matrix Embedding Theory (DMET) method. We prove that, under certain assumptions, (i) the exact ground‐state density matrix is a fixed‐point of the DMET map for non‐interacting systems, (ii) there exists a unique physical solution in the weakly‐interacting regime, and (iii ...
Eric Cancès   +4 more
wiley   +1 more source

THEORY OF THE KNIGHT SHIFT AND FLUX QUANTIZATION IN SUPERCONDUCTORS

open access: green, 1962
Leon N. Cooper   +3 more
openalex   +2 more sources

Energy Landscapes in Chemical Reactions and Transport

open access: yesChemPhysChem, Volume 26, Issue 6, March 15, 2025.
Kinetics/dynamics of chemical reactivity and transport of chemical species in a solid are both determined by the energy landscape in which they take place. Discussing common grounds but also distinct differences may help in advancing the understanding in both fields.
Karl‐Michael Weitzel
wiley   +1 more source

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