Results 101 to 110 of about 3,305,998 (232)

Bohmian pathways into chemistry: A brief overview [PDF]

open access: yesarXiv, 2018
Perhaps because of the popularity that trajectory-based methodologies have always had in Chemistry and the important role they have played, Bohmian mechanics has been increasingly accepted within this community, particularly in those areas of the theoretical chemistry based on quantum mechanics, e.g., quantum chemistry, chemical physics, or physical ...
arxiv  

Sinusoidal coded model [PDF]

open access: yes, 2008
This article discusses a usage of modified periodic harmonic analysis to prove the periodicity of experimental data for seasonal stable isotope variations in precipitation and stream water.
Golobočanin, Dušan D.   +1 more
core  

Editorial: The Marine Iodine Cycle, Past, Present, and Future [PDF]

open access: yes
In this Research Topic, we bring together ten articles from the diverse research communities interested in the marine iodine cycle, including paleoceanographers, atmospheric chemists, and biogeochemists.
Chance, Rosie   +3 more
core   +2 more sources

Multidisciplinary research in space sciences and engineering with emphasis on theoretical chemistry [PDF]

open access: yes
A broad program is reported of research in theoretical chemistry, particularly in molecular quantum and statistical mechanics, directed toward determination of the physical and chemical properties of materials, relation of these macroscopic properties to
Curtiss, C. F., Hirschfelder, J. O.
core   +1 more source

A Quantum-Photonic Base Framework for Describing Attosecond Physicochemical Processes [PDF]

open access: yesarXiv, 2014
Theoretical studies in attosecond physics and chemistry require a full-fledged quantum physical framework including light-field-controlled pulses; this is one hypothesis lying behind the present work. At laboratory level electromagnetic (EM) radiation and matter interaction discloses its quantum nature.
arxiv  

The education of Walter Kohn and the creation of density functional theory [PDF]

open access: yes, 2014
The theoretical solid-state physicist Walter Kohn was awarded one-half of the 1998 Nobel Prize in Chemistry for his mid-1960's creation of an approach to the many-particle problem in quantum mechanics called density functional theory (DFT).
Zangwill, Andrew
core  

On the Influence of Uncertainties in Chemical Reaction Rates on Results of the Astrochemical Modelling

open access: yes, 2003
With the chemical reaction rate database UMIST95 (Millar et al. 1997) we analyze how uncertainties in rate constants of gas-phase chemical reactions influence the modelling of molecular abundances in the interstellar medium.
A. I. Vasyunin   +16 more
core   +1 more source

Laser Processing of Intraocular Lenses

open access: yesApplied Sciences
Polymeric Intraocular lenses (IOLs) are vital for restoring vision following cataract surgery and for correcting refractive errors. Despite technological and medical advancements, challenges persist in achieving optimal vision and preventing ...
Alexandra Sinani   +5 more
doaj   +1 more source

The Chemical Evolution of Protoplanetary Disks [PDF]

open access: yesarXiv, 2006
In this review we re-evaluate our observational and theoretical understanding of the chemical evolution of protoplanetary disks. We discuss how improved observational capabilities have enabled the detection of numerous molecules exposing an active disk chemistry that appears to be in disequilibrium. We outline the primary facets of static and dynamical
arxiv  

Size-Dependent Catalysis in Fenton-like Chemistry: From Nanoparticles to Single Atoms.

open access: yesAdvances in Materials
State-of-the-art Fenton-like reactions are crucial in advanced oxidation processes (AOPs) for water purification. This review explores the latest advancements in heterogeneous metal-based catalysts within AOPs, covering nanoparticles (NPs), single-atom ...
Jirui Guo   +6 more
semanticscholar   +1 more source

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