Results 101 to 110 of about 127,659 (263)

Photochemistry of HOx in the upper troposphere at northern midlatitudes [PDF]

open access: yes, 2000
The factors controlling the concentrations of HOx radicals (= OH + peroxy) in the upper troposphere (8-12 km) are examined using concurrent aircraft observations of OH, HO2, H2O2, CH3OOH, and CH2O made during the Subsonic Assessment Ozone and Nitrogen ...
Anderson, B   +14 more
core  

An assessment of ozone photochemistry in the extratropical western North Pacific: Impact of continental outflow during the late winter/early spring [PDF]

open access: yes, 1997
This study examines the influence of photochemical processes on tropospheric ozone distributions over the extratropical western North Pacific. The analysis presented ere is based on data collected during the Pacific Exploratory Mission-West Phase B (PEM ...
Anderson, B   +15 more
core  

DARWEN: Data-driven Algorithm for Reduction of Wide Exoplanetary Networks [PDF]

open access: yes
Exoplanet atmospheric modeling is advancing from chemically diverse one-dimensional (1D) models to three-dimensional (3D) global circulation models (GCMs), which are crucial for interpreting observations from facilities like the James Webb Space Telescope (JWST) and Extremely Large Telescope (ELT).
arxiv   +1 more source

Two-Dimensional Intercomparison of Stratospheric Models [PDF]

open access: yes
A detailed record is provided for the examination of fundamental differences in photochemistry and transport among atmospheric models.
Jackman, Charles H.   +2 more
core   +1 more source

Novel laser gain and time-resolved FTIR studies of photochemistry [PDF]

open access: yes, 1990
Several techniques are discussed which can be used to explore laboratory photochemical processes and kinetics relevant to planetary atmospheres; these include time-resolved laser gain-versus-absorption spectroscopy and time-resolved Fourier transform ...
Leone, Stephen R.
core   +1 more source

Disequilibrium Carbon, Oxygen, and Nitrogen Chemistry in the Atmospheres of HD 189733b and HD 209458b

open access: yes, 2011
We have developed 1-D photochemical and thermochemical kinetics and diffusion models for the transiting exoplanets HD 189733b and HD 209458b to study the effects of disequilibrium chemistry on the atmospheric composition of "hot Jupiters." Here we ...
A. J. Friedson   +121 more
core   +1 more source

Enzymatic hydrolysis of starch into sugars is influenced by microgel assembly

open access: yesBiotechnology Reports, 2019
The use of alginate and chitosan polymer in the immobilization of Aspergillus oryzae ATCC 3940 fungal crude enzyme extract (CEE) amylase was presented.
Igor A. de Souza   +3 more
doaj  

Chemical kinetics and modeling of planetary atmospheres [PDF]

open access: yes, 1990
A unified overview is presented for chemical kinetics and chemical modeling in planetary atmospheres. The recent major advances in the understanding of the chemistry of the terrestrial atmosphere make the study of planets more interesting and relevant. A
Yung, Yuk L.
core   +1 more source

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