Results 11 to 20 of about 5,519,686 (289)

Molecular Gas Phase Conformational Ensembles [PDF]

open access: yesJournal of Chemical Information and Modeling, 2023
Abstract. Accurately determining the global minima of a molecular structure is important in diverse scientific fields, including drug design, materials science, and chemical synthesis. Conformational search engines serve as valuable tools for exploring the extensive conformational space of molecules and identifying energetically favorable conformations.
Susanta Das, Kenneth M. Merz Jr.
openaire   +5 more sources

Modeling of Knudsen layer effects in micro/nanoscale gas flows [PDF]

open access: yes, 2011
We propose a power-law based effective mean free path (MFP) model so that the Navier-Stokes-Fourier equations can be employed for the transition-regime flows typical of gas micro/nanodevices.
Dongari, Nishanth   +2 more
core   +4 more sources

Molecular dynamics studies of anomalous transport in rarefied gas flows [PDF]

open access: yes, 2010
We investigate the thermodynamically non-equilibrium gas dynamics by measuring molecular free path distribution functions, inter-molecular collision rates and wall dependent mean free path (MFP) profiles using the molecular dynamics (MD) method.
Dongari, Nishanth   +2 more
core   +3 more sources

An extension to the Navier-Stokes equations to incorporate gas molecular collisions with boundaries [PDF]

open access: yes, 2010
We investigate a model for micro-gas-flows consisting of the Navier-Stokes equations extended to include a description of molecular collisions with solid boundaries, together with first and second order velocity slip boundary conditions.
Reese, Jason M.   +2 more
core   +4 more sources

Broadband Time-Resolved Absorption and Dispersion Spectroscopy of Methane and Ethane in a Plasma Using a Mid-Infrared Dual-Comb Spectrometer

open access: yesSensors, 2020
Conventional mechanical Fourier Transform Spectrometers (FTS) can simultaneously measure absorption and dispersion spectra of gas-phase samples. However, they usually need very long measurement times to achieve time-resolved spectra with a good spectral ...
Muhammad Ali Abbas   +5 more
doaj   +1 more source

Molecular recognition in the gas phase [PDF]

open access: yesPure and Applied Chemistry, 1993
Abstract
VINCENTI, Marco   +3 more
openaire   +2 more sources

3D Modeling of the Molecular Gas Kinematics in Optically Selected Jellyfish Galaxies

open access: yesThe Astrophysical Journal, 2023
Cluster galaxies are subject to the ram pressure exerted by the intracluster medium, which can perturb or even strip away their gas while leaving the stars undisturbed.
Cecilia Bacchini   +11 more
doaj   +1 more source

Investigating the effect of solid boundaries on the gas molecular mean-free-path [PDF]

open access: yes, 2009
A key parameter for micro-gas-flows, the mean free path, is investigated in this paper. The mean free path is used in various models for predicting micro gas flows, both in the governing equations and their boundary conditions.
Arlemark, E.J., Reese, J.M.
core   +3 more sources

Molecular bridge-mediated ultralow-power gas sensing

open access: yesMicrosystems & Nanoengineering, 2021
We report the electrical detection of captured gases through measurement of the quantum tunneling characteristics of gas-mediated molecular junctions formed across nanogaps.
Aishwaryadev Banerjee   +8 more
doaj   +1 more source

VERTICO II: How H i-identified Environmental Mechanisms Affect the Molecular Gas in Cluster Galaxies

open access: yesThe Astrophysical Journal, 2022
In this VERTICO early science paper we explore in detail how environmental mechanisms, identified in H i , affect the resolved properties of molecular gas reservoirs in cluster galaxies.
Nikki Zabel   +19 more
doaj   +1 more source

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