Results 21 to 30 of about 96,682 (290)

A theoretical quantum study of the electronic properties of mentoxy dichloro phosphorous (C10H19OPCl2) [PDF]

open access: yes, 2018
Indexación: Scopus.A theoretical quantum study of the organophosphorus compound with formula C10H19OPCl2 (MEPCL2) was carried out. The results of the calculations show excellent agreement between experimental and computed frequencies evaluated at the ...
Candia, L.G.   +5 more
core   +2 more sources

Investigating the Shallow-Water Bathymetric Capability of Zhuhai-1 Spaceborne Hyperspectral Images Based on ICESat-2 Data and Empirical Approaches: A Case Study in the South China Sea

open access: yesRemote Sensing, 2022
Accurate bathymetric and topographical information is crucial for coastal and marine applications. In the past decades, owing to its low cost and high efficiency, satellite-derived bathymetry has been widely used to estimate the depth of shallow water in
Yuan Le   +7 more
doaj   +1 more source

Identifying (BN)2-pyrene as a new class of singlet fission chromophores: significance of azaborine substitution [PDF]

open access: yes, 2018
Singlet fission converts one photoexcited singlet state to two triplet excited states and raises photoelectric conversion efficiency in photovoltaic devices.
Mellerup, Soren   +5 more
core   +1 more source

MAC-GAN: A Community Road Generation Model Combining Building Footprints and Pedestrian Trajectories

open access: yesISPRS International Journal of Geo-Information, 2023
Community roads are crucial to community navigation. There are automatic methods to obtain community roads using trajectories, but the sparsity and uneven density distribution of community trajectories present significant challenges in identifying ...
Lin Yang   +3 more
doaj   +1 more source

Electron Emission from Diamondoids: A Diffusion Quantum Monte Carlo Study [PDF]

open access: yes, 2005
We present density-functional theory (DFT) and quantum Monte Carlo (QMC) calculations designed to resolve experimental and theoretical controversies over the optical properties of H-terminated C nanoparticles (diamondoids).
A. J. Williamson   +5 more
core   +2 more sources

Research on the Coupling Coordination Relationship between Urbanization and the Air Environment: A Case Study of the Area of Wuhan

open access: yesAtmosphere, 2015
China’s high-speed socioeconomic development has been characterized by rapid urbanization and a series of ecological environment issues, especially air pollution. This paper proposed a comprehensive indicator system for the evaluation of urbanization and
Lei Ding   +4 more
doaj   +1 more source

SPATIAL-TEMPORAL ANALYSIS OF OPENSTREETMAP DATA AFTER NATURAL DISASTERS: A CASE STUDY OF HAITI UNDER HURRICANE MATTHEW [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2017
Volunteered geographic information (VGI) has been widely adopted as an alternative for authoritative geographic information in disaster management considering its up-to-date data.
J. Xu, L. Li, Q. Zhou
doaj   +1 more source

VISUALIZATION OF SPATIO-TEMPORAL RELATIONS IN MOVEMENT EVENT USING MULTI-VIEW [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2017
Spatio-temporal relations among movement events extracted from temporally varying trajectory data can provide useful information about the evolution of individual or collective movers, as well as their interactions with their spatial and temporal ...
K. Zheng   +7 more
doaj   +1 more source

Ab initio study of a mechanically gated molecule: From weak to strong correlation [PDF]

open access: yes, 2010
The electronic spectrum of a chemically contacted molecule in the junction of a scanning tunneling microscope can be modified by tip retraction.
A. Greuling   +6 more
core   +2 more sources

A Parallel-Computing Approach for Vector Road-Network Matching Using GPU Architecture

open access: yesISPRS International Journal of Geo-Information, 2018
The road-network matching method is an effective tool for map integration, fusion, and update. Due to the complexity of road networks in the real world, matching methods often contain a series of complicated processes to identify homonymous roads and ...
Bo Wan   +5 more
doaj   +1 more source

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