Results 91 to 100 of about 608,712 (186)

A Novel Centralized Allocation Data Envelopment Analysis Model for Carbon Emission Allocation Under a Heterogeneous Abatement Cost: Application Within the Chinese Industrial Sector

open access: yesMathematics
This paper presents a mathematical approach to analyzing carbon abatement costs and the allocation of carbon emission allowances in China’s industrial sectors.
Xiaohong Liu   +3 more
doaj   +1 more source

The Curious Case of Abell 2256

open access: yes, 2011
Abell 2256 is a rich, nearby (z=0.0594) galaxy cluster that has significant evidence of merger activity. We present new radio and X-ray observations of this system.
Clarke, Tracy E.   +7 more
core  

An Iridium Complex as Bidentate Halogen Bond‐Based Anion Receptor Featuring an IncreasedOptical Response

open access: yesChemistryOpen
We present a luminescent Ir(III) complex featuring a bidentate halogen bond donor site capable of strong anion binding. The tailor‐made Ir(III)(L)2 moiety offers a significantly higher emission quantum yield (8.4 %) compared to previous Ir(III)‐based ...
Robin Kampes   +8 more
doaj   +1 more source

Development of Air Toxic Emission Factor and Inventory of On-road Mobile Sources

open access: yesAir, Soil and Water Research, 2014
Dynamic emission factors of air toxic compounds, emitted from vehicles in Bangkok, Thailand, are developed using the IVE model. The model takes into account the actual fleet and characteristics of vehicles in the study area.
P. Outapa, S. Thepanondh
doaj   +1 more source

Revealing the global emission gaps for fully fluorinated greenhouse gases

open access: yesScientific Reports
AbstractIn response to the global trend of climate change, it is important to accurately quantify emissions of fully fluorinated greenhouse gases (FFGHGs, referring to SF6/NF3/CF4/C2F6/C3F8/c-C4F8 here). Atmospheric observation-based top-down methods and activity-based bottom-up methods are usually used together to estimate FFGHG emissions at the ...
Liya Guo, Xuekun Fang
openaire   +3 more sources

Disentangling the gamma-ray emission of NGC1275 and that of the Perseus cluster

open access: yes, 2010
(Abridged). The gamma-ray emission from galaxy clusters hosting active galaxies is a complex combination of diffuse and point-like emission with different spectral and spatial properties.
Abdo   +69 more
core   +1 more source

The impact of aerosol–radiation interactions on the effectiveness of emission control measures

open access: yesEnvironmental Research Letters, 2019
Temporary emission control measures in Beijing and surrounding regions have become a prevailing practice to ensure good air quality for major events (e.g.
Mi Zhou   +8 more
doaj   +1 more source

G181.1+9.5, a new high-latitude low-surface brightness supernova remnant

open access: yes, 2016
More than 90% of the known Milky Way supernova remnants are within 5 degrees of the Galactic Plane. We present the discovery of the supernova remnant G181.1+9.5, a new high-latitude SNR, serendipitously discovered in an ongoing survey of the Galactic ...
Foster, T. J.   +3 more
core   +1 more source

Regional production shift and increased utilization dampen the growth of China’s coal mine methane emissions

open access: yesCommunications Earth & Environment
Methane emissions contribute to about 30% of global warming, with coal mining in China as a major source. Here we comprehensively assess coal mine methane emissions in China from 2000 to 2023 by combining provincial production data with coal mine ...
Jie Zhang   +3 more
doaj   +1 more source

Persistent Octahedral Coordination in Amorphous GeO_{2} Up to 100 GPa by Kβ^{′′} X-Ray Emission Spectroscopy

open access: yesPhysical Review X, 2019
We measure valence-to-core x-ray emission spectra of compressed crystalline GeO_{2} up to 56 GPa and of amorphous GeO_{2} up to 100 GPa. In a novel approach, we extract the Ge coordination number and mean Ge-O distances from the emission energy and the ...
G. Spiekermann   +14 more
doaj   +1 more source

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