Results 1 to 10 of about 5,812,051 (309)

Dispersion modelling of particulate matter concentrations of sand product plants in a mineral complex [PDF]

open access: yesGlobal Journal of Environmental Science and Management, 2022
BACKGROUND AND OBJECTIVES: Sand and gravel product plants are among the significant sources of dust pollutants. This study was conducted to estimate dust concentrations released from these plants in a mineral complex in the southwest of Tehran.METHODS ...
Y. Zehtab Yazdi   +3 more
doaj   +1 more source

Loss and Recovery of Carbon in Repeatedly Burned Degraded Peatlands of Kalimantan, Indonesia

open access: yesFire, 2021
Although accurate estimates of biomass loss during peat fires, and recovery over time, are critical in understanding net peat ecosystem carbon balance, empirical data to inform carbon models are scarce.
Liubov Volkova   +4 more
doaj   +1 more source

Investigation on the Effect of Technological Parameters on Emission Factor in 316L Stainless Steel Using Gas Metal Arc Welding [PDF]

open access: yesArchives of Metallurgy and Materials, 2021
Growing awareness for occupational safety in the welding environment needs a sustainable welding system. Welding gases releases toxic tiny particles and gases that inflict severe health consequences in the weld zone are unsolicited.
K.V. Satheesh Kumar   +5 more
doaj   +1 more source

Life Cycle Assessment of LPG Engines for Small Fishing Vessels and the Applications of Bio LPG Fuel in Korea

open access: yesJournal of Marine Science and Engineering, 2023
This study aimed to evaluate the environmental impact of using liquefied petroleum gas (LPG) in small fishing vessels by conducting a life cycle assessment (LCA) in Korea.
Jeong Kuk Kim   +3 more
doaj   +1 more source

Supervised Machine Learning to Assess Methane Emissions of a Dairy Building with Natural Ventilation

open access: yesApplied Sciences, 2020
A reliable quantification of greenhouse gas emissions is a basis for the development of adequate mitigation measures. Protocols for emission measurements and data analysis approaches to extrapolate to accurate annual emission values are a substantial ...
Sabrina Hempel   +5 more
doaj   +1 more source

Assessment of Odour and Ammonia Impacts for a Novel Fattening Piggery Tailored for Animal Welfare and Low Emission Rates

open access: yesAtmosphere, 2022
According to the European Commission, Austria is obliged to reduce ammonia emissions by 12% between 2005 and 2030. Agriculture, in particular livestock buildings and the spreading of manure, is the predominant source of ammonia in most countries, calling
Dietmar Oettl   +5 more
doaj   +1 more source

Analysis of Exhaust Pollutants from Four-Stroke Marine Diesel Engines Based on Bench Tests

open access: yesJournal of Marine Science and Engineering, 2023
Implementation of new emissions regulations calls for a reassessment of the emissions levels of newly built ships sailing in Chinese regions. In this paper, marine diesel engines are subjected to emissions bench tests using high-precision testing ...
Zhongmin Ma   +7 more
doaj   +1 more source

Evaluation of Methane Emissions in Daily Operations and Accidents: A Case Study of a Local Distribution Company in China

open access: yesEnergies, 2023
As the second-largest contributor to historical global warming, methane emissions must be controlled to slow down temperature increase and achieve climate benefits.
Yitong Xie   +4 more
doaj   +1 more source

Object-Based Mapping of Aboveground Biomass in Tropical Forests Using LiDAR and Very-High-Spatial-Resolution Satellite Data

open access: yesRemote Sensing, 2018
Developing countries that intend to implement the United Nations REDD-plus (Reducing Emissions from Deforestation and forest Degradation, and the role of forest conservation, sustainable management of forests, and enhancement of forest carbon stocks ...
Yasumasa Hirata   +9 more
doaj   +1 more source

Development of methane emission factors for enteric fermentation in cattle from Benin using IPCC Tier 2 methodology

open access: yesAnimal, 2015
The objective of this study was to develop emission factors (EF) for methane (CH4) emissions from enteric fermentation in cattle native to Benin. Information on livestock characteristics and diet practices specific to the Benin cattle population were ...
J.B. Kouazounde   +7 more
doaj   +1 more source

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