Results 121 to 130 of about 14,102 (277)

Animal factors that affect enteric methane production measured using the GreenFeed monitoring system in grazing dairy cows

open access: yesJournal of Dairy Science
: Similar to all dairy systems internationally, pasture-based dairy systems are under increasing pressure to reduce their greenhouse gas (GHG) emissions.
K. Starsmore   +5 more
doaj   +1 more source

Study on the Law of Multi‐Fracture Propagation in Different Fracturing Fluid Viscosity

open access: yesEnergy Science &Engineering, EarlyView.
Samples and equipment Sample preparation Test equipment Analysis of test results Fracture propagation morphology Influence of fracturing fluid viscosity on crack initiation time/(fracture initiation pressure) Evolution law of injection pressure Cumulative relation curve of pressure–time–acoustic ABSTRACT Using the TCHFSM‐I large‐scale accurate triaxial
Zhixing Zhang   +4 more
wiley   +1 more source

Controlling Greenhouse Gas Emissions by means of Tradable Emissions Permits and the Implications for Irish Farmers [PDF]

open access: yes
The increasing concern over climate change has led to a number of international agreements to control greenhouse gas emissions. Agriculture currently accounts for 28 percent of Ireland’s total greenhouse gas emission and therefore has a major role to ...
Breen, James P.
core   +1 more source

Emissions of organic carbon and methane from petroleum and dairy operations in California's San Joaquin Valley [PDF]

open access: yes, 2013
Petroleum and dairy operations are prominent sources of gas-phase organic compounds in California's San Joaquin Valley. It is essential to understand the emissions and air quality impacts of these relatively understudied sources, especially for oil/gas ...
Angevine, WM   +23 more
core   +1 more source

Combined Effect of Cetane Improver, Aluminum Oxide Nanoparticles, and Waste Cooking Oil Biodiesel Blend on a Dual Fuel Combustion Engine Run With Biogas Originated From Food Waste

open access: yesEnergy Science &Engineering, EarlyView.
Sugarcane juice is clarified and fermented with yeast to produce ethanol and CO₂. The broth is refined through distillation and molecular sieves, yielding fuel‐grade ethanol stored for transport. Bagasse, vinasse, and residues are recycled as valuable by‐products, enabling a sustainable bioethanol production pathway ABSTRACT This study investigates the
Kapura Tudu   +5 more
wiley   +1 more source

Does biodiverse moutain grasslands reduce enteric methane emissions?

open access: yes
Plant secondary metabolites are known to mitigate enteric methane emissions. They can be found in biodiverse pasture, rich in fobs, which have been shown to reduce enteric methane (CH4) production in vitro. We set up an in vivo experiment to measure methane (CH4) emission, dairy performances and digestive parameters of 28 grazing dairy cows, allocated ...
Bouchon, Matthieu   +5 more
openaire   +2 more sources

Current Advancements of Probiotic Foods and Their Role in Sustainable Food Security

open access: yesFood Bioengineering, EarlyView.
ABSTRACT Probiotic foods have evolved from traditional fermented products to scientifically validated functional foods, defined by the FAO and WHO as live microorganism that confer a health benefit on the host when administered in adequate amounts, with effects being strain, does and end point specific.
Ashenafi Teklay Yaekob   +3 more
wiley   +1 more source

Carbon footprint assessment (TIER 3) of milk production in Colombia: Mitigation strategies and cost-efficiency analysis

open access: yesSustainable Chemistry for Climate Action
Having signed the Paris Agreement, Colombia’s commitment to reducing GHG emissions by 51 % by 2030 necessitates sustainable agricultural practices. Livestock production, contributing significantly to the national GDP, is responsible for 55 % of total GHG
Sebastian Camilo Pachon Garcia   +4 more
doaj   +1 more source

Modeling Greenhouse Gas Emissions on Diversified Farms: The Case of Dairy Sheep Farming in Greece [PDF]

open access: yes
Agricultural activity has been identified as a considerable source of Greenhouse Gas (GHG) emissions. Emissions from ruminant livestock farms are produced particularly due to CH4 emissions from enteric fermentation.
Sintori, Alexandra, Tsiboukas, Kostas
core   +1 more source

Downdraft Devices for Negative Emissions—Quantification Study and Environmental Implication

open access: yesGreenhouse Gases: Science and Technology, EarlyView.
ABSTRACT Methane (CH4) is a potent greenhouse gas with a global warming potential far exceeding that of CO2 over short time horizons. Its removal from the atmosphere remains challenging due to its low ambient concentration and chemical stability. This study explores downdraft energy towers (DETs) as an innovative CH4 mitigation technology that enhances
Xiaokun Yao   +4 more
wiley   +1 more source

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