Results 111 to 120 of about 7,210,807 (301)

Emissions by aerial routes from protected crop systems (greenhouses and crops grown under cover) : a position paper

, 2009
This report describes the processes that may lead to emission of Plant Protection Products (PPP) from protected cultivation, through aerial routes. The introduction gives the background for this work and the limitations, outlining in particular why ...
Stanghellini, C.
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Health Care Use Among Patients Presenting to Emergency Department for Gout Flares in Ontario, Canada: A Population‐Based Health Systems Analysis

Arthritis Care &Research, EarlyView.
Objective We characterized emergency department (ED) gout visits and identified patient characteristics and health services patterns contributing to ED presentations. Methods We conducted a population‐based study of ED gout visits in Ontario, Canada, between 2014 and 2023.
Timothy S. H. Kwok, Samantha Morais, William K. Silverstein, Clare L. Atzema, Gregory Choy, Priyanka Chandratre, Ping Li, Jessica Widdifield   +7 more
wiley   +1 more source

The Economics of the Mega-Greenhouse Effect: A Conceptual Framework [PDF]

This paper examine the economics of the mega-greenhouse effect under two scenarios. One caps total CO2 levels and the other limits annual emission rates.
John M. Gowdy, Roxana Julia
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Innovative Processing of Compacted Waste Aluminum Alloy Powders via Controlled Remelting and Solidification

Advanced Engineering Materials, EarlyView.
This study demonstrates an efficient recycling route for out‐of‐spec AlSi10Mg atomized powders through compaction and arc remelting followed by suction casting. By correlating compaction load, cooling rate, and resulting microstructure, we show that intermediate pressures (50–80 kN) and rapid cooling refine dendrites, reduce porosity, and enhance ...
Mila Christy de Oliveira, Marcella Gaute Cavalcante Xavier, Abdoul‐Aziz Bogno, Piter Gargarella, José Eduardo Spinelli   +4 more
wiley   +1 more source

PROGRESS IN ESTIMATING THE MARGINAL COSTS OF GREENHOUSE GAS EMISSIONS [PDF]

The unjust distributional consequences of climate change, and its potentially negative aggregate effect on economic growth and welfare are two reasons to be concerned about climate change.
Samuel Fankhauser, Richard S.J. Tol, Joel B. Smith, Thomas E. Downing, Richard G. Richels   +4 more
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Evaluation of diets based on Brachiaria grass with different levels of byproducts from the biodiesel industry using in vitro gas production degradability

Medicina Veterinária, 2020
This study was performed to evaluate the production of gas and volatile fatty acids in diets containing byproducts from the national biodiesel industry (castor bean, canola, forage turnip, and black sunflower) in four levels (0, 30, 50 and 70%), through ...
Juliana Marques Freire, Aderbal Marcos de Azevedo Silva, Heloisa Carneiro, José Morais Pereira Filho, Daiane Caroline de Moura, Jovanna Karine Pinheiro   +5 more
doaj  

Silicified Wood‐Inspired, High‐Strength Fire‐Resistant Chitin‐Based Aerogels for Sustainable High‐Temperature Thermal Insulation

Advanced Functional Materials, EarlyView.
Inspired by natural silicified wood, a biomimetic mineralized chitin‐derived aerogel is constructed. It can withstand 81 000 times its own weight, and its backside temperature is 130.4°C after exposure to ∼1300°C butane flame for 600 s, exhibiting high‐strength, fire‐resistance, and super thermal‐insulation properties.
Kai Xu, Qihang Lv, Lubin Liu, Zhezhe Zhou, Chentao Yan, Ao Qin, Jianting Ma, Shuhui Liang, Yue Xu, Min Hong, Bin Li, Pingan Song   +11 more
wiley   +1 more source

Net Isotopic Signature of Atmospheric CO₂ Sources and Sinks: No Change since the Little Ice Age

Sci
Recent studies have provided evidence, based on analyses of instrumental measurements of the last seven decades, for a unidirectional, potentially causal link between temperature as the cause and carbon dioxide concentration ([CO2]) as the effect. In the
Demetris Koutsoyiannis
doaj   +1 more source

Facile Preparation of Carbon Membranes Derived from a Fluorenyl‐Containing Polyimine for Selective Hydrogen Separation

Advanced Functional Materials, EarlyView.
A fluorenyl‐containing polyimine is introduced as a simple, scalable precursor for high‐performance carbon membranes. The precursor's intrinsic kinked structure enables defect‐free membrane formation with enhanced hydrogen permeance and excellent ideal selectivities for key industrial gas pairs (H2/N2, H2/CH4, and H2/CO2), offering a practical route ...
Clara Coiana, Christos Pantazidis, Ankita Mandal, Maarten Bransen, Fausto Gallucci, Željko Tomović   +5 more
wiley   +1 more source

Agriculture's role in greenhouse gas emissions and capture

, 2010
This working paper addresses changes in climate and how the rising global temperature can be partially attributed to an increasing concentration of greenhouse gases (GHGs) in the atmosphere.
Greenhouse Gas Working Group
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