Results 91 to 100 of about 76,513 (230)

Assessment of Hydrogen's Climate Impact Is Affected by Model OH Biases

open access: yesGeophysical Research Letters
Hydrogen fuel can help decarbonize the economy, but hydrogen leakage has indirect climate consequences. Atmospheric oxidation of hydrogen by hydroxyl radicals (OH) increases methane, ozone, and stratospheric water vapor concentrations. Current global 3‐D
L. H. Yang   +8 more
doaj   +1 more source

European mtDNA Variants Are Associated With Differential Responses to Cisplatin, an Anticancer Drug: Implications for Drug Resistance and Side Effects. [PDF]

open access: yes, 2019
Background: Cisplatin, a powerful antitumor agent, causes formation of DNA adducts, and activation of apoptotic pathways. Presently, cisplatin resistance develops in up to 70% of patients but the underlying molecular mechanism(s) are unclear and there ...
Abedi, Sina   +13 more
core   +1 more source

The Synergy of Wearable Optical Heart Rate Sensor Technology and Box Breathing in Real-Time Decision Making in Precision, Explosive, and Intermittent Sports

open access: yesPhysical Education Theory and Methodology
Background. Real-time decision-making is a critical determinant of performance in precision, explosive, and intermittent sports, where athletes must operate under high physiological and cognitive stress.
Angga Indra Kusuma   +3 more
doaj   +1 more source

Risk Aversion, Prudence, and the Three-Moment Decision Model for Hedging [PDF]

open access: yes
The linear two-moment mean-variance (MV) model has been widely used in finance and economic decision analysis as an approximation of Von Neumann-Morgenstern expected utility (EU) model. The introduction of third or higher moments not only can improve the
Chen, Xiaomei   +2 more
core   +1 more source

"Crude Oil Hedging Strategies Using Dynamic Multivariate GARCH" [PDF]

open access: yes
The paper examines the performance of four multivariate volatility models, namely CCC, VARMA-GARCH, DCC and BEKK, for the crude oil spot and futures returns of two major benchmark international crude oil markets, Brent and WTI, to calculate optimal ...
Chia-Lin Chang   +2 more
core   +3 more sources

Hedging Effectiveness under Conditions of Asymmetry [PDF]

open access: yes
We examine whether hedging effectiveness is affected by asymmetry in the return distribution by applying tail specific metrics to compare the hedging effectiveness of short and long hedgers using crude oil futures contracts.
Jim Hanly, John Cotter
core   +3 more sources

Case Studies on Pre-eruptive X-class Flares using R-value in the Lower Solar Atmosphere

open access: yesThe Astrophysical Journal
The R -value is a measure of the strength of photospheric magnetic polarity inversion lines in active regions (ARs). This work investigates the possibility of a relation between R -value variations and the occurrence of X-class flares in ARs, not in the ...
Shreeyesh Biswal   +5 more
doaj   +1 more source

Ohr plays a central role in bacterial responses against fatty acid hydroperoxides and peroxynitrite

open access: yesProceedings of the National Academy of Sciences of the United States of America, 2016
T. Alegria   +13 more
semanticscholar   +1 more source

Hedging: Scaling and the Investor Horizon [PDF]

open access: yes
This paper examines the volatility and covariance dynamics of cash and futures contracts that underlie the Optimal Hedge Ratio (OHR) across different hedging time horizons.
Jim Hanly, John Cotter
core  

Cooperation after War: International Development in Bosnia, 1995 to 1999 [PDF]

open access: yes
This paper discusses how predispositions, incentives, the number and heterogeneity of participants, and leadership (Faerman et al. 2001) jointly influenced the international effort to develop Bosnia and Herzegovina. International coalitions, task forces,
David P. McCaffrey   +2 more
core  

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