Results 321 to 330 of about 2,339,660 (382)
Uncertainty and Crude Oil Returns [PDF]
SSRN Electronic Journal, 2015 We use a copula approach to investigate the effect of uncertainty on crude-oil returns. Using copulas to construct multivariate distributions of time-series data permit the calculation of the dependence structure between the series independently of the marginal distributions.
Stephen M. Miller +3 more
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Advanced Functional Materials, 2020
Fast and efficient cleanup of crude oil spills is still a global challenge because most of the crude oils are highly viscous and lowly fluid. Herein, a kind of polydimethylsiloxane‐decorated wood carbon sponges (PDMS@WCS) with desirable compressibility ...
Ming-Bang Wu +6 more
semanticscholar +1 more source
Fast and efficient cleanup of crude oil spills is still a global challenge because most of the crude oils are highly viscous and lowly fluid. Herein, a kind of polydimethylsiloxane‐decorated wood carbon sponges (PDMS@WCS) with desirable compressibility ...
Ming-Bang Wu +6 more
semanticscholar +1 more source
Not All Oil Price Shocks are Alike: Disentangling Demand and Supply Shocks in the Crude Oil Market
, 2006Using a newly developed measure of global real economic activity, a structural decomposition of the real price of crude oil in four components is proposed: oil supply shocks driven by political events in OPEC countries; other oil supply shocks; aggregate
L. Kilian
semanticscholar +1 more source
THE COLLOIDAL STABILITY OF CRUDE OILS AND CRUDE OIL RESIDUES
Petroleum Science and Technology, 1999A crude oil and three residues of the crude oil processing were investigated by determination of flocculation points of both the product solutions and the original products. Diverse analytical methods were used for characterizing products and their fractions.
Peter Schorling +2 more
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Uncertainty and crude oil market volatility: new evidence
, 2020The main goal of this paper is to investigate the predictability of five economic uncertainty indices for oil price volatility in a changing world. We employ the standard predictive regression framework, several model combination approaches, as well as ...
Chao Liang +4 more
semanticscholar +1 more source
Journal of futures markets, 2020
We examine return and volatility transmission between the newly established crude oil futures in China and international major crude oil futures markets using intraday data.
Jian Yang, Yinggang Zhou
semanticscholar +1 more source
We examine return and volatility transmission between the newly established crude oil futures in China and international major crude oil futures markets using intraday data.
Jian Yang, Yinggang Zhou
semanticscholar +1 more source
Advanced Materials Interfaces, 2020
For dealing with crude oil spills, the high viscosity of crude oil greatly limits the absorption capacity of the absorbent materials, making crude oil a major obstacle in the cleaning process.
Miao Yu +4 more
semanticscholar +1 more source
For dealing with crude oil spills, the high viscosity of crude oil greatly limits the absorption capacity of the absorbent materials, making crude oil a major obstacle in the cleaning process.
Miao Yu +4 more
semanticscholar +1 more source
1991
Petroleum from well sites in the Gifhorn Trough (Lower Saxony, NW-Germany) and the Maracaibo Basin (Venezuela) contained various types of microorganisms capable of degrading crude oils. Genetically related oils were inoculated with the isolated microorganisms and the degradation of the oils was followed by chromatographic techniques.
Klaus Bosecker +2 more
openaire +3 more sources
Petroleum from well sites in the Gifhorn Trough (Lower Saxony, NW-Germany) and the Maracaibo Basin (Venezuela) contained various types of microorganisms capable of degrading crude oils. Genetically related oils were inoculated with the isolated microorganisms and the degradation of the oils was followed by chromatographic techniques.
Klaus Bosecker +2 more
openaire +3 more sources
, 2020
Crude oil spill accidents that have been occurring frequently not only have been seriously destroying the marine ecological environment and threatening human health for a long time, but also generating a great loss of precious resources.
Guogui Shi +6 more
semanticscholar +1 more source
Crude oil spill accidents that have been occurring frequently not only have been seriously destroying the marine ecological environment and threatening human health for a long time, but also generating a great loss of precious resources.
Guogui Shi +6 more
semanticscholar +1 more source
Determination of Hydrocarbons in Seawater Extracts of Crude Oil and Crude Oil Fractions
Nature, 1971IN spite of very convincing evidence to the contrary, crude oil and oil products are still occasionally considered to be “insoluble” in aqueous systems. In view of recent reports of major ecological disruptions caused by oil pollution1,2, it seemed imperative to collect more data on the solubility of oil and oil products in water systems3,4.
Bruce W. Tripp, D. B. Boylan
openaire +3 more sources