Results 161 to 170 of about 1,047,575 (214)
Oil Yield and Geological Era (II)
Journal of the Japanese Association for Petroleum Technology, 1942 openaire +2 more sources
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Jumps in the Convenience Yield of Crude Oil
SSRN Electronic Journal, 2020Abstract The potential presence of jumps and time-varying volatility in convenience yields can lead to abnormally fat tails, which has implications for investment in storage capacity, leasing and drilling for crude oil. In this paper we evaluate the potential for these features in convenience yields.
Charles F. Mason, Neil A. Wilmot
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Nitrogen rate and timing effects on meadowfoam oil yield and oil-yield components
Field Crops Research, 1993Abstract Unlike earlier meadowfoam ( Limnanthes alba Hartw. ex Benth.) accessions and genetic lines, seed yield of the more recently released cultivar ‘Mermaid’ is increased with low to moderate rates of N-fertilizer. Understanding N-fertilizer effects on oil yield and yield components is useful for improving fertilizer management which is important
Gary D. Jolliff +2 more
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Simulation of oil palm growth and yield
Agricultural and Forest Meteorology, 1989A dynamic model is presented to simulate growth and yield formation of oil palm (Elaeis quineensis Jacq.) in dependence of weather data and plant characteristics. From incoming amounts of light, light interception of the foliage and photosynthetic characteristics of individual leaflets, daily rates of crop photosynthesis are calculated.
van Kraalingen, D.W.G. +2 more
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Prediction of Oil Yield from Groundnuts using the Concept of Quasi-equilibrium Oil Yield
Journal of Agricultural Engineering Research, 1993Abstract Oil expression tests were performed in order to study the response of groundnut in terms of oil yield to process variables such as moisture content, pressing time, pressure, particle size and bed depth. Based on experimental and theoretical investigations, an equation was developed to relate oil yield to the parameters studied. In developing
K.O. Hamzat, B. Clarke
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Applied Spectroscopy, 1996
Fluorescence quantum yield measurements are reported for visible and UV excitation for neat and dilute crude oil solutions, extending earlier work with excitation in the long wavelength visible and the NIR. Large and monotonically increasing quantum yields are found with shorter wavelength excitation (to 325 nm), and all crude oils are shown to have ...
Corie Y. Ralston +2 more
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Fluorescence quantum yield measurements are reported for visible and UV excitation for neat and dilute crude oil solutions, extending earlier work with excitation in the long wavelength visible and the NIR. Large and monotonically increasing quantum yields are found with shorter wavelength excitation (to 325 nm), and all crude oils are shown to have ...
Corie Y. Ralston +2 more
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The Yielding of Waxy Crude Oils
Industrial & Engineering Chemistry Research, 1998The yielding process of statically cooled waxy crude oil was examined in detail. Three direct measurementsa controlled stress test, a creep−recovery test, and an oscillatory testwere employed using a controlled stress rheometer to investigate the yielding of two distinctly different statically cooled waxy crude oils. The results showed that yielding of
Chang, Cheng +2 more
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Evaluation of oil yield from Jordanian oil shales
Energy, 1999In this paper, the influences of particle size, grade and pyrolysis temperature on the oil yield have been evaluated in a laboratory scale reactor. Five categories of particle sizes from two different oil shale samples were pyrolyzed by employing a fixed bed retorting system.
J.O. Jaber, S.D. Probert, P.T. Williams
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Determinants of Oil Futures Prices and Convenience Yields
Quantitative Finance, 2012Commodity futures prices are usually modelled using affine term structure spot price models with latent factors extracted from the data. However, very little research to date has considered the question – What are the economic drivers behind the calibrated latent factors?
M. A. H. Dempster, Elena Medova, Ke Tang
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