Results 251 to 260 of about 1,245,402 (307)

Industry Signals and the Dynamics of Stock Market Predictability

open access: yesInternational Journal of Finance &Economics, EarlyView.
ABSTRACT We investigate whether industry portfolios contain information that forecasts aggregate stock market returns. Earlier research reports evidence of their usefulness as predictors, yet later studies find weaker and unstable effects. Using updated U.S.
Michael Ellington   +2 more
wiley   +1 more source

The Evaluation of Sandwich Composite Materials with Vegetable Fibers in a Castor Oil Polyurethane Matrix with Their Faces and Honeycomb Core Made in a 3D Printer. [PDF]

open access: yesPolymers (Basel)
Pino GGD   +8 more
europepmc   +1 more source

Performance of castor oil polyurethane resin in composite with the piassava fibers residue from the Amazon. [PDF]

open access: yesSci Rep
Rabelo Aparício R   +4 more
europepmc   +1 more source
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Studies on castor oil. II. Hydrogenation of castor oil

Journal of the American Oil Chemists' Society, 1957
Summary Products of low iodine value (<10.0) and hydroxyl value (35–40) can be readily obtained by hydrogenating castor oil at atmospheric pressure and at temperatures of the order of 220°, using 1.0% Raney nickel. Dehydration of ricinoleic acid and subsequent hydrogenation of the resulting double bond as also simple saturation of ricinoleic acid ...
B. Sreenivasan, N. R. Kamath, J. G. Kane
openaire   +1 more source

Ceramer coatings from castor oil or epoxidized castor oil and tetraethoxysilane

Journal of the American Oil Chemists' Society, 2006
AbstractNew inorganic‐organic hybrids were synthesized through the reaction of castor oil (CO) or epoxidized castor oil (ECO) with tetraethoxysilane (TEOS). The mass proportions of ECO/TEOS varied from 90∶10 to 60∶40, and films of the material were thermally cured. An IR spectroscopy analysis was performed, and macro‐ and microscopic properties such as
Maria Augusta de Luca   +4 more
openaire   +1 more source

Studies on castor oil. I. Fatty acid composition of castor oil

Journal of the American Oil Chemists' Society, 1956
SummaryMethyl esters of castor oil were prepared by saponifying the oil with potassium hydroxide in methanol, splitting the potassium soapsin situ with an excess of hydrochloric acid, and esterifying at room temperature. The esters had hydroxyl values comparable with those of the parent oils.
B. Sreenivasan, N. R. Kamath, J. G. Kane
openaire   +1 more source

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