Results 21 to 30 of about 75,087 (307)
Correlation Between the Octane Number of Motor Gasoline and Its Boiling Range
A significant correlation was found between the research octane number of unleaded motor gasoline and its 90% boiling point using a computer-run regression analysis of data from European and Syrian Sources.
Hassan Al-haj Ibrahim, Mourhaf Al-Kassmi
doaj +1 more source
Ecolabels can improve public perception and farm profits for shellfish aquaculture
Ecolabels are increasingly being used to notify consumers that the labeled product imposes minimal harm to the environment or other natural resources.
M Gray +6 more
doaj +1 more source
Introducing w-Horn and z-Horn: A generalization of Horn and q-Horn formulae
Summary: In this paper we generalize the well-known notions of Horn and \(q\)-Horn formulae. A Horn clause, by definition, contains at most one positive literal. A Horn formula contains only Horn clauses. We generalize these notions as follows. A clause is a \(w\)-Horn clause if and only if it contains at least one negative literal or it is a unit or ...
Kusper, Gábor +3 more
openaire +3 more sources
Car horns were originally installed in vehicles for safety. However, many urban areas in several countries face noise problems related to the use of car and motorbike horns. To propose measures to suppress the use of horns, relationships between horn use
Masayuki Takada +7 more
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BACKGROUND: The anatomical localisation of the odour glands, which increase activity during the reproduction period and help goat species to find each other, varies.
S. Dalga +3 more
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Bivalve aquaculture relies on naturally occurring phytoplankton, zooplankton, and detritus as food sources, thereby avoiding external nutrient inputs that are commonly associated with finfish aquaculture.
JM Testa +7 more
doaj +1 more source
Thermal Treatment of Syrian Sponge Coke
Samples of Syrian sponge coke were thermally treated at high temperatures and increased residence time. A coke of higher quality was thereby obtained, with reduced sulphur content and higher real density.
Hassan Al-Haj Ibrahim
doaj +1 more source
Hunting and mountain sheep: Do current harvest practices affect horn growth?
The influence of human harvest on evolution of secondary sexual characteristics has implications for sustainable management of wildlife populations.
Tayler N. LaSharr +15 more
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Revisiting Horn’s problem [PDF]
We review recent progress on Horn's problem, which asks for a description of the possible eigenspectra of the sum of two matrices with known eigenvalues. After revisiting the classical case, we consider several generalizations in which the space of matrices under study carries an action of a compact Lie group, and the goal is to describe an associated ...
Coquereaux, Robert +2 more
openaire +4 more sources
Frequencies of genes for coat colour and horns in Nordic cattle breeds
Gene frequencies of coat colour and horn types were assessed in 22 Nordic cattle breeds in a project aimed at establishing genetic profiles of the breeds under study. The coat colour loci yielding information on genetic variation were: extension, agouti,
Lien Sigbjørn +7 more
doaj +1 more source

