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(Chemistry) chem a hydrocarbon that contains two carbon-to-carbon double bonds in its molecules
[from di-1 + -ene]


(daɪˈoʊ lə fɪn)

an aliphatic compound, as 1,3-butadiene, CH2=CH−CH=CH2, that contains two double bonds.
References in periodicals archive ?
Dienes has released the Vario-Cut two piece paper-cutting knife.
AbstractThe aims of the present study were to evaluate oxidative status, by investigating the serum Paraoxonase/ Arylesterase (PON/ARE) activities along with conjugated dienes in patients with IBS and controls and to confirm the link between oxidative stress and IBS.
They are viewed as building blocks with the proviso that they could be synthesized from thiophenes directly and would prove suitable cyclic dienes for cycloaddition reactions that would lead to multi-functionalized arenas (Thiemann et al.
1983, 1984), Dienes (1986, 1992a, 1992b, 1994a, 1994b, 2010), Erdesz (1983), Gantz et al.
According to the organisers, it spans Monroe's life in front of the camera lens, starting with her teenage years, when she was photographed on the beach by Andre De Dienes,
The test diet decreased both oxidized LDL measured as conjugated dienes in the LDL fraction (56+/-3 v 63+/-3 micromol/L, P < .
The amount of conjugated dienes is directly proportional to the amount of hydroperoxides formed as the major initial product of a lipid peroxidation reaction.
Katherine Dienes (left) will leave her post at the Collegiate Church of St Mary to take up a job as head of music at Guildford Cathedral.
Key statement: The random, hydrogenated copolymers according to the present invention of unsubstituted conjugated dienes and substituted conjugated dienes, having a glass transition temperature of [?
They discuss such topics as why such multiplicity occurs; experimental results confirming heterogeneities; why there are different types of active sites in the ionic-coordinate polymerization of olefins and dienes; the structure of active sites in the ionic-coordinate polymerization of dienes on lanthanide, titanium, and vanadiam catalytic systems; and the possibility of polymerization free-radical and complex-bound sites of the chain propagation.
It is a 16-inches-by-12-inches, 235-page volume housed in an enormous Kodak box, filled with stunning photographs of Marilyn Monroe taken by Hungarian photographer Andre de Dienes.