Dehydroquadricyclane heat of hydrogenation pyramidalized strain alkene stabilityBorden, W T
In subject area: Engineering This is the chemical heat pipe, with the heat absorbing reaction at the energy source, and the reverse heat emitting reaction at the point of consumption, combined with a pipe system. From: Energy Storage, 1980 About this pageSet alert Discover other topics ...
least either a polyolefin or a product of hydrogenation thereof having a number-average molecular weight of 1,200-4,000 or an asphalt having a penetration (at 25°C) of 0-300, a softening point of 30-150°C and a density (at 15°C) of 1.0g/cm<Sup>3</Sup> or above....
especially pronounced in the case of Ni-doped materials, are the result of sintering of the material particles in the dehydrogenated (metallic) form upon prolonged cycling at higher temperatures.Ni-doped Mg–MgH2 materials have excellent cyclic stability and high hydrogenation rates even under very ...
Influence of the metal and of the support on the activity and stability of bifunctional catalysts for toluene hydrogenation Gas phase hydrogenation of toluene, diluted in inert n-hexane in order to minimise the thermal effects was investigated in a fixed bed reactor at 110掳C ov......
FIELD: heat treatment of titanium alloys. SUBSTANCE: consists in hydrogenation of alloy VT5-01 at 800 C up to concentration of 0.25-1.0 mas.%, heating to temperature exceeding that of thermodynamic stability by 50-90 C and cooling to temperature below temperature of eutectoid a conversion by 20...
Microinterface intensification in hydrogenation and air oxidation processes Chinese Journal of Chemical Engineering, Volume 50, 2022, pp. 292-300 Hongliang Qian,…, Zhibing Zhang The effect of interfacial mass transfer of slip-rising gas bubbles on two-phase flow in the vertical wellbore/pipeline In...
(DMAc) and triethyl amine yield 1,1-bis(3-nitrobenzoyloxy phenyl) cyclopentane (II) which on finally reduced by catalytic hydrogenation in presence of 10% Pd/C in DMAc and stirred at room temperature under a 4 kg/cm hydrogen pressure yields 1,1-bis(3-aminobenzoyloxy phenyl) cyclopentane (...
Hydrogenated biphenyls are currently a good liquid-phase high-temperature thermal oil with high thermal stability, oxidation resistance and low vapor pressure. View details Isopropyl biphenyls High-purity single synthetic aromatic hydrocarbon compound, with high-temperature application of synthetic thermal...
A polycarbonate with good thermal stability--a high heat polycarbonate--is defined as that which has a glass transition temperature (Tg) in excess of 165° C., advantageously in excess of 175° C., preferably in excess of 185° C., and most preferably in excess of 195° C. Tg is the...