نتایج جستجو برای: reaction rate parameter

تعداد نتایج: 1508483  

2013
Hongpeng Liu Yan Li Dan Yu Yaohui Geng Li Yang Weibo Wang Hui Wang

Dark polymerization of active radicals at post-exposure is investigated in SiO2 nanoparticles and phenathrenequinone dispersed poly(methyl methacrylate) photopolymer experimentally and theoretically. In experiments, the grating formation and improvement of photosensitivity due to SiO2 nanoparticles at short exposure and post-exposure are presented. For analyzing the contribution of dark reactio...

2007
Jacob Lund Fisker Wanpeng Tan Joachim Görres Michael Wiescher Randall L. Cooper

Neutron stars in close binary star systems often accrete matter from their companion stars. Thermonuclear ignition of the accreted material in the atmosphere of the neutron star leads to a thermonuclear explosion which is observed as an X-ray burst occurring periodically between hours and days depending on the accretion rate. The ignition conditions are characterized by a sensitive interplay be...

2008
A. R. Beltramone D. E. Resasco W. E. Alvarez T. V. Choudhary

Hydrogenation of six model feeds containing three-, two-, and one-ring aromatic compounds was investigated to gain insights into the aromatic hydrogenation reaction chemistry over a commercial NiMo catalyst under practical reaction conditions. The hydrogenation reactivity of the aromatic compounds followed the following order: phenanthrene ∼ two-ring aromatics . one-ring aromatic. Comparison wi...

2005
H. HORNUNG

Theoretical results based on the methods of Freeman and Garr & Marrone show that the stand-off distance and flow pattern of non-equilibrium dissociating flow of nitrogen over the front part of a blunt body can be correlated in terms of a single reaction rate parameter s2 taking account of parameters describing the speed, density, dissociation and temperature of the free stream. The density patt...

Journal: :Journal of Central Banking Theory and Practice 2017

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