British Abstracts: Pure chemistry and physiology. ser. A1940 |
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... catalyst , k 7 × 10−2 . The temp . coeff . is small , corresponding with an activation energy 3000 g . - cal . A possible mechan- ism , in which the function of the catalyst is to facilitate triple collisions between styrene mols ...
... catalyst , k 7 × 10−2 . The temp . coeff . is small , corresponding with an activation energy 3000 g . - cal . A possible mechan- ism , in which the function of the catalyst is to facilitate triple collisions between styrene mols ...
Trang 366
... catalyst , expressed as the temp . at which a definite % mass exchange is attained , is only slightly affected by the velocity of gas flow or the amount of catalyst used . D. F. R. Mixed catalysts . V. N. IPATIEV ( Science , 1940 , 91 ...
... catalyst , expressed as the temp . at which a definite % mass exchange is attained , is only slightly affected by the velocity of gas flow or the amount of catalyst used . D. F. R. Mixed catalysts . V. N. IPATIEV ( Science , 1940 , 91 ...
Trang 416
... catalysts at 109 ° the rate coeffs . are approx . equal , whilst for p- CH Me SO2H as catalyst at 109 ° the rate coeff . for polyesterification is 11 times the rate coeff . for alcoholysis , the activation energies being 12 , 150 , and ...
... catalysts at 109 ° the rate coeffs . are approx . equal , whilst for p- CH Me SO2H as catalyst at 109 ° the rate coeff . for polyesterification is 11 times the rate coeff . for alcoholysis , the activation energies being 12 , 150 , and ...
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EXPERIMENTAL PHYSIOLOGY | |
1940 | 1 |
CHEMISTRY AND RELATED SUBJECTS | |
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absorption absorption spectra Acad acid activation energy activity adsorbed alkali alloys Amer Anal analysis approx ation atoms Atti X Congr bands calc catalyst CCl4 Chem chemical Chim chloride CO₂ coeff colloidal compounds Compt concn const crystals curves decomp decreases described determined deuterons diffusion discussed dissociation effect electrolytes electron emission energy equation equilibrium EtOH Faraday Soc ferromagnetic film formation gases H₂ H₂O heat hydrogen hydrolysis increases intensity ionisation ions isotopes kg.-cal lattice layer liquid magnetic Me.v measured meson mesotrons metals method mixtures N₂ neutrons obtained oxidation paramagnetic particles phase Phys Physical Rev polarisation potential pptd pressure Proc protons Raman reaction rend Russ salts SiO2 solid solid solution solubility solutions solvent spectra spectrum structure surface temp theory thermal titration Trans vals vapour velocity viscosity X-ray