British Abstracts: Pure chemistry and physiology. ser. A1940 |
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Trang 63
... appears very stable to chemical reagents . and , when divided , more prone to intramol . evolution of O , than to formation of AcOH . 2 5 XIII . Prolonged treatment with P2O , of an equi- mol . mixture of H2O , and EtCHO in Et2O at 0-5 ...
... appears very stable to chemical reagents . and , when divided , more prone to intramol . evolution of O , than to formation of AcOH . 2 5 XIII . Prolonged treatment with P2O , of an equi- mol . mixture of H2O , and EtCHO in Et2O at 0-5 ...
Trang 65
... appears to act not as an actual substituent but as a prolongation of the chain . At C it diminishes considerably the rate of hydrolysis , OH and OAlk having almost the same effect . It appears that the position of a substituent is much ...
... appears to act not as an actual substituent but as a prolongation of the chain . At C it diminishes considerably the rate of hydrolysis , OH and OAlk having almost the same effect . It appears that the position of a substituent is much ...
Trang 336
... appear to contain further primary or sec . OH groups since it is relatively stable towards CrO3 . Energetic acetyl- ation of ( I ) leads to a diacetate ( III ) , m.p. 177-178 ° ( monosemicarbazone , m.p. 177-178 ° ) , which appears to ...
... appear to contain further primary or sec . OH groups since it is relatively stable towards CrO3 . Energetic acetyl- ation of ( I ) leads to a diacetate ( III ) , m.p. 177-178 ° ( monosemicarbazone , m.p. 177-178 ° ) , which appears to ...
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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