British Abstracts: Pure chemistry and physiology. ser. A1941 |
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Trang 57
... probably < 0.5 . The deficit of Th is due to co - pptn . in sediments , probably with Fe ( OH ) ,; simultaneous pptn . of Io may be the cause of a reduced Ra : U ratio in the H2O , although pptn . of RaCO , with CaCO , in living ...
... probably < 0.5 . The deficit of Th is due to co - pptn . in sediments , probably with Fe ( OH ) ,; simultaneous pptn . of Io may be the cause of a reduced Ra : U ratio in the H2O , although pptn . of RaCO , with CaCO , in living ...
Trang 193
... ( probably ) p - hydroxy - B - p ' - anisylcinnamic acid , m.p. 185-186 ° ( Me ether Me ester , m.p. 86-87 ° , hydrolysed to the Me ether , m.p. 137-138 ° ) , presumably formed by addition of PhOH to p - OMe CH , C ; C • CO2H . Et B ...
... ( probably ) p - hydroxy - B - p ' - anisylcinnamic acid , m.p. 185-186 ° ( Me ether Me ester , m.p. 86-87 ° , hydrolysed to the Me ether , m.p. 137-138 ° ) , presumably formed by addition of PhOH to p - OMe CH , C ; C • CO2H . Et B ...
Trang 295
... ( probably ) 9 : 10 - dihydro - 1 : 2 - cyclopentenophen- anthrene , m.p. 61-62 ° , and some ketonic substance . Pondorff reduction of ( I ) affords 3 - hydroxy - 7 - methoxy - 12 : 39 : 10 : 11- hexahydro- ( II ) , m.p. 157-161 ...
... ( probably ) 9 : 10 - dihydro - 1 : 2 - cyclopentenophen- anthrene , m.p. 61-62 ° , and some ketonic substance . Pondorff reduction of ( I ) affords 3 - hydroxy - 7 - methoxy - 12 : 39 : 10 : 11- hexahydro- ( II ) , m.p. 157-161 ...
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General Physical and Inorganic Chemistry I II Subatomics | 1 |
Molecular Structure | 3 |
Crystal Structure | 5 |
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absorption Acad acid activation energy activity adsorbed adsorption alloys Amer analysis approx ation atoms bands calc catalyst Chem chemical CO₂ coeff colloidal compounds Compt concn const containing crystal curves decomp decreases deposits described determined deuterons diffraction diffusion discussed effect electrolytes electron emission energy entropy equation equilibrium EtOH ferromagnetic films formation formed glass H₂ H₂O heat hydrogen hysteresis increases indicate Instr intensity ionisation ions Kolloid lattice layer liquid magnetic Me.v measured mesons mesotrons metals method minerals mixtures monoclinic neutrons observed obtained oxidation particles PhOH Phys Physical Chem Physical Rev polarisation potential presence pressure Proc protons quartz radioactive reaction Russ salts Shurn solid solid solutions sols solubility solutions solvent spectra spectrum structure surface temp theory thermal titration unit cell vals vapour velocity viscosity X-ray