ScienceJohn Michels (Journalist) 1938 |
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Page 136
... chemical elements known as the periodic system was discovered . The extensive chemistry of the com- pounds of carbon ... chemical problems . The foundations of statistical mechanics which have been used recently in the understanding of ...
... chemical elements known as the periodic system was discovered . The extensive chemistry of the com- pounds of carbon ... chemical problems . The foundations of statistical mechanics which have been used recently in the understanding of ...
Page 389
... chemical elements benefit the growth of one plant or another when supplied in small quantities in the form of salts . Soils have also been found in which certain plants grow very poorly , due to deficiency or lack of availability of one ...
... chemical elements benefit the growth of one plant or another when supplied in small quantities in the form of salts . Soils have also been found in which certain plants grow very poorly , due to deficiency or lack of availability of one ...
Page 610
... Chemistry since 1933 , has been a leader of chemical research in the field of radioactivity , radium extraction and measurement , influence of radiation on chemical action , kinetics and chemical reactions , photo- chemistry and chemical ...
... Chemistry since 1933 , has been a leader of chemical research in the field of radioactivity , radium extraction and measurement , influence of radiation on chemical action , kinetics and chemical reactions , photo- chemistry and chemical ...
Contents
CHAIKOFF | 1 |
CARR W H Raymond H Torrey 419 | 13 |
P British Association 404 | 15 |
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