Science, Том 18American Association for the Advancement of Science, 1891 Since Jan. 1901 the official proceedings and most of the papers of the American Association for the Advancement of Science have been included in Science. |
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Стр. 48
... NITRIFICATION AND THE NITRIFYING ORGANISM.1 THE nitrogen of organic substances is , for the most part , liberated during decay in the form of ammonia or ammo- niacal compounds ; and these substances yield , by oxidation , nitrous acid ...
... NITRIFICATION AND THE NITRIFYING ORGANISM.1 THE nitrogen of organic substances is , for the most part , liberated during decay in the form of ammonia or ammo- niacal compounds ; and these substances yield , by oxidation , nitrous acid ...
Стр. 50
... nitrifying organ . ism , as is shown by our long series of tests . In these natural waters the nitrifying organism seems to be under wholly normal conditions , and to be abundantly able to effect the oxidation of the small quantities of ...
... nitrifying organ . ism , as is shown by our long series of tests . In these natural waters the nitrifying organism seems to be under wholly normal conditions , and to be abundantly able to effect the oxidation of the small quantities of ...
Стр. 51
... nitrifying organism ; but repeated inoculations with a culture of this same organism , both from the flask that had ... nitrifying solutions , and to his use of solutions devoid of organic matter . of organic matter . The following is ...
... nitrifying organism ; but repeated inoculations with a culture of this same organism , both from the flask that had ... nitrifying solutions , and to his use of solutions devoid of organic matter . of organic matter . The following is ...
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