Bacteria in Daily LifeLongmans, Green, 1903 - 216 páginas |
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Página 4
... heat and cold ( they have been known to survive exposure lasting for seven days to a temperature of about 200 ° C. ) , the inability of starvation or desiccation to undermine their con- stitution , combine to render the question of the ...
... heat and cold ( they have been known to survive exposure lasting for seven days to a temperature of about 200 ° C. ) , the inability of starvation or desiccation to undermine their con- stitution , combine to render the question of the ...
Página 129
... heat , which is due to their possessing what is known as the hardy spore in addition to the ordinary rod form . The numbers in which they are present in milk varies with different samples ; but they may be taken as a sort of index as to ...
... heat , which is due to their possessing what is known as the hardy spore in addition to the ordinary rod form . The numbers in which they are present in milk varies with different samples ; but they may be taken as a sort of index as to ...
Página 139
... heat , in the hope of coping with this difficulty . The longevity of the tubercle bacillus and its remarkable vitality under all kinds of untoward circumstances have not unnaturally added fresh significance to this frequent discovery of ...
... heat , in the hope of coping with this difficulty . The longevity of the tubercle bacillus and its remarkable vitality under all kinds of untoward circumstances have not unnaturally added fresh significance to this frequent discovery of ...
Página 143
... heat it for from one to two hours on five successive days , watching the while that the temperature remained between 58 ° and 65 ° centigrade . The milk was sterile , and I kept it for months , but such a process , of course , is ...
... heat it for from one to two hours on five successive days , watching the while that the temperature remained between 58 ° and 65 ° centigrade . The milk was sterile , and I kept it for months , but such a process , of course , is ...
Página 144
... heat to milk is , in fact , the only advisable and reliable method for rendering it free from germs , but a great deal depends upon the manner in which the heat is applied and the cleanly condition or otherwise of the milk employed ...
... heat to milk is , in fact , the only advisable and reliable method for rendering it free from germs , but a great deal depends upon the manner in which the heat is applied and the cleanly condition or otherwise of the milk employed ...
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abrine Altona amongst animals anthrax anti-toxin B.Sc bacilli bacteria bacteriology blood BOTANY Calmette cattle cent character CHEMICAL CHEMISTRY cholera College Coloured condition consumption containing Crown 8vo cubic centimetre D.Sc dairy Diagrams diphtheria discovery disease germs doses dust Edition eel serum Engineering Examination Examples experiments exposed fact frozen Green guinea-pigs Hospital hygienic Illus Illustrations immunity important infected inoculated insolation Institute INTRODUCTION investigations laboratory large number Lecturer lethal LL.D Lond London matter ments method micro-organisms microbes milk number of bacteria obtained ordinary organisms Pasteur PHYSICS PHYSIOLOGY Plates poison powers present Professor properties published by Longmans purification rabbits recently regard researches rinderpest Robert Koch Royal 8vo School Science Scientific Works published serpent venom serum sewage snake spores sputum sterilised Students succumbed sunshine temperature tetanus TEXT-BOOK tion toxic toxin trations TREATISE treatment tubercle bacilli tuberculosis typhoid fever viper virulent vitality water-supply whilst Woodcuts
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