The Physical Basis of SocietyD.Appleton, 1928 - 526 من الصفحات |
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الصفحة xii
... Early Discoveries 179 Early Metals 179 Later Metals 180 Limited Supply of Metals 181 • CHAPTER PAGE Culture and Invention The Metals Iron Supply Iron xii CONTENTS.
... Early Discoveries 179 Early Metals 179 Later Metals 180 Limited Supply of Metals 181 • CHAPTER PAGE Culture and Invention The Metals Iron Supply Iron xii CONTENTS.
الصفحة xiii
... Early Remedies Beginnings of Medical Science Galen Suggested Causes of Disease Beginnings of Bacteriology Pasteur Koch The Germ Theory The Pathogenic Bacteria The Conquest of Specific Diseases Smallpox Yellow Fever Malaria Hookworm ...
... Early Remedies Beginnings of Medical Science Galen Suggested Causes of Disease Beginnings of Bacteriology Pasteur Koch The Germ Theory The Pathogenic Bacteria The Conquest of Specific Diseases Smallpox Yellow Fever Malaria Hookworm ...
الصفحة xvi
... Early Classifications 375 377 Blumenbach's Classification 378 Race Criteria 379 Human Origins 381 Early Remains Neanderthal Man 381 382 Cro - Magnon Man 383 Modern Races 1. The Mediterranean 2. The Nordic 3. The Alpine 4. The Dinaric ...
... Early Classifications 375 377 Blumenbach's Classification 378 Race Criteria 379 Human Origins 381 Early Remains Neanderthal Man 381 382 Cro - Magnon Man 383 Modern Races 1. The Mediterranean 2. The Nordic 3. The Alpine 4. The Dinaric ...
الصفحة 13
... early in 1926 , scientists at Amsterdam by exposing lead to intense heat in high vacuum secured mercury and thallium and Taylor of Princeton by the collision of hydrogen molecules and mercury produced peroxide of hydrogen . There is ...
... early in 1926 , scientists at Amsterdam by exposing lead to intense heat in high vacuum secured mercury and thallium and Taylor of Princeton by the collision of hydrogen molecules and mercury produced peroxide of hydrogen . There is ...
الصفحة 18
... early period must have been rich in carbon dioxide and poor in oxygen . When living organisms appeared , the carbon dioxide was gradually removed from the air and the oxygen taken from the rocks was given to the air until the present ...
... early period must have been rich in carbon dioxide and poor in oxygen . When living organisms appeared , the carbon dioxide was gradually removed from the air and the oxygen taken from the rocks was given to the air until the present ...
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