The Principles of hygieneW.B. Saunders, 1901 - 495 pages |
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Page 19
... locality . Dr. Farr found that the mortality increases with the density of the population , but not in direct proportion to the density , but as its sixth root . The exciting causes of disease are the specific elements which are the ...
... locality . Dr. Farr found that the mortality increases with the density of the population , but not in direct proportion to the density , but as its sixth root . The exciting causes of disease are the specific elements which are the ...
Page 26
... locality is also an important factor , and its influence in relation to con- sumption has been carefully investigated by Dr. Bow- ditch , of Boston , and Dr. Buchanan , of London . Their 1 Hospital and Almshouse . investigations have ...
... locality is also an important factor , and its influence in relation to con- sumption has been carefully investigated by Dr. Bow- ditch , of Boston , and Dr. Buchanan , of London . Their 1 Hospital and Almshouse . investigations have ...
Page 27
... locality , as predisposing factors of dis- ease will be discussed in detail in special chapters on these subjects ... localities , influence the healthfulness of human habitations . It comprises a knowledge of all HYGIENE . 27 Causes of ...
... locality , as predisposing factors of dis- ease will be discussed in detail in special chapters on these subjects ... localities , influence the healthfulness of human habitations . It comprises a knowledge of all HYGIENE . 27 Causes of ...
Page 33
... localities which are thickly populated . It is found in the atmosphere over fields covered with vegetation , over forests , and over the ocean . Ozone is an active oxidizing agent , and the air of cities is rich in oxidizable organic ...
... localities which are thickly populated . It is found in the atmosphere over fields covered with vegetation , over forests , and over the ocean . Ozone is an active oxidizing agent , and the air of cities is rich in oxidizable organic ...
Page 34
... locality , and also in the same locality at different times . At the sea - level this average pressure amounts to a little over a kilogram per square centimeter , and is sufficient to support a column of mercury 760 millimeters in ...
... locality , and also in the same locality at different times . At the sea - level this average pressure amounts to a little over a kilogram per square centimeter , and is sufficient to support a column of mercury 760 millimeters in ...
Common terms and phrases
ammonia amount animals antitoxin bacillus bacteria baggage bichlorid of mercury Board of Health body boiling calories carbolic acid carbon dioxid cargo cause cent centimeters cholera clean Clinical Cloth color contained cubic centimeters cubic meters death-rate deaths diet digestion diphtheria discharged disinfection dust Edition effects epidemic exposure filter filtration Fomites formaldehyd fresh air grams heat Hospital hygienic immunity important impurities infected infectious diseases influence inspection kilograms liters means meat Medical Medicine method milk mosquitoes nature nitrogen octavo organic matter oxygen passengers persons pipe polluted port prevent produced Professor proteid purification quarantine quarantine officer regulations removed salts sanitary scarlet fever sewage small-pox soil solution of bichlorid steam steerage substances sulphur dioxid supply surface Surgery tank temperature Text-Book tion tuberculosis typhoid fever typhus fever United vaccination vegetable ventilation vessel water-supply weight yellow fever