The Principles of hygieneW.B. Saunders Company, 1914 - 525 pages |
From inside the book
Results 1-5 of 58
Page 19
... increases with the density of the population , not in direct proportion to the density , but as its sixth root . The exciting causes of disease are the specific elements which are the etiologic factors in the production of dis- ease ...
... increases with the density of the population , not in direct proportion to the density , but as its sixth root . The exciting causes of disease are the specific elements which are the etiologic factors in the production of dis- ease ...
Page 32
... increases as we descend below its level . The several gases composing the atmosphere are not in chemical combination with each other , but exist as a more or less homogeneous mixture . The principal gases in the mixture are : Nitrogen ...
... increases as we descend below its level . The several gases composing the atmosphere are not in chemical combination with each other , but exist as a more or less homogeneous mixture . The principal gases in the mixture are : Nitrogen ...
Page 33
... increases . It is least in winter and great- est in autumn ; less during the day than at night ; less on the seacoast ... increased during foggy weather . The relative proportions of oxygen and carbon dioxid are maintained through the ...
... increases . It is least in winter and great- est in autumn ; less during the day than at night ; less on the seacoast ... increased during foggy weather . The relative proportions of oxygen and carbon dioxid are maintained through the ...
Page 35
... increased or decreased tension of the atmosphere . Rarefied air as found at great heights induces a condition known as mountain sickness or bal- loon sickness , and consists in increased heart action , more rapid respiration , headache ...
... increased or decreased tension of the atmosphere . Rarefied air as found at great heights induces a condition known as mountain sickness or bal- loon sickness , and consists in increased heart action , more rapid respiration , headache ...
Page 36
... increases , such as vomiting of food , bile , and blood , with great pain in the stomach , followed by death . There ... increased pressure causes the sudden liberation of gases in the tissues and blood , where they interfere with the ...
... increases , such as vomiting of food , bile , and blood , with great pain in the stomach , followed by death . There ... increased pressure causes the sudden liberation of gases in the tissues and blood , where they interfere with the ...
Common terms and phrases
acid ammonia amount animal apparatus bacillus bacteria blood body calories carbolic acid carbon dioxid cause cent centimeters chemical chlorid cholera climate clothing contained cubic meters death-rate deaths diet digestion diphtheria disinfection dust effects employed especially filter filtration fleas formaldehyd frequently fresh air grams Gynecology heat hygienic immunity important impurities increased infection infectious diseases influence injurious inspection Isolation and disinfection kilograms locality malaria Marine-Hospital Service meat method milk mosquitoes nature necessary nitrogen Obstetrics obtained organic matter oxygen parasites passengers patient persons pipe plague poisonous polluted port prevent produced proteid Public Health purification quantity quarantine quarantine officer quarantine station rats regulations removed salts sanitary scarlet fever serum sewage small-pox soil solution steam substances sulphur dioxid supply surface tank temperature tion tuberculosis typhoid fever United vaccination vegetable ventilation vessel weight yellow fever
Popular passages
Page 457 - Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled.
Page 453 - An act granting additional quarantine powers and imposing additional duties upon the Marine Hospital Service...
Page 499 - Treasury, necessary to prevent the introduction of contagious or infectious disea-ses into the United States from foreign countries or into one State or Territory or the District of Columbia...