The Principles of hygieneW.B. Saunders Company, 1914 - 525 pages |
From inside the book
Results 1-5 of 90
Page 26
... obtain statistical evidence of the unfavorable influence upon health of the general hygienic conditions of the sur- roundings , yet the following table , based upon the special Census Report for Philadelphia in 1890 , shows this effect ...
... obtain statistical evidence of the unfavorable influence upon health of the general hygienic conditions of the sur- roundings , yet the following table , based upon the special Census Report for Philadelphia in 1890 , shows this effect ...
Page 38
... obtaining moisture from the surface of a large body of water ; ( b ) upon the rate of diffusion of the moist air of the locality and its replacement by drier air ; and ( c ) changes in the temperature of the air , inducing precipitation ...
... obtaining moisture from the surface of a large body of water ; ( b ) upon the rate of diffusion of the moist air of the locality and its replacement by drier air ; and ( c ) changes in the temperature of the air , inducing precipitation ...
Page 60
... obtained by means of a properly managed stationary psychrometer ( Fig . 3 ) , or with the hair hygrom- eter ( Fig . 4 , p . 39 ) . Estimation of the Organic Matter in Air . - The propor- tion of organic matter can only be determined ...
... obtained by means of a properly managed stationary psychrometer ( Fig . 3 ) , or with the hair hygrom- eter ( Fig . 4 , p . 39 ) . Estimation of the Organic Matter in Air . - The propor- tion of organic matter can only be determined ...
Page 66
... obtained when a fair amount . of exercise is taken . A man of average weight excretes 17 liters of carbon dioxid per hour in repose , 25.5 liters with gentle exertion , and 51 liters with hard work . Weight for weight , children give ...
... obtained when a fair amount . of exercise is taken . A man of average weight excretes 17 liters of carbon dioxid per hour in repose , 25.5 liters with gentle exertion , and 51 liters with hard work . Weight for weight , children give ...
Page 74
... obtained by placing a louver near the top of the upper sash ; or by placing a movable glass disk , perforated with holes , over one of the panes , which is perforated in a similar manner , when by rotating the disk communication can be ...
... obtained by placing a louver near the top of the upper sash ; or by placing a movable glass disk , perforated with holes , over one of the panes , which is perforated in a similar manner , when by rotating the disk communication can be ...
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...