The Principles of hygieneW.B. Saunders, 1901 - 495 pages |
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Page 38
... contain in the form of vapor ; and if the temperature be low- ered , the amount of moisture remaining the same , eventu- ally a point will be reached at which some of the moist- b FIG . 3. - Psychrometer : a , dry- bulb thermometer ; b ...
... contain in the form of vapor ; and if the temperature be low- ered , the amount of moisture remaining the same , eventu- ally a point will be reached at which some of the moist- b FIG . 3. - Psychrometer : a , dry- bulb thermometer ; b ...
Page 40
... contained in a given volume of air ex- pressed in grams per cubic meter . It varies with the temperature , and it may be computed from the readings . of the wet and dry - bulb thermometers by the use of tables . Relative Humidity ...
... contained in a given volume of air ex- pressed in grams per cubic meter . It varies with the temperature , and it may be computed from the readings . of the wet and dry - bulb thermometers by the use of tables . Relative Humidity ...
Page 50
... contain 4 per cent . of carbon dioxid , and that 17 respirations are taken every minute , then the carbon dioxid excreted in one hour is 500 X 0.04 X 17 X 60 = 20.4 liters , or 489.6 liters in twenty - four hours . Aqueous Vapor . - The ...
... contain 4 per cent . of carbon dioxid , and that 17 respirations are taken every minute , then the carbon dioxid excreted in one hour is 500 X 0.04 X 17 X 60 = 20.4 liters , or 489.6 liters in twenty - four hours . Aqueous Vapor . - The ...
Page 54
... contain impurities arising from sewers or from cesspools . Dust in the Air . - The most injurious constituent of the air in certain manufactories and in the air of the streets of cities is dust . Mineral dust is given off in certain ...
... contain impurities arising from sewers or from cesspools . Dust in the Air . - The most injurious constituent of the air in certain manufactories and in the air of the streets of cities is dust . Mineral dust is given off in certain ...
Page 55
... contained carbon dioxid . Carbon Monoxid . - This is a powerful narcotic poison . Its poisonous action depends on the formation of a new and quite stable compound with the hemoglobin of the blood , the oxygen being entirely displaced ...
... contained carbon dioxid . Carbon Monoxid . - This is a powerful narcotic poison . Its poisonous action depends on the formation of a new and quite stable compound with the hemoglobin of the blood , the oxygen being entirely displaced ...
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