The Principles of hygieneW.B. Saunders, 1901 - 495 pages |
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Page 33
... matter which absorbs it , consequently it is absent from the air of cities . Generally speaking , the healthiest parts of towns are those receiving the purer and fresher air , containing ozone , coming from cultivated fields , forests ...
... matter which absorbs it , consequently it is absent from the air of cities . Generally speaking , the healthiest parts of towns are those receiving the purer and fresher air , containing ozone , coming from cultivated fields , forests ...
Page 49
... marsh gas , and ( 11 ) or- ganic matter . Of these alterations , the most important . are the increase in the amount of carbon dioxid and the corresponding decrease in the amount of oxygen , the increase 4 THE IMPURITIES IN AIR . 49.
... marsh gas , and ( 11 ) or- ganic matter . Of these alterations , the most important . are the increase in the amount of carbon dioxid and the corresponding decrease in the amount of oxygen , the increase 4 THE IMPURITIES IN AIR . 49.
Page 50
... Matter . — That organic matter is present in the expired air is obvious from its odor , which is often quite fetid , and from the fact that when it is collected by the condensation of the aqueous vapor it is putrescible . It has been ...
... Matter . — That organic matter is present in the expired air is obvious from its odor , which is often quite fetid , and from the fact that when it is collected by the condensation of the aqueous vapor it is putrescible . It has been ...
Page 51
... matter . The quantity of organic matter given off with the expired air has been estimated . Cornelly , Haldane , and Anderson found , in ten observa- tions , that the amount of oxygen required to oxidize the organic matter varied from ...
... matter . The quantity of organic matter given off with the expired air has been estimated . Cornelly , Haldane , and Anderson found , in ten observa- tions , that the amount of oxygen required to oxidize the organic matter varied from ...
Page 52
... matter given off with the expired air to be 17.5 milligrams of free , and 9.0 milligrams of albuminoid , ammonia per liter of condensed vapor , for healthy persons ; and 0.3 milligram of free , and 3.4 milligrams of albu- minoid ...
... matter given off with the expired air to be 17.5 milligrams of free , and 9.0 milligrams of albuminoid , ammonia per liter of condensed vapor , for healthy persons ; and 0.3 milligram of free , and 3.4 milligrams of albu- minoid ...
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