The Principles of hygieneW.B. Saunders Company, 1914 - 525 pages |
From inside the book
Results 1-5 of 100
Page 11
... Amount of Fresh Air Required , 66. - Cubic Space , 68. - General Rules for Ventilation , 70. - Natural Ventilation , 70. - Arrangements in Natural Ventilation , 72. - Artificial Ventilation , 80. - Removal of Dust , 85 . HEATING ...
... Amount of Fresh Air Required , 66. - Cubic Space , 68. - General Rules for Ventilation , 70. - Natural Ventilation , 70. - Arrangements in Natural Ventilation , 72. - Artificial Ventilation , 80. - Removal of Dust , 85 . HEATING ...
Page 34
... amounts in different places on the earth's sur- face . The average amount present is 1 milligram per 100 cubic meters of air ; the maximum amount being about 3.5 milligrams . This gas is usually absent from the air of cities and the air ...
... amounts in different places on the earth's sur- face . The average amount present is 1 milligram per 100 cubic meters of air ; the maximum amount being about 3.5 milligrams . This gas is usually absent from the air of cities and the air ...
Page 40
... amount of water it can contain in the form of vapor ; and if the temperature be lowered , the amount of moisture remaining the same , eventually a point will be reached at which some of the moisture is precipitated . This temperature is ...
... amount of water it can contain in the form of vapor ; and if the temperature be lowered , the amount of moisture remaining the same , eventually a point will be reached at which some of the moisture is precipitated . This temperature is ...
Page 41
... amount of aqueous vapor actually present , and the amount that would be present if the air were saturated , being known , the former is ex- pressed as a percentage of the latter , giving the relative humidity . Relative humidity is ...
... amount of aqueous vapor actually present , and the amount that would be present if the air were saturated , being known , the former is ex- pressed as a percentage of the latter , giving the relative humidity . Relative humidity is ...
Page 42
... amount of heat transmitted by the sun in the tropics , which gives rise to what are known as " trade " winds . The varying amounts of heat trans- mitted by the sun in different latitudes and at different altitudes , and the variations ...
... amount of heat transmitted by the sun in the tropics , which gives rise to what are known as " trade " winds . The varying amounts of heat trans- mitted by the sun in different latitudes and at different altitudes , and the variations ...
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...