The Principles of hygieneW.B. Saunders Company, 1914 - 525 pages |
From inside the book
Results 1-5 of 38
Page 12
... Filters , 166. The Removal of Sewage by Liernur System , 168. - Commer- cial Value of Sewage , 169 . PAGE 149 CHAPTER VI . GARBAGE DISPOSAL . Collection and Removal of Garbage , 172. - Disposal of Garbage , 173 . CHAPTER VII . FOOD AND ...
... Filters , 166. The Removal of Sewage by Liernur System , 168. - Commer- cial Value of Sewage , 169 . PAGE 149 CHAPTER VI . GARBAGE DISPOSAL . Collection and Removal of Garbage , 172. - Disposal of Garbage , 173 . CHAPTER VII . FOOD AND ...
Page 70
... filter the air before it is distributed . The current of incoming air should be imperceptible . This is of special importance when , as is generally the case , the temperature of the outer air is lower than that of the air of the ...
... filter the air before it is distributed . The current of incoming air should be imperceptible . This is of special importance when , as is generally the case , the temperature of the outer air is lower than that of the air of the ...
Page 83
... filtering . With this object in view it may be made to impinge on a sheet of still water or , better , a film of glycerin , which retains impurities better and does not evaporate so readily . The air may be filtered through coarse cloth ...
... filtering . With this object in view it may be made to impinge on a sheet of still water or , better , a film of glycerin , which retains impurities better and does not evaporate so readily . The air may be filtered through coarse cloth ...
Page 115
... filters from a river or pond into the soil forming its basin , and the water which has entered the ground from a variety of sources , but has been checked in its downward percolation by more or less impervious strata . The water of the ...
... filters from a river or pond into the soil forming its basin , and the water which has entered the ground from a variety of sources , but has been checked in its downward percolation by more or less impervious strata . The water of the ...
Page 116
... filtering galleries . The amount of water that may be obtained from deep and shallow wells depends upon the same conditions as those influencing the amount of surface - water . Besides this , the quantity is also dependent upon the ...
... filtering galleries . The amount of water that may be obtained from deep and shallow wells depends upon the same conditions as those influencing the amount of surface - water . Besides this , the quantity is also dependent upon 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...