The Principles of hygieneW.B. Saunders, 1904 - 536 من الصفحات |
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الصفحة 12
... Means of Chemicals , 141. - Suita- bility of Water for Boiling Purposes , 143. - Standard Method of Water and Sewage Analysis , 144 . CHAPTER V. THE REMOVAL And Disposal of Sewage The Removal of Sewage , 157. - Water - closets , 157 ...
... Means of Chemicals , 141. - Suita- bility of Water for Boiling Purposes , 143. - Standard Method of Water and Sewage Analysis , 144 . CHAPTER V. THE REMOVAL And Disposal of Sewage The Removal of Sewage , 157. - Water - closets , 157 ...
الصفحة 17
... means which tend to preserve the body in a healthy con- dition , as well as those which tend to improve the general health . It embraces a knowledge of the factors and conditions which bring about ill health and disease , as well as a ...
... means which tend to preserve the body in a healthy con- dition , as well as those which tend to improve the general health . It embraces a knowledge of the factors and conditions which bring about ill health and disease , as well as a ...
الصفحة 27
... means of avoiding or destroying them . It is not a specific department or separate branch of science , but is implied , in part , in a number of sciences , as chemistry , biology , physics , pathology , statis- tics , etc. The term ...
... means of avoiding or destroying them . It is not a specific department or separate branch of science , but is implied , in part , in a number of sciences , as chemistry , biology , physics , pathology , statis- tics , etc. The term ...
الصفحة 34
... means of barometers . The mercurial barometer is usually employed in making these observations ( Fig . 1 ) . Marked deviations from the normal atmospheric pressure , such as are found in exceedingly high altitudes , in balloon ascen ...
... means of barometers . The mercurial barometer is usually employed in making these observations ( Fig . 1 ) . Marked deviations from the normal atmospheric pressure , such as are found in exceedingly high altitudes , in balloon ascen ...
الصفحة 36
... means the mass of air pressing on the area below is reduced ; ( 2 ) when the air is damp , for as the density of aqueous vapor at o ° C. temperature and 760 millimeters pressure is 0.7721 , air being 1 , the mixture is lighter the more ...
... means the mass of air pressing on the area below is reduced ; ( 2 ) when the air is damp , for as the density of aqueous vapor at o ° C. temperature and 760 millimeters pressure is 0.7721 , air being 1 , the mixture is lighter the more ...
عبارات ومصطلحات مألوفة
acid ammonia amount animals average bacillus bacteria Bacteriology blood Board of Health body boiling calories carbolic acid carbon dioxid cause cent centimeters cholera climate clothing color contained cubic meters danger death-rate deaths digestion diphtheria disinfection dust effects efficiency employed especially filtered water filters filtration formaldehyd fresh air gallons grams heat hygienic immune important impurities increased infected infectious diseases influence inspection kilograms locality malaria Marine-Hospital Service means meat method milk mosquitoes nature necessary nitrogen obtained officer organic matter oxygen parasites passengers patient persons pipe plague polluted port prevent produced proteid Public Health purification quarantine regulations removed salts sanitary scarlet fever serum sewage small-pox soil solution steam substances sulphur dioxid supply surface tank temperature tion tuberculosis typhoid fever typhus fever United vaccination vegetable ventilation vessel water-supply yellow fever
مقاطع مشهورة
الصفحة 444 - ... to be recovered by proceedings in the proper district court of the United States. In all such proceedings the United States district attorney for such district shall appear on behalf of the United States...
الصفحة 452 - Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled.
الصفحة 446 - Treasury weekly reports of the sanitary condition of the ports and places at which they are respectively stationed, according to such forms as the Secretary of the Treasury...
الصفحة 448 - An act granting additional quarantine powers and imposing additional duties upon the Marine Hospital Service...
الصفحة 486 - 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...