The Principles of hygieneW.B. Saunders Company, 1914 - 525 pages |
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Page 10
... . In the Appendix the relative values of the units of weights and measures of the metric system have been given in terms of the English system , and vice versa . D. H. B. CONTENTS . INTRODUCTION . Causes of Disease , 17. - ΙΟ PREFACE .
... . In the Appendix the relative values of the units of weights and measures of the metric system have been given in terms of the English system , and vice versa . D. H. B. CONTENTS . INTRODUCTION . Causes of Disease , 17. - ΙΟ PREFACE .
Page 10
... . In the Appendix the relative values of the units of weights and measures of the metric system have been given in terms of the English system , and vice versa . D. H. B. CONTENTS . INTRODUCTION . Causes of Disease , 17. - ΙΟ PREFACE .
... . In the Appendix the relative values of the units of weights and measures of the metric system have been given in terms of the English system , and vice versa . D. H. B. CONTENTS . INTRODUCTION . Causes of Disease , 17. - ΙΟ PREFACE .
Page 17
... given the following defini- tion : " Hygiene aims to make growth more perfect , life more vigorous , decay less rapid , death more remote . " Hence hygiene treats of the laws of health ; of all those measures which tend to preserve the ...
... given the following defini- tion : " Hygiene aims to make growth more perfect , life more vigorous , decay less rapid , death more remote . " Hence hygiene treats of the laws of health ; of all those measures which tend to preserve the ...
Page 34
... given temperature . Ozone - condensed or allotropic oxygen - is present in variable 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 ...
... given temperature . Ozone - condensed or allotropic oxygen - is present in variable 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 ...
Page 37
... given area , for this compresses the strata underneath . Conversely , the barometer is low ( 1 ) when the lower strata are heated , causing the surfaces of equal pressure to rise , and the upper layers to slide off , consequently the ...
... given area , for this compresses the strata underneath . Conversely , the barometer is low ( 1 ) when the lower strata are heated , causing the surfaces of equal pressure to rise , and the upper layers to slide off , consequently 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...