A Manual of public health1890 - 676 |
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Strona 12
... constructed , then a further division is necessary . ( 8 ) Calculation of Birth and Death Rates . In the first place the data must be made as correct as pos- sible . Should there be a lying - in institution in the district , the births ...
... constructed , then a further division is necessary . ( 8 ) Calculation of Birth and Death Rates . In the first place the data must be made as correct as pos- sible . Should there be a lying - in institution in the district , the births ...
Strona 20
... constructed by dividing each sub - district by the total population to give the first factor ; e.g. , by dividing the population of All Souls by the total population , 26,759 = 0.17 , which , multiplied by 1 , 2 , 3 , & c . , gives the ...
... constructed by dividing each sub - district by the total population to give the first factor ; e.g. , by dividing the population of All Souls by the total population , 26,759 = 0.17 , which , multiplied by 1 , 2 , 3 , & c . , gives the ...
Strona 24
... constructed for each district and for each profession to determine their degrees of salubrity , which while they involve a minimum amount of arith- metical labour will yield results as correct as can be obtained in the present state of ...
... constructed for each district and for each profession to determine their degrees of salubrity , which while they involve a minimum amount of arith- metical labour will yield results as correct as can be obtained in the present state of ...
Strona 26
... constructed without reference to any registry of the deaths at different ages . The mean age at death in such a community would express the mean lifetime , or the expectation of life at birth ; and the product of the number expressing ...
... constructed without reference to any registry of the deaths at different ages . The mean age at death in such a community would express the mean lifetime , or the expectation of life at birth ; and the product of the number expressing ...
Strona 29
... constructed by taking intervals of ten years , and using - { m } 10 1+ 3m ) . The errors in the calculation If we of the expectation of life from the living at every tenth year can be corrected . They are always of the same nature ...
... constructed by taking intervals of ten years , and using - { m } 10 1+ 3m ) . The errors in the calculation If we of the expectation of life from the living at every tenth year can be corrected . They are always of the same nature ...
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Kluczowe wyrazy i wyrażenia
ammonia animals anthrax apparatus atmosphere bacillus blood Board Boiler boiling Bye-Laws for Regulating carbon dioxide carbonic acid carried cause cent chamber chlorine cholera cistern clean closet colour containing cowkeeper Cowshed cresol Crown 8vo cubic feet cubic foot deaths diameter diarrhoea diphtheria discharge disease disinfectant distilled district drain Edition experiments fever filter gallons gases gelatin grms guinea-pigs heat inches infection inoculation intestine iron lime liquid litre London London County Council lung manufacture matter means Medical Officer Metropolis Metropolitan Board micro-organisms milk minute mortality nitrogen nuisance odour offensive Officer of Health organic oxygen person phenol pipe pneumonia premises pressure quantity receptacles sanitary authority scarlet fever sewage sewer shaft slaughterhouse solution spores steam substances sulphate sulphuric acid syphon temperature tube tubercle tubercular tuberculosis typhoid typhus vapour velocity ventilation vessels water supply weight
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