A Treatise on Hygiene and Public Health: With Special Reference to the TropicsScientific Publishing Company, 1953 - 787 sider |
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Side 51
... give a proportion of available chlorine equal to one in a million parts . Roughly 30 grs . of bleaching powder is required for 100 gallons . A cubic foot of water contains 6 gallons and 1 gallon of water weighs 10 lbs . With bleaching ...
... give a proportion of available chlorine equal to one in a million parts . Roughly 30 grs . of bleaching powder is required for 100 gallons . A cubic foot of water contains 6 gallons and 1 gallon of water weighs 10 lbs . With bleaching ...
Side 266
... give off offensive smell and create a nuisance . They also give rise to the breeding of culex mosquitoes which may spread filaria . Unfortunately kutcha drains are still to be found in certain parts of Calcutta , even in areas where ...
... give off offensive smell and create a nuisance . They also give rise to the breeding of culex mosquitoes which may spread filaria . Unfortunately kutcha drains are still to be found in certain parts of Calcutta , even in areas where ...
Side 697
... give at least a fair indication of the total population of infants from amongst whom the infant deaths were recorded . If births fluctuate rather too markedly from month to month this assumption may not be valid . Further in the ...
... give at least a fair indication of the total population of infants from amongst whom the infant deaths were recorded . If births fluctuate rather too markedly from month to month this assumption may not be valid . Further in the ...
Innhold
INTRODUCTORY | 1 |
Preventive MedicinePublic Health Administration | 20 |
CHAPTER II | 77 |
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Vanlige uttrykk og setninger
acid amount animal areas bacilli bacteria becomes Bengal beri-beri blood body boiling carbohydrate carbon carried carriers cause cent child chlorine cholera colour contains death diet digestion diphtheria disinfection drain dust dysentery effect eggs epidemic excreta factor faeces female fever filter filtered water flea ghee give heat hygiene immunity important inches India infection infectious diseases intestinal kala-azar known large number larvae latrines leprosy less malaria material measures mental method milk mortality mosquitoes necessary night-soil nutritive occurs organic matter parasites patient period persons pipe plague poisoning pollution population prevent protein public health removed rice salts sanitary sewage sewer skin slow sand filters small-pox soil solution spirochaetes supply surface symptoms tank temperature tion treatment tropical tuberculosis typhus urine usually vaccine vegetable ventilation virus vitamin washing water-supply