A Treatise on Hygiene and Public Health: With Special Reference to the TropicsScientific Publishing Company, 1953 - 787 sider |
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Side 219
... EGGS The egg is a typical example of food containing all the proximate principles necessary for the growth and deve- lopment of the body and is one of the protective foods con- taining first class protein . It is however deficient as re ...
... EGGS The egg is a typical example of food containing all the proximate principles necessary for the growth and deve- lopment of the body and is one of the protective foods con- taining first class protein . It is however deficient as re ...
Side 412
... eggs are cemented together in the form of rafts , each consist- ing of from 200 to 500 eggs , and easily distinguishable with the naked eye . The eggs are about the size of caraway seeds , and are of a brownish black colour . The ...
... eggs are cemented together in the form of rafts , each consist- ing of from 200 to 500 eggs , and easily distinguishable with the naked eye . The eggs are about the size of caraway seeds , and are of a brownish black colour . The ...
Side 424
... eggs at a time . Taking the egg batch to be 120 eggs in each case the progeny of a single house - fly will number 432,000 in seven weeks , i.e. in three generations , taking the time of development from egg to fly as seven days ( Austen ) ...
... eggs at a time . Taking the egg batch to be 120 eggs in each case the progeny of a single house - fly will number 432,000 in seven weeks , i.e. in three generations , taking the time of development from egg to fly as seven days ( Austen ) ...
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