Hygiene and ecology
Сумата се прибавя директно в кошницата
15.46 лв.
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CONTENTS
2, Hygienic requirements to water supply. Water pollution.-
3. Drinking water quality-healthy requirements. Influence of the water chemical content on the health
P. Gatseva. 16
4. Water purification and disinfection. - P. Gatseva ; 21
4-5. Air composition and air pollution. Health effects of air pollution and prevention - P. Gatseva :..... 26
6. Hygienic characteristics of physical factors of the atmosphere — 1^P. Gatseva.. 31
v7. Climate and weather. Diseases dependent on meteorological factors. Acclimatization. — P.Gatseva 36
(ff)— 8. Hygiene of the soil. Disposal of wastes
P. Gatseva......... 38
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9. Hygienic characteristics of living conditions in the areas. Urbanization. Hygienic characteristics of the housing: condilions.-
P. Gatseva. .. 41
10. Hygienic characteristics of noise “pollution” in built-up areas. -
P.Gatseva.... 45
11. Personal hygiene. Principles of healthful life style. -
P.Gatseva 47
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