ADMINISTRATIVE PHASES OF STREAM POLLUTION CONTROL
نویسندگان
چکیده
منابع مشابه
Progress in the Control of Stream Pollution in Indiana
enable us to undertake the building of roads in the more hilly sections of the county. One shovel and the necessary trucks and graders will be used on construction, while the other shovel and the remainder of the trucks will be free for loading and hauling the much-needed material required for maintain ing the remainder of our roads. Thus we expect in the coming year to give better service to ...
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15 صفحه اولEvaluation of Noise pollution in the schools of Birjand city and its administrative solutions, in 2011
Background: Educational centers have higher standards for controlling noise pollution as it has been shown that noise pollution is a major cause of discomfort for teachers and students. Noise pollution reduces concentration, interferes in the conversation, and leads to dropouts and lower grades especially in mathematics. The present study aimed to evaluate noise pollution in the schools ...
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ژورنال
عنوان ژورنال: American Journal of Public Health
سال: 1926
ISSN: 0271-4353
DOI: 10.2105/ajph.16.8.788