Sewage Works Analyses
نویسندگان
چکیده
منابع مشابه
A Visit to Sheffield's Remarkable Sewage Works
JF Mr. John Haworth, the Manager of the Sheffield Sewage Disposal Department at Wincobank, has considerable inroads made upon his time by deputations from other Councils and by other interested observers, he is paying the penalty of being a pioneer and the possessor of a courteous and interesting personality. We were informed by a friendly guide, who directed us to the works by way of an unhall...
متن کاملAn Expansion Program for the Anderson Sewage-Treatment Works
There are a few things about Anderson that I feel I must tell you in order to justify the planned expansion program for our sewagetreatment works. In 1938, under the Federal Emergency Adminis tration of Public Works, Project No. 1225 F was started and in June, 1940, the treatment plant was placed in operation. The plant has a designed capacity of 8 m.g.d., using the Guggenheim biochemical proc...
متن کاملThe use of sewage treatment works as foraging sites by insectivorous bats
Sewage treatment works with percolating filter beds are known to provide profitable foraging areas for insectivorous birds due to their association with high macroinvertebrate densities. Fly larvae developing on filter beds at sewage treatment works may similarly provide a valuable resource for foraging bats. Over the last two decades, however, there has been a decline in filter beds towards a ...
متن کاملAbnormalities in sexual development of the amphipod Gammarus pulex (L.) found below sewage treatment works.
Increasing numbers of widely used industrial, agricultural, and natural chemicals are known to elicit endocrine-disrupting effects in a wide range of vertebrate and invertebrate species. The objective of this study was to determine whether the sexual development of the freshwater crustacean Gammarus pulex (L.) was affected below sewage treatment works (STW) previously known to contain endocrine...
متن کاملSewEx – A flex Based Expert System for Sewage Treatment Works Support
The development of an expert system for sewage treatment works management SewEx is described. This was built with the flex expert system toolkit. The system allows the diagnosis of problems in sewage sites which are managed by Welsh Water and accesses the surface assets database over a company network. Other uses of SewEx, such as what–if scenarios, maintenance and refurbishment are also outlin...
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ژورنال
عنوان ژورنال: Nature
سال: 1903
ISSN: 0028-0836,1476-4687
DOI: 10.1038/067457b0