نتایج جستجو برای: settled sewage
تعداد نتایج: 18105 فیلتر نتایج به سال:
Background & Aims of the Study: Vegetables are useful for humans as they contain minerals, vitamins, fiber and other nutrients. Eating raw vegetables are a nutritional habit in Iranian families. Raw eating vegetables is the main source of parasitic infections. The aim of this study was to determine microbial contamination of raw vegetables in Ahvaz, Iran during 2014-2015. ...
the study applied an isolated brevibacterium sp. (mtcc 10313) for bioremediation of zn, cu, mg and pb in domestic sewage. batch culture experiments were performed on both the fresh and stale sewage samples with glucose supplementation of 1-8g/l. nutrient broth medium was prepared, sterilized and ph adjusted to 6.5-6.8. 1% of the brevibacteria sp. stock was inoculated into the broth and maintain...
When people recurrently interact in familiar settings, social conventions may develop so that people tend to disregard alternatives outside the conventional norm. For rational players to usually restrict attention to a block of conventional strategies, no player should prefer to deviate from the block when others are likely to act rationally and conventionally inside it. We explore concepts tha...
A mesocosm experiment to assess the fate and effects of sewage sludge in the coastal marine environment was conducted over 4 mo during the summer of 1984 with 9 different treatments of sewage sludge and nutrient addtions. Evidence from setthng rate studes, accumulahons of carbon and pollutant organics and rahos of in the sediment indicated up to 83 O/O of the sludge particulate inputs settled t...
This paper discusses the requirement for, and presents an analytical procedure for, the determination of four steroid hormones and a conjugated steroid (estrone-3-sulfate) in wastewaters. The method utilizes LC/MS/MS following solid phase extraction and a two stage clean-up procedure, achieving limits of detection of 0.2 ng l(-1) for estriol, 17beta-estradiol and 17 alpha-ethinylestradiol, and ...
Abstract Sequencing batch reactor systems in wastewater treatment is widely applied activated sludge technology. The system performance not only dependent on the raw sewage quality and biochemical processes, but flow pattern within has a significant impact itself. varying stages of operation require different fluid conditions; biological stage shall be appropriately mixed, whereas low velocity ...
A cluster of arrays “provid[ing] principles order within the unstructured simultaneity everyday-worlds”* in Egypt and Tunisia 2016, forming part two countries’ “culture” during In 2016 project’s target year.
 *H. U. Gumbrecht, 1926: Living at Edge Time (1997), 443.
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