نتایج جستجو برای: the lower floc detention time
تعداد نتایج: 16244117 فیلتر نتایج به سال:
detention has been taken into staff consideration as a restrictive action since a long time ago. besides quite a few multiple documents are issued in connection with freedom support against detention by human rights defenders and international organization. since illustration of these documents practically display, digging in method of international penal courts such as permanent and temporary ...
The effects of the electrolyte concentration and pH on the settling behaviour, floc sizes and rheological behaviour of kaolinite suspensions were investigated. The results show that the settling behaviour of kaolinite changes with the ionic strength and pH of the suspension. In the acidic pH range, (pH 2) particles settle in flocculated form regardless of electrolyte concentration, however, in ...
in this study, scour of mashkid bridge pier located in mashkid river of saravan county has been studied and to measure the scour rate, the numerical model hec-ras 4.0 has been used. upon selection of mashkid river as the case study and whereas the studied zone is important with respect to the climatic conditions and showery monsoon raining and flowing the great and destructive floodwaters, ther...
BACKGROUND Most literature on psychological consequences of torture is related to prolonged detention. Psychological consequences of intensive physical and psychological torture in brief detention have not been investigated. The aim of this study is to analyse the psychological impact of torture in short-term incommunicado detention. METHOD A sample of 45 Basque people who had allegedly been ...
We estimated the mass budget for mercury (Hg) seasonally deposited into the Florida Everglades and investigated seasonality of Hg cycling by analyzing data obtained for water, soil, flocculent detrital material (floc), periphyton, and mosquitofish collected throughout the Everglades freshwater marshes in the 2005 dry and wet seasons. Higher wet season total Hg (THg) in soil, floc, and periphyto...
We analyzed Hg species distribution patterns among ecosystem compartments in the Everglades at the landscape level in order to explore the implications of Hg distribution for Hg bioaccumulation and to investigate major biogeochemical processes that are pertinent to the observed Hg distribution patterns. At an Everglade-wide scale, THg concentrations were significantly increased in the following...
this is an original study on the effect of a polyisobutylene – polydimethylsiloxane (pibpdms) block copolymer modifier used as an interfacial active agent on the dynamics behaviour of single newtonian drops suspended in a polyisobutylene (pib) newtonian matrix. the results were divided in two sections. the first part included the experiments carried out on the non-modified and 2% block cop...
Polymerized inorganic coagulants are increasingly being used in the water supply and wastewater treatment process, yet there is limited research on the development of polytitanium coagulants. The aim of this study is to synthesize polytitanium chloride (PTC) coagulants and investigate their coagulation behavior and floc characteristics for humic acid removal in comparison to polyaluminum chlori...
The bacterium strain No. 12 isolated from a phenol-adapted activated sludge as a floc-forming bacterium was found to produce an exoenzyme which could deflocculate its own floc. As the floc of this bacterium was not deflocculated with EDTA and various enzymes such as cellulase, protease, and lysozyme, this exoenzyme was isolated and purified. The optimal pH of the enzyme for deflocculation was 3...
OBJECTIVE To document the psychiatric status of a near complete sample of children and their families from one ethnic group held for an extended period of time in a remote immigration detention facility in Australia. METHOD Structured psychiatric interviews were administered by three same-language speaking psychologists by phone to assess the lifetime and current psychiatric disorders among 1...
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