نتایج جستجو برای: total coliform bacteria tcb
تعداد نتایج: 966327 فیلتر نتایج به سال:
BACKGROUND Incidence of jaundice is high in newborn infants. Since well appearing newborns are rapidly and routinely discharged from hospital, performing an inexpensive noninvasive pre-discharge screening test for evaluation of jaundice seems to be necessary. OBJECTIVES This study was conducted to compare the accuracy of cutaneous v/s serum bilirubin measurements in this regard. PATIENTS AN...
The incidence pattern of cadmium tolerance and antibiotics resistance by Escherichia coli was examined periodically from the samples of water, sludge and intestine of fish raised in waste stabilization ponds in a sewage treatment plant. Samples of water and sludge were collected from all the selected ponds and were monitored for total counts of fecal coliform (FC), total coliform (TC) and the p...
BACKGROUND In the sub-urban areas of Kampala city, springs are a major source of water for domestic use. Though spring water is considered to be aesthetically acceptable for domestic use, presence of poorly designed pit latrines, poor solid waste management as well as poor and inadequate spring protection, may lead to contamination of spring water with pathogenic bacteria. OBJECTIVES The obje...
Abstract Background and objective: Bioindicators of drinking water are always influenced by physical and chemical factors such as turbidity and chlorine. Considering the assessment of drinking water quality is based on residual chlorine, E.coli, heterotrophic bacteria and turbidity. We aimed to evaluate the effect of pH, chlorine residual and turbidity on the microbial ...
BACKGROUND For evaluation of jaundiced neonates, serum bilirubin (SB) or transcutaneous bilirubinometry (TcB) is used. Few data are available on the quantitative reduction of blood sampling by using TcB. METHODS We conducted a randomized controlled trial in hospitalized jaundiced neonates ≥32 weeks' gestational age. In the intervention group, TcB was used and in the control group the decision...
The most common used methods for water disinfection were chemicals like chlorine, ozonation, ultraviolet radiation, membrane processes, etc. Water disinfection using irradiation techniques is new in water treatment industry which has been developed recently. The aim of the present study was to investigate radio frequency (RF) efficiency for the inactivation of total coliform (TC), fecal colifor...
Incubation of phenobarbital-induced rat liver microsomes with 2,2',5,5'-tetrachlorobiphenyl (TCB) yielded about 30% of the substrate as 3-hydroxy-TCB, 3,4-dihydroxy-TCB, 3,3'-dihydroxy-TCB (tentative identification), and 3,4-dihydro-3,4-dihydroxy-TCB in relative amounts of about 1:1:0.05:0.05. Under identical conditions, 2,2',5,5'-tetrachlorobiphenyl 3,4-oxide (TCBO) yielded about 45% of the su...
Bacteriological examinations were carried on four types of water samples which collected from tap water, river Nile ground and bottled at different cities in Dakahlia Damietta Governorates, Egypt during 2017/2018 order to determine the level total count bacterial isolates present our . These groups described as coliform bacteria, fecal streptococci, according counts methods. Generally,the highe...
background: today, treated wastewater recycling and reuse has been considered for agricultural irrigation. this can potentially cause health and environmental hazards. since accessing the engelberg index for sewage is a necessity, this study was undertaken on integrated stabilization ponds (isp) of isfahan east wastewater treatment plant, isfahan, iran. methods: this cross-section study was con...
A device was developed for direct heating of water by solar radiation in a flow-through system of copper pipes. An adjustable thermostat valve prevents water below the chosen temperature from being withdrawn. The results show that it is possible to eliminate coliform and thermotolerant coliform bacteria from naturally contaminated river water by heating to temperatures of 65 degrees C or above....
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