نتایج جستجو برای: term mixed contamination

تعداد نتایج: 839515  

2017
Jason Murray Tendai Muruko Chris I R Gill M Patricia Kearney David Farren Michael G Scott Geoff McMullan Nigel G Ternan

Healthcare acquired infections (HAI) pose a great threat in hospital settings and environmental contamination can be attributed to the spread of these. De-contamination and, significantly, prevention of re-contamination of the environment could help in preventing/reducing this threat. Goldshield (GS5) is a novel organosilane biocide marketed as a single application product with residual biocida...

E, Bazrafshan, F, Amirabadi, F, Forghani, J, Dehghan,

Background & Aim: Due to a constant contact of dentists and patients with water and aerosols generated from the dental units, the quality of dental unit waters is very important. This study aimed to evaluate bacterial contamination of dental unit water lines in Zahedan in 2016-2017. Methods: In this descriptive analytical study, 2304 water samples from four parts of unit including cup filler, ...

Journal: :bulletin of the iranian mathematical society 2011
c. j. zhao

Journal: :journal of food quality and hazards control 0
m.m. soltan dallal [email protected] m. shojaei division of food microbiology, department of pathobiology, school of public health, tehran university of medical sciences, tehran, iran m.k. sharifi yazdi zoonosis research center, tehran university of medical sciences, tehran, iran s. vahedi department of anesthesia, school of allied medicine, tehran university of medical sciences, tehran, iran

background: the criteria for the quality control of iranian fresh produce are the total microbial count, enterococcal count and the detection of escherichia coli. the aim of this study was to assess microbial contamination of fresh vegetable and salad samples consumed in tehran, iran. methods: from may to october 2013, freshly vegetable (n=100) and salads (n=100) samples were randomly collected...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1387

this study was designed to investigate the impacts of teachers self-disclosure on students foreign language classroom anxiety, attitude to english language learning and their achievement scores at the end of the term. there were 48 female learners of intermediate level. they were not randomly selected. there were one experimental group with 21 students and one control group with 27 students.the...

Journal: :Environmental toxicology and chemistry 2002
Audrey Jumel Marie-Agnès Coutellec Jean-Pierre Cravedi Laurent Lagadic

The influence of nonylphenol polyethoxylates (NPEO), formulated as the adjuvant Agral 90, on the effects of the diphenyl ether herbicide fomesafen in the pond snail Lymnaea stagnalis was investigated, with particular attention to the reproductive performances and underlying energetic and hormonal processes. Separate short-term exposures to low concentrations of fomesafen and fomesafen-Agral mix...

Journal: :Clinical infectious diseases : an official publication of the Infectious Diseases Society of America 2015
Loren G Miller Samantha J Eells Michael Z David Nancy Ortiz Alexis R Taylor Neha Kumar Denise Cruz Susan Boyle-Vavra Robert S Daum

BACKGROUND Many patients suffer from recurrent Staphylococcus aureus infections, but there are few data examining recurrence predictors. METHODS We followed adults and children after treatment for S. aureus skin infections and their household contacts in Los Angeles and Chicago. We surveyed subjects for S. aureus body colonization, household fomite contamination, and behavioral and clinical f...

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