نتایج جستجو برای: washing solvents

تعداد نتایج: 57722  

Journal: :Journal of food protection 2004
Paul B Allwood Timothy Jenkins Colleen Paulus Lars Johnson Craig W Hedberg

Inadequate hand washing by food workers is an important contributing factor to foodborne disease outbreaks in retail food establishments (RFEs). We conducted a survey of RFEs to investigate the effect of hand washing training, availability of hand washing facilities, and the ability of the person in charge (PIC) to describe hand washing according to the Minnesota Food Code (food code) on worker...

2011
Paolo Pietroni Barbara Torcianti A. Bruni Cristina Cristalli

2003
ROBERT L. HUBBARD Robert Farrar

Mere familiarity does not necessarily produce understanding. It is perfectly possible to know something (or someone!) all your life and still never really comprehend what you're dealing with. Like the Irishman in the old joke who received a brand-new toilet from his American cousins: He used the bowl for a foot washer, the lid for a breadboard, and the seat for a frame around the Pope's picture.

Journal: :Behavioral and Brain Sciences 2021

Abstract While Lee and Schwarz propose grounded procedures of separation as an explanation for physical cleansing in various domains (e.g., washing one's hands), we suggest that can also account behavioral aimed at consciences polishing reputations. We discuss this extension terms degrees cleansing, motivations, intentions behind social settings.

Journal: :medical journal of islamic republic of iran 0
yasser labbafinejad iran university of medical sciences, department of occupational medicine and occupational medicine research center (omrc), tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences) saber mohammadi department of occupational medicine, tehran university of medical sciences tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences) elham mirzamohammadi brain and spinal cord injury research center (basir), tehran university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences) mostafa ghaffari department of occupational medicine, tehran university of medical sciences, brain and spinalcord injury research center (basir), iran university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences) mirsaeed attarchi department of occupational medicine, tehran university of medical sciences tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences) azadeh amiri department of occupational medicine, brain and spinal cord injury research center (basir), tehran university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences)

background: organic solvents are known as a group of organic compounds, widely used in industry and to which many workers are exposed. neurotoxicity is one of the most important complications of the chronic exposure to the solvents and may causes neurobehavioral disorders in workers. we have studied the frequency of neurobehavioral disorders in workers exposed to organic solvents in one of the ...

Journal: :Ultrasonics sonochemistry 2016
Junhee Choi Tae-Hong Kim Ho-Young Kim Wonjung Kim

We present the results of experimental investigation of ultrasonic washing of textiles. The results demonstrate that cavitation bubbles oscillating in acoustic fields are capable of removing soils from textiles. Since the washing performance is mitigated in a large washing bath when using an ultrasonic transducer, we propose a novel washing scheme by combining the ultrasonic vibration with a co...

Journal: :international journal of health studies 0
omid aminian 1 1. center for research on occupational diseases, tehran university of medical sciences, tehran, iran. nazanin izadi 1 aghil esmaeili 2 2. dept. of medical biotechnology, school of advanced technologies in medicine, tehran university of medical sciences, tehran, iran. seyed mahmoud emami 1*

background: workers exposed to organic solvents are at risk of developing chronic central nervous system disorders. the aim of this cross-sectional study was to investigate the neurobehavioral effects of occupational exposure to organic solvents among pharmaceutical laboratory workers. methods: the study groups consisted of 78 laboratory workers as the exposed group and 98 office workers as une...

Journal: :Journal of food protection 2006
Laura R Green Carol A Selman Vincent Radke Danny Ripley James C Mack David W Reimann Tammi Stigger Michelle Motsinger Lisa Bushnell

Improvement of food worker hand washing practices is critical to the reduction of foodborne illness and is dependent upon a clear understanding of current hand washing practices. To that end, this study collected detailed observational data on food worker hand washing practices. Food workers (n = 321) were observed preparing food, and data were recorded on specific work activities for which han...

Journal: :iranian endodontic journal 0
kazem ashofteh yazdi department of endodontics, school of dentistry/dental research center, tehran university of medical sciences, tehran, iran. hasan razmi department of endodontics, school of dentistry/dental research center, tehran university of medical sciences, tehran, iran. sholeh ghabraei department of endodontics, school of dentistry/dental research center, tehran university of medical sciences, tehran, iran. noushin shokouhinejad department of endodontics, school of dentistry/dental research center, tehran university of medical sciences, and member of iranian center for endodontic research, tehran, iran. marzieh aligholi department of microbiology, school of medicine, tehran university of medical sciences, tehran, iran. saeed rahmani department of restorative dentistry, dental school, kerman university of medical sciences, kerman, iran

introduction: the aim of this study was to compare the effect of post space preparation with gates glidden drills or hand files on the sealing ability of gutta-percha or resilon obturation materials. materials and methods: one-hundred and four single-rooted human teeth were instrumented and divided into four experimental groups (n=21 each) and two groups of positive and negative control (n=10)....

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