搜索结果: 1-15 共查到“医学 contamination”相关记录40条 . 查询时间(0.056 秒)
Study reveals contamination of air and environment near patients with COVID-19（图）
contamination air environment near patients COVID-19
2020/8/14
A study by University of Nebraska Medical Center researchers provides new evidence of infectious SARS-CoV-2 throughout the environment and in air samples collected in COVID-19 patient care areas. SARS...
Contamination of Sachet Water in Nigeria:Assessment and Health Impact
Pipe borne water Vendors Contaminants Pure water
2015/7/22
Adequate supply of fresh and clean drinking water is a basic need for all human beings. Water consumers are frequently unaware of the potential health risks associated with exposure to water borne con...
Contamination of a Dental Unit Water Line System by Legionella Pneumophila in the Mashhad School of Dentistry in 2009
Legionella Dental unit water line system Contamination Iran
2015/9/25
Background: Dental unit waterline system is considered potential source for contamination with Legionella species. The aim of this study was to determine if contamination of a dental unit water line s...
Dimensions of water contamination in the subprovinces of Adana province, Turkey
Water pollution heavy metals pesticides contamination
2011/3/22
To determine the dimension of the contamination of the drinking and utility water in the touristic Bahçe district of the Karataş subprovince of Adana province, and to share our views on ho...
Parasite egg contamination of hands in a suburban area of Hanoi, Vietnam
Intestinal parasite Hand Nail Contamination
2010/12/10
Contamination of hands by soil-transmitted helminth eggs was investigated in a small village located in the suburbs of Hanoi, Vietnam. Thirty-three households, consisting of one to eight members, wer...
Effect of sodium hypochlorite contamination on microhardness of dental core build-up materials
Composite Degradation Microhardness
2010/11/29
This study aimed to determine the influence of sodium hypochlorite (NaOCl) contamination on the microhardness of build-up composites. Fifty-two samples, from each of three build-up materials (LuxaCore...
The correlation between contamination of soil with Ascaris sp. eggs in school yards and ascariasis among primary school children in Mai Trung Commune, Northern Vietnam
intestinal helminth ascariasis Ascaris egg
2010/12/10
Four hundred and six soil samples collected from five schoolyards in Mai Trung Commune, Bac Giang Province, Northern Vietnam, from 2005 to 2007 were examined for helminth eggs using a sucrose centrifu...
CONTAMINATION WITH HELMINTH EGGS OF VARIOUS PROCESSING STAGES OF THE SEWAGE TREATMENT PLANT
Sewage treatment plant Helminthiases
2010/1/5
Because of the establishment of a sewage treatment plant in the city of Isfahan in recent years, a study was undertaken to investigate the effect of this system in reducing the high prevalence of helm...
Blood Culture Contamination In Children’s Medical Center Of Tehran From April To July 2004
Blood cultre pseudomonas sp
2010/1/5
Background: Blood culture is the criterion standard for identifying children with bacteremia. However, elevated false-positive rates are common and are associated with substantial health care costs. T...
INVESTIGATION ON THE AFLATOXIN CONTAMINATION OF MILK IN TEHRAN AREA
INVESTIGATION AFLATOXIN CONTAMINATION MILK TEHRAN AREA
2009/12/30
In this survey Aflatoxin contamination of fifty two samples of raw milk and nine samples of commercial milk were determined by T.L.C. Method. The results showed that 92.31% of the samples of raw milk ...
INVESTIGATION ON THE AFLATOXIN CONTAMINATION OF THE IRANIAN WHITE CHEESE
Iranian whife cheese aflatoxin B1
2009/12/28
In this investigation Aflatoxin contamination of eighty different Iranian white cheeses were determined by T.L.C. method. The result of this study showed that, 97.5% of the samples contained Aflatoxin...
Effect of saliva contamination prior to curing on microleakage of pit and fissure sealants,an in vitro study
Microleakage Pit and fissure sealant Light curing Saliva contamination
2009/12/18
Background and Aim: Pit and fissure sealant therapy, is one of the most effective methods, in prevention of occlusal caries. Saliva contamination before curing the resin can increase the risk of failu...
POLYCYCLIC AROMATIC HYDROCARBON CONTAMINATION LEVELS IN COLLECTED SAMPLES FROM VICINITY OF A HIGHWAY
Polycyclic aromatic hydrocarbons dust vehicle exhausts highway
2009/12/14
Tehran as the biggest city of Iran with a population of more than 10 millions has potentially high pollutant exposures of gas oil and gasoline combustion from vehicles that are commuting in the highwa...
Bacterial, fungal and yeast contamination in six brands of irreversible hydrocolloid impression materials
Dental materials Microbiology Infection control
2009/10/19
This study assessed the level of contamination of six commercially available irreversible hydrocolloids (two containing chlorhexidine) and identified the contamination present in the materials. Petri ...
Atmosphere contamination following repainting of a human hyperbaric chamber complex
scrubber hyperbaric chamber Atmosphere contamination breathing gas
2009/7/9
The Naval Medical Research Institute currently conducts hyperbaric research in a Man-Rated Chamber Complex (MRCC) originally installed in 1977. Significant engineering alterations to the MRCC and rust...