نتایج جستجو برای: ingestion dose and risk assessment
تعداد نتایج: 17100636 فیلتر نتایج به سال:
This study investigates the impact of class attendance and the use of optional formative assessment tasks on student performance. We hypothesise that a positive relationship exists between students’ attendance rates and their success on assessment tasks. We also hypothesise a positive relationship between the extent to which students use formative assessment tasks (in the form of on-line multip...
this study attempted to explore if teaching english collocations through two different modes of awareness-raising and input flooding has any possible differential effect on immediate retention as well as retention in a delayed assessment. it also compared the possible differential effect of teaching english collocations implicitly and explicitly on actively using the items in writing. m...
Smart grids will make extensive use of information and communication technology (ICT) to enable the integration of renewable energy sources. Consequently, future power grids come with a much larger cyber-attack surface, which makes cybersecurity risk assessment a major concern. Due to their cyber-physical nature, risk assessment in smart grids is a challenging task. Moreover, the complex mix of...
due to extraordinary large amount of information and daily sharp increasing claimant for ui benefits and because of serious constraint of financial barriers, the importance of handling fraud detection in order to discover, control and predict fraudulent claims is inevitable. we use the most appropriate data mining methodology, methods, techniques and tools to extract knowledge or insights from ...
OBJECTIVES The purpose of this study was to assess the risk of ingestion exposure of lead by particle sizes of crumb rubber in artificial turf filling material with consideration of bioavailability. METHODS This study estimated the ingestion exposure by particle sizes (more than 250 um or less than 250 um) focusing on recyclable ethylene propylene diene monomer crumb rubber being used as arti...
purpose a metabolic abnormality such as obesity is a major obstacle in the maintenance of the human health system and causes various chronic diseases including type 2 diabetes, hypertension, cardiovascular diseases, as well as various cancers. this study was designed to summarize the recent scientific knowledge regarding the anti-obesity role of curcumin (diferuloylmethane), which is isolated f...
background: turkey, especially the northern part of it, was one of the countries which were contaminated by the chernobyl accident. rize is a city located in the northeastern district of turkey which was heavily influenced by the chernobyl nuclear accident. materials and methods: in this study, the activity concentrations of natural (226ra, 232th, 40k) and artificial (137cs) were measurements ...
The effects of low-dose -irradiation on the crustacean Daphnia magna have been analyzed. Given that the LD50 for this species is approximately 100Gy, one-day-old daphnids were exposed to 10, 100 and 1000mGy of acute -rays. The survival of irradiated animals was evaluated over the maximum lifespan of 90 days. Increased mortality among irradiated at doses of 100 and 1000mGy daphnids was found. Ou...
in the process of investment decision making, next to financial indicators many other aspects of investment projects are increasingly often considered. this leads to the multi-criteria evaluation of a project. the advantage of multi-criteria methods is the ability to take into account all (not only financial) aspects of the attractiveness of an investment project. the selection of criteria of p...
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