cumulative exposure वाक्य
उदाहरण वाक्य
मोबाइल
- The common denominator, researchers speculate, may be cumulative exposure to estrogen, a natural hormone that protects the heart and bones but can drive some types of breast cancer.
- The image was created by compositing 11 individual ACIS-I exposures for a cumulative exposure time of over one million seconds, in the period 1999-2000, by a team led by Riccardo Giacconi.
- Despite the controversy surrounding public release of the Cumulative Exposure Project report, Massachusetts officials say they are benefiting from the detailed exposure data, which EPA has already shared with many states.
- Older nylon-shell parkas have a tendency to exhibit a change in color from the original sage green to a shade of magenta due to long-term cumulative exposure to ultraviolet light from the sun.
- The radiation dose to the operator during a conventional manual ablation procedure is relatively small, although there is cumulative exposure that becomes an important consideration for operators performing procedures on a daily basis.
- Lieberman asked the EPA to conduct a national statistical survey on the use of pesticides in schools to determine if there are risks " posed by pesticides to children through cumulative exposure ."
- Gilchrest says, however, that it takes years of cumulative exposure to the sun to cause visible wrinkles, and that there may be other biological mechanisms that explain why once-smooth skin becomes wrinkled with age.
- The law also sets new safety standards : For the first time the EPA must consider an individual's cumulative exposure to all pesticides, instead of on a pesticide by pesticide basis, when making decisions about their use.
- Statistically significant excesses in lung cancer deaths were present after cumulative exposures of less than 50 WLM . The size of the radon-related increase in lung cancer risk varied by more than an order of magnitude between the different studies.
- In Vermont, where the state has been monitoring concentrations of many toxic air emissions for five years, state officials said the EPA report remains basically accurate today, and the state has detected one elevated chemical, methylene chloride, that the Cumulative Exposure Project did not.
- In November 2009, the " Consumer Reports " magazine published an analysis of BPA content in some canned foods and beverages, where in specific cases the content of a single can of food could exceed the FDA " Cumulative Exposure Daily Intake " limit.
- In measurement of cumulative exposures rates of populations within a 300-mile radius of the test site, of the period 1951 to 1959, the Upshot Knothole tests was found to have produced 50 % ( rounded figure ) was due to the test-shot " Harry ".
- But data on children is incomplete, and Congress unanimously passed a law in 1996, the Food Quality Protection Act, telling the EPA to compensate by applying a margin of safety 10 times larger than the limits it previously set on cumulative exposure to traces of the chemicals.
- The Environmental Protection Agency found that virtually every American inhaled slightly unsafe levels of at least eight chemicals, and 20 million faced at least a 1-in-10, 000 lifetime risk of getting cancer as a result in 1990, the most recent data available for the agency's Cumulative Exposure Project.
- But any soldier in combat, rested or not, can suddenly fall victim to common battlefield conditions that the U . S . Army manual on battle fatigue says can trigger psychological problems : sleep loss, dehydration, overwork, noise, vibration, blast, fumes, poor hygiene and cumulative exposure to danger and death.
- Much of the turmoil centers on the Food Quality Protection Act's new requirement that the EPA compensate for incomplete data about the effects of some pesticides on children by applying an additional margin of safety of 10 times the limits it now sets on cumulative exposure to traces of the chemicals.
- Lynch said that if a woman known to carry one defective BRCA1 gene was subjected to repeated mammograms, say, starting at the age of 25, the X-rays would help detect an early, more curable breast cancer, but at the same time the cumulative exposure to radiation might increase her risk of developing a cancer.
- In the mining industry, the exposure is traditionally measured in " working level " ( WL ), and the cumulative exposure in " working level month " ( WLM ); 1 WL equals any combination of short-lived 222 Rn daughters ( 218 Po, 214 Pb, 214 Bi, and 214 Po ) in 1 liter of air that releases 1.3 ?10 5 MeV of potential alpha energy;
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