Sentences with phrase «observed at exposure»
The effects are observed at exposure levels deemed safe by the US Environmental Protection Agency (EPA).
https://www.scientificamerican.com/ Not exact matches
One way, I believe, to address the problem of under - reporting and increase the chances a concussion will be identified early on the sports sideline may be to rely less on athletes themselves to remove themselves from games or practices by reporting concussion symptoms (which the most recent study shows occurs at a shockingly low rate, [9] or on game officials and sideline observers to observe signs of concussion and call for a concussion assessment, but to employ technology to increase the chances that a concussion will be identified by employing impact sensors designed to monitor head impact exposure in terms of the force of hits (both linear and rotational), number, location, and cumulative impact, in real time at all levels of football, and in other helmeted and non-helmeted contact and collision sports, where practical, to help identify high - risk impacts and alert medical personnel on the sideline so they can consider performing a concussion assessment.
This method assumes that the exposures and outcome measures are missing completely at random given the observed variables and the imputed covariates.
Although the restriction of analysis to exclusive feeding groups resulted in the omission from analysis of more than half of the studies (10 of 17, 14 388 of 17 498 subjects), the effects observed were homogenous and based largely on contemporaneous ascertainment of exposure (either from birth records at the time of feeding or by maternal recall within 6 y after birth).
Interestingly, when Dr. Laviolette's team looked at dopamine signaling inside another brain region also involved in opiate related memory procession, and located closer to the surface of the brain, the mPFC, they found that this signaling was also switched by opiate exposure, but opposite to what was observed in the BLA.
Based on observed cancer rates at high exposures, studies have estimated the increased cancer risk from lifetime exposure at the 1 ppm level to be between 0.7 and 2.5 percent, according to the U.S. Environmental Protection Agency.
Sponsors will be from the ocean observing field: scientific agencies, governmental organizations, private sector companies, and civil society actors looking to maximize exposure at the conference.
This stream will include major players in the ocean observing field from scientific agencies, governmental organizations, private sector companies, civil society actors all looking to maximize exposure at the conference.
Looking at tumor samples from people verified to have lived in the areas around TMI at the time of the accident, remained in the area, and subsequently developed thyroid cancer, researchers observed a shift in cases to cancer mutations consistent with radiation exposure from those consistent with random causes.
In addition, the American Academy of Pediatrics observed up to a 30 percent reduction in the incidence of type 1 diabetes in infants who avoid exposure to cow's milk protein for at least the first three months of their lives, the PCRM states.
While an aggressive exposure in precious metals most likely will require a reversal of long - term interest rate trends and some amount of fresh economic weakness, our focus is not so much on the next Market Climate we may observe next but on the Climate we observe at present.
It emphasizes foreign equity exposure, observing that, at 57 per cent domestic exposure, Canadians are behind only Australians in having the worst level of home country bias in their portfolios — despite the fact Canada makes up only about 3.5 per cent of global stock market capitalization.
The observed loss increase is caused primarily by increasing exposure and value of capital at risk.
Dr. Xiaolan Wang of Meteorological Service of Canada wrote, «a trend - type change in climate data series should only be adjusted if there is sufficient evidence showing that it is related to a change at the observing station, such as a change in the exposure or location of the station, or in its instrumentation or observing procedures.»
In R.v. Skogman [1984] S.C.J. no. 32 (S.C.C.) Estey J., writing for the majority, observed at p. 6: The purpose of a preliminary hearing is to protect the accused from a needless, and indeed, improper exposure to public trial where the enforcement agency is not in possession of evidence to warrant the continuation of the process.
Yet what the findings actually revealed was a «dual - risk» phenomenon.17 Although the strongest predictor of insecurity at 15 months of age was, as expected, insensitive mothering (observed at ages 6 and 15 months), this effect was amplified if any one of three distinct child - care conditions characterized the child's experience across the first 15 months of life: (a) averaging more than 10 hours per week in any type of care, irrespective of quality; (b) enrolment in more than a single child - care arrangement; and (c) exposure to low quality care.
Dr Peter James, a research assosciate at Harvard Chan School or Public Health in the US, said: «We were suprised to observe such strong associations between increased exposure to greenness and lower mortality rates.