Sentence examples for manmade sources from inspiring English sources

The commission says that the average American is exposed to about 0.62 rem of radiation each year from natural and manmade sources.

The average person is subjected to radiation from natural and manmade sources at an annual level of 360 millirem (a measure of energy absorbed by the body), according to government agencies like the E.P.A. and the Nuclear Regulatory Commission.

They say these emissions are insignificant compared with so-called background radiation that is constantly raining down from outer space or seeping up from the earth's crust, not to mention emanating from manmade sources like X-rays, luminous watches and smoke detectors.

Guidelines from the International Commission on Radiation Protection say that actions to reduce exposure to radiation, like evacuation or cleanup, may not be required until doses equal 10 rem a year, an amount that is about 30 times what the average American receives from natural and manmade sources of radiation, and double what power plant workers can legally receive.

In addition, manmade sources include industrial discharge and deposition from burning of fossil fuel (Okeola et al. 2010).

Achieving that goal, equivalent to removing roughly half the amount of CO2 that is now emitted from manmade sources, would require a gargantuan global effort.

Donato, J. Boone Kauffman, D. Murdiyarso, S. Kurnianto, M. Stidham, and M. Kanninen The Gist: More carbon is stored in the soils of mangrove forests than was previously believed, meaning that the destruction of mangroves is an important — and relatively unrecognized — manmade source of CO2 to the atmosphere.

Medical radiation from x-rays and nuclear medicine is the largest manmade source of radiation exposure in Western countries, accounting for a mean effective dose of 3.0 mSv per capita per year, corresponding to a cardiological risk of 150 chest x-rays [ 10, 11].

The concentrations of Pb and Cd in marine macroalgae have a special concern because of their manmade origin, non-point source and high toxicity (Strezov and Nonova 2003; Duan et al. 2014).

Furthermore, limiting manmade water sources may facilitate bison grazing patterns that more closely approximate historical bison use.

This study was conducted at Selameko manmade reservoir, south-west of Debre tabor town, Ethiopia.