natural radiation การใช้

• Outside the shooting range there was no radiation apart from natural radiation,
• Moreover, earth's natural radiation can easily mask a distant radiation source's signal.
• He invented the Oeschger counter, a contraption that measures tiny amounts of natural radiation.
• The bulk is from natural radiation on earth.
• When a counter detects higher than natural radiation, the place is marked with a little yellow flag.
• He also invented the " Oeschger counter, " a device for measuring small quantities of natural radiation.
• At present, radiation caused by cosmic rays is one of the largest sources of natural radiation exposure.
• ESR dating measures the amount of unpaired electrons in crystalline structures that were previously exposed to natural radiation.
• Passive sensors detect natural radiation that is emitted or reflected by the object or surrounding area being observed.
• Immediately, NEST flew in a support aircraft from Las Vegas and began searching for non-natural radiation, but found nothing.
• In each case, he said, the culprit was something harmless such as natural radiation emitted by pottery or ceramic tiles.
• The probe worked for nearly an hour, transmitting data about the planet's chemical composition, winds, clouds and natural radiation environment.
• Scientists were aware that workers in uranium mines often developed lung cancer as a result of exposure to this natural radiation.
• Because natural radiation nowhere reaches the barest fraction of this level, Battista believes that Deinococcus evolved to withstand conditions of extreme dryness.
• The'Galaxy Being', as it is dubbed, wreaks inadvertent havoc, killing Eddie and injuring several other people by burning them with natural radiation.
• The Galaxy Being inadvertently kills several people with its natural radiation, and is met with violence and hysteria from the people of Earth.
• According to a press release by the government agency, radiation levels briefly increased to 46 microroentgens an hour which is twice the natural radiation level.
• A radioactivity check revealed that the container was emitting 1, 800 microroentgen per hour, more than 50 times above natural radiation levels, the report said.
• While boron included in the stone produces the Hope's blue color, the green tone of the Dresden is the result of exposure to natural radiation.
• For comparison, the average'background'dose of natural radiation received by a person per day, based on 2000 UNSCEAR estimate, makes BRET 6.6 ?Sv ( 660 ?rem ).