Sentences with phrase «from reactor accidents»
Finally, the doses received from reactor accidents can fall into the range of occupational exposures, where excess cancers have been found with epidemiological data, when huge worker populations are merged, as I wrote in a previous message.
https://dotearth.blogs.nytimes.com/ Not exact matches
These include adequate uranium supply (probably necessitating immense uranium strip mines in Tennessee), almost inconceivable reactor and waste - transport accidents, low - level radiation effects from normal plant operations, and the burden of guarding both radioactive waste and outdated but radioactive nuclear plants for thousands of years.
During an accident, it can be critical because it protects the generators and pumps that keep the reactor from overheating.
The inspector general's office, they assert, has shied away from challenging the NRC at exactly the wrong time, with many of the country's 104 nuclear power plants aging beyond their 40 - year design life and with reactor meltdowns at Fukushima rewriting the definition of a catastrophic accident.
This raised the original rating from level 5 and puts the Fukushima Daiichi disaster technically in the same category as Chernobyl, although the quantity of discharged radioactive materials in Japan so far is about 10 percent of what was released by the Chernobyl reactor explosion, considered history's worst nuclear accident.
The result is that Canadians — and the rest of the world — have been denied the chance to hear from some of the most authoritative scientific voices on important issues ranging from the Arctic ozone hole to radiation after the Fukushima Daiichi reactor accident in Japan, and even the effect of aquaculture on wild salmon.
But the obvious implications from the Fukushima accident point to the need to raise the safety bar at U.S. reactors, they said.
Typically, pressurized water reactors» containment systems consist of a concrete dome reinforced with steel to prevent radioactive fumes from escaping during a nuclear accident.
And Western nuclear firms, despite their hunger for new markets, have shied away from upgrading the reactors, for fear of being held liable for any subsequent accidents.
SMR - 160, a nuclear reactor, does not rely on any pumps or motors to remove heat from the nuclear fuel during any anticipated transients or postulated accidents.
Response: SMR - 160 is a small modular pressurized water nuclear reactor power plant that does not rely on any pumps or motors to remove heat from the nuclear fuel, for all normal and accident scenarios.
After his retirement from Tohoku University in 2012, he moved to Maui to complete a 60 cm telescope moving the project from Tohoku University's Iitate observatory, which has been contaminated with radiation by the accident of nuclear reactor in March 2011, to Haleakala summit.
Pierre Oneid, Holtec International's senior vice president and chief nuclear officer explains that small reactor designs will incorporate safety lessons learned from the Three Mile Island, Chernobyl and Fukushima nuclear accidents.
The Three Mile Island accident occurred on March 28, 1979, in reactor number 2 of Three Mile Island Nuclear Generating Station (TMI - 2) in Dauphin County Stoogemojis From BareTree Media, Inc. — STOOGEMOJIS is the official emoji - sticker app for The Three Stooges.
If plant cancellations were from the accidents, as is frequently claimed, then why did the backlash against nuclear not occur after the far more dangerous 1957 Windscale fire, which shot iodine - 131 across the English countryside, or after the 1966 Fermi - 1 sodium fast reactor fire?
A reactor accident at Diablo Canyon would immediately put tens, if not hundreds of thousands, of people in Central California at risk from radiation exposure.
The reactor's location also put it at risk from seismic activity, with the potential to spark an accident like that at Japan's Fukushima Daiichi plant in 2011.
Before the 2011 accident, in which a tidal wave caused three of the six nuclear reactors at the Fukushima Daiichi plant to go into meltdown, Japan only got 62 percent of its electricity from fossil fuels.
I support R&D for fast and thermal neutron molten salt breeder reactors because I believe they can be proven safe from high energy criticality accidents from basic principles of physics.