| 单词 | cesium 137 |
| 例句 | The presence of these isotopes miles from the site of the accident, he said, suggested heavier, more dangerous contaminants such as plutonium, cesium 137 or radioactive iodine likely fell into the sea. Russia Identifies 4 Radioactive Isotopes From Nuclear Accident 2019-08-26T04:00:00Z Independent newspaper Novaya Gazeta reported traces of cesium 137 were detected in the emergency room area an hour after the patients were brought in, forcing the area to be decontaminated. Russia nuclear missile explosion resulted in radioactive isotopes found in test samples after accident 2019-08-26T04:00:00Z Evacuations continued for months as Japan struggled to find housing for a large population exposed to radioactive iodine 131, cesium 134 and cesium 137. Fukushima Residents Return Despite Radiation 2019-01-16T05:00:00Z There are no known natural sources of cesium 137. Nuclear Blasts May Prove Best Marker of Humanity's Geologic Record [In Photos] 2015-02-10T05:00:00Z It also noted the theft of cesium 137 in Estonia twice in the mid-1990s. Dangerous Radioactive Substance Is Stolen in Mexico 2013-12-04T17:05:13Z Greenpeace, the conservation group, issued a statement saying the presence of these isotopes suggested cesium 137 was also released. Russia Identifies 4 Radioactive Isotopes From Nuclear Accident 2019-08-26T04:00:00Z The vitrification project calls for the waste to be analyzed chemically and radiologically before it enters a pretreatment facility to be separated into various constituents such as cesium 137, strontium 90 and metals. Hanford Nuclear Waste Cleanup Plant May Be Too Dangerous 2013-05-09T12:15:03.177Z Young tuna absorbed cesium 134 and cesium 137 isotopes while swimming in the accident-afflicted area and likely by eating contaminated plankton and small fish. A Silver (Actually Cesium) Lining: Traces of Fukushima Disaster Fallout Help Scientists Track Tuna 2013-03-11T11:45:00.387Z There was about five times the background amount of cesium 137 in the bluefin tuna they tested, but that is still a tiny quantity, Madigan said: 5 becquerels instead of 1 becquerel. Fukushima Radiation Seen in Tuna Off California Coast 2012-05-29T18:45:04.603Z In 1987, scavengers found another isotope often used in medicine and industry, cesium 137, from an abandoned radiation treatment machine in the central Brazil city of Goiania. Dangerous Radioactive Substance Is Stolen in Mexico 2013-12-04T17:05:13Z Subsequent explosions and fire spewed 15,000 terabecquerels of radioactive cesium 137 alone, enough so that officials created an "exclusion zone" of 20 kilometers around the plant that persists today. How Safe Are U.S. Nuclear Reactors? Lessons from Fukushima 2012-03-09T14:15:00.217Z Japanese government and utility industry scientists estimated this month that 3,500 terabecquerels of cesium 137 was released directly into the sea from March 11, the date of the earthquake and tsunami, to late May. Green Blog: Fukushima's Contamination Produces Some Surprises at Sea 2011-09-28T21:11:06Z With its shorter half-life, cesium 134 levels fall faster than those of cesium 137. A Silver (Actually Cesium) Lining: Traces of Fukushima Disaster Fallout Help Scientists Track Tuna 2013-03-11T11:45:00.387Z It, too, is relatively basic, but it showed a patch of bright yellow right over her village of Shidamyo, an indicator of high levels of the radioactive isotopes cesium 134 and cesium 137. Doubting Assurances, Japanese Find Radioactivity on Their Own 2011-08-01T04:00:13Z Other measures are being taken to clean up the remaining radioactive matter, mainly cesium 137, which can last for generations. Life in Limbo for Japanese Near Nuclear Plant 2011-05-02T01:08:16Z The breached reactor would then spew "16 percent of the core inventory"—"inventory" meaning cesium 137, along with 68 other radioactive isotopes in the hot nuclear fuel. How Safe Are U.S. Nuclear Reactors? Lessons from Fukushima 2012-03-09T14:15:00.217Z Other radioactive material, such as cesium 137 with a half-life of roughly 30 years, dissolves like salt in water, traveling into groundwater supplies and even . How to Tear Down a Nuclear Power Plant [Slide Show] 2011-04-29T10:15:00.247Z The entire Pacific Ocean basin still holds slightly elevated levels of cesium 137 from the nuclear weapons testing that peaked in the 1960s, but the Fukushima power plant is the only source of cesium 134. A Silver (Actually Cesium) Lining: Traces of Fukushima Disaster Fallout Help Scientists Track Tuna 2013-03-11T11:45:00.387Z The level of 5,000 becquerels per kilogram was chosen because rice grown in such soil would be expected to end up with about 500 becquerels of cesium 137 in the rice itself. Japan Tells Nuclear Plants to Have More Backup Generators 2011-04-09T18:04:50Z The samples also showed levels of cesium 137 to be 1.1 million times the legal limit. Japan Nuclear Plant Operator Prepares to Inject Nitrogen 2011-04-06T09:22:53Z The sample also showed levels of cesium 137 to be 1.1 million times the legal limit, according to public broadcaster NHK. Plant Operator Measures Higher Radiation in Sea 2011-04-05T09:57:15Z As for isotopes like cesium 137, however, its decay half-life is around 30 years. Half-Life and Death: Radioactive Drinking Water Scare in Japan Subsides, but Questions Remain 2011-04-01T22:45:05.727Z Still, scientists say, cesium 137 poses the greater long-term danger to the marine food chain. Marine Life Faces Threat From Runoff 2011-03-29T00:45:54Z It is cesium 137 that still contaminates much land in Ukraine around the Chernobyl reactor, which suffered a meltdown in 1986. In Stricken Fuel-Cooling Pools, a Danger for the Longer Term 2011-03-15T02:10:09Z Radioactive isotopes include strontium 90 and cesium 137. Russia fires cause "brown cloud," may hit Arctic 2010-08-10T15:14:00Z |
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