| 单词 | americium |
| 例句 | There are already two different drug injections that can be used to treat people who have been exposed to radioactive plutonium, americium or curium. Dirty-bomb antidote: Drug trial begins in US 2023-05-16T04:00:00Z Spent fuel rods contain a variety of products, consisting of unstable nuclei ranging in atomic number from 25 to 60, some transuranium elements, including plutonium and americium, and unreacted uranium isotopes. Chemistry 2019-02-14T00:00:00Z The most stable isotopes of americium and curium decay faster than uranium’s most stable isotopes. Readers Respond to the December 2021 Issue 2022-04-27T04:00:00Z Two of nuclear waste’s most problematic ingredients are metals called americium and curium; each has particularly long-lived forms that decay slowly over thousands of years. Soil Microbe Could Clean Up Nuclear Waste 2021-12-28T05:00:00Z The waste includes isotopes of iodine, strontium, americium, plutonium, uranium and other unstable elements, many of which are toxic as well as radioactive. Nuclear waste will be classified as safer under a controversial Trump administration change 2019-06-05T04:00:00Z Inhalation of the particles, which included uranium, thorium, plutonium and americium, can increase the risk of cancer. Study: Traces of radioactive contamination found in homes of six Hanford workers 2018-06-14T04:00:00Z Monitors at the federal Hanford Nuclear site found plutonium and americium contamination up to 10 miles from a troubled demolition project that was suspended in December due to concerns about the spread of radioactive particles. WA state monitors found radioactive contamination from troubled Hanford-demolition project 2018-01-25T05:00:00Z The ever-shifting suite of technologies used at the site produced uniquely toxic brews that include radioactive caesium, strontium, americium and residual plutonium; salts; heavy metals; and myriad industrial chemicals. How the United States plans to trap its biggest stash of nuclear-weapons waste in glass 2017-10-09T04:00:00Z More recently, Cotruvo and his colleagues found in the lab that lanmodulin binds tightly and readily to americium and curium—and prefers them to many of its regular dance partners. Soil Microbe Could Clean Up Nuclear Waste 2021-12-28T05:00:00Z The team’s proposed name follows suit with other atomic elements like polonium named after Poland, francium after France, and americium after the United States. Japanese Scientists Name Atomic Element 113 'Nihonium' 2016-06-09T04:00:00Z The test, like others in resource-strapped Belarus, was insufficiently sophisticated to test for heavier radioactive isotopes associated with nuclear fallout, including americium and variants of plutonium. AP Exclusive: Test finds Chernobyl residue in Belarus milk 2016-04-25T04:00:00Z Power would come from a tiny radioactive source like americium, the element in smoke detectors. A Visionary Project Aims for Alpha Centauri, a Star 4.37 Light-Years Away 2016-04-12T04:00:00Z Nuclear Watch New Mexico contends soil samples taken from the storage compound known as Area G show detectable amounts of plutonium and americium. New Mexico rolls out cleanup proposal for federal lab 2016-03-30T04:00:00Z Alternatively, Cotruvo suggests, captured americium and curium could be recycled back into nuclear fuel. Soil Microbe Could Clean Up Nuclear Waste 2021-12-28T05:00:00Z Air monitor alarms that are supposed to alert workers didn't detect the americium. A new report says a 2014 radiation leak at the Idaho National Laboratory was caused by compromised equipment and faulty air monitors 2016-03-29T04:00:00Z Air monitor alarms that are supposed to alert workers didn’t detect the americium. Report details cause of 2014 radiation leak at national lab 2016-03-29T04:00:00Z Over the course of 30 years, his inventions contributed to the discovery of americium, curium, berkelium, californium, einsteinium, fermium, mendelevium, nobelium, lawrencium, rutherfordium, dubnium and seaborgium. Godzillium vs. Trumpium: Some Suggestions to Add to the Periodic Table 2016-01-14T05:00:00Z It is evident in entries like francium, germanium, scandium, polonium, europium, californium, berkelium and americium. In a First, Element Will Be Named by Researchers in Japan 2016-01-04T05:00:00Z One of the main concerns has been that the remaining plutonium was being allowed to degenerate into other radioactive components like americium, which emits gamma rays that travel farther and are hard to block. U.S. Will Clean Area in Spain Where Hydrogen Bombs Accidentally Fell 2015-10-19T04:00:00Z There is no sign of americium in the Berkeley sliver. Manhattan Project Plutonium, Lost to Obscurity, Recovered by Scientists 2015-01-15T05:00:00Z Sampling stations at and near the plant confirmed the presence of trace amounts of americium and plutonium. Report: Radiation leak at nuclear dump was small 2014-12-18T05:00:00Z Because of neutron capture, shown in the figure above, other elements produced during the nuclear reactions include the heavy actinide elements, the last row in the periodic table – plutonium, americium, neptunium, and so on. A Nuclear Primer -- It's All About Uranium 2014-09-20T04:00:00Z Smoke detectors work thanks to a tiny trace of americium, the next element after plutonium. The scary element that saved the crew of Apollo 13 2014-09-19T04:00:00Z The room was used to recover americium, a plutonium byproduct. Feds to clean site of 1976 ‘Atomic Man’ accident 2014-07-03T04:00:00Z Later production of plutonium, done by bombarding uranium with neutrons in nuclear reactors, sometimes also produces plutonium 241, which decays more rapidly to the element americium. Manhattan Project Plutonium, Lost to Obscurity, Recovered by Scientists 2015-01-15T05:00:00Z About 1 percent is other heavy elements such as curium, americium and plutonium-239. US plants prepare long-term nuclear waste storage 2014-05-26T04:00:00Z More tests confirmed that two radioactive particles, isotopes of americium and plutonium, were found on aboveground air filters. The town that wants more nuclear waste 2014-03-06T02:20:32Z Energy department officials said the health and environmental impacts of the leak seem to be minor, but traces of plutonium and americium were detected as far as 1 kilometre from the site. Seven days: 28 February–6 March 2014 2014-03-05T18:50:25.736Z The workers inhaled plutonium and americium, which if lodged in the body bombards internal organs with subatomic particles for the rest of the person’s lifetime. Workers at Nuclear Waste Site in New Mexico Inhaled Radioactive Materials 2014-02-28T03:45:44Z The centre's latest results, released on 25 February based on samples collected four days after the leak, identified no plutonium and sharply lower levels of americium. Radiation Levels Fall after Nuclear Waste Leak in New Mexico 2014-02-26T23:30:00Z The Carlsbad research center registered the materials — plutonium and americium — on filter materials installed on air monitors in the surrounding desert. Nuclear Waste Repository Set to Reopen After Leak 2014-02-26T01:27:59Z To create the element, calcium nuclei were fired into a target containing americium atoms. Made in Lab, Fleeting Element May Join Periodic Table 2013-08-28T00:34:51Z The team bombarded a thin film of the element americium with calcium ions, which allowed them to measure photons in connection with the new element's alpha decay. Evidence for new element boosted 2013-08-27T14:26:04Z Some rooms, such as the americium recovery room, are so contaminated, workers can enter them only through portable air locks and connected to air hoses like astronauts exploring another planet. The Plutonium Gang: CH2M Hill Dismantles the Hanford Nuclear Site 2013-08-01T19:26:01Z It also contains trace amounts of an element called americium, which is created when plutonium decays. U.S. Moves to Abandon Costly Reactor Fuel Plant 2013-06-25T23:43:05Z "Ozal was most likely poisoned with four separate substances," the paper reported the sources as saying, also naming the toxic metal cadmium and the radioactive elements americium and polonium as substances found in Ozal's remains. Body of Turkish ex-leader shows signs of poisoning: paper 2012-11-26T10:10:54Z Occasionally, a calcium and an americium merged together, creating a new atom with 115 protons in its nucleus. Made in Lab, Fleeting Element May Join Periodic Table 2013-08-28T00:34:51Z The agency said americium-241/beryllium, known as Am-241, is a "category 3" source of radiation and would normally have to be held for some hours before causing health problems. Halliburton finds lost radioactive rod in Texas 2012-10-08T11:27:54Z When the U235 content burns down to 0.3%, the fuel is spent, but it contains some very radioactive isotopes of americium, technetium, and iodine, as well as plutonium. The Thing About Thorium: Why The Better Nuclear Fuel May Not Get A Chance 2012-02-16T23:59:05Z They sent the police who arrested Handl after discovering the radioactive elements radium, americium and uranium in his apartment in southern Sweden, according to The Daily Telegraph. Man Building Nuclear Reactor in Kitchen Arrested 2011-08-04T18:28:15Z Richard Handl was detained for unauthorised possession of nuclear material when police found quantities of radium, americium and uranium in his flat. AUDIO: Building a nuclear reactor in my kitchen 2011-08-04T12:18:35Z It is not very toxic, but as it slowly decays, it produces the much more dangerous isotope americium-241. Ultimate impact of damage to Japan nuclear reactors still unknown 2011-03-14T01:15:02Z Mousseau said concentrations of americium are still increasing in Ukraine and Belarus, where unspent plutonium fuel from Chernobyl dispersed. Ultimate impact of damage to Japan nuclear reactors still unknown 2011-03-14T01:15:02Z |
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