| 单词 | uranium ore |
| 例句 | Lawrence reasoned, however, that although domestic sources of uranium ore were practically nonexistent, uranium was plentiful in another form: tons of uranium tailings piled up as waste at Oak Ridge and Hanford. Big Science 2015-07-07T00:00:00Z If we drop the uranium ore into a heavy lead canister, the count rate declines substantially; the lead has absorbed the uranium radiation. Cosmos 1980-01-01T00:00:00Z A new impetus for the project had emerged: fears of a shortage of uranium ore, the raw material for the production of plutonium bomb cores. Big Science 2015-07-07T00:00:00Z If we bring it close to the uranium ore, which is emitting helium nuclei in a spontaneous nuclear decay, the count rate, the number of clicks per minute, increases dramatically. Cosmos 1980-01-01T00:00:00Z Germany had “first-class scientists,” he said, “and significant supplies of uranium ore.” Bomb 2012-01-01T00:00:00Z The site of a large uranium ore mine, it was the most significant industrial development in Great Bear Lake’s history. A Remote Canadian Lake and Its People: Protecting a Last Refuge 2017-02-07T05:00:00Z This city of 43,000 in central Ukraine owes its modern existence to the Soviets, who discovered uranium ore here in 1951. He was a beloved resident of this Ukrainian city — and the great uncle of Russia's most infamous warlord. Should he be canceled? 2023-08-23T04:00:00Z Geological Survey in 2021 found most springs and wells in a vast region of northern Arizona known for its high-grade uranium ore meet federal drinking water standards despite decades of uranium mining. Tribes hope Biden’s Arizona visit means long-sought Grand Canyon monument designation 2023-08-07T04:00:00Z In Niger, the country’s notable resource is high-grade uranium ore. In Niger, US seeks to hang on to its last, best counterterrorist outpost in West Africa 2023-08-03T04:00:00Z It mainly used uranium ore from a mine in what is now the Democratic Republic of the Congo, which was kept secret from the Germans. What Was the Manhattan Project? 2023-07-21T04:00:00Z Engineers use a process called enrichment to extract U-235 from natural uranium ore. The US will send depleted uranium munitions to Ukraine — an expert explains their health effects 2023-06-17T04:00:00Z Fission generates no carbon dioxide, the primary global warming gas, although fossil fuels can be used in mining and refining uranium ore for reactors. Company seeks first-time restart of shuttered nuclear plant 2023-04-26T04:00:00Z The depleted uranium is still radioactive but has a much lower level of the isotopes U-235 and U-234 - way less than the levels in natural uranium ore - reducing its radioactivity. Explainer: What are depleted uranium weapons - and what are the risks? 2023-03-23T04:00:00Z Armed forces in eastern Libya say they have found about two and a half tonnes of uranium ore that were reported missing by the International Atomic Energy Agency. Libya uranium: Missing barrels recovered, say eastern forces 2023-03-16T04:00:00Z The uranium ore itself poses little radiation hazard, said Sinead Harvey, a spokeswoman for the U.N. watchdog, the International Atomic Energy Agency. 10 Drums of Nuclear Material Is Missing From Libya Site, U.N. Agency Says 2023-03-16T04:00:00Z The U.S. government bankrolled the industry, and mining companies rushed to profit, building more than 50 mills and processing sites to refine uranium ore. "A ticking atomic bomb": The Cold War legacy lurking in U.S. groundwater 2022-12-06T05:00:00Z Uranium fuel starts as uranium ore, a naturally occurring radioactive material. Why the US can’t quit Russian uranium 2022-08-09T04:00:00Z Saudi Arabia, with Chinese help, has built a plant to process uranium ore and acquired ballistic missiles. Final act of empire? U.S., Israel and the Saudis now heading for war with Iran 2022-07-19T04:00:00Z Mining and refining uranium ore and making reactor fuel demands a lot of energy. Environmental Biology 2018-09-06T00:00:00Z The Pyongsan Uranium Concentration Plant and its associated mine are North Korea's only publicly acknowledged source of yellowcake, or uranium ore, according to analysts. N.Korea can produce more uranium than current rate, report says 2021-11-04T04:00:00Z Ten years ago: On the eve of talks with six world powers, Iran announced that it had produced its first batch of locally mined uranium ore for enrichment. Today in History 2020-12-05T05:00:00Z The U.N. experts also noted the appearance of new or expanded facilities at North Korea’s uranium processing plants, including a large industrial complex at Pyongsan that refines uranium ore. As Kim wooed Trump with ‘love letters,’ he kept building his nuclear capability, intelligence shows 2020-09-30T04:00:00Z Saudi Arabia has mineable uranium ore reserves sufficient to start its own nuclear fuel production, increasing concerns about the Kingdom’s interest in an atomic weapons programme, according to a confidential report seen by the Guardian. First Thing: 'I was in Trump's grip, and I couldn't get out of it' 2020-09-17T04:00:00Z The Journal said it was part of a program with the Chinese to extract uranium yellowcake from uranium ore. U.S. Examines Whether Saudi Nuclear Program Could Lead to Bomb Effort 2020-08-05T04:00:00Z The mill, built in 1979, was only meant to process conventional uranium ores from the Colorado Plateau for up to 20 years, the tribe says. In Utah, a debate stirs over Estonian radioactive waste 2020-07-16T04:00:00Z Uranium mining interests say the global market for uranium ore is vulnerable to political turmoil. Trump grants extension for nuclear fuel recommendations 2019-10-17T04:00:00Z The mining industry argues that creating uranium ore demand is essential for U.S. national security. US nuclear, uranium mining industries hope for Trump bailout 2019-10-09T04:00:00Z Western intelligence services had found that scientists at a nuclear facility near Natanz, in north-central Iran, had begun an effort to enrich uranium ore. The Secret History of the Push to Strike Iran 2019-09-04T04:00:00Z It appears to be a small mill for turning uranium ore into yellowcake. U.S. Examines Whether Saudi Nuclear Program Could Lead to Bomb Effort 2020-08-05T04:00:00Z Park officials announced in February they were investigating whether anyone was exposed to radiation at unsafe levels while samples of uranium ore sat in plastic buckets in a park research building. Report: No radiation exposure at Grand Canyon National Park 2019-07-25T04:00:00Z The case centered on approximately 119 million pounds of uranium ore beneath an old plantation just north of the Virginia-North Carolina border. Supreme Court upholds Virginia’s decades-old ban on uranium mining 2019-06-17T04:00:00Z Trump last summer rejected an industry request requiring U.S. uranium ore users to rely on domestic production for 25 percent of their supply. US nuclear, uranium mining industries hope for Trump bailout 2019-10-09T04:00:00Z Park officials announced last month they were investigating whether anyone was exposed to radiation at unsafe levels while samples of uranium ore sat in plastic buckets in a park research building. No uranium ore exposure for Grand Canyon park employees 2019-03-12T04:00:00Z The Republic and CNN cited experts who suggested that uranium ore alone wouldn’t be dangerous unless inhaled or swallowed. Grand Canyon tourists possibly exposed to radiation at museum, whistleblower says 2019-02-21T05:00:00Z In March, preliminary findings indicated no current uranium ore exposure for park employees and visitors. Report: No radiation exposure at Grand Canyon National Park 2019-07-25T04:00:00Z Since the news broke that three buckets of uranium ore sat in a Grand Canyon museum for years, alarm has been spreading about the radiation “cover-up.” That uranium ore found at a Grand Canyon museum isn’t as scary as it sounds 2019-02-19T05:00:00Z The company says approximately 119 million pounds of uranium ore lies beneath an old plantation just north of the Virginia-North Carolina border. Supreme Court questions how to discern Virginia’s intent in uranium mining ban 2018-11-05T05:00:00Z UF6, produced by combining “yellowcake” uranium ore concentrate with fluorine, is a precursor of enriched uranium, which fuels the world’s nuclear plants. French Orano opens uranium conversion plant despite glut 2018-09-10T04:00:00Z The U.S. last year imported $2.2 billion in uranium ore and other products. Trump Administration Investigating Uranium Imports Under National Security Concerns 2018-07-18T04:00:00Z While stationed at Los Alamos in 1943, she developed techniques for x-radiation and purification of uranium ores. "Elderly Woman" Is Not a Synonym for "Clueless Person" 2018-03-20T04:00:00Z If they were teaching geologists, it could be to show “here’s what uranium ore looks like.” That uranium ore found at a Grand Canyon museum isn’t as scary as it sounds 2019-02-19T05:00:00Z The viability of any mining venture will depend on the quality of uranium ore and its depth from the surface. Why does Saudi Arabia want to spend billions to enrich its own uranium? 2018-03-19T04:00:00Z It also supplied the uranium ore to the USSR’s military industrial complex due to its massive reserves, the second largest on the planet. N. Korea should follow Kazakhstan’s lead 2017-08-24T04:00:00Z The mining company plans to drill down 1,475ft to extract high-grade uranium ore, then truck it 250 miles by road to their processing mill in Utah. In the Grand Canyon, uranium mining threatens a tribe's survival 2017-07-17T04:00:00Z The disposal site sits on top of a former mill that processed more than 200 tons of uranium ore a day from mines in Cove, Arizona, and other nearby locations. Uranium leaves legacy of contamination for Navajo Nation 2017-04-02T04:00:00Z The Verge spoke with Higley about uranium, cancer, and what uranium ore might be doing in a bucket. That uranium ore found at a Grand Canyon museum isn’t as scary as it sounds 2019-02-19T05:00:00Z Iran plans to buy 950 tonnes of uranium ore from Kazakhstan over three years and expects to get Russian help in producing nuclear fuel, its top nuclear official said in remarks published on Saturday. Iran plans to buy Kazakh uranium ore, seek Russia help to make nuclear fuel 2017-02-25T05:00:00Z The area also included 1 million acres rich in uranium ore where new mining claims are banned through 2032. Congressman: Obama not creating Grand Canyon monument 2017-01-06T05:00:00Z It also includes 1 million acres rich in uranium ore where new mining claims are banned through 2032. Arizona advocates buoyed by Obama monument action 2016-12-30T05:00:00Z For years, the city hosted a plant where raw uranium ore from the Congo went through the initial stages of purification. Missouri home contaminated by wartime radioactive waste, lawsuit says 2016-11-16T05:00:00Z But three buckets of ore sitting in a basement or in a closet is a lot different than somebody going down into a mine and working for 30 years mining uranium ore. That uranium ore found at a Grand Canyon museum isn’t as scary as it sounds 2019-02-19T05:00:00Z The soil contained two to three times the normal level of uranium, but it was at a minute concentration compared to that found in uranium ore, according to scientists with the U.S. Arizona environmental officials approve uranium dust rules 2016-10-24T04:00:00Z “When combined with the soil and sediment samples, we’ll have a really clear snapshot of what conditions are like here before any uranium ore is extracted,” he said. Feds get data to check on mining’s effect near Grand Canyon 2016-03-06T05:00:00Z Although both represent roughly the same level of threat, a uranium bomb would signify a huge technological achievement because the process of distilling natural uranium ore to the stuff suitable for bombs is profoundly difficult. How advanced is North Korea's nuclear programme? - BBC News 2015-09-15T04:00:00Z Under the agreement, inspectors will be able to monitor the production of rotors and other centrifuge components for up to 20 years and can monitor Iran’s stocks of uranium ore concentrate for 25 years. In Pushing for the Iran Nuclear Deal, Obama’s Rationale Shows Flaws 2015-08-23T04:00:00Z Why would someone keep uranium ore around in a bucket? That uranium ore found at a Grand Canyon museum isn’t as scary as it sounds 2019-02-19T05:00:00Z The mine is connected to the mill by a conveyor belt that brings uranium ore into the mill for processing. North Korea is stepping up uranium production — but for power or nukes? 2015-08-13T04:00:00Z Virginia Uranium argues the state won’t develop mining regulations because of environmental and radiological safety concerns over the processing of uranium ore and storage of radioactive waste. Uranium company sues Virginia over the right to mine huge deposit 2015-08-05T04:00:00Z Honeywell’s Metropolis plant, about 5 miles northwest of Paducah, Kentucky, is the only place in the U.S. that converts uranium ore to uranium hexafluoride, which can be toxic when exposed to moisture in the air. NRC inspecting Illinois uranium-conversion plant after leak 2015-08-04T04:00:00Z Honeywell Metropolis Works is the only U.S. facility that converts uranium ore into uranium hexafluoride, an essential compound used to produce enriched uranium as fuel in nuclear power plants, according to the company's website. Honeywell unit probed in toxic gas leak in Illinois 2015-08-04T04:00:00Z Please tell me all your thoughts about the uranium ore in a bucket. That uranium ore found at a Grand Canyon museum isn’t as scary as it sounds 2019-02-19T05:00:00Z It is one of 25 radioactive isotopes of polonium, a silver-coloured metal found in uranium ores. What is polonium-210? - BBC News 2015-07-31T04:00:00Z The International Atomic Energy Agency, the United Nations nuclear watchdog, will monitor the production of uranium ore concentrate for 25 years, the document says. Iranian Hard-Liners Say Nuclear Accord Crosses Their Red Lines 2015-07-16T04:00:00Z Over the years, they mined and milled 10,000 tonnes of uranium ore into yellowcake, ready for conversion into bomb material. Poisoned legacy 2015-07-09T04:00:00Z If we cared about this sort of thing, we would be marking natural uranium ore deposits, since that’s basically what nuclear waste becomes after several hundred years. Talking to the Future -- Hey, There's Nuclear Waste Buried Here! 2015-04-17T04:00:00Z For example, during the next twenty-five years, inspectors will be able to enter mines known to contain raw uranium ore. On Iran, Obama Gets His Breakthrough 2015-04-02T04:00:00Z Evidence on mobile biological labs, aluminum tubing for uranium enrichment, uranium ore purchases from Niger and unmanned-aerial-vehicle delivery systems for WMDs all proved to be false. The Iraq War: Bush’s Biggest Blunder In an apparent reference to the government’s press release and ensuing media coverage, they wrote, “Despite initial open-source reporting that alleged the smuggling of uranium ore concentrate … the questioned material is definitely not UOC.” The Uranium Sting: Did Homeland Security Catch a Smuggler or Create One? 2014-09-11T04:00:00Z The UF6 is derived from yellow cake, a milled concentrate from mined uranium ore. U.N. to inspect Libya's uranium stocks amid worsening stability 2013-12-09T16:47:25Z Samples of raw uranium ore were found beneath the inner soles of his shoes, an agent said in a US court complaint. 'Uranium shoe' man arrested in US 2013-08-24T14:33:36Z When confronted, he also admitted that he had brought a sample of the raw uranium ore with him concealed in his luggage. U.S. arrests man from Sierra Leone in Iran uranium sting 2013-08-23T02:04:08Z Urenco plants receive shipments of uranium hexafluoride, a granular substance derived from uranium ore, which is turned into gas by heating it. DealBook: Powerhouse of the Uranium Enrichment Industry Seeks an Exit 2013-05-27T21:41:00Z Just one step more purified than raw uranium ore found in the ground, yellowcake emits little radioactivity and is composed of only 0.7 percent U-235, the isotope required for a nuclear reaction. The Uranium Sting: Did Homeland Security Catch a Smuggler or Create One? 2014-09-11T04:00:00Z State TV simultaneously showed ceremonies at Iran’s biggest uranium mine at Saghand and a uranium ore concentrate production plant in Ardakan, both in central Iran. Defiant Iran announces two nuclear-related projects 2013-04-09T11:45:00Z When confronted, he admitted to having brought a sample of the raw uranium ore with him, the complaint says. 'Uranium shoe' man arrested in US 2013-08-24T14:33:36Z The UF6 is derived from yellow cake, a concentrate from uranium ore discovered in mines. Iran announces uranium finds, days before nuclear talks 2013-02-23T13:59:45Z The UF6 is derived in a reaction from yellow cake, a concentrate from uranium ore discovered in mines. Iran announces uranium discovery days before nuclear talks 2013-02-23T11:58:46Z Therefore, one of our goals is to understand what fossils are found in the layers that also produce uranium ore, to ensure that any future mining doesn't destroy scientifically important evidence of ancient life. Scientist at Work Blog: Cool Fossils and Hot Rocks 2012-09-05T10:06:05Z Naturally occurring uranium ore is mostly uranium-238, which cannot sustain the kind of runaway chain reaction required to produce an explosion. Controversial research: Good science bad science 2012-04-25T17:20:31.727Z Curie and half to Henri Becquerel, whose discovery of the spontaneous radio-activity of uranium ore formed the basis of all subsequent researches in radio-activity. Marie Sklodowska Curie 2011-10-28T13:45:02.217Z Indeed, its wartime efforts can seem woefully insufficient for the task: in Ishikawa, about 130 schoolchildren were put to work digging for uranium ore because the adult men had all been sent off to war. Ishikawa Journal: Fukushima?s Long Link to a Dark Nuclear Past 2011-09-06T00:56:40Z About 180 million pounds of uranium ore was used last year, outstripping production by 40 million pounds, according to Sterne Agee’s Elias. Uranium Takeover at 40% Premium Shows Nuclear Future: Real M&A 2011-09-06T00:24:23Z Billions of years ago, the abundance of uranium-235 in uranium ore was high enough for a self-sustaining fission reaction to develop. Nature's Nuclear Reactors: The Two Billion Year Old Natural Fission Reactors in Gabon, Western Africa 2011-07-13T11:15:00.240Z The DU used in munitions is neither the same as natural uranium ore nor the radioactive uranium used in a nuclear reactor. Is Karzai's Accusation That Coalition Forces Are Polluting Afghanistan with Nuclear Material Accurate or an Over-Reaction? 2011-06-25T10:15:00.433Z Thousands of these centrifuges are needed to process uranium ore into the highly enriched uranium needed to create a nuclear weapon. Hacking the Lights Out: The Computer Virus Threat to the Electrical Grid (preview) 2011-06-20T11:15:00.630Z Salehi said Iran was now self-sufficient over the entire nuclear fuel cycle -- from extracting uranium ore to enriching it and producing nuclear fuel. Iran permitting some countries to visit nuclear sites 2011-01-04T20:54:00Z It was not the uranium ore that killed people with cancers, and shattered uranium mill towns with contaminated soil, they say. Green: In the Job-Starved West, a Debate Over Uranium's Legacy 2010-12-27T21:03:54Z The isotopic distribution of uranium is remarkably uniform in Earth’s crust, so all uranium ore mined today contains about 0.720% uranium-235. Nature's Nuclear Reactors: The Two Billion Year Old Natural Fission Reactors in Gabon, Western Africa 2011-07-13T11:15:00.240Z The UF6 is derived from yellowcake, a concentrate processed from mined uranium ore. Defiant Iran reports nuclear advance before talks 2010-12-05T16:28:00Z The UF6 is derived in a reaction from yellowcake, a concentrate processed from mined uranium ore. Iran reports nuclear advance before Geneva talks 2010-12-05T09:45:00Z The atomic bomb project had outposts throughout New York, including warehouses on West 20th Street in Manhattan that housed processed uranium and centers on Staten Island that stored high-grade uranium ore obtained from the Congo. Answers About World War II in New York 2010-09-29T16:11:00Z Enrichment is a crucial step in turning uranium ore into reactor fuel. Companies Bet on Market for Enriched Uranium 2010-06-19T01:57:00Z It is also mining uranium ore, which has been exported to the Soviet Union in exchange for isotopes and enriched uranium for use in experimental nuclear installations. Area Handbook for Romania The uranium ore is processed by the Rare Metals Combine near Sofia. Area Handbook for Bulgaria But if we can supply uranium ore cheaper there's going to be a clamor for private enterprise again. The Black Tide But we got to get started on that uranium ore purification. Feline Red But some isotopes of uranium and thorium have little beta, with some alpha and gamma, so Baxter concluded we had powdered uranium ore. The Blue Ghost Mystery Radium is found only in uranium ores and only in exceedingly small quantities. The Economic Aspect of Geology Oostpoort, established near some outcroppings that contained uranium ore, was protected from both the Dawn Gale and the Twilight Gale, for it was in a valley in the midst of a small range of mountains. Wind The thorium and uranium ores are, again, specially prone to alteration. The Birth-Time of the World and Other Scientific Essays From the steel-like ground they scooped a dozen tons of the dirty black uranium ore and sent it hurtling back to the Bertha. Feline Red Confirming these fears, in 1939 the Germans stopped all sales of uranium ore from the mines of occupied Czechoslovakia. Project Trinity 1945-1946 In eastern Wyoming is a unique deposit of uranium ore in a quartzite which lies between mica-schist and granite. The Economic Aspect of Geology After Germany occupied Belgium in May 1940, the Belgians turned over uranium ore from their holdings in the Belgian Congo to the United States. Project Trinity 1945-1946 It is, of course, quite possible that the nature of the conditions attending the deposition of the uranium ores, many of which are comparatively recent, are responsible for the difficulties observed. The Birth-Time of the World and Other Scientific Essays Standing inside the hatchway, holding suspended over his head a three-foot long cell of uranium ore, Scott felt a moment of shuddering panic. Feline Red |
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