| 单词 | praseodymium |
| 例句 | Would our lives be improved if gold and uranium were as obscure and unimportant on Earth as praseodymium? Cosmos 1980-01-01T00:00:00Z Other elements are less familiar—hafnium, erbium, dyprosium and praseodymium, say, which we do not much bump into in everyday life. Cosmos 1980-01-01T00:00:00Z These are typically rich in cerium, used in flat screens, and lanthanides, such as praseodymium and neodymium, which go into magnets. Inside Vietnam's plans to dent China's rare earths dominance 2023-09-25T04:00:00Z Benchmark Mineral Intelligence, a market data provider, estimates that China refines 89% of the world's neodymium and praseodymium, the key metals for EV magnets, a dominance that by 2028 is expected to dip to 75%. Insight: World battles to loosen China's grip on vital rare earths for clean energy transition 2023-08-02T04:00:00Z The 17 elements are: lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, scandium, yttrium. Explainer-China's rare earths dominance in focus after mineral export curbs 2023-07-05T04:00:00Z The Sarfartoq project does not contain elevated levels of uranium, but has high levels of neodymium and praseodymium, two essential elements for rare earth permanent magnets, Hudson has said. Neo agrees to buy Greenland rare earth project from Hudson Resources 2022-08-22T04:00:00Z Once virtually unknown outside of geochemistry research, these metals, which include neodymium and praseodymium, as constituents of powerful magnets used in hard drives and computer speakers. Should humanity be "mining" e-waste landfills? Some chemists say so 2022-05-12T04:00:00Z The trade agreement does not involve neodymium or praseodymium, the two most commonly used types of rare earths. China to buy rare earths from U.S. as part of trade pact 2020-01-15T05:00:00Z Mention gadolinium, ytterbium and praseodymium to a friend and the reaction is likely to be, “Huh?” West Virginia editorial roundup 2019-10-09T04:00:00Z Greenland harbours some of the largest deposits of rare-earth metals, including neodymium, praseodymium, dysprosium and terbium, along with uranium and the byproducts of zinc. Trump's state visit cancellation over Greenland shocks Danes 2019-08-21T04:00:00Z Greenland harbours some of the largest deposits of rare-earth metals, from uranium to neodymium, praseodymium, dysprosium, terbium and the byproducts of zinc. Why does Donald Trump want to buy Greenland? 2019-08-19T04:00:00Z Lynas this month said it was stockpiling production of neodymium praseodymium, used in industrial magnets, for strategic customers, but did not name them. U.S. dependence on China's rare earth: Trade war vulnerability 2019-06-27T04:00:00Z Rare earth metals are a group of 17 elements - lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, scandium, yttrium - that appear in low concentrations in the ground. Explainer: China's rare earth supplies could be vital bargaining... 2019-05-22T04:00:00Z Next door to the oven, more than 150 bags of neodymium and praseodymium and cerium sat on a warehouse floor to be shipped to customers around the world. How Rare Earths (What?) Could Be Crucial in a U.S.-China Trade War 2018-07-11T04:00:00Z Neodymium, dysprosium, and praseodymium are used in combination to create the components of an electric engine. How Acid—and Bacteria—Could Make Recycling Your Phone Greener There is hidden meaning in the table - as in the naming of praseodymium and neodymium. Who, What, Why: How do elements get their names? - BBC News 2016-01-04T05:00:00Z In February, Molycorp said Mountain Pass production in the fourth quarter of 2014 — including praseodymium and neodymium for use in magnets and lanthanum for — nearly doubled from the previous quarter. Molycorp -- sole U.S. rare earth producer -- files for bankruptcy 2015-06-25T04:00:00Z But you may also find other quite rare elements in the new iPhone 6, including things like praseodymium, gadolinium and terbium. The iPhone 6 Is Really Made Up Of These Elements 2014-09-16T04:00:00Z These bags are precious goods — each one filled with neodymium and praseodymium is worth around $50,000. How Rare Earths (What?) Could Be Crucial in a U.S.-China Trade War 2018-07-11T04:00:00Z So to help save the sharks, marine biologists took advantage of this, attaching pieces of rare-earth lanthanide metals—specifically, neodymium and praseodymium—to longline fishing gear in place of typical lead weights. ScienceShot: Keeping Hammerheads Out of the Haul 2012-11-29T22:25:00Z For instance, iPods contain small quantities of the rare earths dysprosium, neodymium, praseodymium, samarium and terbium. U.S. Tangles With China Over Rare Earth Exports 2012-03-13T22:05:42Z Neodymium, praseodymium, and dysprosium are used in electronics, jet engines, and missiles. Alaska’s Billion Dollar Mountain 2011-10-27T21:00:39Z Neodymium and praseodymium, metals used in permanent rare-earth magnets, may fall as much as 15 percent, he said. Rare Earths Fall as Toyota Develops Alternatives: Commodities 2011-09-29T02:26:16Z Australian miner Lynas said it plans to get a pre-operation licence by September for production of four light rare earths: neodymium, cerium, praseodymium and lanthanum. Sumitomo says to close Molycorp deal once customers secured 2011-06-17T12:29:44Z By using such exotic materials as yttrium orthosilicate crystals and praseodymium ions it trapped photons in bunches of as many as 500 at a time. Quantum computing: A quantum hop 2010-06-24T11:19:00Z The salts of praseodymium are green in colour, and give a characteristic spark spectrum. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4 "Diameter" to "Dinarchus" Antimony, arsenic, bismuth, boron, nitrogen, cæsium, gold, indium, mercury, phosphorus, rubidium, selenium, sulphur, thallium, praseodymium. Scientific American Supplement, No. 799, April 25, 1891 It was formerly supposed to be an element, but has since been found to consist of two simpler elementary substances, neodymium and praseodymium. The Gutenberg Webster's Unabridged Dictionary Section D and E |
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