单词 | scandium |
例句 | In the process, she identified scandium-45 with its long-lived first-excited energy state as the superior candidate both for quantum nuclear storage and the nuclear clock. Milestone moment toward development of nuclear clock 2023-11-03T04:00:00Z However, these hopes quickly died out, as the chloride batteries were considered impractical due to their heavy reliance on expensive rare earth metals, including yttrium, scandium, and lanthanide elements, as secondary components. New designs for solid-state electrolytes may soon revolutionize the battery industry 2023-11-02T04:00:00Z Currently, America imports all the niobium and scandium and most of the titanium and rare earths that NioCorp hopes to produce. Mining company’s deal to sell rare earths to Stellantis may boost project’s fundraising efforts 2023-07-06T04:00:00Z 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 mine could also produce scandium that can be used to make aluminum stronger and titanium that would be used in paint production. Company gets closer to raising $1.1B it needs for mine 2023-03-15T04:00:00Z They are a group of 17 chemical elements, composed of scandium, yttrium and lanthanides, according to the U.S. Sweden finds rare earth deposits that could benefit Western consumers 2023-01-13T05:00:00Z The facility accelerated a beam of selenium-82 and used it to produce rare isotopes of the elements scandium, calcium and potassium. A particle accelerator that just turned on could reveal rare forms of matter 2022-11-26T05:00:00Z A variety of salts can be prepared from metals that are more active than hydrogen by reaction with the corresponding acids: Scandium metal reacts with hydrobromic acid to form a solution of scandium bromide: Chemistry 2019-02-14T00:00:00Z The U.S. imports all the niobium and scandium and most of the titanium and rare earths that NioCorp hopes to produce. Proposed Nebraska mine has sizeable deposit of rare elements 2022-05-19T04:00:00Z The U.S. is dependent on imports for the 35 substances it currently designates as critical minerals, including niobium, scandium and titanium. Nebraska project finds key minerals, but can it mine them? 2021-12-22T05:00:00Z The U.S. imports all the niobium and scandium and most of the titanium and rare earths that manufacturers rely on now. Proposed Nebraska mine might produce more rare elements 2021-12-14T05:00:00Z One approach that does seem to be working is tapping red mud as a source of scandium, a rare earth metal used to strengthen metal alloys. Red mud is piling up. Can scientists figure out what to do with it? 2020-08-20T04:00:00Z The lone pairs from six water molecules form bonds to the scandium ion to form an octahedral complex. Chemistry 2019-02-14T00:00:00Z But it also will produce the rare earth scandium. Factbox: Rare earths projects under development in U.S. 2020-04-22T04:00:00Z Unlike niobium and scandium, there are a few U.S. mines, but more than half the titanium is imported from China and other countries. Nebraska project finds key minerals, but can it mine them? 2021-12-22T05:00:00Z Neither scandium nor yttrium are currently produced in the United States. China to buy rare earths from U.S. as part of trade pact 2020-01-15T05:00:00Z Some were wrong, but he accurately foretold the existence of three elements: gallium, germanium and scandium. Is It Time to Upend the Periodic Table? 2019-08-27T04:00:00Z The reactivity of the transition elements varies widely from very active metals such as scandium and iron to almost inert elements, such as the platinum metals. Chemistry 2019-02-14T00:00:00Z 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 But a proposed mine to recover the minerals — niobium, scandium and titanium — is instead providing a case study in the difficulty of actually launching such projects in the U.S. Nebraska project finds key minerals, but can it mine them? 2021-12-22T05:00:00Z But in scandium, the electron that differentiates it from calcium is a 3d one, even though it is not the final electron to enter the atom as it builds up. Can quantum ideas explain chemistry’s greatest icon? 2019-01-29T05:00:00Z Remarkably enough, three of these elements, subsequently named gallium, germanium and scandium, were discovered within 15 years of Mendeleev’s predictions. Happy Sesquicentennial, Periodic Table! 2019-01-22T05:00:00Z These highest oxidation states are the most stable forms of scandium, titanium, and vanadium. Chemistry 2019-02-14T00:00:00Z However, the final list released on Monday does not mention rare earths, a group of 15 lanthanide metallic elements plus the metals scandium and yttrium. U.S. gives rare earths reprieve in revised $200 billion China... 2018-09-18T04:00:00Z The latest proposed tariffs include scandium and yttrium, two rare-earth minerals that defense companies source almost entirely from China. From Seafood to Mattresses: How the Latest Tariffs Would Affect U.S. Businesses 2018-07-12T04:00:00Z Traditionalists maintain that these comprise scandium, yttrium, lanthanum and actinium; a growing number thinks that lutetium and lawrencium should replace the last two on the basis of electronic structures. Can quantum ideas explain chemistry’s greatest icon? 2019-01-29T05:00:00Z The study predicts the mine would annually produce more than 11,000 tons of titanium, more than 7,000 tons of niobium and more than 100 tons of scandium. Company predicts Nebraska mine project could be worth $17.6B 2017-07-08T04:00:00Z NioCorp wants to build a mine and processing facilities on land near Elk Creek to extract and process niobium, scandium and titanium - rare metals used in a host of manufacturing and other industries. Rare metals company seeks 2017 construction on Nebraska mine 2016-12-10T05:00:00Z The smartphones that allow us to connect instantly with the far corners of the planet rely on as many as seventeen so-called rare earth metals such as scandium, yttrium and lanthanides. The Forgotten Material That Changed the World 2016-05-30T04:00:00Z 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 Red Flat Nickel Corp. proposed two years ago to drill 59 sample holes on 139 mining claims on more than 3,000 acres, hoping to one day mine nickel and possibly cobalt, chromium and scandium. Southern Oregon metals exploration bid faces heavy going 2015-02-02T05:00:00Z REE is a term used to describe 15 elements from the periodic table, known scientifically as lanthanides, along with scandium and yttrium, that all occur naturally together in the ground. Rare metals found in Mournes 2014-12-31T05:00:00Z My day job is running around finding the scandium that various fuell cell manufacturers want to use. A Technical Note About Why Redox Fuel Cells Are Different From Bloom Energy Ones 2013-08-19T21:05:00Z This is also true of ‘s “bounce back” patent, a funky new method of extracting scandium from the wastes of tungsten mining and the knowledge of sildenafil’s interesting effects on the male physique. The Tabarrok Curve: Why The Patent System Is Not Fit For Purpose 2013-06-24T01:39:00Z Rare-earth minerals such as lanthanum, lutetium, yttrium, and scandium used to be mined and processed primarily in the United States. As Defense Bill Moves to Vote, Researchers Review Results on Cancer, Satellite, and Other Science Provisions 2012-12-20T19:55:00Z Minerals such as lutetium and scandium are important in the manufacture of products such as mobile phones. EU seeks WTO help in China row 2012-06-27T15:04:33Z The part that is most interesting to me, seeing as I deal with scandium, is that they’re getting that “largest non-utility fuel cell system” from Bloom Energy. Apple Wrongfoots Greenpeace over Renewable Power for the iCloud 2012-05-19T17:10:54Z Bloom Energy is using a scandium oxide based electrolyte and are, at least they were the last time I was told about it, a rather older deposition technique. A Technical Note About Why Redox Fuel Cells Are Different From Bloom Energy Ones 2013-08-19T21:05:00Z About half of these elements, though not in order of certainty, are aluminum, cadmium, calcium, carbon, chromium, cobalt, copper, hydrogen, iron, magnesium, manganese, nickel, scandium, silicon, silver, sodium, titanium, vanadium, yttrium, zinc, and zirconium. Astronomy: The Science of the Heavenly Bodies 2012-03-17T02:01:02.630Z She uses the metal ruthenium for the first step, scandium for the second, and then a ruthenium variation for the third step--and it seems to work. Designing Catalysts for Sustainability 2011-10-24T19:54:00Z The metals — scandium, yttrium and the lanthanides — are key to electronic equipment and green technology, in part because of their use in batteries. Seven days: 13 January 2011 2011-01-19T16:51:17.363Z Rare earths are a collection of seventeen chemical elements in the periodic table: scandium, yttrium, and some fifteen lanthanides. China to cut rare earths exports 2010-12-29T08:42:41Z Two Australian companies are also preparing to mine rare earths - which are a collection of seventeen chemical elements in the periodic table: scandium, yttrium, and the fifteen lanthanides. China to cut rare earths exports 2010-12-29T07:43:43Z He pulled at it, and drew out a tiny strip of scandium, the new compressible metal that had become fashionable for engagement rings. Astounding Stories of Super-Science, November, 1930 And there are also scandium oxide molecules making unfamiliar faces at us. The Sky Trap Three of them, scandium, germanium, and gallium, were found within fifteen years, and their properties agreed in a remarkable way with the predictions of Mendeléeff. An Elementary Study of Chemistry Sixteen years later all three of these predicted elements had been discovered, one by a Frenchman, one by a German and one by a Scandinavian, and named from patriotic impulse, gallium, germanium and scandium. Creative Chemistry Descriptive of Recent Achievements in the Chemical Industries Its group members, scandium and yttrium, have the same form; we have not examined the fourth; the group is positive. Occult Chemistry Clairvoyant Observations on the Chemical Elements In the B funnel scandium B is repeated, with an addition of d 20 and a sextet for a quintet; the sextet is the c of the "nitrogen balloon." Occult Chemistry Clairvoyant Observations on the Chemical Elements In yttrium, on the proto level, a 110 and b 63 both escape from the funnel, and behave as in scandium. Occult Chemistry Clairvoyant Observations on the Chemical Elements Nitrogen has nothing new to show us, all its constituents having appeared in scandium and yttrium. Occult Chemistry Clairvoyant Observations on the Chemical Elements Who, then, will be the first to discover a use for indium, germanium, terbium, thulium, lanthanum, neodymium, scandium, samarium and others as unknown to us as tungsten was to our fathers? Creative Chemistry Descriptive of Recent Achievements in the Chemical Industries It will be seen that scandium and yttrium, of the positive group, differ only in details from vanadium and niobium, of the negative group; the ground-plan on which they are built is the same. Occult Chemistry Clairvoyant Observations on the Chemical Elements The A funnel of vanadium repeats the A funnel of scandium, with the addition of d 20, already studied. Occult Chemistry Clairvoyant Observations on the Chemical Elements III.—Boron, scandium and yttrium were examined; they are all triatomic, paramagnetic, and positive. Occult Chemistry Clairvoyant Observations on the Chemical Elements In this way does vanadium succeed in overtopping scandium by 126 atoms. Occult Chemistry Clairvoyant Observations on the Chemical Elements |
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