| 单词 | holmium |
| 例句 | 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 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 Others hope to pry out the neutrino's mass by studying nuclei of holmium-163, a synthetic radioisotope, created with particle accelerators, that undergoes a process nearly the opposite of beta decay called electron capture. Weighing the universe's most elusive particle 2017-06-29T04:00:00Z Natterer and his team used atoms of holmium, a rare-earth metal, sitting on a sheet of magnesium oxide, at a temperature below 5 kelvin. Magnetic hard drives go atomic 2017-03-07T05:00:00Z They used a neighbouring iron atom as a magnetic sensor, tuning it so that its electronic properties depended on the orientation of the two holmium atomic magnets in the 2-bit system. Magnetic hard drives go atomic 2017-03-07T05:00:00Z |
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