英语词汇“promethium”造句子简单的方法、技巧、例句及翻译-英语例句辞典

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

One promethium isotope, with eighty-eight neutrons, has a half-life of a few days; the other, with eighty-six neutrons, has a half-life of a few years. The Histories Hidden in the Periodic Table 2019-12-27T05:00:00Z

They include elements like gadolinium, lanthanum, cerium and promethium, and are vital in the production of cancer treatment drugs, smartphones and renewable energy technologies. US-China trade: what are rare-earth metals, and what's the dispute? 2019-05-29T04:00:00Z

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

The radioactive element promethium, is missing from his collection. Neither rare, nor earths 2014-03-23T00:40:26Z

Experimenting with elements created by the Manhattan Project, researchers realized that they could create two different versions, or isotopes, of promethium, the sixty-first atom on the periodic table. The Histories Hidden in the Periodic Table 2019-12-27T05:00:00Z

单词	promethium
例句	promethium 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 One promethium isotope, with eighty-eight neutrons, has a half-life of a few days; the other, with eighty-six neutrons, has a half-life of a few years. The Histories Hidden in the Periodic Table 2019-12-27T05:00:00Z They include elements like gadolinium, lanthanum, cerium and promethium, and are vital in the production of cancer treatment drugs, smartphones and renewable energy technologies. US-China trade: what are rare-earth metals, and what's the dispute? 2019-05-29T04:00:00Z 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 The radioactive element promethium, is missing from his collection. Neither rare, nor earths 2014-03-23T00:40:26Z Experimenting with elements created by the Manhattan Project, researchers realized that they could create two different versions, or isotopes, of promethium, the sixty-first atom on the periodic table. The Histories Hidden in the Periodic Table 2019-12-27T05:00:00Z
随便看	electronic balance electronic bulletin board electronic communication electronic computer electronic countermeasures electronic database electronic device electronic dictionary electronic equipment electronic image electronic instrument electronic jamming electronic mail electronic messaging electronic musical instrument electronic network electronic organ electronic scanner electronic signal electronic stylus electronic surveillance electronic text electronic transistor electronic warfare electronically