| 单词 | protactinium |
| 例句 | Are there planets where the inhabitants proudly display pendants of niobium and bracelets of protactinium, while gold is a laboratory curiosity? Cosmos 1980-01-01T00:00:00Z In 1924, they earned their first joint Nobel Prize nomination for their work with the new element protactinium. She Cracked the Mystery of How to Split the Atom, But Someone Else Got the Nobel Prize for the Discovery 2023-09-07T04:00:00Z In this process, they produce specific isotopes of other radioactive elements such as thorium, protactinium and radium. The US will send depleted uranium munitions to Ukraine — an expert explains their health effects 2023-06-17T04:00:00Z Over time, that elemental uranium has partly decayed into thorium and protactinium. Did Nazis Produce These Uranium Cubes? Researchers Look for an Answer. 2021-09-10T04:00:00Z Hahn and Meitner discovered protactinium while they were looking for the ‘mother substance’ of actinium in the radioactive decay series. Celebrate the women behind the periodic table 2019-01-27T05:00:00Z Around that same time, Meitner and Hahn discovered the isotope protactinium, which won Meitner the Leibniz Medal. Honoring a Pioneering Woman in Physics 2017-08-29T04:00:00Z But thorium gloms on to particles more readily than protactinium. Crippled Atlantic currents triggered ice age climate change 2016-06-30T04:00:00Z Even the least popular, protactinium, has garnered over 12,000 views. [Essay] Spore* Series Winner: The Periodic Table of Videos 2011-05-26T18:26:09.343Z It is therefore buried more readily, whereas protactinium tends to be carried away by ocean currents for burial elsewhere. Crippled Atlantic currents triggered ice age climate change 2016-06-30T04:00:00Z |
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