| 单词 | rhenium |
| 例句 | According to a study published in PNAS, the researchers used rhenium ⎯ a silvery-gray, heavy transition metal ⎯ as a proxy for carbon. Study sheds light on how Earth cycles fossil-carbon 2023-11-14T05:00:00Z Sampling river water to measure rhenium levels makes it possible to quantify CO2 release. Ancient carbon in rocks releases as much carbon dioxide as the world's volcanoes 2023-10-04T04:00:00Z The mine was predicted to disrupt this food chain mightily in the name of extracting rich veins of copper and gold, and potentially molybdenum and rhenium. Salmon-rich Bristol Bay deserves permanent protection 2020-12-01T05:00:00Z Other physicists at Bell Labs were exploring alloys containing metals like niobium, molybdenum and rhenium as well as a smidgen of iron. Myriam Sarachik Never Gave Up on Physics 2020-08-31T04:00:00Z To increase the signal arising from hydrogen compared with that from its surroundings, the gaskets used were made of elements lighter than tungsten and rhenium. X-rays glimpse solid hydrogen’s structure 2019-09-24T04:00:00Z "As plankton die and sink to the bottom of the ocean, that dead carbon becomes chemically reactive in a way that adds rhenium to it." Study sheds light on how Earth cycles fossil-carbon 2023-11-14T05:00:00Z The Noddacks struggled to produce weighable quantities of rhenium, which they named after the Rhine; it is one of the rarest elements on Earth, and is not radioactive. Celebrate the women behind the periodic table 2019-01-27T05:00:00Z Such demands necessitate the use of alloys of exotic metals such as rhenium, hafnium, nickel and titanium to provide the performance, efficiency and weight savings required for today's advanced aircraft engines. Circular economy: Getting the circulation going : Nature : Nature Publishing Group 2016-03-22T04:00:00Z Certain minerals such as gold, platinum, silver, tungsten, iridium, osmium, palladium, rhenium, rhodium and ruthenium might be mined and transported to Earth for on-planet use. The Dawn of the Space Mining Age 2015-11-24T05:00:00Z The list includes everything from rare-earth elements used in F-35s and computer hard drives to extremely rare metals like rhenium, a key component of alloys for industrial gas turbines and petroleum refining. The U.S. Digs Itself Into a Hole on Vital Minerals 2015-08-03T04:00:00Z As this happens, rhenium is left behind, which can be measured in water. Study sheds light on how Earth cycles fossil-carbon 2023-11-14T05:00:00Z She gets credit in the science books for the discovery of rhenium. The women who science forgot - BBC News 2015-06-18T04:00:00Z This later turned out to be element number 75, rhenium - another of the gaps in Mendeleev's table. The element that can make bones glow - BBC News 2015-05-29T04:00:00Z But rhenium also happens to be one of the scarcest substances on earth. The metal that brought you cheap flights - BBC News 2015-05-15T04:00:00Z McWilliam says rhenium is about one third as abundant as gold; ruthenium is slightly more abundant than platinum; and silver is curiously only about a factor of 2.6 less abundant than platinum. Scanning For Galactic Gold 2013-10-30T10:44:00Z This happened with rhenium and ruthenium in 2006, when new aerospace and electronics applications for these metals were introduced: the price went up by almost a factor of ten. Q&A: A sustainable chemist 2013-10-16T17:21:39.283Z Inova owns the Osborne copper and gold mine, the Mount Elliott copper and gold project and the Merlin molybdenum and rhenium deposit, all in the state of Queensland. Chinese firm offers $160 mln for Turquoise Hill's Inova 2013-08-21T07:18:39Z But on the advice of Ekaterina Dadachova, a radiologist and one of the paper’s authors, they eventually plumped for attaching a radioactive isotope of rhenium to their bugs. Treating cancer with radioactive bacteria: Three wrongs make a right 2013-04-25T15:03:50Z The entire annual worldwide production of rhenium is a mere 40 tonnes, and more than three-quarters of it goes into superalloys. The metal that brought you cheap flights - BBC News 2015-05-15T04:00:00Z The most sensitive constraint involves the beta decay of rhenium into osmium. Inconstant Constants 2011-12-31T05:15:18.567Z “There’s antimony, arsenic, aluminum, selenium/And hydrogen and oxygen and nitrogen and rhenium...” 3 New Elements Named: Darmstadtium, Roentgenium and Copernicium 2011-11-05T00:16:11Z One problem with this process is that the sulphur in the acid tends to deactivate the carbon–ruthenium catalyst, a problem Dumesic has solved by using a ruthenium–rhenium catalyst. Fuel options: The ideal biofuel 2011-06-22T21:50:40.910Z Radioactive rhenium is commonly used in conventional radiotherapy. Treating cancer with radioactive bacteria: Three wrongs make a right 2013-04-25T15:03:50Z They want the government to launch a research and development program focused on expanding ECE supplies and innovating possible substitutes—something that the company GE was able to do when supplies of rhenium ran low. Shoring Up the Elements of a Clean Tech Economy 2011-02-20T06:03:42Z Its main business is the recycling of rhenium from super alloy parts and scrap. UPDATE 1-Neo Material buys stake in Germany's Buss & Buss 2010-05-27T12:39:00Z |
| 随便看 |
英语例句辞典收录了117811条英语例句在线翻译词条，基本涵盖了全部常用单词及词组的例句翻译及用法，是英语学习的有利工具。