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rhenium
[ ree-nee-uhm ]
noun
- a rare metallic element of the manganese subgroup: used, because of its high melting point, in platinum-rhenium thermocouples. : Re; : 75; : 186.2.
rhenium
/ 藞谤颈藧苍瑟蓹尘 /
noun
- a dense silvery-white metallic element that has a high melting point. It occurs principally in gadolinite and molybdenite and is used, alloyed with tungsten or molybdenum, in high-temperature thermocouples. Symbol: Re; atomic no: 75; atomic wt: 186.207; valency: 鈥1 or 1鈥7; relative density: 21.02; melting pt: 3186掳C; boiling pt: 5596掳C (est)
rhenium
- A very rare, dense, silvery-white metallic element with a very high melting point. It is used to make catalysts and electrical contacts. Atomic number 75; atomic weight 186.2; melting point 3,180掳C; boiling point 5,627掳C; specific gravity 21.02; valence 1, 2, 3, 4, 5, 6, 7.
- See Periodic Table
亚洲网紅露点 History and Origins
亚洲网紅露点 History and Origins
Origin of rhenium1
Example Sentences
According to a study published in PNAS, the researchers used rhenium 鈳 a silvery-gray, heavy transition metal 鈳 as a proxy for carbon.
Sampling river water to measure rhenium levels makes it possible to quantify CO2 release.
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.
Other physicists at Bell Labs were exploring alloys containing metals like niobium, molybdenum and rhenium as well as a smidgen of iron.
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.
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