Debierne, A. (English spelling) DebierneA

Japanese: Debierne,A.(英語表記)DebierneA
Debierne, A. (English spelling) DebierneA

…Many isotopes are known, but the longest half-life is 227 Ac (21.6 years). In 1899, André Debierne of France discovered a new radioactive element in the residue of uranium separation from pitchblende, and named it after the Greek word aktinos or aktis, meaning "light" or "radiation." In 1902, Friedrich Oskar Giesel of Germany independently discovered emanium, which was later found to be the same as actinium. …

*Some of the terminology that mentions "Debierne, A." is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…多くの同位体が知られているが,半減期の最も長いものは227Ac(21.6年)。1899年,フランスのドビエルヌAndré Debierneは,ピッチブレンドからウランを分離した残留物中に新しい放射性元素を発見し,〈光〉〈放射線〉を意味するギリシア語のaktinosまたはaktisにちなんで命名した。また1902年ドイツのギーゼルFriedrich Oskar Gieselが独立に発見したエマニウムemaniumは,のちにアクチニウムと同じものであることがわかった。…

※「Debierne,A.」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

<<:  Debilität (English spelling)

>>:  Debenedetti, G.

Recommend

First funeral - Ichijiso

...A burial method in which a body is temporarily...

thermal sweating

…The eccrine glands throughout the body (includin...

Atlantes

…When Hercules came to retrieve the golden apples...

Autonomous House - Autonomous House

... Furthermore, photovoltaic power generation sy...

transfer orbit

...Therefore, orbital control during launch is pl...

Inserted mole - Inserted mole

…Body decoration and transformation [Hiroko Yokoy...

Jet engine

An engine that produces thrust by ejecting pressu...

European Community - European Community

European Communities. Abbreviated as EC. Founded i...

Public Opinion

〘 noun 〙 The will of the people. The opinion of th...

Gouldner, A.

… However, in today's advanced industrial soc...

Takasaki [town] - Takasaki

A former town in Kitamorokata County in the southw...

Hawthorne, Nathaniel

Born July 4, 1804 in Salem, Massachusetts. Died Ma...

Flame light filtration photometry

...There are two methods of flame photometry: (1)...

Archimedes' axiom (English spelling)

…If we divide the real numbers in this way, (1) t...

petits romantiques (English spelling) petitsromantiques

...The so-called German Romanticism created a new...