Zachariasen, WH (English spelling)

Japanese: Zachariasen,W.H.(英語表記)ZachariasenWH
Zachariasen, WH (English spelling)

…In the past, it was simply thought that glass has a three-dimensional, irregularly distributed network structure, but now it is thought that although there is some overall irregularity, the order of the structure is quite high at a few angstroms or less, and that the structure varies depending on the composition. Theories about the structural units that make up glass have been around for quite some time, and the structural theory proposed by WH Zachariasen in 1932 is still considered to be basically correct. It structurally shows the conditions under which oxides with the composition MO x turn into glass, and can be expressed as follows: …

*Some of the terminology that mentions "Zachariasen, WH" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…古くは,〈ガラスは三次元に不規則に広がった網目状構造をもつ〉と単純に考えられていたが,現在では,全体としてはそのような不規則性をもつものの,数Å以下での構造の秩序はかなり高く,その構造も組成によってさまざまであるという考え方になりつつある。ガラスを構成している構造単位に関する理論はかなり古くからあり,ツァカリアーゼンW.H.Zachariasenが1932年に提案した構造説は,いまだに基本的には正しいとされている。それはMOxという組成の酸化物がガラス化するときの条件を構造的に示したもので,次のように表現できる。…

※「Zachariasen,W.H.」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

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