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单词 Plastic crystal
释义

Plastic crystal

原声例句
TED演讲(视频版) 2019年6月合集

They contain plastic crystals mixed with diamonds, beer cans and royal silks all in one look.

一眼望去你就能看到它们中包含了混了钻石的塑胶水晶,啤酒罐和御用丝绸。

英语百科

Plastic crystal

A plastic crystal is a crystal composed of weakly interacting molecules that possess some orientational or conformational degree of freedom. The name plastic crystal refers to the mechanical softness of such phases: they resemble waxes and are easily deformed. If the internal degree of freedom is molecular rotation, the name rotor phase or rotatory phase is also used. Typical examples are the modifications Methane I and Ethane I. In addition to the conventional molecular plastic crystals, there are also emerging ionic plastic crystals, particularly organic ionic plastic crystals (OIPCs) and protic organic ionic plastic crystals (POIPCs). POIPCs are solid protic organic salts formed by proton transfer from a Brønsted acid to a Brønsted base and in essence are protic ionic liquids in the molten state, have found to be promising solid-state proton conductors for high temperature proton exchange membrane fuel cells. Examples include 1,2,4-triazolium perfluorobutanesulfonate and imidazolium methanesulfonate.

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更新时间:2025/6/19 14:36:51