请输入您要查询的英文单词:

 

单词 polytype
释义

Definition of polytype in English:

polytype

noun ˈpɒlɪtʌɪpˈpälēˌtīp
Crystallography
  • Any of a number of forms of a crystalline substance which differ only in one of the dimensions of the unit cell.

    〔晶体〕多形体

    Example sentencesExamples
    • Microcrystals of the following polytypes were identified: 4H, 6H, 15R, and 18R.
    • Several polytypes of wurtzite were reported at the Negley and Alikanna sites.
    • There are four polytypes known.
    • The high-temperature polytype dickite is also present in the immediate vicinity of the thrust planes.

Derivatives

  • polytypic

  • adjective pɒlɪˈtɪpɪk
    Crystallography
    • This procedure helped in making an unambiguous distinction of the dielectric behaviour of the polytypic crystal from that of the corresponding 4H structure.
      Example sentencesExamples
      • The most basic branched polytypic crystal that can therefore be produced using these materials is a tetrapod.
  • polytypism

  • noun
    Crystallography
    • Neither the concept of polytypism nor the X-ray diffraction technique was known in Domeyko's time.
      Example sentencesExamples
      • Polytypism is a type of polymorphism wherein different polymorphs exist in different domains of the same crystal.
      • The polytypism in graphite manifests itself in two ways.

Definition of polytype in US English:

polytype

nounˈpälēˌtīp
Crystallography
  • Any of a number of forms of a crystalline substance which differ only in one of the dimensions of the unit cell.

    〔晶体〕多形体

    Example sentencesExamples
    • There are four polytypes known.
    • Microcrystals of the following polytypes were identified: 4H, 6H, 15R, and 18R.
    • Several polytypes of wurtzite were reported at the Negley and Alikanna sites.
    • The high-temperature polytype dickite is also present in the immediate vicinity of the thrust planes.
随便看

 

英汉双解词典包含464360条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/12/27 3:56:16