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  1. 商务英语Business English

  2. Unit 1 Notes & Notices 便条与通知 Lesson 1 Notes 便条 Lesson 2 Notices 通知 Unit 2 Social Correspondence 社交信函 Lesson 3 Introduction to Letters 商务信函简介 Lesson 4 Letter of Invitation 邀请信 Lesson 5 Letter of Thanks 感谢信 Lesson 6 Letter of Congratulation 贺信 Lesson
  3. 所属分类:专业指导

    • 发布日期:2009-03-07
    • 文件大小:13mb
    • 提供者:kikia1b2
  1. Nanocavity hardening: impact of broken bonds at the negatively curved surfaces

  2. 纳米级缺陷导致的力学性能增强,Yu Ding,Yi Chun Zhou,It is expected that atomic vacancies or nanometric cavities reduce the number of chemical bonds of nearby atoms and hence the strength of a voided solid. However, the hardness of a
  3. 所属分类:其它

    • 发布日期:2020-01-08
    • 文件大小:588kb
    • 提供者:weixin_38697274
  1. Tuning the Structural, Electronic, and Magnetic Properties of Strontium Titanate Through Atomic Design: A Comparison Bet

  2. 用原子设计方法调制SrTiO3的结构、电子性质和磁性:氧缺陷和氮掺杂的比较,廖霞霞,王惠琼,应用基于密度泛函理论的第一性原理计算方法分别对七套SrTiO2.75(氧缺陷)和SrTiO2.75N0.25(氮掺杂)的晶体结构模型进行结构、电子性能和磁性
  3. 所属分类:其它

    • 发布日期:2019-12-29
    • 文件大小:891kb
    • 提供者:weixin_38723753
  1. Ferromagnetism in Li-doped ZnO nanowires with Zn vacancies

  2. 具有Zn缺陷的掺Li氧化锌纳米线铁磁性研究,蔡宁宁,曹华伟,本论文基于密度泛函理论,计算了具有Zn缺陷的Li掺杂ZnO纳米线的电子结构与铁磁特性。计算表明:Zn缺陷可以诱发ZnO纳米线的铁磁性,但
  3. 所属分类:其它

    • 发布日期:2019-12-28
    • 文件大小:503kb
    • 提供者:weixin_38604395
  1. A desity functional study of the methanol

  2. The elementary steps of the methanol synthesis reaction at oxygen vacancies on the polar ZnO(000¯1) surface have been studied with density functional theory. We report results for reaction and activation energies for the most important elementary ste
  3. 所属分类:专业指导

    • 发布日期:2011-11-28
    • 文件大小:77kb
    • 提供者:zhguohzu
  1. 教学职位空缺:教育部的教学空缺Beta-源码

  2. 教学空缺 设置 欢迎! :party_popper: :fireworks: 现在,你应该 。 首先要做的是安装所需的开发工具。 如果您使用的是Mac,则此将安装Homebrew,Git,asdf-vm,Ruby,Bundler,Node.js,npm,Yarn,Postgres,Redis和其他有用的实用程序。 然后,使用SSH克隆项目: git clone gitgithub.com:DFE-Digital/teaching-vacancies.git 如果您使用的是新设备,请
  3. 所属分类:其它

  1. TiO2 films with rich bulk oxygen vacancies prepared by electrospinning for dye-sensitized solar cells

  2. Highly transparent nanocrystalline TiO2 films have been fabricated by electrospinning (ES) technique based on a transmutation process from as-spun nanofibers with an appropriate amount of triethanolamine (TEOA) added to the precursor. A possible evol
  3. 所属分类:其它

    • 发布日期:2021-02-09
    • 文件大小:404kb
    • 提供者:weixin_38724333
  1. First principle study of the influence of vacancy defects on optical properties of GaN

  2. We employ plane-wave with ultrasoft pseudopotential method to calculate and compare the total density of states and partial density of states of bulk-phase GaN, Ga0:9375N, and GaN0:9375 systems based on the first-principle density-functional theory (
  3. 所属分类:其它

    • 发布日期:2021-02-03
    • 文件大小:865kb
    • 提供者:weixin_38750003