The results of double crystal X, ray diffraction measure of typical double barrier RTD material were given.

用X射线双晶衍射仪扫描并分析了典型双势垒RTD样品的衍射摇摆曲线；

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The structure, fabrication technology and light emission properties of double barrier MIMIS tunneling junction are discussed.

讨论了硅基双势垒金属绝缘层金属绝缘层半导体 （MIMIS）隧道发光结的结构、制备方法及发光特性。

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The phonon emission rate and the phonon assisted tunneling (PAT) current in an asymmetric double barrier structure are theoretically studied.

理论研究了非对称双势垒结构中光学声子发射率和光学声子辅助隧穿电流。

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This double bind creates a barrier that keeps many women from the top.

FORBES: Do Women Fear Power and Success?

Israel has stepped up its military deployments near the border and is constructing a 240km (150-mile) double fence to act as a physical barrier.

BBC: Sinai attack marks step change in border violence

Not content to simply dabble in double-sided transparent touchscreens, Japanese mobile provider NTT DoCoMo continues its efforts to break the language barrier -- this time with a new Android app.

ENGADGET: NTT DoCoMo launches free Concier mail translation app for Android devices