• 首先基于束缚模型研究了非磁性缺陷金属型单壁纳米密度电导影响

    Firstly, the influence of point defects on the density of states and conductance for metallic carbon nanotubes is studied based on the tight-binding model.

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  • 问题用来制造逻辑电路晶体中保留着它们电子因此这些晶体通电的时候,它们包含任何可能的数据

    The problem is that the transistors used to make logic circuits hold their electronic state, and therefore any data they contain, only when powered up.

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  • 因此,这就意味着子从纳米外层流向内层低(为激发)的存在于纳米中。

    In this case, that means the excitons in the outer layer flow to the inner layer, where they can exist in a lower (but still excited) energy state.

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  • 这些能量水平代表0或者1,传统计算机使用晶体的开关代表数据位0或1一样。

    Those levels represent a one or zero, just as the off and on states of a transistor correspond to zero or one bits of data in traditional computing.

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  • 容量、亚临界自然循环锅炉蒸发系统设计有时不可避免地需要部份采用价格昂贵内螺纹避免出现沸腾

    In evaporating system design of large subcritical pressure natural circulation boiler sometime expensive rifled tube will be used unavoidably in part, so that the film boiling Can be avoided.

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  • 试验结果表明冷却轧制铜冷却壁性能没有区别,冷却能力好,壁体与埋没有气隙热阻。

    The result shows that there is no difference in thermal properties between cast copper stave and rolled copper stave. The cooling capacity of cast one is very good.

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  • 根据这种方法我们研究等离子体处理多晶硅薄膜晶体禁带密度影响

    With this method, the influences of the plasma hydrogenation on the gap state density have been investigated.

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  • 系统分析高炉新型冷却壁的性能变形

    The thermal properties and deformation of new type cast copper stave with buried copper pipe were studied.

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  • 测量结果证明窄频带晶体三极噪声振幅分布遵守的振幅分布相符合。

    It is found that the amplitude distribution of nai-row band semiconductor noise agrees with that of the normal law distribution.

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  • 为了研究生物质颗粒等离子体快速热解液化设备水平携带热解中的运动设计制造了水平携带床模拟装置

    A set of transparent cold model was designed for studying the movements of biomass particulate in horizontal entrained bed of the plasma heated biomass fast pyrolysis liquefaction prototype.

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  • 如何获得优质空心使能够满足直接轧制要求实现空心坯连铸连轧,即材近终形制造技术关键

    To produce hollow tubes, which can satisfy the requirements of direct rolling in casting conditions, is the key to realize continuous casting-direct rolling of hollow tubes.

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  • 纳米碳近年材料科学以及凝聚物理研究前沿热点

    Single walled carbon nanotube (SWNT) is a hot and frontier topic of materials science and condensed matter physics in recent years.

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  • 本机利用环孔形对进行轧制工艺设备

    This machine is the use of annular-shaped tube on the shortage of cold rolling process equipment.

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  • 主要元件起进行试验研究,根据试验情况分析了传热特点

    Based on the cold experimentation on rotating-film tube that principal deaerating component of this deaerator, heat and mass transfer characteristics was analyzed.

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  • 在忽略卷曲效应的情形下,计算(6,0)电子能量及能密度三个参量,然后利用这些参量推算重要热学量电子比热客.结果表明;

    Without considering curvature effect, we study the contribution of the electronic heat capacity, group velocity and density of states of(6,0)Single-walled carbon nanotubes.

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  • 示踪试验表明锥形填料生物床完全混合式

    The tracer agent test shows that the flow pattern in the Pipe-cone Shape filter bio-bed is complete mixing.

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  • 介绍了一种采用适应技术开关稳压电源电视发射机大功率发射灯丝平滑上电压,有效提高了发射使用寿命。

    The switch mode regulated power supply using self - adjusting technique is introduced. In TV transmitter, it is used to the large power transmit-ting tubes with variable voltage for cold filament.

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  • 本实验根据原理改造原有的提升中试实验装置,使可以加压条件下稳操作

    According to particle fluiding principle, we revamp the pilot scale test riser to make it operate smoothly in the boosting pressure.

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  • 模型考虑载流子速度饱和现象寄生双极性晶体影响获得了下LDMOS漂移中的电场分布

    The model considers the drift velocity saturation of carriers and influence of parasitic bipolar transistor. As a result, electric field profile of n drift in LDMOS at on state is obtained.

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  • 电源开关应用垂直场效应技术确保最佳

    The power switches utilize vertical MOS technologies to ensure optimum on state resistance.

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  • 实验结果表明,技术能够有效降低多晶硅薄膜界面密度提高多晶硅薄膜晶体性能

    The interface state density of poly-Si thin film was reduced and the properties of poly-Si thin film transistors were improved using this technique.

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  • 本文叙述一种分离大气颗粒汞的扩散采样方法,将它传统膜过滤测得的结果进行比较。

    A denuder-based method for sampling and separating gaseous and particulate mercury in the air was described. The comparison results for denuder and a traditional filtration method were presented.

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  • 给我们一个启示,可以利用碳纳米限域效应改善或者提高多相催化反应的催化性能,因为这些催化反应低价金属反应的活性物种

    This provides a novel approach to tune the catalytic behaviors of metal catalysts for the involving hydrogen reactions, which are sensitive to the electronic state of the active components.

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  • 以6061t1(挤压退火)铝合金为研究对象,探讨工艺参数轴对称径旋压成形影响

    Investigating the tubes of 6061t1 aluminium treated by both the extrusion and anneal, the effects of forming parameters on neck-spinning process of 3d non-axisymmetric tubes are presented.

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  • 以6061t1(挤压退火)铝合金为研究对象,探讨工艺参数轴对称径旋压成形影响

    Investigating the tubes of 6061t1 aluminium treated by both the extrusion and anneal, the effects of forming parameters on neck-spinning process of 3d non-axisymmetric tubes are presented.

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