首先,基于紧束缚模型研究了非磁性点缺陷对金属型单壁碳纳米管态密度和电导的影响。
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.
问题是,用来制造逻辑电路的晶体管中保留着它们的电子态,因此当这些晶体管通电的时候,它们会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.
因此,这就意味着激子从纳米管外层流向内层,并以较低(但仍为激发态)的能态存在于纳米管中。
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.
这些能量态的水平代表0或者1,就像传统计算机使用晶体管的开关状态来代表数据位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.
在大容量、亚临界自然循环锅炉蒸发系统设计中,有时不可避免地需要部份地采用价格昂贵的内螺纹管,以避免出现膜态沸腾。
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.
热态试验结果表明,铸铜冷却壁与轧制铜冷却壁在热态性能上没有大的区别,冷却能力很好,壁体与埋管间没有气隙热阻。
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.
根据这种方法,我们研究了氢等离子体处理对多晶硅薄膜晶体管禁带态密度的影响。
With this method, the influences of the plasma hydrogenation on the gap state density have been investigated.
系统分析了高炉用新型埋管式铸铜冷却壁的热态性能及热变形。
The thermal properties and deformation of new type cast copper stave with buried copper pipe were studied.
测量结果证明窄频带晶体三极管噪声的振幅分布,和遵守正态律的振幅分布相符合。
It is found that the amplitude distribution of nai-row band semiconductor noise agrees with that of the normal law distribution.
为了研究生物质颗粒在等离子体快速热解液化设备水平携带床热解管中的运动,设计制造了水平携带床冷态模拟装置。
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.
如何获得优质空心管坯使其能够满足在铸态下直接轧制的要求,是实现空心管坯连铸连轧,即管材近终形制造技术的关键。
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.
单壁纳米碳管是近年来材料科学以及凝聚态物理研究的前沿和热点。
Single walled carbon nanotube (SWNT) is a hot and frontier topic of materials science and condensed matter physics in recent years.
本机是利用环孔形对荒管进行冷态轧制的工艺设备。
This machine is the use of annular-shaped tube on the shortage of cold rolling process equipment.
对其主要除氧元件起膜管进行了冷态试验研究,根据试验情况分析了其传热传质特点。
Based on the cold experimentation on rotating-film tube that principal deaerating component of this deaerator, heat and mass transfer characteristics was analyzed.
在忽略卷曲效应的情形下,计算(6,0)管的电子能量、群速及能态密度三个参量,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.
示踪剂试验表明管锥形填料生物床的流态为完全混合式。
The tracer agent test shows that the flow pattern in the Pipe-cone Shape filter bio-bed is complete mixing.
介绍了一种采用自适应技术的开关型稳压电源,对电视发射机大功率发射管的冷态灯丝平滑上电压,有效提高了发射管的使用寿命。
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.
本实验根据流态化原理改造了原有的提升管中试实验装置,使其可以在加压条件下稳态操作。
According to particle fluiding principle, we revamp the pilot scale test riser to make it operate smoothly in the boosting pressure.
该模型考虑了载流子的速度饱和现象和寄生双极性晶体管的影响,获得了开态下LDMOS漂移区中的电场分布。
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.
电源开关应用垂直场效应管技术来确保最佳的阻态。
The power switches utilize vertical MOS technologies to ensure optimum on state resistance.
实验结果表明,该技术能够有效降低多晶硅薄膜的界面态密度,提高多晶硅薄膜晶体管性能。
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.
本文叙述一种分离大气中气态汞和颗粒态汞的扩散管采样方法,将它与传统的滤膜过滤法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.
这给我们一个启示,可以利用碳纳米管的限域效应改善或者提高涉氢的多相催化反应的催化性能,因为这些催化反应中低价态的金属是反应的活性物种。
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.
以6061t1(挤压态及退火态)铝合金为研究对象,探讨工艺参数对三维非轴对称管件缩径旋压成形的影响。
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.
以6061t1(挤压态及退火态)铝合金为研究对象,探讨工艺参数对三维非轴对称管件缩径旋压成形的影响。
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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