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.
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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3. 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.
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4. 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.
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.
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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7. 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.
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8. 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.
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9. 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.
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.
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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12. 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.
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13. 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.
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14. 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.
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15. 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.
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.
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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18. 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.
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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20. 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.
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21. 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.
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.
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.
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.
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.
