1) zigzag open-ended nanotubes
锯齿型开口纳米管
1.
For the regularity of single-walled open-ended nanotubes,in this paper,when the circumference(or diameter) and the length of nanotubes are given,Randic index of zigzag open-ended nanotubes and armchair open-ended nanotubes are obtained.
针对单壁开口碳纳米管的规则性,当给定纳米管的周长(或直径)和长度时,得出了常见的锯齿型开口纳米管和扶手椅型开口纳米管的Randi'c指数的计算公式。
2) zigzag SWNTs
锯齿型单壁碳纳米管
1.
First-principles calculations within the generalized gradient approximation(GGA) are carried out on the energy gaps of both isolated zigzag SWNTs(7,0),(8,0),(9,0),(12,0) and their corresponding bundles in this paper.
本文采用基于广义梯度近似(GGA)的第一性原理方法,对锯齿型单壁碳纳米管束(7,0)、(8,0)、(9,0)、(12,0)及其相应的孤立管的能带结构和能隙进行理论计算。
2.
In this paper,first-principles calculations within the generalized gradient approximation(GGA) are carried out on the band gaps of zigzag SWNTs(7,0)(8,0)(9,0) and(12,0).
本文采用基于广义梯度近似(GGA)的第一性原理方法,对锯齿型单壁碳纳米管(7,0)、(8,0)、(9,0)、(12,0)的能带结构和能隙进行理论计算。
3) Zigzag carbon nanotubes
锯齿形碳纳米管
1.
This paper represents the band structure of Zigzag carbon nanotubes by using of tight binding approximation method, analyzes the energy band structure and explains qualitatively the electric propertie
用紧束缚近似方法给出锯齿形碳纳米管的能带,对其能带结构进行了分析,并对其电学性质作出定性的解释。
4) open-ended nanotube
开口纳米管
5) armchair open-ended nanotubes
扶手椅型开口纳米管
1.
For the regularity of single-walled open-ended nanotubes,in this paper,when the circumference(or diameter) and the length of nanotubes are given,Randic index of zigzag open-ended nanotubes and armchair open-ended nanotubes are obtained.
针对单壁开口碳纳米管的规则性,当给定纳米管的周长(或直径)和长度时,得出了常见的锯齿型开口纳米管和扶手椅型开口纳米管的Randi'c指数的计算公式。
6) open carbon nanotube
开口碳纳米管
1.
With the image charge model,we calculated the potential and local electric field at the top of open carbon nanotube located in the applied electric field and obtained the field enhancement factor γ=2(2h/ρ+1)/[ln16(1+16R2/ρ2)]-1.
利用镜像电荷模型计算了处于外加电场中开口碳纳米管顶端的电势和场强,得到电子发射场增强因子为γ=2(2h/ρ+1)/[ln16(1+16R2/ρ2)]-1。
补充资料：管状定向碳纳米管
纳米本意是一种长度单位,纳米材料是指材料的尺寸处于1~100nm范围内的金属,金属化合物,无机物或高分子的颗粒,对纳米材料的研究和开发依赖于能看清原子或分子世界的仪器,1993年12月中国科学院庞世瑾教授在硅表面搬走了原子,写下了"中国"的字样,人类按需要排布一个个原子的技术成为现实,前不久,我国科学家成功合成了3nm长的管状定向碳纳米管,长度居世界之首,这种碳纤维具有强度高,刚度(抵抗变形的能力)高,密度小,熔点高,化学稳定性好的特点.
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条