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- However,width of forbidden band,bandwidth and quality factor Q of impurity mode vary with the increase of incidence angles evidently. 但是,禁带宽度、杂质模的带宽及Q值随着入射角的增加有明显变化。
- The characteristics of conduction band and forbidden band of photonic crystals are investigated with a macroscopical chord vibrating system indirectly. 得到了类比于光子晶体的亥姆霍兹方程的弦振动系统的本征值方程,并利用该方程研究了光子晶体的导带和禁带特征。
- As a new kind of man-made structure function material, photonic crystals could realize thermal infrared camouflage because of its high-reflection photon forbidden band. 光子晶体作为一种新型人工结构功能材料,基于光子禁带的高反射特性可以实现热红外伪装。
- The result showsthat the PBG structure has obvious character of forbidden band at the suitable size, andcan be designed to good performance microwave filter. 研究结果表面,取合适的尺寸时,PBG结构具有明显的禁带特性,可以设计成性能良好的微波滤波器;
- I can't forbid you/your seeing that man again. 我无法禁止你再和那个男人来往。
- He left when the band began to beat out pop music. 乐队一奏起流行音乐他就走了。
- The band played a military march. 乐队吹奏军队进行曲。
- The result of UV-vis shows that the absorbed valve values of TiO 2(C-Q),TiO 2(S-Q) and TiO 2 (S-dar) are 350nm,360nm and 380nm respectively,and the widths of forbidden band are 3.5,3.44 and 3.2eV respectively. 紫外可见吸收光谱表明TiO2 (C -Q) ;TiO2 (S -Q)和TiO2 (S -dar) 3种样品吸收阈值分别为 35 0 ;36 0和 380nm .;对应的禁带宽度分别为 3
- At room temperature, the forbidden band width and stimulus bonding energy of ZnO single-crystal is 3.37eV, 60meV respectively. Some short-wavelength optoelectronic devices can be developed by applying emitting performances of ZnO single-crystal. 室温下;它的禁带宽度为3.;37eV;激子结合能高达60meV;对应紫外光的发射可以开发短波长光电器件。
- Prisoner is forbid to approach the fence under pain of death. 犯人严禁接近围栏,违者格杀勿论。
- A live band is always a good draw at a party. 现场演奏的乐队在聚会上总是很吸引人的。
- He was waylaid by a band of guerrillas. 他遭到游击队的狙击。
- In the reflected wave, the reflectivity of forbidden band lowers quickly with the extinction coefficient increment, when the extinction coefficient increases to 0.05, there is already no obvious photonic bandgap. 得出:在反射波中,禁带的反射率随消光系数的增加而迅速降低,当消光系数增加到0.;05时,已经不存在明显的能带。
- Radio2 can be heard on the long wave band. 第二广播电台可在长波段收听到。
- There are two reasons for ATO film's conducting, one is oxygen vacancy in the crystal lattice and another is Sb5+ impurity which forms donor level in the forbidden band of SnO2 and offers n-type carriers to conduction band. SnO2晶格的氧空位、5价Sb杂质在SnO2禁带形成施主能级并向导带提供n型载流子是ATO导电的两种主要机理。
- Using the characteristic of refractive index are smaller than 1 in the reststrahlen band,we can produce photonic crystal having forbidden band in the middle infrared and far infrared. 由此可知利用材料在剩余射线带内折射率小于1的特性,我们可以制备出中红外区和远红外区存在禁带的光子晶体。
- Heaven forbid! I'd be the last person to say anything like that about you. 但愿不要这样!我是最不愿意那样说你的。
- The brass band is banging away in the park. 铜管乐队在公园里吹吹打打。
- He has formed a new band with his brother on bass. 他组织了一个新乐队,由他弟弟弹低音吉他。
- Silicon and germanium, for instance, have forbidden bands whose widths are 1. 1 and 0. 65eV, respectively. 例如;硅和锗的禁带宽度分别为1.;1电子伏和0