警察在每个过路人身上搜寻禁带品。
折射率的比值越大，则禁带越明显。
The larger the ratio of refraction index, the more obvious is the band gap.
阐述了完全光子禁带的概念。
设计出了具有完全光子禁带的PMC结构。
A PMC structure with a complete photonic bandgap has been designed.
讨论窄禁带半导体带间光吸收跃迁的理论和实验。
The theoretical and experimental aspects of inter-band optical transitions are discussed for narrow gap semiconductors.
光电跃迁效应是窄禁带半导体红外探测器的基本物理过程。
Optical transition effect is a fundamental physical process in the narrow gap semiconductor infrared detectors.
本论文研究了光子晶体禁带与单个周期单元散射特性的关系。
The paper mainly researches the relationship between photonic band gap and scattering characters of single period.
变温实验说明相应发射峰与材料禁带中形成的杂质能级有关。
It is believed that the emission peaks were concerned with impurity level in the bandgap.
目前，对光子禁带特性的研究仍然是该领域的研究热点之一。
Presently, the photonic band gap is one of hotspot in research.
本文改进了半导体两带模型，计算了窄禁带半导体的非线性极化率。
The two-band model is improved and the nonlinear susceptibility of narrow gap semiconductors are calculated in this paper.
讨论了三种旋转操作对TE,TM模式带隙及完全光子禁带的影响。
The effect of rotation on te and TM mode band gaps and absolute band gap is investigated.
同样的，加载电感偏离匹配电感越大，禁带就越宽，同时禁带也越深。
Similarly, the ratio of loaded inductance and the matched capacitance also directly influences the width and depth of the bandgap.
用多重散射法研究了二维光子晶体的结构参量对光子禁带特性的影响。
The influences of the structure parameters of a two-dimensional square photonic crystal on its photonic bandgap properties are investigated with the multiple-scattering method.
它弥补了宽禁带半导体输运性能差的缺点，已研制成大功率的HFET。
It remedies the weakness of low transport properties in wide bandgap semiconductors, based on these properties high power HFETs have been fabricated.
窄禁带半导体碲镉汞红外焦平面列阵研究是当代红外光电子技术的前沿。
The study of the infrared focal plane array based on the narrow gap semiconductors HgCdTe is a hot topic in the field of advanced infrared optoelectronics.
研究表明，氧化钛薄膜具有宽禁带的半导体特性，血液相容性优于热解碳。
The The results indicate that titanium oxide films have wide band gap and better blood-compatibility than LTIC.
声子晶体能够产生完全的弹性波禁带，可以阻止声波或者振动在其内部传播。
Phononic crystal can give rise to complete acoustic band gaps within which sound and vibrations are forbidden.
利用紫外-可见光谱研究了胶体晶的光禁带峰位与组成其微球粒径之间的关系。
The relationship between the stop band of colloidal crystals and the diameters of polymer microspheres were investigated by using UV Vis spectra.
文章主要介绍光吸收跃迁效应在窄禁带半导体红外探测器应用方面的研究进展。
This paper reviews the research on this effect in narrow gap semiconductors for infrared photo-electronic detectors.
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.
光子晶体是周期性介电结构，它能象周期性原子结构中的电子禁带一样，产生光子禁带。
Photonic crystals were periodic optical structures that were capable of generating photonic band gaps, analogous to the way of electronic band gaps generated by periodic atomic structure.
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。
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.
对于不同的三维光子晶体结构，随着介电常数比的增大，完全禁带的宽度和带隙率也会随着增大。
For all three kinds of three-dimensional photonic crystal structures, their band gap width and band gap ratio can be improved with the increase of dielectric constant ratio.
那就好。请你梢等一下，我查验一下啊。好e了。没什么问题。一切都很符合，也没有禁带的物品。
That's good. Please wait a moment and let me have a check. OK. There is no problem. Everything is in line, and there is no forbidden goods.
近年来，随着短波长光电器件的逐渐广泛应用，直接宽禁带半导体材料的研究越来越受到人们的重视。
In recent years, with the extensive application of short wavelength devices, the research of direct wide band gap semiconductor materials attracted more and more attention.
该结构在光子晶体中构成光波导，能使光子禁带中不同的被选择的缺陷态频率的光子以极低的损耗通过。
This structure can form a wave-guide in photon crystals and light can propagate in it with different selected frequency in photonic band gap with low loss.
光子晶体光纤(PCF)是一种具有特殊包层结构的光纤，它是利用光子禁带效应(PBG)来导光的。
The photonic crystal fiber (PCF) with a special envelop structure induces the light by photonic bandgap (PBG) effect.
研究结果表明：一维右手材料和左手材料构成的光子晶体具有宽禁带的特点，禁带中出现多个共振透射峰。
The investigation results show that the band gap of the photonic crystal made of LHM is wide and multi-transmittance peaks appear in the forbidden band.
理论分析表明，非线性TM表面波存在频率通带和禁带，通过调节导波功率可以实现通带和禁带之间的转换。
The theoretical results show that for TM waves there exist frequency passband (s) and stopband (s) which can be switched into each other by varying the power.
理论分析表明，非线性TM表面波存在频率通带和禁带，通过调节导波功率可以实现通带和禁带之间的转换。
The theoretical results show that for TM waves there exist frequency passband (s) and stopband (s) which can be switched into each other by varying the power.
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