forbidden band造句

• 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11电子伏和065电子伏。
• Structure of basic period of one - dimensional photonic crystal and the characters of forbidden bands
  一维光子晶体的基本周期结构及其禁带特征
• Modulation on widening photonic forbidden band of one - dimensional photonic crystal by optical thickness
  光学厚度对一维光子晶体禁带宽度的调制
• 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 65电子伏。
• I find it is useful to create photonic crystals with big complete forbidden bands by changing the translational symmetry of the photonic crystal
  我在这篇论文中把破坏简并制造大的完全禁带的问题转化为改变光子晶体平易对成性问题。
• For n - doped tio _ ( 2 ) , the forbidden band was divided into two ' s , and the cut - off wavelength and the application of solar energy was increased too
  对于n掺杂tio _ 2薄膜来说，禁带宽度裂分为两个“表观”禁带宽度，大大提高了截止波长，提高了对光源的利用率。
• 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。
• Although nearly a few months come , the bounds of lift a ban makes work current an amount and market prise are in growth , but the market was not experienced immediately apparently be restricted to make work current a pressure that sees forbidden band come in succession
  尽管近几个月来解禁的限售流通股数量和市值在增长，但市场显然并未马上感受到限售流通股陆续解禁带来的压力。
• The result shows that the pbg structure has obvious character of forbidden band at the suitable size , and can be designed to good performance microwave filter . the pbg structure have the character of high resistance , that can reinforce the forward radiation , and reduce the backward radiation , increase the directivity , improve the gain and ameliorate the performance of the antenna . in addition , the pbg structure can also greatly increase the isolation and significantly decrease the coupling between the antenna elements
  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； pbg结构具有高阻特性，把这种特性用于微波天线时， pbg结构可以加强前向辐射，减小后向辐射，增大天线的方向性系数，从而提高天线的增益，改善天线的性能，另外， pbg结构还可以大大提高天线单元之间的隔离度，显著减小天线单元间的耦合。
• With the development of science and technology , more and more oxide crystals are synthesized by more and more advanced technique , the new oxide crystals are incessantly synthesized and the new characters of oxide crystals are incessantly founded . corundum dopped with impurity not only is cherished because of it ' s beautiful appearance , but also is used in the fields such as electrotechnics , mechanism , laser , the optic apparatus and the underlay of semiconductor . sapphire dopped with ti3 + is the best material of the tunable solid laser . zno crystal is material of the direct gap semiconductor ( the width of forbidden band : 3 . 37ev ) . the excited emission in zno crystal at room temperature has been found , so the ultraviolet luminescence in zno semiconductor can be acquired at room temperature
  含有少量杂质的刚玉晶体( - al _ 2o _ 3 )不仅由于其色泽艳丽成为人们珍爱的名贵宝石，而且由于它具有的优异性能，被广泛应用于电工、机械、激光器，光学器件和半导体衬底材料。钛蓝宝石是目前最优异的固体宽带调谐激光材料，用于制作飞秒脉冲可调谐激光器。氧化锌晶体是直接带隙宽禁带半导体材料(禁带宽度3 . 37ev ) ，现已发现具有室温下受激发射特性，有可能实现室温下半导体紫外发光。
• Two kinds of filters are presented : by transferring the conventional waveguide cavity filter to the siw , a narrow bandstop filter is designed and simulated , get characteristic of narrow - band bandstop filtering . for example , relative bandwidth 1 . 2 % , most attenuation of 48db in band . electromagnetic bandgap ( ebg ) structures present “ forbidden band ” characteristics , siw features high - pass characteristics , so bandpass filters can be composed by combing ebg and siw
  本论文提出了两种基片集成波导滤波器结构:将传统的腔体滤波器概念运用于基片集成波导结构,设计出了一种窄带带阻滤波器,对其进行仿真,得到了窄带带阻滤波特性,如相对带宽为1 . 2 % ,最大衰减为48db 。
• C60 , a new type of semiconductor material , has many superior properties , such as wide forbidden band , direct band gap , rapid responding time , high optical damage threshold value and wide responding frequency band etc . these capabilities indicate that c60 film will be used widely in computer , integrate optical instrument and storage device etc . however , the preparation and the purification of c60 material affect the large - scale application at all times
  C _ ( 60 )薄膜作为新的半导体材料具备许多优越特性，如禁带宽度大、直接带隙、快速响应时间、高的光学损伤阀值、较宽的响应频带等，这些性能预示了c _ ( 60 )薄膜在计算机、集成光学器件、光存储器等方面具有广阔的应用前景，但c _ ( 60 )材料的制备与提纯还一直是阻碍该新材料投入大规模实际应用的主要因素。