visible band 中文意思是什麼
visible band
解釋
可見頻帶-
Light visible to human eyes however occupies only a very narrow band in the whole electromagnetic spectrum
然而，人眼可見的光在整個光譜中只佔一個非常狹窄的頻段。 -
It is transparent in a region from the visible to the infrared range ( 0. 45 - 13 ? m ) and has a fitful birefringence and a large nonlinear coefficient. aggas2 crystal can be made to be octonary device, difference - frequence device and parametric oscillator, and laser sources of different frequences in 1. 8 - 11 ? m band can be provided
其紅外透波范圍寬（ 0 . 45 - 13 m ） ，具有適宜的雙折射率和大的非線性系數，可製成倍頻、差頻和光參量振蕩器件，在1 . 8 - 11 m范圍內可提供多種頻率的激光光源。 -
Astronomers could gain only a biased idea of the universe when they were limited to the narrow wavelength band of visible rays.
由於只能在可見光的狹窄波段內觀測，天文學家關于宇宙的概念顯然只能是片面的。 -
This direct band - gap material has a large exciton binding energy ( 60mev ), which permits excitonic recombination even at room temperature. thus zno is attracting much attention as promising candidates for optoelectric applications in visible and ultraviolet regions
它有較高的激子束縛能（常溫下為60mev ） ，使得其在室溫下可以發射紫外激光，因此作為新一代的半導體發光材料受到廣泛關注。 -
Zno film is a novel - direct compound semiconductor with wide band gap energy of 3. 37ev and a exciton binding energy 60mev at room temperature. due to its the prerequisite for visible or ultraviolet light emission at room temperature, it has the tremendous potential applications for ultraviolet detectors, leds, lds. zno thin film is used widely and effectively in the fields of surface acoustic wave devices, solar cell, gas sensors, varistors and so on because of its excellent piezoelectrical performance
室溫下禁帶寬度為3 . 37ev ，激子束縛能為60mev ，具備了室溫下發射紫外光的必要條件，在紫外探測器、 led 、 ld等領域有著巨大的發展潛力； zno薄膜以其優良的壓電性能、透明導電性能等使其在太陽能電池、壓電器件、表面聲波器件、氣敏元件等諸多領域得到廣泛應用。 -
Hydrogen, fluorin, carbon and oxygen are familiar elements in ps confirmed by different experiments. porous silicon can radiate strong near infrared, visible and near ultraviolet light, but whole s band is most interested in
經過陽極化處理后得到的多孔硅能發射較強的近紅外、可見和近紫外光，而人們最關注的是ps在整個可見光波段（ sband ）的發光。 -
The collar band must not visible at back when wear
衣服穿著時下級領不能外露。 -
Bulk silicon, with indirect band gap of 1. 12 ev, does n ' t emit visible light at room temperature
本體硅為間接禁帶半導體，且禁帶寬度比較窄（ 1 . 12ev ） ，在室溫下很難發可見光。 -
These are : a shimmering reflective band, visible on the reverse on tilting the note, showing " hk10 " and bauhinia flowers
反光色帶在強光下斜看鈔票時，會看到反光色帶上有字樣及洋紫荊花圖案 -
Gets or sets a value indicating whether the band is visible to the user
獲取或設置一個值，該值指示帶區對于用戶是否可見。 -
With increasing the inputting rf power further, the intensity of visible band emission increase, on the contrary, the intensity of uv band decreas. the surface also becomes rough as further increasing rf power
然而隨著射頻功率的進一步增加，薄膜的結晶質量降低，紫外發光變弱，深缺陷發光增強，薄膜的表面平整度變差。 -
The zno particles are excited by ultraviolet ( uv ) exciting light ( 365 nm ), showing two photoluminescence ( pl ) peaks / bands, centered at 2. 90 ev ( blue ) and 2. 23 ~ 2. 41 ev ( yellow - green ), respectively. the intensity of the yellow - green band was reduced after the product had been annealed in n2 and o2 at 350 c for 1h. ultraviolet visible absorption spectrum shows that the zno absorbs ultraviolet light intensely
對于復合h ps zno結構的發光機制，認為是納米h價帶中的電子在紫外光的激發下，躍遷到zno的導帶，從而處于激發態，由於多孔硅的導帶比氧化鋅的導帶低， zno導帶中處于激發態的電子很快躍竄到多孔硅的導帶，然後再與h價帶中的空穴發生復合，發出可見光。 -
Generally, the gravity introduced deformation of an optical lens with smaller aperture ( < ( 100mm ) within visible band is about ( / 20 even less than this value. for general optical lens, this error level can be entirely neglected. but for the high - accuracy optical system within extreme ultraviolet band, the error caused by gravity deformation will lead to imaging quality degradation
本文較為系統地介紹了光學鏡頭的裝配與調校方法，一般地講，在可見波段內，光學鏡片口徑較小（ < 100mm ）時，重力引起的變形一般/ 20左右甚至更小，對於一般的光學鏡頭這樣量級的誤差完全可以忽略，但在極紫外短波長的高精度光學系統中重力變形帶來的誤差會使光學系統成像質量下降。 -
The uv - visible absorption spectrum showed the as - prepared aam templates were transparent within visible light, and the pl curve showed the as - prepared aam templates had a blue pl band in wavelength range of 400nm ~ 60qnm which originated from singly ionized oxygen vacancies
從光致發光特性曲線發現，納米孔陣列aam在400一600nm之間有一個藍色發光帶，該發光帶來源於單離子氧空位。 -
It is proved that it has many attractive features ( 1 ) its applicable spectral range is broad, many liquid crystals have very large birefringence and good transparency in both near ultraviolet band, visible band and infrared band
本文重點研究了可調諧液晶電光濾光片，它的主要優點有： 1 、可應用的光譜范圍特別寬。許多液晶在紫外、可見光、紅外都具有較大的雙折射率和良好的透射性。 -
The nano - zno had high transparence property in the band of visible light, while the commercial zno powder was opaque. at the same time, nano - zno had wide absorption frequency as well as good absorption effect within the ultraviolet band. with the decreasing of the diameter of nanometer particle, blue shift of absorbing peak was observed
結果表明：納米氧化鋅在中紅外頻段與普通氧化鋅的吸收能力相當，但由於納米氧化鋅的表面效應，其中紅外吸收峰形狀與普通氧化鋅不同；在可見光區，納米氧化鋅具有普通氧化鋅所不具備的高透光性；而在紫外光區，納米氧化鋅具有很寬的吸收頻段和優異的吸收性能，同時，隨粒徑的減小，吸收峰發生藍移。 -
Vanadyl phthalocyanine ( vopc ) films prepared by vacuum deposition were annealed under magnetic field. uv - visible absorption results showed that the films annealed under magnetic field showed a q - band red - shift. x - ray diffraction study ( xpj ) ) indicated enhancement in diffraction intensity and shift of peak position
分析表明酞菁氧釩分子uv - vis吸收譜q帶峰值發生較大的紅移； xrd測試中衍射峰強度明顯增強，峰位變化，但峰寬變化不大；原子力顯微鏡（ afm ）分析發現晶粒大小無明顯變化。 -
This method greatly improves the band width of omndirectional band gap, which makes the omnidirectional reflector for the whole visible region possible
不僅極大地提高了一維光子晶體的全方位反射帶，使得製作覆蓋整個可見光波段的全方位反射器成為可能。 -
Their optical properties are characterized by z - can technique, uv - visible absorption spectrum and so on. the experimental results indicate that although large nonlinear refractive index is observed in two pbs / cds systems with different band gap, the sample of bigger band gap exhibit obvious nonlinear absorption in the range of nonresonance
另外，我們改變制備條件，得到了光學帶隙不同的pbs cds納米復合體系，並採用z -掃描技術研究了它們的非線性光學性質。兩個樣品都具有大的非線性折射率，但光學帶隙大的樣品在非共振區域表現出明顯的非線性吸收。 -
( 4 ) light - induced spectral change and its restore processes in the dark in nanocrystalline y2o3 : tb were studied. it was observed that the intensity in 4f5d band increased by ultraviolet and visible irradiation
（ 4 ）研究了光輻照引起的y _ 2o _ 3 ： tb熒光增強現象，觀察到顆粒尺寸越小輻照光波長越短，光誘導熒光增強效果越明顯。
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