peak wavelength 中文意思是什麼

peak wavelength 解釋
峰值波長
  • peak : vi 1 瘦弱;消瘦,憔悴。2 減少,縮小 (out)。n 1 山峰,山頂;孤山。2 (胡須等的)尖兒;尖端。3 最...
  • wavelength : 【無線電】波長。
  1. Blaze wavelength. the peak wavelength in the typical efficiency curve for a ruled grating. also, for a holographic grating, the most efficient wavelength region

    閃耀波長.常規光柵的典型效率曲線的波峰.對全息光柵而言,則是指最有效的波長區域。
  2. E., the carrier frequency of a gaussian beam deviates from the resonant frequency of a fabry - perot etalon ), variations of the peak intensity, the position of the peak intensity and the dwdm systems, has received considerable attention. in this work, after taking into account the wavelength - depended reflectivity distribution profile of a fiber bragg grating, the oscillation wavelength # _ ( 1 ) of long external cavity fiber bragg grat

    與共振情況(即高斯光束的載波頻率與法布里一拍羅濾波器的諧振頻率一致)相比,非共振條件(即高斯光束的載波頻率與法布里一拍羅濾波器的諧振頻率存在偏差)一透射光束的峰值強度、峰值強度所對應的位置、以及光斑的大小隨入射角的變化都發生了顯著的改變。
  3. Gravity isostasy and topographic wavelength on isostatic isn ' t suitable for gravity estimation on qumolangma peak

    定位在網路覆蓋范圍之外的一定范圍如成都地區可達20
  4. The absorption characteristics was that the surface plasma absorption peak appeared around 570 nm shifted to a short wavelength and strengthened as the cu composition increased. but the maximal shift range of the absorption - edge preponderated over 500 nm, and leaded that the dipolar plasma resonance absorption peak were covered up and gradually disappeared in the absorption spectrum. we theoretically explained the mechanism of the modulating action

    實驗觀察到cu表面等離子體共振吸收峰位在570lun附近的吸收邊頻移量超過了500nln .理論分析表明,吸收峰位的移動主要源於偶極共振,而峰形的寬化主要由納米粒子的表面效應和量子尺寸效應引起
  5. The experimental results showed that the characteristic pl peak of quantum wells was shifted to longer wavelength ( red shift ) and the intensity was decreased much after fel irradiation

    分析光致發光譜,發現量子阱特徵峰經過輻照后峰值發生紅移,波形展寬,峰高降低。
  6. Under visible light excitation titanic acid and titanate sodium nanotubes showed a relatively intense emission, which red shifts with the increase of excitation wavelength. under humid conditions this photoluminescence of titanic acid nanotubes was not stable. the intensity decreased, and the emission peak was at 480nm, which cannot shift with the change of excitation wavelength

    鈦酸和鈦酸鈉納米管在使用可見光激發時,都能產生光致發光現象,當使用不同波長的可見光激發鈦酸和鈦酸鈉納米管時,能夠得到不同強度的發光譜帶,且發光峰的位置隨著激發光的變化發生較大范圍的移動。
  7. General in biochemical analyser test process, firstly, use biochemical reactions hin color response to statistical samples in a particular wavelength solution with the greatest absorption peak, and then use ultraviolet and visible spectroscopic measurements to test the absorbency of material to the specific wavelength, the final adoption of bill law to calculate the corresponding material concentrations

    由於利用了以上先進技術,儀器的測量速度和精度都有了大大的提高,目前新型生化分析儀0 . 2秒即可完成一個樣本點的測量,並已經成功實現了雙波長測量法,提高了測量結果的精度。
  8. The preliminary conclusion shows that the maximum rate of compression ratio changes is about 2 % and the change rate is less when the peak - to - valley value of wavefront aberration is less than a quarter of wavelength and incident angle is properly

    脈沖壓縮光柵對系統達到衍射極限時,在選擇適當的入射角度時,光柵波像差所引起的脈沖壓縮比變化並不大。
  9. The gel by sodium alcoholate method, added benzoylacetone, have the obvious uv absorption peaks at 265nm and 337nm respectively. when the gel was placed in air, the chelate did n ' t have change. the absorption peak decreased until disappeared when the films were irradiated by the ultraviolet light with the relevant wavelength, which indicated that the films were obviously photosensitive

    ( 4 )通過三種方法制備感光性的sno _ 2 : sb ( ato )溶膠,採用醇鈉法,添加苯酰丙酮制備的二氧化錫凝膠膜,在265nm和337nm處存在明顯吸收峰,空氣中放置,所形成的螯合物不發生變化,用相應波長的紫外光照射時,這個吸收峰會減小直至消失,表明薄膜具有良好的感光性。
  10. The effective excite wavelength range is 350 - 355nm for the exciton - exciton collision peak and we observed a blue emission peak at about 472nm caused by zinc vacancy. 3

    對激子-激子碰撞峰來說,有效的激發波長在350 - 355nm處,同時在472nm左右存在有一個由鋅空位造成的深能級的藍光發射峰。
  11. The conclusions are as listed below : compared with absorption of fc16ab in chloroformon, the absorption peak of fcifrab in lb films shifted toward the shorter wavelength region, suggesting that some interaction among molecules due to the close molecular packing such as h - aggregates in the lb films. comparing uv - vis spectra of fc16ab in lb films deposited from cl - subphase with from aqueous subphase, this blue shift phenomenon of absorption demonstrated cl - made the compactness of fc16ab lb films increasing. ft - ir spectra of fc16ab in lb films at different temperature showed that there is a gradual disordering of alkyl chain from 27 ? to 200 ?, but no district phase transition appeared

    結論如下:紫外-可見光吸收光譜說明:與fc _ ( 16 ) ab氯仿溶液相比, lb膜的吸收光譜發生了藍移,這歸結于fc _ ( 16 ) ab發生了h -聚集以及抗衡離子可以使fc _ ( 16 ) ab的lb膜排列更緊密;變溫紅外光譜說明,隨著溫度升高, fc _ ( 16 ) ab的lb膜中烷基鏈的有序排布程度減弱,這表明該lb膜熱穩定性減弱,但在減弱的過程中沒有出安徽人學申請碩士學位論文摘要現相轉變。
  12. This paper study a new kind of encoding fiber bragg grating sensing system, it introduces a new dimensions encoding fiber grating sensing multiplex method, as is to fabricate two or more fbgs with different peak wavelength in the same location of the fiber, called encoding fbg

    本課題研製一種編碼式光纖光柵傳感檢測系統,該系統引入多維編碼光纖光柵傳感復用新方法。在光纖的同一位置,製作兩個或者兩個以上不同波長的光纖布拉格光柵,稱之為編碼式光纖光柵。
  13. Test method for wavelength of peak photoluminescence and the corresponding composition of gallium arsenide phosphide wafers

    磷化砷化鎵片的最大光致發光波長及其相應成分的試驗方法
  14. 1 the uv lamp used should be operating at the wavelength of uvc range i. e. 280 - 100 nanometer with peak effect

    1所採用的紫外光燈必須能夠釋放出紫外線波段介乎
  15. The wavelengths of reflectance peaks and vales are got by spectral derivative method in section 3. 3. mechanism of them is analyzed. red tide and normal seawater, as well as some different dominant species of red tide, such as chattonella marina and mesodinium rubrum, can be discriminated by using the wavelength information of second reflectance peak

    3 . 3節運用該方法得出了實驗赤潮水體光譜曲線的兩個反射峰和一個吸收峰的波長范圍,並對其產生機理進行了分析;更為重要的是,利用光譜曲線第二反射峰的波長位置實現了赤潮與非赤潮水體的光譜辨別,以及紅色中繞蟲、海洋褐胞藻等不同優勢種類赤潮的識別。
  16. Linear frequency modulated continuous wave ( lfmcw ) radar has many characteristics of simple structure, small volume, light weight, low cost, low transmitter peak power, short wavelength, thus it is especially suitable to be used in radar image, research of target characteristic, end control and guide, battlefield spy, scene watch etc. and more people in the world interested in it, it will have a wide prospect

    線性調頻雷達具有結構簡單、體積小、重量輕、造價低、發射峰值功率低、波長短等一系列優點,特別適合於雷達成像、目標特性研究、末制導、戰場偵察和場面監視等領域,目前已受到國內外的廣泛重視與研究,應用前景十分誘人。
  17. Reference lens, which can produce spherical wave front whose optical quality is better than / 20 by peak - valley value in wavelength, is an important part of " 95 " defense system project in measurement and testing

    標準球面透鏡能產生峰谷值優于/ 20的球面波,是國防系統「九五」計量測試項目重要的研究內容之一。
  18. By use of g. d. shen ' s tunneling cascade theory we have fabricated high performance and high power tunneling cascade ingaas / gaas / algaas 950nm / 990nm double wavelength strained quantum well lasers on the basis of former tunneling cascade high power lasers and high brightness light emitting diodes. the lasers " two peak wavelength are 95 ? nm and 990 ? nm. el spectrum ' s fwhm is 3nm

    在以往隧道級聯大功率應變量子阱激光器及高亮度發光管的理論研究與實驗的基礎之上,採用沈光地教授提出的隧道級聯思想,成功研製出基於ingaas gaas algaas材料的高性能大功率隧道級聯950nm及990nm雙波長應變量子阱激光器,激射波長分別為952 2nm和990 2nm , el譜的譜線寬度約3nm ,未鍍膜器件單面最大輸出光功率可達2w以上,閾值電流最低達120ma 。
  19. Abstract : polyphenylacetylenes were synthesized by rn ( nbd ) cl 2 and wcl6 / ph4sn catalyst systems in n2 at room temperature. polymers with high yield and high molecular weight were obtained. their structures were characterized by uv, ir, nmr and gpc, respectively. the fluorescence of the polymer solution with different concentration was investigated using variable excitation wavelength from uv to visible region. the relation between fluorescence and polymer structure was studied. the results showed that the molecular chain structure has great influence on fluorescence of the polymers. the emitting peak wavelength of fluorescence for the polymer of high stereoregularity is independent of solution concentration and excitation wavelength. the emitting peak wavelength of fluorescence for the polymer with disordered molecular chain arrangement varies with changing the solution concentration and excitation wavelength, and different emission sites in molecular chains and low emitting yield are shown. the measurement and analysis of fluorescence spectroscopy of polyphenylacetylenes may provide some useful information to judge the molecular chain arrangement in some conjugated polymers

    文摘:使用有機金屬銠、金屬鎢/四苯基錫催化劑體系聚合苯乙炔,分別獲得了高產率和高分子量的聚苯乙炔.使用uv , ir , nmr , gpc等分別對聚合物結構進行了表徵.採用不同波長的激發光對聚合物熒光性能進行研究,詳細分析了聚合物結構與熒光性能之間的關系.研究結果發現,不同聚合物結構對聚合物熒光性能產生很大影響,規整性高的聚合物,將有較高的發光量子效率;聚合物規整性差,將可能導致多個熒光發光結構點,其熒光強度降低.聚合物熒光光譜研究將對某些共軛聚合物結構的規整性分析提供一些有用的信息
  20. The peak wavelength of the radiation equals the radius of the hole ; for a one - kilogram hole, it corresponds to extremely intense gamma rays

    最強輻射所對應的波長等於黑洞的半徑;對於一公斤的黑洞而言,所對應的是極強烈的射線。
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