optical absorption spectroscopy 中文意思是什麼

optical absorption spectroscopy 解釋
光學吸收光譜法
  • optical : adj 眼的；視覺的；視力的；幫助視力的；光學（上）的。 optical activity 【物理學】旋光性。 an optic...
  • absorption : n. 1. 吸收，合併。2. 專心，一心不亂，熱中 （in）。3. 〈口語〉飲食。
  • spectroscopy : n. 【物理學】分光術，光譜學。n. -ist
  1. Since applied in atmosphere monitoring at the end of 1970 ` s, differential optical absorption spectroscopy （ doas ） have made quiet great progress

    差分吸收光譜技術（ doas ， differentialopticalabsorptionspectroscopy ）自20世紀70年代末被人們應用於大氣氣體監測以來，在這方面已經取得了長足的發展。
  2. The studies on optical properties and irradiation effect of heavy ion implanted samples are very important from both theoretical and applied view points. in this work, the optical properties and defect structures in xe + - implanted ysz and ni + - implanted al2o3 were studied by using optical spectroscopy, tem, xps and trim 96 calculation. it was found that 1 ) a broad absorption band centered at 522 nm was observed in 1 1016 cm - 2 xe + - implanted ysz

    離子注入是一種重要的表面改性技術， ysz （ yttria - stabilizedcubiczirconia ）和- al _ 2o _ 3是兩種性能優良的陶瓷，前者是目前發現的最抗輻照的絕緣體，而後者則是抗輻照最差的絕緣體材料之一，研究重離子注入對其光學性能的影響並以此研究輻照效應，有重要的理論意義和應用價值。
  3. Either the boron nitride ( bn ) thin films with different cubic phase content were deposited on n - type si ( 111 ) and fused silica substrates by radio frequency ( rf ) sputtering using two - stage deposition process. the films were characterized by fourier transform infrared ( ftir ) spectroscopy. the transmittance te ( ) and reflectance re ( ) were obtained as a function of incident photo wavelengths and the thickness of films was measured by alpha - step. the absorption coefficient was calculated from te ( ) and re ( ). the optical band gap ( eg ) of the films was determined by effective medium form of formula containing eg

    本文還研究了立方相含量與光學帶隙的關系，在n型si （ 111 ）片和熔融石英片上沉積出不同體積分數的立方氮化硼薄膜，薄膜的成分由傅立葉紅外吸收譜標識；用紫外-可見分光光度計測量了沉積在石英片上的bn薄膜的透射光譜te （ ）和反射光譜re （ ） ，薄膜的厚度用臺階儀測得。
  4. We also report the uv - visible optical absorption spectra of these colloids. to the metal plate prepared simultaneously, the measurement result of sem and afm of this plate is also reported and the roughness of the silver plate surface is about 60nm. both the colloids and the nano - scale metal surface can become the very perfect sers substrates. rhodamine b, a kind of strong fluorescence laser dye, with gold colloidal surface, has been studied by surface - enhanced raman spectroscopy ( sers ) with near - infrared ( nir ) excitation in the presence of the halide ions ( cf, br -, f )

    利用透射電子顯微鏡（ tem ） ，對膠體粒子的尺寸大小及形態進行了觀測，表明這些膠體為粒徑介於5 35nm的納米體系，並對該膠體體系進行了紫外?可見吸收光譜的研究；在制備出金屬膠體的同時，經過激光照射后的金屬表面為納米量級的粗糙表面，對該表面進行了掃描電鏡（ sem ）及原子力顯微鏡（ afm ）的測量，結果顯示該表面的粗糙度平均為60nm 。
  5. The main works and results we have accomplished are as follows : 1 ) red - detuned locking of cooling / trapping laser to the cycling transition of cesium cooling has been accomplished by means of a double - passed acoustic - optical frequency shifting system and the technique of saturated absorption spectroscopy. the short - term residual frequency jitter is less than 350khz ; 2 ) automatic controlling system by computer programs has been established for laser cooling and trapping and cavity qed experiment. the laser and magnetic fields can be controlled by the acoustic - optical modulator and the electronic - controlled logic gate respectively

    具體如下： 1 ）採用了往返兩次通過的聲光頻移系統結合飽和吸收光譜技術的實驗方案，實現了冷卻俘獲激光頻率相對于銫原子冷卻循環躍遷的負失諧鎖定，短期頻率穩定度約在350khz以內，並可方便地調節其負失諧量而無須對后續光路再作調整； 2 ）建立了一套基於計算機程序控制的、銫原子激光冷卻與俘獲實驗所需的時序控制系統。
  6. Error analysis and improvement method of concentration measurement of trace gas in the atmosphere by differential optical absorption spectroscopy

    基於可調諧二極體激光吸收光譜學對二次諧波檢測噪聲分析研究
  7. X - ray diffraction ( xrd ), uv - vis absorption spectroscopy and photoluminescence spectroscopy ( pl ) were employed to study the structural and optical properties of mgxzn1 - xo alloy thin films. the experimental results show that the films were hexagonal wurtzite structure and the band - gap of mgxzn1 - xo alloy thin films gradually increased with increasing mg content. the quality of mgxzn1 - xo alloy thin films can be greatly improved by means of annealing in oxygen ambient

    實驗結果表明，利用溶膠-凝膠法制備的mg _ xzn _ （ 1 - x ） o納米薄膜為六角纖鋅礦結構，粒徑為3 5nm ，隨著mg含量的增加帶隙變寬；通過在氧氣氣氛下退火處理后， mg _ xzn _ （ 1 - x ） o納米薄膜表現出了較好的結構和發光特性，表明熱處理可提高薄膜質量。
  8. Differential optical absorption spectroscopy method for online emissions monitoring system

    差分吸收光譜法在線測量排放煙氣濃度研究
  9. Based on the above work, the optical absorption and photoluminescence ( pl ) properties of a - sinx : h films with different compositions are studied through ultraviolet - visible spectroscopy ( uv - vis ) and time - resolved photoluminescence ( tr - pl ), the dependence of pl intensity decay on emission photon energy is found, the luminescence mechanism of nanosilicon embedded in silicon nitride matrix is presented, finally, the effective approaches to improving the luminescence efficiency of a - sinx : h films are discussed

    在此基礎上，通過紫外-可見光譜（ uv - vis ）技術，時間分辨光致發光譜技術研究了不同組分的富硅a - sin _ x ： h薄膜的光吸收和光輻射特性，得到了材料光致發光衰減和輻射光子能量之間的關系，提出了鑲嵌在氮化硅中的納米硅的發光機制，進而探討了提高納米硅薄膜發光效率的有效途徑。
  10. In this thesis we have expatiated on the methods of the c60 thin films preparation, and the process with vacuum evaporation. the effect, which was caused by different gas pressures and other element doped, on surface morphology, structure and optical properties of c60 films have been studied by using scanning electron microscopy ( sem ), ultraviolet visible optical absorption spectroscopy ( uv / vis ) ( type : uv - 240 ), ellipsometer and x - ray diffraction

    本論文闡述了用真空蒸鍍法制備c60薄膜的方法和過程，研究了在不同氣氛下生長和摻雜對c60薄膜的表面形貌、結構和光吸收特性的影響；用xl30fge型掃描電鏡對c60薄膜表面形貌進行觀察；用uv - 240型紫外可見光雙光束分光光度計進行紫外、可見光吸收測量；用橢偏儀對薄膜進行厚度和折射率測量；用x射線衍射對薄膜結構進行分析。
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