uv spectroscopy 中文意思是什麼

uv spectroscopy 解釋
紫外光譜學
  • uv : UV = ultraviolet.
  • spectroscopy : n. 【物理學】分光術,光譜學。n. -ist
  1. The refractive index and the changing behaviour of the a - sic : h films were calculated by using uv - vis - nir spectroscopy interference wave and it was found that the hydrogen content and ir transmittance were decreased with y rays irradiation dose. lt is very interesting that the sp ' c - h bonds were observed by the raman spectra for the first time and expand the application scopes of raman spectroscopy in structure analyse fields

    根據uv ? vis ? nir光譜中的干涉條紋,計算出了y射線輻照下a - sic : h薄膜的折射率及其變化趨勢,並由此得出y射線輻照導致其氫含量變小及紅外透過率變小的結論。有趣的是:還首次用raman光譜觀察到了dlc薄膜中sp ~ 3c - h鍵隨輻照劑量改變的變化規律,擴大了其在結構分析領域中的應用。
  2. All data indicated that f i was a pure substance. third, using modern analytic techniques such as nucleic magnetic resonance ( nmr ), infrared spectroscopy ( ir ), ultraviolet visible absorption spectra ( uv ) and mass spectrometry ( ms ), we analyzed the basic chemical structure of f i and nominated it phthalic acid di ( 3 - methyl ) nanyl ester ( pdne ). we estimated primarily it was a novel natural compound

    第三,利用核磁共振,紅外光譜,紫外分析,質譜等現代分析測試技術對分離提取物f進行結構鑒定,解析出f的結構,初步推斷該物質為鄰苯二甲酸- ( 3 -甲基)壬酯( pdne ) ,根據目前所掌握的資料,還沒有檢索到該物質相關的報道,初步認定為一種新型的天然產物。
  3. The experimental method includes selecting pure complexes of histidine - containing or cysteine - containing materials, from c - and n - terminal group of these amino acids to link to a group which have color or fluorescence or ultraviolet absorption, elucidating their binding affinity, fluorescence or uv - visible spectrum properties with zinc at physiological concentration and to elucidate their structure in the solid state via infrared spectroscopy. with the help of the concerned the data, the analysis was done to prove whether it can be applied to the zinc detection, in other words, whether it can be used as a new fluorescence probe for zinc detection

    本實驗首次選用在生物體內與zn ~ ( 2 + )鍵合能力很突出的物質? ?組氨酸和半胱氨酸,採用類似於多肽合成的方法,在其羧基或氨基分別嫁接上一個帶有標記的基團,生成穩定的共價鍵化合物;在此化合物中模擬生理濃度條件加入鋅離子,通過紅外圖譜、紫外圖譜或熒光圖譜的變化分析鋅離子對標記基團是否產生影響,再結合有關數據分析其是否適合檢測鋅離子,即是否可能作為新的鋅離子熒光探針。
  4. Laboratory uv absorbance spectroscopy requires the transmission of uv energy through samples held in cuvettes

    實驗室紫外線吸收光譜法要求紫外光能穿過裝在小型管里的樣品進行傳輸。
  5. Wt has been applied to denoising, data compression, and resolution of overlapping signals in analytical chemistry that includes flow injection analysis ( fia ), voltammetric analysis, high performance liquid chromatography ( hplc ), infrared ( ir ) spectroscopy, mass spectroscopy ( ms ), nuclear magnetic resonance ( nmr ) spectroscopy, ultraviolet - visible ( uv - vis ) spectroscopy, photoacoustic spectroscopy ( pas ), extended x - ray absorption fine structure ( exafs ) spectrum, etc

    在分析化學領域中,小波變換在流動注射分析、伏安分析、高效液相色譜、紅外光譜、質譜、核磁共振譜、可見紫外光譜、光聲光譜、擴展x -射線吸收精細結構( exafs )譜等分析化學信號的平滑濾噪、數據壓縮、重疊信號解析等方面都有成功的應用。
  6. The composition, structure, and properties of the as prepared composite films have been characterized in detail by uv - vis, ftir, and x - ray photoelectron spectra, ellipsometry, scanning electron microscopy, atomic force microscopy, transmission electron microscopy, fluorescence spectroscopy, and standard four - probe technique

    採用uv - vis光譜、 ftir光譜、 x -射線光電子能譜、橢圓光度法、掃描電子顯微鏡、原子力顯微鏡、透射電子顯微鏡、熒光光譜和標準四探針技術對所制備的納米復合膜進行了組成、結構和性能表徵。
  7. 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 。
  8. 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
  9. 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。
  10. The uv - vis - nir spectroscopy and tauc method are used to calculate the optical gap of dlc films. the result that hydrogen content is 10 ~ 25al % is deduced by the data of the optical gap and fully constrained network ( fcn ) model. thus, a new method, by which the hydrogen content of the dlc films can be determined, was obtained by the auther

    由於薄膜中氫的含量與結合狀態直接決定其結構與特性,本文利用uv ? vis ? nir光譜及tauc方法計算得到dlc薄膜的光學帶隙,並根據光學帶隙數據及完全抑制網路( fcn )模型獲得了樣品氫含量為10 25這一結果,從而提出了一種簡單確定dlc薄膜中氫含量的新方法。
  11. This conclusion is also been proved indirectly by the uv - visible spectroscopy of the systems above

    同時利用紫外?可見吸收光譜間接證明了這一結論。
  12. 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。
  13. The kinetic characteristics of the electrochemical oxidation of adrenaline to adrenochrome was studied by uv - vis spectroscopy. the measurements showed that the electrooxidation of adrenaline to adrenochrome was typical of the first order reaction and the average apparent rate constant is 1. 92110

    以紫外-可見分光光度法為主要手段,研究了腎上腺素電氧化生成腎上腺素紅的反應動力學特徵。研究結果表明:該反應具有一級反應的動力學特徵,且反應的表觀反應速率常數的平均值為1 . 92110
  14. 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。
  15. These laboratories use a number of advanced analytical technologies, including flow injection analysis for nutrients, inductively coupled plasma - atomic emission spectroscopy and inductively coupled plasma - mass spectrometry for metals, and gas chromatography - mass spectrometry and a uv detector coupled with a fluorescence detector for trace organics

    兩間化驗所應用先進分析技術分析樣本中各類參數,分析方法包括流動注射分析法分析養分電感耦合等離子-原子發射光譜法電感耦合等離子-質譜法分析金屬,以及氣相色譜-質譜法和紫外光螢光檢測法分析痕量有機物。
  16. The company has a strong quality guarantee team and advanced testing equipment, including atomic absorption spectroscopy and high - performance liquid chromatography, gas chromatography, uv spectrophotometer etc

    公司擁有強大的品質保證團隊和先進的檢驗儀器,包括原子吸收光譜儀和高效液相色譜儀,氣相色譜儀,紫外分光光度計等。
  17. In this work, we have synthesized 5 new compounds in which there are 3 with the electrochromic structures in it., eg, pyrrolyl substituted 4, 4 ' - bipyridinium derivatives. the all 5 structures have been confirmed by h1 - nmr, ir, uv - vis etc spectroscopy techniques.,

    通過對合成機理的詳細研究,合成條件的不斷改進,獲得了五種新化合物,並用h ~ 1 - nmr , ir , uv - vis等對其結構進行測試,證明其為目標產物。
  18. In the present dissertation, nanocomposite thin films and extended molecular devices were prepared via the electrostatic self - assembly monolayer technique. the structures and the properties of the thin films were studied by uv - vis spectroscopy, x - ray diffraction spectroscopy, x - ray photoelectron spectroscopy, laser raman spectroscopy, atomic force microscopy, fiber optic experimental setups and so on. a novel fiber optic humidity sensor based on the self - assembled polyelectrolyte multilayer thin films was presented, and other thin film devices were also described

    在對納米復合薄膜研究的重要性及自組裝薄膜技術的發展動態進行綜合分析的基礎上,開展了利用靜電吸附自組裝技術制備納米復合薄膜及廣義的分子器件的研究,採用紫外-可見光光譜儀、 x射線衍射儀、 x射線光電子能譜儀、激光拉曼光譜儀、原子力顯微鏡、光纖光學系統等研究了復合薄膜的結構與性能,研製了一種光纖濕度傳感器和其他薄膜器件。
  19. In this study, on the base of the present status and future development of semiconductor materials for solar cells, we have carried out the work to compose film structures of si - based materials by theoretical analysis and experimental methods, which have potential application in modules of solar cells. the processing, features of microstructure and optical properties of the designed si - based thin films have been studied in detail by employing methods of xrd, sem, afm, tem, raman, ftir, uv - vis, pl, and ellipsometry spectroscopy ( se )

    本文在全面總結目前太陽電池材料的研究現狀和其未來發展趨勢的基礎上,系統地從理論和實驗兩方面對應用在太陽電池板上的si基薄膜材料的結構進行了設計,用超高真空磁控濺射儀研究了其制備工藝,用了xrd 、 sem 、 afm 、 tem 、 raman 、 ftir 、 uv - vis 、 pl和橢圓偏光儀( se )等分析手段研究了薄膜的相結構、微觀組織特徵和其所具有的光性能。
  20. Derivative was studied using surface electrochemistry of dna modified electrode and uv - vis spectroscopy. it was found that the absorbed band of c

    發展了一種新的研究方法,即dna修飾金電極表面電化學方法,結合紫外光譜研究了一種水溶性c
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