光譜專業(yè)英語_第1頁
光譜專業(yè)英語_第2頁
光譜專業(yè)英語_第3頁
已閱讀5頁,還剩2頁未讀, 繼續(xù)免費閱讀

下載本文檔

版權(quán)說明:本文檔由用戶提供并上傳,收益歸屬內(nèi)容提供方,若內(nèi)容存在侵權(quán),請進行舉報或認(rèn)領(lǐng)

文檔簡介

紫外-可見光譜(Ultravioletvisibl,U)SpectrumSpectroscopy光譜法Spectrophotometry分光光度法Wavelength波長microwave微波radiowave無線電波Configurationconformation構(gòu)型;Endabsorption末端吸收Strongband/weakband強帶/弱帶Hyper-chromiceffect/Hypo-chromiceffect增色效應(yīng)/減色效應(yīng)Red/blueshift紅移/藍移Shoulderpeak肩峰Colorimetry比色法紅外光譜(infrared,IR)Absorbanceabsorptivityabsorption吸收;grating光柵Wavenumber波數(shù)Fermiresonance費米共振Hydrogenbond氫鍵Fieldeffect場效應(yīng)Inductiveeffect誘導(dǎo)效應(yīng)ConjugativeeffectStericeffectHyper-conjugation超共軛Transannulareffect跨環(huán)效應(yīng)Symmetrical/asymmetricalStretching不)對稱伸縮振In-plane/Out-of-planeBendingvibration 面內(nèi)/面外彎曲振動Scissoring/rockingBendingvibration (面內(nèi)/搖擺振動Wagging/twistingBendingvibration (面外/扭曲振動chirality手性;chiraldrug手性藥物熒光光譜(Fluorescence)核磁共振譜(NuclearMagneticResonance,NMR)DEPT(distortionlessenhancementbypolarizationtransfer)選擇氫核去偶譜(SPDselectiveprotondecoupling(LSPDlongrangeselectiveprotondecouplingspectrum)噪音去偶譜(PNDprotonnoisedecouplingspectrum)、全氫去偶譜(COMprotoncompletedecouplingspectrum寬帶去偶譜(BBDbroadbanddecouplingspectrum)偏共振去偶譜(OFR)核Overhauser(NOE)HMQCHMBCTOESYNOESYH-HCOSYINADEQUATETOCSYROESYFID(freeinduceddecay)自由感應(yīng)衰減(信號)PFT(pulse-fouriertransfer)脈沖-傅里葉變換IRRRelexation弛豫;Saturation飽和;Chemicalshift化學(xué)位移;couplingconstant耦合常數(shù);integratedpeakarea積分峰面積;質(zhì)譜(Massspectroscopy)MassSpectrum:質(zhì)譜圖(pl.spectra)IONSOURCE(INTERFACE)離子源(接口電子轟擊質(zhì)譜(EIelectronimpactionization)化學(xué)電離質(zhì)譜(CIchemicalionization)場致電離質(zhì)譜(FIfieldionization)場解析質(zhì)譜(FDfielddesorptionionization)快速原子轟擊質(zhì)譜(FABfastatombombardment)電噴霧質(zhì)譜(ESIelectrosprayionization)大氣壓化學(xué)電離(APCI(atmosphericpressurechemicalTSI熱噴霧(thermalsprayionization)PB(particlebeam)粒子束LDI激光解析電離(MALDIMatrixassistantlaserdissociationionization)ICP-MS,電感耦合等離子體質(zhì)譜(inductivelycoupledplasma)MASSANALYZER(質(zhì)量分析器)Doublefocusmagneticmassanalyzerthequadrupolemassanalyzer(四極桿質(zhì)量分析器)Q-MStimeofflightMS,TOF-MS飛行時間質(zhì)譜IontrapMS,IT-MS,離子阱質(zhì)譜FT-ICR,傅利葉變換-離子回旋共振softionizationtechniquesVacuumMassspectrometrywithsoftionizationtechniques

suchaselectrosprayionization(ESI)oratmosphericpressurechemicalbecomeapopulartoolforthestructuralelucidationandquantitationofnaturallyoccurringcompounds.ionization(APCI)hyphenatedto(聯(lián)用)liquidchromatographyhasTheproduction(產(chǎn)物離子)spectrum(譜圖)of......in-sourcecollisioninduceddissociation(in-sourceCID)Thefragmentationbehaviorof..........wasstudiedbyatmosphericpressurechemicalionization(APCI+)quadrupoletime-of-flight(Q-TOF)tandemmassspectrometry(MS/MS)inthepositive/negativeionmode(正/負離子模式)Thefragmentationpathways(裂解途徑the protonatedmolecules(質(zhì)子化分子)of......Molecularionpeak分子離子峰Isotopeionpeak同位素離子峰Pseudo-molecularionpeak準(zhǔn)分子離子MetastableionFragmention碎片離子Protonatedion質(zhì)子化峰RDArearrangement RDA重排McLaffertyrearrangement麥?zhǔn)现嘏臜omolyticbondcleavage均裂(α)Heterolyticbondcleavage異裂Semi-heterolyticbondcleavage半異裂(σ)theelementalcompositions(元素組成)highresolutionandmassaccuracy(高分辨率及質(zhì)量準(zhǔn)確度)fragmentationpathways.......wasalsohelpfulinelaboratingthe andfragmentationpathwaysmechanism./elucidationofthefragmentationmechanismandpathwaysacomplexmolecule.(復(fù)雜大分子裂解途徑及機制的闡述)precursorion/parention);production/daughterion(子離子);neutrallossscan中性丟失掃描tandemMS串聯(lián)質(zhì)譜full-scan;positive/negativemodescan;Totalionchromatogram,TIC,總離子流圖Mass,質(zhì)量色譜圖即ExtractedIonEIC,提取離子流圖BPC(basepeakchromatogram)基峰色譜圖Selectiv(MultiplIon選擇(多)離子監(jiān)測Selective(Multiple)ReactionMonitoring,SRM(MRM),選擇反應(yīng)監(jiān)測Buildingblockcompound模塊式化合物(多糖、多肽等生物大分子)Centroid棒狀圖Continuum輪廓圖Dwelltime駐留時間(theintervalbetweentwiceLCstoptime(forprotectingtheMSparts)MCA方式(MultipleContinuumAveraging)譜圖,可以提高弱信號的靈敏度ACPI/ESIprobe&probeheater探針(探針加熱器Nebulizinggas霧化氣Desolvationgas脫溶劑氣Coronadischargeneedle電暈放電針Samplingcone取樣錐ExtractionconeZ-spray(Z型噴霧)HexapoleRFLens六極桿射頻透鏡Pre-filter預(yù)濾過器Quadrupole四級桿Post-filter后濾過器Collisioncell(chamber)碰撞室(Q2)初級泵(機械泵)primarypump(mechanicCompartments:stator定子;rotor轉(zhuǎn)子;blade&Exhaustoutlet;exhaustvalve;inlet;pumpoil泵油;oilreservoir儲油罐渦輪分子泵molecularpumpCleanablebaffle清洗板;isolationvalveHeatblock(ionblock離

溫馨提示

  • 1. 本站所有資源如無特殊說明,都需要本地電腦安裝OFFICE2007和PDF閱讀器。圖紙軟件為CAD,CAXA,PROE,UG,SolidWorks等.壓縮文件請下載最新的WinRAR軟件解壓。
  • 2. 本站的文檔不包含任何第三方提供的附件圖紙等,如果需要附件,請聯(lián)系上傳者。文件的所有權(quán)益歸上傳用戶所有。
  • 3. 本站RAR壓縮包中若帶圖紙,網(wǎng)頁內(nèi)容里面會有圖紙預(yù)覽,若沒有圖紙預(yù)覽就沒有圖紙。
  • 4. 未經(jīng)權(quán)益所有人同意不得將文件中的內(nèi)容挪作商業(yè)或盈利用途。
  • 5. 人人文庫網(wǎng)僅提供信息存儲空間,僅對用戶上傳內(nèi)容的表現(xiàn)方式做保護處理,對用戶上傳分享的文檔內(nèi)容本身不做任何修改或編輯,并不能對任何下載內(nèi)容負責(zé)。
  • 6. 下載文件中如有侵權(quán)或不適當(dāng)內(nèi)容,請與我們聯(lián)系,我們立即糾正。
  • 7. 本站不保證下載資源的準(zhǔn)確性、安全性和完整性, 同時也不承擔(dān)用戶因使用這些下載資源對自己和他人造成任何形式的傷害或損失。

最新文檔

評論

0/150

提交評論