紫外光譜分析 的英文怎麼說

中文拼音 [wàiguāngfēn]
紫外光譜分析 英文
ultraviolet spectral analysis
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  1. Two kinds of flavonoids in water extracts, water - extraction and alcohol precipitation, alcohol extracts were found by paper chromatography. they were separated and purified by thin - layer chromatography, one of which was primarily identified by uv as 4 ", 5 - dihydroxy - flavonol etherification or 4 ", 5, 8 - trihydroxy - flavonol etherification

    水提物、水提醇沉物、醇提物等3種提取物紙層結果顯示有兩種黃酮類化合物,經薄層層離純化,並進行紫外光譜分析,初步測定其中一組為4 , 5 -二羥基黃酮醇醚或4 , 5 , 8 -三羥基黃酮醇醚。
  2. Afterwards, the remnant lactic acid in lactide was measured by non - aqueous titration with sodium methoxide and the remnant water was surveyed by karl - fisher method. the melting point was investigated by thiele tube and the characteristics of lactide were analyzed by ir, uv spectrum, tg and dsc respectively

    然後,用甲醇鈉非水滴定法測定丙交酯中殘存乳酸,卡爾-費休法測定丙交酯中殘存水的含量,用提勒管測定精製丙交酯熔點,用紅吸收、差熱對合成的丙交酯以及回收的丙交酯進行表徵。
  3. At present, liquid - liquid extraction common ultraviolet spectrophotometry method is used for the analysis and examination of such medicine. the separating method of liquid - liquid extraction is overelaborate and waste solution. the recoveries are low

    對于該類藥物的檢測,目前主要採用液液萃取普通測定法,液液萃取離法操作繁瑣、費溶劑、藥物萃取率低,雜質去除不徹底。
  4. 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,質等現代測試技術對離提取物f進行結構鑒定,解出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。
  5. The macromolecular diacetylenes were polymerized by uv light at 264 nm wavelength. polydiacetylenes were analysised by infrared refractor ( ir ) and the solubility. 5

    用264nm波長對高子二乙炔進行了拓撲聚合,並通過紅和溶解性變化對聚合結果進行了5
  6. The infrared absorption spectra and ultra - visible absorption spectra were measured. it was analyzed that the absorption side of in : linbo3 doped with virous concentrations of in shifted in comparison with that of pure linbo3 in normal site after the nb at li site was substituted completely

    測試了in : linbo _ 3晶體的紅吸收-可見吸收了不同摻雜濃度的in : linbo _ 3晶體的吸收邊相對移動的現象,確定了in ~ ( 3 + )的摻雜閾值濃度為2mol 。
  7. 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

    化學領域中,小波變換在流動注射、伏安、高效液相色、紅、質、核磁共振、可見、擴展x -射線吸收精細結構( exafs )化學信號的平滑濾噪、數據壓縮、重疊信號解等方面都有成功的應用。
  8. Based on the spectral irradiance measured with the sun - atmosphere ultraviolet spectrum radiometer ( sauvs ) developed by the institute of atmosphere physics and the changchun institute of optics and fine mechanics, chinese academy of sciences, measuring the direct and scatter irradiance spectrum of ultraviolet waveband which arrives in beijing global surface, giving a method of retrieving the aerosol optical depth ( aod ) and put up with primary results that exponential function can fit the retrieval results according to its visibility, putting forth different coefficients and functions on variable visibility, also giving a primary analysis on the aod in dust - storm day and some contrast between sun - day and dust - storm day, analyzing the ratio between scatter and total irradiance, and its relationship with atmosphere mass and total atmosphere optical depth, lastly contrasting with the survey results by aeronet beijing station, the results of retrieval is in reason, this work gives some help in researching the co - effect of aerosol - radiance - climate and makes preparation for further survey on the radiance characteristics of dust

    利用中國科學院大氣物理研究所與長春學精密機械研究所合作研製的太陽?大氣輻射計( sauvs ) ,測量到達北京地表的太陽直接和散射輻射,導出了大氣氣溶膠的學厚度。初步結果表明:北京波段大氣氣溶膠的學厚度在絕大部情況下隨波長的增加而單調減小,用指數函數可以較好地擬合反演結果,統計得到了三個水平能見度狀況下擬合函數的系數值和公式表達式;初步了揚沙、浮塵、沙塵暴天氣條件下氣溶膠學厚度的特點,並與一般晴朗天氣條件下的氣溶膠學厚度特點做了比較了太陽輻射中散射輻射與大氣質量、大氣總學厚度的定性關系和定量表達式;最後與全球氣溶膠監測網路( aeronet )北京站的資料做比對,表明反演結果基本合理。
  9. Isothermal and non - isothermal crystallization behaviors were also investigated. the results of ft - ir, uv spectrum, waxd and sem indicated that rigid rod polymer polyazomethines were polymerized in the composites. the addition of pam changed the crystallization morphology and apparent crystallinity of the composites, but did not change the basal crystal form

    通過對復合材料ft - ir 、、 waxd和sem等測試,表明復合材料中存在剛性棒高子聚甲亞胺,其存在改變了pa - 6的結晶形態和表觀結晶度,但尼龍6的晶型並沒改變。
  10. Dca on medicinal materials of three species of isodon kudo based on their uv spectra

    三種香茶菜藥材的除趨勢對應
  11. Part i this paper has minutely studied the interaction between ag ( i ) and serum albumin. the binding of ag ( i ) to human serum albumin ( hsa ) or bovine serum albumin ( bsa ) has been studied by equilibrium dialysis at ph ( 5. 4 ). the scatchard analysis indicates that there exists several strong binding sites of ag ( i ) in both hsa and bsa. a notable hysteretic effect has been observed in the interaction of ag ( i ) with hsa or bsa using uv - visible spectrometry at ph ( 5. 4 ), which shows that the binding between ag ( i ) with hsa or bsa may induce a slow transition of hsa or bsa from the conformation of weaker affinity for ag ( i ) to one of stronger affinity ( a - b transition ). the rate constants and activation parameters of this transition parameters of this tansition were measured and discussed. the binding equilibrium has been also studied by resonance light - scattering spectrum ( rls ) and flurescence quenching

    第一部:等離子點ph ( 5 . 4 )條件下,用平衡透法和,熒,共振散射研究了ag ( )與人血清白蛋白( humanserumalbumin ,簡稱hsa )或牛血清白蛋白( bovineserumalbumin ,簡稱bsa )的結合。 scatchard圖表明, ag ( )在hsa或bsa中有強弱兩類結合部位,通過計算機擬合獲得結合的逐級穩定常數值。掃描發現ag ( )與hsa或bsa的結合存在滯後效應,表明ag ( )與hsa或bsa的結合可能誘導蛋白質構象發生緩慢變化( a - b ) ,測得並討論了這一構象變化的速度常數和活化參數。
  12. The diameter of pn of lermulsion increases with the increasing of sapomn and it is observed through tem that the water phase drop also becomes bndr. ( 2ap uvmi absorption of formulsion changes when the quanty of cosum and the quantity of normal hexanl changes, wtheh indicatcs tha the changes influence the electron clound of benzene and thexyl

    ( 2 )表明,隨hhophg皂化度和助表面活性劑正己醇用量的改變,微乳液中hhophg吸收峰的位置和強度發生變化,表明在微乳液的形成過程中, hhophg的苯環和竣基上的電子云密度發生了變化。
  13. Study on the technology of sfe - co2 of crude and processed cangzhu and its extract analysed by uv

    2萃取和萃取物的紫外光譜分析
  14. It introduces a multi - parameters water analysis instrument based on the theory of uv spectrum analysis

    介紹了一個以紫外光譜分析為原理多參數水質儀。
  15. Metoprolol / cyclodextrin inclusion compound was prepared by the co - precipitation method and its structure was examined by dsc and uv spectra. the formation of the inclusion compound was proved

    摘要通過共沉澱法合成了美多心安-環糊精包合物,並使用差示掃描量熱等方法加以鑒定,證明了美多心安可以和-環糊精形成包合物。
  16. In order to research systematically the kinetics of the redox reaction between tbh and np ( vi ), the main contents of the work in this paper are as follows. ( 1 ) tbh is synthesized by direct alkylization in chsoh media. the structure and composition of the product are characterized by elemental analysis, uv - vis spectrum, ir spectrum, ms spectrum and nmr spectrum respectively

    為深入系統的研究特丁基肼還原np ( )的動力學,為后處理工藝流程提供實驗和理論依據,本文研究了以下內容: ( 1 )以甲醇為溶劑,用直接烷基化的方法合成了特丁基肼,並通過元素、紅、質、核磁共振等手段對產品進行表徵。
  17. Part ii this paper has minutely studied the interaction between au ( iii ) and serum albumin. the binding of au ( iii ) to human serum albumin ( hsa ) or bovine serum albumin ( bsa ) has been studied by equilibrium dialysis at ph ( 7. 43 + 0. 02 ). the scatchard analysis indicates that there exists several strong binding sites of au ( iii ) in both hsa and bsa. a notable hysteretic effect has been observed in the interaction of au ( iii ) with hsa or bsa using uv - visible spectrometry at ph ( 7. 43 + 0. 02 ), which shows that the binding between au ( iii ) with hsa or bsa may induce a slow transition of hsa or bsa from the conformation of weaker affinity for au ( iii ) to one of stronger affinity ( a - b transition ). the rate constants and activation parameters of this transition parameters of this tansition were measured and discussed. the binding equilibrium has project supported by the national science foundation of china ( no. 299621001 ), and the foundation for talents of the ten hunred thousand in guangxi

    第二部:生理ph ( 7 . 43 0 . 02 )條件下,用平衡透法和,熒研究了金( )與人血清白蛋白( humanserumalbumin ,簡稱hsa )或牛血清白蛋白( bovineserumalbumin ,簡稱bsa )的結合。 scatchard圖表明,金( )在hsa或bsa中有強弱兩類結合部位,通過計算機擬合獲得結合的逐級穩定常數值。利用熒猝滅法計算出金( ) - hsa和金( ) - bsa體系的stem - volmer常數和雙子猝滅速率常數。
  18. The items carried out in this course including uv - vis analysis of dyes and organic compounds, determination of cr6 + in aqueous solution, quantitative analysis of inorganic phosphate, quantitative analysis of fe2 +, quantitative analysis of amino acid, application of atomic absorption, conductivity titration, acid - base titration, application of liquid chromatography, anionic chromatography, cationic chromatography, total organic carbon analysis, determination of chlorophyll and application of infrared spectrometer

    實驗項目包括染料色素及有機物的可見、水中六價鉻含量測定、無機磷酸鹽的比色定量、試樣中鐵的比色定量、胺基酸的比色定量、原子吸收法的應用、電導滴定方法的應用、酸減滴定法的應用、液相層方法的應用、陰離子層、陽離子層,氣體層、總有機碳、葉綠素含量測定及紅法應用。
  19. In order to study the kinetics of the reaction of pu ( iv ) by dmhan thus providing basis for the design an improved process of spent nuclear fuel reprocessing, a systematic investigation has been performed as described below : ( 1 ) n, n - dimethylhydroxylamine was prepared through pyrolysis of tert - amine oxide

    並通過元素、紅、核磁共振( 』 hnm )和質等測試手段對產物進行了表徵。 ( 2 )研究了dmhan與v ( )在hno3溶液中的氧化還原反應動力學。
  20. At the same time, solid - phase microextraction ( spme ) as a new solvent - free extraction technique in sample preparation appeared in early 1990s. because of its advantages of simplicity, rapid extraction and easy quantification, spme was successfully applied to extraction and concentrating of many compounds in environment, food, biological fluids and pesticide matrices, the samples included gas, liquid and solid. spme could be easily utilized with gas chromatography ( gc ) and high performance liquid chromatography ( hplc )

    固相微萃取( spme )是由pawlisayn在1990年提出的一種新型的無溶劑樣品處理技術,在與氣相色( gc ) 、高效液相色( hplc ) 、毛細管電泳( ce )以及( uvas )等聯用后,廣泛應用於水、土壤、空氣等環境樣品和血、尿等生物樣品,以及食品、藥物等樣品的測定。
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