紫外光譜分析 的英文怎麼說
中文拼音 [zǐwàiguāngpǔfēnxī]
紫外光譜分析
英文
ultraviolet spectral analysis- 紫 : Ⅰ形容詞(紅和藍合成的顏色) purple; violet Ⅱ名詞(姓氏) a surname
- 外 : Ⅰ名詞1 (外面) outside; external side 2 (外國) foreign country 3 (以外) besides; beyond; in ...
- 光 : Ⅰ名詞1 (照耀在物體上、使人能看見物體的一種物質) light; ray 2 (景物) scenery 3 (光彩; 榮譽) ...
- 譜 : Ⅰ名詞[書面語]1 (按類別或系統編成的書或冊子等) table; chart; register 2 (指導練習的格式或圖形)...
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 析 : Ⅰ動詞1. (分開; 散開) divide; separate 2. (分析) analyse; dissect; resolve Ⅱ名詞(姓氏) a surname
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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種提取物紙層析結果顯示有兩種黃酮類化合物,經薄層層析分離純化,並進行紫外光譜分析,初步測定其中一組分為4 , 5 -二羥基黃酮醇醚或4 , 5 , 8 -三羥基黃酮醇醚。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,用紅外吸收光譜、紫外光譜、差熱分析對合成的丙交酯以及回收的丙交酯進行表徵。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
對于該類藥物的分析檢測,目前主要採用液液萃取普通紫外光譜測定法,液液萃取分離法操作繁瑣、費溶劑、藥物萃取率低,雜質去除不徹底。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。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波長紫外光對高分子二乙炔進行了紫外拓撲聚合,並通過紅外光譜和溶解性變化對聚合結果進行了分析5The 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晶體的紅外吸收光譜和紫外-可見吸收光譜,分析了不同摻雜濃度的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 。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。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光學精密機械研究所合作研製的太陽?大氣紫外光譜輻射計( sauvs ) ,測量到達北京地表的太陽直接和散射紫外光譜輻射,導出了大氣氣溶膠的光學厚度。初步結果表明:北京紫外波段大氣氣溶膠的光學厚度在絕大部分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;初步分析了揚沙、浮塵、沙塵暴天氣條件下氣溶膠光學厚度的特點,並與一般晴朗天氣條件下的氣溶膠光學厚度特點做了比較分析;分析了太陽紫外譜輻射中散射輻射與大氣質量、大氣總光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。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 、紫外光譜、 waxd和sem等測試分析,表明復合材料中存在剛性棒高分子聚甲亞胺,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。Dca on medicinal materials of three species of isodon kudo based on their uv spectra
三種香茶菜藥材紫外光譜的除趨勢對應分析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
第一部分:等離子點ph ( 5 . 4 )條件下,用平衡透析法和紫外光譜,熒光光譜,共振散射光譜研究了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圖分析表明, 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。紫外掃描發現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。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 )紫外光譜的分析表明,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紫外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。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分析儀。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分析、紫外光譜等方法加以鑒定,證明了美多心安可以和-環糊精形成包合物。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,並通過元素分析、紫外光譜、紅外光譜、質譜、核磁共振譜等手段對產品進行表徵。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
第二部分:生理ph ( 7 . 43 0 . 02 )條件下,用平衡透析法和紫外光譜,熒光光譜研究了金( )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圖分析表明,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。利用熒光猝滅法計算出金( ) - hsa和金( ) - bsa體系的stem - volmer常數和雙分子猝滅速率常數。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紫外光可見光譜分析、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、原子吸收光譜法的應用、電導滴定方法的應用、酸減滴定法的應用、液相層析方法的應用、陰離子層析、陽離子層析,氣體層析、總有機碳分析、葉綠素含量測定及紅外線光譜法應用。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
並通過元素分析、紅外光譜、紫外光譜、核磁共振譜( 』 hnm )和質譜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。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,在與氣相色譜( gc ) 、高效液相色譜( hplc ) 、毛細管電泳( ce )以及紫外光譜( 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、藥物等樣品的分析測定。分享友人