chromatography of paper 中文意思是什麼

chromatography of paper 解釋
色譜法,紙層色譜儀
  • chromatography : n. 【化學】層析,色層(分離)法。
  • of : OF =Old French 古法語。
  • paper : n 1 紙;裱墻紙。2 報紙,報。3 收據;債券;證券;票據;匯票;鈔票(=paper money)。4 〈pl 〉身份...
  1. Analysis of the types of blue copy paper by using high performance liquid chromatography

    高效液相色譜法分析藍色復寫紙的種類
  2. Abstract : in the paper the deterrent content and the concentration of diphenylamine dibuty l phthalate and centralite in finished product manufactured by two different methods were analyzed by high performance liquid chromatography, which can provi dereference for adjusting the technology of the propellant manufacture

    文摘:利用高效液相色譜儀分別測定了發射藥在兩種制備工藝中的鈍感劑鄰苯二甲酸二丁酯和二號中定劑的含量及鄰苯二甲酸二丁酸在其中的濃度梯度分佈,為調整發射藥制備工藝提供了參考。
  3. 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。
  4. A gas chromatography method for the quantitative analysis of isooctyl acid was introduced in this paper

    摘要建立了異辛酸合成過程中異辛醇、異辛酸和酯的氣相色譜分析方法。
  5. This paper illustrates the reaction of larch bark tannin extracts with sulfite and sodium hydroxide and the tests of its solution viscosity, mw - distribution and thin - layer chromatography

    摘要通過對落葉松栲膠進行亞硫酸鹽和氫氧化鈉的改性,則定其溶液黏度,用不同溶劑進行分級和薄層色譜。
  6. - acetolactate decarboxylase are widely found among bacterial strains but not in other groups of organisms. the enzyme has been demonstrated to be effective for removal of acetolactate and widely used in beer product. in this paper, - acetolactate decarboxylase from bacillus subtilis was purifed to homogeneity from cell extract by ammonium sulfate - fractionation, heat treatment, deae - sepharose fast flow column chromatography

    本文對來源於枯草芽孢桿菌( bacillussubtilis ) 3226 - 5的-乙酰乳酸脫羧酶經硫酸銨分級沉澱、熱處理、 deae - sepharosefastflow離子交換柱層析等分離純化步驟,得到sds - paeg電泳純,通過n末端氨基酸序列分析驗證酶蛋白的純度。
  7. Under that condition the strain can produce the most concentration of the bioactive compounds. the physical and chemical properties of the actibacterial compounds have been studied, the results showed the bioactive substance has heat stable, acidity and weakly alkali stable. it can be dissolved in acid water, chloroform solvent, can not be dissolved in ethyl acetate, petroleum ether, alkali water. the result of thinlayer chromatography showed the bioactive compounds can give off blue and green fluorescence in the uv light. the paper chromatography demonstrate the bioactive substance may be a new construct compounds

    研究表明,該活性物質具有較強的熱穩定性, ph 9的條件下能穩定存在,但ph 12的強堿性條件下活性物質的抗菌活性幾近喪失;活性物質易溶於氯仿、酸性水、不溶於乙酸乙酯、石油醚、堿性水;薄層層析顯示活性物質在紫外光下能發藍綠色熒光等特點;由捷克八溶劑系統紙層析鑒定該抗菌活性物質不屬於四大類抗生素,可能為一新的抗菌活性物質。
  8. This paper is mainly concerned about how to purify the industrial products of the antioxidant d and bht, how to determine their purities, determining their purities and the purities need to be more than 99 %. in order to attain this objective, the recrystalizing method is used to purify antioxidant d and antioxidant bht. the methods of high performance liquid chromatography ( hplc ) is used to determine the chemical composition of the antioxidant d and bht, it is qualitative analysis

    本論文是以防老劑d與bht工業品為主要原料制備防老劑d與bht標準物質,首先進行了防老劑d與bht的提純和熔點的測定試驗,並通過實驗確定了防老劑d與bht重結晶提純工藝;然後設計區域熔融裝置,擬定操作規程和技術條件,通過用區域熔融法提純重結晶后的防老劑d和bht產品滿足標準物質的純度要求。
  9. In the paper quantitative analysis is done by high performance liquid chromatography to crude anthracene and the separated products, and the hplc conditions : inspected wavelengh : 254nm ; flow velocity : lml / g ; the volume ratio of the methanol / water solution : 81 / 19 ; and inspected temperature : room temperature

    本文用高效液相色譜法( hplc )對粗蒽及分離以後的產物進行了定量分析, hplc的分析條件為:檢測波長: 254nm ;甲醇水溶液的體積比81 19 ;流速: 1ml g ;檢測溫度:室溫。
  10. This paper presents a critical review for the application of chemluminescence ( cl ) detection in environmental analysis since 2000, including the progress in cl detection combination techniques such as flow injection analysis ( fia ), high performance liquid chromatography ( hplc ), capillary electrophoresis ( ce ) and microchip electrophoresis, etc. 118 papers were cited

    摘要對2000年以來化學發光分析在環境污染物分析中的應用研究進行了評述,其中,包括與化學發光分析聯用的流動注射、高效液相色譜和毛細管電泳技術等。
  11. In this paper , the feature of structure and the principle of preparation of porous glass is reviewed , and the characteristics and prospect of porous glass as new packing mcdium of liquid chromatography is reviewed also

    本文綜述了一種新型載體材料多孔玻璃的結構特點和制備原理,及其作為液相色譜新填充介質的良好特性和應用前景。
  12. Abstract : in this paper , the feature of structure and the principle of preparation of porous glass is reviewed , and the characteristics and prospect of porous glass as new packing mcdium of liquid chromatography is reviewed also

    文摘:本文綜述了一種新型載體材料多孔玻璃的結構特點和制備原理,及其作為液相色譜新填充介質的良好特性和應用前景。
  13. Methods under the various separating condition, the anticoagulating active components of scorpion were appraised with thin layer chromatography ( tlc ) and paper chromatography

    方法用不同的展開劑,採用薄層色譜法和紙層析法對全蝎抗凝活性成分進行鑒定和分析。
  14. Four kinds of components of it were separated by paper chromatography

    色素經紙層析可分離出四個成分。
  15. The methods of paper chromatography - mottle elution cnromometry and enzyme - dns colorimetric were defined. these methods were simple, cheap and accuate. the results showed that the positive correlation was obtained between trehalose concentration and acetic acid or osmotic tolerant

    提出了「紙層析-分離洗脫法」 、 「酶- dns比色法」定量測定海藻糖的方法,該方法簡便、成本低、準確度高。
  16. This paper reviewed the category and development of liquid chromatography - mass spectrometry ( lc / ms ) and its application in analysis of various environmental pollutants, offering references for environmental monitoring departments in our country to make use of this technique

    摘要本文綜述了液相色譜質譜聯用( lc / ms )技術的分類、發展,以及近年來國內、外利用此技術分析環境污染物的應用,為我國環保監測部門開展此方面的工作提供參考。
  17. This paper relates a study of using automated gel permeation chromatography ( gpc ) to clean soil sample extracts with an average recovery of spiked blank samples of about 79. 0 %, far better than the common florisil method

    將該凈化方法應用於實際土樣的凈化,並和佛羅里硅土凈化方法相比較,經凝膠滲透色譜凈化的20種有機氯農藥空白加標的平均回收率為79 . 0 % ,比佛羅里硅土凈化的空白加標平均回收率高14 . 9 % ,且凝膠滲透色譜的凈化效率較好。
  18. In this paper, theoretical models for kinetic study of chromatography in recent years is summarized and several kinds of models used commonly are described such as general rate model, lumped pore diffusion model, equilibrium - dispersive model and transport - dispersive model, and their characteristics and application range are discussed

    本文對近年來色譜分離動力學研究常用理論模型的發展進行了綜述,重點介紹了普遍化速率模型、集總孔擴散模型、平衡擴散模型和傳遞擴散模型4種常用的色譜模型,並討論了各模型的優缺點及應用范圍。
  19. In this paper, the progress of the fluorimetry in pharmaceutical analysis in recent years is reviewed. the application of new technique of fluorimetry, flowinjection fluorimetry, chromatography with fluorescence detection in pharmaceutical analysis is discussed

    論述了近幾年熒光分析法在藥物分析中的研究進展.主要從熒光分析新技術,以及流動注射-熒光法,色譜-熒光法等聯用技術在藥物分析中的應用方面進行了評述
  20. First, theory and characteristics of chromatography are explored in the paper. the method based on math model, which is established according to fingerprint chromatogram, is used to analyze the actual significance of common peak, overlap rate and n - strong peaks

    本文首先對色譜法原理及其特點進行探究,根據分析化學中常用的色譜指紋圖譜來建立數學模型的方法來分析共有峰與重疊率以及n強峰的實際意義。
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