paper chromatography 中文意思是什麼

paper chromatography 解釋
紙(上色)層(分)
  • 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...
  • chromatography : n. 【化學】層析,色層(分離)法。
  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. Acetylated paper chromatography fluorescence spectrophotometric method

    乙酰化濾紙層析熒光分光光度法
  7. - 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。
  8. This paper concentrates steranes and terpanes in high mature - over mature oil and source rock using distillation method and identifies with column chromatography and chromatography - mass spectrum, achieving better identification effect

    用精餾法對該類原油和生油巖中的甾萜類化合物進行富集,然後通過柱色層分析和色譜質譜鑒定,得到了較為理想的甾萜類化合物鑒定效果。
  9. 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。
  10. 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。
  11. 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。
  12. Converging paper chromatography

    圓錐形紙色譜
  13. Circular paper chromatography

    環形紙色譜法
  14. 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。
  15. In this paper, one interactive protein was isolated and purified further by ion - exchange chromatography, whose molecular weight was determined by sds - page to be 24kda under non - reduced conditions and 25kda under reduced conditions

    最後,分離純化作用蛋白中分子量為24kda的蛋白,發現其存在鏈內二硫鍵,二硫鍵斷裂后的分子量為25kda 。
  16. 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。
  17. 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。
  18. 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。
  19. 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。
  20. 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。
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