petroleum chromatography 中文意思是什麼

petroleum chromatography 解釋
石油色譜
  1. Ecd petroleum products and used oils - determination of pcbs and related products - part 1 : separation and determination of selected pcb congeners by gas chromatography using and electron capture detector

    石油產品和用過的油.多氯聯苯和相關產品的測定.第1部分:使用電子俘獲檢測器
  2. Standard test method for paraffin, naphthene, and aromatic hydrocarbon type analysis in petroleum distillates through 200 c by multi - dimensional gas chromatography

    用多維氣相色譜法分析通過200時石油餾份中石蠟環烷和芳烴類型的標準試驗方法
  3. According to the polarity, the residue was isolated with petroleum ether, chloroform, ethyl acetate, and n - buoh, respectively. the n - buoh fraction, confirmed as neuroactive component, was subjected to sephadex lh - 20 column chromatography to provide an extract fraction, as a buff powder, which could induce neurite outgrowth in rat pheochromocytoma pc12 cells in a dose - dependent manner up to 50 mg / l

    將菟絲子乾粉用75乙醇浸泡后,減壓蒸干后得到褐色漿狀物,經石油醚、氯仿、乙酸乙酯、正丁醇萃取,經柱層析后,再用葡聚糖凝膠對有效成份進一步純化,獲得了菟絲子中能誘導pc12細胞分化的活性組分。
  4. We got 4 parts from the extraction of astragalus variabilis bunge through systemic research ways of phytochemistry, which respectively are the part of petroleum ether, the part of petroleum ether, the part of etoa and the part of n - buoh the part of n - buoh are isolated by the successively methods of silica - gel column chromatography, tlc and sublimation

    摘要採用植物化學成分系統研究的方法,從變異黃芪醇提總浸膏中分段萃取得到石油醚提取部分、氯仿提取部分、乙酸乙酯提取部分和正丁醇提取部分。
  5. Petroleum products and used oils - determination of pcbs and related products - part 1 : separation and determination of selected pcb congeners by gas chromatography using an electron capture detector ; german version en 12766 - 1 : 2000

    石油產品和用過的油.多氯聯苯和相關產品的測定.第1部
  6. Ecd petroleum products and used oils - determination of pcbs and related products - determination and quantification of polychlorinated terphenyls and polychlorinated benzyl toluenes content by gas chromatography using an electron capture detector

    石油產品和用過的油. pcb和相關產品的測定.使用電子俘獲探測器
  7. Petroleum products and used oils - determination of pcbs and related products - part 3 : determination and quantification of polychlorinated terphenyls and polychlorinated benzyl toluenes content by gas chromatography using an electron capture detector ; german version en 12766 - 3 : 2004

    石油產品和用過的油.多氯聯苯和相關產品的測定.第3部
  8. Standard test method for determination of boiling range distribution of crude petroleum by gas chromatography

    氣相色譜法測定原油沸程分佈的標準試驗方法
  9. Standard test method for boiling range distribution of petroleum distillates in the boiling range from 100 to 615 c by gas chromatography

    氣體色譜法確定沸程在100至615的石油餾份的沸程劃分標準試驗方法
  10. 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。
  11. Test method for boiling range distribution of petroleum fractions by gas chromatography

    氣相色譜法測定石油餾份的沸騰范圍分佈的試驗方法
  12. Test method for boiling range distribution of petroleum distillates in the boiling range of 174 to 700 c by gas chromatography

    用氣相色譜法在174到700 c沸騰范圍間測定石油餾出物沸點范圍分佈的試驗方法
  13. Test method for the boiling range distribution of petroleum distillates in the boiling range form 100 to 615 by gas chromatography

    利用氣相色譜法在100至615之間進行石油蒸餾分佈狀態沸騰范圍測定的試驗方法
  14. Standard test method for boiling range distribution of petroleum distillates in boiling range from 174 to 700 c by gas chromatography

    用氣相色譜法測試174 - 700沸騰范圍內石油餾出物沸騰范圍分佈的標準試驗方法
  15. Analysis of liquid petroleum products by gas chromatography ; determination of benzene content

    用氣相色譜法分析液化石油產品.測定苯含量
  16. Liquid petroleum products. unleaded petrol. determination of benzene content by gas chromatography

    液化石油產品.無鉛汽油.氣相色譜法測定苯含量
  17. Pct petroleum products and used oils - determination of pcbs and related products - part 3 : determination and quantification of polychlorinated terphenyls and polychlorinated benzyl toluenes content by gas chromatography using an electron capture detector

    石油產品和用過的油. pcb和相關產品的測定.第3部分:用電子俘獲探測器的氣相色譜法測定和量化多氯三聯苯
  18. Methods of test for petroleum and its products - petroleum products and used oils - determination of pcbs and related products - separation and determination of selected pcb congeners by gas chromatography using an electron capture detector

    石油及其製品試驗方法.石油產品和用過的油. pcbs及相關產品的測定.通過帶電子俘獲探測器的氣相色譜法分離和測定選定的pcb同種類物
  19. Analysis of saturated paraffins in petroleum by fast gas chromatography

    環境中石油烴污染物組分的氣相色譜分析
  20. Determinatiom of sulfur compounds in liquefied petroleum gas by large bore capillary gas chromatography

    利用大口徑毛細管氣相色譜法測定液化氣中的含硫化合物
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