石油醚 的英文怎麼說

中文拼音 [dànyóumí]
石油醚 英文
benzine purificatum
  • 石 : 石量詞（容量單位, 十斗為一石） dan, a unit of dry measure for grain （= l00 sheng）
  • 油 : Ⅰ名詞1 （脂肪; 油脂） oil; fat; grease 2 （姓氏） a surname Ⅱ動詞1 （用桐油、油漆等塗抹） apply t...
  • 醚 : 名詞[化學] （有機化合物的一類） ether
  • 石油 : [地質學] petroleum; fossil oil; oil; 瀝青基石油 asphalt-base petroleum
  1. The anti - microbial activities of crude ethanol extract from aerial parts of sophora alopecuroides and its petroleum ether, chloroform, n - butanol and water fractions of sophora alopecuroides to pythium aphanidermatum, fusarium oxysporum f. sp. cucumerinum, fusarium oxysporum f. sp. lycopersici, alternaria solani, pseudomonas pachrymans and xanthomonas vesicatoria were tested by mycelial radial growth test and agar - well diffusion

    本實驗採用帶毒平板菌絲生長法和瓊脂打孔藥劑擴散法測定了苦豆子地上部分乙醇粗提物及其石油醚、氯仿、正丁醇和水層的不同極性溶劑萃取物對瓜果腐霉、黃瓜枯萎病菌、番茄枯萎病菌、番茄早疫病菌、黃瓜角斑病菌和番茄瘡痂病菌的抗菌活性。
  2. Dissolved in most organic solvent, such as aether, benzene, petroleum ether, and so on

    可溶解在絕大多數有機溶劑中，如正庚烷苯石油醚等。
  3. Dissolves in the water, the ethyl alcohol, does not dissolve in the acetone, the benzine

    溶於水、乙醇，不溶於丙銅、石油醚
  4. Gc - ms analysis of chemical component of oxytropis falcate bunge extracted by petroleum ether

    聯用法測定鐮形棘豆石油醚浸提物的化學成分
  5. 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。
  6. Gc - ms - dc analysis of the chemical components of origanum vulgare l. extracted by petroleum ether

    聯用法研究山薄荷石油醚部位的化學成分
  7. Mineral spirits - petroleum ether - requirements

    石油溶劑油.石油醚.要求
  8. Tobacco and tobacco products - determination of petroleum ether extract

    煙草及煙草製品.石油醚提取物的測定
  9. Chemical reagent. petroleum ether

    化學試劑石油醚
  10. The chemical composition of the extraction from elsholtzia blanda extracted by petroleum ether

    黑頭草石油醚提取物的化學成分
  11. Test method of petroleum ether insolubles in lubricating oil for railway locomotive diesel engine

    鐵路內燃機車柴油機油石油醚不溶物測定方法
  12. 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。
  13. Studies on the chemical component of polygonum barbatum l

    木棉花醇提物中石油醚溶解組分的化學成分研究
  14. Results of experiments on antibacterial and antifungal activities showed that extracts of alcohol and acetic ester had remarkable bacteriostasis effects against 6 bacteria ; aqueous extract was more effective against fungi, and slight against bacteria ; petroleum ether extract had no effect against bacteria and fungi ; butylalcohol extract had different effects against bacteria, but had no effects against fungi

    抑制活性試驗結果顯示：乙醇提取物和乙酸乙酯萃取物對供試的6種細菌有較強的抑制作用；水相對供試的5種真菌有較強的抑制作用，而且對細菌有較小抑制作用；石油醚相對真菌和細菌幾乎無抑制作用；正丁醇萃取物對細菌有不同程度的抑制作用，而對真菌無抑制作用。
  15. The mixed solvent consists of solvent naphtha, decalin, and petroleum ether in a certain proportion, which was used to synthesize 3 - sulfo p - anisidine by using p - anisidine as raw material

    摘要用溶劑汽油、萘烷、石油醚按一定比例復配成混合型溶劑，以對茴香胺為原料，用該溶劑合成了3 -磺酸基對茴香胺，產品中不含致癌物。
  16. Methods galangin was extracted with ethanol, degreased with ligarine, and extracted with chloroform

    方法採用乙醇提取，石油醚脫脂，氯仿萃取，上聚酰胺柱得到高良姜素。
  17. In order to study the influence factors of aoa of rose flowers, the effects of drying and extraction methods on the aoa of rose flowers were investigated. the results indicated that drying after high - temperature short - time pretreatment was rather effective to maintain their aoa ; the aoa of water extracts was stronger when the temperature was raised from 25 to 100 ; by using orthogonal test, the optimum extraction conditions of rose flowers were : solvent - 75 % ethanol ; ratio of material and solven - 1 : 10 ; extraction times - three times with 24 h at one time, at the room temperature. the extracts obtained by 75 % ethanol were fractionatedly extracted with petroleum, diethyl ether, ethyl acetate and n - butanol in turn, and the various fractions " aoa were analyzed

    為了探討玫瑰花抗氧化活性的影響因子，比較了不同乾燥方法、提取方法對其抗氧化活性的影響，發現：經短時高溫處理后再進行乾燥有利於較好地保持玫瑰花的抗氧化活性；以水作溶劑提取時， 25 100范圍內水提液的抗氧化活性隨著溫度的升高而增強；通過正交實驗篩選得到常溫下玫瑰花抗氧化活性物質的最佳提取方法為： 75乙醇為溶劑，液料比1 ： 10 ，提取3次，每次24h ； 75乙醇提取物依次用石油醚、乙醚、乙酸乙酯、正丁醇等有機溶劑進行兩相分部萃取，發現玫瑰花的抗氧化活性物質主要存在於乙酸乙酯部，說明玫瑰花抗氧化活性主要成分可能是單寧類、黃酮苷類和原花色素類化合物； 4
  18. And suaeda heteroptera. the radicle growth of all crop seeds was inhibited by two extracts, and when the concentration of ethanol extract exceeded 5gdw. ml - 1, crop seeds germination was claged, too

    瑞香狼毒葉石油醚和乙醇提取物均抑制受試作物種子胚根的生長，乙醇提取物濃度高於5gdw ? 100ml ~ （ - 1 ）時，作物種子的萌發均受到抑制。
  19. Anionic surface active agents - determination of soluble matter content in light petroleum

    陽離子表面活性劑石油醚溶解物含量的測定
  20. To capsicum for raw materials dissolved in ethanol and used petroleum ether, ether from the organic solvent solution extraction and purification wealthy markets prospect of food additives and with extensive medical value of the material - pepper accuracy ; and further research in ethanol concentration, saponification time, temperature under different conditions, such as the purity level of capsaicin

    以辣椒精為原料溶於乙醇中，再利用石油醚、乙醚等有機溶劑從溶液中提取和純化富有市場前境的食品添加劑和具有廣泛醫用價值的物質辣椒精；並進一步研究在乙醇濃度、皂化時間、溫度等不同條件下得到的辣椒堿純度高低。
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