ether solvent 中文意思是什麼

ether solvent 解釋
醚類溶劑
  • ether : n. 1. 【物理學】以太，能媒。2. 【化學】醚；乙醚。3. 〈詩〉上空，蒼天。4. 【哲學】靈氣；氣氛。
  • solvent : adj. 1. 有溶解力的，可溶解的；〈比喻〉使（信仰等）瓦解[削弱]的 （of）。2. 有償付能力的。n. 1. 【化學】溶劑，溶媒 （of for）。2. 解釋，說明。3. 使瓦解的東西。
  1. 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。
  2. Workplace air. determination of biphenyl - phenyl ether. solvent desorption gas chromatographic method

    作業場所空氣中聯苯-苯醚的溶劑解吸氣相色譜測定方法
  3. Does not dissolve in the water, dissolves in fat solvent and so on the ethyl alcohol, ether, acetone

    不溶於水，溶於乙醇、乙醚、丙銅等脂肪溶劑
  4. Synthesis of - naphthyl ethyl ether catalyzed by copper chloride with microwave irradiation solvent - free system

    2催化合成對羥基苯甲酸正丁酯
  5. Ether, glyme, diglyme, nitromethane, or other suitable solvents of similar polarity may be used as the solvent component.

    乙醚、乙二肟、二乙二肟，硝基甲烷或類似的適當的極性溶劑，可用作溶劑。
  6. 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。
  7. The substitution of pervaporation for traditional separation in organic mixtures is of energy - saving and environment - protecting significance. in this paper, pervaporation of two kinds of organic mixtures is investigated : one is using ca membrane and ca - eva ( ethylene - co - ethylene acetate ) composite membrane for methanol removal from mtbe ( methyl t - butyl ether ), focused on the influence of casting solvent mixtures ; the other is utilizing proper membrane stuff and additive to separate p - xylene from m - xylene

    本文對兩類有機有機混合體系進行了滲透汽化膜過程的研究，其一為醋酸纖維素（ ca ）膜及ca -乙烯醋酸乙烯共聚物（ eva ）復合膜用於甲基特丁基醚（ mtbe ）中少量甲醇（ 5 meoh ）的脫除，探討鑄膜混合溶劑及后處理技術對膜分離性能的影響。其二為運用適當的膜材料及添加劑去除間二甲苯（ mx ）中的少量對二甲苯（ 10 px ） 。
  8. 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
  9. 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。
  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. Either methanol or other suitable solvent, such as ethylene glycol monomethyl ether, may be used as the diluent

    甲醇或其他適合的溶劑，如乙二醇單甲基醚（甲氧基乙醇）可用作稀釋劑。
  12. Meets to extracting all kinds of natural herbs and products with different solvent, such as water, ethanol, ether etc., since it is airtight and provided with the function of explosive - proof and temperature control from as low as 5 to as high as 90

    實現低、常、高溫可監、可調、可控；全密封防爆，可使用水、乙醇、石油醚等提取溶媒，滿足各種有效藥物成分提取的需要。
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