ethyl ether 中文意思是什麼

ethyl ether 解釋
ethyl ether ＝ether.
  • ethyl : n. 1. 【化學】乙基，乙烷基。2. 四乙鉛〈加在汽油中的防爆劑〉。3. 含四乙鉛的汽車燃料。
  • 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。
  1. The synthesis process of acetimidoyl ethyl ether hydrochloride was introduced, and the preparations of acetamide, ethyl acetate, acetamidine hydrochloride, triethyl orthoacetate, n - cyan - iminoester hydrochloride and hydrazone by acetimidoyl ethyl ether hydrochloride were summarized

    摘要介紹了亞氨基乙醚鹽酸鹽的合成工藝，總結了亞氨基乙醚鹽酸鹽制備乙酰胺、乙酸乙酯、鹽酸乙脒、原乙酸三乙酯、 n -氰基乙亞氨酸乙酯以及腙類化合物的合成方法。
  2. 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
  3. Fluorescence spectra of ethyl ether and its characteristic

    乙醚的熒光光譜及其特性
  4. A study on oxidation of nopyl ethyl ether

    諾卜乙基醚的氧化反應
  5. Ethyl ether for industrial use

    工業用乙醚
  6. Phospholipid for import and export. method for determination of insoluble residue in ethyl ether

    進出口磷脂.乙醚不溶物檢驗方法
  7. Workplace air - determination of ethyl ether - direct injection gas chromatographic method

    車間空氣中乙醚的直接進樣氣相色譜測定方法
  8. 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
  9. Structural identification of the products from nopyl - ethyl ether ozonization by gc - ms and gc - ftir

    配合分析確認諾卜基乙基醚臭氧化產物的結構
  10. Determination method for l - ascorbic acid in fruit and vegetable juice beverages - ethyl ether extraction method

    果蔬汁飲料中l -抗壞血酸的測定方法乙醚萃取法
  11. Light yellow paste or powder, soluble in ethanol and ethyl ether, insoluble in water, very soluble in alkaline solution

    1 ）淺黃色膏狀物或粉末，溶於乙醇和乙醚，不溶於水，易溶於堿溶液。
  12. 5. detection : the samples were extracted with ethyl ether. the lidocaine in the sample was qualitated by rf and a tlc scanning spectrometry, quantitated by a tlc scanning chromatography and a two points external standard method or a standard curve method

    5 、利多卡因檢測方法:樣品堿化處理后，乙醚提取，薄層掃描檢測，根據利多卡因的rf值結合光譜掃描圖定性，外標兩點法或標準曲線法定量。
  13. 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。
  14. Brown yellow or red brown molding powder, has weak special smell, can dissolve in water and ethanol, not dissolve in ethyl ether and chloroform, good stability, no stimulate, has strong extermination effect to bacteria, virus, epiphyte, mildew and sporule. application

    由於pvpp的高分子量和交聯結構，不溶於水但遇水能迅速將水引入，促使其網路結構膨脹產生崩解作用，所以pvpp是醫藥上廣泛應用於片劑顆粒劑及膠囊劑的崩解劑填充劑。
  15. China sesameseed : moisture ( max ) 8 %, admixture ( max ) 2 %, oil content ( wet basis ethyl ether extract ) 52 % basis, should the oilcontent of the goods actually shipped be 1 % higher or lower, the price will be accordingly increased or decreased by 1 % and any fraction will be proportionally calculated

    例如：中國芝麻：水分（最高） 8 % ，雜質（最高） 2 % ，含油量（濕態乙醚浸出物） 52 %基礎，如實際裝運貨物的含油量高或低1 % ，價格相應增減1 % ，不足整數部分按比例計算。
  16. 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
  17. Appearance and properties ： a colorless ， hydroscopic ， oxidative crystal ， is soluble in water ， dissolves in ethyl alcohol ， and is slightly soluble in ether. irritant to eye and skin

    性狀：無色結晶。有吸濕性。易溶於水；溶於乙醇；微溶於乙醚對有機物有氧化作用，對眼和皮膚有刺激性。
  18. One pot reaction of fluoralkyl iodide with ethyl vinyl ether and amines to synthesize fluoroalkylenaminoketones

    氟烷基碘與乙烯基乙醚和胺一鍋法反應合成氟烷基烯胺酮
  19. Division i main business of organic solvents and ink paint adhesive plastic chemicals used in rubber industry functional aids / paint / resin / rubber products kinds of raw materials, these solvents include : organic solvents : esters, chunlei, milei, acids, benlei, three carbofuran, pce, acetone, dingmi, ethyl ether, glycol ether acetate esters, glycol ether acetate esters, fertilizer category include : flow ping agent xiaopaoji decentralized agents zengchouji microbicides fangmeiji even dry run of organic and inorganic pigments powder paint size

    我司主要經營有機溶劑化工品和油墨塗料粘合劑塑料橡膠行業所用功能助劑/顏料/樹脂/橡膠粉等原材料產品，其中溶劑包括：有機溶劑：酯類，醇類，醚類，酸類，苯類，三氯乙烯，四氯乙烯，丙酮，丁醚，乙醚，乙二醇乙醚醋酸酯，丙二醇甲醚醋酸酯，助劑類包括：流平劑消泡劑分散劑增稠劑殺菌劑防霉劑催干劑及各類有機無機顏料粉和顏料漿液。
  20. In order to separate the l - lactic acid and lactic acetate, the adsorption chromatography was utilized besides the extraction with ethyl ether. the operation conditions for resin a was initial 15 % lactic acid, ph 6. 5, temperature 30, flow velocity 2. 28 ml / min taking the condition of optimal enzymatic reaction, the amount of adsorption and natural hydrolyzation of lactic acetate into account

    綜合考慮酯酶的最適反應條件、樹脂吸附量和乳酸乙酯的自發水解情況，確定酶解底物乳酸乙酯濃度為15 ，上柱條件為； ph值為6 . 5 ，溫度為30 ，流速為2 . 28ml min 。
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