醚值 的英文怎麼說

中文拼音 [mízhí]
醚值 英文
ether number
  • 醚 : 名詞[化學] （有機化合物的一類） ether
  1. Polyether polyols - determination of acid number

    聚醚多元醇中酸值測定方法
  2. It was proposed that the catalytic amination of metyl t - butyl ether by solid acid was a promising " green " process

    指出固體酸催化甲基叔丁基醚的氨化是值得開發的綠色化工技術。
  3. In this paper, glycidyl ether, which was high epoxide value and low viscosity, was synthesized from 2 - trimethylene glycol, epichlorohydrin and the normal butyl alcohol by phase transfer catalyst based on the orthogonal experiment design

    摘要採用1 ， 2 -丙二醇、正丁醇和環氧氯丙烷為原料，在相轉移催化劑的作用下反應，通過正交實驗合成了的高環氧值、低粘度的混合醇縮水甘油醚。
  4. 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。
  5. Polyether polyols - determination of hydroxyl number

    聚醚多元醇中羥值測定方法
  6. Extracting oat oil with aceton, petrobenzine, ethano - aceton and n - hexne from oat, determining quality of physical and chemic about acidity value, iodic value, saponification value, unsaponification, colour and melting point, analysis on composition of fatty acid on oat oil

    摘要分別以乙醚、丙酮、丙酮乙醇、正己烷對燕麥進行萃取，對所得油脂進行酸價、碘價、皂化值、不皂化物、色澤、熔點等理化性質的測定，同時對燕麥油的脂肪酸組成進行分析。
  7. Nos - n was used as the n source of the culture solution and it increased ph of solution. the extent of the increase in ph

    漲醚和積的3種處理的溶液的eh增加的值始終是fey feh ） fe 。
  8. Plastics. basics materiels for polyurethanes. polyethers. determination of the hydroxyl value

    塑料製品.聚氨基甲酸酯塑料.聚醚.烴基值的測定
  9. Palyether polyols - determination of hydroxyl number

    聚醚多元醇中羥值測定方法
  10. Application of ftir spectrophotometer in deternination of the hydroxyl value of polyether polyol

    光譜儀在聚醚多元醇羥值測定中的應用
  11. Important factors of accurate measurement in hydroxyl value of polyether polyol determination

    準確測定聚醚多元醇中間品羥值應注意的問題
  12. 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。
  13. Li jun, yoshio sato, akio noda. an experimental study on dme spray characteristics and evaporation process in a high pressure chamber. sae, 2001, 2001 - 01 - 3635

    文華，劉永長，魏明銳等.二甲醚和柴油噴霧特性的數值模擬分析.天津:內燃機學報， 2003 （ 4 ）
  14. In the full load range, the engine exhaust contains no smoke and the nox exhaust obviously decreases and the engine noise also decreases. the different fuel blends consisting of predorminant dme and some diesel can conqer or in large part improve the wear and leakage of plunger

    二甲醚和柴油混合燃料除了有較好的動力性、經濟性和排放指標外，由於粘度增加可以克服或在很大程度上改太原理工大學碩士學位論文善油泵、油嘴的磨損、泄漏問題，具有使用價值。
  15. It has draw more and more attention of scientists with the prospection use in matieral chemistry, coordination chemistry and biochemistry. by using resorcinarene as framework of supramolecular construction, we studied the single crystal structure by evaporation of acetone with the exist of a little water molecular and found that under several weak interactions, a novel nano - one - dimention supramolecular tube was abtained

    杯芳烴是繼冠醚、環糊精以後的第三代主體分子，它兼有絡合陽離子與中性小分子的功能，在材料化學、配位化學、生物化學等領域表現出潛在的應用前景與研究價值，因此吸引了越來越多的化學工作者的注意。
  16. After the acet is vaporized, the active substance in water is gotten. and which is vaporized at low temperature. then the crude active substance is purified by column chromatography on sephadex g - 75. after a series of purifications again, we could get some white powder at last. though the active substance is diluted to50 g / ml, the activity is still checkeded - up through phyto phtnora casicileon. the purified active substance is insensitive to heat, resistant to chloroform 、 ethanol and the orhers. in addition, the active substance is sensitive to high ph ( 10 ~ 14 ), but it is not sensitive to low ph ( 1 ~ 5 ). furthermre, when the ph is made to low again, the activity of it ' s comes back

    用蒸餾水對菌體稀釋；加入適量吸附樹脂在150rpm 、 28下振蕩吸附4h ， 80 %的丙酮解吸，過濾解吸液得到活性物質的澄清溶液，旋轉蒸發儀旋轉蒸發去處丙酮，經sephadexg - 75分子篩層析得單一活性峰，收集峰值部分樣品液經冷凍乾燥得到淡褐色粉末，該活性物質用丙酮充分洗滌、甲醇-乙醚重結晶獲得略帶微黃的白色粉末，該活性物質50 g / ml仍可對蘇雲金芽孢桿菌hd - 1產生明顯的抑制作用。
  17. Ethers production will also significantly boost the octane value of the gasoline

    醚類生產還將提高汽油的辛烷值。
  18. 2 ) the shape and average size of the nanometer caco3 particles have been tested through tem. 3. on the basis of hlb suitable surface - active agents such as polyether, tween - 60, span - 20 and span - 80, which exist as capsules, are selected

    3 、根據表面活性劑親水親油平衡值選擇了聚醚、吐溫- 60 、司本- 20和司本- 80作為納米碳酸鈣粒子的表面活性劑，它們以膠囊的形式存在。
  19. Plastics. basic materials for polyurethanes. polyethers. determining of the conventionnal ph value

    塑料製品.聚氨基甲酸酯塑料.聚醚.常規ph值的測定
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