relative volatility 中文意思是什麼

relative volatility 解釋
相對揮發度
  • relative : adj 1 關于…的,與…有關系[聯系]的。2 相對的;相關的;以(他物)為準的,相應的,成比例的 (to) 相...
  • volatility : n. 1. 揮發性;揮發度。2. 輕快,快活。3. 變動不止,反復無常;輕浮。
  1. The present paper analyses the relative volatility of ethyl - benzene / styrene and meta - xylene / styrene and para - xylene / styrene is affected by pressure variation in ethyl - benzene / styrene packed tower, and also analyses the fractional composition is affected by pressure variation in above packed tower

    摘要通過模擬計算,分析乙苯苯乙烯塔壓力變化對乙苯苯乙烯、間二甲苯苯乙烯、對二甲苯苯乙烯相對揮發度的影響;壓力變化對塔釜乙苯含量、間二甲苯含量、對二甲苯含量及塔頂乙苯中苯乙烯濃度的影響。
  2. Interest rate volatility, as measured by the standard deviation of the daily changes of the one - month interbank rates relative to the yearly average rate, was 0. 02 in 2002, about the same level as in 2001, compared with 0. 38 and 0. 15 in 1997 and 1998 respectively

    2002年的利率變動幅度(以1個月本港銀行同業拆息每日變動標準差與年度平均拆息的比率計)為0 . 02 ,與2001年的水平相若( 1997及1998年的數字分別為0 . 38及0
  3. Results of calculation indicate that the bubble & dew points may be reduced extremely, but the relative volatility rises slightly and the separation of them is affected hardly by decreasing pressure. and this article puts forward more reasonable modifying suggestions after analyzing numerically in detail the common method of determining the position of sensitive plate in distillation tower and finds out something unsatisfactory about it

    計算結果表明,減壓可大大降低乙苯?苯乙烯物系的泡、露點,但相對揮發度增加甚微,對其分離的難易程度幾乎無影響;對常用求取精餾塔靈敏板位置的方法進行了詳盡的數值分析,對其不合理性提出了改進措施。
  4. The development of mass transfer in the system of vapor - liquid - liquid three - phase distillation from trays was introduced, the effects of the hydrodynamic conditions e. g. vapor velocity and ratio of liquid to vapor loading and physical properties of liquid phase, including surface tension, interfacial tension, viscosity or dispersion viscosity, density, relative volatility etc. and the volume ratio of oil to water on mass transfer were discussed systematically, the influence of the second liquid on mass transfer efficiency was also investigated, a gnat deal of viewpoints and suggestions having been put forward in this paper are significant important for optimizing design of distillation tower

    摘要介紹了氣液液三相精餾塔板傳質性能研究的進展情況,討論了氣速、液氣比等操作條件,表面張力、界面張力、液體的粘度或分散粘度、密度和相對揮發度等物系性質以及油水體積比等多種參數對傳質效率的影響,探討了第二液相的存在對傳質的影響,文中的許多觀點獲和建議對于優化精餾塔的設計具有重要的指導意義。
  5. According to the extracting temperature, the multistage operation of hs - spme was developed, that is the operation should apply relative high extracting temperature for low volatility substance, and apply relative low extracting temperature for high volatility substance

    基於以上,提出頂空固相微萃取的分段操作,針對高揮發度的待分析物質採用較低的萃取溫度萃取,低揮發度的待分析物質採用較高的萃取溫度萃取。
  6. Through determination of the infinite relative volatility for ethane / ethylene by means of gas stripping method, the ability of the cuprous halide amine to separate ethane / ethylene is evaluated and the factors influencing the stability of the cuprous halide amine such as the basicity of ligand, diluters, ratios are studied

    摘要通過測定乙烯乙烷在含氮基團絡合亞銅體系中的無限稀釋相對揮發度,研究了基團堿度、配比數及稀釋劑對吸收劑選擇能力和穩定性的影響。
  7. A method of solvent selected and optimized on the base of group contribution model was established, then according the relative volatility, relative molecular mole mass, melting point, boiling point, and so on to design the solvent molecular

    又以鹽在溶劑中的溶解度為評定目標,選擇合適的鹽為醋酸鉀。利用計算機分子設計,以基團貢獻模型為基礎,建立了一套溶劑選擇優化的方法。
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