蒸汽压

zhēng qì yà
  • Vapor pressure;vapour pressure;tension
蒸汽压蒸汽压
蒸汽压[zhēng qì yà]
  1. 通过化学工艺计算,得到了各馏分的平均分子量和饱和蒸汽压,进而求出其挥发度。

    Via chemic technique calculate , we get the average molecular weight and saturation vapor tension , thereby , we calculate the volatility .

  2. 得到的极限温度为40.4K;相应的饱和蒸汽压为6×10~(-2)mmHg。

    The limit temperature obtained is 40.4 K , corresponding to the saturated vapour pressure of 6 × 10-2 mm Hg .

  3. 对饱和蒸汽压模型Ak参数的修正

    Modification of A_k parameters of the Saturation-Vapor-Pressure model

  4. 含盐溶液汽液平衡的状态方程法研究c单一溶剂盐溶液蒸汽压的测定及关联

    Studies on Vapor-Liquid Equilibria for Salt-Containing Systems by Equation of State & Measurement and Correlation of VaporPressures for Salt Solutions

  5. 换句话说,液体A上的蒸汽压,比液体B上的蒸汽压大。

    In other words , the vapor pressure over pure liquid A is higher than the vapor pressure over pure liquid B.

  6. CH3CF3的蒸汽压与临界参数实验研究

    Experimental study on vapor pressure and critical parameters of ch_3cf_3

  7. 一种SF6气体饱和蒸汽压曲线的拟合公式及其应用

    Approximation Formula and Application of SF_6 Saturated Steam Pressure Curve

  8. 基于饱和水蒸汽压公式的SF6气体绝缘的评价

    The Evaluation of SF_6 Gas Insulated Based on Saturated Water Vapor Pressure Formula

  9. HFC类工质饱和液密度、蒸汽压和汽化热的推算

    Prediction of Saturated Densities , Vapour Pressures , and Vaporization-Heats for HFC Working Substances

  10. 30种物质饱和蒸汽压及饱和液体密度同时关联的结果表明,修正的PT方程较原始的有较大改进,特别是对极性物质。

    The results show that the modified PT equation is better than the original one , particularly fot polar substances .

  11. 本文介绍了电阻蒸发ZnS∶Mn薄膜在硫饱和蒸汽压下进行热处理的工艺。

    Technic of annealing ZnS : Mn thin films deposited by thermal evaporation in sulfur saturated vapor was described .

  12. 研究表明,较高的生长温度、SiO和CO的局部过饱和蒸汽压是此方法能够大量制备β-SiC纳米晶须的关键因素。

    The research shows that the relatively high heating-temperature , the partial supersaturation of SiO , and partial supersaturation of CO are the key preparing factors .

  13. 利用蒸汽压渗透法对不同系列的DFI进行了分子量测试。

    Different series of DFI were tested by molecular weight apparatus .

  14. 在正常的近空间升华过程中,CdTe的蒸汽压远小于保护气体的气压。

    In the course of the normal close-spaced sublimation , CdTe vapor pressure is far smaller than the protecting atmosphere .

  15. 结果表明,PT方程对水、二氧化碳的蒸汽压及密度预测较佳。

    It is showed that among the Equations of State , PT EOS is the best to calculate the vapor pressure and density for water and carbon dioxide .

  16. 对丁醇的密度推算,PT方程最佳,PT方程对丁醇的饱和蒸汽压预测一般。

    PT EOS is the best to calculate the density of butanol , but it is not very good for PT EOS to calculate the vapor pressure of butanol .

  17. 意味着亨利定律常数,比纯CS2的蒸汽压大。

    Meaning that the Henry 's law constant is greater than the vapor pressure of the pure CS2 .

  18. 低温区HFC152a饱和蒸汽压的实验测定

    Measurements of vapor pressure for hfc152_a in the low temperature region

  19. 即纯净的A物质,pA是混合物得蒸汽压,在这里是总压强,因为我们没有加入任何不易挥发的溶质。

    So pure A.And pA is the vapor pressure of the mixture Which in this case here is the total pressure , because I don 't have anything else that 's volatile .

  20. 在室温下,结果是RDX根本不挥发,所以蒸汽压很小。

    And room temperature , it turns out if it 's not volatile at all , if the vapor pressure is very , really tiny .

  21. 其中,气孔导度、蒸腾速率、叶温、光合有效辐射及基于叶温的蒸汽压亏缺是大豆光合作用的促进因子;细胞间CO2浓度、空气中CO2、空气相对湿度为主要的限制因子。

    Stomata conductance , transpiration rate , temperature of leaf , photosynthetic was promoting factors for bean leaf ; intercellular CO2 concentration , CO2 of air and air relative humidity were mainly limiting factors . 3 .

  22. 高效液相色谱法测定沉积物中的多溴联苯醚支持向量机用于多溴联苯醚蒸汽压的QSPR研究

    Determination of Polybrominated Diphenyl Ethers ( PBDEs ) in Sediment by HPLC QSPR study of vapor pressure of PBDEs by SVM method

  23. 集成湿热及蒸汽压对塑封QFN器件的层裂影响

    The effects of combining thermal-humidity and vapor pressure on delamination of plastic packaging QFN component

  24. 通过生成的水蒸汽压,煅烧时间为3h,煅烧温度140℃,产品质量可达孟山都公司食品用无水磷酸氢钙标准。

    The quality of product reached the food additive standard of Monsanto Company in the case of calcination temperature in 140 ℃ and 3 hours and with the vapour pressure .

  25. 与蒸汽压渗长期透法(VPO)相比,测定分子量数据的相对误差小于10%。

    The relative errors of the molecular weights determined by cryoscopy are less than 10 % as compared with those determined by VPO method .

  26. 应用一套通用型流体热物性方程对HFC类致冷工质的饱和密度、蒸汽压和汽化潜热进行计算。

    The saturated densities , vapour pressures , and latent heats of vaporization for HFC working substances of refrigeration are calculated by using a set of general equations of thermophysical property of liquids .

  27. 从理论分析可得出,纳米晶CuCr合金的蒸汽压为其常规合金蒸汽压的10倍多。

    Through theoretical analysis , we can know that the saturated steam pressure of nanocrystalline CuCr alloys is about 10 times that of conventional alloys .

  28. 所以CS2的蒸汽压2,与CS2的摩尔分数2,和纯的CS2溶液蒸汽压的积成正比。

    So that the vapor pressure of CS2 is related to the mole fraction of CS2 times the vapor pressure of CS2 if it was pure .

  29. 提出了一种新的SF6气体饱和蒸汽压曲线的拟合公式,并和标准曲线数据加以比较,确认了其准确性;

    In this paper , a approximation formula of SF6 saturated steam pressure curve is proposed , and the accuracy of the formula is verified by comparing with the standard curve .

  30. 测压传感器的相对动态校准14~28d,主要是相对蒸汽压较小且孔径较小的孔失水导致收缩;

    At the age of 14 & 28 d , shrinkage mainly due to moisture loss from the smaller pores which have lower relative vapor pressure ;