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单词 mole fraction
释义

mole fraction in American English

the ratio of the number of moles of one constituent of a mixture or solution to the total number of moles of all the constituents

mole fraction in American English

noun
Chemistry
the ratio of the number of moles of a given component of a mixture to the total number of moles of all the components
Word origin
[1920–25]This word is first recorded in the period 1920–25. Other words that entered Englishat around the same time include: checkout, fundamentalism, montage, self-service, tie-in

Examples of 'mole fraction' in a sentence
mole fraction

We now have global mole fraction records spanning multiple decades, prompting this lifetime re-evaluation.
M. Rigby, R. G. Prinn, S. O'Doherty, S. A. Montzka, A. McCulloch, C. M. Harth, J.Mühle, P. K. Salameh, R. F. Weiss, D. Young, P. G. Simmonds, B. D. Hall, G. S. Dutton,D. Nance, D. J. Mondeel, J. W. Elkins, P. B. Krummel, L. P. Steele, P. J. Fraser 2013, 'Re-evaluation of the lifetimes of the major CFCs and CH3CCl3using atmospheric trends', Atmospheric Chemistry and Physicshttp://www.atmos-chem-phys.net/13/2691/2013/acp-13-2691-2013.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The gas mole fraction threshold maintaining three-phase equilibrium was obtained by phase equilibrium data regression.
Weilong Zhao, Hao Wu, Jing Wen, Xin Guo, Yongsheng Zhang, Ruirui Wang 2019, 'Simulation Study on the Influence of Gas Mole Fraction and Aqueous Activity underPhase Equilibrium', Processeshttps://www.mdpi.com/2227-9717/7/2/58. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The mean hydrogen mole fraction in baseline northern hemispheric air was found to be 500.1 ppb.
A. Grant, C. S. Witham, P. G. Simmonds, A. J. Manning, S. O'Doherty 2010, 'A 15 year record of high-frequency, in situ measurements of hydrogen at Mace Head,Ireland', Atmospheric Chemistry and Physicshttp://www.atmos-chem-phys.net/10/1203/2010/acp-10-1203-2010.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Symmetrical curves were observed for the systems in which the maximum occurs approximately at 0.7-mole fraction of acetonitrile.
Ch. V. V. Ramana, A. B. V. Kiran Kumar, M. Ashok Kumar, M. K. Moodley 2013, 'Dielectric and Excess Dielectric Constants of Acetonitrile + Butyl Amine, + Ethylamine,and + Methylamine at 303, 313, and 323 K', Journal of Chemistryhttp://dx.doi.org/10.1155/2013/687106. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The water activity, gas mole fraction in aqueous phase and the fugacity coefficient in vapor phase are discussed.
Weilong Zhao, Hao Wu, Jing Wen, Xin Guo, Yongsheng Zhang, Ruirui Wang 2019, 'Simulation Study on the Influence of Gas Mole Fraction and Aqueous Activity underPhase Equilibrium', Processeshttps://www.mdpi.com/2227-9717/7/2/58. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
This work explored the influence of gas mole fraction and activity in aqueous phase while predicting phase equilibrium conditions.
Weilong Zhao, Hao Wu, Jing Wen, Xin Guo, Yongsheng Zhang, Ruirui Wang 2019, 'Simulation Study on the Influence of Gas Mole Fraction and Aqueous Activity underPhase Equilibrium', Processeshttps://www.mdpi.com/2227-9717/7/2/58. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
For the zeotropic mixture, a mole fraction of 90% isobutane leads to the lowest specific costs per unit exergy.
Florian Heberle, Dieter Brüggemann 2016, 'Thermo-Economic Analysis of Zeotropic Mixtures and Pure Working Fluids in OrganicRankine Cycles for Waste Heat Recovery', Energieshttp://www.mdpi.com/1996-1073/9/4/226. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The effects of alloy mole fraction of the strain controlling layer and quantum dot dimensions are discussed.
Tarek A. Ameen, Hesameddin Ilatikhameneh, Archana Tankasala, Yuling Hsueh, James Charles,Jim Fonseca, Michael Povolotskyi, Jun Oh Kim, Sanjay Krishna, Monica S. Allen, JefferyW. Allen, Rajib Rahman, Gerhard Klimeck 2018, 'Theoretical study of strain-dependent optical absorption in a doped self-assembledInAs/InGaAs/GaAs/AlGaAs quantum dot', Beilstein Journal of Nanotechnologyhttps://doi.org/10.3762/bjnano.9.99. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Increasing the mole fraction of the strain controlling layer leads to a lower energy gap and a larger absorption wavelength.
Tarek A. Ameen, Hesameddin Ilatikhameneh, Archana Tankasala, Yuling Hsueh, James Charles,Jim Fonseca, Michael Povolotskyi, Jun Oh Kim, Sanjay Krishna, Monica S. Allen, JefferyW. Allen, Rajib Rahman, Gerhard Klimeck 2018, 'Theoretical study of strain-dependent optical absorption in a doped self-assembledInAs/InGaAs/GaAs/AlGaAs quantum dot', Beilstein Journal of Nanotechnologyhttps://doi.org/10.3762/bjnano.9.99. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
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