Results 81 to 90 of about 83,082 (173)

Additive scheme for calculation of solvation enthalpies of heterocyclic aromatic compounds. Sublimation/vaporization enthalpy at 298.15 K

, 2020
© 2016 Elsevier B.V. All rights reserved.Hereby we propose a method for determination of vaporization and sublimation enthalpies of heterocyclic and carbonyl-containing aromatic compounds at 298.15 K. According to this method vaporization and sublimation
Mukhametzyanov T., Solomonov B., Nagrimanov R.   +2 more
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Vapour pressure and enthalpy of sublimation of C₇₀

, 1993
The vapour pressure of pure C70 was measured in the temperature range 650-850 K by using the Knudsen effusion mass spectrometry resulting in the equation log(p/Pa) = -10219±78 / T(K) ± 11.596±0.065.
Balasubramanian, R., Srinivasan, T. G., Sai Baba, M., Lakshmi Narasimhan, T. S., Mathews, C. K., Sivaraman, N., Vasudeva Rao, P. R.   +6 more
core   +1 more source

Thermal-fluid analysis of an RTG-powered ice penetrator for europa subsurface access: CFD modeling with phase-regime analysis

Frontiers in Astronomy and Space Sciences
Europa, Jupiter’s ice-covered moon, harbors a subsurface ocean representing a prime target for astrobiological investigation. This study presents computational fluid dynamics (CFD) analysis of a radioisotope-powered thermal ice penetrator (cryobot ...
Wang Xing
doaj   +1 more source

Enthalpy of Sublimation in the Study of the Solid State of Organic Compounds. Application to Erythritol and Threitol [PDF]

, 2020
The enthalpies of sublimation of erythritol and L-threitol have been determined at 298.15 K by calorimetry. The values obtained for the two diastereomers differ from one another by 17 kJ mol -1 .
Jesus, J S Redinha, A J Lopes, Luciana I N Tomé, M Ermelinda Eusébio   +4 more
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Machine-learning-driven QSPR models for energetic molecules: A review on safety and energetic properties prediction

Chemical Engineering Journal Advances
The performance prediction and rational design of energetic molecules (EMs) remain central challenges in their development. Traditional experimental methods are constrained by prohibitively high costs and inherent safety risks, highlighting the urgent ...
Mingchi Gao, Tengxin Huang, Mingtian Li, Yingjun Zhang, Liangliang Wang, Junjie Ding   +5 more
doaj   +1 more source

Capturing the Crystal: Prediction of Enthalpy of Sublimation, Crystal Lattice Energy, and Melting Points of Organic Compounds

, 2016
Accurate computational prediction of melting points and aqueous solubilities of organic compounds would be very useful but is notoriously difficult.
Tu C. Le (1826737), David A. Winkler (220462), Maryam Salahinejad (1941646)   +2 more
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Enthalpies of solution, enthalpies of fusion and enthalpies of solvation of polyaromatic hydrocarbons: Instruments for determination of sublimation enthalpy at 298.15K

, 2020
© 2015. In this work a simple method for calculation of solvation enthalpies of polyaromatic hydrocarbons (PAHs) in various solvents at 298.15. K was proposed.
Varfolomeev M., Novikov V., Mukhametzyanov T., Solomonov B., Nagrimanov R.   +4 more
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The seasonal cycle of sublimation at Halley, Antarctica

, 2001
We have used micrometeorological data collected at Halley Research Station, Antarctica, to estimate monthly totals of snow sublimation. Direct sublimation from the snow surface is calculated using bulk-transfer formulae, while the sublimation of blowing ...
Anderson, P.S., Mann, GW, King, J.C., Mann, G.W., Anderson, PS, King, JC   +5 more
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Exploring the Volatility, Phase Transitions, and Solubility Properties of Five Halogenated Benzaldehydes

Molecules
Halogenated benzaldehydes possess unique chemical properties that render them valuable in pharmaceutical synthesis, pesticide formulation, and dye production. However, thorough thermodynamic data for these compounds remain scarce. This study aims to fill
Ana R. R. P. Almeida, Bruno D. A. Pinheiro, Gastón P. León, Bogdan Postolnyi, João P. Araújo, Manuel J. S. Monte   +5 more
doaj   +1 more source

New method for determination of vaporization and sublimation enthalpy of aromatic compounds at 298.15 K using solution calorimetry technique and group-additivity scheme

, 2020
© 2015 Elsevier B.V. All rights reserved. In this work a new method for determination of vaporization/sublimation enthalpies of aromatic compounds directly at T = 298.15 K was developed.
Buzyurov A., Varfolomeev M., Novikov V., Mukhametzyanov T., Solomonov B., Nagrimanov R., Fedorova Y.   +6 more
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