نتایج جستجو برای: chemical liquids

تعداد نتایج: 397571  

2013
Toshinori SUZUKI

Polyatomic molecules have several electronic states that have similar energies. Consequently, their chemical dynamics often involve nonadiabatic transitions between multiple potential energy surfaces. Elucidating the complex reactions of polyatomic molecules is one of the most important tasks of theoretical and experimental studies of chemical dynamics. This paper describes our recent experimen...

Journal: :Physical review 2021

We study the low-temperature thermodynamics of weakly-interacting uniform liquids in one-dimensional attractive Bose-Bose mixtures.~The Bogoliubov approach is used to simultaneously describe quantum and thermal fluctuations. First, we investigate detail two different mechanisms driving liquid-to-gas transition, dynamical instability evaporation, draw phase diagram. Then, compute main thermodyna...

Journal: :international journal of environmental research 2015
m. hagner e. kuoppala l. fagernäs k. tiilikkala h. setälä

wood vinegar is the aqueous phase of the liquid produced during the slow pyrolysis of wood.it has the potential to be used as a pesticide against various weeds, insects and molluscs. due to divergentfeedstocks, pyrolysis processes and storing conditions, the chemical composition of wood vinegar variesbetween producers and time. the aim of our current study was to use the copse snail arianta arb...

2003
Hu Cang Jie Li V. N. Novikov M. D. Fayer

A comparison is made of the dynamics observed over wide ranges of time and temperature between five supercooled liquids and four isotropic phase liquid crystals that have been previously studied separately. Optical-heterodyne-detected optical Kerr effect ~OHD–OKE! measurements were employed to obtain the orientational relaxation dynamics over time scales from sub-ps to tens of ns. For the super...

Journal: :caspian journal of chemistry 2014
moslem lakouraj zari fallah mahmood tajbakhsh vahid hasantabar

bifunctional acidic ionic liquids, having both h-imidazolium and -so3h groups as cation moieties (h-bfails) and cf3so3- as anion, were synthesized in high yields. these h-bfails showed significant hydrophilic properties, lower acidity and higher thermal stability relative to common ionic liquids, due to their unique structures. the (propyl or butyl-3-sulfonic) imidazolium trifluoromethane sulfo...

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