Results 291 to 300 of about 1,484,765 (329)

Interfacial Interaction‐Mediated Regulation of Metal Oxidation States for Enhanced CO2 Reduction

Advanced Functional Materials, EarlyView.
A hybrid strategy is employed to optimize bismuth–oxygen interactions, precisely regulating interfacial bismuth–oxygen bonds during topochemical synthesis. This leads to vanadium oxynitride‐bismuth catalyst exhibiting high Faradaic efficiency and durability for formate production, attributed to enhanced reaction thermodynamics and kinetics.
Zhongyuan Ma, Cheng Lin, Hyug Hee Han, Youn‐Sang Bae, Kug‐Seung Lee, Kan Zhang, Jong Hyeok Park   +6 more
wiley   +1 more source

Microsecond-Scale Molecular Dynamics Simulation of Phase Transition of a Bilayer Ice: Kinetic Constraints in Confined Water. [PDF]

J Phys Chem B
Zhu W, Li Y, Wang H, Chen Z, Liu X, Li Z, Zhao W, Zeng XC.   +7 more
europepmc   +1 more source

Evaluation of complex multi-physics phenomena at gas diffusion electrodes during high-pressure water electrolysis with AEMs. [PDF]

Sci Rep
Delp E, Mishra R, Wagner E.
europepmc   +1 more source

Comparing and combining methods that enhance liquid-gas mass transfer in a batch reactor: Ultrasonic degassing, aeration by gas bubbling, and liquid agitation. [PDF]

Ultrason Sonochem
Kuhn WL, Hihn JY, Solemslie BW, Dahlhaug OG.   +3 more
europepmc   +1 more source

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High Pressure Liquid Chromatography

Journal of Pharmaceutical Sciences, 1973
Abstract Prior to 1967, liquid column chromatography (LCC) separations were not normally carried out in an optimum manner; for this reason, the technique was viewed as slow and inefficient (1–3). Consequently, other techniques such as thin-layer chromatography (TLC) and gas chromatography (GC) found favor.
D.W. Cornish, A.F. Michaelis, R. Vivilecchia   +2 more
openaire   +3 more sources

Effects of high pressure in liquid chromatography

Journal of Chromatography A, 2005
All the experimental parameters that the chromatographers are used to consider as constant (the column length and its diameter, the particle size, the column porosities, the phase ratio, the column hold-up volume, the pressure gradient along the column, the mobile phase density and its viscosity, the diffusion coefficients, the equilibrium constants ...
Georges Guiochon, Georges Guiochon, Michel Martin   +2 more
openaire   +3 more sources

Liquid densities at high pressures

Fluid Phase Equilibria, 1999
Abstract Aalto et al. recently proposed a model for compressed liquid densities. The model was found more accurate than the Hankinson–Brobst–Thomson (HBT) and Chang–Zhao models. However, the pressure region of the data studied was limited to 200 bar maximum. In this work, the recently developed liquid density model is extended to high pressures.
Kari I. Keskinen, Mika Aalto
openaire   +2 more sources

High-pressure liquid chromatography of steroids

Journal of Chromatography A, 1979
After a brief discussion of the merits and limitations of high-pressure liquid chromatography (HPLC) relative to other chromatographic methods, special problems in the application to steroids are discussed. Publications on HPLC of steroids are then discussed under the headings of individual classes, arranged generally in the order of increasing ...
Irving R. Hunter, Erich Heftmann
openaire   +3 more sources

Densities of Liquid Silicates at High Pressures

Science, 1984
Densities of molten silicates at high pressures (up to ∼230 kilobars) have been measured for the first time with shock-wave techniques. For a model basaltic composition (36 mole percent anorthite and 64 mole percent diopside), a bulk modulus K s of ∼230 kilobars and a pressure derivative ( dK
Rigden, Sally M., Ahrens, Thomas J., Stolper, Edward M.   +2 more
openaire   +4 more sources