Results 201 to 210 of about 13,156 (264)

The effect of pressure and temperatue on the micelle formation of dodecylbenzyldimethyl-ammonium chloride solution (The co-operative researches on the fundamental studies of the liquid phase reactions at high pressures)

, 1968
Jirō Ōsugi, Masanori Sato, Naoyuki Ifuku   +2 more
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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.
A F, Michaelis, D W, Cornish, R, Vivilecchia   +2 more
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High pressure vapour-liquid equilibrium. III

Fluid Phase Equilibria, 1977
Abstract Wichterle, I., 1978. High pressure vapour-liquid equilibrium. II. Phenomenological description. Part 2. Fluid Phase Equilibria, 1: 225–245. A phenomenological description of fluid systems (except for l-g phase equilibrium) is presented.
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High-pressure liquid-liquid phase change in carbon

Physical Review B, 1993
The likelihood of a first-order liquid-liquid phase change in carbon from a mostly graphitic configuration to one that is more tetrahedral in character is explored. Liquid-phase changes in other materials are noted. Pertinent data on liquid carbon are reviewed and the model is briefly described.
, van Thiel M, , Ree
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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 ...
E, Heftmann, I R, Hunter
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High pressure liquid chromatography of oligodeoxyribonucleotides

Biochimica et Biophysica Acta (BBA) - Nucleic Acids and Protein Synthesis, 1973
Abstract A high pressure liquid chromatography system capable of resolving oligodeoxy-ribonucleotides of intermediate size is described. Columns filled with a pellicular weak anion exchanger consisting of a polymeric aliphatic amine permit the rapid resolution of small amounts of oligomers.
A F, Cook, A, de Czekala, T F, Gabriel, C L, Harvey, M, Holman, J E, Michaelewsky, A L, Nussbaum   +6 more
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High-pressure liquid chromatography of peptides

Journal of Chromatography A, 1977
Peptides varying in size from di- to decapeptide have been subjected to high-pressure liquid chromatography on Phenyl-Corasil, Poragel PN, and Poragel PS under reversed-phase conditions with acetonitrile-water mixtures. It has been found that residual silanol groups in the Phenyl-Corasil and the functional groups in the Poragels significantly influence
J J, Hansen, T, Greibrokk, B L, Currie, K N, Johansson, K, Folkers   +4 more
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High frequency dynamics in liquid Cs at high pressure

The Journal of Chemical Physics, 2009
We report on an inelastic x-ray scattering investigation of the high frequency dynamics of liquid cesium at 493 K and 1 GPa, which corresponds to a density 23% higher than that at the room pressure melting point. The analysis of the spectra, performed within the framework of the memory function approach suggests the existence of two different ...
V. GIORDANO, MONACO G
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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.
Mika M Aalto, Kari I Keskinen
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High-back-pressure liquid chromatography

Journal of Chromatography A, 1982
Abstract The retention behaviour of solutes on various stationary phases was studied by micro-high-performance liquid chromatography using liquefied solvents as the mobile phase. An octadecylsilylated stationary phase discriminates between coplanar and non-planar aromatic hydrocarbons in the normal-phase system using isobutane as the mobile phase ...
Toyohide Takeuchi, Daido Ishii
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