The diffusion of small molecules across a copolymer membrane is simulated as a site percolation problem, assuming that in copolymers consisting of A and B units, B are active sites and A are inactive sites. Molecular modeling is conducted in three steps: (i) generation of a copolymer by a ...
Their domain of existence in the pseudo-ternary phase diagram is limited compared to that observed for microemulsions with classical surfactants and located in the vicinity of the miscibility curve of the ternary solvents mixture. From dialysis equilibrium and viscosity measurements, it has been ...
André, J. MUniversité Catholique De Louvain Laboratoire de Chimie Quantique (Dir.: G. Leroy) Kapeldreef Egenhoven‐Heverlee (BelgiumDelhalle, JUniversité Catholique De Louvain Laboratoire de Chimie Quantique (Dir.: G. Leroy) Kapeldreef Egenhoven‐Heverlee (BelgiumLeroy, G...
M. SouaA. JouiniM. DabbabiActa Crystallographica
Roussel, JLaboratoire des Composés Azotés Polyfonctionnels. E.R.A. au C.N.R.S. n° 264. Université Paul Sabatier, 118, route de Narbonne ‐31 ‐ Toulouse, FranceLattes, ALaboratoire des Composés Azotés Polyfonctionnels. E.R.A. au C.N.R.S. n° 264. Université Paul Sabatier, ...
The trialkyl-silyl-, -germyl- and -stannyl-phosphines R 3 MPEt 2 react with β-propiolactone via the cleavage of the alkyl-oxygen bond of the lactone, leading to the trialkylmetal β-diethylphosphinopropionates R 3 M O CO CH 2 CH 2 PEt 2 (M = Si, Ge, Sn). These reactions are...
American AnthropologistJ. P. B. de Josselin de Jong
We have studied the compounds with metal/tellurium ratio less or equal to unity in the ternary system Ni Co Te. The limits of the homogeneity range of the hexagonal (Ni, Co) 1–x Te phase have been fixed for different Ni/Co ratios. The compounds formed in the series (Ni λ Co 1–...
Intervención Communitaria: Aspectos Científicos, Técnicos y Valorativos (Community Intervention: Scientific, Technical and Ethical Aspects). Sánchez-Vidal, A. and Musitu, G. (eds) (1996). EUB, Barcelona: pp. 410. 3.500 pesetas ISBN 84-89607-32-X....
Pekeris' solution for vibrational-rotational levels of the Morse potential includes the unphysical domain − ∞ < r < 0 of the internuclear separation, just like Morse's solution for vibrational levels. In this article, the method of confinement in a box is implemented to obtain the ...