منابع مشابه
EXAFS Study of Ni + Coordination in Nitrate Solutions
The coordination of the nickel ion in aqueous solutions of several salts, particularly of NiCl 2 , has been extensively studied using different techniques [1-13]. Very little structural information exists, however, on solutions of nickel nitrate. A 1 M solution was investigated by X-ray diffract ion [1], while the cation coordination was studied by the EXAFS technique in two extreme cases: a ve...
متن کاملOverview of the standard EXAFS data analysis procedure Introduction Interpretation of EXAFS data is normally based on the EXAFS equation
with appropriate accomodation for forward scattering (\focussing e ect") for higher shells, and inclusion of higher cumulants as necessary. The aim of data analysis is to determine the distances, coordination numbers, disorder parameters and types of atoms in the various coordination shells for the \unknown" sample. The extent to which this is possible depends on the nature of the system, the q...
متن کاملAmplitude reduction in EXAFS.
In real systems, inelastic processes remove photoelectrons from the elastic scattering channel. This reduces the amplitude of the EXAFS causing disagreement between the experimental and theoretically predicted amplitudes. Traditionally these discrepancies were treated by including two semi empirical reduction factors in the data analysis: a mean tree path term, which models the so called extrin...
متن کاملOverview of the standard EXAFS data analysis procedure Introduction Interpretation of EXAFS data is normally based on the EXAFS equation
with appropriate accomodation for forward scattering (\focussing e ect") for higher shells, and inclusion of higher cumulants as necessary. The aim of data analysis is to determine the distances, coordination numbers, disorder parameters and types of atoms in the various coordination shells for the \unknown" sample. The extent to which this is possible depends on the nature of the system, the q...
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Objective. Nebulized budesonide and nebulized adrenaline have been shown to be effective in the treatment of moderately severe croup. However, there has been no direct comparison of these therapies. We undertook a multicenter, randomized, double-blind, parallel group study in 66 hospitalized children with viral or spasmodic croup. Methods. Children 0.5 to 6 years of age were assessed using a va...
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ژورنال
عنوان ژورنال: Journal de Physique III
سال: 1991
ISSN: 1155-4320,1286-4897
DOI: 10.1051/jp3:1991243