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Experimental comer

We will not deal here with the subject of EPR spectroscopy of the solid state. In this field of investigation a kind of delta-like approach such as that recently proposed to deal with molecular dynamics in the liquid state has developed naturally. According to the European Molecular Liquid Group (EMLG), the symbol A symbolizes the cooperative efforts of computer simulation, experiment, and theory. Knak Jensen and Hansen, for instance, carried out a computer simulation of the dynamics of N identical spins placed in a rigid simple cubic lattice subject to an external magnetic field Bq. a further example of numerical study is the paper of Sur and Lowe. Free-induction decay measurements,on the other hand, represent the experimental comer of this ideal triangle, the theoretical comer of which is, of course, expressed by the theoretical papers mentioned above. [Pg.325]

A two levels of full factorial experimental design with three independent variables were generated with one center point, which was repeated[3]. In this design, F/P molar ratio, Oh/P wt%, and reaction temperature were defined as independent variables, all receiving two values, a high and a low value. A cube like model was formed, with eight comers. One center point (repeated twice) was added to improve accuracy of the design. Every analysis results were treated as a dependent result in the statistical study. [Pg.869]

Liu, Z. Sun, X., and Ma, C., 2005, Experimental study of the characteristics of solidification of satiric acid in an annulus and its thermal conductivity enhancement, Energy Comers. Mgmt. 46 971—984. [Pg.150]

Ozturk, H.H., 2005, Experimental evaluation of energy and exergy efficiency of a seasonal latent heat storage system for greenhouse heating, Energy Comers. Mgmt. 46 1523—1542. [Pg.150]

The process requires the interchange of atoms on the atomic lattice from a state where all sites of one type, e.g. the face centres, are occupied by one species, and the cube comer sites by the other species in a face-centred lattice. Since atomic re-arrangement cannot occur by direct place-exchange, vacant sites must play a role in the re-distribution, and the rate of the process is controlled by the self-diffusion coefficients. Experimental measurements of the... [Pg.189]

The characteristics of monatomic height step formation ofCu under-potential deposition on Ag(l 11) in sulfuric acid solution were observed to be dependent on electrode potentials/ At more positive underpotential deposition potential regions, STM revealed the frizzy edges of Cu underpotential deposition at the comers of Cu islands growing on the Ag( 111) terrace STM. The kink site mobility was roughly estimated as 3000 nm s . Monatomic height steps on Au(l 11) electrodes did not show any sign of frizziness under the experimental condition. ... [Pg.239]

Figure 6 depicts the relationship between the specific enthalpy of denaturation measured for CBH I at each of the pH values used in this study, and the of the principal peak at that pH. The strai t line represents a least>squares best fit to the four experimental data points and the empirically derived intersection point (Reference 2, see Discussion) in the upper right comer. All the values determined in the absence of cellobiose, both those at pH values at which the denaturation exhibits a substantial degree of overall reversibility, and those at which the overall process is completefy irreversible, are in reasonably good agreement with the linear relationship. [Pg.323]

The inhibition-acceleration mechanism. Moffat et al. (37) proposed the inhibition-acceleration mechanism to explain the experimentally observed comer rounding (inversion of curvature. Fig. 19 in Ref. 37) and general shape evolution in superconformal electrodeposition of copper in vias and trenches of nanometer dimensions (37,38). These authors also smdied a three-additive system composed of two inhibitors and one accelerator. They concluded that superconformal deposition and comer rounding may be attributed to competitive adsorption of inhibitor and accelerator. This model is based on the assumption of curvature (in vias and trenches) -enhanced accelerator coverage. [Pg.329]

Comer R, Tiyson G (1977) An experimental determination of absolute half-cell emfs and single ion free energies of solvation. J Chem Phys 66 4413-4424... [Pg.184]

By defining the optimum fractionation of case I solute and case V solute as the maximum of the value (// — /v)2, the optimum membrane pore size distribution that corresponds to the maximum fractionation can be searched for. For example, the optimum fractionations are represented in Figure 7 by a circular region located at the left-top comer of the fractionation data bank. The necessary pore size distributions for achieving such optimum fractionations were produced because membranes 2, 3, and 4 and experimental data from the membranes fell precisely into the circular region. Thus, the fractionation of case I and case V solutes can be optimized by a proper design of the pore size and pore size distribution by computer analysis and the formation of membranes that possess the calculated pore size distributions. [Pg.164]

The calculated curves agree well with the measured values. At low concentrations of a-methylstyrene (lower left comer of the diagram) there are greater deviations. The experimentally measured concentrations of a-methylstyrene he above the calculated ones. This difference cannot yet be explained. It is noteworthy that the statistical deviation is higher than at lower temperatures. [Pg.177]

This is exotic because one of the carbon atoms is forced to have very unusual pyramidal bonding tetracoordinate carbon normally has its four bonds directed toward the comers of a tetrahedron, but the apical carbon of 1 has all four bonds pointing forward. Without any further investigation of 1 we can thus characterize it as exotic. Of course without further investigation we cannot assert with confidence if it can exist, much less what its properties might be. Semiempirical and low-level ab initio [1, 2] and higher-level ab initio [3] studies on pyramidane have been published, and work on this and related molecules is reviewed [4], SE methods cannot be trusted for molecules like pyramidane because they are parameterized using information, whether experimental or calculated, for normal molecules. [Pg.635]


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See also in sourсe #XX -- [ Pg.219 ]




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