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Further Experimental Parameters

In summary, a combination of the plot based on equation (10.6), using any single substance, and determination of the asymptote (10.14), using any pair of substances, provides a sound means of evaluating the parameters K, tC and. Having found these, further experimental points on (10.6) and (10.15), and possibly also (10.7), provide a check on the adequacy of the dusty gas model. Provided attention is limited to binary mixtures, this check can be quite comprehensive. In their published paper Gunn and King... [Pg.93]

Compression of the PS II membrane monolayer shows that the monolayer collapses at a relatively low surface pressure, at around 20mN/m. This can be attributed to the formation of a multilayered structure [8] and some of PS II membrane fragments diffuse into the subphase. This observation further indicates that PS II membranes can only marginally stay at the air-water interface and one must be very careful in choosing the experimental parameters. [Pg.643]

Experimental measurements yield the mean value of the material flux JY, independent of the coordinates X and Y. If a further dimensionless parameter, the Sherwood number, is introduced,... [Pg.154]

The methods proposed for evaluating the parameters in this case are based on engineering judgments further experimental studies will provide better means of evaluation. [Pg.347]

The parameters, mentioned however, have not been clearly interpreted in terms of quality, i.e. what aspect of quality is measured The IQC provides a framework for further investigations to demonstrate the meaning of these parameters. In the apple and carrot experiments of the Louis Bolk Instituut, we demonstrated some experimental parameters in food products grown with different balances between growth and differentiation. Biocrystallisation pictures in particular, are able to show both the life processes of growth and differentiation, and their integration. In future we expect to find the key to work out the relevance of coherence for health in the balance (the integration) between the life processes. [Pg.61]

FeSa—m type structure confirm that Hyp. 6 is approximately satisfied, the ratio (a2 +c2)/62 varying between 0.995 (CrSba) and 1.035 (FeSba) in class A, and between 1.023 (CuSea) and 1.093 (CoTea) in class B. The situation concerning Hyp. 7 is similar to that for Hyp. 5 but, since FeSa is the only compound for which accurate positional parameters are available for both modifications xv —0.3840(5) and y=0.37820(5), cf. (5, 6)], further experimental tests of the degree of validity of this postulate are called for. Note that the less accurate parameters for NaC>2 satisfy (8) the relation exactly (xp =y=0.43). [Pg.90]

In the course of further work on characterizing the MCC sols it was found that the CCC of a variety of salts varied both with the solids content and temperature. Investigation of these parameters forms the basis of the study. It will be shown that as a result of particle shape, concentration and surface characteristics, coagulation leads to a gel-like structure. On further addition of salt the coagulated gel-like structure aggregates into floes that are irreversible. In this paper, we outline the experimental parameters which lead to these phenomena and present some possible explanations. [Pg.378]

To put this in better perspective, although it is true that the hyperfine values for Mu in GaAs and GaP are closer than for any other pair of similar crystals (they differ by 30 MHz or 1.0% see Table II), there are several other cases in which A values are close but just not that close. For example, Table II shows that the hyperfine parameters for ZnS and ZnSe differ by 91 MHz or 2.6% and those for Mu" in CuCl and CuBr differ by 39 MHz or 3.1%. All of these could be explained if they corresponded to muonium in a tetrahedral interstitial surrounded by four cations to which they more strongly bond than to the anions, a suggestion similar to that of Souiri et al. (1987) and Cox (1987). Whether this could also be consistent with the closeness of the A values for Mu1 and Mu11 in CuCl and in CuBr, with the pLCR observation of appreciable anion bonding for Mu" in CuCl (see Section IV.4) and with the cluster of hyperfine parameters in SiC near the average of the diamond and silicon values (see Section IV.5), will probably require further experimentation and especially theoretical study to determine. [Pg.588]

Once model discrimination has been accomplished (that is, from a large group of rival models one best model has been selected as being adequate), further experimentation can be conducted to improve parameter estimates. For such parameter-estimation experiments, one design criterion suggested is to choose experiments providing the most desirable posterior distribution of the parameters. Under certain assumptions (B15), the procedure reduces to the maximization of the determinant... [Pg.173]

The compartmentalization of experimental parameters is not rigorously exact, but provides a useful and practical approach to which further refinements sueh as the distance dependence of the exothermicity [36] and reorganization... [Pg.54]

Several computational methods require the user to input experimental parameters in order to make predictions. Examples include Yalkowsky s general solvation equation [18], which requires melting points, and Abraham s method [19], which requires five experimentally derived parameters. These methods are not useful for cases before the compounds are synthesized (e.g., in library design or virtual screening), and so they will not be considered further here. [Pg.384]

How the experimental panorama is influenced by parameters still to be defined was demonstrated by Shibata et al. [86]. Here, preliminary results obtained in aqueous media using a specific brand of high-purity commercial copper cathode were positive with regards to hydrocarbons C3+, provided that no electropolishing was performed before the electrochemical process. If electropolishing preceded the C02 reduction, the cathodes behaved similarly to any other copper cathode, leading essentially (besides hydrogen) only to methane end ethylene. A tentative explanation of this behavior was proposed which referred to the polycrystalline matrix of this brand of copper, which made it particularly adaptable to be covered by oxide layers active in the formation of C3+. However, further experimental evidence on the surface structure, composition and modifications with electrolysis time will be required to substantiate this hypothesis. [Pg.328]


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Experimental parameters

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