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Subdivision potential

The term dN in (5.2) is called the subdivision energy, and is the subdivision potential, that is, the energy term necessary to divide small systems by increasing their number when temperature, pressure, and the total number of molecules Me kept constant. When the average number of molecules per small system Nj increases, the thermodynamic variables approach those of macroscopic systems, and vanishes. [Pg.98]

Fig. 6. The density of the invariant measure of the potential Vi for total energy F = 4.5. Results of the subdivision approach (left) and a direct simulation with about 4.5 million steps for stepsize t = 1/30 (right). Fig. 6. The density of the invariant measure of the potential Vi for total energy F = 4.5. Results of the subdivision approach (left) and a direct simulation with about 4.5 million steps for stepsize t = 1/30 (right).
Field studies are required to provide a more reaUstic picture of the dissipation of the parent compound and those degradates determined to be significant. Under field conditions pesticides are exposed simultaneously to the individual dissipation processes that were examined separately in the laboratory studies. Thus, in field studies, some dissipation processes may be altered due to competition and interaction. Requirements for spray drift data were outlined in draft Subdivision R, but the EPA agreed that data generated on a generic basis by an industry consortium could represent the potential for drifting of individual pesticides. [Pg.147]

To determine the pipeline potentials, the resultant induced field strengths have to be included in the equations in Section 23.3.2. Such calculations can be carried out with computers that allow detailed subdivision of the sections subject to interference. A high degree of accuracy is thus achieved because in the calculation with complex numbers, the phase angle will be exactly allowed for. Such calculations usually lead to lower field strengths than simplified calculations. Computer programs for these calculations are to be found in Ref. 16. [Pg.521]

The active state of luminescence spectrometry today may be judged ly an examination of the 1988 issue of Fundamental Reviews of Analytical Chemistry (78), which divides its report titled Molecular Fluorescence, Phosphorescence, and Chemiluminescence Spectrometry into about 27 specialized topical areas, depending on how you choose to count all the subdivisions. This profusion of luminescence topics in Fundamental Reviews is just the tip of the iceberg, because it omits all publications not primarily concerned with analytical applications. Fundamental Reviews does, however, represent a good cross-section of the available techniques because nearly every method for using luminescence in scientific studies eventually finds a use in some form of chemical analysis. Since it would be impossible to mention here all of the current important applications and developments in the entire universe of luminescence, this report continues with a look at progress in a few current areas that seem significant to the author for their potential impact on future work. [Pg.11]

The potential value of the discovery, classification and subdivisions of any NT receptors rests on the knowledge that... [Pg.146]

The changes in the dipole potentials are typically small, of the order of a few tenths of a volt, while work functions are of the order of a few volts. If we keep the solvent, and hence 3>ref, fixed and vary the metal, the potential of zero charge will be roughly proportional to the work function of the metal. This is illustrated in Fig. 3.6. A more detailed consideration of the dipole potentials leads to a subdivision into separate correlations for sp, sd, and transition metals [3]. [Pg.30]

The term terrorism, according to HSA, Sect. 4(15), is defined as any activity that — (A) involves an act that — (i) is dangerous to human life or potentially destructive of critical infrastructure or key resources and (ii) is a violation of the criminal laws of the United States or of any State or other subdivision of the United States and (B) appears to be intended — (i) to intimidate or coerce a civilian population (ii) to influence the policy or a government by intimidation or coercion or (iii) to affect the conduct of a government by mass destruction, assassination, or kidnapping. [Pg.265]

Let us now examine the nature of the appropriate atomic charges. The notion of atomic charge evidently carries the idea of a mental subdivision of the molecule into atomic regions, but without altering our basic approach— the nature of the problem (and of its solution) is stiU a matter of electrostatic potentials at the nuclei. [Pg.52]

Another example of subdivision/dispersion is given by the classic disintegration of metals that occurs when two electrodes of the same metal are submersed and subjected to an electric potential that causes arcing (Bredig s arc). Here, metal melts at the electrode tips and becomes dispersed into suspension. Such suspensions can be stabilized by the presence of peptizing electrolyte. [Pg.212]

In all the chemolocation assays with pea crabs, the attraction of crabs from each host race to their respective host was substantially less than 100%, and some crabs chose incorrect hosts, suggesting that there may still be at least the potential for gene flow among populations. These experiments were conducted with adult crabs, and host location experiments with larval or post-larval forms that are normally responsible for initial host selection might be particularly informative. Nevertheless, this series of studies suggests that within-species differences in chemically mediated host location may lead to population subdivision and reproductive isolation among marine species. [Pg.180]

Besides the potential-dependent adsorption of a poison, i.e. a species that is different from the electroactive species or current carrier, other mechanisms are discussed that may hide a region of negative differential resistance and thus give rise to oscillations on a branch of the I-U curve with positive slope. According to specific mechanistic features, a subdivision of HN-NDR oscillators was proposed into originally three subclasses [12]. [Pg.131]

A potentially confusing aspect of transferrin structure and function is that, prior to determination of the lactoferrin and transferrin structures, the N- and C-terminal halves of each molecule were often referred to as N- and C-domains. Given the clear subdivisions apparent in Fig. 4, however, the commonly accepted definition of protein domains (separately folded units see Ref. 83), and the functional importance of these units, it seems preferable to think of the transferrins as proteins comprising two lobes, but four domains. [Pg.400]

Suppose now, that the potential V is spline fitted We consider the general polydimensional case and that the number of mesh points in all directions are equivalent to infinity (N -> < ). This situation is always attainable from a polydimensional grid of computed values in a sufficient quantity by subdivision of the step in each direction and preliminary interpolation of purely numerical supplementary values to be used in the spline expression, which therefore is ... [Pg.22]

Though a bit artificial, the subdivision into a Stern and a diffuse part has proven its value. One reason Is that the diffuse part can be described with relatively simple analytical equations that become exact at sufficiently large distance from the surface. These two parts play central roles in electrokinetics, colloid stability and many other phenomena where diffuse double layer theory is found to apply well. From the more theoretical side, the diffuse part is characterized by relatively low potentials, so that deviations from ideality are... [Pg.260]


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See also in sourсe #XX -- [ Pg.98 ]




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