Big Chemical Encyclopedia

Chemical substances, components, reactions, process design ...

Articles Figures Tables About

Nuclear energy positions

Tire total energy equals the sum of the nuclear energy (the electrostatic repulsion between the positively charged nuclei) and the electronic energy. The electronic energy comprises... [Pg.55]

We shall probably see a development of practical applications of psi in the next few decades, as well as increased theoretical understanding of it. Such practical applications will be at least as revolutionary as the development of nuclear energy was. I doubt that there is anything inherent in the nature of psi that will keep us from using it for evil ends as well as desirable ones, so while we need to continue researching psi and its possible implications (it s too late to turn back), we have an even greater need to develop a more comprehensive psychology that can lead us to develop maturity and wisdom, as well as technical skill, to maximize our positive use and minimize our abuse of psi. [Pg.222]

In theory, a properly developed force field should be able to reproduce structures, strain energies, and vibrations with similar accuracies since the three properties are interrelated. However, structures are dependent on the nuclear coordinates (position of the energy minima), relative strain energies depend on the steepness of the overall potential (first derivative), and nuclear vibrations are related to the curvature of the potential energy surface (second derivative). Thus, force fields used successfully for structural predictions might not be satisfactory for conformational analyses or prediction of vibrational spectra, and vice versa. The only way to overcome this problem is to include the appropriate type of data in the parameterization process 501. [Pg.29]

The hurdles to be passed for a major evolution of fuels and transport, by use of nuclear energy and electrolytic hydrogen are quite important. Among those, are the new interfaces between the petroleum industry and the power industry, which have very different time lines and mental sets. As the positive potential of this solution is proven, it is now of major importance to exchange with the oil industry and progressively identifying economic opportunities for first applications or demonstrations of clean synfuel production. [Pg.305]

The dipole-dipole coupling and the inhomogeneities are responsible for line broadening in a NMR spectrum when the molecular motions are slow. From line width and form of the spectrum data may be obtained of nuclear positions. Hence, T2 determines the width of the resonance line, but has no correspondence with the saturation or the overall degree of occupation of the nuclear energy levels, like Ti has. T2 is always less than or equal to Ti (see Table 12.6). [Pg.373]

G. T. Seaborg and J. J. Katz, eds., The Actinide Elements, Positional Nuclear Energy Series, Div. IV, 14A, McGraw-Hill Book Co., Inc., New York, 1954 G. T. Seaborg, ed., Transuranium Elements Products of Modern Alchemy, Benchmark Papers, Dowden, Hutchinson Ross, Inc., Stroudsburg, Pa.,... [Pg.227]

The atom s structure has a nucleus at the center, surrounded by a cloud of electrons. Inside the nucleus are two types of particles, neutrons (electrically neutral) and protons (positively charged). Under special experimental conditions, neutrons can be released from the nucleus. They are useful for creating new radioactive materials or for producing large amounts of nuclear energy. [Pg.537]

Figure 2. The electronic energy is shown schematically as a function of the set of wave function parameters c. c) changes with time t as the nuclear change position. Figure 2. The electronic energy is shown schematically as a function of the set of wave function parameters c. c) changes with time t as the nuclear change position.
Because of the narrow energy line width of the Fe57 y-radiation small relative displacements between source and absorber nuclear levels can be measured by the Mossbauer effect. The position of the nuclear energy levels is, influenced by electrostatic and magnetic interactions between the atomic electron shell and the Mossbauer nucleus. Three different types of interaction are of interest and will be described briefly. [Pg.106]


See other pages where Nuclear energy positions is mentioned: [Pg.854]    [Pg.871]    [Pg.749]    [Pg.35]    [Pg.209]    [Pg.502]    [Pg.29]    [Pg.105]    [Pg.113]    [Pg.115]    [Pg.130]    [Pg.108]    [Pg.8]    [Pg.42]    [Pg.222]    [Pg.5]    [Pg.157]    [Pg.239]    [Pg.239]    [Pg.5]    [Pg.60]    [Pg.146]    [Pg.257]    [Pg.228]    [Pg.101]    [Pg.104]    [Pg.6269]    [Pg.98]    [Pg.750]    [Pg.134]    [Pg.243]    [Pg.592]    [Pg.68]    [Pg.108]    [Pg.89]    [Pg.289]    [Pg.592]    [Pg.76]    [Pg.6268]    [Pg.206]   
See also in sourсe #XX -- [ Pg.416 , Pg.419 , Pg.420 , Pg.421 , Pg.422 ]

See also in sourсe #XX -- [ Pg.416 , Pg.419 , Pg.420 , Pg.421 , Pg.422 ]




SEARCH



Nuclear energy

Positive-energy

© 2024 chempedia.info