Big Chemical Encyclopedia

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

Articles Figures Tables About

Second body

In Figure 9.7 stresses are imposed on a body showing ordinary elastic deformation only, a second body showing high elastic deformation only and a third body showing viscous deformation only. The stress is imposed at time to and held at a constant value until time t, when it is removed. Deformation... [Pg.195]

In collisions between two bodies the contact force and the duration of contact are usually unknown. However, the duration of contact is the same for both bodies, and the force on the first body is the negative of the force on the second body. Thus the net change in momentum is zero. This is called the principle of conservation of momentum. [Pg.164]

Radiation. All materials radiate thermal energy in the form of electromagnetic waves. When this radiation falls on a second body it may be partially reflected, transmitted, or absorbed. It is only the fraction that is absorbed that appears as heat in the body. [Pg.381]

In practice, the concept of temperature is most useful when determining whether two bodies are in thermal equilibrium. Firstly, we need to appreciate how these equilibrium processes are always dynamic, which, stated another way, indicates that a body simultaneously emits and absorbs energy, with these respective amounts of energy being equal and opposite. Furthermore, if two bodies participate in a thermal equilibrium then we say that the energy emitted by the first body is absorbed by the second and the first body also absorbs a similar amount of energy to that emitted by the second body. [Pg.10]

On a scale of 1-5, this essay received a 2. It shows a basic understanding of the assignment, but little development. The writer lays out three ways her mother has been influential in her life, but then fails to adequately develop them with examples. In the second body paragraph, the writer never makes a connection between her mother s strictness and being a devoted mother. In addition, she doesn t really discuss how this has affected her. There is a weak introduction with no real hook, and a short conclusion that weakens the organization of the essay. The sentences are simple and contain noticeable errors, particularly mn-on sentences. Overall, this response shows marginal competence in writing. [Pg.167]

The vdw force can be repulsive for two different materials interacting within a third medium. In this case one material must interact more strongly with the medium than with the second body. [Pg.148]

II. Topic sentence from the second body paragraph... [Pg.96]

A. Example 1 in second body paragraph that supports the topic sentence... [Pg.96]

Point-to-point geometric similarity of two bodies (e.g., two mixing tanks) requires three-dimensional correspondence. Every point in the first body is defined by specific x, y, and z coordinate values. The corresponding point in the second body is defined by specific x, y, and z coordinate values. The correspondence is defined by the following equation ... [Pg.113]

Problem For a body that is being considered, the convection heat transfer coefficient to the adjacent air is 33 W/(m2.°C), and the radiative heat transfer coefficient from this body to another body is approximately 36 W/(m2.°C). If the temperature of the first body is 188° C, that of the adjacent air is 22°C, determine the temperature of the second body so that the heat transferred by convection is equal in magnitude to the heat transferred by radiation. The area ratio Aconv Arad is 1 1.2. [Pg.26]

Assume T2 is the temperature of the second body. It is given that... [Pg.26]

One may now define a property fj/x ) for the first body and f2(x2) for the second body, such that the three conditions... [Pg.34]

There is a large body of evidence, mainly from mice and rats, suggesting that low consumption of dietary n- 3 fatty acids results in impaired cognitive and/or visual performance. Because of the differential abilities of mammals to synthesize DHA from LNA, a second body of data addresses the issue of providing preformed DHA to animals that are not n-3 deficient. [Pg.366]

The numerical results are collected in Tables II and III (respectively, for first rank and second rank correlation functions for a first rank interaction potential) and Tables IV and V (second rank potential). Each entry is defined for a value of the potential parameter (u, or V2) and a value of the diffusion coefficient of the second body (02)- The column on the left contains the zero-frequency spectral density or autocorrelation time... [Pg.139]

Throughout this set of simulations, the unit of frequency has been chosen as the streaming frequency of body 1, that is, Wj = 1 the ratio between the moments of inertia has been set equal to 10, that is, /j/Zj = 10, so that the streaming frequency of the second body is given by Wj = 1 /VTO. Finally, the collision frequency of body 2 has been maintained at 100. The only parameters varied were the collision frequency of body 1, 0) (for values of 50 (damped case), 5 (intermediate case), 0.5 (inertial case)). The computations were performed both for a first rank potential (u, =0, 1,...,3) and for a second rank potential (i>2 = 0, 1,..., 3). Orientational correlation functions of rank 1 and 2 for body 1 have been computed also, correlation functions for the reorientation of the conjugate momentum L, have been evaluated. [Pg.156]

Figure 13 shows Gj t) for a second rank potential coupling. The effect of the second body is still negligible in the overdamped case (Fig. 13a),... [Pg.167]

These matters are described in more detail in the last set of calculations included in the present work. We have considered a fixed core friction (from the unspecified fast solvent modes) and fixed dimensions for the second body (o = 1/VTO, >2 100, with frictional parameters tv, (O2. To further simplify the analysis we have kept o>2 = lOtv, and we have varied tv, from 0 to 400. [Pg.171]


See other pages where Second body is mentioned: [Pg.29]    [Pg.121]    [Pg.167]    [Pg.135]    [Pg.70]    [Pg.186]    [Pg.187]    [Pg.187]    [Pg.190]    [Pg.218]    [Pg.27]    [Pg.42]    [Pg.103]    [Pg.47]    [Pg.52]    [Pg.122]    [Pg.356]    [Pg.547]    [Pg.179]    [Pg.249]    [Pg.250]    [Pg.95]    [Pg.103]    [Pg.150]    [Pg.150]    [Pg.155]    [Pg.155]    [Pg.159]    [Pg.180]   
See also in sourсe #XX -- [ Pg.186 , Pg.187 , Pg.218 ]




SEARCH



Multi-body second order perturbation theory

Second quantization and the many-body problem

Second-order many-body perturbation

Second-order many-body perturbation approaches

Second-order many-body perturbation theory

Some Applications of Second-order Many-body Perturbation Theory with a Moller-Plesset Reference Hamiltonian

© 2024 chempedia.info