Big Chemical Encyclopedia

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

Articles Figures Tables About

Integration formal

These M- values can also be evaluated in general by formal integration. This fact is going to be proven in the case of the photoaddition treated above. Eq. (5.36) can be rearranged to the form [Pg.332]

This is another example where quasi-linear photoreactions can be conveniently evaluated by formal integration. If the values of all concentrations have been measured, one can use eq. (2.30). By multiplication of [Pg.332]

Under these conditions it is necessary to differentiate with respect to the transformed time scale 0. For simplification F E) is defined as F E )11000/(). By formal integration one obtains [Pg.333]

Example 5.15 Consecutive photoreaction with equilibrium in the 2nd step For the consecutive photoreaction [Pg.333]

This system of equations can be evaluated by linear regression. The rate-constants 1, 2 3 be determined directly. If the proportionality con- [Pg.334]


Equation (11-1) can be formally integrated to give the outside area required to transfer the total heat loaa ( r ... [Pg.1034]

Let us compare in detail the differential theory results with those obtained for rotational relaxation kinetics from the memory function formalism (integral theory). Using R(t) from Eq. (1.107) as a kernel of Eq. (1.71) we can see that in the low-density limit... [Pg.41]

Thus, the SAD equations of motion can be transformed into (61) aild (62), by formally integrating (21) to obtain a system of integral equations, which can then be put into Inglesfleld s form, by making the change of variables (65), followed by some rearrangement of terms. [Pg.357]

To obtain the overall AG of chemical reaction, we formally integrate (8.53) from f = 0 (reactants) to 1 (products) under constant- conditions,... [Pg.293]

The FAT provides evidence that the hardware and software are fully integrated, that they operate as indicated in the computer system specification deliverable, and meet the expectations of the user as defined in the requirements specification deliverable. This final formal integration test should be completed in an environment very similar to the operational environment. The system can be subjected to a real-world environment by using emulators and/or simulators which mimic system interfaces. The user s representative should evaluate the supporting documents, the operation, system functionality, and system reliability. [Pg.224]

Then the equation for the irrelevant part is formally integrated... [Pg.358]

The formal integral definition of the direct gas-gas exchange area is... [Pg.35]

Note that Eq. (27) can be used to transform any function expressed in the old variables x as a function of the new variables y. Similarly, Eq. (29) is used to transform any function in y by a function of x. In this respect we can compute a formal integral of the original system by going back to the departure system. Specifically if the normal form calculations have been carried out to an order M > 1, then we determine T (x e) as... [Pg.196]

Cp/T)dT is accomplished by substitution for Cp, followed by formal integration. For temperature limits of To and T the results are conveniently expressed as follows ... [Pg.350]

These theoretical frameworks were selected for formal integration and explanation , making no assumptions other than the ability of living beings to reproduce and that some chemical features of (biocatalytically) essential can be pinpointed which distinguish them from non-essential elements. Explanation here means reduction to some theoretical framework in quantitative terms also, that is, constructing a model which can account for the observed effects vs. exclusion of others which are not observed, e.g., non-essentiality of some other elements owing to a semi-empirical description of their chemical properties. [Pg.14]

As an illustration of the formal integral transform procedure, a transient convection-diffusion problem of n coupled potentials (velocity, temperature or concentration) is considered. These parameters are defined in tiie region V with boundary surface S and including non-linear effects in the convective and source terms as follows ... [Pg.177]

The linear dynamical equation can be formally integrated to yield... [Pg.77]

A major research objective of the IMPROVE project is the development of an integrated process/product model, which enables a comprehensive and formal description of the products and processes of the application domain. As previously argued in Subsect. 1.1.2 and later elaborated in Sect. 6.1, the application domain models presented in this chapter jointly constitute the upper layer of such a process/product model (cf. Figs. 1.6 and 6.1). This, of course, requires the formal integration of the different application domain models into a common framework. [Pg.169]

As a prerequisite for a formal integration, all four submodels must be represented in a common modeling language. The Web Ontology Language OWL... [Pg.169]

Based on the aforementioned basics of polymer compounding and process analysis the focus will now be on the formal integration issues within the CRC and its scenario. All the presented use cases were improved by the requirements from the application domains and vice versa. For example the discussion and formalization of the interfaces between plastics and chemical engineering lead to simulation tools enhancements and new features which themselves showed effects on the work processes within the domain and to external partners. [Pg.501]

This equation of motion for the quantum state V(t)) is formally integrated by means of the (unitary) time-evolution operator U... [Pg.3]

Maxwell s equations (1.9) can be formally integrated with the aid of the free-photon propagator According to the total current introduced above, the resulting total radiation held may be decomposed as... [Pg.33]

If we plot these points out, we get the bell-shaped curve shown in Figure 5-3. So, to get the energy lost during the crossover, we need to find the net area under this curve. But we can see that is not going to be easy, because this curve is rather oddly shaped. In fact, there is no other way than to carry out a formal integration/summation procedure. And for that we have... [Pg.208]

According to the scheme above we may construct n independent formal integrals = Pi + p, < ) +. .., for / = 1,...,n. What is doubtful here is the convergence of the series so generated. However, we may just decide to truncate the construction after a finite number r of steps, thus constructing approximate first integrals... [Pg.33]

Diana, E., Galgani, L., Giorgilli, A. Scotti, A. (1975). On the direct construction of formal integrals of a Hamiltonian system near an equilibrium point. Boll. Un. Mai. It., 84-89. [Pg.40]

Gallavotti, G. (1994). Twistless KAM tori. Comm. Math. Phys., 164 145-156. Giorgilli, A. and Galgani, L. (1978). Formal integrals for an autonomous Hamiltonian system near an equilibrium point. Cel. Mech., 17 267-280. [Pg.40]


See other pages where Integration formal is mentioned: [Pg.524]    [Pg.11]    [Pg.107]    [Pg.481]    [Pg.268]    [Pg.345]    [Pg.43]    [Pg.28]    [Pg.158]    [Pg.99]    [Pg.37]    [Pg.152]    [Pg.28]    [Pg.21]    [Pg.83]    [Pg.857]    [Pg.373]    [Pg.98]    [Pg.856]    [Pg.227]    [Pg.400]    [Pg.188]    [Pg.95]    [Pg.552]    [Pg.210]    [Pg.39]   
See also in sourсe #XX -- [ Pg.4 , Pg.324 , Pg.332 , Pg.374 , Pg.381 ]




SEARCH



© 2024 chempedia.info