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Description rule procedure

Migrating only the raw data - the characters, numbers, bits, and bytes - forward is not enough to ensure usability. The meta data and the context for the application or database must also be migrated forward. Meta data are the code to the machine-stored bits and bytes. Meta data are the data about the data. They describe the data in the database. The meta data documentation describes the method of data capture, the application used to access the data, security rules for the tables and columns, and other descriptive and procedural information. For derived or calculated data, the algorithm or protocol that was used must be known. The documentation then becomes something else that must be preserved. Without the meta data, the reader will only see a series of alphabetic characters. Without the entire described context associated with the data, the data have no meaning. [Pg.1064]

Fire prevention and response information may be covered in other written facility documents (such as job descriptions, rules, or procedures) and communicated to employees on the same schedule as the fire prevention plan. [Pg.157]

A new process technology student should be able to quickly decode and understand the educational methodology and administrative requirements that exist in a college. The first step is to get the college catalog and review the rules, procedures, policies, course descriptions, degree... [Pg.22]

Ensure that safety, health, and environmental protection permeate yom whole commimication system, including poUcies, procedures, goals, objectives, standards, rules, job descriptions, task procedures, budgets, pubhcations, meetings, training programs, performance appraisals and reviews, and recognition and awards. [Pg.211]

Standard procedures that are used for testing of construction materials are based on square pulse actions or their various combinations. For example, small cyclic loads are used for forecast of durability and failure of materials. It is possible to apply analytical description of various types of loads as IN actions in time and frequency domains and use them as analytical deterministic models. Noise N(t) action as a rule is represented by stochastic model. [Pg.189]

Cahn et al. (4) thought it beneficial to have two methods available for specifying the sense of chirality of the biaryls, as examples of either axial chirality or conformational chirality. As we have merged both into a single class—the line of stereoisomerism—any justification for two modes of description has vanished. Except for the modifications envisaged earlier, the procedures of Section 4 of the Sequence Rule (4) seem well suited to describe the isomerism of the line. Thus the terms MIP would become the general descriptors of the chiral line of torsion. [Pg.220]

The above set of rules - though accurately descriptive of earlier casting procedures - has led to serious misconceptions pertaining to the formation of anisotropic membranes, and therefore, misconceptions in the formulation of new polymeric casting solutions. It is evident that the polymer solution concentration progressively increases at the surface layer during the evaporation period, and... [Pg.267]

Since a number of particles involved in any reaction event are small, a change in concentration is of the order of 1 /V. Therefore, we can use for the system with complete particle mixing the asymptotic expansion in this small parameter 1 /V. The corresponding van Kampen [73, 74] procedure (see also [27, 75]) permits us to formulate simple rules for deriving the Fokker-Planck or stochastic differential equations, asymptotically equivalent to the initial master equation (2.2.37). It allows us also to obtain coefficients Gij in the stochastic differential equation (2.2.2) thus liquidating their uncertainty and strengthening the relation between the deterministic description of motion and density fluctuations. [Pg.107]

This restriction rules out all discrete models exclusively based on semiempirical force fields, leaving among the discrete models the MC/QM and the MD/QM procedures, in which the second part of the acronyms indicates that the solute is described at the quantum mechanical (QM) level, as well as the full ab initio MD description, and some mixed procedures that derive the position of some solvent molecules from semiclassical simulations, replace the semiclassical description with the QM one, and repeat the calculation on these small supermolecular clusters. The final stage is to perform an average on the results obtained with these clusters. These methods can be used also to describe electronic excitation processes, but at present, their use is limited to simple cases, such as vertical excitations of organic molecules of small or moderate size. This limitation is due to the cost of computations, and there is a progressive trend toward calculations for larger systems. [Pg.20]

The practical aspects of the dilution principle, i.e., the choice between different possible reactants and reaction parameters (solvent, rate of addition, amount of solvent), are determined as empirically today as in those days when the basic ideas of the principle were developed. Quantitative approaches were attempted by several authors but the pretension of a complete mathematical description considering the multitude of possible types of reactions is rather illusory. One can only hope to obtain general rules for the experimental procedure. Some of thrae approaches are outlined briefly ... [Pg.12]

Chapter II addresses another fundamental problem under what physical conditions can the Fokker-Planck equation provide a reliable picture of fluctuation-dissipation processes Aware as they are of the technical and conceptual difidculties involved in nonlinear statistics, the authors share Zwanzig s optimistic view that use of the Fokker-Planck equation is practicable and advantageous. Chapter II contains a brief description of rules to construct, via a suitable procedure, equations of Fokker-Planck type for the slow variables of the system under study. This theoretical method eliminates explicit analytic dependence on fast variables and thereby produces a significant simplification of the problem under discussion. [Pg.562]

In the simplex procedures described above the step size was fixed. When the step size was taken too small it takes a large number of experiments to reach the optimum, and when it is taken too large the supposed optimum can be unacceptably far from the real one. To avoid this a so-called modified simplex method can be applied, in which the step size is variable throughout the procedure. The principles of the simplex method are maintained but rules for expansion or contraction of the simplexes are added. For a detailed description of these guidelines we refer to [27,831. [Pg.218]


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See also in sourсe #XX -- [ Pg.502 ]




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