Big Chemical Encyclopedia

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

Articles Figures Tables About

Support rules

The proper conduct of complex exposure studies requires that the quality of the data be well defined and the statistical basis be sufficient to support rule making if necessary. These requirements, from study design through chemical analysis to data reduction and interpretation, focused our attention on the application of chemometric techniques to environmental problems. [Pg.293]

Support rule-based behavior The interface should provide a consistent one-to-one mapping between constraints of the work domain and cues or signs presented on the interface. [Pg.1020]

The decision support rules to be configured incorrectly so they are triggered at the wrong time or not at all... [Pg.99]

User documentation Standard Operating Procedures Configuration specification Transition strategy Decision support rules... [Pg.242]

In this paper our previous framework [5], which was designed to support reasoning with OWL 2 ontologies, is now enhanced with ability to reason with ontologies and rules expressed in OWL 2. The system can simply be illustrated in Fig. 8.1. In order to support rules, which are expressed by using the new features in OWL 2, the meta-program in our previous fi amework has to be extended with some new forms of meta-statements. [Pg.98]

The documents on self-determination also meet most of Franck s criteria but show weaknesses on others. Res. 1541 is strong on determinacy and pedigree. The so-called salt-water rule would not be approved of in the original position and it lacks in coherence with other documents on self-determination. According to the principle of equality, self-determination is applicable to everyone and not limited by non-substantive criteria such as geographical separateness. It lacks coherence on the salt-water rule and even though adherence can be found, the supporting rules are often indeterminate. [Pg.131]

Stereoselectivities of aldol additions catalysed by histidine have been shown to contrast with those for proline. ° Quanmm mechanical calculations suggest that the imidazolium and CO2H functionalities of histidine stabilize the cyclic aldolization transition state through hydrogen bonding and that stereoselectivity is a consequence of minimization of gauche interactions around the forming C-C bond. Extensive computations have been used to support rules that enable prediction of the outcome for asymmetric cross-aldol additions between enolizable aldehydes catalysed by histidine. ... [Pg.16]

It may be realised by means of definite complex of intereonneeted and interrelated common rules and norms direeted to the assurance of traceability and uniformity of measuring equipment, NDT equipment including. In another words NDT equipment must be metrologically supported. [Pg.963]

The integral of the Gaussian distribution function does not exist in closed form over an arbitrary interval, but it is a simple matter to calculate the value of p(z) for any value of z, hence numerical integration is appropriate. Like the test function, f x) = 100 — x, the accepted value (Young, 1962) of the definite integral (1-23) is approached rapidly by Simpson s rule. We have obtained four-place accuracy or better at millisecond run time. For many applications in applied probability and statistics, four significant figures are more than can be supported by the data. [Pg.16]

The acceptance of the name was premature because both Russian and American efforts now completely rule out the possibility of any isotope of Element 102 having a half-life of 10 min in the vicinity of 8.5 MeV. Early work in 1957 on the search for this element, in Russia at the Kurchatov Institute, was marred by the assignment of 8.9 +/- 0.4 MeV alpha radiation with a half-life of 2 to 40 sec, which was too indefinite to support discovery claims. [Pg.163]

This widespread conformity to the Gurvitsch rule constitutes powerful support for the capillary condensation hypothesis in relation to Type IV isotherms. It is perhaps hardly necessary to stress that in order to test data for conformity to the rule it is essential that the stage which corresponds to the complete filling of the pores shall be clearly identifiable—as in the... [Pg.113]

Requirements for energy, protein, carbohydrates, Hpids, vitamins and minerals have been determined for the species commonly cultured (9). As a rule of thumb, trout and salmon diets will, if consumed, support growth and survival in virtually any aquaculture species. Such diets often serve as the control against which experimental diets are compared. [Pg.20]

Considerable evidence supports these routes and rules out several alternative mechanisms (15,41—47). [Pg.329]

The primary determinant of catalyst surface area is the support surface area, except in the case of certain catalysts where extremely fine dispersions of active material are obtained. As a rule, catalysts intended for catalytic conversions utilizing hydrogen, eg, hydrogenation, hydrodesulfurization, and hydrodenitrogenation, can utilize high surface area supports, whereas those intended for selective oxidation, eg, olefin epoxidation, require low surface area supports to avoid troublesome side reactions. [Pg.194]

JS/oble Metals. Noble or precious metals, ie, Pt, Pd, Ag, and Au, are ftequendy alloyed with the closely related metals, Ru, Rh, Os, and Ir (see Platinum-GROUP metals). These are usually supported on a metal oxide such as a-alumina, a-Al202, or siUca, Si02. The most frequently used precious metal components are platinum [7440-06-4J, Pt, palladium [7440-05-3] Pd, and rhodium [7440-16-6] Rh. The precious metals are more commonly used because of the abiUty to operate at lower temperatures. As a general rule, platinum is more active for the oxidation of paraffinic hydrocarbons palladium is more active for the oxidation of unsaturated hydrocarbons and CO (19). [Pg.503]

The rest of the rules in Part AD for flat heads, bolted and studded connections, quick-actuating closures, and layered vessels essentially duphcate Division 1. The rules for support skirts are more definitive in Division 2. [Pg.1025]

An empirical point in support of the strong velocity dependence is the rule of thumb for quenching, requiring a high relative velocity [>60 m/s (200 ft/s)]. [Pg.1402]

The premise that discontinuous short fibers such as floating catalyst VGCF can provide structural reinforcements can be supported by theoretical models developed for the structural properties of paper Cox [36]. This work was recently extended by Baxter to include general fiber architecture [37]. This work predicts that modulus of a composite, E can be determined from the fiber and matrix moduli, Ef and E, respectively, and the fiber volume fraction, Vf, by a variation of the rule of mixtures,... [Pg.156]

Very often, voluminous procedures gather dust in cabinets where they have lain since the system was commissioned. For simple skiU-based tasks carried out by experienced workers, no procedural support will be necessary. Other activities such as trouble shooting or diagnosis may, as discussed in Chapter 2, involve the use of formal or mformal rules which are used infrequently. In these cases some form of job aid or checklist is the most effective type of procedure. [Pg.123]


See other pages where Support rules is mentioned: [Pg.346]    [Pg.146]    [Pg.110]    [Pg.16]    [Pg.73]    [Pg.143]    [Pg.70]    [Pg.346]    [Pg.146]    [Pg.110]    [Pg.16]    [Pg.73]    [Pg.143]    [Pg.70]    [Pg.30]    [Pg.30]    [Pg.60]    [Pg.228]    [Pg.302]    [Pg.242]    [Pg.98]    [Pg.89]    [Pg.91]    [Pg.459]    [Pg.532]    [Pg.535]    [Pg.1025]    [Pg.1027]    [Pg.1053]    [Pg.1077]    [Pg.92]    [Pg.1123]    [Pg.22]    [Pg.168]    [Pg.83]    [Pg.328]    [Pg.110]    [Pg.72]   
See also in sourсe #XX -- [ Pg.143 ]




SEARCH



© 2024 chempedia.info