Big Chemical Encyclopedia

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

Articles Figures Tables About

Computers configurations

Therefore, you should develop a complete computer specification sheet for each of the predictive maintenance systems that will be used. A comparison of the list will provide a compatible computer configuration that will support each of the techniques. If this is not possible, you may have to reconsider your choice of techniques. [Pg.807]

These ideas have been employed to compute configurational entropy and hence test the AG relation via molecular simulation of several model systems.91-94,101,102 The approach used in those studies is conceptually simple. First, the total entropy of the fluid S is calculated by integration of standard thermodynamic relationships, for example, as discussed below. Then, the configurational contribution to the entropy Sc = S — Sv b, is approximated by subtracting from the total entropy an estimate for the vibrational contribution, Svib. [Pg.146]

The next step when computing configurational entropy is to calculate the vibrational contribution to the entropy Sv b- The most commonly employed technique used to accomplish this calculation is to assume that the configuration point of the liquid executes harmonic vibrations around its inherent structures (i.e., Svib Sharmb which is a description that can be expected to be accurate at low temperatures. The quantity Sharm for a given basin is then computed as117... [Pg.148]

Specific guidelines for laboratory information systems include regulations for computer configuration, procedure manuals, system security, data entry/reports/retrieval, hardware and software, and system maintenance. [Pg.403]

The relevant software may be resident in the instrument, stored in a PC dedicated to the GC or HPLC or running on a laboratory LIMS computer. There are a wide range of possible computer configurations but the most flexible LIMS will employ satellite computers and distributed processing using a LAN (local area network) and the corporate network for communications (Figure 8.22). [Pg.425]

Figure 23.1 provides a block diagram of the essential components of a typical digital-computer configuration. The memory is a component capable of storing many thousands of binary-coded (digital) packets of information. Each packet is com-... [Pg.712]

Figure 23.1. Typical digital computer configuration. From S. P. Perone, J. Chromatogr. Sci., 7, 714 (1969) by permission of the publisher. Figure 23.1. Typical digital computer configuration. From S. P. Perone, J. Chromatogr. Sci., 7, 714 (1969) by permission of the publisher.
The computer configuration with which most scientists are familiar is the off-line system (see Fig. 23.3). To use the computer in this configuration, the scientist... [Pg.714]

This section discusses how a customisable chemical-scientific database system can provide for competitive chemical/pharmaceutical research as technology advances. The areas explored include the differing information needs of various research departments, the differing computer configurations among departments and sites, and the possible architecture of the database system. [Pg.109]

Another important need in the chemical/pharmaceutical industry is for a chemical-scientific database system that will operate in diverse computer configurations. The computers, workstations, PC s, terminals, and networks of a company may differ by... [Pg.109]

In a similar way, the speed of exploration of the space should not be determined solely from functions of momentum. Far more reliable is to compute configurational quantities such as barrier crossing rates, passage times to reach some target region of phase space or the diffusion constant through an Einstein relation (which uses the position data). [Pg.310]

One salient feature of the results of Fig. 7.7, is that for the BAOAB] scheme there is consistently less than a 1 % error in the computed configurational temperature (for moderate friction) across all step sizes, even the largest stable timesteps tested. The relative errors obtained were so small that no discernable trend (with step size) can be shown (due to the sampling error), whereas the other schemes tested show an error consistent with second-order discretization. [Pg.312]

An important consideration is the form of the final database that will be made available to the astronomical community. If the user has access to a computing system perhaps it would be most appropriate to obtain a tape copy of the position ordered final catalogue file. Ideally such tape copies should be made available in a variety of formats(to suit various computer configurations) together with a software package to provide access to the data. [Pg.182]

MTC and MIDI Qock are generated in AQD using a MIDI device on your computer. Configuring AQD to generate code is a matter of selecting a device to use, much the same as you select a MIDI device for MIDI playback at the track level. To set up ACID to generate MTC ... [Pg.219]

Fig. 1. Computational configuration of the zonal RANS-LES computation and Mach number contours. In the LES zone A2-contours [11] are shown color coded with mapped-... Fig. 1. Computational configuration of the zonal RANS-LES computation and Mach number contours. In the LES zone A2-contours [11] are shown color coded with mapped-...
Although the programs are written in Fortran, they are not independent of RTE II or of the computer configuration. The programs are in fact structured to operate to the best advantage of the given system. RTE II does impose some limitations of usage and requires some overhead time for its operation but this has been of... [Pg.374]

Dell uses promotions creatively to get rid of excess components. They promote certain computer configurations that use more of the excess components in their warehouses. They compute the discount percentage by trading it off against the revenue from the sale of the excess components. [Pg.45]

CBS extrapolation procedure Coupled cluster methods Exphcitly correlated CCSD(T) computation Configuration interaction methods and quadratic configuration interaction methods Counterpoise-correction procedure... [Pg.363]


See other pages where Computers configurations is mentioned: [Pg.444]    [Pg.667]    [Pg.145]    [Pg.326]    [Pg.28]    [Pg.495]    [Pg.232]    [Pg.554]    [Pg.290]    [Pg.208]    [Pg.285]    [Pg.286]    [Pg.336]    [Pg.109]    [Pg.1812]    [Pg.197]    [Pg.388]    [Pg.923]    [Pg.107]    [Pg.131]    [Pg.2]    [Pg.160]    [Pg.101]   
See also in sourсe #XX -- [ Pg.50 , Pg.51 , Pg.52 ]




SEARCH



© 2024 chempedia.info