Taylor system

Taylor system Tay-Sachs disease Tazettine [507-79-9] Tazicef Tazidime... 

The adoption of the Taylor system in the late nineteenth century changed the lines of responsibihty for product quahty (4). This management philosophy was based on using incentives, such as pay based on output, to motivate worker productivity. As the workforce became better educated and labor unions gained strength, it became difficult to motivate workers doing simple, repetitive tasks (5). 

The Taylor system, successful in the United States until the end of World War II, resulted in a dramatic increase in productivity. The transfer of responsibihty for product quahty from production to the QC laboratory allowed production to emphasize productivity, relying on quahty control to keep nonconforming products from reaching the customer. In the years following World War II, quahty became secondary to productivity (6). 

Taylor instability, 77 763 Taylor number, 77 747, 23 190 Taylor System, 27 171 Tazarotene, 25 789 Tazettine, 2 87 TBASE database, 72 467 TBCCO films, 23 872 TBTS, 2 550t TCCA, 73 115... 

The rather complex coefficient in Eq. (73) is given in Reference 9. It is evident that the series becomes divergent at the critical point, but in practice the coefficient in Eq. (73) is so small that it was estimated for the Reed and Taylor system that T — had to be about 0.2° or smaller for the dependence of the viscosity on the velocity gradient to be detectable. The effect is known to exist, and is quite striking in magnitude, but because the only experiment was done in a capillary viscometer, where d varies across the capillary, a quantitative interpretation is difficult. An attempt is being made to develop dtj as a function of d for large d (unpublished work by W. Botch and the author). 

Fig. 4. The computation of the dimension of an attractor is illustrated using velocity data obtained fof a weakly turbulent flow in the Couette-Taylor system at R/R =16.0, where R is the Reynolds number for the onset of time-independent Taylor vortex flow. The different curves correspond to different embedding dimensions m. (a) The dependence of N(e), the average number of points within a ball of radius e, on e. (b) The slope of the curves shown in (a). Regions A,...

The calculation of the time evolution operator in multidimensional systems is a fomiidable task and some results will be discussed in this section. An alternative approach is the calculation of semi-classical dynamics as demonstrated, among others, by Heller [86, 87 and 88], Marcus [89, 90], Taylor [91, 92], Metiu [93, 94] and coworkers (see also [83] as well as the review by Miller [95] for more general aspects of semiclassical dynamics). This method basically consists of replacing the 5-fimction distribution in the true classical calculation by a Gaussian distribution in coordinate space. It allows for a simulation of the vibrational... 

Wyatt R E, Hose G and Taylor H S 1983 Mode-selective multiphoton excitation in a model system Phys. Rev. A 28 815-28... 

Figure A3.14.9. Reaction-diflfiision structures for an excitable BZ system showing (a) target and (b) spiral waves. (Courtesy of A F Taylor.)...

If a fluid is placed between two concentric cylinders, and the inner cylinder rotated, a complex fluid dynamical motion known as Taylor-Couette flow is established. Mass transport is then by exchange between eddy vortices which can, under some conditions, be imagmed as a substantially enlranced diflfiisivity (typically with effective diflfiision coefficients several orders of magnitude above molecular difhision coefficients) that can be altered by varying the rotation rate, and with all species having the same diffusivity. Studies of the BZ and CIMA/CDIMA systems in such a Couette reactor [45] have revealed bifiircation tlirough a complex sequence of front patterns, see figure A3.14.16. 

Mandelshtam V A and Taylor H S 1997 Spectral analysis of time correlation function for a dissipative dynamical system using filter diagonalization application to calculation of unimolecular decay rates Phys. Rev. Lett. 78 3274... 

The basic idea of NMA is to expand the potential energy function U(x) in a Taylor series expansion around a point Xq where the gradient of the potential vanishes ([Case 1996]). If third and higher-order derivatives are ignored, the dynamics of the system can be described in terms of the normal mode directions and frequencies Qj and Ui which satisfy ... 

For large systems comprising 36,000 atoms FAMUSAMM performs four times faster than SAMM and as fast as a cut-off scheme with a 10 A cut-off distance while completely avoiding truncation artifacts. Here, the speed-up with respect to SAMM is essentially achieved by the multiple-time-step extrapolation of local Taylor expansions in the outer distance classes. For this system FAMUSAMM executes by a factor of 60 faster than explicit evaluation of the Coulomb sum. The subsequent Section describes, as a sample application of FAMUSAMM, the study of a ligand-receptor unbinding process. 

It is possible (see, for example, J. Nichols, H. E. Taylor, P. Schmidt, and J. Simons, J. Chem. Phys. 92, 340 (1990) and references therein) to remove from H the zero eigenvalues that correspond to rotation and translation and to thereby produce a Hessian matrix whose eigenvalues correspond only to internal motions of the system. After doing so, the number of negative eigenvalues of H can be used to characterize the nature of the... 

S. R. Taylor, Solar System Evolution, Cambridge University Press, Cambridge, UK, 1992. 

J. Santucci and J. J. Taylor, Safety, Technical and Economic Objectives of the Electric Power Institute s didvancedTight-Water Reactor Programme, lAEA-SM-332/11.1, Proceedings of International Symposium on Advanced Nuclear Power Systems, Seoul, Korea, Oct. 1993. 

B. N. Taylor, Guide for the Use of the International System of Units (SI), NIST Special PubHcation 811, Superintendent of Documents, U.S. Government Printing Office, Washington, D.C., 1995. 

J. Ross, Jr. and co-workers, in J. B. West, ed.. Best and Taylor s Physiological Basis of Medical Practice Cardiovascular System, Section 2, 12th ed., WiUiams and Wilkins, Baltimore, Md., 1990, p. 109. 

A study of industrial apphcatious by Taylor, Kooijmau, and Woodman [IChemE. Symp. Ser. Distillation and Absorption 1992, A415-A427 (1992)] concluded that rate-based models are particularly desirable when simulating or designing (1) packed columns, (2) systems with strongly uonide liquid solutions, (3) systems with trace compo-... 

Figure 2.5-1 illustrates the fact that probabilities are not precisely known but may be represented by a "bell-like" distribution the amplitude of which expresses the degree of belief. The probability that a system will fail is calculated by combining component probabilities as unions (addition) and intersection (multiplication) according to the system logic. Instead of point values for these probabilities, distributions are used which results in a distributed probabilitv of system fadure. This section discusses several methods for combining distributions, namely 1) con olution, 2i moments method, 3) Taylor s series, 4) Monte Carlo, and 5) discrete probability distributions (DPD). 

Suppose a system is a function of its components (equation 2.7-12). Expand the function / about the mean values of its arguments in a multi-variable Taylor series (equation 2.7 -13). The mean of Q, which is the expectation of equation... 

Taylor has reported a number examples of intramolecular variations directed towards heterocyclic systems.The following two reactions are representative. Intramolecular addition of triazine 79, after loss of nitrogen afforded 80. Alternatively, triazine 81 generated bicyclic systems 82 which could be oxidized to 83. 

E. C. Taylor and his co-workers have demonstrated an important principle in the ring-opening of pyridopyrimidines and other fused pyrimidine systems to o-aminonitriles. They have demonstrated that based-catalyzed cleavage of a 4-substituted pyrimidine will occur provided that (a) the anion formed by the attack by the base at the 2-position can be stabilized by appropriate structural features in the remainder of the molecule and (b) that the substituent attached to the 4-position is capable of departure with its bonding pair of electrons in... 

Popular methods for mutual diffusion measurements in fluid systems are the Taylor dispersion method and interferometric methods, such as Digital Image Holography [13, 14]. 

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