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Strategy theory

After describing some of the main implications of Plant Strategy Theory for the study of stress responses, brief accounts are provided of two additional dimensions of variation in plant response to stress these consist of stored growth and resistance to mechanical stress. [Pg.31]

Morphological plasticity and cellular acclimation When plants are exposed to stress as a consequence of resource depletion or climatic fluctuation, many different responses are possible depending upon the species and the nature and severity of the stress. However, as Bradshaw (1965) recognised, stress responses can be classified into two basic types, one of which is morphological and the other physiological. One of the major uses of plant strategy theory is to provide a basis for predicting which of the two mechanisms is likely to be operative in particular species, populations and situations. [Pg.35]

Dresher, M., The Mathematics of Games of Strategy Theory and Applications, Dover, New York, 1981. [Pg.432]

Buss, D.M. and D.P. Schmitt 1993 Sexual strategies theory An evolutionary perspective on human mating. Psychological Review 100.204—232. [Pg.381]

Neuronal networks are nowadays predominantly applied in classification tasks. Here, three kind of networks are tested First the backpropagation network is used, due to the fact that it is the most robust and common network. The other two networks which are considered within this study have special adapted architectures for classification tasks. The Learning Vector Quantization (LVQ) Network consists of a neuronal structure that represents the LVQ learning strategy. The Fuzzy Adaptive Resonance Theory (Fuzzy-ART) network is a sophisticated network with a very complex structure but a high performance on classification tasks. Overviews on this extensive subject are given in [2] and [6]. [Pg.463]

Tr(/ ), that would provide an optimal eooling strategy. This last observation is the enix of our eooling theory and puts into sharp perspeetive the role played by the external field while the external field eaimot itself ehange the purity of the system it ean perfomi purity-preserving transformations whieh subsequently affeet the rate of ehange of purity. [Pg.277]

Covers theory and applications of ah initio quantum mechanics calculations. The discussions are useful for understanding the differences between ah initio and semi-empirical methods. Although both sections are valuable, the discussion of the applications oi ah initio theory fills a void. It includes comparisons between experiment and many types and levels of calculation. The material is helpful in determining strategies for, and the validity of. ah initio calculations. [Pg.3]

Computational strategies and many examples can also be found in Hehre, W.J., Radom, L., Schleyer, P. von R., and Pople, J. A, Ab Initio Molecular Orbital Theory, John Wiley Sons, New York, 1986. [Pg.65]

Detailed reaction dynamics not only require that reagents be simple but also that these remain isolated from random external perturbations. Theory can accommodate that condition easily. Experiments have used one of three strategies. (/) Molecules ia a gas at low pressure can be taken to be isolated for the short time between coUisions. Unimolecular reactions such as photodissociation or isomerization iaduced by photon absorption can sometimes be studied between coUisions. (2) Molecular beams can be produced so that motion is not random. Molecules have a nonzero velocity ia one direction and almost zero velocity ia perpendicular directions. Not only does this reduce coUisions, it also aUows bimolecular iateractions to be studied ia intersecting beams and iacreases the detail with which unimolecular processes that can be studied, because beams facUitate dozens of refined measurement techniques. (J) Means have been found to trap molecules, isolate them, and keep them motionless at a predetermined position ia space (11). Thus far, effort has been directed toward just manipulating the molecules, but the future is bright for exploiting the isolated molecules for kinetic and dynamic studies. [Pg.515]

This indicates that error management comprises two strategies proactive methods are applied to prevent errors occurring, and reactive strategies are used to learn lessons from incidents that have occurred and to apply these lessons to the development of preventive measures. Both proactive and reactive methods rely on an understanding of the courses of human error based on the theories and perspectives presented in this book. The tools and tech-... [Pg.359]

Density functional theory-based methods ultimately derive from quantum mechanics research from the 1920 s, especially the Thomas-Fermi-Dirac model, and from Slater s fundamental work in quantum chemistry in the 1950 s. The DFT approach is based upon a strategy of modeling electron correlation via general functionals of the electron density. [Pg.272]

STRATEGY The existence of residual entropy at T = 0 suggests that the molecules are disordered. From the shape of the molecule (which can be obtained by using VSEPR theory), we need to determine how many orientations, W, it is likely to be able to adopt in a crystal then we can use the Boltzmann formula to see whether that number of orientations leads to the observed value of S. [Pg.399]


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See also in sourсe #XX -- [ Pg.31 ]




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