Global control

There are several other ways of approaching QIP that do not use the quantum circuit model. The global control paradigm, embodied in the seminal proposal of... 

Millot R, Gaillardet J, Dupre B, Allegre CJ (2002) The global control of silicate weathering rates and the coupling with physical erosion new insights from rivers of the Canadian Shield. Earth Planet Sci Lett 196 83-98... 

Li, Z.Y., 1999. Trends and strategies of global control over persistent organic pollutants. Modem Chem Indust 19 5-9. 

Titgemeyer E, Hillen W. (2002) Global control of sugar metabolism A gram-positive solution. Ant v Leeuwenhoek 82 59-71. 

As far as man is concerned, a presynaptic inhibition of the noradrenaline release by H3 receptors was only studied in the isolated human saphenous vein In this tissue, these receptors, similarly to a2-adrenoceptors, decrease the 3H-noradrenaline overflow elicited by electrical field stimulation (Molderings et al., 1992). Therefore, the role of histamine H3-receptors in the global control of the blood pressure in humans cannot be stated at present. 

Pirhonen, M., Flego, D., Heikinheimo, R., and Palva, E.T. Asmall diffusible signal molecule is responsible for the global control of virulence and exoenzyme production in die plant pathogen Erwinia carotovora. EMBO J 1993 12 2467-2476. 

Cole J., Rind D., Jouzel J., Webb R. S., and Healy R. (1999) Global controls on interannual variability of precipitation the relative roles of temperature, precipitation amount, and vapor source region. J. Geophys. Res. 104, 14223-14235. 

Figure 4 Nd concentrations measured in the dissolved phase (<0.2 p,m) of a great variety of rivers draining different regions of the world. This graph is based on the compilation of Deberdt et al. (2002) and shows the global control of dissolved REE concentrations by pH.

TRANSLATION CONTROL MECHANISMS Eukaryotic translation control mechanisms are proving to be exceptionally complex, substantially more so than those observed in prokaryotes. In eukaryotes these mechanisms appear to occur on a continuum, from global controls (i.e., the translation of a wide variety of mRNAs is altered) to specific controls (i.e., the translation of a specific mRNA or small group of mRNAs is altered). Although most aspects of eukaryotic translational control are currently unresolved, the following features are believed to be important ... 

V. Zykov, G. Bordiougov, H. Brandtstadter, I. Gerdes, and H. Engel. Global control of spiral wave dynamics in an excitable domain of circular and elliptical shape. Phys. Rev. Lett., 92 1-4, 2004. 

We call the choice Fa = Fioc a local control scheme in contrast to the global control scheme = Fgio which requires only the global average and does not depend explicitly on the spatial variable. The second option has considerable experimental advantages since the spatial average is related to the total charge in the quantum well and does not require a spatially resolved measurement. 

The excellent agreement between the quantal and synthetic densities of reactive states in Fig. lb demonstrates that quantized transition states globally control the chemical reactivity. All of the reactive flux, up to an energy of 1.6 eV, can be attributed to contributions from the energy levels of the transition state i.e., there is no noticeable background. Thus, this study (and ones to follow) provides a strong validation for approximate transition state theories that postulate the existence of transition states controlling the reaction dynamics. 

We conclude above that the 7 = 0 cumulative reaction probability is globally controlled by quantized transition states, and we have assigned stretch (vj) and bend (v2) quantum numbers for the motion orthogonal to the reaction coordinate. As discussed below, similar conclusions can be reached for the 7 = 1 and 7 = 4 cumulative reaction probabilities. We have obtained spectroscopic constants for the H2 transition state by fitting the E7 values of [00°], [02°], [04°], [10°], [12°], and [20°] for 7 = 0 and [00°] for 7 = 4 by (66)... 

We discussed the implications of the O + H2 reaction s multiple bottleneck regions in terms of variational and supernumerary transition states. We related the observed features to the scattering results for asymmetrical Eckart potentials. We emphasized that global control is maintained to very high energy (1.9 eV) and very high levels of v2. We demonstrated the influence of quantized transition states at the level of state-selected reaction probability for this reaction. 

This chapter is devoted mainly to the control philosophy of the whole plant, what nowadays is called plantwide control . Clearly, it is desirable to make use, as much as possible, of standard control loops at the unit level, because the global control strategy should be independent of the implementation and tuning of local controllers. 

Henry, S.H., Bosch, F.X., Troxell, T.C., and Bolger, P.M., Reducing liver cancer Global control of afla-toxin, Science, 286, 2453-2454,1999. 

Nemecek JC, Wuthrich M, Klein BS et al. Global control of dimorphism and virulence in fungi Science 2006 312 583-588. 

Characteristics of Curves Industrial practice of shape modeling applies only a small number of representations for curves. Polynomial are the preferred class of mathematical functions for the description of curves and surfaces. Basis functions are often called blending functions because they affect the shape of the entire curve (global control) or only several of its segments (local control). They are connected to control vertices or interpolation points. 

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