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Dynamic experimental system

Figure 5. A schematic diagram of the dynamic experimental system. Figure 5. A schematic diagram of the dynamic experimental system.
Evaluation and calibration. A piece of tube was rotated around its own axis during four channel wall thickness mea.surements (Figure 7). The four traces are not identical A rotation apart as should be expected. The calibrations of the four equipment s from the manufacture was not the same. Especially one of the traces has less dynamic than the other three. Based on these observations a dynamic calibration system was suggested using a tube, which could be rotated around its own axis in the measuring system. The values should be verified using traditional mechanical measurement around the tube circumference. The prototype system was permanently installed in the workshop at the production hall. Experimental work was more difficult under such circumstances so our participation in the development work stopped. [Pg.901]

Experimental systems using a dynamic condenser in which the investigated solution is flowing horizontally or vertically have also been designed. ... [Pg.23]

Whereas other experimental methods have been used to obtain values of kti no other method provides values of k-t or equilibrium data. There are, however, several important limitations of our method. First, the method is restricted to relatively fast hole transport processes that can compete with charge recombination of the Sa -G+ radical ion pair (Fig. 6). This precludes the use of strong acceptors which can oxidize A as well as G (Fig. 2a). We find that hole transport cannot compete with charge recombination in such systems, even when a charge gradient is constructed which should favor hole transport [35]. Second, the method is unable to resolve the dynamics of systems in which return hole transport, k t, is very slow (<104 s-1) or systems in which multiple hole transport processes occur. Third, since the guanine cation radical cannot be detected by transient spectroscopy, the method is dependent upon the analysis of the behavior of Sa-. In section 3.4 we de-... [Pg.62]

If quantum mechanics is really the fundamental theory of our world, then an effectively classical description of macroscopic systems must emerge from it - the so-called quantum-classical transition (QCT). It turns out that this issue is inextricably connected with the question of the physical meaning of dynamical nonlinearity discussed in the Introduction. The central thesis is that real experimental systems are by definition not isolated, hence the QCT must be viewed in the relevant physical context. [Pg.58]

Water on Smectites. Compared to vermiculites, smectites present a more difficult experimental system because of the lack of stacking order of the layers. For these materials, the traditional technique of X-ray diffraction, either using the Bragg or non-Bragg intensities, is of little use. Spectroscopic techniques, especially nuclear magnetic resonance and infrared, as well as neutron and X-ray scattering have provided detailed information about the position of the water molecules, the dynamics of the water molecule motions, and the coordination about the interlayer cations. [Pg.41]

Essentially, MLE is a measure on time-evolution of the distance between orbits in an attractor. When the dynamics are chaotic, a positive MLE occurs which quantifies the rate of separation of neighboring (initial) states and give the period of time where predictions are possible. Due to the uncertain nature of experimental data, positive MLE is not sufficient to conclude the existence of chaotic behavior in experimental systems. However, it can be seen as a good evidence. In [50] an algorithm to compute the MLE form time series was proposed. Many authors have made improvements to the Wolf et al. s algorithm (see for instance [38]). However, in this work we use the original algorithm to compute the MLE values. [Pg.310]

Figure 2.2 Different experimental system used for probing the relationship between chain dynamics and electrochemical response. Figure 2.2 Different experimental system used for probing the relationship between chain dynamics and electrochemical response.
Before discussing the dynamics of bond making/breaking at surfaces, it is helpful to consider generic PES topologies encountered in the various experimental systems and neglect the coupling to the lattice coordinates. [Pg.149]

An extensive literature survey shows that very little attention has been given to modelling and simulation of batch reactive distillation, let alone optimisation of such process. The published literature deals with the mathematical modelling and numerical integration of the resulting dynamic equations systems, with few presenting computer simulation vs experimental results. Only few authors have discussed the design, control and optimal operational aspects of batch reactive distillation processes. [Pg.270]

Figure 3.10 Example of a phase diagram for a ternary system used to create a dynamic LLC system. Components Ethanol (EtOH), Acetonitrile (ACN) and Iso-octane (2,2,4-trimethylpentane TMP). I — V nodal lines. Circles compositions determined experimentally by titration (full circles) and GC (open circles). Figure taken from ref. [315]. Reprinted with permission. Figure 3.10 Example of a phase diagram for a ternary system used to create a dynamic LLC system. Components Ethanol (EtOH), Acetonitrile (ACN) and Iso-octane (2,2,4-trimethylpentane TMP). I — V nodal lines. Circles compositions determined experimentally by titration (full circles) and GC (open circles). Figure taken from ref. [315]. Reprinted with permission.

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See also in sourсe #XX -- [ Pg.214 , Pg.215 ]




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