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Suspending geometry

Figures 6-17 through 6-21 show simplified diagrams of AMB systems. Figure 6-18 depiets two pairs of eoils suspending the rotor about its inertial axis—as opposed to its geometrieal axis as with eonventional oil bearing systems. Thus, the rotor is self-balaneing and vibration eannot oeeur. A third pair of eoils is used for thrust eompen-sation and to determine the preeise shaft position. Figures 6-17 through 6-21 show simplified diagrams of AMB systems. Figure 6-18 depiets two pairs of eoils suspending the rotor about its inertial axis—as opposed to its geometrieal axis as with eonventional oil bearing systems. Thus, the rotor is self-balaneing and vibration eannot oeeur. A third pair of eoils is used for thrust eompen-sation and to determine the preeise shaft position.
Exposure water or air flow rate exposure cage geometry air samplers wind direction location (coordinates, and preferably a digital picture) start and end date and time physical appearance after exposure (description, and preferably a digital picture) temperature pH (when organic acids or bases are flie target analytes) suspended matter, and POC and DOC levels (water) or particle (air) levels other observations relevant to QC... [Pg.115]

In general, adrenoceptor agonists are best delivered by inhalation because this results in the greatest local effect on airway smooth muscle with the least systemic toxicity. Aerosol deposition depends on the particle size, the pattern of breathing, and the geometry of the airways. Even with particles in the optimal size range of 2-5 Pm, 80-90% of the total dose of aerosol is deposited in the mouth or pharynx. Particles under 1-2 Pm remain suspended and may be exhaled. Bronchial deposition of an aerosol is increased by slow inhalation of a nearly full breath and by more than 5 seconds of breath-holding at the end of inspiration. [Pg.431]

The ansa-sandwich complexes, sometimes called constrained-geometry catalysts, exhibit a good ability to incorporate co-monomers. The catalysts (a) to (g) are soluble in solvents such as toluene. In the catalyst (h) the metallocene is supported on silica. Such solid-supported catalysts can be suspended in hydrocarbons for metering into the polymerization reactor [4],... [Pg.528]

Summary. The interplay between electrical and mechanical properties of suspended, doubly clamped carbon nanotubes in the Coulomb blockade regime is studied theoretically. In this geometry, the capacitance between the nanotube and the gate depends on the distance between them. We find that the tube position changes in discrete steps every time an electron tunnels onto it. Edges of Coulomb diamonds acquire a (small) curvature. Eigenffequencies are modified by Coulomb blockade in a discrete fashion. [Pg.47]

Another area which has gained interest in recent years is the utilization of supported catalyst in solar photoreactors, as opposed to suspended catalyst. Different geometries have been proposed for supporting the catalyst, which are strongly linked to photoreactor geometry. Results have been in some cases very good, despite of the fact that traditionally suspended catalyst has been considered more effective. [Pg.186]

The first necessary condition [6.21] to be taken into account in all particularization cases is the use of general mixing parameters (factors related to the geometry of agitation, the properties of liquid media, the type of agitators and rotation speed) as well as the use of the specific factors of the studied application. For example, in the case of suspended solid dissolution, we can consider the mass transfer coefficient for dissolving suspended solids, the mean dimension of the suspended solid particles, and the diffusion coefficient of the dissolved species in the liquid. [Pg.482]


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See also in sourсe #XX -- [ Pg.266 ]




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