Gatty system

The Gatty system has air injected from a sub-pipe mounted inside the main conveying line. Since this system is without controls, it performs better for well-behaved plastic pellet systems. It is difficult to maintain a low velocity conveying condition with this system, Marcus et al. (1990). 

Gatti, Hilary. Giordano Bruno s "Ash Wednesday supper" and Galileo s "Dialogue of the two major world systems". Bruniana Campanelliana 3 (1997) 283-300. 

Detection can be performed using UV, UV-Vis, DAD, fluorometric detector (ELD) or ED. Gatti et al. [444] report an on-line photochemical derivatization to enhance the selectivity. A photo reactor system was inserted on-line between the column and the ELD. The eluate was irradiated at 254 and 366 nm inducing alterations that modified spectral properties of the analytes. Recently an increasing number of studies have reported the use of LC-MS for the identification of both retinoids and carotenoids [426,433,445-447],... 

A final point is the conceptual utility of the space-time metaphor. The two space-time systems exhibit three characteristics that facilitate reasoning, as laid out by Gattis (in preparation). They use ordered space to represent elements (here, events) and their relations (sequential ordering) they use spatial dimensions (here, a single linear dimension, which is placed in correspondence with time s single dimension) and they appear to form non-arbitrary analogs for abstract concepts. Temporal reasoning is non-trivial, as any traveler can attest. Perhaps these metaphors retain their systematicity because they do serious work for us. 

Figure 9.3 Mass accretion rates versus the age of the stellar group. The age error bars represent typical uncertainties, while die accretion rate error bars are the maximum and minimum values measured in each region. In addition to the data presented in Calvet et al. (2005), we have included the mass accretion rates from p Ophiuchi (Natta et al. 2006), and from a Orionis (Gatti et al. 2008). Above the plot we show a comparison to the formation timescale of CAIs, chondrules, and the moon lapetus in the Solar System (see Sections 9.3.1 and 9.3.2).

As shown by Gatti it is mandatory to exactly determine the optimal dimensions of the read-out strips, if a high spatial resolution has to be obtained. However, in many practical systems the design is prescribed by the dimensions of components such as connectors for instance. A substantial loss in spatial resolution can be the consequence. 

In the late 1990s, Bader and Gatti [1] showed that the electron density (ED) at any point r in a closed quantum system with boundary at infinity, may be thought as determined by a local source (LS), LS(r, r ), operating at aU other points in space ... 

Jean, X., Gatti, M., VBerthon, G., Fumey, M. The use of multicore processors in airborne systems. Tech, rep., Thales Avionics (2011)... 

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