Utterance structure

In many early systems, the utterance structure was no more than a string that was passed between modules. In doing this systems could adopt either an overwrite paradigm or a addition paradigm. For instance in an overwrite system if the input text was... 

One of the key features of the HRG architecture is that items can be in more than one relation at once. For example, word items can be be in both the word relation and the syntax relation. This is useful because often we wish to process the words left to right as a list the word relation is used for this. Sometimes, however, we want to access the syntax relation, which is a tree in which the words form the terminal nodes. Having the same information in the two different places is unappealing as an update to one item requires an update to the other, and this is often awkward to achieve. Figure 4.3 shows the syntax and word stream together. This ability to include items in multiple relations means that usually any information in the utterance structure can be accessed... 

We shall see many examples of the creation of order in living systems as we move forward. Life is utterly and completely dependent on such order, both in structure and function. 

The situation is utterly different for semiconductors or insulators with a wide enough band gap 6.8,27,28). if the band gap exceeds the energy range of the fluorescence spectrum of the dye, energy transfer is either prevented or at least reduced to a very small rate which is controlled by the number of electronic energy levels within the band gap of the semiconductor or insulator. Such states are usually localized and can be caused by impurities or structural defects and represent optical transitions with a low oscillator strength. With a suitable position of the... 

Some metals crystallize in more than one structural type, which means that there are two alio tropic modifications. The metals marked do not conform precisely to the closest-packed structure, but deviate slightly from it. Uranium, manganese, gallium and indium have very abnormal structures, and the last two are transitional between metallic and non-metallic elements of the carbon group. The picture presented by the metallic structures is utterly different from that of elements of the four last groups of the periodic system. The homopolar bonds of these latter strive to produce a state in which the number of neighbours of each atom is determined by its valency. In the other elements, however, forces appear to be acting that tend to surround each atom with as many other atoms as possible. 

Even when great care was taken to ensure that the liquid feed was introduced to the disc in an axisymmetric manner with the minimum disturbance, the smooth inner him always broke down into an array of spiral ripples, as shown in Figures 5 and 6. These spiral structures then broke down further until the wave pattern became utterly chaotic, provided that the disc was big enough. It is known that liquid him how over a surface is intrinsically unstable, and the phenomenon has been studied by several workers (3-7). It appears to be qualitatively equivalent to the breakdown of a smoke plume rising from a lighted cigarette, where a chaotic zone is generated about 20 cm above the source. The behavior can also be observed when a liquid him hows over a stationary surface such as a windowpane or a dam spillway. 

In this case study, the training set elaboration is utterly important because the mGlu4 agonists dataset is amongst the difficult ones (poor activities, inaccurate EC50 values for the least active compounds, poor structural variability, noticeable flexibility of the receptor, etc.). We report here how the training set was built to be used by Catalyst-HypoGen. 

In spite of all the successes of this structural work, the extraordinary discriminatory potential that chiroptical methods would obviously have if applied to the rather mundane task of preliminary routine screening for drugs has never been exploited. One reason for this may be that the sensitivity to stereochemistry has not been fully explained in theoretical terms. The utter inadequacy of the aforementioned theoretical models is easier to understand and appreciate when one realizes that the spatial redirection of just one bond in a molecule, while not affecting the absorption spectra for the structural analogs, will produce changes in the CD spectra that are so dramatic that their individual distinction is elementary. Outstanding illustrations are plentiful in the CD literature of the steroids, for example testosterone and its dihydro-derivative, Figure 1. 

The quotations give the flavor of the fuzzy word-pictures typical of evolutionary biology. The lack of quantitative details—a calculation or informed estimation based on a proposed intermediate structure of how much any particular change would have improved the active swimming ability of the organism—makes such a story utterly useless for understanding how a cilium truly might have evolved. 

This structure of the traveling front of a low-temperature reaction exhibits features utterly atypical of classical thermal self-propagation. They are (1) a weak or nonexistent stage of inert preburst heating (2) a jumplike switching on and off of the reaction—characteristic break points b and c (Fig. 8), the temperature where the reaction switches on at point b being far below that for... 

Eyewitness testimony regarding the location, dimensions and internal structure of the supposed extermination camp Treblinka are utterly inconsistent and contradictory, and virtually impossible to reconcile with actual facts. 

Figure 18 Protein sohition structure utter ftee2e-drying at intneatin) isinperatuicH [2%...

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