Fluid Tagging

Figure 1. Proposed mechanism (highly schematic) for nucleation of triacylglycerols (TAGs). Straight chains indicate crystallized TAGS, whereas bent chains indicate fluid TAGs (4).

Fig. 17.1. Axial CT scan through the sigmoid colon. Image shows high-density fluid tagged with iodine (arrows) and a 15 mm polyp (p) clearly depicted due to its soft-tissue attenuation. Two fluid-filled diverticula can be observed on the opposite wall (arrow-points)...

Fig. 4.13a,b. Fluid tagging in a soft tissue b bone window settings. The bone window setting enables visualisation of the colonic wall and semicircular folds (arrowhead) through the dense fluid... 

Maynes D, Webb AR (2002) Velocity profile characterization in sub-diameter tubes using molecular tagging velocimetry. Exp Fluids 32 3-15... 

One possibility to visualize fluid transport directly in the fixed bed by means of a series of time-encoded displacement images is given by the spin tagging technique... 

Consider a flow visualization study in which a small patch of dye is injected instantaneously into the flowing fluid. This will tag an element of the fluid and, by following the course of the dye, the path of the tagged element of fluid is observed. If, however, the dye is introduced continuously, a streakline will be observed. A streakline is the locus of all particles that have passed through a specified fixed point, namely the point at which the dye is injected. 

A summary of the sources and fates of fatty acids and ketone bodies is presented in Figure 7.1 and Table 7.1. A major problem with long-chain fatty acids and TAGs is their lack of solubility in the aqueous medium of the blood and interstitial fluid. How this is overcome for fatty acids is discussed in this chapter, and for triacylglycerol in Chapter 11. Unfortunately, the need to transport relatively large quantities of triacylglycerol in the blood can lead to pathological problems (Chapter 11). 

In addition to fragment and graph indexing of polymer information, the POLID-CAS YR system also makes use of two distinct vocabularies for non-structural terms. The first vocabulary is, in essence, a controlled vocabulary of hierarchically ordered terms (taxonomy), supplemented by a second, more fluid vocabulary, which is subject to constant editing. The latter is used to further enhance the controlled vocabulary, e.g., the term isomerization , which is part of the controlled vocabulary, could be defined further by the terms racemization , tautomerization or rotation isomerization . Annotation of this kind is only a short step away from techniques, which we now associate with the terms tagging and folksonomies and which are typical components of Web 2.0 systems. POLIDCASYR s controlled vocabulary is structured according to a number of semantic categories such... 

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