We present longitudinal velocity profiles and transversal time-averaged, mean secondary flow streamline patterns for a specific fluid and for representative cross-sectional shapes in the spectrum the triangular, square and hexagonal shapes.
The MRI measurements were performed at the 4.7 T and 0.178 T systems, where the relative contrast, transversal relaxation time (T2), and transversal relaxivity (r2) were evaluated and compared.
A novel method to characterize the pore space using multifractal analyses is presented, with the help of mercury injection capillary pressure (MICP) and nuclear magnetic resonance (NMR) transversal relaxation time (T2) data.
It uses an approach based, in one side, on the software components that increase models reusability to face the increasing complexity of ECS; in the other side, on the aspect-oriented paradigm that allows to model transversal real time properties to support models analysis and validation in the earliest steps of the design cycle.
In highly organised tissues, such as tendons, ligaments, menisci, trabecular bone, or cartilage, the transversal relaxation time is extremely short compared with that of muscles or fat, for instance.
The second part was further centrifuged for 1 h at 50,000 g and was used (washed RBCs only) to determine H+ transversal relaxation time (T 2i for "intracellular" water).
Besides intrinsic origins (like blood or air), which affect the transversal relaxation time, apparatus-specific sources (insufficient field homogeneity) can also lead to signal decay in the MR gradient echo images.
However, considerations of decreased mobility of the long-chain fluorine molecule once it is polymerized into the PEG DMA matrix, thus experiencing a more physically constrained environment leading to spectral peak broadening (and therefore shortened transversal relaxation time), are necessary to utilize this method effectively.
The TE-dependence of f is most important for tissues with considerably shorter transversal relaxation times than blood.
MRI has shown to be sensitive to the curing process in polymers, but monitoring the complete solidification in dental composites is still limited by their very short transversal relaxation times T2* [ 12].
This interference is not specific and can be difficult to differentiate from other sources, which decrease the transversal relaxation times, such as clotted blood or air, as is illustrated in Figure 3A C.
