Sample dimensionality apparent

The three-dimensional porosity image of MAG sample is shown in Fig. 9. The porosity image is displayed as a series of two-dimensional images, each of which represents a plane of voxels sliced perpendicularly to the other direction. In Fig. 9, axial limits of the sample are apparent. The middle slices have more columns of voxels which are inside the sample than the others, due to the cylindrical shape of the sample. The white spots above the sample are attributed to the signal corresponding to the fluid in the reference. The resolution is poor because the voxel... 

If the behaviour of a sample with a weakly expressed variable closely resembles that of a sample of lower dimensionality, this may be thought of as an apparent sample dimensionality s, equal to the number of variables strongly enough to produce suitable resolution. 

Although two-dimensional features are readily apparent in the shocked and preserved samples, and study of the loading conditions indicates the need for two-dimensional studies, the influence of various powder descriptions and time scales of the events can be studied more efficiently in one-dimensional... 

Table 2 reports the catalytic activities of the catalysts prepared for 2.6-DTBP oxidation. All the titanium grafted materials were active as catalysts for liquid phase oxidation of 2.6-DTBP, and catalytic activity decreased in the order of MCM-48 (24.5% conversion) > HMS (22.8%) > KIT-1 (16.0%) > MCM-41 (14.3%) > SBA-1 (5%). Apparently. 3 dimensional channel system of MCM —48, and HMS with small particle size and textual mesoporosity proved to be useful in liquid phase reaction [1,2,3], Chemical analysis of the titanium-grafted SBA-1 by EDX showed far less titanium at the surface than the others it seems surface nature of SBA-1 synthesized in acidic medium is different from the rest. All Ti-grafted samples suffered from titanium leaching during the liquid phase oxidation HMS host resulted in over 4 % loss in metal content while the rest showed 2%. 

Figure 4.12. Two-Dimensional Gel Electrophoresis. (A) A protein sample is initially fractionated in one dimension by isoelectric focusing as described in Figure 4,11. The isoelectric focusing gel is then attached to an SDS-polyacrylamide gel, and electrophoresis is performed in the second dimension, perpendicular to the original separation. Proteins with the same pi are now separated on the basis of mass. (B) Proteins from E. coli were separated by two-dimensional gel electrophoresis, resolving more than a thousand different proteins. The proteins were first separated according to their isoelectric pH in the horizontal direction and then by their apparent mass in the vertical direction. [(B) Courtesy of Dr. Patrick H. O Farrell.]...

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