3D study

Say, Pirogov and Palagashvili [36] in their 3d study used the system s size L close to the correlation length , which resulted in large concentration dispersion ( 10%) well seen in their steady-state. 

It is apparent from the calculations in the model pyridine-methanol system, that various principal components of the chemical shift tensor are affected differently by the HB. Consequentely, the principal values perpendicular to the direction of the interaction will exhibit a greater effect than the shielding components along the direction of the interaction. This general argument is in agreement with the qualitative observations in purine. A full 3D study of the interaction in the pyridine-methanol complex is required to quantitatively interpret the results in purine. 

In a systematic review of 33 comparative CT colonography studies Mulhall et al. mentioned the mode of reviewing as an explanation for the varying results between the studies (Mulhall et al. 2005) as well. The per-patient sensitivity was higher in studies that used a primary 3D display mode compared to those that used a primary 2D display mode. This explanation must be interpreted with caution, though, since it was based on the data of only two primary 3D studies (Pickhardt et al. 2003 Yee et al. 2001). 

Electrical resistivity tomography is a very useful instrument for shallow 3D study with creating soil resistivity cube and presenting results in sections or maps for different layers. 

The above scheme has first been applied by Sadygov and Yarkony in a 2D study on HeH2 and more recently by Abrol and Kuppermann in a 3D study of H3. In the latter work the whole domain of nuclear configurations relevant for reactive scattering has been treated and various boundary conditions have been compared. In this way the smallness of the residual (transverse) couplings in the diabatie basis could be established and a combination of Neumann and Dirichlet boundary conditions be shown to be optimum for this purpose. 

Quasiclassical trajectory (QCT) programs are nowadays routinely used for 3D studies of the atom-diatom reactions. In this way, it has been possible not only to compare theoretical results with experimental findings, but also to investigate in detail some properties of the atom-diatom reactive collisions. However, the amount of computer time needed to carry out these quasiclassical investigations even for small chemical systems is so large, when performed on usual scalar computers, to make a systematic study difficult. This is especially true when detailed (state to state or vector-to-vector) rather than global (integral) quantities need to be calculated. 

Different from the gas phase, the matrix host dissipates the energy released in exothermic reactions (by excitation of matrix phonon modes). In the gas phase, the energy remains on the product [31] and could lead to rapid fragmentation or other reactions (if it is not dissipated by collision with the walls or other collision partners). For example, Andersson etal. [3d] studied the gas-phase reactions between Co clusters and O2 and obtained reaction probabilities S in a collision. For larger clusters (n > 20), S could be quite reliably measured and came out to be almost independent of (5 0.7). However, as the authors summarize, the apparently lower reactivity of the smaller clusters is presumably due to the fast fragmentation of the product clusters of these highly exothermic oxidation reactions, which prohibits their detection. For reaction between B atoms and O2, linear OBO is the major product observed in Ar matrixes [35] whereas BO is detected... 

ACS, Polymeric Materials Science Engineering Fall Meeting 1999. Volume 81. Conference proceedings. New Orleans, La., 22nd-26th Aug. 1999, p. 173-4 FILM FORMATION IN POLYMER LATEX BLENDS MICROSPECTROSCOPIC 3D STUDIES Zhao Y Urban M W North Dakota State University (ACS,Div.of Polymeric Materials Science Engng.)... 

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