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S A practical assignment for the Quantenchemie II lecture , and an applet to perform the curve-fitting see also

S A schematic diagram of sulfur .

S A simple backpropagation network. The label to the right of each layer gives the layer name, and the summation function, transfer function, output function, and learning rule, respectively, for the layer in a typical network. The input layer is fully connected to the middle layer, which in turn is fully connected to the output layer.

S a Structured packing coated with catalyst b fluted catalyst monolith tubes

S a Valence band spectra of Gd C82 measured with Al

S ABC analysis of computer stations

S Active triangulation system, where the target is an active light source

S activity and heat production of spent fuel as a function of the time after shutting off the reactor.

S Adsorption desorption cycles of Sorb-Lys . Absorption conditions

S Adsorption state of benzene

S AFM images illustrating the electrochemical annealing process for an overlayer of S- upon switching the electrochemical potential to a

S Amino acid sequence of p strands 2 3 4 in human plasma retinol-binding protein. The sequences are listed in such a way that residues which point into the barrel are aligned. These hydrophobic residues are arrowed and colored green. The remaining residues are exposed to the solvent.

S amplitude by age in lead aVF, each curve corresponding to the indicated percentile level . S waves in aVF are smaii or absent. The S ampiitude increases iitUe. however, after age 1-3 months untii adoiescence.

S amplitude by age in lead aVL, each curve corresponding to the indicated percentile level . S waves in aVL can be deep or absent during the neonatal period. The S deflection decreases gradually and steadily after age 7-3 days, becoming adult pattern by 9-13 years.

S amplitude by age in lead I, each curve corresponding to the indicated percentile level . S waves in lead I are prominent after birth. The S wave deflection becomes shallow after age 7-30 days, becoming smaller or absent after age 1-3 years.

S amplitude by age in lead II, each curve corresponding to the Indicated percentile level . S waves in II are relatively shallow or absent, and change little during the entire pediatric ages.

S amplitude by age in lead III, each curve corresponding to the Indicated percentile level . S waves in lead III are shallow or absent after birth, becoming more prominent after age 3-6 months, reaching the adult pattern by age 9-13 years.

S amplitude by age in lead V1, each curve corresponding to the indicated percentile level . S waves in lead VI are small or absent after birth, increasing their depth little during infancy, then are more prominent thereafter until age 13-18 years.

S amplitude by age in lead V2, each curve corresponding to the indicated percentile level . S waves deflection in V2 decreases slightly after birth until age 1-3 months. From this age on, the deflection inaeases, but very little, until adolescence.

S amplitude by age in lead V4, each curve corresponding to the indicated percentile level . S waves in V4 are prominent after birth, and become shallower and less prominent thereafter until age 13-18 years.

S amplitude by age in lead V5, each curve corresponding to the indicated percentile level . S waves are present after birth, becoming shallower gradually thereafter until adolescence. The changing patterns are quite comparable to those of lead V4.

S amplitude by age in lead V6, each curve corresponding to the indicated percentile level . S waves in V6 are prominent after birth, and their amplitude decreases gradually along with Increasing age until adolescence.

S An electron micrograph of unloaded liposomes or liposomal topotecan stabilized in a SO4 complex following loading using MnS04 gradients in the presence of the ionophore A23187 at a ratio of topotecan-to-lipid of 0.2 wt

S An O W emulsion showing a significant interaction between solids and the oil phase. A significant percentage ofthe solids are intruded into the oil droplets . From Mikula and Munoz . Copyright 2000, Cambridge University Press.

S and equilibrium concentrations. Note that there are more negative than positive charges on the membrane.



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