Abstract: A method for identifying framework regions and complementarity-determining regions in an amino acid sequence. The amino acid sequence is received. A plurality of candidate start positions is identified within the amino acid sequence for a start position for a selected region of interest. A score is generated for each candidate start position of the plurality of candidate start positions via analysis of a motif window that begins at each candidate start position. The start position for the selected region of interest is identified based on a candidate start position of the plurality of candidate start positions having a highest score.

Abstract: A random access memory device that partially discharges or precharges a column. The memory device has a memory array with a plurality of columns. Each column includes a plurality of memory cells and a first bitline. The precharge line connects the first bitline to a voltage source to precharge at least a portion of the memory cells in the column before a read operation. Pass devices are connected to the first bitlines from the columns and divide the memory cells into a first section on one side of the pass devices and a second section on an opposite side of the pass devices. If a memory cell in the first section is accessed, the control logic opens the pass device during the read operation so that memory cells in the first section are discharged and memory cells in the second section are not discharged during the read operation.

Abstract: A field-programmable redundancy apparatus for integrated circuit semiconductor memory arrays is disclosed. The present invention allows the user to replace a defective memory cell with a redundant memory cell while the integrated circuit memory array is in the field. The user communicates with the redundancy apparatus over standard signal paths of the integrated circuit semiconductor memory array and with standard voltage levels. The redundancy apparatus detects a predetermined code sequence on one or more of the address and data lines of the memory array to enter a special redundancy-reconfiguration mode. In the reconfiguration mode, the redundancy apparatus provides information on the availability and functionality of the redundant memory cells and enables the user to replace a defective memory cell with a selected redundant memory cell.

Abstract: A field-programmable redundancy apparatus for integrated circuit semiconductor memory arrays is disclosed. The present invention allows the user to replace a defective memory cell with a redundant memory cell while the integrated circuit memory array is in the field. The user communicates with the redundancy apparatus over the standard signal paths with standard voltage levels of the integrated circuit semiconductor memory array. The redundancy apparatus detects a predetermined code sequence on one or more of the address and data lines of the memory array to enter a special redundancy-reconfiguration mode. In the reconfiguration mode, the redundancy apparatus provides information on the availability and functionality of the redundant memory cells and enables the user to replace a defective memory cell with a selected redundant memory cell.

Abstract: A feed gas mixture with SO.sub.2 partial pressure of at least about 0.5 atmosphere and an O.sub.2 :SO.sub.2 mole ratio of between about 0.7:1 and about 1:1 is passed in plug flow through a packed bed of conversion catalyst. The catalyst bed is cooled to produce a temperature profile including a first zone of increasing temperature, a second zone of substantially constant temperature and a third zone of declining temperature. The exit temperature is sufficiently low for high equilibrium conversion values. The effluent is cooled to condense liquid sulfur trioxide, while the sulfur trioxide remaining in the gas stream can be absorbed into oleum and/or sulfuric acid. Enriched oleum can be prepared by blending condensed sulfur trioxide into oleum or sulfuric acid.

Abstract: A fluid bed reactor including a first, upstream reaction zone having a fluidized bed of particles and a second, downstream heat recovery zone having a fluidized bed of particles. The reactor is designed adjacent the heat recovery zone to withdraw heat from the heat recovery zone at a temperature lower than the temperature in the reaction zone. In operation, the particles in the heat recovery zone cool and quench the effluent from the reaction zone so as to remove fines and volatile elutriates therefrom, rendering the effluent less corrosive and preventing back or side reactions.