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With the introduction of the 2B Extended Feature Generic #3 (2BE3), No. 2B Electronic Switching System has modernized its arrangements for billing and traffic measurements.

T h e billing and traffic measurements capabilities available in the No. 2B Electronic Switching System (ESS) + today are the culmination of an evolutionary process spanning more t h a n a decade.

Hosting the No. 10A Remote Switching System By D. W. BROWN,* J. J. DRISCOLL,* F. M. LAX,* M. W. SAAD,* and j. G. WHITEMYER* (Manuscript received August 31, 1982) The No.

One possible long distance transmission medium for optical waves consists of a periodic sequence of converging lenses.

ITH the recent extended use of Quartz crystals in oscillators and electrical networks has come a need for a comprehensive view of the various types of crystal cuts.

Surface Linearized Augmented Plane Wave (SLAPW) total energy calculations are used to study the differences between Cu-H bonding on Cu(111) and on a pseudomorphic Cu monolayer on - a Ru(0001) subst

Direct energy sources such as lasers and electron beams permit spatially localized alteration of semiconductor microstructure and electrical properties.

The magnetic susceptibility, specific heat, and electrical resistance of U(1-x)Th(x)Pt(3) have been studied for x between 0.01 and 0.10 at temperatures between 1.5 and 20K.

Siloxane networks formed by the vinyl-addition curing mechanism often contain excess silane groups to improve the curing kinetics.