Part I of this paper describes the international sectoral data base, the ISDB, which has been created at the OECD as part of the continuing study of industrial structure and economic performance in OECD Member countries. This data base relates primarily to sectoral output and primary factor...

A highly collimated beam of protons (<InlineEquation ID="Equ1"> <EquationSource Format="TEX">$\approx$</EquationSource> </InlineEquation>1 MeV) entering the channel of a monocrystal film forms at a certain depth an extremely sharp (0.005 nm) and relatively long (some monolayers of the crystal) focusing area where the increase of the flux density can reach thousand times. Impinging...</equationsource></inlineequation>