Zobrazeno 1 - 6
of 6
pro vyhledávání: '"C. N. Duckworth"'
Saharan trade has been much debated in modern times, but the main focus of interest remains the medieval and early modern periods, for which more abundant written sources survive. The pre-Islamic origins of Trans-Saharan trade have been hotly contest
The ancient Sahara has often been treated as a periphery or barrier, but this agenda-setting book – the final volume of the Trans-Saharan Archaeology Series – demonstrates that it was teeming with technological innovations, knowledge transfer, an
Publikováno v:
Physical Review B. 19:1254-1269
Spectral, kinetic, and relative quantum intensity measurements are reported for a series of ${\mathrm{Y}}_{3}$${\mathrm{Al}}_{5}$${\mathrm{O}}_{12}$ (YAlG) crystals, both nominally undoped and activated by ${\mathrm{Ce}}^{3+}$ and ${\mathrm{Tb}}^{3+}
Publikováno v:
Reports on Progress in Physics. 52:349-388
The manufacture of complex integrated circuits demanded by present-day system designers requires the assembly of a large number of interacting process steps. Many of these process steps cannot be chosen without considering the effect of the other ste
Publikováno v:
Physica Status Solidi (a). 75:K99-K102
Publikováno v:
MRS Proceedings. 54
The reproducible growth of thin high quality silicon dioxide films is of fundamental importance to advanced VLSI processes. Oxides in the range 1–2 nm are required for electron tunnelling barriers in advanced BIPOLAR processes, and in the range 10