The effect of nitrogen (N14) implant into dual-doped polysilicon gates was investigated. The electrical characteristics of sub-0.25m dual-gate transistors (both pand n-channel), MOS capacitor quasi-static C V curve, SIMS profile, poly-Si gate Rs, and oxide Qbd were compared at different nitrogen dose levels. A nitrogen dose of 5 10 cm 2 is the optimum choice at an implant energy of 40 KeV in te...

Preliminary investigations in South Africa into determining the resistance of sugarcane varieties to red rot (Glomerella tucumanensis) by means of an inoculation procedure, conducted in 1988-89, showed promise. Results of these trials, together with findings from industry-wide red rot surveys in the late 1980s, were used to provide a preliminary ranking of a number of released varieties. Variet...

Sugarcane breeding is expensive because the plant is perennial and the frequency in obtaining superior clones is low. Plant breeding involves developing strategies that will increase the probability of identifying superior varieties. This paper discusses the strategies used to select varieties with high sugar yield, good disease and pest tolerance and adaptable to the South-East Lowveld of Zimb...

Central conduction time following median nerve stimulation has been recorded in 28 patients with infratentorial space occupying lesions. Fourteen of these (50%) showed a prolonged central conduction time, which invariably involved that segment of the conduction time between the dorsal column nuclei generators and the generation site for P15, which we believe to be the upper brain stem or thalam...

Epidermal growth factor receptor (EGFR) pathway substrate 15 (Eps15) is a newly identified substrate for protein tyrosine phosphatase N3 (PTPN3), which belongs to the FERM-containing PTP subfamily comprising five members including PTPN3, N4, N13, N14, and N21. We solved the crystal structures of the PTPN3-Eps15 phosphopeptide complex and found that His812 of PTPN3 and Pro850 of Eps15 are respon...

In many respects, the historical trajectory of the Russian economy during the XX cenreasons can be given for this. First, many relevant indicators were either not measured or were kept secret and never published. Second, Russia (as the RSFSR) was a part of the USSR, and statistics for the RSFSR were much less prevalent than for the USSR as a whole (historical changes in Russia’s borders also re...

We show that a nontrivial graph isomorphism problem of two undirected graphs, and more generally, the permutation similarity of two given n × n matrices, is equivalent to equalities of volumes of the induced three convex bounded polytopes intersected with a given sequence of balls, centered at the origin with radii ti ∈ (0, √ n − 1), where {ti} is an increasing sequence converging to √ n − 1. T...