In this paper, we propose Geographic Stateless Vehicular Ad Hoc Network (VANET) Routing (GeoSVR), a novel geographic routing protocol that selects an optimal forwarding route using the width of the road to avoid local maximum and improves the forwarding algorithm to ensure the connectivity of the route between two neighbors in an urban VANET. GeoSVR uses the natural connective feature of an urban...
Durchgemischt: Die goldkatalysierte Titelreaktion überführt symmetrische und unsymmetrische Propargylester mit anhängenden Cyclohexadienon‐Ringen unter milden Bedingungen in Cyclohexenone oder Cyclohexanone mit einem quartären Zentrum in γ‐Stellung, wobei mehrere Atome vollständig stereokontrolliert verschoben werden.
A golden dance! A series of symmetric and nonsymmetric propargylic esters tethered to cyclohexadienones were found to undergo the title reaction sequence under mild reaction conditions through gold catalysis. The product cyclohexenones or cyclohexanones having a γ‐quaternary center arise from simultaneous multiatom transpositions with complete stereochemical control.
We compared the performance of SI-GaAs stripline antennas with different gaps, the widths of electrodes and electrode material by experiment. Large gap antenna have high electrical to terahertz (THz) and optical to THz conversion efficiency. The dynamic range of antenna with 150 mum gap, 100 mum Au/Ge/Ni electrodes and heat sink is 6300 without purging.
A new method has been developed for the preparation of amine-terminated surfaces with a highly cross-linked Si–O–Si network sub-layer on gold substrates. Biotinylation of the amine-terminated layers thus obtained can be easily accomplished by the use of an activated biotin reagent. Each step of the synthetic process was monitored by Fourier transformed infrared reflection adsorption spectroscopy (FT-IRRAS)...
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