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Two isomeric ruthenium(II) complexes, [Ru-m-OH]2+ and [Ru-o-OH]2+ with two hydroxyl substituents at different positions of ligands, had been designed and synthesized. We found that the cellular uptake efficiency of Ru-o-OH]2+ was much better than Ru-m-OH]2+, and it exhibited higher toxicity toward cancer cell (BEL-7402) than its isomeric compound, [Ru-m-OH]2+. Importantly, [Ru-o-OH]2+ showed great...
Due to great advantages in anti-stealth and wide bandwidth, the Terahertz Inverse synthetic aperture radar (THz-ISAR) imaging technique has attracted much attention in recent years. However, high resolution will intensify the dispersion effect especially for high-speed moving targets. This paper presents a new method of high speed motion compensation for THz-ISAR imaging. The proposed entropy-based...
High resolution synthetic aperture imaging using rotating fan-beam scatterometers is studied. First, the working mode is presented. Then, the relationships among pulse repetition frequency, the number of coherent pulses and the unambiguous swath are discussed. Considering the sparsity of the imaging region and the limited number of pulses, we adopt the sparse recovery method to obtain the target images...
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