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    • 77. 发明授权
    • Systems for detecting charged particles in object inspection
    • 用于检测物体检测中带电粒子的系统
    • US08513601B2
    • 2013-08-20
    • US13591118
    • 2012-08-21
    • Christopher L. MorrisMark F. Makela
    • Christopher L. MorrisMark F. Makela
    • G01N23/00
    • G01N23/201G01N23/20G01V5/0025G01V5/0075G06F17/18
    • Techniques, apparatus and systems for detecting particles such as muons. In one implementation, a monitoring system has a cosmic ray-produced charged particle tracker with a plurality of drift cells. The drift cells, which can be for example aluminum drift tubes, can be arranged at least above and below a volume to be scanned to thereby track incoming and outgoing charged particles, such as cosmic ray-produced muons, while also detecting gamma rays. The system can selectively detect devices or materials, such as iron, lead, gold and/or tungsten, occupying the volume from multiple scattering of the charged particles passing through the volume and can also detect any radioactive sources occupying the volume from gamma rays emitted therefrom. If necessary, the drift tubes can be sealed to eliminate the need for a gas handling system. The system can be employed to inspect occupied vehicles at border crossings for nuclear threat objects.
    • 用于检测诸如μ子之类的颗粒的技术,装置和系统。 在一个实现中,监视系统具有带有多个漂移单元的宇宙射线产生的带电粒子跟踪器。 可以将漂移电池(例如铝漂移管)布置在待扫描的体积的至少上方和下方,从而跟踪进入和离开的带电粒子,例如宇宙射线产生的μ子,同时还检测γ射线。 该系统可以选择性地检测诸如铁,铅,金和/或钨的装置或材料,其占据通过该体积的带电粒子的多次散射的体积,并且还可以检测占据由其发射的γ射线的体积的任何放射源 。 如有必要,漂移管可以被密封,以消除对气体处理系统的需要。 该系统可用于检查过境点的被占用车辆的核威胁物体。
    • 80. 发明申请
    • QUANTUM DOT SENSITIZED SOLAR CELL
    • 量子密度太阳能电池
    • US20130206215A1
    • 2013-08-15
    • US13794369
    • 2013-03-11
    • Los Alamos National Security, LLCSharp Corporation
    • Nobuhiro FukeHunter McDaniel
    • H01G9/20
    • H01G9/2027B82Y30/00H01G9/2031H01G9/2054Y02E10/542Y10S977/774
    • Photoelectrochemical solar cells (PECs) have been constructed and studied, the cells comprising a photoanode prepared by direct deposition of independently synthesized nanocrystal quantum dots (NQDs) onto a nanocrystalline metal oxide film, aqueous electrolyte and a counter electrode. It has been shown that the light harvesting efficiency (LHE) of the NQD/metal oxide photoanode is significantly enhanced when the NQD surface passivation is changed to a smaller ligand (e.g. butylamine (BA)). In the PEC the use of NQDs with a shorter passivating ligand leads to a significant enhancement in both the electron injection efficiency at the NQD/metal oxide interface and charge collection efficiency at the NQD/electrolyte interface.
    • 已经构建和研究了光电化学太阳能电池(PEC),其包含通过将独立合成的纳米晶体量子点(NQD)直接沉积到纳米晶体金属氧化物膜,水性电解质和对电极上而制备的光电阳极的电池。 已经表明,当NQD表面钝化改变成较小的配体(例如丁胺(BA))时,NQD /金属氧化物光电阳极的光收集效率(LHE)显着提高。 在PEC中,使用具有较短钝化配体的NQD导致NQD /金属氧化物界面处的电子注入效率和NQD /电解质界面处的电荷收集效率的显着增强。