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    • 9. 发明授权
    • Ultrathin, molecular-sieving graphene oxide membranes for separations along with their methods of formation and use
    • 用于分离的超薄分子筛石墨烯氧化膜及其形成和使用方法
    • US09108158B2
    • 2015-08-18
    • US14180724
    • 2014-02-14
    • Miao YuHang Li
    • Miao YuHang Li
    • B01D71/02B01D67/00B01D53/22
    • B01D71/024B01D67/0046B01D69/12B01D71/021B01D2325/04B01D2325/12
    • Methods for forming an ultrathin GO membrane are provided. The method can include: dispersing a single-layered graphene oxide powder in deionized water to form a single-layered graphene oxide dispersion; centrifuging the graphene oxide dispersion to remove aggregated graphene oxide material from the single-layered graphene oxide dispersion; thereafter, diluting the single-layered graphene oxide dispersion by about ten times or more through addition of deionized water to the graphene oxide dispersion; and thereafter, passing the single-layered graphene oxide dispersion through a substrate such that a graphene oxide membrane is formed on the substrate. Filtration membranes are also provided and can include: a graphene oxide membrane having a thickness of about 1.8 nm to about 180 nm, with the graphene oxide membrane comprises about 3 to about 30 layers of graphene oxide flakes.
    • 提供了形成超薄GO膜的方法。 该方法可以包括:将单层石墨烯氧化物粉末分散在去离子水中以形成单层氧化石墨烯分散体; 离心氧化石墨烯分散体以从单层氧化石墨烯分散体去除聚集的石墨烯氧化物材料; 此后,通过向石墨烯氧化物分散体中加入去离子水将单层石墨烯氧化物分散体稀释约十倍或更多; 然后使单层氧化石墨烯分散体通过基板,使得在基板上形成石墨烯氧化膜。 还提供了过滤膜,并且可以包括:具有约1.8nm至约180nm厚度的石墨烯氧化物膜,石墨烯氧化物膜包含约3至约30层的氧化石墨烯薄片。
    • 10. 发明授权
    • Fiber tip based sensor system for acoustic measurements
    • 用于声学测量的基于光纤尖端的传感器系统
    • US06901176B2
    • 2005-05-31
    • US10270277
    • 2002-10-15
    • Balakumar BalachandranMiao YuMoustafa Al-Bassyiouni
    • Balakumar BalachandranMiao YuMoustafa Al-Bassyiouni
    • G01D5/353G01H9/00G02B6/34G01B9/02
    • G02B6/4246G01D5/35303G01H9/006G02B6/2935G02B6/29358
    • A fiber optic sensor system for acoustic measurements over a 6 kHz bandwidth, the design of which allows for multiplexity of the input side of the system, and where the optical part of the system is based on low coherence fiber-optic interferometry techniques which has a sensor Fabry-Perot interferometer and a read-out interferometer as well, that allows a high dynamic range and low sensitivity to the wavelength fluctuation of the light source, as well as the optical intensity fluctuations. A phase modulation and demodulation scheme takes advantage of the Integrated Optical Circuit phase modulator and multi-step phase-stepping algorithm for providing for high frequency and real time phase signal demodulation. The system includes fiber tip based Fabry-Perot sensors which have a diaphragm, which is used as the transducer. Pressure microphone, velocity sensor, as well as accelerometer, are built based on the fiber tip based Fabry-Perot sensors.
    • 一种用于6kHz带宽上的声学测量的光纤传感器系统,其设计允许系统的输入侧的多路复用,并且系统的光学部分基于低相干光纤干涉测量技术,其中具有 传感器法布里 - 珀罗干涉仪和读出干涉仪,其允许对光源的波长波动的高动态范围和低灵敏度以及光强度波动。 相位调制和解调方案利用集成光电相位调制器和多步相位步进算法提供高频和实时相位信号解调。 该系统包括具有膜片的基于纤维末端的法布里 - 珀罗传感器,其用作换能器。 压力麦克风,速度传感器以及加速度计是基于基于光纤头的Fabry-Perot传感器构建的。