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    • 1. 发明授权
    • Electrostatic thin film chemical and biological sensor
    • 静电薄膜化学和生物传感器
    • US07649359B2
    • 2010-01-19
    • US11639405
    • 2006-12-13
    • Mark A. PrelasTushar K. GhoshRobert V. Tompson, Jr.Dabir ViswanathSudarshan K. Loyalka
    • Mark A. PrelasTushar K. GhoshRobert V. Tompson, Jr.Dabir ViswanathSudarshan K. Loyalka
    • G01N27/00
    • G01N27/60
    • A chemical and biological agent sensor includes an electrostatic thin film supported by a substrate. The film includes an electrostatic charged surface to attract predetermined biological and chemical agents of interest. A charge collector associated with said electrostatic thin film collects charge associated with surface defects in the electrostatic film induced by the predetermined biological and chemical agents of interest. A preferred sensing system includes a charge based deep level transient spectroscopy system to read out charges from the film and match responses to data sets regarding the agents of interest. A method for sensing biological and chemical agents includes providing a thin sensing film having a predetermined electrostatic charge. The film is exposed to an environment suspected of containing the biological and chemical agents. Quantum surface effects on the film are measured. Biological and/or chemical agents can be detected, identified and quantified based on the measured quantum surface effects.
    • 化学和生物剂传感器包括由基底支撑的静电薄膜。 该膜包括静电带电表面以吸引预期的感兴趣的生物和化学试剂。 与所述静电薄膜相关联的电荷收集器收集与由感兴趣的预定生物和化学试剂引起的静电膜中的表面缺陷相关的电荷。 优选的感测系统包括基于电荷的深度级瞬态光谱系统,用于从电影中读出费用,并且将关于感兴趣的代理的数据集的响应匹配。 用于感测生物和化学试剂的方法包括提供具有预定静电荷的薄的感测膜。 该片暴露于怀疑含有生物和化学物质的环境。 测量膜上的量子表面效应。 可以基于测量的量子表面效应来检测,鉴定和定量生物和/或化学试剂。
    • 2. 发明申请
    • METHOD OF TREATING FLUID CONTAINING VAPOR PHASE METALS, VAPOR PHASE METAL COMPOUNDS, OR BOTH
    • 处理含有蒸气相金属的流体的方法,蒸气相金属化合物或两种
    • US20090165649A1
    • 2009-07-02
    • US12401050
    • 2009-03-10
    • VEERA M. BODDUTushar K. GhoshKent James HayDabir S. Viswanath
    • VEERA M. BODDUTushar K. GhoshKent James HayDabir S. Viswanath
    • B01D53/02
    • B01D53/02B01D2257/60B01D2257/602B01J20/106B01J20/16
    • Perlite, particularly, perlite in powdered form, is employed to adsorb metals and metal compounds from fluids, in particular gases at elevated temperature. In select embodiments, powdered perlite is treated to expand its surface area and injected into a fluid stream, such as flue gas, held for a specific retention period, and removed for subsequent disposal. In other embodiments powdered perlite is provided in an adsorption bed. Fluid containing metals or metal compounds in vapor form is permitted to pass through the adsorption bed until the expanded perlite powder is saturated (exhausted) with the metal and metal compounds adsorbed thereon. The perlite is then replaced, disposing of the exhausted perlite. Treatment of perlite by boiling with sulfuric acid or suspending in a suspension of sulfur in carbon disulfide has been shown to significantly expand the surface area of perlite, thus increasing the efficiency of the process.
    • 珍珠岩,特别是粉末形式的珍珠岩,用于从流体,特别是高温气体中吸附金属和金属化合物。 在选择的实施方案中,处理粉末状珍珠岩以扩大其表面积并注入流体物流,例如烟道气,保持特定的保留期,并除去以备后续处理。 在其它实施方案中,在吸附床中提供粉末状珍珠岩。 允许含有蒸汽形式的金属或金属化合物的流体通过吸附床,直到膨胀的珍珠岩粉末被吸附在其上的金属和金属化合物饱和(排出)。 然后更换珍珠岩,处理耗尽的珍珠岩。 通过用硫酸沸腾或悬浮在二硫化碳中的硫的悬浮液来处理珍珠岩已显示显着扩大了珍珠岩的表面积,从而提高了该方法的效率。
    • 3. 发明授权
    • Method of treating fluid containing vapor phase metals, vapor phase metal compounds, or both
    • 处理含有气相金属,气相金属化合物或两者的流体的方法
    • US08007748B2
    • 2011-08-30
    • US12401050
    • 2009-03-10
    • Veera M. BodduTushar K. GhoshKent James HayDabir S. Viswanath
    • Veera M. BodduTushar K. GhoshKent James HayDabir S. Viswanath
    • B01D47/00
    • B01D53/02B01D2257/60B01D2257/602B01J20/106B01J20/16
    • Perlite, particularly, perlite in powdered form, is employed to adsorb metals and metal compounds from fluids, in particular gases at elevated temperature. Treatment of perlite by boiling with sulfuric acid or suspending in a suspension of sulfur in carbon disulfide has been shown to significantly expand the surface area of perlite, thus increasing the efficiency of the process. In select embodiments, powdered perlite is treated to expand its surface area and injected into a fluid stream, such as flue gas, held for a specific retention period, and removed for subsequent disposal. In other embodiments powdered perlite is provided in an adsorption bed. Fluids containing metals or metal compounds in vapor form are permitted to pass through the adsorption bed until the expanded perlite powder is saturated (exhausted) with the metal and metal compounds adsorbed thereon. The perlite is then replaced, disposing of the exhausted perlite.
    • 珍珠岩,特别是粉末形式的珍珠岩,用于从流体,特别是高温气体中吸附金属和金属化合物。 通过用硫酸沸腾或悬浮在二硫化碳中的硫的悬浮液来处理珍珠岩已显示显着扩大了珍珠岩的表面积,从而提高了该方法的效率。 在选择的实施方案中,处理粉末状珍珠岩以扩大其表面积并注入流体物流,例如烟道气,保持特定的保留期,并除去以备后续处理。 在其它实施方案中,在吸附床中提供粉末状珍珠岩。 允许含有蒸汽形式的金属或金属化合物的流体通过吸附床,直到膨胀的珍珠岩粉末被吸附在其上的金属和金属化合物饱和(排出)。 然后更换珍珠岩,处理耗尽的珍珠岩。
    • 8. 发明授权
    • Apparatus and method for biaxial tensile testing of membrane materials
    • 膜材料双轴拉伸试验装置及方法
    • US06487902B1
    • 2002-12-03
    • US09429114
    • 1999-10-27
    • Tushar K. Ghosh
    • Tushar K. Ghosh
    • G01L504
    • G01N3/08G01L5/045G01N3/04G01N33/367G01N2203/0017G01N2203/0254G01N2203/0282
    • An apparatus and method for biaxial load deformation testing of textile and other membrane materials including a first pair of spaced-apart segmented clamping systems for detachably engaging a membrane test material along opposing sides in the X direction. A second pair of spaced-apart segmented clamping systems is provided for detachably engaging a membrane test material along opposing sides extending in the Y direction. Each of the first pair and each of the second pair of spaced-apart segmented clamping systems are interconnected by a pantograph so as to be slidably extendable and slidably contractible with respect to each other and proportional to strain in the membrane test material in the X and Y directions, respectively. The first and second pair of segmented clamping systems are interconnected by a linkage system such that the second pair of segmented clamping systems will slidably extend in the Y direction proportional to strain imparted to a membrane test material in the Y direction when the first pair of segmented clamping systems is caused to move apart in the Y direction, and the first pair of segmented clamping systems will slidably extend in the X direction proportional to strain imparted to a test membrane in the X direction when the second pair of clamping systems is caused to move apart in the X direction.
    • 一种用于纺织品和其它膜材料的双轴承载变形试验的装置和方法,包括第一对隔开的分段夹紧系统,用于沿着X方向的相对侧可拆卸地接合膜测试材料。 提供第二对间隔开的分段夹紧系统,用于沿着沿Y方向延伸的相对侧可拆卸地接合膜测试材料。 第一对和第二对间隔开的分段夹紧系统中的每一个通过缩放仪相互连接,以相对于彼此可滑动地延伸和可滑动地收缩,并且与X中的膜测试材料中的应变成正比, Y方向。 第一和第二对分段夹紧系统通过联动系统相互连接,使得第二对分段夹紧系统将沿着Y方向滑动地延伸,与在Y方向上赋予膜测试材料的应变成比例,当第一对分段 使夹紧系统沿Y方向移动,并且当第二对夹紧系统被移动时,第一对分段夹紧系统将沿X方向滑动地沿着X方向施加到测试膜上的应变成比例地延伸 在X方向分开。