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公开(公告)号：US08916829B2
公开(公告)日：2014-12-23
申请号：US13558464
申请日：2012-07-26
Applicant: James R. Cadieux , George S. King, III , Glenn A. Fugate
Inventor： James R. Cadieux , George S. King, III , Glenn A. Fugate
Abstract: A system for assaying a radionuclide includes a liquid scintillation detector, an analyzer connected to the liquid scintillation detector, and a delay circuit connected to the analyzer. A gamma detector and a multi-channel analyzer are connected to the delay circuit and the gamma detector. The multi-channel analyzer produces a signal reflective of the radionuclide in the sample. A method for assaying a radionuclide includes selecting a sample, detecting alpha or beta emissions from the sample with a liquid scintillation detector, producing a first signal reflective of the alpha or beta emissions, and delaying the first signal a predetermined time. The method further includes detecting gamma emissions from the sample, producing a second signal reflective of the gamma emissions, and combining the delayed first signal with the second signal to produce a third signal reflective of the radionuclide.
Abstract translation: 用于测定放射性核素的系统包括液体闪烁检测器，连接到液体闪烁检测器的分析器和连接到分析器的延迟电路。 伽马检测器和多通道分析仪连接到延迟电路和伽马检测器。 多通道分析仪产生反映样品中放射性核素的信号。 用于测定放射性核素的方法包括选择样品，用液体闪烁检测器检测来自样品的α或β发射，产生反映α或β发射的第一信号，并将第一信号延迟预定时间。 该方法还包括检测来自样本的伽马发射，产生反映伽马发射的第二信号，以及将延迟的第一信号与第二信号组合以产生反映放射性核素的第三信号。
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公开(公告)号：US5499529A
公开(公告)日：1996-03-19
申请号：US70196
申请日：1993-06-02
Applicant: James W. Kronberg , James R. Cadieux
Inventor： James W. Kronberg , James R. Cadieux
Abstract: A package containing a tracer gas, and a method for determining the presence of a hole in the package by sensing the presence of the gas outside the package. The preferred tracer gas, especially for food packaging, is sulfur hexafluoride. A quantity of the gas is added to the package and the package is closed. The concentration of the gas in the atmosphere outside the package is measured and compared to a predetermined value of the concentration of the gas in the absence of the package. A measured concentration greater than the predetermined value indicates the presence of a hole in the package. Measuring may be done in a chamber having a lower pressure than that in the package.
Abstract translation: 包含示踪气体的包装，以及通过感测包装外部的气体的存在来确定包装中存在孔的方法。 优选的示踪气体，特别是食品包装，是六氟化硫。 将一定量的气体添加到包装中并且包装被关闭。 在封装外的气氛中测量气体的浓度，并将其与不存在封装的气体浓度的预定值进行比较。 大于预定值的测量浓度表示包装中存在孔。 可以在具有比包装中的压力更低的压力的室中进行测量。
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公开(公告)号：US20130043398A1
公开(公告)日：2013-02-21
申请号：US13558464
申请日：2012-07-26
Applicant: James R. Cadieux , George S. King, III , Glenn A. Fugate
Inventor： James R. Cadieux , George S. King, III , Glenn A. Fugate
Abstract: A system for assaying a radionuclide includes a liquid scintillation detector, an analyzer connected to the liquid scintillation detector, and a delay circuit connected to the analyzer. A gamma detector and a multi-channel analyzer are connected to the delay circuit and the gamma detector. The multi-channel analyzer produces a signal reflective of the radionuclide in the sample. A method for assaying a radionuclide includes selecting a sample, detecting alpha or beta emissions from the sample with a liquid scintillation detector, producing a first signal reflective of the alpha or beta emissions, and delaying the first signal a predetermined time. The method further includes detecting gamma emissions from the sample, producing a second signal reflective of the gamma emissions, and combining the delayed first signal with the second signal to produce a third signal reflective of the radionuclide.
Abstract translation: 用于测定放射性核素的系统包括液体闪烁检测器，连接到液体闪烁检测器的分析器和连接到分析器的延迟电路。 伽马检测器和多通道分析仪连接到延迟电路和伽马检测器。 多通道分析仪产生反映样品中放射性核素的信号。 用于测定放射性核素的方法包括选择样品，用液体闪烁检测器检测来自样品的α或β发射，产生反映α或β发射的第一信号，并将第一信号延迟预定时间。 该方法还包括检测来自样本的伽马发射，产生反映伽马发射的第二信号，以及将延迟的第一信号与第二信号组合以产生反映放射性核素的第三信号。
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