Method of analyzing dioxins
    1.
    发明申请
    Method of analyzing dioxins 审中-公开
    分析二恶英的方法

    公开(公告)号:US20070108391A1

    公开(公告)日:2007-05-17

    申请号:US10564305

    申请日:2005-03-24

    IPC分类号: H01J27/00

    CPC分类号: G01N27/64

    摘要: A dioxin analyzing method sensitively detecting dioxins is provided. The method includes the first step of obtaining respective specific wavelength spectra of a plurality of dioxin isomers whose concentrations are known, selecting a plurality of specific wavelengths from each of the specific wavelength spectra, and preparing calibration curves, each showing the relationship between the ion signal intensity and the dioxin isomer concentration at any one of the selected specific wavelengths, for all the specific wavelengths selected for each dioxin isomer; the second step of preparing a sensitivity matrix showing the relationship between the ion signal intensities and the dioxin isomer concentrations at the specific wavelengths, from the calibration curves of the dioxin isomers prepared in the first step; and the third step of obtaining a specific wavelength spectrum of a sample to be analyzed, and determining the concentrations of a plurality of dioxin isomers in the sample using the ion signal intensities of the specific wavelength spectrum and the sensitivity matrix prepared in the second step.

    摘要翻译: 提供了敏感地检测二恶英的二恶英分析方法。 该方法包括获得浓度已知的多种二恶英异构体的各自特定波长光谱的第一步骤,从每个特定波长光谱中选择多个特定波长,并制备各自显示离子信号之间的关系的校准曲线 对于针对每种二恶英异构体选择的所有特定波长,在所选择的特定波长中的任何一个处的强度和二恶英异构体浓度; 根据第一步中制备的二恶英异构体的校准曲线,制备显示离子信号强度和特定波长处的二恶英异构体浓度之间的关系的灵敏度矩阵的第二步骤; 以及获得要分析的样品的特定波长谱的第三步骤,并且使用在第二步骤中制备的特定波长谱和灵敏度矩阵的离子信号强度来确定样品中多个二恶英异构体的浓度。

    Laser ionization mass spectroscope
    2.
    发明授权
    Laser ionization mass spectroscope 失效
    激光电离质谱仪

    公开(公告)号:US07521671B2

    公开(公告)日:2009-04-21

    申请号:US10593091

    申请日:2005-03-15

    IPC分类号: H01J49/00 B01D59/44 G01N1/00

    摘要: The invention provides an ultra-sonic jet multi-photon resonance ionization type mass analyzing device.The laser beam ionization mass analyzing device includes a pulsed gas ejecting device 12 for ejecting in pulse mode carrier gas containing sample molecules into a vacuum vessel 17, a laser beam irradiation system for irradiating laser beam for selective photo-reaction of sample molecules in said pulsed gas, repeller and extraction electrodes 18 and 19 generating an electric field for extraction of sample molecular ions generated by the photo reaction and a mass analyzing device 26 for mass analysis of extracted sample molecular ions. The laser beam irradiation system is set to irradiate laser beam to sample molecules near a position whereat a pressure time distribution of pulsed gas translating in the vacuum vessel 17 transitions from a flat-top pressure distribution to a triangular pressure distribution.

    摘要翻译: 本发明提供超声波喷射多光子共振电离型质量分析装置。 激光束离子化质量分析装置包括:脉冲气体喷射装置12,用于以脉冲模式将含有样品分子的载气喷射到真空容器17中;激光束照射系统,用于照射激光束用于所述脉冲的样品分子的选择性光反应 产生用于提取由光反应产生的样品分子离子的电场的气体,推斥器和引出电极18和19,以及用于质量分析提取的样品分子离子的质量分析装置26。 设置激光束照射系统以将激光束照射到在真空容器17中平移的脉冲气体的压力时间分布从平顶压力分布转换到三角形压力分布的位置附近的样品分子。

    Method of Analyzing Dioxins
    3.
    发明申请
    Method of Analyzing Dioxins 审中-公开
    分析二恶英的方法

    公开(公告)号:US20080131973A1

    公开(公告)日:2008-06-05

    申请号:US10564132

    申请日:2005-03-24

    IPC分类号: G01N33/00

    CPC分类号: H01J49/162 Y10T436/21

    摘要: A dioxin analyzing method sensitively detecting dioxins is provided.The method includes the first step of obtaining respective specific wavelength spectra of a plurality of dioxin isomers whose concentrations are known, selecting a plurality of specific wavelengths from each of the specific wavelength spectra, and preparing calibration curves, each showing the relationship between the ion signal intensity and the dioxin isomer concentration at any one of the selected specific wavelengths, for all the specific wavelengths selected for each dioxin isomer; the second step of preparing a sensitivity matrix showing the relationship between the ion signal intensities and the dioxin isomer concentrations at the specific wavelengths, from the calibration curves of the dioxin isomers prepared in the first step; and the third step of obtaining a specific wavelength spectrum of a sample to be analyzed, and determining the concentrations of a plurality of dioxin isomers in the sample using the ion signal intensities of the specific wavelength spectrum and the sensitivity matrix prepared in the second step.

    摘要翻译: 提供了敏感地检测二恶英的二恶英分析方法。 该方法包括获得浓度已知的多种二恶英异构体的各自特定波长光谱的第一步骤,从每个特定波长光谱中选择多个特定波长,并制备各自显示离子信号之间的关系的校准曲线 对于针对每种二恶英异构体选择的所有特定波长,在所选择的特定波长中的任何一个处的强度和二恶英异构体浓度; 根据第一步中制备的二恶英异构体的校准曲线,制备显示离子信号强度和特定波长处的二恶英异构体浓度之间的关系的灵敏度矩阵的第二步骤; 以及获得要分析的样品的特定波长谱的第三步骤,并且使用在第二步骤中制备的特定波长谱和灵敏度矩阵的离子信号强度来确定样品中多个二恶英异构体的浓度。

    Laser Ionization Mass Spectroscope
    4.
    发明申请
    Laser Ionization Mass Spectroscope 失效
    激光电离质谱仪

    公开(公告)号:US20070272849A1

    公开(公告)日:2007-11-29

    申请号:US10593091

    申请日:2005-03-15

    IPC分类号: H01J49/26

    摘要: The invention provides an ultra-sonic jet multi-photon resonance ionization type mass analyzing device. The laser beam ionization mass analyzing device includes a pulsed gas ejecting device 12 for ejecting in pulse mode carrier gas containing sample molecules into a vacuum vessel 17, a laser beam irradiation system for irradiating laser beam for selective photo-reaction of sample molecules in said pulsed gas, repeller and extraction electrodes 18 and 19 generating an electric field for extraction of sample molecular ions generated by the photo reaction and a mass analyzing device 26 for mass analysis of extracted sample molecular ions. The laser beam irradiation system is set to irradiate laser beam to sample molecules near a position whereat a pressure time distribution of pulsed gas translating in the vacuum vessel 17 transitions from a flat-top pressure distribution to a triangular pressure distribution.

    摘要翻译: 本发明提供超声波喷射多光子共振电离型质量分析装置。 激光束离子化质量分析装置包括:脉冲气体喷射装置12,用于以脉冲模式将含有样品分子的载气喷射到真空容器17中;激光束照射系统,用于照射激光束用于所述脉冲的样品分子的选择性光反应 产生用于提取由光反应产生的样品分子离子的电场的气体,推斥器和引出电极18和19,以及用于质量分析提取的样品分子离子的质量分析装置26。 设置激光束照射系统以将激光束照射到在真空容器17中平移的脉冲气体的压力时间分布从平顶压力分布转换到三角形压力分布的位置附近的样品分子。

    Apparatus for adjusting alignment of optical fibers
    5.
    发明授权
    Apparatus for adjusting alignment of optical fibers 失效
    用于调整光纤对准的装置

    公开(公告)号:US5457765A

    公开(公告)日:1995-10-10

    申请号:US294806

    申请日:1994-08-25

    摘要: An apparatus for adjusting the alignment of the optical fibers at a high precision, formed by a base frame having a plurality of pairs of V-grooves for mounting the optical fibers at mutually facing sides of the base frame, each V-groove being defined by a fixed member and a movable member, each movable member being movable within a guide groove defined between each adjacent fixed members, and one of each pair of V-grooves on one of the mutually facing sides has the fixed member and the movable member facing against the movable member and the fixed member, respectively, of another one of each pair of V-grooves on another one of the mutually facing sides; and a plurality of piezoelectric elements, each of which is connected with each movable member of each V-groove, for causing each movable member to move within the guide groove such that a displacement of each movable member makes an adjustment of a position of an optical fiber mounted on each V-groove.

    摘要翻译: 一种用于以高精度调整光纤的对准的装置,由具有多对V形槽的基座框架形成,用于将光纤安装在基架的相互相对的两侧,每个V形槽由 固定构件和可动构件,每个可移动构件可在限定在每个相邻的固定构件之间的引导槽内移动,并且在一个相互相对的侧面上的每对V形槽中的一个具有固定构件和可动构件, 所述可动构件和所述固定构件分别在彼此相对的另一个侧面上的每对V形槽中的另一个之间; 以及多个压电元件,每个压电元件与每个V形槽的每个可移动部件连接,用于使每个可移动部件在引导槽内移动,使得每个可移动部件的位移调整光学部件的位置 光纤安装在每个V形槽上。