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    • 2. 发明授权
    • System for analyzing trace amounts of impurities in gases
    • 用于分析气体中微量杂质的系统
    • US06418781B1
    • 2002-07-16
    • US09445413
    • 1999-12-08
    • Akira NishinaTsutomu KikuchiMakoto TanakaHidetoshi YoshidaTetsuya Kimijima
    • Akira NishinaTsutomu KikuchiMakoto TanakaHidetoshi YoshidaTetsuya Kimijima
    • B01D1508
    • H01J49/0422G01N30/7206G01N33/0022G01N33/0032
    • An analyzing apparatus for assaying various kinds of trace impurity contents in various kinds of high-purity gases, having an atmospheric pressure ionization mass spectrometer useful for determination of trace impurity contents in such high-purity gases on the ppb to sub ppb levels and a gas chromatograph integrated therewith, enabling high efficiency determination of trace impurity contents in high-purity gases. The analyzing apparatus having a gas chromatograph (8) and an atmospheric pressure ionization mass spectrometer (6), is provided with a system (10) for introducing a sample gas introduced from a sample gas introduction source directly to the atmospheric pressure ionization mass spectrometer (6); a system (14a, 14b) for introducing the sample gas via the gas chromatograph (8) to the atmospheric pressure ionization mass spectrometer (6); and a channel selector (11, 13, 15) for changing over the channel of the sample gas to either of these two systems.
    • 一种用于测定各种高纯度气体中各种痕量杂质含量的分析装置,具有可用于测定这些高纯气体中ppb至亚ppb水平的微量杂质含量的气压电离质谱仪和气体 与其集成的色谱仪,可以高效率地测定高纯度气体中的痕量杂质含量。 具有气相色谱仪(8)和大气压电离质谱仪(6)的分析装置设置有用于将从样品气体导入源引入的样品气体直接引入大气压电离质谱仪(10)的系统(10) 6); 用于将样品气体经由气相色谱仪(8)导入大气压电离质谱仪(6)的系统(14a,14b); 以及用于将样品气体的通道切换到这两个系统中的任一个的通道选择器(11,13,15)。
    • 8. 发明授权
    • Damping device in a structure
    • 结构中的阻尼装置
    • US4972636A
    • 1990-11-27
    • US361858
    • 1989-06-05
    • Toshiyuki NojiHidetoshi YoshidaEiji Tatsumi
    • Toshiyuki NojiHidetoshi YoshidaEiji Tatsumi
    • E04B1/98
    • E04B1/985
    • A damping device has a liquid vessel into which the liquid is injected having the flattening wave motion water surface formed in such a manner that the wave motion direction of the wave motion water surface is a strecher one, damping members are provided in order to damp the sloshing of liquid in the liquid vessel, and wave dissipation devices are disposed at the portion which isn't always soaked in liquid in the liquid vessel. Accordingly, the vibration in a construction occurring by wind, earthquake and the like is absorbed by means of viscosity resistence occurring between liquid and damping member, and the vibration is restricted. Moreover, damping performance can be efficiently exercised by providing various kinds of installation forms.
    • 阻尼装置具有液体容器,液体被注入到其中,其中平坦波运动水表面以波形运动水面的波浪运动方向为拉条的形式形成,阻尼件被设置成阻尼 液体容器中的液体晃动,波浪耗散装置设置在液体容器中不总是浸泡在液体中的部分。 因此,通过风,地震等发生的构造中的振动,通过在液体和阻尼构件之间发生的粘性阻力而被吸收,并且振动受到限制。 此外,通过提供各种安装形式可以有效地实现阻尼性能。