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    • 62. 发明授权
    • CT method and apparatus for liquid safety-detection with a radiation source
    • 用辐射源进行液体安全检测的CT方法和装置
    • US07508908B2
    • 2009-03-24
    • US11286559
    • 2005-11-23
    • Haifeng HuYuanjing LiKejun KangZhiqiang ChenYinong LiuYulan LiLi ZhangWanlong WuZiran ZhaoXilei LuoBin Sang
    • Haifeng HuYuanjing LiKejun KangZhiqiang ChenYinong LiuYulan LiLi ZhangWanlong WuZiran ZhaoXilei LuoBin Sang
    • G01N23/06
    • G01N9/24G01N2001/022
    • A CT method and an apparatus for liquid safety-detection with a radiation source relate to a radiation imaging detecting technology field. The invention comprises using a radiation source, a detector and data collector, a computer data processor; and the main steps are: 1) a liquid article to be detected being placed onto a rotary platform which is rotatable; 2) the ray emitted from the radiation source passing through the liquid article, and being received and formed into projection data by the detector and data collector; and 3) the projection data being transmitted to the computer data processor, which processes it to obtain the liquid density of the detected article, compares the result with the densities of dangerous articles in a current database, and then visually displays the detected information of the detected liquid article. Comparing to the prior art, the invention has a small volume, a strong anti-interference, a high accuracy of detection, an easy shielding, and a high use safety and reliability.
    • 用于具有辐射源的液体安全检测的CT方法和装置涉及放射线成像检测技术领域。 本发明包括使用辐射源,检测器和数据采集器,计算机数据处理器; 主要步骤是:1)被检测的液体物品放置在可旋转的旋转平台上; 2)从辐射源发出的射线通过液体物品,被检测器和数据采集器接收并形成投影数据; 和3)将投影数据传送到计算机数据处理器,处理它以获得检测到的物品的液体密度,将结果与当前数据库中的危险物品的密度进行比较,然后可视地显示检测到的物品的检测信息 检测液体物品。 与现有技术相比,本发明体积小,抗干扰强,检测精度高,屏蔽方便,安全可靠。
    • 65. 发明申请
    • Collimator for adjusting X-ray beam
    • 用于调整X射线束的准直仪
    • US20070064877A1
    • 2007-03-22
    • US11525692
    • 2006-09-22
    • Yinong LiuZhiqiang ChenYuanjing LiWanlong WuYulan LiXilei LuoLi ZhangZiran ZhaoBin SangHailin Wang
    • Yinong LiuZhiqiang ChenYuanjing LiWanlong WuYulan LiXilei LuoLi ZhangZiran ZhaoBin SangHailin Wang
    • G21K1/04
    • G21K1/04
    • Disclosed is a collimator for adjusting X-ray beam, comprising: an up-and-down adjustment mechanism (11); a left-and-right adjustment mechanism (21); a supporting member (15); and an adjusting plate (17) connected with the supporting member (15), wherein: said up-and-down adjustment mechanism (11) comprises a first rotating nut (13), an up-and-down moving leading screw (12) threadedly connected with said first rotating nut (13), and upper and lower sliding stops (18) located in said supporting member (15), wherein ends of said leading screw (12) are connected with said upper and lower sliding stops (18) to drive said upper and lower sliding stops (18), respectively, to vertically move; and said left-and-right adjustment mechanism (21) comprises a second rotating nut (23), a horizontally moving leading screw (22) connected with said second rotating nut (23), and left and right sliding stops (25) located in said supporting member (15), wherein inner ends of said horizontally moving leading screw (22) are connected with said left and right sliding stops (25) to drive said left and right sliding stops (25), respectively, to horizontally move. With the above arrangement, symmetrical adjustments along an up-and-down direction and along a left-and-right direction can be obtained. With rotation of the rotating nuts, respective leading screws move linearly rather than rotate, so that X-ray beams with different field angles can be obtained.
    • 公开了一种用于调整X射线束的准直器,包括:上下调节机构(11); 左右调节机构(21); 支撑构件(15); 以及与所述支撑构件(15)连接的调节板(17),其中:所述上下调节机构(11)包括第一旋转螺母(13),上下移动的导螺杆(12) 与所述第一旋转螺母(13)螺纹连接,以及位于所述支撑构件(15)中的上部和下部滑动止动件(18),其中所述引导螺钉(12)的端部与所述上部和下部滑动止动件(18)连接, 以驱动所述上滑动止动件(18)分别垂直移动; 并且所述左右调节机构(21)包括第二旋转螺母(23),与所述第二旋转螺母(23)连接的水平移动的导螺杆(22),以及位于 所述支撑构件(15),其中所述水平移动的前导螺钉(22)的内端与所述左右滑动止动件(25)连接以分别驱动所述左滑动止动件(25)和所述左滑动止动件(25)水平移动。 利用上述结构,可以获得沿着上下方向和沿左右方向的对称调节。 随着旋转螺母的旋转,相应的前导螺钉线性移动而不是旋转,从而可以获得具有不同场角的X射线束。
    • 70. 发明申请
    • SAMPLE FEEDING DEVICE FOR ION MOBILITY SPECTROMETER, METHOD OF USING THE SAME AND ION MOBILITY SPECTROMETER
    • 离子移动光谱仪的采样装置,使用该方法和离子移动光谱仪
    • US20120168616A1
    • 2012-07-05
    • US13142500
    • 2011-04-27
    • Qingjun ZhangZhiqiang ChenShiping CaoYuanjing LiZiran ZhaoYinong LiuYan ZhengShaoji MaoXiang ZouJianping Chang
    • Qingjun ZhangZhiqiang ChenShiping CaoYuanjing LiZiran ZhaoYinong LiuYan ZhengShaoji MaoXiang ZouJianping Chang
    • H01J49/34
    • G01N27/622
    • The present invention discloses a sample feeding device for an ion mobility spectrometer, which is adapted to guide a sample to be detected into an inlet of a drift tube of the ion mobility spectrometer. The sample feeding device comprises a solid sample feeding component; a sample inlet component; a attachment component, wherein the solid sample feeding component has an internal cavity defined therein, one end of the solid sample feeding component is communicated with the sample inlet component through the internal cavity, while the other end is communicated with the inlet of the ion drift tube through the attachment component; and a gaseous sample feeding component, comprising a body and an external attachment component, the body has a gas channel therein, and the external attachment component includes an inlet hole which is communicated with the gas channel, wherein when the external attachment component is fitted with the sample inlet component, the body is inserted into the internal cavity, so that a channel of the solid sample feeding component is closed, and only the gas channel of the gaseous sample feeding component is communicated with the inlet of the drift tube of the ion mobility spectrometer.
    • 本发明公开了一种用于离子迁移谱仪的样品供给装置,其适于将待检测样品引导到离子迁移谱仪的漂移管的入口中。 样品供给装置包括固体样品供给部件; 样品入口组件; 附着部件,其中固体样品进料部件具有限定在其中的内部空腔,固体样品供给部件的一端通过内部空腔与样品入口部件连通,而另一端与离子漂移入口连通 管穿过附件; 以及气体样品供给部件,其包括主体和外部附接部件,所述主体在其中具有气体通道,并且所述外部附接部件包括与所述气体通道连通的入口孔,其中当所述外部附接部件装配有 样品入口部件,主体插入到内腔中,使得固体样品供给部件的通道关闭,并且仅气态样品供给部件的气体通道与离子的漂移管的入口连通 移动光谱仪。