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    • 72. 发明授权
    • Method of recovering and storing radioactive iodine by freeze vacuum
drying process
    • 通过冷冻真空干燥过程回收和储存放射性碘的方法
    • US5252258A
    • 1993-10-12
    • US746818
    • 1991-08-15
    • Katsuyuki OhtsukaJin OhuchiToru Suzuki
    • Katsuyuki OhtsukaJin OhuchiToru Suzuki
    • B01D53/68C22B7/02G21C19/42G21F9/16
    • C22B7/02B01D53/68G21C19/42Y02P10/212
    • The invention provides a method of recovering and storing radioactive iodine by a freeze vacuum drying process, in which off-gas generated when spent fuel is subjected to shearing and dissolving treatments is scrubbed and, when necessary, is subjected to a precipitation treatment by addition of additives, after which waste liquid containing radioactive iodine is freeze-dried by a freeze vacuum drying process to recover radioactive iodine as iodine compounds. As a result, since the radioactive iodine does not vaporize, release of the radioactive iodine into the environment can be eliminated. In addition, consumption of a collecting agent such as silver zeolite for collecting vaporized radioactive iodine can be reduced. The iodine compounds containing the recovered radioactive iodine is given the same composition as a stable, naturally occurring mineral and is solidified and mineralized as by a high-pressure press. This makes it possible to store long half-life .sup.129 I radioactive iodine safely for an extended period by sealing recovered radioactive iodine in stable minerals for a long period of time.
    • 本发明提供一种通过冷冻真空干燥方法回收和储存放射性碘的方法,其中废燃料经受剪切和溶解处理时产生的废气被擦洗,并且在必要时通过加入沉淀处理进行沉淀处理 添加剂,然后通过冷冻真空干燥法将含有放射性碘的废液冷冻干燥,以回收作为碘化合物的放射性碘。 结果,由于放射性碘不蒸发,因此可以消除放射性碘向环境的释放。 此外,可以减少用于收集蒸发的放射性碘的收集剂如银沸石的消耗。 含有回收的放射性碘的碘化合物具有与稳定的天然存在的矿物相同的组成,并通过高压压机固化和矿化。 这可以通过长时间密封稳定矿物中的回收放射性碘,长时间保存长半衰期的129I放射性碘。
    • 80. 发明授权
    • Board-to-board connector
    • 板对板连接器
    • US09190750B2
    • 2015-11-17
    • US13395466
    • 2010-09-13
    • Ryotaro TakeuchiToru Suzuki
    • Ryotaro TakeuchiToru Suzuki
    • H01R12/00H01R12/71H05K3/36
    • H01R12/716H05K3/368H05K2201/10189
    • A board-to-board connector has such a configuration that at least one a first reinforcing bracket of a first connector and a second reinforcing bracket of a second connector is provided with a bent portion having a crank shape, viewed from the insertion/removal direction of the first and second connectors. Owing to such a configuration, deformation of the first reinforcing bracket and/or the second reinforcing bracket can be prevented, and a firm engagement state between the first and second reinforcing brackets is achieved. As a result, a strong removal force is required for releasing the engagement state, and a stable engagement between the first connector and the second connector can be maintained.
    • 板对板连接器具有这样的构造:第一连接器的第一加强支架和第二连接器的第二加强支架的至少一个设置有从插入/取出方向观察的具有曲柄形状的弯曲部分 的第一和第二连接器。 由于这样的结构,可以防止第一加强支架和/或第二加强支架的变形,并且实现第一和第二加强支架之间的牢固的接合状态。 结果,需要强大的去除力来解除接合状态,并且可以保持第一连接器和第二连接器之间的稳定的接合。