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    • 2. 发明专利
    • Fuel assembly and core of nuclear reactor
    • 燃料组装和核反应堆核心
    • JP2008139321A
    • 2008-06-19
    • JP2007336811
    • 2007-12-27
    • Toshiba Corp株式会社東芝
    • UEDA KIYOSHIMIYASHITA SHIGERUHAYASHI YAMATOKAWASHIMA MASATOSHI
    • G21C3/328G21C3/62
    • Y02E30/38
    • PROBLEM TO BE SOLVED: To provide a core of a safe nuclear reactor of high conversion type or breeder type using light water or heavy water which does not use Na, such as light water reactors, and to provide a fuel assembly which can improve the utilization factor of nuclear fuels based on an improved method of the void coefficient with a new principle.
      SOLUTION: The fuel assembly which employs light water or heavy water as the coolant and MOX fuel as the nuclear fuel material, and which is used for the nuclear reactor of high conversion type or breeder type of which moderator to fuel volume ratio is 1.0 or less, includes an upstream blanket 17 arranged at the lower end part, a downstream blanket 14 arranged at the upper end part, an upstream main exoergic part 16 and downstream main exoergic part 13 which are arranged between the upstream blanket 17 and downstream blanket 14 and have high Pu concentration, and a low concentration area 15 which is arranged between the upstream main exoergic part 16 and downstream main exoergic part 13 and has low Pu concentration.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:使用轻水或不使用Na的轻水(如轻水反应堆)提供高转化型或育种型安全核反应堆的核心,并提供一种燃料组件,其可以 基于改进的空白系数方法,利用新的原理,提高核燃料的利用率。

      解决方案:采用轻水或重水作为冷却剂的燃料组件和MOX燃料作为核燃料材料,用于具有调节剂与燃料体积比的高转化型或育种型核反应堆 1.0以下,包括布置在下端部的上游橡皮布17,布置在上端部的下游橡皮布14,设置在上游橡皮布17和下游橡皮布之间的上游主散热部16和下游主散热部13 14并具有高Pu浓度,以及低浓度区域15,其布置在上游主散热部分16和下游主散热部分13之间并具有低Pu浓度。 版权所有(C)2008,JPO&INPIT

    • 3. 发明专利
    • Content distribution system, content server, and program for content distribution
    • 内容分发系统,内容服务器和内容分发程序
    • JP2008131149A
    • 2008-06-05
    • JP2006311431
    • 2006-11-17
    • Toshiba Corp株式会社東芝
    • UESONO SHIGEHIROMIYASHITA SHIGERUKAKEHASHI HIDEKIMOTOMATSU SEIJI
    • H04L9/08H04N7/16H04N21/266
    • PROBLEM TO BE SOLVED: To provide a content distribution system, a content server, and a program for content distribution that enable a user to easily rent and view desired content data, namely, to view them only temporarily while preventing the user from illegally using the right etc.
      SOLUTION: The content server 1 includes a user database 11a wherein recording medium unique information M
      A as unique information of a recording medium 4 and user information as information associated with a user are related to each other, a ciphering unit 12a which reads the recording medium unique information M
      A out of the user database 11a at requests from user terminals 21 to 2n and ciphers content key data Kc generated by ciphering content data C with the recording medium unique information M
      A , and a first communication control unit 12b which transmit the ciphered content data Enc (Kc, C) and the ciphered content key data Enc (M
      A , Kc) to the user terminals 21 to 2n.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种内容分发系统,内容服务器和用于内容分发的程序,其使得用户能够容易地租用和查看期望的内容数据,即仅在临时地查看它们,同时防止用户 非法使用权利等。解决方案:内容服务器1包括用户数据库11a,其中作为记录介质4的唯一信息的记录介质唯一信息M SB A和/或作为与 用户彼此相关;加密单元12a,其以用户终端21至2n的请求从用户数据库11a中读出记录介质唯一信息M SB,并且对通过加密产生的内容密钥数据进行加密 具有记录介质唯一信息M 的内容数据C和发送加密内容数据Enc(Kc,C)和加密内容密钥数据Enc(M )的第一通信控制单元12b, A ,Kc)发送给用户终端21至 2N。 版权所有(C)2008,JPO&INPIT