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    • 1. 发明专利
    • Production of long-branch polyethylene
    • 长分布聚乙烯的生产
    • JPS5959706A
    • 1984-04-05
    • JP17115982
    • 1982-09-30
    • Masashi Tanabe
    • TANABE MASASHI
    • C08F8/00C08F110/02C08F210/00C08F255/00
    • C08F8/00C08F110/02C08F2500/09
    • PURPOSE: To obtain long-branch polyethylene having a desired number of branches and a desired length of the branch, by heating polyethylene having at least one terminal vinyl group in avaccum or in an inert gas atmosphere at a specified temperature for a specified length of time.
      CONSTITUTION: The purpose long-branch polyethylene is obtained by heating polyethylene having at least one terminal vinyl group in vacuum or in an inert gas atmosphere at a temperature of 180W360°C for 5minW6hr to form long branches. Here, the polyethylene having a terminal vinyl group may be replaced with a mixture containing a hydrocarbon having a terminal vinyl group and polyethylene. It is also possible to increase the number of branches per molecule by effecting the reaction at the lowest possible temperature for the longest possible time, and it is possible to control the length of the long-chain branch by appropriately selecting the terminal vinyl group of the polyetylene having a terminal vinyl group.
      COPYRIGHT: (C)1984,JPO&Japio
    • 目的:为了获得具有所需数量的分支和所需长度的分枝的长支聚乙烯,通过在特定温度下加热至少一个末端乙烯基的聚乙烯或在惰性气体气氛中加热指定时间长度的聚乙烯 。 构成:长支聚乙烯的目的是通过在真空中或在惰性气体气氛中,在180-360℃的温度下加热具有至少一个末端乙烯基的聚乙烯5分钟-6小时,得到长枝。 这里,具有末端乙烯基的聚乙烯可以用含末端乙烯基的烃和聚乙烯的混合物代替。 也可以通过在最低可能温度下尽可能长时间地进行反应来增加每个分子的分枝数,并且可以通过适当地选择长链支链的末端乙烯基来控制长链分支的长度 具有末端乙烯基的聚乙烯。
    • 2. 发明申请
    • CORE CATCHER
    • US20120300893A1
    • 2012-11-29
    • US13470723
    • 2012-05-14
    • Tomohisa KURITAMika TAHARAMitsuo KOMURONoriyuki KATAGIRIMasashi TANABE
    • Tomohisa KURITAMika TAHARAMitsuo KOMURONoriyuki KATAGIRIMasashi TANABE
    • G21C9/016G21C15/18
    • G21C9/016G21C15/18Y02E30/40
    • A core catcher includes a holding surface that catches and holds corium and that introduces a coolant with which surroundings of the core catcher are filled into the core catcher and cool a whole of the core catcher by heat exchange with the introduced coolant. The holding surface and the cooling unit are constructed by arranging blocks which each include a polyhedron having at least one pair of parallel surfaces and having opening portion formed in a surface located in a lateral direction when a first surface that is one of the parallel surfaces is arranged as a bottom surface and are configured such that the polyhedrons communicate with each other via the opening portion when the polyhedrons are arranged adjacent in the lateral direction. The core catcher, as described above, can be achieved easier installation of the blocks without an increase in installation cost.
    • 核心捕获器包括捕获并保持corium的保持表面,并且引入冷却剂,将芯捕集器的周围填充到芯捕获器中,并通过与引入的冷却剂进行热交换来冷却整个芯捕集器。 保持表面和冷却单元通过布置块,每个块包括具有至少一对平行表面的多面体,并且当作为平行表面之一的第一表面是位于横向方向上的表面时形成有开口部 被布置为底表面,并且被构造成使得当多面体被布置成在横向相邻时,多面体通过开口部彼此连通。 如上所述,可以在不增加安装成本的情况下实现块的轻松安装。
    • 5. 发明授权
    • Motor drive circuit and illumination apparatus
    • 电机驱动电路及照明装置
    • US08736214B2
    • 2014-05-27
    • US13070348
    • 2011-03-23
    • Tetsuya YoshitomiMasashi TanabeSyunji Suzuki
    • Tetsuya YoshitomiMasashi TanabeSyunji Suzuki
    • G05D11/08
    • H02P6/22H02P6/30
    • A motor-drive circuit includes: an output transistor configured to supply a drive current to a motor for a cooling fan; a switching-control circuit configured to control switching of the output transistor so that the motor rotates in a first direction, or rotates in a second direction opposite to the first direction; and a switching circuit configured to, when a first time has elapsed since start of rotation of the motor in the first direction, cause the switching-control circuit to start switching control so that the motor stops rotating in the first direction and thereafter rotates in the second direction, and configured to, when a second time has elapsed since start of rotation of the motor in the second direction, cause the switching-control circuit to start switching control so that the motor stops rotating in the second direction and thereafter rotates in the first direction.
    • 电动机驱动电路包括:输出晶体管,被配置为向用于冷却风扇的电动机提供驱动电流; 开关控制电路,被配置为控制所述输出晶体管的开关,使得所述电动机沿第一方向旋转,或者沿与所述第一方向相反的第二方向旋转; 以及开关电路,其被配置为当从所述电动机沿所述第一方向旋转开始经过第一次时,使所述开关控制电路开始切换控制,使得所述电动机在所述第一方向上停止旋转,然后在所述第一方向上旋转 第二方向,并且被配置为当从第二方向的电动机的旋转开始经过第二次时,使开关控制电路开始切换控制,使得电动机在第二方向上停止旋转,然后在 第一个方向