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    • 21. 发明申请
    • METHOD OF PREPARING FLUOROALKYL COMPOUNDS USING RADIATION
    • 使用辐射制备氟代醇化合物的方法
    • US20090260971A1
    • 2009-10-22
    • US12244536
    • 2008-10-02
    • Sang Wook KimMin Goo HurSeung Dae YangKook Hyun Yu
    • Sang Wook KimMin Goo HurSeung Dae YangKook Hyun Yu
    • B01J19/12
    • C07C303/30C07B59/001C07B2200/05C07C29/62C07C309/73C07C31/38
    • Disclosed herein is a method of preparing a fluoroalkyl compound using radiation, including: mixing an alkyl compound having a leaving group with tetrabutylammonium fluoride (TBAF) in the presence of a reaction solvent at room temperature to form a mixed solution (step 1); and applying radiation to the mixed solution while stirring it to prepare a fluoroalkyl compound (step 2). The method of preparing a fluoroalkyl compound using radiation is advantageous in that fluoroalkyl compounds can be easily prepared in a short reaction time at room temperature, in that the method is safe because it is not required to use fluorine gas, which is harmful to the human body, in that the method can be usefully used to prepare fluoroalkyl compounds because the yield of fluoroalkyl compounds obtained using the method is higher than when using conventional SN2 reaction methods, and in that fluorine 18F, which is a radioactive isotope, can be easily introduced into alkyl compounds.
    • 本文公开了使用辐射制备氟烷基化合物的方法,其包括:在室温下,在反应溶剂存在下,将具有离去基团的烷基化合物与四丁基氟化铵(TBAF)混合以形成混合溶液(步骤1)。 并在搅拌下对混合溶液施加辐射以制备氟烷基化合物(步骤2)。 使用辐射制备氟代烷基化合物的方法的优点在于,氟烷基化合物可以在室温下在短的反应时间内容易地制备,因为该方法是安全的,因为不需要使用对人体有害的氟气 因为该方法可用于制备氟烷基化合物,因为使用该方法获得的氟烷基化合物的产率高于使用常规SN2反应方法时的产率,并且可以容易地引入作为放射性同位素的氟18F 转化成烷基化合物。
    • 24. 发明授权
    • Radioisotope production gas target having fin structure
    • 具有翅片结构的放射性同位素生产气体靶
    • US08111801B2
    • 2012-02-07
    • US12255441
    • 2008-10-21
    • Min Goo HurSang Wook KimSeung Dae Yang
    • Min Goo HurSang Wook KimSeung Dae Yang
    • G21G1/10
    • H05H6/00G21G2001/0094
    • A radioisotope production gas target for producing gas isotopes such as C-11. The radioisotope production gas target includes a target chamber that is in the shape of a hollow cylinder and has a plurality of inner fins protruding from an inner surface thereof along a length thereof, and a body that is shaped of a hollow cylinder enclosing the target chamber, and has a target gas inlet for feeding target gas to a hollow region of the target chamber, a target gas outlet for collecting the target gas after a nuclear reaction occurs, and a first coolant inlet and a first coolant outlet respectively feeding and discharging a coolant flowing along an outer surface of the target chamber, and includes a thin metal sheet in front thereof through which a beam of protons passes.
    • 用于生产气相同位素如C-11的放射性同位素生产气体目标。 放射性同位素产生气体目标包括:目标室,其为中空圆筒形状,并具有从其内表面沿着其长度突出的多个内部翅片;以及主体,其形状为封闭靶室的中空圆柱体 并且具有用于将目标气体供给到目标室的中空区域的目标气体入口,用于在发生核反应之后收集目标气体的目标气体出口,以及分别进料和排出目标气体的第一冷却剂入口和第一冷却剂出口 冷却剂沿着靶室的外表面流动,并且在其前面包括一薄金属片,一束质子通过该薄金属片。
    • 26. 发明授权
    • Filtering apparatus employing the rotor for multistage generating variable vortex flow
    • 采用转子多级产生可变涡流的过滤装置
    • US07887702B2
    • 2011-02-15
    • US12177147
    • 2008-07-21
    • Gi Taek ParkSang Wook KimDong-Woo Kim
    • Gi Taek ParkSang Wook KimDong-Woo Kim
    • B01D63/16B01D61/00
    • B01D63/082B01D29/41B01D29/86B01D65/08B01D2321/2041
    • A filtering apparatus is provided for filtering raw water containing various impurities and mixtures into purified water, and more particularly, a multistage filtering apparatus is provided in which a rotor for generating vortex are installed in each of multiple layers of filtration membrane stacked within a closed barrel and the rotors are formed in multistage by having different diameter of each rotor so that the power for generating vortex can be remarkably minimized by generating the vertical vortex from top and bottom of the rotary rotor and the horizontal vortex from the outer side of circumference plate of the rotary rotor to be crossed over between membranes to prevent from blocking the pores or remove the deposited pollutants, and the closed-type barrel having multistage of membranes, rotary shaft, and rotary rotors for vortex generation within are constructed as a single module of filter pack, and the filter pack is connected and extended in accordance with required purified capacity so that large scale installation of filtering apparatus is possible.
    • 提供了一种过滤装置,用于将含有各种杂质和混合物的原水过滤到净化水中,更具体地说,提供了一种多级过滤装置,其中用于产生涡流的转子安装在堆叠在封闭桶内的多层过滤膜 并且转子通过具有不同的每个转子的直径而形成为多级,从而通过从旋转转子的顶部和底部产生垂直涡流以及从圆周板的外侧的水平涡流产生涡流的功率可以显着地最小化 旋转转子在膜之间交叉以防止堵塞孔或去除沉积的污染物,并且具有多级膜,旋转轴和用于产生涡流的旋转转子的封闭式桶被构造为单个过滤器模块 包装,并且过滤器组件根据需要的纯化被连接和扩展 能够大规模安装过滤装置。
    • 29. 发明申请
    • FILTERING APPARATUS EMPLOYING THE ROTOR FOR MULTISTAGE GENERATING VARIABLE VORTEX FLOW
    • 使用多台生成变量VORTEX流量的转子的过滤装置
    • US20090145833A1
    • 2009-06-11
    • US12177147
    • 2008-07-21
    • Gi Taek ParkSang Wook KimDong-Woo Kim
    • Gi Taek ParkSang Wook KimDong-Woo Kim
    • B01D33/15B01D35/30
    • B01D63/082B01D29/41B01D29/86B01D65/08B01D2321/2041
    • A filtering apparatus is provided for filtering raw water containing various impurities and mixtures into purified water, and more particularly, a multistage filtering apparatus is provided in which a rotor for generating vortex are installed in each of multiple layers of filtration membrane stacked within a closed barrel and the rotors are formed in multistage by having different diameter of each rotor so that the power for generating vortex can be remarkably minimized by generating the vertical vortex from top and bottom of the rotary rotor and the horizontal vortex from the outer side of circumference plate of the rotary rotor to be crossed over between membranes to prevent from blocking the pores or remove the deposited pollutants, and the closed-type barrel having multistage of membranes, rotary shaft, and rotary rotors for vortex generation within are constructed as a single module of filter pack, and the filter pack is connected and extended in accordance with required purified capacity so that large scale installation of filtering apparatus is possible.
    • 提供了一种过滤装置,用于将含有各种杂质和混合物的原水过滤到净化水中,更具体地说,提供了一种多级过滤装置,其中用于产生涡流的转子安装在堆叠在封闭桶内的多层过滤膜 并且转子通过具有不同的每个转子的直径而形成为多级,从而通过从旋转转子的顶部和底部产生垂直涡流以及从圆周板的外侧的水平涡流产生涡流的功率可以显着地最小化 旋转转子在膜之间交叉以防止堵塞孔或去除沉积的污染物,并且具有多级膜,旋转轴和用于产生涡流的旋转转子的封闭式桶被构造为单个过滤器模块 包装,并且过滤器组件根据需要的纯化被连接和扩展 能够大规模安装过滤装置。