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    • 112. 发明申请
    • Absolute distance measurement method and system using optical frequency generator
    • 绝对距离测量方法和使用光频发生器的系统
    • US20090207418A1
    • 2009-08-20
    • US12289119
    • 2008-10-21
    • Seung Woo KimJonghan JinYoung Jin Kim
    • Seung Woo KimJonghan JinYoung Jin Kim
    • G01B11/02
    • G01B9/02004G01B9/02002G01B2290/70
    • The present invention relates to absolute distance measurement method and system using an optical frequency generator. The absolute distance measurement method using the optical frequency generator includes (a) generating a plurality of different stabilized wavelengths by using the optical frequency generator; (b) obtaining an initial estimation value of a distance to be measured by using a frequency sweeping interferometer; (c) analyzing an uncertainty range of the obtained initial estimation value; (d) measuring excess fraction parts of the different wavelengths by analyzing interference signals for each of the wavelengths; (e) determining integer parts for each of the different wavelengths within the uncertainty range of the initial estimation value; and (f) measuring an absolute distance to be measured by using the excess fraction part and the integer parts for each of the different wavelengths.
    • 本发明涉及使用光频发生器的绝对距离测量方法和系统。 使用光频发生器的绝对距离测量方法包括(a)通过使用光频发生器产生多个不同的稳定波长; (b)使用扫频干涉仪获得要测量的距离的初始估计值; (c)分析所获得的初始估计值的不确定范围; (d)通过分析每个波长的干扰信号来测量不同波长的多余部分; (e)确定初始估计值的不确定范围内的每个不同波长的整数部分; 以及(f)通过使用每个不同波长的过剩分数部分和整数部分来测量要测量的绝对距离。
    • 113. 发明授权
    • Polarized neutron guide
    • 极化中子引导
    • US07560687B2
    • 2009-07-14
    • US11449374
    • 2006-06-08
    • Sang Jin ChoChang Hee LeeHark Rho KimYoung Jin Kim
    • Sang Jin ChoChang Hee LeeHark Rho KimYoung Jin Kim
    • H05H3/02H05H3/06G12G1/06G21C7/00
    • G21K1/062B82Y10/00G21K1/16G21K2201/061G21K2201/067G21K2201/068H05H3/06
    • A polarized neutron guide for separating neutrons into polarized neutrons while minimizing loss of the neutrons is provided. The polarized neutron guide includes a body, the first space and the second space, and a neutron separation space. The body includes super mirrors coated with a neutron-reflective thin film and the first and second spaces are formed by the first plate inside the body. The neutron separation space is formed by the second plate disposed at the entry of the first space and the third plate disposed at the entry of the second space. Spin-up polarized neutrons and spin-down polarized neutrons are simultaneously separated and transferred in the first and second spaces, respectively. Therefore, with minimum loss of the neutrons, the spin-up polarized neutrons and the spin-down polarized neutrons are effectively separated and collected.
    • 提供了用于将中子分离成极化中子同时最小化中子损失的极化中子引导件。 极化中子引导件包括主体,第一空间和第二空间以及中子分离空间。 身体包括涂有中子反射薄膜的超级镜,第一和第二空间由身体内的第一个板形成。 中子分离空间由设置在第一空间的入口处的第二板和设置在第二空间的入口处的第三板形成。 旋转极化中子和自旋向下极化中子分别在第一和第二空间中分离并转移。 因此,以最小的中子损失,有效地分离和收集了自旋向极化中子和自旋向下极化中子。
    • 117. 发明授权
    • Method of reducing corrosion potential and stress corrosion cracking susceptibility in nickel-base alloys
    • 降低镍基合金中腐蚀电位和应力腐蚀开裂敏感性的方法
    • US06548178B2
    • 2003-04-15
    • US10255432
    • 2002-09-26
    • Young Jin KimPeter Louis Andresen
    • Young Jin KimPeter Louis Andresen
    • B32B1504
    • G21C17/0225C22B23/06C23F11/18C23F11/185G21C19/307G21Y2002/103G21Y2004/304
    • A method for reducing in situ the electrochemical corrosion potential and susceptibility to stress corrosion cracking of a nickel-base alloy and boiling water nuclear reactor components formed therefrom when in contact with high temperature water. The method comprises the steps of: adding a metal hydride to the high temperature water; dissociating the metal hydride in the high temperature water to form a metal and at least one hydrogen ion; and reducing the concentration of the oxidizing species by reacting the hydrogen ions with an oxidizing species, thereby reducing in situ the electrochemical corrosion potential of the nickel-base alloy. The method may further include the steps of reacting the metal with oxygen present in the high temperature water to form an insoluble oxide and incorporating the metal into the surface of the nickel-base alloy, thereby reducing the electrical conductivity of the surface of the nickel-base alloy. A nickel-base alloy component having a reduced electrochemical corrosion potential is also disclosed.
    • 一种当与高温水接触时,由其形成的镍基合金和沸水核反应堆部件的电化学腐蚀电位和应力腐蚀开裂的易受影响的方法。 该方法包括以下步骤:向高温水中加入金属氢化物; 在高温水中解离金属氢化物以形成金属和至少一种氢离子; 并且通过使氢离子与氧化物质反应来降低氧化物质的浓度,从而原位降低镍基合金的电化学腐蚀电位。 该方法还可以包括以下步骤:使金属与存在于高温水中的氧反应形成不溶性氧化物并将金属掺入镍基合金的表面,从而降低镍 - 镍合金表面的导电性, 基体合金。 还公开了具有降低的电化学腐蚀电位的镍基合金组分。
    • 118. 发明授权
    • Method of reducing corrosion potential and stress corrosion cracking susceptibility in nickel-based alloys
    • 降低镍基合金中腐蚀电位和应力腐蚀开裂敏感性的方法
    • US06488782B2
    • 2002-12-03
    • US09681148
    • 2001-01-29
    • Young Jin KimPeter Louis Andresen
    • Young Jin KimPeter Louis Andresen
    • C23C2200
    • G21C17/0225C22B23/06C23F11/18C23F11/185G21C19/307G21Y2002/103G21Y2004/304
    • Method for reducing in situ the electrochemical corrosion potential and susceptibility to stress corrosion cracking of a nickel-base alloy and boiling water nuclear reactor components formed therefrom when in contact with high temperature water. The method comprises the steps of: adding a metal hydride to the high temperature water; dissociating the metal hydride in the high temperature water to form a metal and at least one hydrogen ion; and reducing the concentration of the oxidizing species by reacting the hydrogen ions with an oxidizing species, thereby reducing in situ the electrochemical corrosion potential of the nickel-base alloy. The method may further include the steps of reacting the metal with oxygen present in the high temperature water to form an insoluble oxide and incorporating the metal into the surface of the nickel-base alloy, thereby reducing the electrical conductivity of the surface of the nickel-base alloy. A nickel-base alloy component having a reduced electrochemical corrosion potential is also disclosed.
    • 一种当与高温水接触时,由其形成的镍基合金和沸水核反应堆组件的电化学腐蚀电位和应力腐蚀开裂的易感性降低的方法。 该方法包括以下步骤:向高温水中加入金属氢化物; 在高温水中解离金属氢化物以形成金属和至少一种氢离子; 并且通过使氢离子与氧化物质反应来降低氧化物质的浓度,从而原位降低镍基合金的电化学腐蚀电位。 该方法还可以包括以下步骤:使金属与存在于高温水中的氧反应形成不溶性氧化物并将金属掺入镍基合金的表面,从而降低镍基合金表面的导电性, 基体合金。 还公开了具有降低的电化学腐蚀电位的镍基合金组分。