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    • 2. 发明专利
    • In-line detector of specific substance and in-line detection method using it
    • 特殊物质的在线检测器和使用它的在线检测方法
    • JP2006138731A
    • 2006-06-01
    • JP2004328346
    • 2004-11-12
    • Hitachi Ltd株式会社日立製作所
    • YAMADA KIMIOUETAKE NAOTO
    • G01N1/02G01N1/22G01N1/28G01N33/00
    • PROBLEM TO BE SOLVED: To enhance the high peeling and recovering efficiency of the specific substance attached to luggage or the like in an in-line system necessary for efficiently detecting the specific substance.
      SOLUTION: Steam is blown against the peeling region of the specific substance on the luggage to form a thin liquid film. Then, the liquid film forming region is irradiated with a pulse laser beam and the specific substance is effectively peeled by the inertial force due to thermal expansion and the viscous force accompanying the occurrence of voids. At the same time, the suction of a peeling region is started to recover the specific substance efficiently.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了提高在有效检测特定物质所需的在线系统中附着在行李箱等上的特定物质的高剥离和回收效率。

      解决方案:将蒸汽吹向行李上特定物质的剥离区域以形成薄的液体膜。 然后,用脉冲激光束照射液膜形成区域,并且由于热膨胀和伴随空隙发生的粘性力,惯性力有效地剥离特定物质。 同时,开始剥离区域的抽吸以有效地回收特定物质。 版权所有(C)2006,JPO&NCIPI

    • 4. 发明专利
    • Method for relaxing stress corrosion cracking of reactor structural member
    • 放电应力腐蚀破坏反应器结构构件的方法
    • JP2003035797A
    • 2003-02-07
    • JP2001223936
    • 2001-07-25
    • Hitachi Ltd株式会社日立製作所
    • WADA YOICHIISHIDA KAZUNARIUETAKE NAOTOAKAMINE KAZUHIKONAKAMURA MASAHITOOSUMI KATSUMI
    • G21D3/08G21D1/00
    • Y02E30/40
    • PROBLEM TO BE SOLVED: To improve the adhesion property of elements of a platinum family to a reactor structural material and restrain the occurrence and development of stress corrosion cracking(SCC) of the reactor structural members in the injection of hydrogen. SOLUTION: The molar number of manganese in reactor water is set equal to or less than the sum of the molar numbers of precious metals such as platinum, rhodium and palladium or by injecting a manganese compound together with one or more precious metals mentioned above into the reactor water. The compound is injected during the time when the temperature of the reactor water lowers from 150 deg.C to 80 deg.C. The injected precious metals and manganese adhere to the surface of the reactor structural member. The action of manganese improves the adhesion efficiency of the precious metals and secures the adhesion to the region where it was difficult to adhere previously. The ECP is significantly lowered by supplying hydrogen to the reactor water in the operation of a reactor after the adhesion. Consequently, the effect for preventing SCC is improved better than ever.
    • 要解决的问题:为了提高铂族元素与反应堆结构材料的粘附性,并且抑制了注入氢气中反应堆结构构件的应力腐蚀开裂(SCC)的发生和发展。 溶液:将反应器水中的锰的摩尔数设定为等于或小于贵金属如铂,铑和钯的摩尔数的总和,或者将锰化合物与上述一种或多种贵金属一起注入 反应堆水。 在反应器水的温度从150摄氏度到80摄氏度的时间期间注射化合物。 注入的贵金属和锰附着在反应器结构件的表面上。 锰的作用提高了贵金属的粘附效率,并且确保了粘附到先前难以粘合的区域上。 通过在粘合后的反应器的操作中向反应器水供应氢,ECP显着降低。 因此,防止SCC的效果比以往任何时候都好。
    • 5. 发明专利
    • Terahertz device
    • TERAHERTZ设备
    • JP2007248100A
    • 2007-09-27
    • JP2006068744
    • 2006-03-14
    • Hitachi Ltd株式会社日立製作所
    • RI EIKONTANAKA SHIGEHISAUETAKE NAOTO
    • G01N21/35G01N21/3586
    • PROBLEM TO BE SOLVED: To provide a device capable of generating and detecting high-power and broad-band terahertz electromagnetic wave, in an optical fiber transmission type THz-TDS system having probes for generating or detecting terahertz electromagnetic wave of high degree of operation freedom. SOLUTION: As an optical fiber for transmitting an ultrashort light pulse used for generating and detecting the terahertz electromagnetic wave, a photonic crystal fiber for performing a single mode operation capable of suppressing the nonlinear optical effect is used. Further, a set of diffraction grating pairs are used as a front-end dispersion compensation device. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种能够产生和检测大功率和宽带太赫兹电磁波的装置,在具有用于产生或检测高度的太赫兹电磁波的探针的光纤传输型THz-TDS系统中 的操作自由。 解决方案:作为用于传输用于产生和检测太赫兹电磁波的超短光脉冲的光纤,使用用于执行能够抑制非线性光学效应的单模操作的光子晶体光纤。 此外,使用一组衍射光栅对作为前端色散补偿装置。 版权所有(C)2007,JPO&INPIT
    • 6. 发明专利
    • Method for preventing corrosion of reactor
    • 防止反应器腐蚀的方法
    • JP2003035798A
    • 2003-02-07
    • JP2001224187
    • 2001-07-25
    • Hitachi Ltd株式会社日立製作所
    • WADA YOICHIUETAKE NAOTOISHIDA KAZUNARITACHIBANA MASAHIKOAKAMINE KAZUHIKO
    • G21D3/08G21D1/00
    • Y02E30/40
    • PROBLEM TO BE SOLVED: To restrain the occurrence and development of stress corrosion cracks (SCC) by accelerating the deterioration in electrochemical corrosion potential(ECP) due to hydrogen in an oxide film layer of a reactor structural material.
      SOLUTION: At least one type of metal among Al, Mg, Mn and Mo is taken into a surface oxide film of the reactor structural material (stainless steel or a nickel-base alloy). The temperature in the injection of the metal is set at between 150°C and 270°C inclusive, and, as to the quantity of injected hydrogen, the ECP is set at -230 m Vvs.SHE or lower in the operation of one cycle. This invention activates the oxidization reaction of the hydrogen on the surface of the reactor structural material, accelerating the deterioration of the ECP even in the injection of a small quantity of the hydrogen and restraining the occurrence and development of the SCC of the reactor structural material more effectively than ever.
      COPYRIGHT: (C)2003,JPO
    • 要解决的问题:通过加速由反应器结构材料的氧化膜层中的氢引起的电化学腐蚀电位(ECP)的劣化,来抑制应力腐蚀裂纹(SCC)的发生和发展。 解决方案:将Al,Mg,Mn和Mo中的至少一种金属作为反应器结构材料(不锈钢或镍基合金)的表面氧化膜。 金属注入温度设定在150摄氏度到270摄氏度之间,对于注入氢气的数量,ECP设定为-230米Vvs.SHE或更低 一个周期 本发明激活了反应器结构材料表面氢的氧化反应,即使在注入少量氢的同时加速了ECP的劣化,也抑制了反应堆结构材料SCC的发生和发展。 比以往有效。
    • 7. 发明专利
    • Apparatus and method for detecting explosives
    • 用于检测爆炸物的装置和方法
    • JP2006214952A
    • 2006-08-17
    • JP2005029935
    • 2005-02-07
    • Hitachi Ltd株式会社日立製作所
    • UETAKE NAOTO
    • G01N23/04G01N24/00
    • PROBLEM TO BE SOLVED: To provide an apparatus for detecting explosives capable of implementing a low ratio of erroneous reports to explosives without impairing high processing performance of an X-ray device.
      SOLUTION: In inspections on explosives in baggages, the possibility of the presence of explosives is first determined on the basis of both or either densities or effective atomic numbers acquired from X-ray images acquired by irradiation with X rays. Radio waves within a frequency range between 0.1-6 MHz optimally irradiate the range of the presence of the explosives on the basis of information acquired from the X-ray images. Radio waves generated by nuclear quadrupole resonance of a N-14 nucleus are received to determine whether the explosives are present under the condition that a signal value of the location of resonance radio frequencies corresponding to previously registered explosives is equal to a predetermined prescribed value or greater.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种用于检测能够在不损害X射线装置的高处理性能的情况下实现对爆炸物的错误报告的低比例的炸药的检测装置。 解决方案:检查行李中爆炸物时,首先根据X射线照射获得的X射线图像获得的密度或有效原子序数确定爆炸物的存在。 基于从X射线图像获得的信息,在0.1-6MHz之间的频率范围内的无线电波最佳地照射了爆炸物的存在范围。 接收由N-14核的核四极共振产生的无线电波,以确定爆炸物是否在对应于先前登记的爆炸物的共振射频的位置的信号值等于预定规定值以上的条件下存在 。 版权所有(C)2006,JPO&NCIPI