Ion trap mass spectrometry and apparatus
    81.
    发明授权
    Ion trap mass spectrometry and apparatus 失效
    离子阱质谱和仪器

    公开(公告)号:US06489609B1

    公开(公告)日:2002-12-03

    申请号:US09517175

    申请日:2000-03-02

    IPC分类号: H01J4942

    CPC分类号: G01N21/6404 H01J49/42

    摘要: A laser-cooled fluorescence mass spectrometry and device thereof capable of non-destructive analysis with acquiring a strong signal intensity by separating the laser cooling means and the ion temperature probe means.

    摘要翻译: 激光冷却荧光质谱法及其装置,其能够通过分离激光冷却装置和离子温度探针装置获得强信号强度而进行非破坏性分析。

    Process for polishing surface of memory hard disc
    82.
    发明授权
    Process for polishing surface of memory hard disc 失效
    内存硬盘抛光表面处理

    公开(公告)号:US4769046A

    公开(公告)日:1988-09-06

    申请号:US81675

    申请日:1987-08-05

    IPC分类号: C09G1/02 C23F3/00 B24D3/00

    CPC分类号: C23F3/00 C09G1/02

    摘要: A composition for polishing a layer of non-electrolysis nickel plating, an alumite layer or an aluminium substrate in a memory hard disc, the composition comprising water, a polishing agent of aluminium oxide, and a polishing accelerator of one of nickel nitrate and aluminium nitrate, or two compounds, nickel nitrate and aluminium nitrate, or two compounds, nickel sulfate and aluminium nitrate.

    摘要翻译: 用于在存储硬盘中抛光非电解镍电镀层,耐酸铝层或铝基板的组合物,包含水的组合物,氧化铝的抛光剂和硝酸镍和硝酸铝之一的抛光促进剂 ,或两种化合物,硝酸镍和硝酸铝,或两种化合物,硫酸镍和硝酸铝。

    Production of p-aminobenzoylglutamic acid by electrochemical reduction
    83.
    发明授权
    Production of p-aminobenzoylglutamic acid by electrochemical reduction 失效
    通过电化学还原生产对氨基苯甲酰谷氨酸

    公开(公告)号:US4505788A

    公开(公告)日:1985-03-19

    申请号:US615527

    申请日:1984-05-31

    IPC分类号: C25B3/04 C25B3/00

    CPC分类号: C25B3/04

    摘要: Disclosed is a method of producing p-aminobenzoylglutamic acid which comprises electrochemically reducing p-nitrobenzoylglutamic acid and/or p-hydroxyaminobenzoylglutamic acid using a cathode of a palladium metal or palladium alloy in an aqueous solution at a pH value of 3 or less.The method produces the objective p-amino compound in good yields and in high current efficiencies, and is advantageous for an industrial method.

    摘要翻译: 公开了一种生产对氨基苯甲酰谷氨酸的方法,其包括使用钯金属或钯合金的阴极在pH值为3以下的水溶液中电化学还原对硝基苯甲酰谷氨酸和/或对羟基氨基苯甲酰谷氨酸。 该方法以良好的产率和高电流效率产生目标对氨基化合物,并且对于工业方法是有利的。

    Piston-cylinder unit for use in a disc brake assembly
    84.
    发明授权
    Piston-cylinder unit for use in a disc brake assembly 失效
    用于盘式制动器组件的活塞缸单元

    公开(公告)号:US4042072A

    公开(公告)日:1977-08-16

    申请号:US620266

    申请日:1975-10-07

    申请人: Takashi Baba

    发明人: Takashi Baba

    摘要: A piston-cylinder unit for use in a disc brake assembly includes a cylinder and a hydraulically actuated piston received in the cylinder for axial movement therein. The unit has a flexible seal member with its opposite ends attached in sealing engagement to respective axially opposed portions of the piston and cylinder for elastic expansion and contraction in the axial direction. The flexible seal member and the opposing portions of the piston and cylinder form a chamber for receiving fluid pressure for actuation of the piston.

    摘要翻译: 用于盘式制动器组件的活塞缸单元包括容纳在气缸中的气缸和液压致动的活塞,用于在其中轴向运动。 该单元具有柔性密封构件,其相对端与活塞和气缸的相应轴向相对的部分密封接合,以在轴向方向上弹性膨胀和收缩。 柔性密封构件和活塞和气缸的相对部分形成用于接收用于致动活塞的流体压力的室。