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    • 71. 发明授权
    • Concrete constructions employing the use of a ductile strip
    • 使用延性条的混凝土结构
    • US06694690B2
    • 2004-02-24
    • US09902054
    • 2001-07-10
    • Victor C. LiJun Zhang
    • Victor C. LiJun Zhang
    • E04B168
    • E04F15/14E01C7/147E01C11/04E04B1/68E04G23/0203E04G23/0214Y02A30/336
    • The present invention relates to a concrete construction that comprises a concrete slab and a ductile strip adjacent the slab. The ductile strip comprises an engineered cementitious composite of cementitious material and reinforcing fibers with the ductile strip being directly bonded to the slab. The present invention also relates to a method of making or repairing a concrete construction, the method comprises providing a ductile strip adjacent a concrete slab, wherein the ductile strip is made of an engineered cementitious composite comprising cementitious material and hydrophilic and/or hydrophobic reinforcing fibers. The present invention further relates to a roadbed or building floors suitable for vehicular traffic, the roadbed comprises a plurality of slabs and ductile strips comprising an engineered cementitious composite of cementitious material and reinforcing fibers.
    • 本发明涉及一种混凝土结构,其包括混凝土板和邻近板的延性带。 延性带包括水泥质材料和增强纤维的工程水泥质复合材料,其中延性带直接结合到板坯上。 本发明还涉及一种制造或修理混凝土结构的方法,所述方法包括在混凝土板附近提供延性条,其中所述韧性带由包括水泥质材料和亲水和/或疏水增强纤维的工程水泥复合材料制成 。 本发明还涉及适用于车辆交通的路基或建筑物地板,所述路基包括多个板坯和延性带,其包括水泥质材料和增强纤维的工程水泥基复合材料。
    • 72. 发明授权
    • Tunable IR laser source for MALDI
    • 可调谐的红外激光源用于MALDI
    • US06683894B1
    • 2004-01-27
    • US09552579
    • 2000-04-19
    • Hyo Sang LeeCoorg R. PrasadJun Zhang
    • Hyo Sang LeeCoorg R. PrasadJun Zhang
    • H01S310
    • H01J49/164H01S3/0612H01S3/09408H01S3/09415H01S3/117H01S3/1618H01S3/1643
    • A diode pumped solid state laser/OPO system widely tunable in mid infrared spectrum for infrared matrix assisted laser desorption/ionization (MALDI) mass spectroscopy is disclosed. Up to a few tens of milli-Joule, short pulse, tunable near infrared laser pulse is generated from an all solid state laser at a high pulse repetition rate up to one kHz. The tunable near-infrared laser pumps a Quasi-Phase Matching (QPM) OPO system to further shift the wavelength to the mid-IR range and to broaden the tuning range to as much as 3 &mgr;m to effectively generate a widely tunable spectral output. The wide range tuning of the infrared output is accomplished by a narrow range tuning of the pump laser. The pump laser output is generated by a diode pumped tunable solid state laser module using either a Yb:YAG crystal or any other efficient tunable laser crystals. The wavelength range (2-5 &mgr;m) covered by the solid state laser system is optimum for MALDI applications. This wavelength range is especially beneficial for large mass DNA analysis. A light detection and ranging system is also disclosed.
    • 公开了用于红外矩阵辅助激光解吸/电离(MALDI)质谱的中红外光谱广泛可调谐的二极管泵浦固态激光器/ OPO系统。 高达几十毫焦耳,短脉冲,可调谐的近红外激光脉冲从全固态激光器以高达1kHz的高脉冲重复频率产生。 可调谐近红外激光泵浦准相位匹配(QPM)OPO系统,以进一步将波长转移到中红外范围,并将调谐范围扩展到3um以有效地产生广泛可调谐的光谱输出。 通过泵浦激光器的窄范围调谐来实现红外输出的宽范围调谐。 泵浦激光器输出由使用Yb:YAG晶体或任何其他有效的可调谐激光晶体的二极管泵浦可调谐固态激光器模块产生。 由固体激光系统覆盖的波长范围(2-5μm)对于MALDI应用是最佳的。 该波长范围对于大质量DNA分析特别有益。 还公开了光检测和测距系统。
    • 78. 发明申请
    • ELECTRICAL CONNECTOR
    • US20200169016A1
    • 2020-05-28
    • US16683461
    • 2019-11-14
    • Jun Zhang
    • Jun Zhang
    • H01R12/70H01R13/502H01R13/40
    • An electrical connector includes: an insulating frame, having an accommodating space to accommodate a chip module; a metal sheet, fixed to the insulating frame and provided with multiple positioning slots; and multiple insulating blocks respectively positioned correspondingly in the positioning slots movably in a vertical direction. The metal sheet has a first stopping portion and a second stopping portion on a periphery of each positioning slot. Each insulating block is formed separately from the insulating frame and accommodates multiple conductive terminals, and has a first protruding portion located above the first stopping portion, and a second protruding portion located below the second stopping portion, such that the first and second stopping portions restrict the insulating blocks from moving vertically. In the vertical direction, a gap exists between the first protruding portion and the first stopping portion, and a gap exists between the second protruding portion and the second stopping portion.