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710 条记录 (耗时 0.028 秒)

    Shock Tube and Cell Electroporation Device with the Shock Tube
    5.
    发明申请
    Shock Tube and Cell Electroporation Device with the Shock Tube 审中-公开

    公开(公告)号：US20200032191A1

    公开(公告)日：2020-01-30

    申请号：US16586989

    申请日：2019-09-29

    申请人： Jian Chen

    发明人： Jian Chen

    IPC分类号： C12M1/42 ,  C12M1/12 ,  B01L3/00

    摘要： The shock tube comprises a tube, a first electrode, a second electrode and a stopple, wherein the tube is internally provided with a cavity for accommodating a target liquid sample. The first electrode is arranged at one end of the tube. The second electrode is arranged in the stopple, and the outer end of the second electrode can be electrically connected with the exterior via an opening of the stopple. The stopple is internally provided with an elastic piece connected with the second electrode. The outer side of the elastic piece is connected with the stopple, and the inner side of the elastic piece is connected with the second electrode. The invention further provides a cell electroporation device where the shock tube can be placed.

    Method and system for searching for a web document
    8.
    发明授权
    Method and system for searching for a web document 有权

    公开(公告)号：US09690855B2

    公开(公告)日：2017-06-27

    申请号：US13549416

    申请日：2012-07-14

    申请人： Sheng Hua Bao ,  Jian Chen ,  Zhong Su ,  Rui Wang

    发明人： Sheng Hua Bao ,  Jian Chen ,  Zhong Su ,  Rui Wang

    IPC分类号： G06F17/30

    CPC分类号： G06F17/30864

    摘要： Provided is a method applied to a system including a plurality of sensors, a proxy, and a server. The method includes: measuring objects by the plurality of sensors to obtain first measurement values; computing a correlation among the first measurement values by the server based on the first measurement values; computing an actual measurement value of a second measurement value by the proxy based on the first measurement values and a given function; verifying the plurality of sensors by setting one or more sensors as verification target sensors in turn by the server at predetermined timing; computing a predicted value of the second measurement value by the server based on the correlation and the first measurement values obtained from the other sensors; and outputting the predicted value of the second measurement value instead of the actual measurement value thereof at least during the verification of the verification target sensors.

    Switching regulator control circuit
    9.
    发明授权
    Switching regulator control circuit 有权

    公开(公告)号：US09601991B2

    公开(公告)日：2017-03-21

    申请号：US13438398

    申请日：2012-04-03

    申请人： Jian Chen

    发明人： Jian Chen

    IPC分类号： H02M3/335 ,  H02M1/42

    CPC分类号： H02M1/4258 ,  Y02B70/126

    摘要： In a switching regulator control circuit according to aspects of the invention, a drain current is converted to a voltage Vis with a resistance. The voltage is delivered to a multiplication circuit. The multiplication circuit generates and outputs a voltage that is a product signal of the voltage and a voltage that is proportional to a duty factor. A comparator circuit compares the voltage with an error signal delivered to the other comparison input terminal of the comparator. When the voltage has reached the error voltage, the comparator delivers a turn-off instruction through an OR circuit to a terminal of a flip-flop.

    Regular expression matching method and system, and searching device
    10.
    发明授权
    Regular expression matching method and system, and searching device 有权
    正则表达式匹配方法和系统，搜索设备

    公开(公告)号：US09390134B2

    公开(公告)日：2016-07-12

    申请号：US13339043

    申请日：2011-12-28

    申请人： Rui Hu ,  Jian Chen

    发明人： Rui Hu ,  Jian Chen

    IPC分类号： G06F17/30

    CPC分类号： G06F17/30516 ,  G06F17/30867

    摘要： A regular expression matching method and system, and a searching device are provided. First, the searching device performs string filtering on a data stream to be matched, in which if keywords in the data stream and preset character words have at least one same character, the searching device indicates that the data stream passes through the string filtering. Then the searching device performs regular expression filtering on the data stream passing through the string filtering. In a string filtering process through the method, system, and device, when Hash mapping positions of the keywords of the data stream are a subset of the Hash mapping positions of the character words, it indicates that the data stream passes through the string filtering, and it is not required to store the keywords and further compare the keywords with the character words, thereby saving the storage space and improving performance.

    摘要翻译： 提供了正则表达式匹配方法和系统，以及搜索装置。 首先，搜索装置对要匹配的数据流执行字符串过滤，其中如果数据流中的关键字和预设字符字具有至少一个相同的字符，则搜索装置指示数据流通过字符串过滤。 然后，搜索设备对通过字符串过滤的数据流执行正则表达式过滤。 在通过方法，系统和设备的字符串过滤过程中，当数据流的关键字的哈希映射位置是字符字的哈希映射位置的子集时，表示数据流通过字符串过滤， 并且不需要存储关键词并进一步将关键词与字符词进行比较，从而节省存储空间并提高性能。