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    • 73. 发明授权
    • Error control system
    • 错误控制系统
    • US5027356A
    • 1991-06-25
    • US320442
    • 1989-03-08
    • Makoto NakamuraTomoko Kodama
    • Makoto NakamuraTomoko Kodama
    • H04L1/16H04L1/00
    • H04L1/1874H04L1/0061H04L1/203
    • An error control system retransmits a portion of information if an error occurs on the portion in transmitting the information. The retransmission is carried out in the steps of dividing information into information blocks each composed of one or a plurality of bits; transmitting the information blocks from a transmitter to a receiver in one of a plurality of first transmission areas, the first transmission areas being arranged at predetermined time intervals on a time axis, each of the first transmission areas having a first predetermined time length; judging whether or not errors have occurred on the information blocks in transmitting them; transmitting requests for retransmitting information blocks which have been judged to have errors, from the receiver to the transmitter; and retransmitting the information blocks for which the retransmission requests have been made, from the transmitter to the receiver in one of a plurality of second transmission areas, the second transmission areas being arranged alternately with the first transmission areas on the time axis, each of the second transmission areas having a second predetermined time length.
    • 如果在发送信息的部分发生错误,则错误控制系统重发信息的一部分。 在将信息划分为由一个或多个比特构成的信息块的步骤中进行重传; 在多个第一传输区域之一中将信息块从发射机发射到接收机,第一传输区域在时间轴上以预定时间间隔布置,每个第一传输区域具有第一预定时间长度; 判断发送信息块是否发生错误; 从所述接收机向所述发射机发送重传已经被判断为具有错误的信息块的请求; 并且在多个第二传输区域之一中从所述发射机向所述接收机重传已经进行了重发请求的信息块,所述第二传输区域与所述时间轴上的所述第一传输区域交替布置, 第二传输区域具有第二预定时间长度。
    • 75. 发明授权
    • Measurement method of peroxidase activity
    • 过氧化物酶活性测定方法
    • US4855229A
    • 1989-08-08
    • US936320
    • 1986-12-01
    • Eriko KogureMakoto NakamuraToshiaki Kumazawa
    • Eriko KogureMakoto NakamuraToshiaki Kumazawa
    • C12Q1/28
    • C12Q1/28C12Q2326/20Y10S435/81
    • A measurement method of peroxidase activity is based on reaction of o-phenylenediamine and hydrogen peroxide in the presence of peroxidase. This method includes preparing and storing a first reagent containing o-phenylenediamine and having a first pH value higher than a second pH value at which the reaction is conducted, and preparing and storing a second reagent having a buffering capability larger than the first reagent. At the time of measurement, the stored first and second reagents are mixed together with a sample containing peroxidase, and a predetermined amount of hydrogen peroxide to provide a reaction mixture having the second pH value. The reaction is conducted in the reaction mixture, thereby producing 2,2'-diamino-azobenzene, and the absorbance increase at the maximum absorption wavelength of the produced 2,2'-diamino-azobenzene is measured.
    • 过氧化物酶活性的测定方法是基于邻苯二胺和过氧化氢在过氧化物酶存在下的反应。 该方法包括制备和储存含有邻苯二胺的第一试剂,其具有高于进行反应的第二pH值的第一pH值,以及制备和储存具有大于第一试剂的缓冲能力的第二试剂。 在测量时,将储存的第一和第二试剂与含有过氧化物酶的样品和预定量的过氧化氢混合在一起以提供具有第二pH值的反应混合物。 在反应混合物中进行反应,由此生成2,2'-二氨基偶氮苯,测定所生成的2,2'-二氨基偶氮苯的最大吸收波长处的吸光度增加。