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    • 5. 发明申请
    • Nuclear magnetic resonance spectrometer and method for operation thereof
    • 核磁共振光谱仪及其操作方法
    • US20050206383A1
    • 2005-09-22
    • US11059372
    • 2005-02-17
    • Minseok ParkHiroshi MoritaHideta Habara
    • Minseok ParkHiroshi MoritaHideta Habara
    • G01R33/30G01R33/34G01V3/00
    • G01R33/30
    • There is providesd a nuclear magnetic resonance spectrometer having a high sensitiveness by simultaneously realizing a high uniformity of a static magnetic field and a high measuring sensitiveness. A sample tube used in the nuclear magnetic resonance spectrometer is constructed in a structure in which the shape of a sample placed in a measuring space can be changed. The change in shape of the sample can be achieved by controlling the pressure applied to the sample. There is at least one surface of contact between the sample placed in the measuring space and a gas existing around the sample, and the shape of such surface is maintained by the surface tension of the sample. In this case, a central portion of a magnet, into which the sample tube is inserted, filled with a sterilizing gas having a pressure higher than the atmospheric pressure, and the sample having a surface of contact with the gas is maintained in a sterile state. A measuring coil used in the nuclear magnetic resonance spectrometer is disposed on a rotatable curved surface symmetrical with respect to a rotational axis provided by a longitudinal center axis of the sample tube.
    • 通过同时实现静磁场的高均匀性和高测量灵敏度,提供了具有高灵敏度的核磁共振光谱仪。 在核磁共振光谱仪中使用的样品管被构造成可以改变放置在测量空间中的样品的形状的结构。 可以通过控制施加到样品上的压力来实现样品的形状变化。 在放置在测量空间中的样品和存在于样品周围的气体之间存在至少一个接触表面,并且通过样品的表面张力保持这种表面的形状。 在这种情况下,将样品管插入其中的磁体的中心部填充有压力高于大气压的灭菌气体,并且与气体接触的表面的样品保持在无菌状态 。 在核磁共振光谱仪中使用的测量线圈设置在相对于由样品管的纵向中心轴线提供的旋转轴线对称的可旋转曲面上。
    • 9. 发明申请
    • Stabilizer for stabilizing NMR magnetic field and method of the same
    • 用于稳定核磁共振磁场的稳定剂及其方法
    • US20060017441A1
    • 2006-01-26
    • US11187856
    • 2005-07-25
    • Minseok ParkHideta Habara
    • Minseok ParkHideta Habara
    • G01V3/00
    • G01R33/389
    • An NMR apparatus provided with a lock device having improved monotonicity without reducing a control range. In a lock device including a lock transmitter, a lock receiver, a lock detector, a lock corrector, a lock power supply and a lock coil, the lock detector performs complex detection of a detection signal and outputs to the lock corrector an absorption signal SA which is a real number component of the detection signal and a dispersion signal SD which is an imaginary number component of the detection signal; the lock corrector obtains a value SC by multiplying together SD/(SD2+SA2) and a value G, and the lock power supply performs adjustment so that a current flowing through the lock coil is proportional to SC. Different constants G are selectively used according to the value of SD/(SD2+SA2).
    • 一种具有锁定装置的NMR装置,其具有改善的单调性,而不减少控制范围。 在包括锁定发送器,锁定接收器,锁定检测器,锁定校正器,锁定电源和锁定线圈的锁定装置中,锁定检测器执行检测信号的复杂检测,并向锁定校正器输出吸收信号SA 其是检测信号的实数分量和作为检测信号的虚数分量的色散信号SD; 锁定校正器通过将SD /(SD 2 + SA 2>)和值G相乘来获得值SC,并且锁定电源执行调整,使得电流流动 通过锁定线圈与SC成正比。 根据SD /(SD 2 + SA 2)的值选择使用不同的常数G。
    • 10. 发明申请
    • Nuclear magnetic resonance apparatus having a controllable detector
    • 具有可控检测器的核磁共振装置
    • US20050099182A1
    • 2005-05-12
    • US10919327
    • 2004-08-17
    • Minseok ParkMichiya OkadaHiroshi Morita
    • Minseok ParkMichiya OkadaHiroshi Morita
    • G01R33/32G01R33/36G01V3/00
    • G01R33/3621
    • In an NMR apparatus having an analog-to-digital converter for converting the voltage signal V(t) to a digital signal, a reference signal generator for generating reference waves which are digital signals, and a quadrature detector for performing a quadrature detection operation, a detection controller for changing a frequency of or of the reference waves or a time interval of A which is a time interval between data points of digitized NMR signals and also a time interval between data points of the reference waves during detection is installed and furthermore, a storage device for preserving the voltage signal V(t) converted to a digital amount at least until the quadrature detector or the reference signal generator changes the frequency or of the reference waves or the time interval A is installed between the analog-digital converter and the quadrature detector.
    • 在具有用于将电压信号V(t)转换为数字信号的模拟 - 数字转换器的NMR装置中,用于产生作为数字信号的参考波的参考信号发生器和用于执行正交检测操作的正交检测器, 用于改变参考波的频率的检测控制器或作为数字化NMR信号的数据点之间的时间间隔的A的时间间隔以及检测期间参考波的数据点之间的时间间隔的安装, 至少直到正交检测器或参考信号发生器改变频率或参考波,或者将时间间隔A安装在模拟数字转换器和 正交检测器。