Abstract: A position detection apparatus including: an electromagnetic induction module configured to send to a mode triggering module an induced voltage signal generated due to a change in a magnetic field; a mode triggering module configured to output a preset trigger signal based on the induced voltage signal, the trigger signal corresponding to the induced voltage signal; and a signal generating module configured to generate an analog signal of a first mode corresponding to the induced voltage signal based on the received trigger signal, and send the analog signal of the first mode to an MR receiving module of an MRI system via an antenna module, so that: the MR receiving module judges whether the wireless squeeze ball has entered the interior of a body coil from outside a tubular body of the MRI system, based on the analog signal of the first mode.

Abstract: A local coil array for a magnetic resonance tomography unit includes a plurality of antenna coils for receiving magnetic resonance signals from a patient, a first frequency converter for converting the magnetic resonance signals to a first intermediate frequency, and a plurality of transmission coils for transmitting intermediate frequency signals by inductive coupling. The magnetic resonance tomography unit includes a field of view and a plurality of reception coils for inductively coupling to transmission coils of the local coil array. The plurality of reception coils is arranged next to the field of view such that the plurality of reception coils inductively couples with transmission coils of the local coil array arranged at a patient in the field of view.

Abstract: A three-frequency cycle slip detection method of a BDS based on Doppler integration assistance includes: performing an epoch integration on three-frequency Doppler observation values to obtain a three-frequency Doppler integration value, determining an epoch pseudo-range variable according to the three-frequency Doppler integration value, determining the epoch carrier phase variable according to the frequency carrier phase observation values, determining two groups of optimal three-frequency carrier phase combination coefficients according to the combination observation wavelength, the ionospheric delay coefficient, and the root mean square error of the pseudo-range phase combination cycle slip detection variable, determining a three-frequency STPIR slip detection variable and a three-frequency STPIR cycle slip detection threshold, and constructing three-frequency cycle slip solution equations according to the two groups of optimal three-frequency carrier phase combination coefficients, and obtaining a cycle

Abstract: Provided are a salt of a compound for degrading BTK, and/or a crystal form, preparation therefor, and an application thereof.

Abstract: A coil unit decoupling device and a magnetic resonance system. The device comprises a first phase shift circuit, a second phase shift circuit and a first crossover element, and the first crossover element is a capacitor or inductor, wherein a first connecting end of the first phase shift circuit is connected with a first port of a first coil unit, a second connecting end of the first phase shift circuit is connected with a first connecting end of the first crossover element, a first connecting end of the second phase shift circuit is connected with a first port of a second coil unit, a second connecting end of the second phase shift circuit is connected with a second connecting end of the first crossover element, and the first coil unit and the second coil unit are located in a magnetic resonance system.

Abstract: The disclosure relates to a magnetic resonance imaging device configured to exert a high-frequency electromagnetic field on an object under test in a static magnetic field and to reconstruct an image based on magnetic resonance signals. The magnetic resonance imaging device comprises a receiving coil comprising a plurality of receiving coil elements and configured to receive magnetic resonance signals and feed the magnetic resonance signals to a receiver, and a coupler configured to be coupled with at least a first receiving coil element of the receiving coil, the coupler being directionally coupled with at least the receiver, the first receiving coil element being configured to receive a high-frequency electromagnetic wave signal through the coupler. The directional coupling between the coupler and the receiver is so regulated that the first receiving coil element transmits the high-frequency electromagnetic wave signal to the object under test to sense a physiological movement signal.

Abstract: The utility model relates to the technical field of coffee machines, and discloses a manual coffee machine, comprising a liner, a coffee cup, a piston assembly and a driving rod. The driving rod is connected with the piston assembly and drives the piston assembly to rise and fall in the liner; the piston assembly separates an inner cavity of the liner into an upper cavity body and a lower cavity body; the piston assembly comprises a piston, a bracket and a valve core; the piston is provided with a water hole; and the valve core is limited and installed between the bracket and the water hole through the bracket. When the piston assembly rises and falls, the valve core unblocks or blocks the water hole.

Abstract: A calling device of a MRI system may include a reader/writer and a call maker. The reader/writer can send a fixed-frequency electromagnetic wave. The call maker may include a main body, an antenna, an operating member, and an answering controller. The antenna can generate an induced current after receiving the fixed-frequency electromagnetic wave. The operating member can switch between first and second positions relative to the main body. The answering controller is configured such that: when the operating member is in the first position, a first radio-frequency signal is sent through the antenna with energy obtained from the induced current generated by the antenna, and when the operating member is in the second position, a second radio-frequency signal is sent through the antenna with energy obtained from the induced current generated by the antenna. The reader/writer can send different prompt signals according to the first and second radio-frequency signals.

Abstract: Methods of treating patients suffering from or exhibiting symptoms of mental, behavioral, and/or cognitive disorders with azelastine or a pharmaceutically acceptable salt of azelastine are disclosed.

Abstract: Pharmaceutical compositions comprising azelastine or a pharmaceutically acceptable salt of azelastine and melatonin are disclosed. Methods of using the pharmaceutical compositions for treating patients suffering from insomnia are also disclosed.

Abstract: A compound as shown in general formula (I) or stereoisomers, deuterated compounds, solvates, prodrugs, metabolites, pharmaceutically acceptable salts or co-crystals thereof, and intermediates thereof, a preparation method therefor, and a use thereof for treating BTK-related diseases, such as cancer or autoimmune diseases.

Abstract: A columnar storage method and a query method and system for time series data. The storage method includes: dividing a column of time series data into a plurality of pages, wherein each page stores a part of data points of the column of time series data and the sum of the data points stored in all the pages is all the data points in the column of time series data (S1); and setting two parts, i.e., a page header and a page body, for each page, storing summary index information of all the data points in the page in the page header of the page and storing data value information of all the data points in the page in the page body of the page (S2).

Abstract: The present disclosure is directed to a coil unit decoupling apparatus and a magnetic resonance system. The apparatus is connected to a first coil unit and a second coil unit in a magnetic resonance system, and is configured to separate, by using a distribution characteristic of a spatial quadrature field between the first coil unit and the second coil unit, a Helmholtz signal and an anti-Helmholtz signal from signals received from the first coil unit and the second coil unit, so as to implement decoupling between the first coil unit and the second coil unit. This facilitates the complexity of decoupling coil units being reduced.

Abstract: Methods of treating patients suffering from or exhibiting symptoms of mental, behavioral, and/or cognitive disorders with azelastine or a pharmaceutically acceptable salt of azelastine are disclosed.

Abstract: A power supply adjustment method may include: providing a pulse-width modulation (PWM) signal, a duty cycle of the PWM signal being preset to a fixed value; performing PWM processing on an input signal by using the PWM signal to obtain a first modulation signal; performing first filtering processing on the first modulation signal to obtain a second modulation signal; and performing linear adjustment processing on the second modulation signal to output a target signal. According to the power supply adjustment method, the power supply apparatus, the portable component, and the magnetic resonance device provided in the present disclosure, interference of noise generated by PWM on the portable component can be reduced, thereby reducing requirements for a shielding component, further reducing a weight of the portable component in the magnetic resonance device and improving portability.

Abstract: Pharmaceutical compositions comprising ebastine and alprazolam are disclosed. Methods of using the pharmaceutical compositions for treating patients suffering from insomnia are also disclosed.

Abstract: MR signal transmission line connection structure. A first connector fixed to a bed of an MR imager and connectable to an MR imaging. A second connector, which is disposed at an opposite side of an opening side of a chamber of the MR imaging device allowing entry of the bed, connected to a signal receiver for MR signals by a cable. The first connector has a first connection terminal, and the second connector has a second connection terminal. When the bed moves into the chamber, the first connector abuts the second connector such that the first connection terminal is connected to the second connection terminal, and an MR signal received by the coil is conveyable to the signal receiver via the first and second connection terminals. When the MR imaging ends, the bed moves back out of the chamber, breaking the connection between the first and second connection terminals.

Abstract: The present invention discloses an electrothermal ultrasonic cleaning ice cream scoop, and relates to the technical field of ultrasonic cleaning. The electrothermal ultrasonic cleaning ice cream scoop can be started by long pressing a button switch for two seconds. After starting, a heating element is driven by a lithium battery for heating operation until the temperature reaches 45° C., an LED lamp turns blue at the same time, and the ice cream scoop can be used directly. After use, the aluminum alloy scoop is put into clean water when needing to be cleaned, the button switch is double clicked to make the lithium battery drive a sonic motor to run.

Abstract: Techniques are disclosed for a local coil and a magnetic resonance imaging system. The local coil includes a plurality of coil units that respectively receive magnetic resonance signals generated when magnetic resonance detection is performed on a detected object, and a signal processing unit configured to perform processing including signal preprocessing and quadrature modulation on the magnetic resonance signals received by the plurality of coil units to obtain signals to be transmitted. Contactless connectors are also disclosed, each being configured to couple the signals to be transmitted to a contactless connector at the MR system side.

Abstract: Pharmaceutical compositions comprising azelastine or a pharmaceutically acceptable salt of azelastine and alprazolam are disclosed. Methods of using the pharmaceutical compositions for treating patients suffering from one or more psychiatric disorders such as major depressive disorder, generalized anxiety disorder, panic disorder, agitation, social anxiety disorder, mild chronic depression, obsessive-compulsive disorder, premenstrual dysphoric disorder, seasonal affective disorder, dysthymia, childhood enuresis, bipolar disorder, posttraumatic stress disorder, sleep disorder related to anxiety, are also disclosed.