Abstract: Embodiments of the present invention disclose a magnetic resonance system and a magnetic resonance scanning control method, the method comprising: acquiring a three-dimensional body model of a scan subject; receiving a user operating instruction to mark an implant in the three-dimensional body model of the scan subject to generate a simulated scan subject; acquiring current positioning information of the scan subject on a scanning table, and determining, on the basis of the current positioning information, virtual positioning information of the simulated scan subject in a virtual space, the virtual space comprising distribution information of a spatial field gradient of the magnetic resonance system; and on the basis of the virtual positioning information, evaluating a safety risk related to the spatial field gradient.

Abstract: A cooked millet prolamin peptide for inhibiting ?-amylase and ?-glucosidase, an application thereof, and a screening method thereof are disclosed. The sequence of the peptide is selected from SEQ ID NOS: 1-6. The peptide provided in the present disclosure can effectively inhibit the activities of ?-glucosidase and ?-amylase simultaneously and is safe and non-toxic and has no side effects. Therefore, the peptide has a good potential and application prospect as a functional component in food, health products, and hypoglycemic drugs.

Abstract: Embodiments of the present application provide a magnetic resonance system and a shimming method and an imaging method thereof. The shimming method comprises: performing a scout scan on a subject to be examined, and obtaining phase data of a plurality of slice positions; determining three-dimensional space static magnetic field information according to the phase data of the plurality of slice positions; and determining a shimming value of a slice in a region of interest according to the three-dimensional space static magnetic field information.

Abstract: The present disclosure is directed to an improved methods and systems using autofluorescence of naturally-occurring components in a sample embedded in an embedding medium. Methods and systems are provided for determining an amount of tissue or cell preparation exposed at a surface of an embedded sample, and for preparing a tissue specimen comprising a region of interest (ROI) from an embedded sample. Methods and systems are also provided for imaging a sample of a biological tissue, and for identifying different cell types in an embedded tissue sample.

Abstract: The present disclosure relates to a wireless communication system and communication method for a cableless detection robot for a gas pipeline. The wireless communication system includes an antenna assembly, a repeater assembly and a repeater retracting device, wherein the antenna assembly is fixed to the gas pipeline and extends into the interior of the gas pipeline, the repeater assembly is provided with at least one set, and the repeater retracting device is connected to the robot and used for retracting the repeater assembly along the gas pipeline, the antenna assembly, the repeater assembly and the robot are connected through a wireless signal having a wavelength less than 3.41r, wherein r represents the radius of the gas pipeline.

Abstract: In an embodiment, an off-grid phase splitter includes: a first input port and a second input port that are separately connected to a power supply; a first output port and a second output port that provide a second voltage, and the second output port and a third output port provide a third voltage; a first capacitor connected between the first output port and the second output port; a second capacitor connected between the second output port and the third output port; a first switch circuit and a second switch circuit connected in series to form a first node between the first input port and the second input port, where the first switch circuit and the second switch circuit are unidirectionally switched on in opposite directions,; and an inductor connected between the first node and the second output port.

Abstract: A bearing includes a thrust gas bearing attached to a journal bearing and two or more converging-diverging orifices defined in a surface of at least one of the thrust gas bearing and the journal bearing. The converging-diverging orifices supply at least one pressurized gas to an interior of the bearing. Hydrodynamic lifting grooves are provided on the faces of the thrust gas bearing and the journal bearing and provide improved load capacity and sealing capabilities. Control over the ratios of the pressurized gases provides for additional sealing capabilities and reduced leakage. A metal mesh damper provides increased damping of the gas bearing.

Abstract: The present disclosure relates to a charging system and a charging method for an automatic force detection robot for a gas pipeline. The charging system includes a primary charging unit disposed outside the gas pipeline and a secondary charging unit disposed in the gas pipeline, wherein the primary charging unit includes a primary magnetic core and a primary coil wound on the primary magnetic core, the secondary charging unit includes a secondary magnetic core and a secondary coil wound on the secondary magnetic core, the primary magnetic core and the secondary magnetic core form a closed magnetic field line, the primary coil is connected to a power supply, and the secondary coil is connected to a battery of the robot.

Abstract: In an embodiment, an off-grid phase splitter includes: a first input port and a second input port that are separately connected to a power supply; a first output port and a second output port that provide a second voltage, and the second output port and a third output port provide a third voltage; a first capacitor connected between the first output port and the second output port; a second capacitor connected between the second output port and the third output port; a first switch circuit and a second switch circuit connected in series to form a first node between the first input port and the second input port, where the first switch circuit and the second switch circuit are unidirectionally switched on in opposite directions,; and an inductor connected between the first node and the second output port.

Abstract: The present disclosure relates to a wireless communication system and communication method for a cableless detection robot for a gas pipeline. The wireless communication system includes an antenna assembly, a repeater assembly and a repeater retracting device, wherein the antenna assembly is fixed to the gas pipeline and extends into the interior of the gas pipeline, the repeater assembly is provided with at least one set, and the repeater retracting device is connected to the robot and used for retracting the repeater assembly along the gas pipeline, the antenna assembly, the repeater assembly and the robot are connected through a wireless signal having a wavelength less than 3.41r, wherein r represents the radius of the gas pipeline.

Abstract: The present disclosure relates to a charging system and a charging method for an automatic force detection robot for a gas pipeline. The charging system includes a primary charging unit disposed outside the gas pipeline and a secondary charging unit disposed in the gas pipeline, wherein the primary charging unit includes a primary magnetic core and a primary coil wound on the primary magnetic core, the secondary charging unit includes a secondary magnetic core and a secondary coil wound on the secondary magnetic core, the primary magnetic core and the secondary magnetic core form a closed magnetic field line, the primary coil is connected to a power supply, and the secondary coil is connected to a battery of the robot.

Abstract: A bearing includes a thrust gas bearing attached to a journal bearing and two or more converging-diverging orifices defined in a surface of at least one of the thrust gas bearing and the journal bearing. The converging-diverging orifices supply at least one pressurized gas to an interior of the bearing. Hydrodynamic lifting grooves are provided on the faces of the thrust gas bearing and the journal bearing and provide improved load capacity and sealing capabilities. Control over the ratios of the pressurized gases provides for additional sealing capabilities and reduced leakage. A metal mesh damper provides increased damping of the gas bearing.

Abstract: A fluid bearing for use in turbomachinery including at least one bearing pad configured to be arranged about a rotating member of the turbomachinery. Each bearing pad includes an internal cooling opening defined in the bearing pad and an internal channel network defined in the bearing pad with at least one channel node in fluid communication with the internal cooling opening and at least two passageways in fluid communication with and extending from the channel node through the bearing pad. At least one of the passageways extends to an exterior surface of the bearing pad to define at least one cooling discharge opening.

Abstract: A fluid bearing for use in turbomachinery including at least one bearing pad configured to be arranged about a rotating member of the turbomachinery. Each bearing pad includes an internal cooling opening defined in the bearing pad and an internal channel network defined in the bearing pad with at least one channel node in fluid communication with the internal cooling opening and at least two passageways in fluid communication with and extending from the channel node through the bearing pad. At least one of the passageways extends to an exterior surface of the bearing pad to define at least one cooling discharge opening.