Abstract: A disulfide cross-linked hyaluronic acid gelatin for postoperative abdominal (pelvic) adhesion prevention and a preparation method therefor, wherein the content of disulfide cross-linked hyaluronic acid of the disulfide cross-linked hyaluronic acid gelatin is among 3-8mg/mL. The disulfide cross-linked hyaluronic acid gelatin not only has favorable biocompatibility, but also has favorable prevention effects on tissue adhesions when being used for postoperative abdominal (pelvic) adhesion prevention.

Abstract: Systems and methods are disclosed for measuring Round Trip Time (RTT) and, in some embodiments, one-way latency between nodes of a cellular communications system. In one embodiment, a method performed by an observation function comprises observing, at a first time in a first direction of a communication path between first and second nodes of a cellular communications system, a packet with a first latency spin bit at or above a Packet Data Convergence Protocol (PDCP) layer set to a first value and storing the first time. The method further comprises observing, at a second time in the first direction of the communication path between the first and second nodes, a packet with the first latency spin bit set to a second value and storing the second time. The method further comprises computing a RTT as a difference of the second time and the first time.

Abstract: In accordance with an embodiment, A device includes: a first node configured to be coupled to a component to be tuned; a second node configured to be coupled to an inductor; a path including a capacitor coupling the first node and the second node; and a first switch coupled between the second node and a ground node.

Abstract: A magnetic resonance imaging system and a coil positioning method therefor are provided. The method includes: detecting an edge position of a radio frequency coil, wherein at least a portion of the radio frequency coil is located in the maximum scan field of view of a magnetic resonance imaging system; and determining, according to the edge position, a second distance by which a table is to be moved, wherein after the table is moved by the second distance, the center position of the radio frequency coil is aligned with a scan center.

Abstract: A method and system are provided for detecting an object within a predetermined region around a magnetic resonance imaging device. The method comprises: acquiring an image captured for a space where the magnetic resonance imaging device is located, the image including an edge of at least a portion of the predetermined region around the magnetic resonance imaging device; performing object detection according to the image; and determining, according to a result of the object detection and position information of at least the portion of the predetermined region, whether the object exists within the predetermined region. This approach enables detection of an object within a restricted region of a magnetic resonance imaging device, thereby achieving safety monitoring of the environment around the magnetic resonance imaging device.

Abstract: A connection method for an audio playback apparatus group, the audio playback apparatus group including a first audio playback apparatus and a second audio playback apparatus each sharing a first address and a second address, and the connection method including establishing a first connection between the first audio playback apparatus and the second audio playback apparatus using the first address, the first connection being based on a first Bluetooth mode, establishing, by the first audio playback apparatus, a second connection and a third connection with a first audio source device using the second address, the second connection being based on the first Bluetooth mode, and the third connection being based on a second Bluetooth mode, and establishing, by the second audio playback apparatus, a fourth connection with the first audio source device using the first address, the fourth connection being based on first Bluetooth mode.

Abstract: A motion control system includes a control platform, and at least one mobile device. The control platform communicates with each mobile device via at least two communication links. The control platform is configured to generate an emergency stop instruction in a case that it is detected that a safety event has been triggered, and transmit the emergency stop instruction to the mobile device via a first communication link. The emergency stop instruction complies with a preset safety communication protocol, and the first communication link is a communication link with the preset safety communication protocol among the at least two communication links. The mobile device is configured to receive the emergency stop instruction via the first communication link, parse the emergency stop instruction by using the preset safety communication protocol, and execute a shutdown operation according to a parsing result.

Abstract: An ablation catheter and an ablation system are provided. The ablation catheter includes a sheath and an ablation assembly. The ablation assembly is disposed at a distal end of the sheath for performing ablation and isolation on a target tissue area. The ablation system includes the ablation device and a mapping device, the mapping device includes a mapping electrode arranged at a distal end of the ablation catheter, and the mapping electrode is used for collecting electrophysiological signals in the target tissue area.

Abstract: Disclosed are a Bluetooth connection method of a wireless earphone and a wireless earphone including a first and a second earphone, and the Bluetooth connection method including: establishing at least one of a first Bluetooth connection and a second Bluetooth connection between a target terminal device and the first earphone; obtaining device information about the target terminal device based on establishing the second Bluetooth connection between the target terminal device and the first earphone; transmitting the device information and connection status information about the first earphone to the second earphone; and transmitting a directed advertisement and a first undirected advertisement or transmitting the first undirected advertisement based on the device information and the connection status information, to establish the second Bluetooth connection between the target terminal device and the second earphone; wherein the device information comprises an address and an Identity Resolution Key of the target

Abstract: A scanning region setting method for a medical imaging system is provided. The method includes: setting a first scanning region in a reference medical image, the reference medical image being a composite image generated by stitching a first medical scan image and a second medical scan image, or the reference medical image including any one of the first medical scan image and the second medical scan image, where the first scanning region is located on at least one of the first medical scan image and the second medical scan image.

Abstract: A magnetic resonance system and a scanning method for a magnetic resonance system are provided. The method includes: acquiring a type of a radio frequency coupling coil; and on the basis of the type of the radio frequency coupling coil, determining a parameter for performing a magnetic resonance scan on a subject to be examined; the radio frequency coupling coil is positioned relative to the subject to be examined, and when positioned within a body coil of the magnetic resonance system, the radio frequency coupling coil is configured to generate electromagnetic coupling with the body coil to receive a radio frequency pulse from the body coil, so as to generate a radio frequency field for exciting the subject to be examined.

Abstract: An ablation device and an ablation system provided with an ablation device, include an ablation assembly and an adjustment assembly provided at the proximal end of the ablation assembly. The adjustment assembly includes an outer catheter and an inner catheter which extend axially. The ablation assembly includes a supporting framework and an ablation member provided on the supporting framework. The supporting framework includes a positioning frame and a bearing frame. The positioning frame is provided at the distal end relative to the bearing frame, the distal end of the outer catheter is connected to the proximal end of the bearing frame, the distal end of the inner catheter is connected to the distal end of the positioning frame. During moving of the inner catheter relative to the outer catheter, the supporting framework deforms, and the deformation ratio of the positioning frame is less than that of the bearing frame.

Abstract: A method for controlling a set of wireless earphones, including: establishing a first Bluetooth (BT) connection between a first earphone of the set of wireless earphones and a source apparatus; based on the source apparatus supporting Ultra Wide Band (UWB) connections: establishing a first UWB connection between the first earphone and the source apparatus, and a second UWB connection between a second earphone of the set of wireless earphones and the source apparatus; and receiving, by the first earphone, audio data from the source apparatus using the first UWB connection, wherein the audio data is received from the source apparatus by the second earphone using the second UWB connection.

Abstract: A material transferring method includes: controlling a first robot transferring materials to move to a first entrance of the M entrances; and controlling the first robot to place a first quantity of materials at the first entrance, the first quantity being less than or equal to a second quantity. The first entrance is one of the M entrances that is in an idle state. The second quantity is a total quantity of materials to be placed on the conveyor line by the first robot.

Abstract: A device for detecting and adjusting comprehensive dynamic balance of turbomolecular pump rotors is provided. The device includes a test platform; a supporting mechanism arranged in the test platform, a detection mechanism arranged in the test platform and configured for detecting a dynamic balance of the turbine rotor to be tested in a rotating process, a driving mechanism arranged at a bottom of the test platform and configured for driving the turbine rotor to be tested to rotate, and a weight removing mechanism arranged at the top of a test platform and configured for reducing a weight of the traction tube. A front end of a turbine rotor to be tested is in transmission connection with the supporting mechanism through a connecting block, and a traction tube at a rear end of the turbine rotor to be tested is in transmission connection with the supporting mechanism.

Abstract: A technique of transporting a time protocol message for time-sensitive networking, TSN, from a first station (910) to a second station (920) through a wireless network (900) including at least one radio device wirelessly connected to at least one base station (400) of the wireless network (900) is provided. As to a method aspect, a method performed by at least one or each of the at least one radio device comprises a step of transmitting to the wireless network (900) a radio device request message requesting establishment of a packet data unit, PDU, session between the radio device and the wireless network (900), the radio device request message being indicative of a time protocol of the time protocol message. The method further comprises at least one of the steps of receiving from and transmitting to the at least one base station (400) of the wireless network (900) the time protocol message according to a Quality of Service, QoS, flow for transporting the time protocol message in the wireless network (900).

Abstract: A pulse ablation instrument includes a power supply circuit, a pulse switching circuit, a sampling circuit, and a switching control circuit. The power supply circuit is configured to supply power to a load. The pulse switching circuit is connected to the power supply circuit, to regulate a current output by the power supply circuit and flowing to the load. The sampling circuit is configured to sample a current flowing through a power feeding loop of the load and obtain a sampling value. The switching control circuit is electrically connected to the sampling circuit and the pulse switching circuit, and is configured to output a drive signal which controls an operation of the pulse switching circuit according to the sampling value and reduce a duty cycle of the drive signal to reduce an output current of the power supply circuit when the sampling value is greater than a threshold value.

Abstract: Methods and apparatuses for a 5G System (5GS) (20) support Dynamic VLAN configuration for a logical Ethernet bridge (24) provided by the 5GS. In at least one embodiment, a User Plane Function (UPF) (22) runs, on a conditional basis, for example, Multiple VLAN Registration Protocol (MVRP) for a User Equipment (UE) (12) establishing or modifying an Ethernet Protocol Data Unit (PDU) session. Running MVRP allows the UPF to learn the VLAN's associated with the UE and correspondingly dynamically configure bridging services. In one or more embodiments. UEs that act as trunk ports are assigned a predefined VLAN ID, e.g., via an Application Function (AF) (32), and, for a UE establishing or modifying a session, a Session Management Function (SMF) (26) indicates the predefined VLAN ID to the UPF, triggering the UPF to run MVRP for the UE.

Abstract: Methods and apparatuses for a 5G System (5GS) (20) support dynamic and semi-dynamic VLAN configuration for Ethernet bridging services provided by the 5GS. The 5GS (20) includes a node that is configured to receive and store VLAN configuration information for a CE (12). Particularly, the VLAN configuration information, which comprises a single predefined VLAN ID (VID) or a list of non-predefined VIDs or a single non-predefined VID, may be stored advantageously within 5G Virtual Network (VN) Group Data and indicates whether the UE (12) acts as an Ethernet trunk port or access port. With respect to the 5GS (20) establishing or modifying an Ethernet PDU session for the UE (12), a UPF (22) of the 5GS (20) configures Ethernet bridging operations for the UE as an access port or a trunk port, in dependence on the VLAN configuration information.

Abstract: According to various implementations, generally disclosed herein is a hybrid and hierarchical neural architecture search (NAS) approach. The approach includes performing a search space partitioning scheme to divide the search space into sub-search spaces. The approach further includes performing a first type of NAS, such as a Multi-trial NAS, to cover a search across the sub-search spaces. The approach also includes performing a second type of NAS, such as a One-Shot NAS, to cover each sub-search space. The approach further includes automatically stopping the second type of NAS based on one or more early stopping criteria.