Abstract: An efficient path planning method for a robot used for collecting marine debris includes: traversing all target positions of the marine debris by depth-first search (DFS) to generate a target position sequence; and calculating a target position with a lowest total cost by a path planning algorithm, and setting the target position with the lowest total cost as a next target position to be traversed for the robot. The efficient path planning method can plan an optimal or near-optimal cleaning path for the robot based on real-time environmental information, reducing unnecessary path repetition and ineffective motion, thereby significantly improving the cleaning efficiency.

Abstract: An injectable pharmaceutical composition and a preparation method therefor. Specifically, the pharmaceutical composition comprises apixaban nanoparticles, a surface stabilizer, and may further comprise a sedimentation inhibitor. The pharmaceutical composition has good stability and is suitable for industrial mass production.

Abstract: An injectable pharmaceutical composition containing meloxicam, and a preparation method therefor. The pharmaceutical composition includes meloxicam nanoparticles, a surface stabilizer, and a sedimentation inhibiting agent. The pharmaceutical composition has good stability, is not easy to settle, and is applicable to industrial large-scale production.

Abstract: A cardiac pacemaker system and control methods thereof are disclosed, wherein pacing logic and timing functions are enabled by a microprocessor and sensing and pulse delivery capabilities are accomplished by a peripheral IC. The microprocessor communicates with the peripheral IC via serial interfaces and electrical level signals. This allows for full use of internal resources of the modern ultra-low power microprocessor, lowering the dependence of the system on the peripheral IC and reducing the effort required for digital circuit design.

Abstract: A medical device for treating cardiac arrhythmia includes a microprocessor. A MCU configures the medical device to operate in a modified DVI (R) mode in which: when receiving a signal indicating the sensing of an atrial event, the MCU sets a PANP interval and sends to a time control unit a signal; if a scheduled post-ventricular atrial escaping interval is to end at a time not within the PANP internal, the MCU sends respective signals to a pacing control/generation unit and the time control unit to dictate the pacing control/generation unit and control a second timing unit to use a PAVI as a next ventricular escape interval; and if the scheduled post-ventricular atrial escaping interval is to end within the PANP interval, the MCU sends a signal to the time control unit, controlling the second timing unit to use the PAVI as the next ventricular escape interval.

Abstract: A medical device for treating cardiac arrhythmia is disclosed, including: a microprocessor (8) and a digital/analog module (9).

Abstract: A cardiac pacemaker system and control methods thereof are disclosed, wherein pacing logic and timing functions are enabled by a microprocessor and sensing and pulse delivery capabilities are accomplished by a peripheral IC. The microprocessor communicates with the peripheral IC via serial interfaces and electrical level signals. This allows for full use of internal resources of the modern ultra-low power microprocessor, lowering the dependence of the system on the peripheral IC and reducing the effort required for digital circuit design.

Abstract: An ELISpot diagnosis kit for NMO and its application are characterized in that, the polypeptide fragment specific to NMO effector T-cell is obtained through topological conformation analysis of aquaporin-4 (AQP-4), followed by the structural analyses of the related polypeptides after combination and rearrangement so as to screen out the brand-new polypeptide fragment suitable for NMO disease diagnosis. In the ELISpot experiment, by utilizing the obtained polypeptide fragment, stimulate the effector T-cell in the NMO disease to secrete IL-4, proving the feasibility and scientific value of that polypeptide fragment in the NMO diagnosis. This method is with strong specificity, high sensitivity and easy operations, and it can be developed into the diagnosis kit for the diagnosis and differential diagnosis of NMO in the clinical examination, laying the foundation for the early discovery and treatment of NMO.