Abstract: The present disclosure relates to a protein composition having a joint repair function. Preparation of the protein composition comprises the following steps: adding any one of or a combination of a nuclease or Benzonase nuclease of 20 U/mL-35 U/mL into a cell protein extract, placing same at 37° C.±1° C. for enzymatic hydrolysis for 15-40 minutes, and separating and purifying the prepared enzymatic hydrolysate to obtain the protein composition. The protein composition obtained in the present disclosure has the effects of cell repair, joint repair, or cartilage repair, and is used for preventing and treating any one of or a complication of traumatic arthropathy, degenerative osteoarthropathy, joint injury, refractory wound lesions, knee osteoarthrosis, or cartilage injury.

Abstract: Example embodiments of the present disclosure relate to an effective mechanism for reference signal (RS) configuration. In this solution, the terminal device determines at least one cyclic shift (CS) for an SRS transmission with four antenna ports, the at least one CS comprising: at least one first CS and at least one second CS, where the at least one second CS is different from the at least one first CS. Further, the terminal device transmits, to a network device and based on the at least one first CS and the at least one second CS, the SRS transmission over a comb-structure resource with a comb value of eight. In this way, the peak to average power ratio (PAPR) performance is improved.

Abstract: A trenchless multi-stage pipe cleaning device and method combining an artificial tornado and dagger-like mechanical sand is provided. The trenchless multi-stage pipe cleaning device includes a primary pipe cleaning device and a secondary pipe cleaning device that are connected. An outer wall of the pipe cleaning device is provided with multiple air inlet joint pipes evenly distributed in a circumferential direction. The air inlet joint pipes are connected to an air compressor. Each of the air outlet joints is connected to a nozzle. The primary pipe cleaning device is connected to a vibrating screen. The trenchless multi-stage pipe cleaning device further includes a back-end sewage discharge device. In the trenchless multi-stage pipe cleaning method, the mechanical sand continuously scrape and collide with the inner wall of the cleaning target, so as to achieve a desired efficient trenchless water-free pipe cleaning effect.

Abstract: The present disclosure discloses a method for simulating performance of an LNG ambient air vaporizer under a frosting condition, performing site operation test on the LNG ambient air vaporizer to obtain fitting relationship between the outer wall temperature of frosted finned tube and frost layer; transforming a sum of increased frost layer thermal resistance and thermal resistance into equivalent thermal contact resistance, and representing the equivalent thermal contact resistance as a function of the outer wall temperature; establishing a calculation model of the LNG ambient air vaporizer, performing simulation calculation by equivalent heat conduction coefficient, so as to obtain fluid-solid conjugate heat transfer characteristics and vaporization performance of the LNG ambient air vaporizer under the frosting condition.

Abstract: Disclosed are visual recognition and sensor fusion weight detection system and method. An example method includes: tracking, by a sensor system, objects and motions within a selected area of a store; activating, by the sensor system, a first computing device positioned in the selected area in response to detecting a presence of a customer within the selected area: identifying, by the sensor system, the customer and at least one item carried by the customer; transmitting, by the sensor system, identifying information of the customer and the at least one item to a computing server system via a communication network; measuring, by the first computing device, a weight of the at least one item; transmitting, by the first computing device, the weight to the computing server system via the communication network; and generating, by the computing server system, via the communication network, transaction information of the at least one item.

Abstract: A rapid detection method for ricin toxin is provided. The rapid detection method for ricin toxin comprises reacting an adenine-containing oligonucleotide chain substrate labeled with a fluorescent group and a quenching group, a buffer solution, a BSA solution, a to-be-detected sample and sterile water, incubating at a constant temperature, detecting a fluorescence signal value, and determining whether the ricin toxin exists based on a difference between an average value of final fluorescence signal values and an average value of final fluorescence signal values of a negative control; wherein the sample is judged as a positive sample when the average value of the detected final fluorescence signal values is greater than the average value of the final fluorescence signal values of the negative control by +3 times standard deviation.

Abstract: An apparatus for polishing a butt weld includes a machine frame; a polishing mechanism, including a rotating arm, a supporting column rotatably mounted on the rotating arm, and a polishing roll rotatably mounted on the supporting column in a circumferential direction of the polishing roll; an angle limiting assembly, movably mounted on the rotating arm, the angle limiting assembly limiting an angle at which an outer side end of the supporting column swings upward; a roll driving part, mounted on the rotating arm. The roll driving part is in transmission connection with the polishing roll and drives the polishing roll to rotate on the supporting column in the circumferential direction of the polishing roll. An arm driving part is mounted on a fixed frame, the rotating arm being mounted on the arm driving part, and the arm driving part drives the rotating arm to rotate in a circumferential direction.

Abstract: The present disclosure relates to a neural repair protein composition. The preparation thereof includes the following steps: adding 20 U/mL-35 U/mL of any one of or a combination of nuclease or omnipotent nuclease to a cell protein extract, performing enzymatic hydrolysis at 37° C.±1° C. for 15-40 minutes, and separating and purifying the prepared enzymatic hydrolysate. The neural repair protein composition of the present disclosure has the effects of cell repair and nerve damage repair, and can be used to repair nerve damage caused by diseases such as central nervous system damage, neurodegenerative diseases, stroke, brain damage, ataxia, cerebral hemorrhage, Alzheimer's disease, Parkinson's disease, senile dementia or complications thereof. It has the advantages of good stability, high bioavailability, safety and effectiveness, and is easy to produce and store.

Abstract: The present disclosure discloses a multi-energy coupled cooling/heating system for buildings in a long-term cooling region, including a multi-level management unit for heat sources, a solar energy heat collection unit, a lithium bromide absorptive refrigeration unit, a gas heat complementing unit, a ground source heat pump cooling/heating unit, and an indirect evaporative cooling waste heat recovery unit; the multi-level management unit for heat sources is connected to the solar energy heat collection unit, the lithium bromide absorptive refrigeration unit, the gas heat complementing unit, and the ground source heat pump cooling/heating unit; the ground source heat pump cooling/heating unit is connected to the indirect evaporative cooling waste heat recovery unit. The present disclosure adopts double-water tank structure, designs based on stratification principle, so as to achieve heat source classification management.

Abstract: An image processing method includes: converting a red yellow blue RYB image into a grid image based on a red green blue RGB format; generating a first brightness layer of the grid image, and determining a reference gain compensation array used to adjust the first brightness layer; obtaining, based on a preset compensation array correspondence, a target gain compensation array that is associated with the reference gain compensation array and based on an RYB format; and adjusting a second brightness layer of the RYB image by using the target gain compensation array, to generate a corrected image.

Abstract: The present disclosure provides a trenchless multi-stage pipe cleaning device and method combining an artificial tornado and dagger-like mechanical sand. The trenchless multi-stage pipe cleaning device includes a primary pipe cleaning device and a secondary pipe cleaning device that are connected. An outer wall of the pipe cleaning device is provided with multiple air inlet joint pipes evenly distributed in a circumferential direction. The air inlet joint pipes are connected to an air compressor. Each of the air outlet joints is connected to a nozzle. The primary pipe cleaning device is connected to a vibrating screen. The trenchless multi-stage pipe cleaning device further includes a back-end sewage discharge device.

Abstract: A loudspeaker mounting structure includes a case, a first cover, a second cover and a limiting module. The case is recessed inwardly with a groove. The first cover and the second cover are disposed on the upper surface and the lower surface of the case. The case, the first cover and the second cover form an accommodation cavity where a loudspeaker is mounted. The limiting module is disposed in the groove and includes a stud and a limiting component rotatably connected to the stud.

Abstract: In a real-time video transmission system for a cellular-connected unmanned aerial vehicle (UAV) based on an adaptive bitrate provided by the present disclosure, an on-board computer is loaded and configured on the UAV, such that the UAV can provide multiple video streams with different bitrates for retrieval. A client with a bitrate adaptation unit is set up, allowing the system to adjust the bitrate of the video stream according to network conditions in each time interval. Intranet penetration and port mapping are implemented on the cloud server, enabling the client to obtain, from the cloud server, the real-time video stream captured by the UAV. The present disclosure allows a remote user to watch, through a cellular network, the real-time video stream captured by the UAV.

Abstract: Provided is a protein composition for repairing hair follicles for repairing hair follicles, wherein the preparation method therefor comprises the following steps: adding any one of or a combination of 20 U/mL-35 U/mL of a nuclease or an omnipotent nuclease to a cell protein extract, performing enzymatic hydrolysis at 37° C.±1° C. for 15-40 minutes, and separating and purifying the prepared enzymatic hydrolysate. The obtained cell protein extract and protein composition have the effects of repairing damaged hair follicle cells, efficiently repairing damaged hair follicles and significantly improving the activity of hair follicle, and have the advantages of a high purity, a good stability, being safe and effective, and effectively solving the problems of living cells needing to be refrigerated, and the activity thereof being limited by cell viability duration, etc.

Abstract: A multi-sensor fusion method and system for intelligent driving vehicles are provided, which relate to the technical field of intelligent driving vehicles. The method includes: establishing an extended target tracker based on a GM-PHD algorithm and a rectangular target model of a detected object; processing detection information of a millimeter-wave radar by using the extended target tracker to obtain millimeter-wave radar track information of the detected object; processing detection information of a laser radar by using the established bounding-box detector and a JPDA tracker provided with an IMM-UKF to obtain laser-radar track information of the detected object; processing the millimeter-wave radar track information and the laser-radar track information by performing time-space conversion to obtain a central fusion node; and processing the central fusion node by using an IMF algorithm to obtain global track information.

Abstract: The present disclosure provides a thin film transistor, a display substrate and a display device, and belongs to the field of display technology. The thin film transistor of the present disclosure includes: a base, and a gate, an active layer, a source and a drain located on the base, where the gate includes a first gate and a second gate which are sequentially provided on the base and are electrically connected to each other; the active layer is located between the first gate and the second gate, and orthographic projections of the first gate and the second gate on the base are partially overlapped with an orthographic projection of the active layer on the base, and the orthographic projections of the first gate and the second gate on the base are partially overlapped with each other.

Abstract: A construction method for a radiation-proof concrete hole reserved split bolt includes: 1) mounting a hole reserved sleeve; 2) mounting an inclined recoverable split bolt; 3) mounting an inclined split bolt; 4) fixing the inclined recoverable split bolt and an inclined split bolt main body; 5) pouring concrete, and dismantling related components; 6) plugging the inclined split bolt main body; and 7) plugging the hole reserved sleeve. According to the construction method, the hole reserved sleeve is obliquely arranged, the inner side of the hole reserved sleeve is sprayed with a radiation-proof coating with the functions of reducing radiation ray reflection and absorbing certain radiation rays, and in addition, after the construction of a pipeline or a line in the hole reserved sleeve is finished, the openings at both ends of the hole reserved sleeve are plugged with a radiation-proof mortar incorporated with a micro-expanding agent and a waterproof agent.

Abstract: A control method for a phase-change energy storage type cold and heat combined supply system with a multi-heat source heat pump includes the following steps of: recording the temperature of a solar panel using solar energy as a heat source at a certain moment as tt, the temperature of a water source to be taken as ts, the temperature of a geothermal source as td, the temperature of an air source as tk; calculating the heat storage efficiency ?s, ?k and ?d of the phase change material under the action of solar energy-water energy, solar energy-air source and solar energy-ground source; calculating the hourly heat storage capacity of the heat pump Qrb, comparing it with the total hourly heat consumption of the system Qtol, and if Qrb<1.45Qtol, regulating the use of various heat sources through the heat storage integrated regulation system until Qrb<1.45Qtol.