Abstract: The present disclosure provides a pump body assembly, a heat exchange apparatus, a fluid machine and an operating method thereof. The pump body assembly includes a piston, a shaft, a piston sheath, and a cylinder. The shaft drives the piston to rotate and reciprocate within the piston sheath while rotating. The piston sheath is located in the cylinder, and a compression chamber is defined between an outer circumferential wall of the piston and an inner wall of the cylinder. A pressure relief recess is defined in the outer circumferential wall of the piston or the inner wall of the cylinder at a position corresponding to the compression chamber.

Abstract: In accordance with an embodiment, described herein is a system and method for providing cross-microservice query processing. The system provides an object service framework that supports the use of microservices that may be loosely-coupled but related in some way, for example in that they interoperate together or require access to each other's data in order to process queries. Each microservice can be developed, deployed and evolve independently, and interact with the other microservices through contracts or interfaces that are defined as public APIs and are then exposed via the framework. The object service framework can be used, for example to provide a cross-microservice layer that automatically transforms queries that join objects in different microservices into a single database query that is optimized for use with the database.

Abstract: A method for constructing a large-span station by two-wing open type semi-covered excavation and semi-reverse construction, is divided into three stages of excavation. First, excavate a first-stage inner small foundation pit, then excavate a second-stage annular foundation pit within the first-stage retaining piles and outside the range of the first-stage inner small foundation pit, and finally excavate a third-stage semi-covered excavation foundation pit below the first-stage inner small foundation pit and the second-stage annular foundation pit. By setting graded retaining piles, middle upright post piles, middle top plates, local waist beams and local concrete supports in the soil-rock combination strata, so that the force transfer between the foundation pit enclosure and the station main body structures and the underlying rock layer is clear and reliable, and a stable frame structure is achieved.

Abstract: The invention relates to the field of aluminum wheel casting molds, and more particularly relates to a closed-loop control method and system for a mold temperature in a wheel casting process. The control method includes: step 1, acquiring data, that is, acquiring a plurality of mold position temperatures, and cooling pipeline opening and closing signals in a target wheel casting process according to a fixed frequency; step 2, storing, based on acquired mold opening and closing signals of casting equipment, the acquired data in a database in the form of a unique ID according to a single wheel casting process; step 3, calculating new process parameters based on the acquired plurality of position temperatures and time; and step 4, integrating the calculated process parameters, and issuing the process parameters to a PLC of a casting equipment to perform new casting.

Abstract: A surface-modified composite zinc-based negative electrode, a preparation method thereof, and a battery are provided. The composite zinc-based negative electrode includes a zinc matrix material, a nano inorganic metal/alloy modified layer, and an organic polymer protective layer. The nano inorganic metal/alloy modified layer can increase hydrogen evolution overpotential of the composite zinc-based negative electrode, inhibit the generation of hydrogen on the negative electrode surface and occurrence of side reactions. The organic polymer protective layer can enhance the zinc ion concentration and deposition uniformity at the electrode interface, and improve the dendrite problem caused by uneven zinc deposition-dissolution during the charging and discharging process. The application of the modified composite zinc-based negative electrode in aqueous zinc-based batteries can improve their cycling stability under high current and high utilization conditions and show good rate performance and cycling life.

Abstract: A method for constructing a large-span station by two-wing open type semi-covered excavation and semi-reverse construction, is divided into three stages of excavation. First, excavate a first-stage inner small foundation pit, then excavate a second-stage annular foundation pit within the first-stage retaining piles and outside the range of the first-stage inner small foundation pit, and finally excavate a third-stage semi-covered excavation foundation pit below the first-stage inner small foundation pit and the second-stage annular foundation pit. By setting graded retaining piles, middle upright post piles, middle top plates, local waist beams and local concrete supports in the soil-rock combination strata, so that the force transfer between the foundation pit enclosure and the station main body structures and the underlying rock layer is clear and reliable, and a stable frame structure is achieved.

Abstract: The present disclosure discloses a camera exposure processing method and system. The method includes: obtaining trigger signals, the trigger signals being used to trigger the camera to collect image data and trigger the light source to turn on and off in turn in a fixed sequence; triggering cyclically n light sources to turn on in turn; triggering multiple sensor lines of the camera to perform image acquisition on the object simultaneously; extracting the image data of the exposed object under the turned-on light source collected by the multiple sensor lines to obtain effective data of the object, wherein a sequential lighting order is that after a former light source is cyclically turned on y times, a latter light source is cyclically turned on y times; and splicing all image data of the same position of the object to obtain a spliced image of the object under different light sources.

Abstract: In accordance with an embodiment, described herein is a system and method for providing cross-microservice query processing. The system provides an object service framework that supports the use of microservices that may be loosely-coupled but related in some way, for example in that they interoperate together or require access to each other's data in order to process queries. Each microservice can be developed, deployed and evolve independently, and interact with the other microservices through contracts or interfaces that are defined as public APIs and are then exposed via the framework. The object service framework can be used, for example to provide a cross-microservice layer that automatically transforms queries that join objects in different microservices into a single database query that is optimized for use with the database.

Abstract: A power saw for pruning high grown trees is disclosed. The power saw is configured to couple to an extension pole that allows the power saw to reach high hanging targets. The power saw includes a housing having a wireless receiver and a motor subassembly contained therein. A housing battery is electrically coupled to the wireless receiver. A front handle is coupled to the housing. The front handle comprises a faceplate and a pole aperture disposed at a terminal end. A blade is configured to extend through a blade slot of the faceplate wherein the blade is coupled to the motor subassembly. An extension pole is configured to couple to the pole aperture of the front handle. The blade is configured to move upon actuation of a wireless remote control. The wireless remote control includes a wireless transmitter and is configured to allow both hands of a user to handle the extension pole while in operation.

Abstract: In accordance with an embodiment, described herein is a system and method for providing cross-microservice query processing. The system provides an object service framework that supports the use of microservices that may be loosely-coupled but related in some way, for example in that they interoperate together or require access to each other's data in order to process queries. Each microservice can be developed, deployed and evolve independently, and interact with the other microservices through contracts or interfaces that are defined as public APIs and are then exposed via the framework. The object service framework can be used, for example to provide a cross-microservice layer that automatically transforms queries that join objects in different microservices into a single database query that is optimized for use with the database.

Abstract: Provided are a camera multi-line time-division exposure processing method and a system. N sensor lines correspond to the n light sources in a one-to-one correspondence. The sensor lines is configured to respectively collect image data of an object moving through the camera's field of view along one direction under the corresponding light sources. The method includes: obtaining a trigger signal to trigger at one time the n light sources to turn on and off sequentially, collecting image data of the object exposed under a turned-on light source, and extracting image data of the object obtained by one sensor line corresponding to the turned-on light source as valid data; splicing all the valid data of the same portion of the object to obtain a spliced image under different light sources; and cyclically outputting the spliced image to obtain a complete image of the object.

Abstract: The present disclosure discloses a camera exposure processing method and system. The method includes: obtaining trigger signals, the trigger signals being used to trigger the camera to collect image data and trigger the light source to turn on and off in turn in a fixed sequence; triggering cyclically n light sources to turn on in turn; triggering multiple sensor lines of the camera to perform image acquisition on the object simultaneously; extracting the image data of the exposed object under the turned-on light source collected by the multiple sensor lines to obtain effective data of the object, wherein a sequential lighting order is that after a former light source is cyclically turned on y times, a latter light source is cyclically turned on y times; and splicing all image data of the same position of the object to obtain a spliced image of the object under different light sources.

Abstract: A method includes obtaining a first waveform representing an output characteristic with respect to time of a switched-mode power supply. The method further includes removing a high frequency component from the first waveform to generate a modified waveform and determining a stable value of the modified waveform. The method further includes determining an operating parameter of the switched-mode power supply based on the modified waveform, the stable value, or a combination thereof. The one or parameter includes an overshoot value associated with the switched-mode power supply, an undershoot value associated with the switched-mode power supply, or a settling time associated with the switched-mode power supply. The method further includes outputting an indication of the parameter.

Abstract: Embodiments of this application disclose a measurement method and a measurement apparatus, to perform RMTC measurement and DMTC measurement on an inter-frequency frequency. The method in the embodiments of this application includes: determining an idle component carrier; determining a RMTC measurement periodicity and a DMTC measurement periodicity of a first inter-frequency frequency for LAA; when the RMTC measurement periodicity and the DMTC measurement periodicity of the first inter-frequency frequency have a same time point, separately performing RMTC measurement on the first inter-frequency frequency by using the idle component carrier to obtain a first measurement result, and performing DMTC measurement on the first inter-frequency frequency to obtain a second measurement result; and sending the first measurement result and the second measurement result to a network device, where the first measurement result and the second measurement result are used to indicate the network device to schedule a resource.

Abstract: A method includes receiving a circuit design including a plurality of components associated with a plurality of component parameters. The method further includes adjusting a value of a particular component parameter of the plurality of component parameters based on a tolerance to generate a modified plurality of component parameters. The method further includes determining, based on inputting the modified plurality of component parameters into a circuit calculator, that an operating value of the circuit design is sensitive to the particular component parameter. The method further includes selecting a simulation of the circuit design to perform based on the particular component parameter. The method further includes performing the simulation to determine whether the circuit design supports one or more design limits.

Abstract: A method includes receiving a circuit design including a plurality of components associated with a plurality of component parameters. The method further includes adjusting a value of a particular component parameter of the plurality of component parameters based on a tolerance to generate a modified plurality of component parameters. The method further includes determining, based on inputting the modified plurality of component parameters into a circuit calculator, that an operating value of the circuit design is sensitive to the particular component parameter. The method further includes selecting a simulation of the circuit design to perform based on the particular component parameter. The method further includes performing the simulation to determine whether the circuit design supports one or more design limits.

Abstract: A management method and apparatus for supporting multiple SIM cards to share an RF processor. The method includes: after receiving a resource request sent by a first baseband communications processor, determining whether the RF processor is authorized be used by a second baseband communications processor in at least a part of a time period required for using the RF processor by the first baseband communications processor; if yes, comparing whether a priority of a type of a first communications service that needs to be performed by the first baseband communications processor is higher than a priority of a type of a second communications service performed by the second baseband communications processor; and if yes, sending an authorization message to the first baseband communications processor and instructing the second baseband communications processor to stop performing the second communications service.

Abstract: A method includes obtaining a first waveform representing an output characteristic with respect to time of a switched-mode power supply. The method further includes removing a high frequency component from the first waveform to generate a modified waveform and determining a stable value of the modified waveform. The method further includes determining an operating parameter of the switched-mode power supply based on the modified waveform, the stable value, or a combination thereof. The one or parameter includes an overshoot value associated with the switched-mode power supply, an undershoot value associated with the switched-mode power supply, or a settling time associated with the switched-mode power supply. The method further includes outputting an indication of the parameter.

Abstract: A method includes obtaining a first waveform representing an output characteristic with respect to time of a switched-mode power supply. The method further includes removing a high frequency component from the first waveform to generate a modified waveform and determining a stable value of the modified waveform. The method further includes determining an operating parameter of the switched-mode power supply based on the modified waveform, the stable value, or a combination thereof. The one or parameter includes an overshoot value associated with the switched-mode power supply, an undershoot value associated with the switched-mode power supply, or a settling time associated with the switched-mode power supply. The method further includes outputting an indication of the parameter.