Abstract: A system and method for hierarchical database operation accelerator for scaling a single node database with a plurality of accelerator cards is provided, including: a host, receiving a query plan, generating a corresponding query operation and distributing them, receiving and processing aggregated execution results; a hierarchy accelerator module, which is connected to the host, receiving the query operation distributed and returning the aggregated execution results; the hierarchy accelerator module comprises a master accelerator card and at least one slave accelerator card, the slave accelerator card returns the execution results to the master accelerator card, by the master accelerator card completes the subsequent query operation which is aggregated and assigned by the execution results, returning the aggregated execution results to the host; the accelerator system having a multi-level storage architecture of accelerator chip on-chip cache, the accelerator card memory, the accelerator card storage, and the

Abstract: Embodiments of the present application provide a transformer and a bidirectional isolated resonant converter, where the transformer includes a first side winding, a second side winding, and a magnetic core. The magnetic core includes a winding column, at least one side column and two connecting portions. The first side winding includes: a first side first winding and a first side second winding that are electrically connected, and the second side winding is located between the first side first winding and the first side second winding. An air gap is provided on the winding column, and the air gap is provided between the second side winding and a first end surface of the winding column, and a first side equivalent leakage inductance and a second side equivalent leakage inductance are obtained through the air gap.

Abstract: Disclosed are a sublingual film dosage of Rasagiline or a pharmaceutically acceptable salt thereof, and a preparation method therefor and the use thereof. The sublingual film dosage comprises the following prescription components: 0.5%-15% of Rasagiline or a pharmaceutically acceptable salt thereof, 30%-85% of a high molecular film forming material, 5%-40% of a dextrin, 0%-30% but not 0% of other excipients. The dextrin is one or more of maltodextrin, hydroxypropyl-?-cyclodextrin, glucosyl-?-cyclodextrin and sulfobutyl-?-cyclodextrin. The percentage is the mass percentage of each component relative to the total prescription components of the sublingual film dosage, respectively.

Abstract: The present invention discloses a power supply system and a power supply method. The power supply system includes: a load region, a load disposed in the load region, at least two preceding-stage power supply regions disposed around the load region, preceding-stage power modules disposed in the at least two preceding-stage power supply regions, at least two post-stage power supply regions disposed around the load region, and post-stage power modules disposed in the at least two post-stage power supply regions. The at least two preceding-stage power supply regions and the at least two post-stage power supply regions are arranged in a staggered manner. The preceding-stage power module and the post-stage power module are cascaded to supply power to the load.

Abstract: The present disclosure provides a transformer module and a power module, wherein the transformer module comprises: a magnetic core, where a first insulating layer and a second wiring layer are sequentially disposed on the magnetic core from inside to outside; a first metal winding, wound around the magnetic core in a foil structure, and comprising a first winding segment formed in the first wiring layer and a second winding segment formed in the second wiring layer; and a second metal winding, wound around the magnetic core in a foil structure, comprising a third winding segment formed in the first wiring layer and a fourth winding segment formed in the second wiring.

Abstract: A method of generating a cellular model of Alzheimer's disease (AD) comprises integrating AD related gene to hiPSC to induce increased beta secretase and/or Abeta 42 peptides, and the cellular model of Alzheimer's disease (AD) is prepared by the method.

Abstract: Provided herein multifunctional compounds that bind and modify nucleic acids, forming crosslinks between the nucleic acid strands. In particular embodiments, the multifunctional nucleic-acid binding/modifying compounds are selective for nucleic acids of non-viable cells and viruses (i.e., they are excluded from or degraded within viable cells and viruses), and therefore find use in methods for detecting or discriminating viable and non-viable cells/viruses and nucleic acids therefrom.

Abstract: An electronic device includes: a system board; a load, located on the first side of the system board and including a power supply region, the power supply region includes load pins arranged in a plurality of rows and in a plurality of columns; and at least one column of output capacitors, located on the second side of the system board along a third direction; at least one row of the load pins is a first arrangement row, the first arrangement row includes a plurality of load pin groups arranged sequentially along the second direction, each of the load pin groups includes at least two load pins of a same polarity; and two ends of a vertical projection of each column of the output capacitors on the power supply region are located at two sides of a centerline, in the third direction, of at least one first position pin.

Abstract: This application discloses an alarm processing method and apparatus, a device, and a readable storage medium. An example method includes generating an alarm attribute graph based on alarm records in a target network and topology data of the target network. The alarm attribute graph includes identifiers of a plurality of devices, a communication connection relationship between the plurality of devices, type information of the plurality of devices, and alarm attribute information of the plurality of devices. The alarm attribute information of each device includes a name of an alarm occurring in the device and a time point at which each alarm occurs in the device.

Abstract: A transformer includes an insulation member, a high voltage part, and a low voltage part, the insulation member includes a first insulator, a second insulator, and a reference plane, the high voltage part is disposed on a first side of the reference plane, the low voltage part is disposed on a second side of the reference plane, the first insulator is disposed on the reference plane, at least a portion of the second insulator is located around the high voltage part, at least one air passage is formed by the insulation member, and at least a portion of the air passage is located within a height of the high voltage part in a normal direction of the reference plane.

Abstract: The grating substrate includes a first base substrate and a plurality of grating units on the first base substrate. The grating unit includes two control layers, a barrier structure between the two control layers, and a plurality of movable particles in a closed cavity surrounded by the barrier structure and the two control layers. The two control layers include a first control layer and a second control layer. The first control layer is located on a side of the second control layer distal from the first base substrate, and the two control layers are configured to control movement of the plurality of particles. The particles satisfy at least one of the following conditions: the particles have a refractive index smaller than a refractive index of the first control layer, or the particles are non-transparent particles.

Abstract: The present disclosure relates to systems, methods, and devices for music simulation. The methods may include determining one or more simulation actions based on data associated with one or more simulation actions acquired by at least one sensor. The methods may further include determining, based on at least one of the one or more simulation actions and a mapping relationship between simulation actions and corresponding musical instruments, a simulation musical instrument that matches with the one or more simulation actions. The methods may further include determining, based on the one or more simulation actions, one or more first features associated with the simulation musical instrument. The methods may further include playing music based on the one or more first features.

Abstract: A detection method and apparatus. The privacy detection method includes: performing static stain analysis on an application to be tested to obtain at least one static stain propagation path, each static stain propagation path including a source interface identifier and a destination interface identifier; performing static analysis on the application to obtain the static analysis result; performing dynamic behavior analysis on the application to obtain the dynamic behavior analysis result; obtaining communication flow data throughout the life cycle of the application; taking sensitive information and the category of sensitive information corresponding to the communication URL as the flow analysis result; and fusing the static analysis result, the dynamic behavior analysis result, and the flow analysis result to obtain the detection result.

Abstract: Provided are a coupled inductor and a power module including the coupled inductor. A coupled inductor includes: a magnetic core, a first winding and a second winding, where a first passage is formed in the magnetic core; a part of the first winding and a part of the second winding pass through the first passage, and the first winding crosses with the second winding outside the first passage. Another coupled inductor includes: a magnetic core, a first winding and a second winding, where the magnetic core has a first passage and a second passage in parallel, both run through the magnetic core from one end face thereof to another opposite end face, where the first winding and the second winding both penetrate the first passage and the second passage, such that differently-named terminals of the windings are located on the same end face of the magnetic core.

Abstract: A floating-island type artificial wetland treatment system based on a lake center platform is provided. The system includes a lake center platform, a water inflow sub-system including water inflow filled columns, a water drainage sub-system including water drainage filled columns, a water collection and distribution sub-system including water collection tanks, and a platform wetland sub-system; the water drainage filled column is located in a center of a bottom of the lake center platform; the plurality of water inflow filled columns are uniformly distributed at edges of the bottom of the lake center platform with the water drainage filled column as a center; the platform wetland sub-system is located in a center region of an upper surface of the lake center platform; and the plurality of water collection tanks are uniformly distributed at edges of the upper surface of the lake center platform with the platform wetland sub-system as a center.

Abstract: An optical waveguide structure and a manufacturing method, an optical waveguide module, an optical switching device, and an optical waveguide system are provided, and belong to the field of optical communication. The optical waveguide structure includes: at least two optical waveguides disposed in a stacked manner, where a first optical waveguide channel is disposed between two optical waveguides located at different layers in the at least two optical waveguides, and two ends of the first optical waveguide channel are physically connected to the two optical waveguides.

Abstract: A switching module includes at least one substrate, at least one switching element, at least one control loop, a first power part and a second power part. The at least one switching element is disposed on the at least one substrate. The at least one control loop is connected with the corresponding switching element. The first power part is connected with the corresponding switching element. The second power part is connected with the corresponding switching element. A direction of a first current flowing through the first power part and a direction of a second current flowing through the second power part are identical. A projection of the first power part on a reference plane and a projection of the second power part on the reference plane are located at two opposite sides of a projection of the control loop on the reference plane.

Abstract: A power converter device includes a first current level, a second current level, a first magnetic layer and a second magnetic layer. The first current level and the second current level are used to load a current loop which has AC current component. The current loop includes a power element module and a conductor coupled to the power element module. The power element module includes at least two electrodes. Voltage among the at least two electrodes is AC voltage. AC current magnitudes of the at least two electrodes are substantially equal and in the opposite direction. The first magnetic layer and the second magnetic layer are used to load a magnetic loop which includes AC magnetic flux component. The first magnetic layer and the second magnetic layer are disposed along two opposite sides of the first current level.