Abstract: Provided is a method for preparing a negative electrode sheet of nickel-metal hydride battery. The method includes steps of: obtaining a substrate roll; unwinding the substrate roll to unroll the substrate roll to form a substrate assembly (100), the substrate assembly (100) having a first-ring exposed segment (110), a middle-ring covered segment (120) and a tail-ring exposed segment (130) which are sequentially connected; and performing a slurry pulling treatment on the substrate assembly (100) to form a first active layer (210) and a second active layer (220) that are formed together on two opposite side faces of the substrate assembly (100), the first active layer (210) being attached to the first-ring exposed segment (110) and the middle-ring covered segment (120), and the second active layer (220) being attached to the middle-ring covered segment (120) and the tail-ring exposed segment (130).

Abstract: Provided is a method for preparing a negative electrode sheet of nickel-metal hydride battery. The method includes steps of: obtaining a substrate roll; unwinding the substrate roll to unroll the substrate roll to form a substrate assembly (100), the substrate assembly (100) having a first-ring exposed segment (110), a middle-ring covered segment (120) and a tail-ring exposed segment (130) which are sequentially connected; and performing a slurry pulling treatment on the substrate assembly (100) to form a first active layer (210) and a second active layer (220) that are formed together on two opposite side faces of the substrate assembly (100), the first active layer (210) being attached to the first-ring exposed segment (110) and the middle-ring covered segment (120), and the second active layer (220) being attached to the middle-ring covered segment (120) and the tail-ring exposed segment (130).

Abstract: Embodiments of the present application provide a MEMS solenoid transformer, comprising a silicon substrate, a soft magnetic core, a first solenoid and a second solenoid; wherein, the soft magnetic core is wrapped inside the silicon substrate, the silicon substrate is provided with a first spiral channel and a second spiral channel, and two opposite sides of the soft magnetic core respectively pass through a center of the first spiral channel and a center of the second spiral channel; the first solenoid and the second solenoid are respectively disposed in the first spiral channel and the second spiral channel. By disposing the soft magnetic core, the first solenoid and the second solenoid of the transformer inside the silicon substrate completely, the thickness of the silicon substrate is fully utilized, and the obtained transformer has a larger winding cross-sectional area and a higher magnetic flux, increasing the inductance value of the transformer.

Abstract: Provided are a wind turbine, and a control method, a controller and a control system for the same. The control method includes: monitoring wind resource data at the location of a wind turbine and operation data of the wind turbine; identifying a complicated wind condition based on the wind resource data and the operation data; determining an accumulative proportion of time periods in which the complicated wind condition occurs within a first predetermined time period; and controlling the wind turbine to perform a protection operation, in response to the accumulative proportion of the time periods exceeding a first preset threshold.

Abstract: The present disclosure provides a noise reduction device. The noise reduction device may include a noise receiving component, a noise reduction component, a processing component, and a housing. The noise receiving component may be configured to receive acoustic noise information of a scanning environment where a medical device is located. The processing component may be configured to control the noise reduction component to generate sound information matching the acoustic noise information received by the noise receiving component. The housing may be configured to support the noise receiving component and the noise reduction component.

Abstract: An Android-based system for touch input handling is provided. The system includes an interactive hardware and an application processor. The interactive hardware includes a display panel and a touch panel that runs a touch firmware. The application processor is coupled to the interactive hardware, and runs an application program and a touch driver. The application processor further converts a hardware synchronization signal of the display panel into a software synchronization signal, and generates an application synchronization signal based on the software synchronization signal. Additionally, the application processor further generates an input synchronization signal that is synchronized with the application synchronization signal. The expiration of the input synchronization signal triggers the touch firmware to collect the touch event and propagate the touch event up to the application program through the touch driver.

Abstract: A computer-implemented method is provided for generating device parameters of circuits using a pretrained reinforcement learning (RL) agent composed of a graph neural network (GNN) and a fully connected neural network (FCNN). The method is performed by steps including acquiring inputs with respect to a set of desired specifications or one desired specification of a circuit, device parameters, a fixed topology of the circuit and providing the inputs to the RL agent. The desired circuit description includes a graph modeling the topology of the circuit and device parameters of the circuit, and the desired specifications include gain, bandwidth, phase margin, power consumption, output power and power efficiency.

Abstract: An integrated circuit is disclosed. The integrated circuit includes a first resonator, a second resonator, and a coupling element. The first resonator has a first terminal and a second terminal, where the first resonator comprises a gain resistor, a gain capacitor, and a gain inductor in parallel and electrically coupling the first terminal with the second terminal. The second resonator has a third terminal and a fourth terminal, where the second resonator includes a loss resistor, a loss capacitor, and a loss inductor in parallel and electrically coupling the third terminal with the fourth terminal. The coupling element selectively couples the first terminal of the first resonator with the third terminal of the second resonator.

Abstract: A self-priming starting device for a centrifugal pump is mounted on a water inlet pipe of the centrifugal pump and includes an outer housing, an inner housing, a primary spacer, a secondary spacer, an opening and closing disc and a tertiary spacer which are sequentially provided in the outer housing from top to bottom, and an elastic steel plate provided in the water inlet pipe. A drum is provided in the inner housing, and air inlet pipes and air discharging pipes are provided on the inner housing. The drum is provided with drum chambers and a three-blade support is provided in the drum. The opening and closing disc is provided with a vertical rod. A gas-liquid cutter is provided between the primary spacer and the secondary spacer. The primary spacer, the secondary spacer, the opening and closing disc and the tertiary spacer are provided with through-holes.

Abstract: The present invention relates to a method for concentrating a biological sample containing nucleic acids by using magnetic chitosan microparticles and subsequently performing a PCR reaction on the nucleic acids captured on the microparticles. The chitosan microparticles added to the biological sample at a PCR compatible pH are mechanically agitated to provide for cell lysis and simultaneous DNA capture, and then serve as a solid support for the nucleic acid template during the PCR reaction. As the chitosan microparticles are utilized for lysis and the nucleic acids do not need to be removed from the microparticles before PCR, the ease of the sample preparation procedure is dramatically improved.

Abstract: A self-priming starting device for a centrifugal pump is mounted on a water inlet pipe of the centrifugal pump and includes an outer housing, an inner housing, a primary spacer, a secondary spacer, an opening and closing disc and a tertiary spacer which are sequentially provided in the outer housing from top to bottom, and an elastic steel plate provided in the water inlet pipe. A drum is provided in the inner housing, and air inlet pipes and air discharging pipes are provided on the inner housing. The drum is provided with drum chambers and a three-blade support is provided in the drum. The opening and closing disc is provided with a vertical rod. A gas-liquid cutter is provided between the primary spacer and the secondary spacer. The primary spacer, the secondary spacer, the opening and closing disc and the tertiary spacer are provided with through-holes.

Abstract: The present invention relates to a method for concentrating a biological sample containing nucleic acids by using magnetic chitosan microparticles and subsequently performing a PCR reaction on the nucleic acids captured on the microparticles. The chitosan microparticles added to the biological sample at a PCR compatible pH are mechanically agitated to provide for cell lysis and simultaneous DNA capture, and then serve as a solid support for the nucleic acid template during the PCR reaction. As the chitosan microparticles are utilized for lysis and the nucleic acids do not need to be removed from the microparticles before PCR, the ease of the sample preparation procedure is dramatically improved.

Abstract: A photonic thermocycling device is configured to thermocycle a biological sample. The thermocycling device comprises a light source configured to emit an illumination beam, a reaction block holding a reaction chamber, and a light-absorbing film is coupled to the reaction block and configured to absorb and convert the illumination beam into thermal energy to heat the reaction chamber. A controller generates instructions for operation of the thermocycling device. The thermocycling device may further comprise a temperature sensor to measure the temperature of the reaction chamber for calibration of the instructions. A convection cooling element may also be implemented to provide rapid cooling of the reaction chamber. A lens assembly may be implemented for directing and conditioning light generated by the light source towards the light-absorbing film. A second partial light-absorbing film may be included and coupled on an opposite side of the first light-absorbing film, to improve heating uniformity.

Abstract: The structure has a subgrade or slope to be monitored and strip-shaped smart geosynthetic material compound devices. The strip-shaped smart geosynthetic material compound devices are buried to run through a subgrade or slope predicted slip crack surface. Gaps between the strip-shaped smart geosynthetic material compound devices and borehole inner walls are filled so that the force environment of the strip-shaped smart geosynthetic material compound devices is close to the subgrade or slope internal environment. Each strip-shaped smart geosynthetic material compound device has a strip-shaped geogrid, lead, and heat shrinkable tube. The lead is arranged in a length direction of the geogrid, and the lead and geogrid are fixedly connected at an interval of a set distance, with each fixed point forming a measuring point. The geogrid is wrapped in the heat shrinkable tube, and a free end of the lead is drawn out of the heat shrinkable tube.

Abstract: The present invention relates to systems and methods for the real time processing of nucleic acid during polymerase chain reaction (PCR) and thermal melt applications. According to an aspect of the invention, a system for the rapid serial processing of multiple nucleic acid assays is provided. In one embodiment, the system includes, but is not limited to: a microfluidic cartridge having microfluidic (flow-through) channels, a fluorescence imaging system, a temperature measurement and control system; a pressure measurement and control system for applying variable pneumatic pressures to the microfluidic cartridge; a storage device for holding multiple reagents (e.g., a well-plate); a liquid handling system comprising at least one robotic pipettor for aspirating, mixing, and dispensing reagent mixtures to the microfluidic cartridge; systems for data storage, processing, and output; and a system controller to coordinate the various devices and functions.

Abstract: The structure has a subgrade or slope to be monitored and strip-shaped smart geosynthetic material compound devices. The strip-shaped smart geosynthetic material compound devices are buried to run through a subgrade or slope predicted slip crack surface. Gaps between the strip-shaped smart geosynthetic material compound devices and borehole inner walls are filled so that the force environment of the strip-shaped smart geosynthetic material compound devices is close to the subgrade or slope internal environment. Each strip-shaped smart geosynthetic material compound device has a strip-shaped geogrid, lead, and heat shrinkable tube. The lead is arranged in a length direction of the geogrid, and the lead and geogrid are fixedly connected at an interval of a set distance, with each fixed point forming a measuring point. The geogrid is wrapped in the heat shrinkable tube, and a free end of the lead is drawn out of the heat shrinkable tube.

Abstract: The present invention relates to methods and systems for temperature correction in thermal melt analysis. More specifically, embodiments of the invention relate to the correction of the melting temperature (Tm) observed for a sample nucleic acid due to the effect of the nucleic acid concentration.

Abstract: The present invention relates to methods and systems for microfluidic DNA sample preparation. More specifically, embodiments of the present invention relate to methods and systems for the isolation of DNA from patient samples on a microfluidic device and use of the DNA for downstream processing, such as performing amplification reactions and thermal melt analysis on the microfluidic device.

Abstract: The present invention relates to a method for concentrating a biological sample containing nucleic acids by using magnetic chitosan microparticles and subsequently performing a PCR reaction on the nucleic acids captured on the microparticles. The chitosan microparticles added to the biological sample at a PCR compatible pH are mechanically agitated to provide for cell lysis and simultaneous DNA capture, and then serve as a solid support for the nucleic acid template during the PCR reaction. As the chitosan microparticles are utilized for lysis and the nucleic acids do not need to be removed from the microparticles before PCR, the ease of the sample preparation procedure is dramatically improved.