Abstract: A screening method for an amino acid sequence of a protein nanopore, a protein nanopore, and applications thereof. The screening method includes: evaluating a characteristic sequence of a dual-pore structure, using a model to search for an amino acid sequence matched with the characteristic feature of the dual-pore structure, removing a redundant candidate sequence and then performing positioning and screening, calculating the matching length and envelope length of the candidate sequence, then performing registration to obtain a relative mismatching relationship with a known protein nanopore, and performing analysis to obtain a final sequence.

Abstract: The present invention discloses an ESD protection circuit comprising resistor vias. It comprises a plurality of ESD devices connected in parallel, with each ESD device comprising a resistor and a two-terminal switch (e.g. an OTS component) connected in series. The resistor is formed in a resistor via disposed vertically with the two-terminal switch and filled with at least a conductive material with high resistivity.

Abstract: Provided are a SiC/ZrC composite fiber, a preparation method and use thereof. The SiC/ZrC composite fiber has a diameter of 10 to 70 ?m. The method includes mixing liquid polycarbosilane with a zirconium-containing polymer to obtain a hybrid spinning solution, and then performing electrospinning to obtain a SiC/ZrC composite fiber precursor, crosslinking and thermally treating the SiC/ZrC composite fiber precursor in a protective atmosphere to obtain the SiC/ZrC composite fiber. The SiC/ZrC composite fiber is continuous and uniform, has an adjustable diameter, and thus has outstanding tensile strength and breaking strength and excellent high-temperature resistance. Without use of any organic solvent or spinning agent, the method achieves short process flow and high yield, indicating wide application prospects.

Abstract: A P-type gate HEMT device includes a substrate, a buffer layer, a channel layer, and a barrier layer sequentially arranged from bottom to top. A first P-type material layer is arranged on the barrier layer. A first source and a first drain are respectively arranged on two sides of the first P-type material layer. A first conductive layer is arranged on the first P-type material layer. A second P-type material layer is connected to the first P-type material layer. A second conductive layer is connected to the second P-type material layer. A third conductive layer is connected to the second P-type material layer. The first P-type material layer, the first source, the first drain, and the first conductive layer form a normally-off N-channel transistor. The second P-type material layer, the second conductive layer, and the third conductive layer form a normally-on P-channel transistor.

Abstract: The present invention discloses parallel, series and hybrid ESD protection circuits. A preferred parallel ESD protection circuit comprises a plurality of ESD devices connected in parallel, with each comprising a resistor and an OTS component connected in series. A preferred series ESD protection circuit comprises a plurality of ESD devices connected in series, wherein the OTS components in all ESD devices are disposed on a same level. A preferred hybrid ESD protections circuit comprises ESD devices connected in parallel, as well as in series.

Abstract: A surface wave prospecting method for jointly extracting Rayleigh wave frequency dispersion characteristics in a seismoelectric field. A surface wave prospecting method includes following steps of: acquiring jointly acquired data, where the jointly acquired data includes seismic wave data and electric field data; carrying out jointly imaging processing on jointly acquired data to obtain a superposed frequency dispersion spectrum; carrying out extraction processing on superposed frequency dispersion spectrum to obtain a frequency dispersion curve, outperforming inversion processing on frequency dispersion curve to obtain a stratum structure profile. As seismic wave data and electric field data are adopted to carry out combined imaging processing to obtain superposed frequency dispersion spectrum, multi-mode frequency dispersion curve is extracted, multiplicity of solutions of inversion is greatly reduced during inversion, precision and stability of surface wave prospecting are greatly improved.

Abstract: An optimization method, apparatus, computer device and storage medium for engine model. The method includes: setting an initial population according to a predetermined number of solutions; obtaining a first output set of the initial population on the engine model; determining a first fitness value; operating selection, crossover, and mutation on the initial population according to the first fitness value to obtain an evolved population, and the initial population and the evolved population constitute a to-be-selected population; obtaining a second output set of the evolved population on the engine model; determining a second fitness value; selecting engine model parameters in the to-be-selected population to form a new population according to the second fitness value; and optimizing the engine model by using the engine model parameters in the new population if a termination condition is met.

Abstract: The present application provides a composite solid state electrolyte slurry, a film, a preparation method, and an all solid state battery. The method includes: adding a polymer into a non-polar solvent and mixing the polymer and the non-polar solvent to obtain a sol; adding a solid state electrolyte powder and a lithium salt solution into the sol and mixing the solid state electrolyte powder, the lithium salt solution and the sol to obtain a composite solid state electrolyte slurry; the non-polar solvent is an organic solvent that does not react with the solid state electrolyte powder; the high shear force of the sol is used to disperse the solid state electrolyte powder and lithium salt solution, thereby the solid state electrolyte powder and the lithium salt solution are uniformly dispersed in the sol.

Abstract: A method, apparatus, computer device, and storage medium for automatic design of analog circuits based on tree structure. The method includes: setting the maximum height and growth direction of the tree structure; randomly calling the node from the function node library as the parent node; randomly calling the node from the function node library and the port node library as the child according to the growth direction node; if the child node is a terminal node, generating a tree structure; checking the tree structure, if the tree structure satisfies the preset conditions, obtaining the circuit topology and device parameter that conform to the circuit rules; evolving the circuit topology and device parameter to generate an analog circuit. The embodiments achieve the effect of making the tree structure of the designed analog circuit more reasonable.

Abstract: A method of logistics management based on QR code, the method includes: acquiring a video stream of a logistics box taken by a camera of a logistics box passing through an identification area, the logistics box having a corresponding QR code affixed to its surface; performing target detection on the video stream based on a predetermined neural network model to obtain a QR code image and a logistics box image, respectively; identifying the QR code image to generate QR code information; detecting and tracking the logistics box images in sequence to generate logistics box information; matching the QR code information and logistics box information, generating matching information, and updating logistics inventory information based on the matching information.

Abstract: The present application provides a solid state electrolyte, a preparation method thereof, and an all solid state battery. Multi-element co-doping of lithium-rich, sodium-rich, potassium-rich anti-perovskite electrolytes on lithium sites or sodium sites or potassium sites, oxygen sites and halogen sites effectively improves the ionic conductivity of the anti-perovskite solid state electrolyte.

Abstract: The invention provide an assessment method and device for infectious disease transmission, computer equipment and storage medium. The method comprises: obtaining respective target track data corresponding to assessment objects within a preset area in a first time slice; determining a matching subarea to which each assessment object matches in the first time slice based on the target track data; taking at least one of the plurality of subareas as a target subarea, and assessing an assessment object within the target subarea based on an infectious disease model to determine a transmission trend of an infectious disease for the assessment object within the preset area in the first time slice; and taking a next time slice as the first time slice, and re-performing the above steps until end of the target time period to determine a transmission trend of the infectious disease among the assessment objects during the target time period.

Abstract: Provided are a bilateral limb coordination training system and a bilateral limb coordination training control method. The bilateral limb coordination training control method includes: detecting, by a force sensor, force information of a three degree-of-freedom bilateral motion mechanism and sending the force information to a main controller; determining, by the main controller, target motion information of the three degree-of-freedom bilateral motion mechanism of a robot according to the force information; and controlling, by the main controller, the three degree-of-freedom bilateral motion mechanism to perform a corresponding motion based on the target motion information and sending training data and running status information generated during training to an upper computer; where a training instruction includes a bilateral non-association motion training instruction, a bilateral flexible-association motion training instruction or a bilateral rigid-association motion training instruction.

Abstract: A method for making a three-dimensional (3-D) module includes the steps of: A) forming a laminate of alternate ceramic tape layers and internal electrode layers on a substrate; B) etching said laminate to form first and second capacitor stacks at said first and second locations; C) firing said first and second capacitor stacks integrally; D) forming first and second pairs of external electrodes on said first and second capacitor stacks, respectively.

Abstract: The invention disclose a blockchain-based mining method, mining device, computer equipment and storage medium. The method comprises: acquiring block header information of a to-be-generated block published by a mining pool; generating a random term based on a public key of the mining pool, a public key of the miner, POW of the miner and physical interaction information broadcast by other miners in the mining pool; calculating a to-be-verified hash value based on the block header information and the random term; if the to-be-verified hash value satisfies block generation condition, transmitting the to-be-verified hash value to the mining pool, so the mining pool generates the to-be-generated block after the to-be-verified hash value passes verification. In this invention, utilizing physical interaction information among miners to generate the random terms, so the original random terms which need to be generated at high-speed randomly are replaced, avoiding wasting computing power and electric power.

Abstract: An atmospheric pollution emission control effect evaluation method, device and storage medium, including: carrying out meteorological condition frequency statistics of data collected from meteorological station, obtaining meteorological condition frequency distribution information; obtaining pollutant concentration information, performing pollutant concentration distribution statistics to obtain pollution concentration distribution information and pollution concentration variation information; decomposing effects of meteorological factors and non-meteorological factors according to meteorological condition frequency distribution information, pollution concentration distribution information and pollution concentration variation information, to obtain meteorological and non-meteorological contribution information; constructing source emission control effect evaluation data set according to meteorological condition frequency distribution information, pollution concentration distribution information, meteorologic

Abstract: Provided are a bilateral limb coordination training system and a bilateral limb coordination training control method. The bilateral limb coordination training control method includes: detecting, by a force sensor, force information of a three degree-of-freedom bilateral motion mechanism and sending the force information to a main controller; determining, by the main controller, target motion information of the three degree-of-freedom bilateral motion mechanism of a robot according to the force information; and controlling, by the main controller, the three degree-of-freedom bilateral motion mechanism to perform a corresponding motion based on the target motion information and sending training data and running status information generated during training to an upper computer; where a training instruction includes a bilateral non-association motion training instruction, a bilateral flexible-association motion training instruction or a bilateral rigid-association motion training instruction.

Abstract: A cross-point memory includes a plurality of memory devices, with each device comprising a memory layer between first and second address lines. In one preferred embodiment, the memory layer comprises an OTS (Ovonic Threshold Switch) film and an antifuse film. In another preferred embodiment, the memory layer comprises an OTS film having a first switch voltage (i.e. forming voltage Vform) greater than all subsequent switch voltages (i.e. threshold voltage Vth).

Abstract: A method, apparatus, computer device, and storage medium for automatic design of analog circuits based on tree structure. The method includes: setting the maximum height and growth direction of the tree structure; randomly calling the node from the function node library as the parent node; randomly calling the node from the function node library and the port node library as the child according to the growth direction node; if the child node is a terminal node, generating a tree structure; checking the tree structure, if the tree structure satisfies the preset conditions, obtaining the circuit topology and device parameter that conform to the circuit rules; evolving the circuit topology and device parameter to generate an analog circuit. The embodiments achieve the effect of making the tree structure of the designed analog circuit more reasonable.