Abstract: Provided are an interaction method and apparatus in a live streaming room, a device, and a storage medium. The method comprises: in response to a trigger operation for a preset drawing entry on a live streaming room page, jumping to a graphic drawing page from the live streaming room page, a drawing trajectory set for a preset object being displayed on the graphical drawing page; when a drawing stroke on the graphic drawing page is received, matching the drawing stroke with the drawing trajectory; and if it is determined that the drawing stroke is successfully matched with the drawing trajectory, displaying prompt information about successful participation in a preset activity, the preset activity and the preset drawing entry having a correspondence.

Abstract: The present disclosure provides a method for preparing lithium iron phosphate from ferric hydroxyphosphate, including: purifying ferrous sulfate to form a ferrous sulfate solution, adding hydrogen peroxide, phosphoric acid, an ammonium dihydrogen phosphate solution and ammonia water into the ferrous sulfate solution and then reacting to form a mixed slurry, holding the mixed slurry at a temperature for a period of time, and then washing with water and subjecting to press filtration to form ferric hydroxyphosphate precursors with different iron-phosphorus ratios; then flash drying, sintering at a high temperature, and pulverizing to obtain ferric hydroxyphosphate precursors with different iron-phosphorus ratios and different specific surface areas.

Abstract: Provided are a motor driving circuit, a control method therefor, and a driving chip. The motor driving circuit includes a logic module and a push-pull module, a channel selection module, an instruction recognition module, and an isolating switch module. An input signal is outputted by the logic module and the push-pull module to control the motor. The channel selection module is configured to select a channel for the input signal to make the input signal to be connected to the isolating switch module or the instruction recognition module, or disconnected. The instruction recognition module is configured to perform a corresponding operation on the isolating switch module according to an inputted instruction. The isolating switch module is configured to receive an instruction of the channel selection module and an instruction of the instruction recognition module to connect or disconnect the logic module.

Abstract: Provided are catechol nanoparticles, catechol protein nanoparticles, and a preparation method and use thereof. The method includes: adding a tannin compound-containing natural herb medicine into water to obtain a mixture, and subjecting the mixture to heating reflux extraction to obtain a herb medicine extract and subjecting the herb medicine extract to fractionation to obtain the catechol nanoparticles.

Abstract: A tunnel operation robot includes a robot body, a walking module, a fixed wing module and a plurality of rotatable wing modules. Both sides of the robot body are provided with cantilever parts, which are collinearly arranged. The walking module is arranged on the robot body. The fixed wing module includes a fixed fan, is fixedly arranged on the robot body, and is configured to provide a pressure for the walking module to be attached to and pressed against the tunnel wall surface. The plurality of rotatable wing modules are respectively arranged on the cantilever parts on both sides of the robot body, and include a rotatable rotating fan and a wind direction adjustment driver. Each rotating fan has a rotation axis parallel to the cantilever parts and an air outlet direction perpendicular to the cantilever parts, and the wind direction adjustment driver is connected to the rotating fan.

Abstract: A semiconductor structure includes a substrate; a top metal layer disposed in a top inter-metal dielectric (IMD) layer on the substrate; a first passivation layer covering the top metal layer and the top IMD layer; a pad layer disposed on the first passivation layer and electrically connected to the top metal layer; a spin-on glass (SOG) layer covering the pad layer and the first passivation layer; and a second passivation layer disposed on the SOG layer.

Abstract: A semiconductor structure and a method for forming the same are disclosed. The method includes the steps of forming a first dielectric layer on a substrate, forming a plurality of first interconnecting structures in the first dielectric layer, forming at least a trench in the first dielectric layer and between the first interconnecting structures, performing a sputtering deposition process to form a second dielectric layer on the first dielectric layer, wherein the second dielectric layer at least partially seals an air gap in the trench, and forming a third dielectric layer on the second dielectric layer.

Abstract: A method and a kit for determining genome instability based on next generation sequencing (NGS) are disclosed. The new method is used to determine whether there is homologous recombination defect by calculating a comprehensive value of one or more of pathogenic germline and somatic mutations, such as SNV, indels, and CNVs, and Biallelic germline and somatic mutations, pathogenic mutational signature, copy number variation (CNV) in homologous recombination repair (HRR) gene, genomic structural variation and genome instability. The genomics DNA is interrupted and added with an A adapter; then corresponding polymerase chain reaction (PCR) is conducted, and Whole genome sequencing is performed; the hybrid capture is conducted with designed probes of HRR genes and SNPs, and a captured DNA library is subjected to amplification and library sequencing; and then professional bioinformatics software is used for evaluation to determine the homologous recombination deficiency (HRD) status.

Abstract: A method for generating an immune score, the method comprising the steps of: (i) determining a qualitative and/or quantitative assessment of tumor infiltrating lymphocytes in a sample; (ii) determining a qualitative and/or quantitative assessment of T-cell receptor signaling in the sample; (iii) determining a qualitative and/or quantitative assessment of mutation burden in the sample; (iv) generating, using a predictive algorithm, an immune score based on the determined qualitative and/or quantitative assessment of tumor infiltrating lymphocytes, the determined qualitative and/or quantitative assessment of T-cell receptor signaling, and the determined qualitative and/or quantitative assessment of mutation burden.

Abstract: A semiconductor structure and a method for forming the same are disclosed. The method includes the steps of forming a first dielectric layer on a substrate, forming a plurality of first interconnecting structures in the first dielectric layer, forming at least a trench in the first dielectric layer and between the first interconnecting structures, performing a sputtering deposition process to form a second dielectric layer on the first dielectric layer, wherein the second dielectric layer at least partially seals an air gap in the trench, and forming a third dielectric layer on the second dielectric layer.

Abstract: A method for generating an immune score, the method comprising the steps of: (i) determining a qualitative and/or quantitative assessment of tumor infiltrating lymphocytes in a sample; (ii) determining a qualitative and/or quantitative assessment of T-cell receptor signaling in the sample; (iii) determining a qualitative and/or quantitative assessment of mutation burden in the sample; (iv) generating, using a predictive algorithm, an immune score based on the determined qualitative and/or quantitative assessment of tumor infiltrating lymphocytes, the determined qualitative and/or quantitative assessment of T-cell receptor signaling, and the determined qualitative and/or quantitative assessment of mutation burden.

Abstract: Disclosed are a next generation sequencing-based detection panel for glioma, a detection kit, a detection method and an application thereof. The detection panel contains glioma-related genes and loci, wherein the glioma-related genes and loci contain SNP locus on chromosome 1, SNP locus on chromosome 19, MGMT, ATRX, H3F3A, ACVR1, CTC, HIST1H3B, MLH1, PLCG1, SMO, AKT1, CTNNB1, HIST1H3C, MSH2, PMS2, TERT, ATRX, DAXX, HRAS, MSH6, PPMID, TP53, BCOR, DDX3X, IDH1, MYC, PTCH1 and the like.

Abstract: A device and a method for detecting tumor mutation burden (TMB) based on capture sequencing are disclosed. The device includes: a panel design module configured to uniformly add population single-nucleotide polymorphism (SNP) sites to a genome and screen out gene regions that show the highest consistency with whole exome sequencing (WES); a data acquisition module configured to acquire tissue and plasma samples of a target object and acquire sequencing data of the samples; an alignment module configured to align the sequencing data with a reference genome to acquire mutation data results; a somatic mutation analysis module configured to perform somatic analysis on the mutation data results to obtain somatic mutation results; a filtering module configured to remove unreal mutation sites from the somatic mutation results; and a calculation module configured to calculate the TMB.

Abstract: A method and a kit for determining genome instability based on next generation sequencing (NGS) are disclosed. The new method is used to determine whether there is homologous recombination defect by calculating a comprehensive value of one or more of pathogenic germline and somatic mutations, such as SNV, indels, and CNVs, and Biallelic germline and somatic mutations, pathogenic mutational signature, copy number variation (CNV) in homologous recombination repair (HRR) gene, genomic structural variation and genome instability. The genomics DNA is interrupted and added with an A adapter; then corresponding polymerase chain reaction (PCR) is conducted, and Whole genome sequencing is performed; the hybrid capture is conducted with designed probes of HRR genes and SNPs, and a captured DNA library is subjected to amplification and library sequencing; and then professional bioinformatics software is used for evaluation to determine the homologous recombination deficiency (HRD) status.

Abstract: An MIM capacitor includes a semiconductor substrate having a conductor layer thereon, a dielectric layer overlying the semiconductor substrate and the conductor layer, and a first capacitor electrode disposed on the dielectric layer. The first capacitor electrode partially overlaps with the conductor layer when viewed from above. A capacitor dielectric layer is disposed on the first capacitor electrode. A second capacitor electrode is disposed on the capacitor dielectric layer. At least one via is disposed in the dielectric layer and electrically connecting the first capacitor electrode with the conductor layer.

Abstract: [Problem] The present invention relates to a hydraulic control unit that includes a pump for increasing a hydraulic pressure of a brake fluid. [Means for Resolution] The hydraulic control unit according to the present invention includes: a discharge channel from which the brake fluid is discharged, the brake fluid being pressurized by the pump; a pulsation reducing unit disposed in the middle of the discharge channel; and a controller controlling the pump and the pulsation reducing unit. The pulsation reducing unit includes: a valve housing; a fixed core fixed to the valve housing; a movable core received in the valve housing in an axially movable manner; a closing member interlocking with the movable core and closing the discharge channel; a coil disposed in a manner to surround the valve housing and the fixed core; and an inflow chamber which is formed by the valve housing and one end surface of the movable core, into which the brake fluid from the discharge channel flows, and whose volume can vary.

Abstract: A processing unit can operate a first recurrent computational model (RCM) to provide first state information and a predicted result value. The processing unit can operating a first network computational model (NCM) to provide respective expectation values of a plurality of actions based at least in part on the first state information. The processing unit can provide an indication of at least one of the plurality of actions, and receive a reference result value, e.g., via a communications interface. The processing unit can train the first RCM based at least in part on the predicted result value and the reference result value to provide a second RCM, and can train the first NCM based at least in part on the first state information and the at least one of the plurality of actions to provide a second NCM.

Abstract: Provided are a motor driving circuit, a control method therefor, and a driving chip. The motor driving circuit includes a logic module and a push-pull module, a channel selection module, an instruction recognition module, and an isolating switch module. An input signal is outputted by the logic module and the push-pull module to control the motor. The channel selection module is configured to select a channel for the input signal to make the input signal to be connected to the isolating switch module or the instruction recognition module, or disconnected. The instruction recognition module is configured to perform a corresponding operation on the isolating switch module according to an inputted instruction. The isolating switch module is configured to receive an instruction of the channel selection module and an instruction of the instruction recognition module to connect or disconnect the logic module.

Abstract: This application is related to a data recovery system. The data recovery system includes processing circuitry which receives a restore request. The restore request includes a restore target time. When backup data corresponding to the restore target time is determined to be available, the processing circuitry creates a temporary database service instance and determines information of the temporary database service instance. The processing circuitry further obtains the backup data corresponding to the restore target time and writes the backup data into the temporary database service instance according to the information of the temporary database service instance. The processing circuitry executes a formal restoration operation on the temporary database service instance, in which the backup data is written, according to a received processing request.

Abstract: Provided is a gas discharge tube, including at least two electrodes and an insulating tube body, which is connected in a sealing manner with the electrodes to form a discharge inner cavity. A low-temperature sealing adhesive for sealing the discharge inner cavity is arranged in the gas discharge tube. The low-temperature sealing adhesive is melted at a specific low temperature to cause gas leakage in the discharge inner cavity.