Abstract: The present disclosure discloses a rolling ring shrink fitting tool for rotary equipment, including a lifting frame; a movement slot is formed in a bottom surface of a top of the lifting frame; an output end of a first motor is connected with a main gear; guide rollers are embedded in a lifting seat through bearings; shrink fitting plates are two semicircular structures; lifting lugs are welded on outer sides of the shrink fitting plates; tooth rings are arranged outside the shrink fitting plates; stop rods are fixed on inner walls of the tooth rings; supporting screw rods are embedded at sunken positions on inner walls of the shrink fitting plates through bearings.

Abstract: The disclosure belongs to the technical field of batteries, and particularly relates to a current collector component, which includes a first current collector piece, a second current collector piece, and an insulator, the first current collector piece and the second current collector piece being in insulated connection through an insulator; and the second current collector piece includes a body part, a welding part, and a connecting part, the body part being connected to the insulator and provided with a first electrical connection surface, the connecting part being connected between the body part and the welding part, and the connecting part being bendable, so that the welding part is located on the side, far away from the first electrical connection surface, of the body part. The structure of the disclosure may increase the utilization rate of the internal space of a housing.

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: Disclosed are heterocyclic compounds or their pharmaceutically acceptable salts with ferroptosis-inducing activity, Those compounds or their pharmaceutically acceptable salts can be used to treat cancer.

Abstract: The invention discloses a ternary positive electrode material coated with nitride/graphitized carbon nanosheets and preparation method thereof. The ternary positive electrode material coated with nitride/graphitized carbon nanosheets includes a ternary positive electrode material matrix and a coating layer; the coating layer is composed of nitride and graphitized carbon; and the graphitized carbon is formed in situ in the coating process of the nitride. Compared with a physical mixing method, the in-situ generated carbon layer is connected to the material matrix more tightly, and the formed conductive network is denser. So that the rate performance of the material is improved to the maximum extent. The preparation method is simple and easy to realize industrial production. And the obtained ternary positive electrode material coated with nitride/graphitized carbon nanosheets has excellent rate performance and cycling stability.

Abstract: The disclosure belongs to the technical field of batteries, and particularly relates to a current collector component, which includes a first current collector piece, a second current collector piece, and an insulator, the first current collector piece and the second current collector piece being in insulated connection through an insulator; the second current collector piece includes a body part and a welding part, the body part and the welding part forming an included angle, and a welding surface of the welding part and a surface of the body part forming an included angle. The structure of the disclosure has high welding safety, may increase the utilization rate of the internal space of a housing, and may prevent the damage to a cell caused by laser penetration welding. In addition, the disclosure further discloses a secondary battery.

Abstract: A storage engine may obtain one or more object access properties of an object to be received, and determine a type of storage device that is suitable or desirable for storing the object from among different types of storage devices based at least in part on the one or more object access properties of the object to be received. In response to determining the type of storage device, the storage engine may allocate a storage device of such type for the object. The storage engine may then receive the object, and store the object into the allocated storage device.

Abstract: A storage engine may be configured to receive data including a plurality of records from a client device, and generate a plurality of record headers for the plurality of records. The storage engine may then transfer a group of record headers of the plurality of record headers to a storage device to cause the storage device to store the group of record headers consecutively in a data sector of the storage device, and further transfer a subset of payload data of one or more records associated with the group of record headers to the storage device to cause the storage device to store the one or more records after the group of record headers in the data sector of the storage device.

Abstract: A system and method for CO2 capture and electroregeneration and synchronous conversion are provided. The system includes a CO2 capture subsystem, which uses an absorption liquid to capture CO2 and generate a capture liquid; and a CO2 electroregeneration and synchronous conversion subsystem, including a cathode chamber provided with a cathode electrode, a sample inlet, and a sample outlet, an anode chamber having an anode electrode, a sample inlet connected to an outlet of the capture liquid of the CO2 capture subsystem, and a sample outlet connected to the sample inlet of the cathode chamber for introducing CO2 regenerated by anodic oxidation into the cathode chamber for electroreduction, and a balance chamber in the middle having a sample outlet connected to an inlet of the absorption liquid of the CO2 capture subsystem. The system can perform self-circulation and stably operate, to capture, regenerate and convert CO2.

Abstract: Certain aspects of the present disclosure relate to wireless communications, and more particularly, to techniques for beam determination, multi-user transmission, and channel state variance information (CSVI) reporting in a holographic multiple input multiple output (MIMO) system.

Abstract: Systems and methods are provided for excitation spectral microscopy using frame-synchronized acousto-optic scanning of fluorescent excitation wavelengths. Linear unmixing of the images of targets of components that are individually labeled with different fluorophores can be simultaneously imaged with high temporal resolution and low crosstalk and the local abundance of each fluorophore at each pixel can be quantified. Fluorophore decomposed micrographs of the sample can be obtained by rendering the abundance in each pixel as an image.

Abstract: The present application provides a circuit material and a circuit board containing the same. The circuit material comprises a conductive metal layer and a dielectric substrate layer, and an adhesive layer arranged therebetween, wherein the adhesive layer is made of a material which comprises an adhesive composition comprising a resin component and a non-resin component, wherein the resin component is composed of unsaturated polyphenylene ether resin, SBS resin and maleimide resin; and the non-resin component comprises an initiator; and the adhesive layer is obtained by applying the adhesive composition dissolved in a solvent onto the surface of the conductive metal layer or the dielectric substrate layer in the form of a solution, or by applying to a release material and removing the release material after partially curing or completely curing.

Abstract: The present disclosure discloses a rolling ring shrink fitting tool for rotary equipment, including a lifting frame; a movement slot is formed in a bottom surface of a top of the lifting frame; an output end of a first motor is connected with a main gear; guide rollers are embedded in a lifting seat through bearings; shrink fitting plates are two semicircular structures; lifting lugs are welded on outer sides of the shrink fitting plates; tooth rings are arranged outside the shrink fitting plates; stop rods are fixed on inner walls of the tooth rings; supporting screw rods are embedded at sunken positions on inner walls of the shrink fitting plates through bearings.

Abstract: The present disclosure relates to a user equipment, a network side device, a wireless communication method and a storage medium. The user equipment of the present disclosure comprises a processing circuit, the processing circuit being configured to: generate channel occupancy time (COT) sharing indication information, wherein the COT sharing indication information comprises time frequency resources used by other user equipments when the user equipment shares a COT with the other user equipments; and send the COT sharing indication information to the other user equipments. By using the user equipment, the network side device, the wireless communication method and the storage medium of the present disclosure, COT sharing can be supported in a D2D communication mode, thereby enabling a channel to be utilized more reasonably, and simplifying a usage process of an unauthorized frequency band in D2D communication.

Abstract: A power tool includes a housing, a motor, a ball sleeve, an oscillating member with a mounting portion, and an output shaft rotating around an output shaft axis. The oscillating member and the ball sleeve are engaged in an engagement region on the oscillating member, and the geometric center of the engagement region is an engagement center. A first plane bisects the first bearing assembly along a direction of the output shaft axis, and a second plane bisects the second bearing assembly along the direction of the output shaft axis. The height from the engagement center to the first plane is a first height H1, the height from the engagement center to the second plane is a second height H2, and the ratio H1/H2 of the first height H1 to the second height H2 is greater than or equal to 0.5 and less than or equal to 1.4.

Abstract: This invention relates to the technical field of harmonic elimination for ferromagnetic resonance for a voltage transformer (abbreviated as PT), in particular, to a harmonic elimination method for ferromagnetic resonance for an active resistance-matching voltage transformer based on PID-adjustment, including compiling a resistance matching algorithm; designing and building a harmonic elimination control system based on the PID control strategy; presetting an active resistance-matching strategy; designing an engineering scheme for placing resistors.

Abstract: The present disclosure relates to the technical field of genetic engineering, in particular to a target ligand. The target ligand provided by the present disclosure forms a siRNA conjugate with a specific small interfering RNA sequence, which targets to an angiopoietin like 3 (ANGPTL3), and reduce the expression quantity of an ANGPTL3 protein by degrading a transcript of an ANGPTL3 gene in a cell. Therefore, the siRNA conjugate formed by the target ligand provided by the present disclosure may be used to prevent and/or treat a dyslipidemia disease.

Abstract: The present disclosure relates to a radar ranging system based on a true random generator and a ranging method thereof The present disclosure adopts the following technical scheme: the system comprises a radar signal modulation and transmission unit and a radar signal receiving and processing unit, wherein the radar signal modulation and transmission unit inputs and stores a true random binary sequence generated by the true random generator in a memory, and cyclically outputs the true random binary sequence to a BPSK modulator for phase modulation. The receiving and amplifying unit receives the reflected radar signal. The down-sampling unit down samples the intermediate frequency signal generated by the mixers. The data processing unit converts the sampled analog signal into a digital signal and cross-correlates the signal with the true random binary sequence in the memory, so as to obtain the distance to the object side to be measured.

Abstract: An online meeting system begins the process of connecting a user to an online meeting when a request is received from a user to start or join the online meeting. In response to the request, a pre-meeting user interface (UI) is displayed having a user interface control which, when activated, enables transmission of audio and/or video data for the online meeting, and prior to activation of the control, connection parameters are shared with an online meeting service to preheat the meeting. In response to activation of the control, transmission of audio and/or video data for the online meeting is enabled.

Abstract: Disclosed are a low-loss coplanar waveguide bonding structure and a manufacturing method thereof, relating to the technical field of semiconductor. The low-loss coplanar waveguide bonding structure includes: a first coplanar waveguide on a first substrate, a second coplanar waveguide on a second substrate and having a same structure as the first coplanar waveguide, and a plurality of two-dimensional heterostructures connecting conductors of the first coplanar waveguide and the second coplanar waveguide in a one-to-one correspondence, where the two-dimensional heterostructures includes: a two-dimensional conductive material layer for signal transmission and a two-dimensional dielectric material layer under the two-dimensional conductive material layer.