Abstract: An anode material, a preparation method thereof, and a lithium ion battery provided. The anode material includes a core and a coating layer arranged on at least part of a surface of the core, where the core includes porous carbon and active material filling in pore structure of the porous carbon, the porous carbon has a first pore structure with a pore size less than or equal to 2 nm and a second pore structure with a pore size greater than 2 nm, a ratio of a pore volume of the first pore structure to a total pore volume of the porous carbon is greater than or equal to 40%, and the second pore structure has a filling ratio greater than or equal to 95%. The anode material can effectively inhibit volume expansion and have advantages of high rate performance, a high capacity, and good cycling performance.

Abstract: A display substrate includes a base substrate, pixel units, and data lines. At least one sub-pixel includes a common electrode, which includes a dark region electrode portion and a light transmitting region electrode portion. The common electrode is provided with slits, an end portion of at least one slit has first to third portions, and the second portion is between the first portion and the third portion. In the first direction, the first portion is arranged side by side with an adjacent dark region electrode portion in the first direction, the second portion is arranged side by side with a part of an adjacent light transmitting region electrode portion, and the third portion is arranged side by side with another part of the adjacent light transmitting region electrode portion in the first direction. An inclination of the second portion is greater than that of the third portion and less than that of the first portion.

Abstract: The present application disclose a device for preparing rock samples with different moisture contents, which comprises a sample container, wherein two ends of the rock sample are respectively connected with a first steam inlet and a first steam outlet of the sample container; the first steam outlet, a pump and a gas-liquid separator are connected in sequence, a gas outlet end of the gas-liquid separator, a steam compressor and the first steam inlet are connected in sequence, and a liquid outlet end of the gas-liquid separator, a steam generator and the steam compressor are connected in sequence. The water vapor in the sample container is pumped into the gas-liquid separator by the pump to separate low-temperature water vapor and condensate, and the low-temperature water vapor and condensate form high-temperature and high-pressure steam again and return to the inside of the sample container. The water in the steam generator always circulates inside the preparation device.

Abstract: An adaptive frequency sweeping method and an adaptive frequency sweeping system for frequency point sampling, and related devices, related to a technical field of wireless communication are provided, the adaptive frequency sweeping method is applied to simulation of radio frequency (RF) components. The adaptive frequency sweeping method for the frequency point sampling does not hinge upon specific numerical values and enables precise simulation at positions where frequency responses rapidly change while performing coarse simulation in areas that are not concerned about, thereby improving precision and efficiency of a design process for the RF components. Moreover, aiming at characteristics of Y parameters and S parameters in the frequency responses, different evaluation metrics are provided to reduce sampling points required for frequency sweeping and increasing a frequency sweeping speed.

Abstract: The invention provides a carbon dioxide-based polyurethane elastomer with damping and anti-fatigue aging properties and its preparation method. It is obtained from Component A and Component B; Component A includes: PTMG-1000 45˜60 parts, carbon dioxide-based polyol 25˜30 parts, poly-DOPO-ITA-pentanediol ester 10˜20 parts, BDO 3˜5 parts, water 0.3˜0.5 parts, N-methylimidazole 0.5˜0.8 parts, bis(2-dimethylaminoethyl) ether 0.1˜0.2 parts, needle-shaped nano-titanium dioxide 0.5 parts, hindered phenol 0.2˜0.5 parts, dibutyltin dilaurate 0.1˜0.3 parts, strontium chloride 0.005˜0.01 parts, rhodium chloride 0.02˜0.03 parts, foaming agent 0.2˜0.5 parts; Component B includes: carbon dioxide-based polyol 50˜55 parts, MDI-50 45˜50 parts, organic zinc 0.01˜0.02 parts, organic bismuth 0.01˜0.02 parts.

Abstract: A battery cell includes a shell, an electrode terminal, and a blocking member. The shell includes a wall portion having a lead-out hole. The electrode terminal includes an insertion portion and a flange portion connected in an axial direction of the electrode terminal. The insertion portion is in the lead-out hole, the flange portion is at the side of the insertion portion away from the inside of the shell in a radial direction of the electrode terminal, an outer peripheral surface of the flange portion is partially beyond an outer peripheral surface of the insertion portion, and the electrode terminal has a recessed portion arranged in the axial direction. The blocking member blocks the recessed portion and includes a body that covers the side of the flange portion away from the insertion portion and connected to the flange portion. The battery cell is electrically connected externally through the blocking member.

Abstract: Provided are a data processing system and method based on dynamic redundancy heterogeneous encoding, and a device. The method comprises: respectively performing error correction encoding on information to be processed and a processing rule, so as to form encoded information to be processed and an encoded processing rule; processing, by using the encoded processing rule, the encoded information to be processed, so as to obtain response data; and then performing error correction decoding on N pieces of response data, so as to obtain processing result information of the information to be processed.

Abstract: Provided are a battery cell, a battery, and a power consuming device. The battery cell includes: a shell including a plurality of side plates that enclose an end opening of the shell; an electrode assembly arranged in the shell; and an end cap arranged at the end opening, the end cap including a plurality of edge portions that are fixedly connected to an end surface of the end opening and respectively correspond to the plurality of side plates, wherein the plurality of side plates include a first side plate and a second side plate with different thicknesses, and the plurality of edge portions include a first edge portion corresponding to the first side plate and a second edge portion corresponding to the second side plate.

Abstract: Provided are a battery cell, a battery and an electricity consumption device. The battery cell includes: an electrode assembly which includes a body portion and a tab extending from the body portion; a housing configured to accommodate the electrode assembly and provided with a first opening; a first end cover configured to cover the first opening; and a tab support located between the first end cover and the body portion and configured to support the tab, wherein the first end cover is provided with a first clamping structure, the tab support is provided with a second clamping structure, and the first clamping structure is clamped with the second clamping structure. By means of the technical solutions in the embodiments of the present application, the reliability of the battery cell can be improved.

Abstract: The present disclosure provides a garden blower, including a housing and a duct assembly, the duct assembly includes an outer duct, a motor fan blade assembly and a guide cone; the outer duct and the rear casing are arranged in such a way that there is an annular interval therebetween, and a plurality of first anti-vibration components are arranged between the outer duct and the holding casing; the first anti-vibration components are close to the motor fan blade assembly, and form a first anti-vibration plane perpendicular to the motor axis of the motor fan blade assembly. This technical solution can suppress the transmission of vibration generated by the rotation of the motor fan blade assembly to other components, especially the holding casing, and effectively avoids the mutual influence between the vibration of the motor fan blade assembly and the disturbance of the rear casing caused by the airflow.

Abstract: An end cover includes: a cover body and a reinforcing portion. The cover body is configured to close an opening of a case of the battery cell, and the cover body has a first surface along a thickness direction of the cover body. The reinforcing portion protrudes from the first surface, and the reinforcing portion is configured to reinforce the cover body.

Abstract: A use of iron oxide nanoparticles (IONPs) in the preparation of a parathyroid gland and/or lymph node contrast agent is provided, where the particle size of the IONPs is from 1 nm to 1,000 nm, the polydispersity index is less than 0.3, the zeta-potential is from ?50 to 50 mV, and the peak value of an ultraviolet-visible absorption spectrum is from 100 nm to 500 nm. The IONPs may accurately image parathyroid glands with negative contrast and trace lymph nodes based on color contrast detected under visible light.

Abstract: An intent recognition method, an intent recognition apparatus, a storage medium and a computer device are provided, aiming to improve the accuracy and the efficiency of the intent recognition, which relates to the technical field of information. The method includes: acquiring user's audio to be recognized; determining multi-frame audio feature vectors corresponding to the audio to be recognized; inputting the multi-frame audio feature vectors into a preset intent recognition model to obtain multiple output sequences corresponding to the multi-frame audio feature vectors, wherein the output sequences comprise blank characters and non-blank characters; and determining a target intent corresponding to the audio to be recognized based on the multiple output sequences. The present disclosure is suitable for recognizing the intent of the user.

Abstract: An electrode structure, a display panel, an electronic device are provided, the electrode structure includes a first electrode portion, a second electrode portion and a conductive connection portion, the first electrode portion includes a first connection bar having a first side and a second side and a plurality of first electrode strips, ends of adjacent first electrode strips away from the first connection bar are open; the second electrode portion includes a second connection bar at a position of the first side away from the second side and a plurality of second electrode strips, the second connection bar includes a third side and a fourth side; the second electrode strips are connected with the second connection bar, ends of adjacent second electrode strips away from the second connection bar are open; ends of the conductive connection portion are connected with the first connection bar and the second connection bar.

Abstract: A battery cell includes a shell, an electrode terminal, an electrode assembly, a current collector component, and an insulating member. The shell has a wall portion, and electrode terminal is provided on the wall portion. The electrode assembly is located inside the shell, and has a first tab. The current collector component is connected to the first tab and the electrode terminal. The insulating member is installed between the current collector component and the wall portion, and is used to insulate and isolate the current collector component and the wall portion. Along the thickness direction of the wall portion, the insulating member has a first surface facing and closest to the current collector component, and the projection of the outer edge of the current collector component is located within the first surface.

Abstract: A battery shell, a battery cell, a battery and an electrical device are provided. The battery shell has an accommodation cavity, the accommodation cavity includes a bearing bottom wall, a plurality of side walls and inner corner portions, and each inner corner portion is connected between the bearing bottom wall and the corresponding side walls, where the inner corner portions are provided with receding grooves in a concave manner.

Abstract: A battery cell includes: an electrode assembly; and a housing, configured to accommodate the electrode assembly. An injection hole is created on a first wall of the housing. The electrode assembly includes a body portion. An orthographic projection of an opening, close to an interior of the housing, of the injection hole is staggered from an orthographic projection of the body portion on the first wall.

Abstract: Disclosed are an advanced persistent threat (APT) detection method and system based on a continuous-time dynamic heterogeneous graph network (CDHGN). The method includes: selecting network interaction event data, extracting entities from the network interaction event data as source nodes and target nodes, extracting an interaction event occurring between a source node and a target node as an edge, and determining a type and an attribute of a node, a type and an attribute of the edge, and a moment at which an interaction event occurs, to obtain a continuous-time dynamic heterogeneous graph; converting each type of edge in the continuous-time dynamic heterogeneous graph into a vector by a CDHGN encoder, to obtain an embedding representation by a CDHGN decoder to obtain a detection result of whether each type of edge is an abnormal edge, to intercept an APT attack.

Abstract: A system for purifying helium gas, a method, and an application. The system includes a first gas-liquid separation device, a primary helium extraction tower, a second gas-liquid separation device, a secondary helium extraction tower, and a nitrogen removal tower, which are in sequential communication. The first gas-liquid separation device performs first treatment to convert helium-containing natural gas into a first gas and first liquid phases; the primary helium extraction tower performs first distillation on the first gas and first liquid phases to obtain a second gas and second liquid phases; the second gas-liquid separation device performs second treatment to convert the second gas phase to a third gas and third liquid phase; the secondary helium extraction tower performs second distillation on the third gas and third liquid phases to obtain crude helium and a fourth liquid phase form which nitrogen is removed by the nitrogen removal tower.

Abstract: This application discloses an end cover assembly, a battery cell, a battery, and an electric apparatus. The end cover assembly is applied to the battery cell, including an end cover and an electrode terminal. The end cover is provided with a lead-out hole. The electrode terminal is mounted on the end cover, a portion of the electrode terminal passes through the lead-out hole, and a bottom surface of the electrode terminal extends out of the lead-out hole and is used to be fixed to an adapting component of the battery cell by welding. According to the end cover assembly of this application, when the end cover assembly is applied to the battery cell and connected to the adapting component of the battery cell, the adapting component that facilitates removal of metal shavings can be used when the electrode terminal is fixed to the adapting component by welding.