Abstract: The present application provides a carbon material, a method for preparing the same, and a secondary battery and an electrical device comprising the same. The carbon material includes a pore structure, wherein the carbon material satisfies 0.150?ID/IG?0.280, with ID indicating an intensity of the D peak of the Raman spectrum at 1350±50 cm?1 and IG indicating an intensity of the G peak of the Raman spectrum at 1580±50 cm?1. The carbon material provided in the present application can make the secondary battery have high initial columbic efficiency, high energy density, good cycling performance and storage performance.

Abstract: The present application provides a secondary battery and a power consuming device. The secondary battery comprises a negative electrode plate, wherein the negative electrode plate comprises a negative electrode current collector and a negative electrode film layer formed on at least one surface of the negative electrode current collector, the negative electrode film layer has a first surface away from the negative electrode current collector and a second surface opposite to the first surface; the first area comprises a first active material, the first active material comprises a first carbon-based material, and the first carbon-based material has a pore structure; and the second area comprises a second active material, and the second active material comprises a second carbon-based material. The present application enables the secondary battery to have not only a high energy density but also high safety performance, and good dynamic performance, cycling performance and storage performance.

Abstract: The present application provides a carbon material, a method for preparing the same, and a secondary battery and an electrical device comprising the same. The carbon material includes a pore structure, an adsorption amount of linseed kernel oil to 100 g of the carbon material 100 g is denoted as A in ml, a specific surface area of the carbon material is denoted as B in m2/g and the carbon material satisfies: 36?A×B?75. The carbon material provided in the present application can make the secondary battery have high initial columbic efficiency, high energy density and good cycle performance and storage performance.

Abstract: The present application provides a carbon material, a method for preparing the same, and a secondary battery and an electrical device comprising the same. The carbon material includes a pore structure, wherein the carbon material has 3R and 2H phases and satisfies 0<I3R(101)/I2H(004)?0.100, in which I3R(101) is the diffraction peak intensity of 101 crystallographic plane of the 3R phase in the X-ray diffraction pattern of the carbon material, and I2H(004) is the diffraction peak intensity of 004 crystallographic plane of the 2H phase in the X-ray diffraction pattern of the carbon material. The carbon material provided in the present application can make the secondary battery have high initial columbic efficiency and also good cycling and dynamic performances.

Abstract: The present application provides a carbon material and a preparation method therefor, a secondary battery containing same and a power consuming device. The carbon material comprises pore structures, and has two diffraction peaks in a range of 25.5°-27.5° of 2? in a peak-resolving pattern of an X-ray diffraction pattern of the carbon material. The secondary battery provided by the present application has both a good cycling performance and a dynamic performance.

Abstract: The present application provides a carbon material, a method for preparing the same, and a secondary battery and an electrical device comprising the same. The carbon material includes a pore structure, the carbon material has a total pore volume denoted as V and a powder compaction density under a pressure of 50,000 N denoted as P, and the carbon material satisfies: 4.1×10?3?V×P?12.0×10?3, in which the total pore volume V of the carbon material has an unit of cm3/g and the powder compaction density P under a pressure of 50,000 N has an unit of g/cm3. The carbon material provided in the present application can make the secondary battery have high initial columbic efficiency, high energy density and also good cycling performance and storage performance.

Abstract: A portable solar photovoltaic array power generator set container and a usage method thereof are provided. The portable solar photovoltaic array power generator set container includes a foldable solar photovoltaic power generation unit, a rail component for the foldable solar photovoltaic power generation unit to unfold and retract, electrical equipment and a container. The foldable solar photovoltaic power generation unit includes multiple frames, multiple solar photovoltaic components, a hinge component and a movable component. The foldable solar photovoltaic power generation unit further includes a position-limiting component for limiting an unfolding angle of each set of frames.

Abstract: A composite artificial graphite includes a first graphite and a second graphite. The first graphite includes secondary particles and has a graphite interlayer spacing d002 of 0.33560 nm to 0.33610 nm. The second graphite includes primary particles and has a graphite interlayer spacing d002 of 0.33620 nm to 0.33670 nm. A mass percentage of the first graphite in the composite artificial graphite is 40% to 90%.

Abstract: The present disclosure discloses a connecting device and an endoscope assembly, and belongs to the technical field of medical instruments. A body of the connecting device includes a connecting portion via which a first endoscope may be connected and fixed. A side of the body opposite to the connecting portion is provided with a receiving groove for directly receiving a second endoscope therein to facilitate a connection and fixation of the second endoscope. Meanwhile, a connecting component for engaging the second endoscope is provided on the body, so that the second endoscope may be fixed within the receiving groove, thereby achieving a connection between the first endoscope and the second endoscope, facilitating assembly and disassembly thereof, and also improving a stability of connection, which is convenient for physicians to operate.

Abstract: Described herein is a water-soluble unit dose with a particle having a ratio of Linear Alkylbenzene Sulfonate to Alkylethoxylated Sulfate of greater than 1.

Abstract: This application discloses a secondary battery including a positive electrode plate and a negative electrode plate, wherein the positive electrode plate comprises a positive electrode current collector and a positive electrode film disposed on a surface of the positive electrode current collector and comprising a positive active material, the negative electrode plate comprises a negative electrode current collector and a negative electrode film disposed on a surface of the negative electrode current collector and comprising a negative active material. The positive active material comprises one or more of layered lithium transition metal oxides and modified compounds thereof, and a resistance R of the negative electrode plate satisfies: 6.0 m??R?12.0 m?; or the positive active material comprises one or more of lithium-containing phosphates with olivine structure and modified compounds thereof, and a resistance R of the negative electrode plate satisfies: 3.0 m??R?7.0 m?.

Abstract: This disclosure provides a method for ping pong roaming control performed by an access point (AP), a method for ping pong roaming control performed by a controller, an AP, a controller, a non-transitory computer readable storage medium and a computer program product for processing/identifying ping pong roaming. The method for ping pong roaming control, performed by an AP includes: determining association switching behaviors of a station (STA) based on association and/or disassociation behaviors of the STA; identifying one or more connection instability events of the STA based on the association switching behaviors of the STA; and reporting at least one of the one or more connection instability events of the STA to a controller for the controller to identify a ping pong roaming event of the STA between multiple APs.

Abstract: The present provides a device for monitoring seeding and a method thereof, comprising a monitoring sensor and an algorithm control module, wherein the monitoring sensor comprises a first sensor-channel emitting end, a first sensor-channel receiving end, a second sensor-channel emitting end and a second sensor-channel receiving end, and are arranged, in a two-channel opposite-emission photoelectric induction mode, on two sides of a seed belt, respectively; and the algorithm control module is configured to perform counting of seeding, reseeding and missed seeding, monitoring of seed deficiency and seed blockage according to a duration time of a first low level and an interval time of two adjacent falling edges of signals of the two sensor-channels; further, to perform monitoring of a rotating speed of a motor according to an interval time of two adjacent falling edges of signals of the second sensor-channel.

Abstract: The present application provides a secondary battery including a negative electrode plate which includes a negative electrode current collector and a negative electrode film that is formed on at least one surface of the negative electrode current collector, has a first surface away from the negative electrode current collector and a second surface disposed opposite to the first surface, and has a thickness denoted as H. A region from the second surface of the negative electrode film to the thickness of 0.3 H is denoted as a first region, and a region from the first surface of the negative electrode film to the thickness of 0.3 H is denoted as a second region. The first region includes a first active material including a first carbon-based material, the second region includes a second active material including a second carbon-based material. The first carbon-based material has a pore structure.

Abstract: The present application provides a secondary battery, and an electrical device. The secondary battery includes a negative electrode plate. The negative electrode plate includes a negative electrode current collector and a negative electrode film formed on at least one surface of the negative electrode current collector and including a negative electrode active material. The negative electrode active material includes a first carbon-based material and a second carbon-based material. The first carbon-based material has a pore structure, and at least a portion of the surface of the second carbon-based material has a carbon coating layer. The present application enables secondary batteries to have good dynamic performance with high energy density as well as storage performance.

Abstract: The disclosed embodiments provide a system for processing data. During operation, the system determines activity features for candidates that match parameters of a search from a moderator of an opportunity, wherein the activity features include an amount of interaction between a candidate and additional moderators and a frequency of visits by the candidate to a platform used to conduct the interaction between the candidate and the additional moderators. Next, the system applies a machine learning model to the activity features to produce activeness scores representing levels of activity of the candidates with respect to the platform. The system then generates a ranking of the candidates according to the activeness scores. Finally, the system outputs at least a portion of the ranking as a set of search results of the search.

Abstract: A device for monitoring seeding and a method thereof, including a monitoring sensor and an algorithm control module, wherein the monitoring sensor includes a first sensor-channel emitting end, a first sensor-channel receiving end, a second sensor-channel emitting end and a second sensor-channel receiving end, and are arranged, in a two-channel opposite-emission photoelectric induction mode, on two sides of a seed belt, respectively; and the algorithm control module is configured to perform counting of seeding, reseeding and missed seeding, monitoring of seed deficiency and seed blockage according to a duration time of a first low level and an interval time of two adjacent falling edges of signals of the two sensor-channels; further, to perform monitoring of a rotating speed of a motor according to an interval time of two adjacent falling edges of signals of the second sensor-channel.

Abstract: A processing method includes obtaining input information from an input member of an electronic apparatus. The input information includes a behavior parameter in a process of inputting a target word. The method further includes determining a display parameter of the target word based on the behavior parameter to display the target word on a target display according to the display parameter. The display parameter represents feature information when inputting the target word.

Abstract: In various examples, multilabel hierarchical classification of objects for autonomous systems and applications is described herein. Systems and methods are disclosed that use one or more neural networks to classify objects, such as traffic signs, using multilabel classification and/or hierarchical classification. For instance, a multilabel subnetwork of the neural network(s) may classify an object based at least on one or more attributes associated with the object. As such, the output from the multilabel subnetwork may include at least a classification associated with the object and an attribute classification(s) associated with the object. A hierarchical subnetwork of the neural network(s) may also classify the object using one or more class labels, where a class label indicates another classification and/or a class group associated with the object.

Abstract: Provided are a negative electrode plate and a preparation method thereof, a battery cell, a battery, and an electrical device. The negative electrode plate includes a current collector and a film layer disposed on the current collector. The film layer includes a first part and a second part disposed along a thickness direction of the film layer. The first part is disposed on the current collector. The second part is disposed on the first part. The first part includes a first active material. The second part includes a second active material. The first active material includes a first carbon-based material. The second active material includes a second carbon-based material containing a coating layer. A powder compaction density of the first active material is greater than a powder compaction density of the second active material.