Abstract: The present application discloses a winding method and a winding system, and relates to the technical field of battery fabrication. The winding method includes: obtaining a first parameter and a second parameter of each electrode assembly on a winding needle in real time, the first parameter being any one of a number of winding layers, a sheet length and a winding roll diameter, and the second parameter being one or both of the remaining two of the number of winding layers, the sheet length and the winding roll diameter; comparing the second parameters respectively with corresponding preset parameter ranges, the preset parameter ranges being the ranges of the second parameters corresponding to the first parameters of preset standard models corresponding to the electrode assemblies; and adjusting, in response to the second parameter exceeding the corresponding preset parameter range, sheets to be wound of the corresponding electrode assembly.

Abstract: A computer-implemented method of providing one or more content item recommendations for a user of a content distribution system, comprising: determining if a user search using a title of content finds the title of content in one or more content sources available to the user; identifying, in response to the title of content not being found in the one or more content sources, content in a content library by determining if the title of content is in the content library, wherein the content library contains metadata concerning items of content in the content library, the metadata representing at least some properties of the items of content; using, in response to the title of content being determined to be in the content library, the metadata of the identified content in the content library and metadata concerning content available from the one or more content sources available to the user to generate at least one content item recommendation for the user, wherein the at least one content item recommendation is fo

Abstract: The present disclosure generally relates to a battery pack for an electric vehicle. In some implementation examples, the battery pack has an array of battery cells and a battery pack enclosure for holding the array of battery cells. The battery pack enclosure has a top surface above the array of battery cells. An impact attenuation layer can be integrated into at least a portion of the top surface of the battery pack enclosure. The impact attenuation layer has a first sub-layer and a second sub-layer. The first sub-layer has a first puncture resistance attribute and a first impact resistance attribute and the second sub-layer has a second puncture resistance attribute and a second impact resistance attribute. The first puncture resistance attribute is higher than the second, puncture resistance attribute and the first impact resistance attribute is lower than the second impact resistance attribute.

Abstract: The present invention relates to the use of MtNAC33 gene and a protein encoded thereby in the cultivation of high-biomass and drought-tolerant alfalfa, belonging to the technical field of plant genetic engineering. The plant protein encoded by MtNAC33 gene has the amino acid sequence set forth in SEQ ID NO: 2, and MtNAC33 gene has the nucleotide sequence set forth in SEQ ID NO: 1. In the present invention, the drought tolerance of Arabidopsis thaliana and alfalfa can be significantly improved by regulating the expression level of MtNAC33 in alfalfa. The phenotypes of delayed flowering, increased leaf-to-stem ratio and more biomass in alfalfa were also developed, which has an important effect for genetic improvement of stress resistance and biomass of forage grass and other crops.

Abstract: The electronic device includes a composite antenna including a slot antenna and a wire antenna. A first strip-shaped conductor of the slot antenna includes a first ground part, a second ground part, and a feeding part. The first ground part and the second ground part are respectively two ends of the first strip-shaped conductor. The feeding part is located between the first ground part and the second ground part. A second strip-shaped conductor of the wire antenna includes a first end and a second end. The first end of the second strip-shaped conductor is electrically connected to the first ground part. The second end of the second strip-shaped conductor is an open end.

Abstract: The present invention relates to the use of MtNAC33 gene and a protein encoded thereby in the cultivation of high-biomass and drought-tolerant alfalfa, belonging to the technical field of plant genetic engineering. The plant protein encoded by MtNAC33 gene has the amino acid sequence set forth in SEQ ID NO: 2, and MtNAC33 gene has the nucleotide sequence set forth in SEQ ID NO: 1. In the present invention, the drought tolerance of Arabidopsis thaliana and alfalfa can be significantly improved by regulating the expression level of MtNAC33 in alfalfa. The phenotypes of delayed flowering, increased leaf-to-stem ratio and more biomass in alfalfa were also developed, which has an important effect for genetic improvement of stress resistance and biomass of forage grass and other crops.

Abstract: Equipment for self-positioning handling of aluminum profiles for rail vehicle, including a handling and lifting mechanism, a steel beam fixed on and being driven to lift by the mechanism, 2-DOF spatial mechanisms fixed on the steel beam and mechanical clamping jaws fixed on a clamping jaw connecting seat; the 2-DOF spatial mechanisms includes a cylinder supporting seat, four connecting members on an outer ring of the cylinder supporting seat hinged respectively to four first connecting rods; wherein, two of the first rods are hinged to first ends of two ball joint connecting rods of which second ends are hinged to the clamping jaw connecting seat; the other two first rods are hinged to first ends of two second connecting rods of which second ends are hinged to the clamping jaw connecting seat; a piston rod of a cylinder center of the cylinder supporting seat driving the clamping jaw connecting seat.

Abstract: A polymer composition comprising a liquid crystalline polymer that contains repeating units derived from naphthenic hydroxycarboxylic and/or dicarboxylic acids in an amount of about 50 mol. % or more is provided. The polymer composition exhibits a dielectric constant of about 4 or less and a dissipation factor of about 0.05 or less at a frequency of 10 GHz.

Abstract: The present application provides a display panel and a manufacturing method thereof, the manufacturing method comprises: providing a first substrate, wherein a side of the first substrate is provided with a plurality of Micro-LED chips that are spaced apart from each other; providing a second substrate, wherein a surface on a side of the second substrate has a plurality of conductive layer parts; forming an isolation layer on the second substrate, wherein the isolation layer has a plurality of opening groups, each of the opening groups comprises a first opening and a second opening to expose a surface of one of the conductive layer parts, wherein a width of the first opening is greater than that of a P-type electrode, and a width of the second opening is greater than that of a N-type electrode; forming a first bonding layer in the first opening and forming a second bonding layer in the second opening; while supporting the chip body by the isolation layer, bonding the P-type electrode with the first bonding la

Abstract: A UE (10) provides information on potential S?eNB(s). The information is forwarded from an MeNB (20_1) to an M?eNB (20_2) such that the M?eNB (20_2) can determine, before the handover happens, whether the M?eNB (20_2) will configure a new SeNB (S?eNB) and which S?eNB the M?eNB (20_2) will configure. In one of options, the MeNB (20_1) derives a key S?-KeNB for communication protection between the UE (10) and the S?eNB (30_1), and send the S?-KeNB to the M?eNB (20_2). In another option, the M?eNB (20_2) derives the S?-KeNB from a key KeNB* received from the MeNB (20_1). The M?eNB (20_2) sends the S?-KeNB to the S?eNB (30_1). Moreover, there are also provided several variations to perform SeNB Release, SeNB Addition, Bearer Modification and the like, in which the order and/or timing thereof can be different during the handover procedure.

Abstract: Methods and nodes related to subscription handling and notifications, for instance, with respect to Network Function (NF) management services, are described.

Abstract: A 5G system comprising at least one antenna element configured to transmit and receive 5G radio frequency signals and at least one electronic component is provided. The antenna element, the electronic component, or both, comprise a polymer composition that includes a liquid crystalline polymer that contains repeating units derived from naphthenic hydroxycarboxylic and/or dicarboxylic acids in an amount of about 10 mol. % or more. Further, the polymer composition exhibits a dielectric constant of about 5 or less and dissipation factor of about 0.05 or less at a frequency of 10 GHz.

Abstract: A cell winding calibration method includes: obtaining a first reference distance between first and second reference lines; obtaining a reference number of pixels included in the first reference distance, and determining, based on the first reference distance and the reference number of pixels included in the first reference distance, an actual distance corresponding to a single pixel; obtaining an actual number of pixels included in a distance between an edge of a winding substrate and the first or second reference line, and determining real-time position information of the edge of the winding substrate based on the actual number of pixels included in the distance between the edge of the winding substrate and the first or second reference line and the actual distance corresponding to a single pixel; and calibrating the winding substrate based on the real-time position information of the edge of the winding substrate.

Abstract: In general, the disclosure is directed to bulk iron-nitride materials having a polycrystalline microstructure having pores including a plurality of crystallographic grains surrounded by grain boundaries, where at least one crystallographic grain includes an iron-nitride phase including any of a body centered cubic (bcc) structure, a body centered tetragonal (bct), and a martensite structure. The disclosure further describes techniques producing a bulk iron-nitride material having a polycrystalline microstructure, including: melting an iron source to obtain a molten iron source; fast belt casting the molten iron source to obtain a cast iron source; cooling and shaping the cast iron source to obtain a bulk iron-containing material having a body-centered cubic (bcc) structure; annealing the bulk iron-containing material at an austenite transformation temperature and subsequently cooling the bulk iron-containing material; and nitriding the bulk iron-containing material to obtain the bulk iron-nitride material.

Abstract: A smoothly switching negative pressure liquid cooling system is provided in the present application, wherein a gas extraction pipeline of a gas circuit is used to extract gas to form a negative pressure environment, a gas supply pipeline is used to supply the gas to form a positive pressure environment. One of the three gas-liquid chambers is used for feeding the liquid and one of the three gas-liquid chambers is used for discharging the liquid to form a coolant circulation. The other chamber maintains a negative pressure environment. At the moment of switching a working state, the chamber that maintains the negative pressure environment forms a large pressure difference, so that the coolant enters the chamber quickly. Before the working state is switched, enough negative pressure has been formed to ensure the fluidity of the coolant at the moment of switching the working state.

Abstract: A computer-implemented method of providing one or more content item recommendations for a user of a content distribution system, comprising: determining if a user search using a title of content finds the title of content in one or more content sources available to the user; identifying, in response to the title of content not being found in the one or more content sources, content in a content library by determining if the title of content is in the content library, wherein the content library contains metadata concerning items of content in the content library, the metadata representing at least some properties of the items of content; using, in response to the title of content being determined to be in the content library, the metadata of the identified content in the content library and metadata concerning content available from the one or more content sources available to the user to generate at least one content item recommendation for the user, wherein the at least one content item recommendation is fo

Abstract: This disclosure relates to a liquid cooling assembly that includes a base, a cover, a first connector, and a second connector. The cover is disposed on the base. The cover and the base together form an accommodation space therebetween. The cover has an inlet and an outlet respectively located at two opposite sides of the cover in a direction parallel to a longitudinal direction of the cover. The first connector is disposed to the inlet of the cover. The second connector is disposed to the outlet of the cover.

Abstract: An RF filter comprising a resonator element and a polymer composition is provided. The polymer composition contains an aromatic polymer and has a melting temperature of about 240° C. or more. The polymer composition exhibits a dielectric constant of about 5 or less and dissipation factor of about 0.05 or less at a frequency of 10 GHz.

Abstract: Provided are a winding mandrel, a winding machine, and a battery cell winding method. The winding mandrel includes a first connecting member and a second connecting member configured to be combined with the first connecting member. The second connecting member and the first connecting member are arranged coaxially, and length of the combined first connecting member and second connecting member is greater than length of the first connecting member or the second connecting member. Changing a structure of a winding mandrel improves stiffness of the winding mandrel and improves the efficiency and quality of a winding operation.

Abstract: A smoothly switching negative pressure liquid cooling system is provided in the present application, wherein a gas extraction pipeline of a gas circuit is used to extract gas to form a negative pressure environment, a gas supply pipeline is used to supply the gas to form a positive pressure environment. One of the three gas-liquid chambers is used for feeding the liquid and one of the three gas-liquid chambers is used for discharging the liquid to form a coolant circulation. The other chamber maintains a negative pressure environment. At the moment of switching a working state, the chamber that maintains the negative pressure environment forms a large pressure difference, so that the coolant enters the chamber quickly. Before the working state is switched, enough negative pressure has been formed to ensure the fluidity of the coolant at the moment of switching the working state.