Abstract: Disclosed herein is a current collector, a secondary battery, an electrical device, and a method for preparing the current collector. The current collector includes a substrate. The substrate includes the porous material. The affinity material is disposed in pores of the porous material. The affinity material is configured to promote the deposition of metal ions in an electrolyte solution. The affinity material includes at least one of a carbon-based material, a non-metal oxide, a carbide, a fluoride, a nitride, a sulfide, a phosphide, and an organic material. The above manner is able to effectively reduce the nucleation overpotential of the metal ions on the porous material of the current collector, promote the uniform diffusion and deposition of the metal ions within the pores of the porous material of the current collector, inhibit the generation of a dendrite, and improve the cyclic performance and safety of the battery.

Abstract: A multidentate phosphite ligand is used in the catalytic synthesis of adiponitrile. The ligand is represented by the following general formula (I). The method of catalytic synthesis of adiponitrile comprises primary hydrocyanation, isomerization, and secondary hydrocyanation reactions, wherein the catalyst adopted each comprises a phosphite ligand-nickel complex composed of a nickel precursor and a multidentate phosphite ligand. The ligand molecule has a higher electron cloud density, and the phosphorus content capable of participating in coordination in the ligand molecule per unit mass is higher, so that the catalytic activity of the catalyst is improved, and the amount of the catalyst is reduced.

Abstract: Disclosed is a methionine adenosyltransferase 2A heterocyclic inhibitor. The structure of the methionine adenosyltransferase 2A inhibitor is represented by general formula I, wherein at most two of W, X, Y and Z are simultaneously N, and R1 and R2 are each independently selected from a 6- to 10-membered aryl or a 9- to 18-membered benzoheterocyclyl. Also disclosed is a preparation method therefor. The compound of general formula I has significant inhibitory activity of methionine adenosyltransferase 2A and can be used for treating methionine adenosyltransferase 2A-mediated diseases.

Abstract: The present disclosure provides quantum dot patterned film and preparation method thereof, electron transport layer, and quantum dot electroluminescent device. The preparation method includes: S1, attaching a quantum dot precursor solution to a functional transport layer substrate to obtain a wet film having a quantum dot layer; S2, attaching a photosensitive ligand to a patterned surface of a prefabricated nano stamp to obtain a photosensitive ligand stamp having a ligand layer; S3, contacting the quantum dot layer of the wet film with the ligand layer of the photosensitive ligand stamp, performing imprinting treatment, so as to obtain a ligand exchange quantum dot film; and S4, performing on the ligand exchange quantum dot film to obtain the quantum dot patterned film. The preparation method solves the problems in the related art that the preparation process of the quantum dot patterned film is complex and the production yield is relatively low.

Abstract: Various embodiments of the teachings herein include a WLAN communication method. An example includes: receiving a polling request message at a client from an access point; checking whether the client is a polled client; if the client is the polled client, then sending a polling response message from the client to the access point; entering a function execution time window, and, when a moment for executing a function is reached in the function window, executing the function at the client. The function window starts when the client sends the polling response and ends before a retention time window starts. The retention time window begins with a safety time window and ends after it is expected that a polling response message will next be sent. The safety time window includes a period before a next polling cycle starts not less than an execution time of a function about to be executed.

Abstract: A system, method, and computer program product are configured to: provide a tablespace comprising an original partition having a lower boundary L, an upper boundary U, a split percentage P, and a split ratio R; and in response to the original partition reaching a fullness of P, automatically split the original partition to a first progeny partition and a second progeny partition, wherein the first progeny partition has a lower boundary L1 that is the same as the lower boundary L of the original partition and an upper boundary U1 that is determined based on whether the insert is a sequential or random insert, and wherein the second progeny partition has an upper boundaries U2 that is the same as the upper boundary U of the original partition and a lower boundary L2 that is determined based on whether the insert is a sequential or random insert.

Abstract: The present application discloses a communication method, a server, and a computer device. The communication method includes that a server establishes a connection and feeds back a display control in response to requests of a first terminal and a second terminal; then, the server feeds back function feedback information in response to a function request of the first terminal, and feeds back function feedback information in response to a menu request of the second terminal; and the servers presents multiple interface components and maintains and updates each interface component in response to management operation of a third user.

Abstract: A method for manufacturing a humidity alarm device based on laser-induced graphene is performed as follows. Carbon-based films are coated with a hydroxide ion-containing solution and processed by a laser device to generate hydrophilic graphene layers. The hydrophilic graphene layers are peeled off from the carbon-based films, wetted, and respectively wrapped around shaping rods varying in diameter. The wrapped rods are heated and shaped by a drying oven to obtain curled graphene switches. Each curled graphene switch is connected in series with an alarm lamp to form an alarm component. The alarm components are connected in parallel, and then connected to a positive terminal and a negative terminal of a power supply to form the humidity alarm device.

Abstract: An ejector pin sliding on membrane-based device and method for mass transfer of mini light-emitting diodes (Mini-LEDs) are provided. The device includes a gantry transverse beam. The gantry transverse beam is provided with an ejector pin base, and the ejector pin base is configured to move along the gantry transverse beam. The ejector pin base is fixedly provided with a vision camera and an ejector pin. A blue membrane is horizontally provided at a side of the gantry transverse beam close to the ejector pin, and is spaced from the gantry beam. A surface of a side of the blue membrane away from the gantry transverse beam is adhesively provided with a plurality of Mini-LED chips arranged evenly. A transfer substrate is horizontally provided at a side of the blue membrane close to the plurality of Mini-LED chips, and is spaced from the blue membrane.

Abstract: The present utility model relates to a packaging box. The packaging box includes: an upper cover; and a lower cover. The upper cover and the lower cover can be combined together to form an internal packaging space therebetween. The packaging box further includes at least one spacer provided in the interior of at least one of the upper cover and the lower cover. When the upper cover and the lower cover are combined, the spacer divides the internal packaging space into at least a left cavity and a right cavity. The left cavity and the right cavity have a left outlet and a right outlet, respectively, and at least one of the upper cover and the lower cover is provided with at least one flip cover. The at least one flip cover can be flipped vertically to close or open the left outlet and/or the right outlet. In the present utility model, various types of blocks can be stored in one packaging box and easily accessed by a consumer with one hand, thereby greatly improving user experience of the consumer.

Abstract: A method includes: acquiring an input sentence in a first language in a current round of conversation; translating the input sentence in the first language to obtain an input sentence in a second language, according to dialogue contents in the first language and dialogue contents in the second language that have a mutual translation relationship with the dialogue contents in the first language in historical rounds of conversation; invoking a multi-round conversation generation model to parse the input sentence in the second language in the current round of conversation to generate an output sentence in the second language in the current round of conversation; translating the output sentence in the second language in the current round of conversation to obtain at least one candidate result in the first language; and determining an output sentence in the first language from the at least one candidate result in the first language.

Abstract: An integrated machine for automatic cutting, polishing, stacking, and unloading of substrates, including a laser cutting machine, a mechanical laser arm, a polishing machine, a polishing device, a first finished product placement rack, a second finished product placement rack, and an automatic stacking device. The mechanical laser arm is fixed on the frame of the laser cutting machine, the polishing device is fixed on the polishing machine, and the first finished product placement rack and the second finished product placement rack are arranged on both sides of the automatic stacking device. The present disclosure can achieve cutting the substrates of any size, and can automatically polish the edges of the cut substrates. The present disclosure has the characteristics of automation, integration, and multi-functionality, effectively reducing the number of supporting equipment and occupying space.

Abstract: The disclosure provides a method and an apparatus for generating comment information based on a large model, an electronic device and a storage medium, relates to a technical field of artificial intelligence, and in particular to the technical fields of deep learning, large model, and natural language processing, and the like. The specific technical solution includes: obtaining description information of a resource to be commented on by understanding, based on the large model, the resource to be commented on; obtaining, based on the description information, comment information of the resource to be commented on, in which the comment information includes at least a comment video of the resource to be commented on; and displaying the comment video in a comment section. The intelligent generation of comment videos and texts is realized, improving the accuracy of the comment information, simplifying the comment generation process, and improving the speed of generating comments.

Abstract: A computer-implemented method for information processing includes: obtaining text information, in which the text information includes first text information of a resource to be commented on and second text information of a candidate prompt; selecting a target prompt from the candidate prompts based on the text information; and generating comment information of the resource to be commented on, based on the resource to be commented on and the target prompt.

Abstract: A method for manufacturing a humidity alarm device based on laser-induced graphene is performed as follows. Carbon-based films are coated with a hydroxide ion-containing solution and processed by a laser device to generate hydrophilic graphene layers. The hydrophilic graphene layers are peeled off from the carbon-based films, wetted, and respectively wrapped around shaping rods varying in diameter. The wrapped rods are heated and shaped by a drying oven to obtain curled graphene switches. Each curled graphene switch is connected in series with an alarm lamp to form an alarm component. The alarm components are connected in parallel, and then connected to a positive terminal and a negative terminal of a power supply to form the humidity alarm device.

Abstract: A device for mass transfer of Mini-LEDs based on array water jet-based ejection, including a planar motion platform, a vision camera, an array water jet-type ejection unit, a Z-axis motion platform, a blue membrane, an operation platform and a transfer substrate. The vision camera and the array water jet-type ejection unit are provided on a side of the planar motion platform. The array water jet-type ejection unit includes a water jet channel and a through-hole array. The Z-axis motion platform is provided at a side of the planar motion platform near the vision camera, and is configured for placement of the blue membrane. Multiple Mini-LED chips are bonded to the blue membrane. The operation platform is spacedly provided at a side of the Z-axis motion platform away from the planar motion platform.

Abstract: A color film substrate includes a first base substrate, a color film layer disposed at one side of the first base substrate, a protective layer disposed at one side of the color film layer away from the first base substrate, and a plurality of first spacers disposed corresponding to the plurality of first grooves. In the non-display region, a plurality of first grooves are provided at one surface of the protective layer away from the first base substrate. A part of the first spacer is disposed in the first groove.

Abstract: An integrated machine for automatic cutting, polishing, stacking, and unloading of substrates, including a laser cutting machine, a mechanical laser arm, a polishing machine, a polishing device, a first finished product placement rack, a second finished product placement rack, and an automatic stacking device. The mechanical laser arm is fixed on the frame of the laser cutting machine, the polishing device is fixed on the polishing machine, and the first finished product placement rack and the second finished product placement rack are arranged on both sides of the automatic stacking device. The present disclosure can achieve cutting the substrates of any size, and can automatically polish the edges of the cut substrates. The present disclosure has the characteristics of automation, integration, and multi-functionality, effectively reducing the number of supporting equipment and occupying space.

Abstract: A ranging telescope includes an object lens unit, an image turning module, an eyepiece unit and a display. Ambient light passes through the object lens unit, the image turning module and the eyepiece unit to form an ambient light path. The display is configured to generate display light which passes through the image turning module and then through the eyepiece unit. The light flux regulator is disposed in the ambient light path and between the object lens unit and the eyepiece unit, for regulating flux of the ambient light or the display light that passes through the eyepiece unit, so as to regulate an intensity difference between the ambient light and the display light passing through the eyepiece unit.

Abstract: A method and a system for controlling a charging port cover of a vehicle, and a vehicle are provided. The charging port cover includes an inner cover and an outer cover located on the outer side of the inner cover. The control method includes: vehicle environment information of the vehicle is obtained, and whether a user has an intention to charge the vehicle is detected according to the vehicle environment information. In response to detecting that the user has the intention to charge the vehicle, a control signal is generated under the condition that the vehicle environment information suggests that a user has a charging intention. According to the control signal, the inner cover and the outer cover are controlled to be opened.