Abstract: The present disclosure relates to a compound and use thereof in an identification of Camellia ptilophylla varieties, with a structural formula of Formula (I). Upon identification, the compound was named as 4-amino-5-hydroxypentanoic acid, being a newly discovered natural compound found in tender shoots of Camellia ptilophylla, and also identified as a novel amino acid. This compound was not detected in other tea varieties, but it was consistently present in all populations of Camellia ptilophylla. In the tender shoot tissues or tea products made from such tender shoot materials, the detection of this compound can effectively identify tea products and seedlings of Camellia ptilophylla.

Abstract: The present disclosure provides a game scene generating method, including: separately obtaining pathfinding graphs of a plurality of sub-virtual objects; determining a plurality of reference lines of the pathfinding graph of each sub-virtual object; determining at least one target geometric area in the pathfinding graph on the basis of the plurality of reference lines; and splicing the plurality of sub-virtual objects according to the at least one target geometric area corresponding to each sub-virtual object to obtain a game scene. A virtual game character performs pathfinding on the terrain of the game scene.

Abstract: A computing device for diffusion dictionary imaging (DDI) of microstructure and inflammation of a patient is provided. The DDI computing device is connected to other computing devices, such as a magnetic resonance imaging (MRI) scanner. The DDI computing device receives magnetic resonance (MR) signals from the MRI scanner. Once received, the DDI computing device records the one or more MR signals to a memory device. The DDI computing device computationally processes the one or more MR signals to reconstruct a diffusion MRI image using diffusion dictionary data. The MR signals include values that are used as input to algorithms of the DDI data to reconstruct the diffusion MRI image. A database is used to store DDI data, artificial intelligence (AI) data, diffusion dictionary data, and MR data.

Abstract: A display substrate includes: a first electrode layer, which is located on one side of a drive backplane and which comprises a plurality of first electrodes that are distributed in an array; a leakage cutoff layer, which is located on the side of the first electrode layer facing away from the drive backplane and is located between two adjacent first electrodes, a surface of one side of the leakage cutoff layer away from the driving backplane being provided with a cutoff groove and a cutoff protrusion close to one side of an opening region of a first electrode; a light-emitting functional layer, located on one side of the leakage cutoff layer and the first electrode layer facing away from the drive backplane; and a second electrode layer, which is located on the side of the light-emitting functional layer facing away from the drive backplane.

Abstract: A battery includes a battery case, a battery cell, an elastic sealing member and a conductive pillar. The battery case and the elastic sealing member are connected and define an accommodating cavity, and the battery cell is arranged in the accommodating cavity. A through hole which extends in a first direction and is used for communicating the outside with the accommodating cavity is formed in the elastic sealing member, with one end of the conductive pillar passing through the through hole and being electrically connected to the battery cell, and the other end of the conductive pillar protruding out of the elastic sealing member. A pressure relief portion is arranged on the elastic sealing member, and the pressure relief portion is configured to rupture when the pressure in the accommodating cavity is greater than a pressure relief threshold, so as to release the pressure in the battery.

Abstract: A battery includes a metal housing, a battery cell, an electrically conductive column and an abutting member, the battery cell being accommodated in the metal housing, the battery cell comprising a battery cell body, a first tab and a second tab, a first end of the electrically conductive column being conductively connected to the first tab, a second end of the electrically conductive column being located outside the metal housing, the second tab having a tab protrusion protruding from the battery cell body, and the abutting member being accommodated in the metal housing and used to press the tab protrusion against an inner surface of the metal housing such that the tab protrusion is in conductive contact with the metal housing.

Abstract: A hair dryer includes a handle, an airduct, a nozzle and a power cord, an included angle is formed between the handle and the airduct; the handle includes a first side surface, a second side surface, a third side surface and a fourth side surface are connected sequentially, the first side surface and the third side surface are arranged oppositely, the second side surface and the fourth side surface are arranged oppositely, and the first side surface is located on an inner side of the included angle of the handle and the airduct; a handle cold and heat switching button is on the first side surface, a power switch, an air speed button and a heat button are on the second side surface, and a composite button is on the third side surface; first air inlets and second air inlets are in two side surfaces of the airduct.

Abstract: The invention discloses a self-adaptive hanging structure of a converter, including vertical connecting rod mechanisms connecting the lower edge of a backing ring body and a lower half converter body of the converter, and horizontal connecting rod mechanisms connecting the upper edge of the backing ring body and an upper half converter body of the converter; the horizontal connecting rod mechanisms are located above the vertical connecting rod mechanisms, the plane where the axis of a trunnion on the backing ring body and the axis of the backing ring body are located serves as the first reference plane, the symmetric center of each vertical connecting rod mechanisms is located in the radiation area of the first included angle, the two planes forming the first included angle coincide with the axis of the backing ring body, and the included angles being 15 degrees and 50 degrees are formed between the two planes and the first reference plane respectively.

Abstract: A method for constructing a corrosion resistance-mechanical property analysis model for a metallic material and an application thereof. The method for constructing the analysis model includes: using a metallic material as a test object, acquiring a corrosion performance test experimental dataset at different equivalent corrosion time points under a corrosion test condition, and a mechanical property test experimental dataset at different corrosion degrees corresponding to the different equivalent corrosion time points; and establishing empirical relational expressions describing variations of a corrosion parameter and a mechanical parameter with equivalent corrosion time.

Abstract: The present disclosure belongs to the technical field of tea component detection methods, and specifically relates to a method for simultaneously detecting four alkaloids and 10 catechin components in tea. The method includes: simultaneously detecting four alkaloids and 10 catechin components in a tea sample by using HPLC, and obtaining the content of the 14 characteristic components in the tea sample according to respective standard curves of the four alkaloids and 10 catechin components.

Abstract: An aluminum alloy material, an aluminum alloy structural component, a battery box, a battery system, an electric apparatus, a preparation method, and an application are provided. The aluminum alloy material includes the following constituent elements: Si, Mn, Mo, Zr, Sr, Sc, B, a matrix element Al, and an unavoidable impurity element. In the aluminum alloy material, both Mo element and Zr element have a low content.

Abstract: The present application provides a use of a recombinant protein in preparing a drug for inhibiting aneurysm, which belongs to the field of biomedicine. Provided is a recombinant protein AGGF1 for use in preparing a drug for inhibiting aneurysm. The recombinant AGGF1 protein, by means of a receptor integrin ?7 thereof, can inhibit the TGF-?1 signaling pathway and vascular remodeling. Therefore, the recombinant AGGF1 protein inhibits aneurysm by inhibiting TGF-?1 synthesis and a signaling pathway thereof, and the recombinant protein achieves the inhibition of aneurysm by improving the structure and functions of blood vessels.

Abstract: A light-emitting device includes a semiconductor light-emitting stack and a distributed Bragg reflector (DBR) structure. The semiconductor light-emitting stack includes a light-emitting layer. The DBR structure is disposed on the semiconductor light-emitting stack and includes a plurality of first dielectric material layers and a plurality of second dielectric material layers that are alternately stacked on the semiconductor light-emitting stack. The first dielectric material layer has a first refractive index, and the second dielectric material layer has a second refractive index. The first refractive index is lower than the second refractive index. The second dielectric material layer has an optical thickness that is smaller than that of the first dielectric material layer.

Abstract: A light-emitting device includes a semiconductor light-emitting stack and a distributed Bragg reflector (DBR) structure. The semiconductor light-emitting stack includes a light-emitting layer. The DBR structure is disposed on the semiconductor light-emitting stack and includes a plurality of first dielectric material layers and a plurality of second dielectric material layers that are alternately stacked on the semiconductor light-emitting stack. The first dielectric material layer has a first refractive index, and the second dielectric material layer has a second refractive index. The first refractive index is lower than the second refractive index. The second dielectric material layer has an optical thickness that is smaller than that of the first dielectric material layer.

Abstract: An aluminum alloy material, an aluminum alloy structural component, a preparation method of an aluminum alloy structural component, a battery box, a battery system, an electric apparatus, and an application are provided. By mass percentage, the aluminum alloy material includes silicon element, copper element, titanium element, magnesium element, zinc element, manganese element, strontium element, a matrix element Al, and unavoidable impurity elements. The aluminum alloy material includes no Al2Cu phase or includes a small amount of Al2Cu phase.

Abstract: An automated weaning method for respiratory care, the method being executed by a controller, and the controller being configurable with different at least one weaning strategy. The method includes setting, based on at least one input by a user, a target weaning strategy among the at least one weaning strategy, where the at least one input corresponds to a clinical decision determined by the user.

Abstract: The present disclosure provides a task process management method, a system, a device, a medium, and a program product. The method includes: obtaining an account type of a triggering account that triggers a viewing operation, and node information of multiple task nodes in a task process, in response to the viewing operation for the task process, wherein the node information indicates an account type set that has access permission to the task nodes; determining a target task node that matches the triggering account from the multiple task nodes according to the account type of the triggering account and the node information of the multiple task nodes in the task process; displaying the target task node in the task process to enable the triggering account to execute a triggering operation for the target task node for task processing.

Abstract: A semiconductor light-emitting device includes a semiconductor light-emitting stack and an insulating light-transmissive layer. The semiconductor light-emitting stack includes an active layer and has a light-emitting surface. The insulating light-transmissive layer is disposed on the light-emitting surface and includes a base and a grade index structure. The base has a first refractive index. The grade index structure is disposed on the base in a way that the base is disposed between the semiconductor light-emitting stack and the graded index structure. The graded index structure includes at least two films and has a gradually varying refractive index which gradually decrease in a direction away from the base, and which is greater than the first refractive index. A light-emitting apparatus including the semiconductor light-emitting device and a sealing resin is also provided.

Abstract: The present invention discloses a skeleton sequence recognition method based on a masked graph autoencoder, including the following steps: building a skeleton action recognition model, using the skeleton action recognition model to recognize a skeleton sequence, and implementing prediction of an action category, where said skeleton action recognition model includes a spatio-temporal representation learning model at a M layer and a classifier at one layer; and said spatio-temporal representation learning model includes two masked graph autoencoders connected in parallel, and an output end of the masked graph autoencoder is residually connected to an input end thereof through 1×1 convolution.

Abstract: The present disclosure provides a light-emitting diode chip, which includes a substrate, an epitaxial structure, an electrode metal layer, and a eutectic metal layer. The eutectic metal layer has an elongation greater than that of the electrode metal layer, and a hardness less than that of the electrode metal layer.