Abstract: The invention relates to a GDSL lipase, genetically-engineered bacteria and an application thereof. The GDSL lipase is derived from Streptomyces diastaticus CS1801 and its amino acid sequence is as shown in SEQ ID NO.2. After construction of a genetically-engineered bacterium strain, a GDSL lipase is generated through fermentation. Through this enzyme, vitamin A and palmitic acid are converted to produce vitamin A palmitate. The content of the vitamin A palmitate obtained from the conversion is 16.35 mg/L at most. The conversion efficiency is 81.75% at most. This lipase provides a new path to synthesize vitamin A palmitate by the enzymatic method and has an important application prospect.

Abstract: A compact, wide-field-of-view head-up display system, comprising: 1) A micro-display chip; 2) A transparent optical element positioned at a certain distance from the display chip. The optical element further includes a phase modulation layer, a semi-reflective/transparent layer, and a phase compensation layer. The phase modulation layer controls the light from the micro-display chip in a specific way, such that the light forms a virtual image at a distance. The phase modulation surface can be a multilayer holographic structure or a Fresnel lens. The surface profile of the Fresnel lens can be derived from a sphere, an aspheric surface, a freeform surface, or a hologram. The phase compensation layer compensates for the phase variations from the phase modulation layer, making the light passing through the transparent element appear transparent.

Abstract: The invention discloses an optical display system based on a self-luminous display chip and light waveguides. The coupling-in and/or coupling-out devices each include a set of light combining devices, allowing the red, green, and blue display regions at different positions to coincide, forming a full-color image. The technical solution of this application overcomes the difficulty of forming red, green, and blue sub-pixels separately on the self-luminous display chip, enabling the realization of a high-resolution, ultra-compact display device.

Abstract: A method and apparatus for channel monitoring, a terminal, and a network device are provided. The method includes the following. If M control resource sets (CORESETs) exist in overlapping physical downlink control channel (PDCCH) monitoring occasions on an active downlink (DL) bandwidth part (BWP), and repeated PDCCHs exist in PDCCH candidates associated with the M CORESETs, a terminal monitors a PDCCH in the M CORESETs, where M is an integer greater than or equal to 1. Therefore, the PDCCH can be monitored in the CORESET associated with PDCCH repetitions, PDCCH reliability can be improved, and flexibility, stability, and reliability of system communication can be ensured.

Abstract: The present disclosure provides a flexible LED light-emitting lamp strip including a long strip-shaped flexible circuit substrate as well as a plurality of light-emitting units arranged in a length direction of the circuit substrate and welded to the circuit substrate. The plurality of light-emitting units are connected in parallel with one another, and each of the plurality of light-emitting units includes a front light-emitting LED lamp bead, a first side light-emitting LED lamp bead and a second side light-emitting LED lamp bead.

Abstract: Provided is a method for determining a number of bits, an electrical device, and a storage medium. The method includes the following. Obtain service information of a first service and service information of a second service, where the first service and the second service are carried in the same physical uplink control channel (PUCCH). Obtain the number of bits of hybrid automatic repeat request (HARQ) feedback information of the PUCCH according to configuration information, the service information of the first service, and the service information of the second service, where the configuration information is used for recording a configuration parameter for a channel for transmitting the first service and the second service.

Abstract: Disclosed in the present disclosure are a new fluorescent powder capable of promoting plant growth under sunlight and preparation and use thereof. The fluorescent powder has a chemical formula of Sr4Al14O25: xMn4+, yMg2+, zLn3+. Compounds are weighed according to a stoichiometric ratio of various chemical components in the chemical formula; a fluxing agent is added and uniformly mixed; and a resulting mixture is calcined, naturally cooled to room temperature, and then ground to obtain the new fluorescent powder. The fluorescent powder has can emit red light that is conducive to plant growth, improves the utilization rate of sunlight, promotes plant growth, and is low in cost, high in efficiency, green and pollution-free.

Abstract: The present disclosure disclosed a fluorescent powder capable of promoting plant growth and preparation and use thereof. The fluorescent powder is formed by doping Ee2+ in a halophosphate containing Rb+, and has a crystal structure of Prima and a chemical formula of RbyK2-yCaPO4F:yEu2+ The fluorescent powder is prepared by high temperature solid-state method, emits red light beneficial to plant growth under irradiation of an ultraviolet lamp or light in an ultraviolet light region to a blue light region of sunlight, can improve the utilization rate of light energy, promotes plant growth, and has a low cost, no pollution, high efficiency and no consumption of electric energy.

Abstract: A positive electrode for a lithium-ion battery is provided. Opposite cleaning regions are provided respectively on opposite sides of the positive electrode in a thickness direction thereof for welding with a welding end of a tab. A notch is formed on a side of the cleaning regions close to an edge of the positive electrode in a width direction thereof. The notch penetrates the positive electrode in the thickness direction and a part of the tab which is corresponding to the notch in a width direction of the positive electrode is a matching part, the matching part is enabled to be provided in the notch. D1 is greater than D2, where D1 represents a dimension of a part of the cleaning regions intersecting an edge of the notch in a length direction of the positive electrode, and D2 represents a maximum dimension of the notch in the length direction.

Abstract: The present application provides an automobile seat cushion comprising: a body shaped like a flat sheet that has a top surface in contact with the buttocks of a user and a bottom surface in contact with an automobile seat; a plurality of protrusions that are distributed under the bottom surface of the body and provided to vertically protrude downward from the bottom surface, the plurality of protrusions being formed integrally with the body of the seat cushion; and a plurality of vertical ventilation holes that are formed to be recessed downward from the top surface of the body, the plurality of vertical ventilation holes and the plurality of protrusions being in one-to-one correspondence vertically, wherein each vertical ventilation hole of the plurality of vertical ventilation holes vertically extends downward beyond the bottom surface of the body from the top surface of the body, and enters into a corresponding protrusion but does not penetrate through a bottom of the corresponding protrusion, and wherein

Abstract: A method for transmission configuration indicator (TCI) state determination is provided. The method includes the following. Receive higher-layer configuration information. Determine N control resource sets (CORESETs) and at least one TCI state of each of the N CORESETs based on the higher-layer configuration information. Determine a target CORESET from the N CORESETs; and determine a target TCI state from at least one TCI state of the target CORESET.

Abstract: The invention relates to a GDSL lipase, genetically-engineered bacteria and an application thereof. The GDSL lipase is derived from Streptomyces diastaticus CS1801 and its amino acid sequence is as shown in SEQ ID NO.2. After construction of a genetically-engineered bacterium strain, a GDSL lipase is generated through fermentation. Through this enzyme, vitamin A and palmitic acid are converted to produce vitamin A palmitate. The content of the vitamin A palmitate obtained from the conversion is 16.35 mg/L at most. The conversion efficiency is 81.75% at most. This lipase provides a new path to synthesize vitamin A palmitate by the enzymatic method and has an important application prospect.

Abstract: A method for resource identifier determination and related apparatuses are provided. The method includes the following. Receive higher-layer configuration information. Determine a first transmission resource of a first transmission point and a second transmission resource of a second transmission point at least according to the higher-layer configuration information. Receive downlink control information (DCI) according to the first transmission resource and the second transmission resource. Determine a physical uplink control channel (PUCCH) resource identifier at least according to the higher-layer configuration information and the DCI.

Abstract: The present disclosure provides a vacuum food processor, comprising: a base, a vacuum blender jar, and a lid assembly. A vacuum air extraction device is disposed inside the base; and the lid assembly comprises a lid body, a main sealing ring, a vacuum status indicator, a first vacuum air extraction channel, a second vacuum air extraction channel, and a pressure relief device, wherein the vacuum status indicator comprises a deformable deforming portion, such that under the action of atmospheric pressure, the vacuum status indicator is compressively deformed toward an inner cavity of the vacuum blender jar.

Abstract: An information display method and an apparatus are described wherein a terminal obtains a first operation entered by a user. The terminal further obtains at least one key character based on the first operation. The terminal further determines that characteristic information associated with the key character is stored, and displays target information associated with the characteristic information. The target information is information that is in a set of information associated with the key character and that is associated with the characteristic information. The method can improve information display precision.

Abstract: The present disclosure provides a flexible LED light-emitting lamp strip including a long strip-shaped flexible circuit substrate as well as a plurality of light-emitting units arranged in a length direction of the circuit substrate and welded to the circuit substrate. The plurality of light-emitting units are connected in parallel with one another, and each of the plurality of light-emitting units includes a front light-emitting LED lamp bead, a first side light-emitting LED lamp bead and a second side light-emitting LED lamp bead.

Abstract: A Dendrobium officinale oligosaccharide, a Dendrobium officinale oligosaccharide derivative and a preparation method and use thereof. The Dendrobium officinale oligosaccharide includes 3-9 glycoside residues and a glucose residue at a non-reducing end; the derivative thereof is obtained by substituting with a hydrophobic residue at the non-reducing end; the preparation method and use of both are also provided.