Abstract: This disclosure relates generally to video coding/decoding and particularly for evaluating codec performance. One method includes obtaining a first plurality of anchor data points; obtaining a second plurality of test data points; analyzing monotonicity conditions of the first plurality of anchor data points and the second plurality of test data points; determining a fitting algorithm based on the analyzed monotonicity conditions; fitting the first plurality of anchor data points with the fitting algorithm to obtain an anchor curve; fitting the second plurality of test data points with the fitting algorithm to obtain a test curve; and evaluating the test codec performance based on the anchor curve and the test curve, to obtain an evaluation result.

Abstract: A Lactobacillus plantarum 121-5 is disclosed. The preservation number is CGMCC No. 27418, and the Lactobacillus plantarum is preserved in the China general microbiological culture collection center on May 24, 2023. The Lactobacillus plantarum 121-5 has high beta-glucosidase activity, can efficiently convert polydatin to prepare resveratrol, and has short conversion time and high conversion rate. Meanwhile, the conversion condition is mild, safe and reliable, and the large-scale preparation is easy. The strain is directly applied to fermentation of foods and medicines (edible and medicinal plants or fruits and vegetables) containing polydatin, so that the resveratrol content in a fermentation product is improved, and the biological activity of the product is improved.

Abstract: A method for upgrading pyrolysis oil includes contacting a pyrolysis oil feed with hydrogen in the presence of a mixed metal oxide catalyst in a first fixed-bed reactor, where: the pyrolysis oil feed comprises multi-ring aromatic compounds comprising greater than or equal to sixteen carbon atoms, and contacting the pyrolysis oil feed with hydrogen in the presence of the mixed metal oxide catalyst in the first fixed-bed reactor to convert at least a portion of the multi-ring aromatic compounds in the pyrolysis oil feed to di-aromatic compounds, tri-aromatic compounds, or both, passing an intermediate stream comprising the di-aromatic compounds, tri-aromatic compounds, or both to a second fixed-bed reactor downstream of the first fixed-bed reactor; and contacting the intermediate stream with hydrogen in the presence of a mesoporous supported metal catalyst in a second fixed-bed reactor.

Abstract: Processes and devices for reducing impurities in halogen salts, where the halogen salt is brought into contact with an active metal. The halogen salts purified in this way are suitable for use as high-temperature storage materials in thermal power plants and for industrial process heat, or as electrolytes in batteries.

Abstract: This application provides an uplink transmission method and a communication apparatus. In the method, a terminal device may determine, based on an RRC parameter and/or indication signaling from a network side, according to a predefined selection policy, based on a combination of supported carriers that may be for parallel sending, in a predefined manner, or based on one or a combination of any two or more of these implementations in a plurality of possible radio frequency chain state supporting current uplink transmission, a radio frequency chain state that is during the current uplink transmission.

Abstract: The present invention discloses an electric folding vehicle, including a front wheel frame, a first vehicle frame, a second vehicle frame, a chair frame, and a linkage mechanism. The linkage mechanism includes a first linkage rod with a first end rotatably connected to the front wheel frame and a second end rotatably connected to the second vehicle frame, and a second linkage rod with a first end rotatably connected to the second end of the first linkage rod and a second end connected to the chair frame. By providing a linkage mechanism, when the first vehicle frame and the second vehicle frame are folded and collapsed, the present invention can drive the front wheel frame to fold synchronously with the chair frame, so as to achieve rapid folding and collapsing of the electric folding vehicle, and make the electric folding vehicle more convenient to carry.

Abstract: A live human face detection method includes: obtaining an image frame comprising a human face of a target object to be detected, obtaining texture information and deformation information corresponding to the human face in the image frame, performing feature extraction on the texture information through a live human face detection model, to obtain a texture feature, and performing feature extraction on the deformation information, to obtain a deformation feature; concatenating the texture feature and the deformation feature, to obtain a concatenated feature, and outputting a live human face prediction score through the live human face detection model based on the concatenated feature; and determining that the human face in the image frame is a live human face in response to that the live human face prediction score is greater than or equal to a live human face threshold.

Abstract: This disclosure provides an optical module including a lens assembly and an optical fiber holder. One end of the lens assembly is provided with a wrapping cavity, in which a second lens is disposed. An optical fiber is inserted in the optical fiber holder, with a gap formed between a fiber end-face of the optical fiber and the second lens. The fiber end-face of the optical fiber and a first end face of the optical fiber holder are inclined surfaces. The wrapping cavity includes a stop protrusion. A surface of the stop protrusion facing towards the optical fiber holder is an inclined stop surface, which is in contact with the first end face. The stop surface and the first end face of the optical fiber holder are inclined surfaces, achieving connection between the optical fiber holder and the lens assembly along a length direction of the lens assembly.

Abstract: A vehicle ADAS calibration device, including: a support platform; a lifting mechanism, foldable on the support platform, the lifting mechanism being hinged to the support platform; and an foldable arm mechanism, foldable on the lifting mechanism. The foldable arm mechanism is mounted on the lifting mechanism. By folding the foldable arm mechanism onto the lifting mechanism, the width of the vehicle ADAS calibration device can be reduced; and by folding the lifting mechanism onto the support platform, the height of the vehicle ADAS calibration device can be reduced, thereby facilitating storage and transportation.

Abstract: The present disclosure relates to the fields of radiopharmaceuticals and nuclear medicine and provides a precursor composition of HER2 affibody, comprising: HEPES, sodium glucoheptonate, stannons chloride and an HER2 affibody, wherein the composition is free of vitamin C and cysteine, and the composition is a lyophilized powder.

Abstract: Provided are a sidelink communication method, a terminal device, and a network device. The method comprises: a terminal device acquiring first information, wherein the first information is used for determining one or more interlaces that are in a resource pool and correspond to a sub-channel. When sidelink communication is performed based on an unlicensed spectrum, a terminal device may determine, based on first information, an interlace corresponding to a sub-channel, that is, establish a correspondence between a sub-channel and an interlace.

Abstract: A cluster block housing for electrical leads includes a plurality of connected casings that are separable and identically shaped. Each casing of the plurality of casings includes a plug-receiving aperture. Adjacently connected two casings of the plurality of casings are adapted to be positioned adjacently at a plurality of positions relative to each other. Each of plurality of positions corresponds to a distinct distance between the plug-receiving apertures of the two adjacent casings. The plug-receiving apertures are maintained in a row in each of the plurality of positions.

Abstract: A peripheral input device module is connectable to a main control device to provide electrical signal(s) in response to a user interaction. The input device comprises one or more thermo-formable non-metallic conductive sensing electrodes configured to provide electrical signal(s) in response to a change in capacitance between (i) a sensing portion of the respective sensing electrode and a conductive object, and/or (ii) a sensing portion of the respective sensing electrode and a sensing portion of another of the one or more sensing electrodes or another sensing portion of the respective sensing electrode. At least one of the sensing electrodes comprises one or more connector portions that form an electrical connector. Each connector portion is configured to electrically connect to a respective electrical contact of a capacitive sensing circuit of the main control device for measuring the electrical signals.

Abstract: The present application relates to the technical field of display, in particular to an organic electroluminescent material composition and an application thereof. The organic electroluminescent material composition of the present application comprise compound N and compound M, compound N and compound M cooperate with each other, resulting in an organic electroluminescent device comprising this material with better lifespan, lower driving voltage and higher efficiency at the same time.

Abstract: Oligoesters and polyesters comprising one or more (e.g., a plurality) of crosslinkable and/or crosslinked clickable groups (e.g., capable of or formed by click reactions, respectively). methods of making same. and uses of same. In various examples, a method forms objects by irradiating compositions comprising crosslinkable oligoesters and polyesters and, optionally, solvent (e.g., crosslink-able solvent), crosslinking reagent, and/or crosslinking initiator, with electromagnetic radiation and/or by heating the compositions. In various examples, a method forms films, fibers, and other 3D objects. In various examples, biodegradable and/or elastomeric materials comprising crosslinked oligoesters and polyesters are useful in devices (e.g., microfluidic devices, lab on a chip, drug delivery devices, and the like), scaffolds, tissue grafts, skin patches, and the like. In various examples, methods are additive manufacturing methods, (e.g., 3D printing methods, such as, for example, digital light processing (DLP)).

Abstract: A fluorocarbon/palladium/magnesium-scandium hydrogen-chromic film and a preparation method thereof are provided. The film includes a magnesium-scandium composite film layer, a palladium catalytic layer, and a fluorocarbon film layer that are sequentially arranged on a substrate. The preparation method includes: growing the magnesium-scandium composite film layer on the substrate first, then growing the palladium catalytic layer in situ on the magnesium-scandium layer, and finally depositing the fluorocarbon film layer on Pd. According to the present invention, the catalytic effect of palladium is utilized to promote reversible conversion between hydrogen and hydrogen atoms during hydrogen absorption and dehydrogenation stages, and a composite scandium element is added to accelerate diffusion of the hydrogen atoms in a magnesium matrix and accelerate formation and decomposition of a hydride, such that the film can be repeatedly and rapidly switched between a reflective state and a transparent state.

Abstract: The hinge mechanism includes a main shaft, a synchronization assembly, a first housing mounting bracket, and a second housing mounting bracket. The first housing mounting bracket and the second housing mounting bracket are located on two opposite sides of the main shaft, and the synchronization assembly is located between the first housing mounting bracket and the second housing mounting bracket. The synchronization assembly includes a first connecting rod, a second connecting rod, and a third connecting rod. The first connecting rod and the third connecting rod are rotatably connected via the second connecting rod, the first connecting rod is rotatably connected to the main shaft. The third connecting rod is slidably connected to the second housing mounting bracket. The first housing mounting bracket is provided with a first track slot, and the first connecting rod slides along the first track slot.

Abstract: Techniques and apparatuses are described for an earbud with low enoise. An electronic device includes: a flexible printed circuit (FPC) having first, second, and third regions, the FPC being shaped to form multiple layers including first, second, and third layers, the second region forming the second layer and being between the first layer formed by the first region and the third layer formed by the third region. The electronic device further includes a multi-layer board (MLB) in the first region. A battery connected to the FPC in the first region and disposed between the first and second regions. A speaker connected to the FPC in the second region and disposed between the second and third regions. Charger pins connected to the FPC in the third region. A microphone connected to the FPC in the third region. An infrared sensor connected to the FPC in the third region.

Abstract: A U-shaped plate for a weighing module and a weighing module having the same are disclosed. The U-shaped plate includes an upper end surface connecting a first and second side surface, each including a bottom end and an upper portion together forming four corners of the U-shaped plate and providing an inverted U-shaped structure formed by bending a flat and straight metal sheet. A lower width of the U-shaped plate is greater than an upper width thereof. The U-shaped plate includes an opening for mounting a sensor which extends from the bottom end of the first side surface to the upper portion of the second side surface via the upper end surface. Each of the four corners provide a recessed structure. When used with a weighing module, the U-shaped plate matches the sensor. An integrated molding design overcomes defects and, realizes safety and practicability.

Abstract: This application provides a hinge mechanism and an electronic device. One example hinge mechanism includes a base, and a first rotating assembly and a second rotating assembly that are respectively disposed on two sides of the base. When the first rotating assembly and the second rotating assembly rotate toward each other, a length of the hinge mechanism may be increased; or when the first rotating assembly and the second rotating assembly rotate opposite to each other, a length of the hinge mechanism may be shortened, and a support surface for supporting a flexible display can be formed.