Abstract: According to embodiments of the present disclosure, there are provided a method, device, medium, and product for state prediction. The method includes: obtaining a neural network, the neural network being trained to determine a state change of a physical system over time, training data of the neural network indicating states of a plurality of physical systems at a plurality of times; obtaining state data corresponding to a state of a target physical system at a first time; determining respective unit feature representations of the physical units in the target physical system based at least on target values of material properties of the physical units; and determining a state of the target physical system at a second time based on the state data by inputting at least the unit feature representations to the neural network. Through the above solution, generalization capability of the neural network can be significantly improved.

Abstract: The disclosure relates to a method, an apparatus, a storage medium, an electronic device, a computer program product, and a computer program for feature extraction, device. The method includes: determining target data for a feature to be extracted, and determining, based on the target data, a plurality of query vectors, a plurality of key vectors, and a plurality of value vectors; determining a plurality of key-value pair information corresponding to each of the query vectors; and performing, for each of the query vectors, a random mapping based on the query vector and the plurality of data samples, to obtain a plurality of random query vectors, and determining feature information corresponding to the query vector based on the plurality of random query vectors and the plurality of key-value pair information.

Abstract: An active human milk oligosaccharide (HMO) preparation with an allergy-alleviating function is provided. The active HMO preparation includes one or more of lacto-N-fucopentaose I (LNFP-I) and 2?-fucosyllactose (2?-FL). A part of these two HMOs ingested by a human body can enter a circulatory system to regulate the immune cell populations and the cytokine secretion, so as to directly affect an immune system of the human body and well alleviate the allergies in some infants and young children. In addition, for infants and young children who have a human milk without 2?-FL and LNFP-I, the active HMO preparation can supplement the nutrients of the human milk.

Abstract: According to implementations of the present disclosure, a method, apparatus, device and medium for managing molecular prediction is provided. In the method, an upstream model is obtained from a portion of network layers in a pretrained model, the pretrained model describing an association between a molecular structure and molecular energy. A downstream model is determined based on a molecular prediction purpose, and an output layer of the downstream model is determined based on the molecular prediction purpose. A molecular prediction model is generated based on the upstream model and the downstream model, the molecular prediction model describing an association between a molecular structure and a molecular prediction purpose associated with the molecular structure. Since the upstream model may have extensive knowledge related to molecules, the amount of training data required to train the molecular prediction model that is generated based on the upstream model and the downstream model may be reduced.

Abstract: An electronic device and a method of forming the same are disclosed. An emitter resonator and a reception cap cavity are formed on and in a first wafer, and an emitter cap cavity and a reception resonator are formed in and on a second wafer. After bonding together the first and second wafers, an emitter filter is formed in an emission region, and a reception filter is formed in a receiving region. The method provided in the present invention not only can simplify the fabrication process of the device and improve its accuracy and stability, but also facilitates integration of the emitter and receives filters in a same chip, which results in a higher degree of integration of the device and a more compact package size thereof.

Abstract: Disclosed is a method for monitoring the influence of defects in a few-layer two-dimensional material on exciton transport. The method includes: measuring an original few-layer two-dimensional material sample to obtain a first transient absorption dynamic curve; fitting the first transient absorption dynamic curve to obtain a first exciton lifetime; acquiring first TAM images of exciton densities at different delay times; fitting the first TAM images to determine a first diffusion coefficient and a first diffusion distance; performing plasma treatment on the original few-layer two-dimensional material sample for different durations, and obtaining a second transient absorption dynamic curve; fitting the second transient absorption dynamic curve to obtain a second exciton; acquiring and fitting second TAM images of exciton densities at different delay times to determine a second diffusion coefficient and a second diffusion distance; and monitoring the influence of defects on exciton transport.

Abstract: An ultrathin glass-ceramic article is provided having an article thickness (t) of equal to or less than 0.3 mm and an outer surface followed towards the inside of the article by an outer layer and a central part. The glass-ceramic has a crystal phase and an amorphous phase and the outer layer includes the crystal phase. The article has a gradient structure or a layered structure.

Abstract: The present disclosure discloses an earphone. The earphone may include a hook-shaped component, a connecting component, and a holding component. When the earphone is in a wearing state, the hook-shaped component may be configured to hang between a rear side of an ear of a user and a head of the user. The holding component may be configured to contact a front side of the ear. The connecting component may be configured to connect the hook-shaped component and the holding component and extend from the head to an outside of the head to cooperate with the hook-shaped component to provide the holding component with a pressing force on the front side of the ear.

Abstract: The panoramic surround view system in the vehicle can control the projection device of the vehicle to project the preset pattern on the ground around the vehicle, acquire the plurality of target photographs including the preset pattern, and generate the target calibrating data of the surround view cameras according to the plurality of target photographs, so that the surround view cameras of the panoramic surround view system can be calibrated by using the target calibrating data to obtain the panoramic surround view image. Therefore, when the user needs to re-calibrate the calibrating data of the image splicing of the panoramic surround view system of the vehicle, the calibrating process can be completed by only by using the projection device of the vehicle, without using a special calibrating site and equipment, thus simplifying the calibrating operation steps and saving time.

Abstract: A single-photon Raman optical frequency comb source is provided, including: a light source assembly, a filtering mechanism, at least three electro-optical modulators, a wavelength division multiplexer and a single photon generating mechanism. The light source assembly is configured to generate a Raman scattering light. The filtering mechanism is configured to pass a light having a specific wavelength, to filter the Raman scattering light and obtain at least three Raman scattering spectral lines. Each electro-optical modulator is configured to modulate a frequency of one of the Raman scattering spectrum lines in one-to-one correspondence, so as to cause a frequency shift of the Raman scattering spectrum line. The wavelength division multiplexer is configured to multiplex all modulated Raman scattering spectral lines and output a Raman optical frequency comb. The single photon generating mechanism is configured to adjust the Raman optical frequency comb to obtain a single-photon Raman optical frequency comb.

Abstract: A flexible circuit board component includes a board body and a sampling terminal, wherein the sampling terminal is configured to collect the electrical data of the target component. The board body is provided thereon with a groove portion, wherein the groove portion penetrates the board body along a thickness direction of the board body so as to partition the board body into a main body part, a connecting part, and a deformable part. The connecting part is configured to connect the sampling terminal. The deformable part is connected to the main body part and the connecting part, and the deformable part is configured to undergo deformation so as to allow the connecting part to displace relative to the main body part.

Abstract: A steel-timber composite shear wall with layered steel plates and timber cover plates is provided in the present disclosure, including a rubber layer, with a first thin low yield point (LYP) steel plate and a second thin structural steel plate respectively arranged on both sides of the rubber layer. A first timber cover plate and a second timber cover plate are respectively arranged outside the first thin LYP steel plate and the second thin structural steel plate. The steel plate and the timber cover plate are fixed through self-tapping screws. The grain of the first and second timber cover plates are arranged obliquely, and the oblique angles are determined based on height and width of the timber cover plate. Compared with the prior art, the shear wall has the advantages of environment friendliness, good buckling restraint performance, high lateral stiffness, multi-stage load resisting mechanism, and high prefabrication rate.

Abstract: A carrier device applied to semiconductor processing equipment includes a base, a carrier element, and a position-limiting ring. The base includes a connection flow channel. a top surface of the base is configured to carry a wafer. The carrier element is stacked with the base and located under the base, a gas flow channel structure is formed between the carrier element and the base. A position-limiting ring structure is sleeved at an outer circumference of the base and configured to limit a position of the wafer. A gas blow cannel and a first uniform flow space are formed between an inner circumferential wall of the position-limiting ring structure and an outer circumferential wall of the base. The first uniform flow space communicates with the gas blow channel.

Abstract: An ultrathin glass-ceramic article is provided having an article thickness (t) of equal to or less than 0.3 mm and an outer surface followed towards the inside of the article by an outer layer and a central part. The glass-ceramic has a crystal phase and an amorphous phase and the outer layer includes the crystal phase. The article has a gradient structure or a layered structure.

Abstract: Devices for heating graphite for a vacuum sintering furnace are disclosed. In some examples, the device includes a heating unit. The heating unit includes a heating conductive strip, a fixing conductive block, a connecting conductive strip, and an isolating column. The plurality of heating conductive strips are connected end-to-end through the fixing conductive block to form a closed frame. One end of the connecting conductive strip is fixedly connected to one of the fixing conductive blocks, and the other end thereof is a free end. One of the two heating conductive strips communicated with the fixing conductive block provided with the connecting conductive strip is connected to the fixing conductive block through the isolating column. The plurality of heating units are disclosed. The heating conductive strips of the plurality of heating units connected to the isolating column are electrically connected through the connecting heating block.

Abstract: The present disclosure discloses an earphone. The earphone may include a hook-shaped component, a connecting component, and a holding component. When the earphone is in a wearing state, the hook-shaped component may be configured to hang between a rear side of an ear of a user and a head of the user. The holding component may be configured to contact a front side of the ear. The connecting component may be configured to connect the hook-shaped component and the holding component and extend from the head to an outside of the head to cooperate with the hook-shaped component to provide the holding component with a pressing force on the front side of the ear.

Abstract: A circuit board sampling structure includes: a circuit board, a busbar, and a connector. An edge of the circuit board is extended with a connecting arm, the busbar is provided with at least one plug hole, and a side of the connector is provided with at least one plug part, where the plug part is plugged in the plug hole, and an end of the connecting arm away from the circuit board is clamped between the connector and the busbar.

Abstract: A battery module sampling assembly includes a sampling module assembly and a battery management module assembly. The sampling module assembly includes a sampling unit in corresponding electrical connection with a battery module. The sampling unit includes a first collection terminal. The battery management module assembly includes a battery management module unit corresponding to the sampling unit. The battery management module unit has a second collection terminal matching the first collection terminal to electrically connect the battery management module unit to the sampling unit.

Abstract: IgG epitope and applications thereof as a target are provided. The IgG epitope is the CH1 domain of non-B cell-derived IgG, and there is N-glycosylated sialic acid modification at the Asn162 site of the domain. The realization of its antigen functions must depend on the sialylation of the site. The present invention further discloses the applications of the IgG epitope as a drug target in preparing drugs for diagnosis and/or treatment of epithelial tumors. In addition, our studies showed that this antigen depends on the sialylation of Asn162 site as a drug target, and the sialylation of this site must depend on sialyltransferase ST3GAL4, indicating that the enzyme can be used as a drug target for preparing tumor therapeutic drugs. Further, integrin ?4 is co-expressed and co-localized with IgG containing the epitope. IgG can be used as a marker for preparing drugs for the auxiliary detection of epithelial tumors.

Abstract: The present disclosure relates to a power supply device and a power consumption device. The present disclosure provides a power supply device, including: at least one power supply part, wherein each of the power supply parts is provided with at least one battery cell; and a temperature acquisition module, which includes a support frame and a temperature acquisition unit, wherein the support frame is configured to fix the temperature acquisition module relative to the power supply part, and the temperature acquisition unit is arranged on the support frame and the temperature acquisition unit is configured to be thermally connected to the power supply part to acquire information relative to temperature of the power supply part, wherein the support frame is integrally molded with the temperature acquisition unit.