Abstract: A method for preparing 2-alkylanthracene includes the step of separating 2-alkylanthracene from a reaction product of anthracene alkylation reaction. The anthracene alkylation reaction is a reaction of anthracene and an alkylation reagent under an alkylation condition and in the presence of an alkylation reaction solvent and a catalyst. The reaction product of the anthracene alkylation reaction contains anthracene and the product of a series of alkylanthracenes containing 2-alkylanthracene.

Abstract: A device for automatically installing a lamp tube of an intelligent LED lamp cap, including a first feeding device for feeding a heat sink base and a second feeding device for feeding a LED lamp bead out to an outlet of the first feeding device and assembling the LED lamp bead with the heat sink base. A third feeding device is arranged on a side of the first feeding device for feeding a lamp tube. A positioning-mounting mechanism is arranged on a side of the third feeding device and is configured to assemble the heat sink base with a lamp tube. A lead wire threading device is arranged on a side of the positioning-mounting mechanism and is configured to guide a lead wire of the LED lamp bead to pass through a mounting hole on the heat sink base.

Abstract: An antenna switching circuit includes: a first switching circuit and a second switching circuit. The first switching circuit is electrically connected with at least two first radio frequency paths and at least two first antennas, respectively. In a first state, one of the first radio frequency paths is connected with one of the first antennas, and an operating band of one of the first radio frequency path is a first frequency band; the second switching circuit is electrically connected with at least two second radio frequency paths and at least two second antennas, respectively. In a second state, one of the second radio frequency paths is connected with one of the second antennas, and an operating band of one of the second radio frequency band is a second frequency band. The first frequency band is lower than the second frequency band.

Abstract: A display method applied to an electronic device having a foldable screen includes: in response to the foldable screen being in a folded state, the electronic device controls the foldable screen to display a first interface of a first application, where the first interface is a cloud desktop interface of a first operating system; and in response to the foldable screen changing from the folded state to an unfolded state, the electronic device controls the foldable screen to simultaneously display the first interface and a second interface of a second operating system loaded by the electronic device.

Abstract: The present application belongs to the field of bioinformatic analysis, and discloses an analysis method and analysis processing apparatus for loss of heterozygosity (LOH) of human leukocyte antigen (HLA). Directed to the detection demands for relapse after transplantation caused by HLA Loss and based on Next Generation Sequencing (NGS) data, the present application provides an analysis method and analysis processing apparatus for HLA Loss, which is capable of conveniently achieving the flow and in-batch operation. The present application has low workload of artificial interpretation, and can accurately detect the presence of HLA Loss or not in a sample and thus has significant meaning to the relapse after transplantation caused by HLA Loss.

Abstract: Certain aspects of the present disclosure provide techniques for configuring parameters for small data transfer (SDT) transmissions. One example technique provides a method for wireless communications at a user equipment (UE), involving: obtaining configuration information received from a network entity, the configuration information indicating a plurality of configurations for small data transfer (SDT) transmission, determining at least one of a transport block size (TBS) or data threshold for SDT transmission based on one of the configurations, and outputting for transmission one or more SDT transmissions based on the determination.

Abstract: The present invention relates to the field of anode materials for batteries, and in particular, relates to a silicon-based composite material with a pomegranate-like structure. The silicon-based composite material with the pomegranate-like structure is composed of nano-silicon particles, exfoliated graphite, and a filler modification layer. The nano-silicon particles are dispersed in pores inside the exfoliated graphite. The filler modification layer is filled in the nano-silicon particles or filled between the nano-silicon particles and the exfoliated graphite. The present invention provides the silicon-based composite material with the pomegranate-like structure and a method for preparing the same, whereby a volumetric expansion effect can be reduced, and a cycle performance and a rate performance can be improved.

Abstract: The present invention provides compounds, compositions thereof, and methods of using the same.

Abstract: An Aureobasidium pullulans recombinant strain with high-yield heavy oil and a construction method and application thereof are provided. The Aureobasidium pullulans recombinant strain is obtained by knocking out a pullulan synthetase PUL gene while overexpressing an ACL gene. The obtained Aureobasidium pullulans recombinant strain can significantly increase the yield of heavy oil. After 7-day fermentation with xylose as carbon source, the yield of the heavy oil of the recombinant strain reaches 19.4372 g/L, while the yield of the heavy oil of the original strain is 10.0325 g/L, i.e. the recombinant strain improves the yield by 93.74% compared with the original strain.

Abstract: Methods, systems, and apparatus for operations for processing fingerprint images. An example system includes obtaining an original fingerprint trace image of a fingerprint trace left by a user on a target object; inputting the original fingerprint trace image to a pre-trained fingerprint image processing model that is configured to process the original fingerprint trace image in accordance with pre-trained parameters of the pre-trained fingerprint image processing model; obtaining as output a target fingerprint trace image from the fingerprint image processing model; and using the target fingerprint trace image as a test fingerprint image for performing a test on a fingerprint recognition device, wherein a degree of matching between a fingerprint in the target fingerprint trace image and a real fingerprint that corresponds to a same finger is greater than or equal to a predetermined threshold.

Abstract: An enzymatically produced ?-glucan oligomer/polymer compositions is provided. The enzymatically produced ?-glucan oligomer/polymers can be derivatized into ?-glucan ether compounds. The ?-glucan oligomers/polymers and the corresponding ?-glucan ethers are cellulose and/or protease resistant, making them suitable for use in fabric care and laundry care applications. Methods for the production and use of the present compositions are also provided.

Abstract: Disclosed is a display apparatus, comprising a first display region serving as a fingerprint identification region and a second display region serving as a display region, and comprising a display layer and a driver layer stacked in a stacking direction perpendicular to a plane where the display apparatus is placed. The display layer comprises a first electrode layer and a second electrode layer stacked in the stacking direction, and the driver layer comprises a plurality of driver units. In the first display region, the first electrode layer has a first part corresponding to the first display region, the second electrode layer has a second part corresponding to the first display region, and a projection of the first part in the stacking direction and a projection of the second part in the stacking direction are not completely overlapped.

Abstract: The systems and methods are configured to efficiently and effectively include processing capabilities in memory. In one embodiment, a processing in memory (PIM) chip a memory array, logic components, and an interconnection network. The memory array is configured to store information. In one exemplary implementation the memory array includes storage cells and array periphery components. The logic components can be configured to process information stored in the memory array. The interconnection network is configured to communicatively couple the logic components. The interconnection network can include interconnect wires, and a portion of the interconnect wires are located in a metal layer area that is located above the memory array.

Abstract: In the method of present application, a terminal device obtains resource indication information. The resource indication information indicates frequency domain resources of a data channel of a terminal device. The resource indication information comprises S bits, where S is a positive integer. The terminal device determines the frequency domain resources of the data channel of the terminal device based on the resource indication information.

Abstract: A housing for shielding a sensor from a radiofrequency field and an imaging system including the same are provided in the present disclosure. The imaging system may include a magnetic resonance imaging (MRI) device. The housing may include a plurality of walls forming at least a part of a cavity for accommodating a sensor of the imaging system. At least one of the plurality of walls may include a substrate and a multi-layered structure disposed on the substrate. The multi-layered structure may include a plurality of metallic layers. At least one pair of adjacent layers of the plurality of metallic layers may include slits. The slits of the at least one pair of adjacent layers may be staggered.

Abstract: Provided is a method for preparing rebaudioside N using an enzymatic method, comprising using rebaudioside A or rebaudioside J as a substrate, and making the substrate, in the presence of a glycosyl donor, react under the catalysis of a UDP-glycosyl-transferase and/or a UDP-glycosyltransferase-containing recombinant cell to generate rebaudioside N.

Abstract: The present invention provides a method for detecting motor initial phase and phase sequence and a system for controlling a permanent-magnet synchronous motor. The method is applied to the system and comprises sequentially acquiring, through an encoder, first displacement data which register the encoder's reading when a rotor spins to a Q-axis, second displacement data which register the encoder's reading when the rotor spins from the Q-axis to a D-axis, third displacement data which register the encoder's reading when the rotor spins from the D-axis to a negative Q-axis and fourth displacement data which register the encoder's reading when the rotor spins from the negative Q-axis to the D-axis; obtaining an initial phase of the motor to be detected according to the second displacement data, the fourth displacement data and the encoder's CPR; and determining the phase sequence of the motor based on the first displacement data, the second displacement data and the encoder's CPR.

Abstract: A memory evaluation method and apparatus are provided. The method includes: determining a health degree evaluation model indicating a relationship in which a health degree of a memory changes with at least one health degree influencing factor of the memory; obtaining at least one running parameter value corresponding to each of the at least one health degree influencing factor; separately matching the at least one running parameter value corresponding to each health degree influencing factor to the health degree evaluation model, to obtain the health degree of the memory; and outputting health degree indication information which indicate whether the memory needs to be replaced. Therefore, the memory is not faulty and the health degree of the memory is a relatively low, a user is prompted to replace the memory.

Abstract: The present invention belongs to the technical field of material fabrication, and particularly relates to an ultra-sensitive glucose sensor based on a graphene and carbon fiber substrate and a fabrication method thereof. The method includes fabricating a carbon fiber cloth with vertical graphene growth on a surface thereof, performing pretreatment to make the carbon fiber cloth hydrophilic, directly soaking the carbon fiber cloth in a PBS solution of glucose oxidase with the pH of 7.4, and then taking out and drying the carbon fiber cloth at room temperature to obtain a glucose sensor. According to the present invention, the lower limit of glucose detection reaches about 0.1 mM, and the glucose sensor also has multistage corresponding characteristics, so that different detection coefficients and capabilities can be achieved in different glucose concentration ranges. The application range and precision of the glucose sensor are greatly improved.

Abstract: A buckle assembly includes a first buckle component, a second buckle component and an operating component. The first buckle component includes a locked portion. The second buckle component includes a locking portion. The locking portion engages with the locked portion along a lateral direction of the buckle assembly when the second buckle component is mated with the first buckle component along a mating direction. The operating component is partially embedded in and partially exposed out of the second buckle component. The operating component is slidable relative to the second buckle component. The operating component drives the locking portion to move away from the locked portion for disengaging the locking portion from the locked portion during a sliding movement of the operating component relative to the second buckle component. The present invention has advantage of saving labor and easy operation.