Abstract: Various embodiments of the teachings herein include a method for predicting service life of a rolling bearing. An example includes: acquiring a first vibration signal of a rolling bearing; extracting a time-domain feature of the first vibration signal, wherein the time-domain feature represents a degradation state of the rolling bearing; entering the time-domain feature into a trained Seq2Seq model comprising an encoder and a decoder, the encoder comprising a bidirectional gated recurrent unit (BIGRU), the decoder comprising a long short-term memory model (LSTM), the BIGRU adapted to output a hidden state based on the time-domain feature, the LSTM is adapted to predict service life of the rolling bearing based on the hidden state; and generating the service life.

Abstract: Video decoding and encoding methods and apparatuses are provided. The decoding method includes: obtaining a first parameter set corresponding to a to-be-decoded video frame; determining an effective quantization matrix (QM) according to syntax elements included in the first parameter set, the effective QM being a QM actually used for inversely quantizing quantized transform coefficients during decoding of the to-be-decoded video frame; and decoding the effective QM.

Abstract: The disclosure provides a method, device and system for airtightness testing of a battery pack and a battery pack. The method for airtightness testing includes: placing a gas source device in a battery pack; sealing a case of the battery pack; detecting, in response to meeting a preset condition, concentration of a source gas in the battery pack, and determining whether the battery pack meets the airtightness standard. The system for airtightness testing includes a processor, a gas source device, a gas sensor, a first heating assembly used to heat a battery cell, and a second heating assembly used to heat the source gas. A battery management system can obtain a more accurate airtightness result by detecting the concentration of the source gas.

Abstract: A plant squalane composition, a preparation method thereof, and an application thereof are provided. The plant squalane composition includes at least 92.0 wt % of squalane by weight and 0.5-3.0 wt % of cyclosqualane by weight. The preparation method includes hydrogenating a plant squalene raw material, separating the squalane and impurities in a crude plant squalane composition by fractionation, and refining the plant squalane composition. Squalene in the plant squalene raw material accounts for at least 70.0 wt % of a total weight of the plant squalene raw material. A content of the squalane in the plant squalane composition is not less than 92.0 wt %, and a content of the cyclosqualane in the plant squalane composition is 0.5-3.0 wt %. The preparation method solves problems of the prior art that an organic solvent is needed for catalytic hydrogenation, safety and environmental protection are poor, and excessive cyclosqualane is generated in a side reaction.

Abstract: A data processing method includes, based on a transfer control parameter corresponding to a storage location transfer event of distributed business data in a distributed storage system within a first time, predicting a first transfer control parameter usable by the distributed storage system within a second time for the transfer event, obtaining a second transfer control parameter that the distributed storage system is capable of providing within the second time in a case that the storage location transfer event does not occur, and controlling a transfer of the distributed business data within the second time based on the first transfer control parameter and the second transfer control parameter.

Abstract: The present disclosure provides a pulse width modulation method, a pulse width modulation module and a display device. A display panel includes a pixel circuitry configured to receive a light-emission control signal and control a light-emitting element to emit light under the control of the light-emission control signal, and a display period includes a refresh frame and a maintenance frame. The pulse width modulation method includes: increasing at least one active pulse width of the light-emission control signal within the refresh frame so that the at least one active pulse width of the light-emission control signal is larger than a first active pulse width threshold; and/or decreasing at least one active pulse width of the light-emission control signal within the maintenance frame so that the at least one active pulse width of the light-emission control signal is less than a second active pulse width threshold.

Abstract: A plant squalane composition, a preparation method thereof, and an application thereof are provided. The plant squalane composition includes at least 92.0 wt % of squalane by weight and 0.5-3.0 wt % of cyclosqualane by weight. The preparation method includes hydrogenating a plant squalene raw material, separating the squalane and impurities in a crude plant squalane composition by fractionation, and refining the plant squalane composition. Squalene in the plant squalene raw material accounts for at least 70.0 wt % of a total weight of the plant squalene raw material. A content of the squalane in the plant squalane composition is not less than 92.0 wt %, and a content of the cyclosqualane in the plant squalane composition is 0.5-3.0 wt %. The preparation method solves problems of the prior art that an organic solvent is needed for catalytic hydrogenation, safety and environmental protection are poor, and excessive cyclosqualane is generated in a side reaction.

Abstract: There is provided a semiconductor device including: a lead frame including a first opening portion; a resin filled in the first opening portion; and a semiconductor element electrically connected to the lead frame, wherein a side wall surface of the lead frame in the first opening portion has a larger average surface roughness than an upper surface of the lead frame.

Abstract: Provided is the development and use of a novel immunomodulator. The immunomodulator is an antibody or an antigen-binding portion thereof that binds to CCR8. The antibody has a neutralizing activity in blocking CCL1/CCR8 axis, can inhibit CCL1-induced cell activation, and for low-affinity Fc?RIIIA158F allele carriers in the population, enhances the ADCC effect by means of Fc optimization.

Abstract: The present disclosure provides a method for remote assistance and device. 1. A method for remote assistance, the method comprising: determining a state of a machine deployed at a working site; adjusting a digital twin of the machine to be in the same state as the machine deployed at the working site; rendering the digital twin at a remote site using a remote rendering device to enable a remote person at the remote site to perform an operation on the digital twin; and mapping an effect of the operation rendered as visual assistance information onto the machine at the working site using a local rendering device deployed at the working site.

Abstract: A non-transitory computer-readable medium stores instructions readable and executable by at least one electronic processor (181, 182, 20) to perform an imaging method (100). The method includes: reconstructing emission imaging data to generate an emission image of a lesion; converting intensity values of the emission image to at least one standardized uptake value (SUV value) for the lesion; processing input data using a regression neural network (NN) (28) to output an SUV correction factor for the lesion, wherein the input data includes at least two of (i) image data comprising the emission image or a feature vector representing the emission image, (ii) the at least one SUV value, (iii) a size of the lesion, and (iv) reconstruction parameters used in the reconstructing; and controlling a display device (24) to display at least one of (I) the SUV correction factor and (II) a corrected SUV value generated by applying the SUV correction factor to the at least one SUV value.

Abstract: The disclosure provides, inter alia, compounds comprising Toll-like receptor 9-binding nucleic acid sequences and nucleic acid sequences comprising a microRNA-142 passenger strand sequence hybridized to a microRNA-142 guide strand sequence; pharmaceutical compositions comprising the compounds; and the use of the compounds and pharmaceutical compositions to treat myeloid leukemia.

Abstract: An apparatus and a method of controlling display, and a display device are provided, which is applicable to a field of display. The apparatus includes: a first control circuit configured to, in response to an instruction being detected, control a display device to enter a display transition period, allow a first control signal to be at an active level at a first predetermined time of the display transition period, and allow a second control signal to be at an inactive level at a second predetermined time of the display transition period; and a display circuit configured to, in response to a detection that the second control signal is at the inactive level, control the display device to display in the second display mode according to the first control signal during a display period, where the second control signal controls the display device to display in the first display mode.

Abstract: The present invention belongs to the field of biomedicine, which discloses a class of lipid compounds containing carbamate bond and applications thereof. The lipid compounds have the following structures: wherein the definitions of the various groups are described in the specification. The lipid nanoparticulate carriers prepared from the compounds described in the present invention exhibit excellent biocompatibility and safety as well as unexpected improvements in transfection efficiency, making them suitable for biomedical industrialization.

Abstract: Provided are indole alkaloid compounds in a noni enzyme, wherein the structural formula is shown in the following formula: Provided is a preparation method of the above-mentioned compound and application of the indole alkaloid compound in the noni enzyme in the preparation of an ?-glucosidase inhibitor. The indole alkaloid compound in the noni enzyme provided by the invention has a simple preparation process, low cost and abundant raw material sources.

Abstract: The present disclosure provides a radar layout method applied to bird invasion detection, including the following steps: dividing an environment to be laid out into regions, acquiring environment parameters of each region, and setting radar layout parameters of each region; determining a key region of bird invasion by means of calculation according to the environment parameters of each region, and determining a radar layout evaluation value for each region by means of calculation according to the radar layout parameters of each region; determining, based on the key region of bird invasion and the radar layout evaluation value for each region, a radar layout region to be optimized; and determining a fitness function of a genetic algorithm based on the radar layout parameters of the radar layout region to be optimized, and performing genetic algorithm iteration by using the fitness function until a preset optimization condition is reached.

Abstract: A hybrid cage includes a unitary annular main frame and a plurality of attachment members fixedly attached to the main frame to define cage pockets for receiving rolling elements. The main frame may be formed from a first material and the plurality of attachment members may be formed from a second material different than the first material.

Abstract: A connection structure includes a first foldable plate, a second foldable plate, and an elastic shaft. The first foldable plate includes a first support strip and a second support strip having a first gap therebetween, and a first clamping portion is disposed on two side faces facing each other. The second foldable plate includes a third support strip and a fourth support strip having a second gap therebetween, and a second clamping portion is disposed on two side faces facing away each other. The elastic shaft passes through the second gap, and its two ends are respectively connected to the third support strip and the fourth support strip. When the first foldable plate and the second foldable plate are in a closed state, the third support strip and the fourth support strip are located in the first gap, and the first clamping portion is clamped to the second clamping portion.

Abstract: A method for controlling a main circuit of a traction system is provided. The method includes: under a braking condition, controlling a protection module to be turned off; controlling the protection module to be turned on and monitoring a first current detected by a first current sensor in a case that a rail vehicle runs on a charged third rail; and controlling the protection module to be turned off and monitoring whether the rail vehicle runs on a charged third rail in a case that the first current is less than a first preset current.

Abstract: A module structure, a touch module, a display module and a display apparatus are provided. The module structure includes: a substrate including a base substrate, wherein the base substrate includes a functional area and a bonding area on one side of the functional area; a plurality of bonding terminals are provided in the bonding area and arranged along a first direction and each bonding terminal extends along a second direction, and at least one floating terminal is provided in the bonding area and on at least one side of the plurality of bonding terminals in the first direction; the module structure further includes a flexible circuit board, including: a plurality of first connection terminals provided corresponding to the plurality of bonding terminals, and at least one second connection terminal provided corresponding to the at least one floating terminal.