Abstract: The present disclosure provides an N protein epitope mutation marker for preparing an epitope deletion-marked vaccine strain of type II porcine reproductive and respiratory syndrome virus (PRRSV) and use thereof, belonging to the technical field of biological products. In the mutation marker, one or more amino acids are mutated based on an epitope sequence at positions 92 to 103 of a C-terminal of an N protein of the type II PRRSV; and the epitope mutation marker has an amino acid sequence shown in SEQ ID NO: 1, where X1 is selected from the group consisting of T, P, and A; and X2 is selected from the group consisting of V and A.

Abstract: This application discloses a configuration method for a network coding function and a related apparatus. The network coding function is implemented on a first access network device. Information needed for a terminal device to perform network coding and/or network decoding is configured by the first access network device, to enable network coding and decoding between the first access network device and the terminal device to be possible. After the network coding function is introduced to an access layer, both latency performance and spectral efficiency performance are considered by transmitting an encoded packet. To be specific, the first access network device may flexibly adjust a quantity of sent encoded packets based on quality of an air interface link, to ensure that the terminal device can successfully perform decoding, reducing a data transmission latency while ensuring service transmission reliability.

Abstract: An anchoring device for a cardiac valve is disclosed. The anchoring device includes a ventricular section (1), the ventricular section (1) includes an anchoring segment (11) and a capture segment (12), the anchoring segment (11) is in the form of a helical coil, a radius of curvature of the helical coil is constant and a distance between turns of the helical coil is the same, and the anchoring device does not include an atrial section. The anchoring device is made of an elastic material. The design of the anchoring device separating from the valve can provide an anchoring effect while allowing a delivery sheath of an associated delivery system to have a reduced radial dimension. During release of the anchoring device, the capture segment (12) can automatically capture the native leaflets or chordae tendineae. It is a modification of an existing anchor ring and dispenses with the use of a guide wire.

Abstract: A display substrate, a method for manufacturing the same, and a display device are provided.

Abstract: There is provided a detection circuit, a display panel and a detection method. The detection circuit includes: a conversion circuit configured to acquire a photoelectric sensing signal in real time and convert the acquired photoelectric sensing signal into a luminance value; a storage circuit configured to store N luminance values from the conversion circuit on a first input first output basis; a discrimination circuit connected to the storage circuit and configured to determine whether at least two of the N luminance values meet a preset condition; and an output circuit connected to the discrimination circuit and the storage circuit, and configured to output a preset default luminance value in response to the at least two luminance values meeting the preset condition and output at least one of the N luminance values in response to the at least two luminance values not meeting the preset condition.

Abstract: Disclosed are a control method and apparatus for safety boot of a chip, an electronic device and a storage medium. The method includes: determining, at a preset stage of a chip boot process, first mirror data to be checked at the preset stage and first check code corresponding to the first mirror data, from a decryption result obtained by a hardware security module; determining second check code based on the first mirror data; comparing the second check code with the first check code to obtain a comparison result; determining an integrity check result of the first mirror data based on the comparison result; and executing, based on the integrity check result, a safety boot program corresponding to the first mirror data at the preset stage.

Abstract: Provided is a light-emitting panel comprising a substrate, a plurality of light-emitting device, and a reflection sheet, wherein the plurality of light-emitting devices and the reflection sheet are disposed on the same side of the substrate, the reflection sheet comprises a plurality of first through-holes, which are in one-to-one correspondence with the plurality of light-emitting devices, and the reflection sheet at an edge of the plurality of first through-holes is configured to wrap around an edge of the plurality of light-emitting device, and a gap between an edge of the plurality of first through-holes and an edge adjacent to the plurality of light-emitting devices is less than 0.1 mm, so that a distance between the edge of the plurality of first through holes and the edge of the plurality of light-emitting devices is reduced, and the size and width of the windowed area are reduced.

Abstract: Disclosed is a method for partially regenerating a catalyst for methanol and/or dimethyl ether-to-olefin. The method comprises: introducing a mixed gas into a regenerated region containing a catalyst to be regenerated, and subjecting same to a partial regeneration reaction to obtain a regenerated catalyst, wherein the mixed gas contains water vapor and air; and in the regenerated catalyst, the coke content of at least part of the regenerated catalyst is greater than 1%. The method utilizes the coupling of a mixed gas of water vapor and air to activate a deactivated catalyst, selectively eliminate part of a coke deposit in the catalyst to be regenerated, and obtain a partially regenerated catalyst for methanol-to-olefin. Another aspect of the present invention is that further provided is a method for methanol and/or dimethyl ether-to-olefin by using the partially regenerated catalyst for methanol-to-olefin regenerated by means of the method.

Abstract: An engine includes an engine water jacket, a water pump and a thermostat assembly. The engine water jacket, the thermostat assembly and the water pump are connected to form a circulation passage. The thermostat assembly is connected between the engine water jacket and the water pump. The engine water jacket includes a cylinder head water jacket and a cylinder block water jacket. The thermostat assembly is configured to enable the coolant to enter the cylinder head water jacket of the cylinder head water jacket and the cylinder block water jacket upon cold start.

Abstract: A method is provided for evaluating an effect of classifying a fuzzy attribute of an object, the fuzzy attribute referring to an attribute, a boundary between two similar ones of a plurality of categories of which is blurred, wherein the method includes: generating a similarity-based ranked confusion matrix, which comprises: based on similarities of K categories of the fuzzy attribute of the object, ranking the K categories, where K is an integer greater than or equal to 2, generating a K×K all-zero initialization matrix, wherein an abscissa and an ordinate of the initialization matrix respectively represent predicted values and true values of the similarity-based ranked categories of the fuzzy attribute, and based on the true values and the predicted values of the category of the fuzzy attribute for the multiple object samples, updating values of corresponding elements in the initialization matrix; and displaying the similarity-based ranked confusion matrix.

Abstract: Disclosed are a method and electronic device for determining a faulty state of a storage device. A first time length of a first access to a set of blocks of a storage device is determined. Then, the first time length of the access and a threshold time length are compared. If the first time length exceeds the threshold time length, it is determined that the blocks are in a potential faulty state.

Abstract: Embodiments of the disclosed technologies receive first event data associated with a first party application, receive second event data representing a click, in the first party application, on a link to a third party application, receive third event data from the third party application, convert the third event data to a label, map a compressed format of the labeled third event data to the first event data and the second event data to create multi-party attribution data, group multiple instances of the multi-party attribution data into a batch, add noise to the compressed format of the labeled third event data in the batch, and send the noisy batch to a second computing device. A debiasing algorithm can be applied to the noisy batch. The debiased noisy batch can be used to train at least one machine learning model.

Abstract: The present disclosure discloses an ankle prosthesis containing zirconium-niobium alloy on oxidation layer and a preparation method thereof, the preparation method comprises: using zirconium-niobium alloy powder as a raw material, conducting a 3D printing for one-piece molding to obtain an intermediate products of the talus part and tibial part, and performing Sinter-HIP, cryogenic cooling and surface oxidation to obtain talus part and tibial part. The talus part is connected with the tibial part in a sliding mode; a bone trabeculae is respectively arranged on the lower surface of the talus body and the outer surfaces of the two first fixations, and on the upper surface of the tibial body and the outer surfaces of the two second fixations as well, so as to improve bone ingrowth.

Abstract: An ultrasound imaging method includes: transmitting ultrasound waves to a target tissue at least three different transmission angles, where the ultrasound waves at least two transmission angles have different transmitting frequencies, and the ultrasound waves at least two transmission angles have the same transmitting frequency; for an ultrasound echo signal corresponding to each transmission angle, performing beamforming at least two different receiving angles; performing at least one coherent compounding and at least one non-coherent compounding on beamformed data to obtain compounded data, where each coherent compounding includes performing coherent compounding on beamformed data corresponding to the same receiving angle, the same transmitting frequency, and different transmission angles; and the non-coherent compounding includes performing non-coherent compounding on at least one set of coherently compounded data and beamformed data not subjected to the coherent compounding; and generating an ultrasound i

Abstract: A method for determining a regulation range of pumping power of a three-machine pumped storage unit is provided. The method includes: obtaining a first parameter set of pumping measurement parameters for characterizing the three-machine pumped storage unit and determining a pumping process efficiency; determining a first relational expression based on the pumping process efficiency and a design efficiency of a pumped storage power station and establishing a second relational expression; and determining a third relational expression based on power absorbed by a power grid and the second relational expression and determining a fourth relational expression, where the fourth relational expression reflects the regulation range of the pumping power of the three-machine pumped storage unit. The method for determining the regulation range of the pumping power of the three-machine pumped storage unit is proposed according to unit characteristics and operating economy of the power station.

Abstract: In wireless communication, a device may change, add, or handover between providers (e.g. nodes) of network access. This may include a conditional cell addition/change procedure initiated by a secondary node. In addition, successive cell addition/changes can also be performed. The conditional procedures and/or successive procedures can reduce handover interruption time and improve reliability.

Abstract: A fuel supply apparatus for a fuel cell system, the apparatus comprising a manifold unit comprising a body; a fuel supply flow path by which fuel is supplied to an inlet of said fuel cell system, the fuel supply flow path extending at least partly through the body of the manifold unit; a fuel recirculation flow path by which residual fuel is transferred from an outlet of said fuel cell system to the fuel supply flow path, the fuel recirculation flow path extending at least partly through the body of the manifold unit; at least one valve for controlling flow along the fuel supply flow path and/or the fuel recirculation flow path, wherein the at least one valve is integral to the body of the manifold unit; and a heating apparatus, wherein at least a heating portion of the heating apparatus is integral to the body of the manifold unit.

Abstract: An ultrasound imaging method includes: transmitting ultrasound waves to a target tissue at at least two different transmission angles; obtaining an ultrasound echo signal corresponding to each transmission angle; for the ultrasound echo signal corresponding to each transmission angle, performing beamforming at at least two different receiving angles to obtain beamformed data; based on each transmission angle and the receiving angles corresponding to the beamformed data, performing at least one coherent compounding and at least one non-coherent compounding on the beamformed data to obtain compounded data, where each coherent compounding includes performing coherent compounding on beamformed data corresponding to a same receiving angle and different transmission angles to obtain a set of coherently compounded data corresponding to the same receiving angle, and each non-coherent compounding includes performing non-coherent compounding on at least two sets of coherently compounded data; and generating an ultrasou

Abstract: Methods and systems for techniques for determining uplink common frequency resources are disclosed. In an implementation, a method of wireless communication includes determining, by a first device, one or multiple common resources for a transmission based on one or multiple sets of slots, and performing the transmission using the one or multiple common resources.

Abstract: This disclosure relates to bivalent compounds (e.g., bi-functional small molecule compounds), compositions comprising one or more of the bivalent compounds, and to methods of use the bivalent compounds for the treatment of certain disease in a subject in need thereof. The disclosure also relates to methods for identifying such bivalent compounds.