Abstract: The present invention relates to the field of medicines, and relates to a protein and vaccine for resisting infection from a SARS-COV-2 Omicron mutant strain and a subtype thereof. In order to solve the problem of lack of drugs for effective prevention and treatment for infections from the SARS-COV-2 Omicron mutant strain and the subtype thereof, the present invention provides the protein and the vaccine for resisting infection from the SARS-COV-2 Omicron mutant strain and the subtype thereof. The vaccine is optimally designed on the basis of an RBD sequence in an S protein of the SARS-COV-2 Omicron mutant strain and substrains BA.4/5, BQ.1.1, and XBB.1.5, can help a host to resist a coronavirus infection, and particularly has a relatively good prevention and treatment effect on a cross infection caused by a SARS-COV-2 Omicron mutant strain and subtype viruses thereof.

Abstract: A precoding method is performed by a reconfigurable intelligent surface (RIS) array. The method includes: determining incident angle information, the incident angle information including incident angle information of an incident beam transmitted by a base station to the RIS array; acquiring a precoding matrix index (PMI), the PMI being determined according to channel information between the RIS array and a user equipment (UE); determining reflection angle information corresponding to the RIS array according the PMI; and determining a target deflection phase angle of each RIS array element in the RIS array according to the incident angle information and the reflection angle information, to precode the RIS array.

Abstract: The disclosure provides an optical lens assembly and an electronic device. The optical lens assembly comprises: a first lens having a negative refractive power; a second lens having a negative refractive power; a third lens having a positive refractive power; a fourth lens having a positive refractive power; a fifth lens having a refractive power; a sixth lens having a refractive power; and a seventh lens having a refractive power; a distance d11 from a second side surface of the sixth lens to a first side surface of the seventh lens on the optical axis and a total optical length TTL of the optical lens assembly meet: d11/TTL?0.03. The disclosure solves at least one problem among high resolution, miniaturization, inability of clear imaging during large temperature differences, or poor imaging quality in low light environments in optical lens assembly in the related art.

Abstract: The application provides a microfluidic chip, a temperature measurement method using the same, and an analysis device, which relates to the field of microfluidic technology. The microfluidic chip includes: a substrate and at least one microfluidic module located on the substrate, wherein the microfluidic module includes a droplet control unit and at least one temperature detection unit, and wherein the temperature detection unit includes a temperature sensor, a first lead group and a second lead group, the temperature sensor is fixed on the substrate, the first lead group and the second lead group are electrically connected with the temperature sensor respectively, the first lead group is configured to transmit a constant current to the temperature sensor, and the second lead group is configured to electrically connect the temperature sensor and an external voltmeter.

Abstract: A short-channel MOSFET device with low turn-on voltage and a method for manufacturing the same are provided. The method includes providing a silicon wafer, and sequentially growing an epitaxial layer and a first oxide layer on the silicon wafer; performing a first ion implantation and a second ion implantation on an upper portion of the epitaxial layer to form a body region and a source region; etching to form gate trenches; growing a gate oxide layer on trench walls of the gate trenches; forming gate polysilicon in the gate trenches; and completing a subsequent manufacturing process of the short-channel MOSFET device. The body region and the source region are formed before forming the gate trenches, so conductive channels formed are not too short, and electronic leakage of the conductive channels is avoided.

Abstract: The present invention relates to a vaccine against respiratory syncytial virus infection and pertains to the field of medicine. To address the unmet need for effective prevention and treatment drugs against respiratory syncytial virus (RSV)-induced respiratory infection in the elderly, infants and immunocompromised persons, the present invention provides a vaccine against respiratory syncytial virus infection, and the vaccine uses adenovirus as the vector to express an engineered antigen gene specifically designed and optimized based on the fusion (F) protein sequence of RSV. The adenovirus vector vaccine can help the host to resist the respiratory syncytial virus infection, and has good prevention and treatment effect.

Abstract: A digital microfluidics chip and a drive method thereof, and a digital microfluidics apparatus are provided. The digital microfluidics chip includes a first substrate (1) and a second substrate (2) which are oppositely disposed, the first substrate (1) is provided with a plurality of drive regions for driving a droplet to move, at least one drive region includes a drive transistor (50), a drive electrode (60), and a storage capacitor, the drive electrode (60) is connected with the drive transistor (50) and the storage capacitor respectively, and the storage capacitor is configured to be charged when the drive transistor (50) is turned on, and to maintain a voltage signal on the drive electrode (60) when the drive transistor (50) is turned off.

Abstract: Aspects of the disclosure relate to methods for producing organotin compounds with high purity, which may involve the use of specific additives or reaction conditions. Methods for purifying organotin compounds and suppressing the formation of impurities in organotin compounds are also described.

Abstract: A control plane (CP) entity manages and coordinates multiple service nodes for multiple types of services. The services include a communication service, computing service, intelligence service, storage service, and/or security service. The CP entity configures extended user plane (UP) functions that support multiple services and initiates execution of those functions based on the configuration. The UP entity reports the capabilities for multiple services within the UP entity and receives a configuration(s) for the supported multiple services. The UP function is initiated and executed based on the received UP configuration from the CP entity.

Abstract: Methods for synthesizing iodoalkyl tin trialkoxide and diiodoalkyl tin trialkoxide compounds having the chemical formulas R?Sn(OR)3 and R?Sn(OR)3 are described. R? is a primary or secondary iodoalkyl group having about 2 to about 10 carbon atoms and containing at least one iodine atom, R? is a primary or secondary iodoalkyl group having about 2 to about 10 carbon atoms and containing two iodine atoms, and R is a primary, secondary, or tertiary alkyl group having about 1 to about 5 carbon atoms. The iodoalkyl tin compounds may be used for the formation of high-resolution EUV lithography patterning precursors and are attractive due to their desirable purity and low concentration of bisiodoalkyl and bisdiioodoalkyl impurities.

Abstract: Methods for correcting the level of a load cell in a weighing system are disclosed. An actual load value from N load cells of the weighting system is obtained and summed. Center of mass of the object to be weighed is calculated in an X and Y direction based on position coordinates of the N load cells. A load cell of the N load cells is selected and an ideal load value of the (N?1) load cells is expressed in terms of an ideal load value of the selected load cell. The ideal load value of each load cell is calculated based on a proportional relationship of the summation of the ideal load values of the N load cells and the summation of actual load value. The proportional relationship is based on a principle that the center of mass of the object to be weighed on a horizontal plane is constant. A load difference is calculated between the ideal load value and the actual load value of each load cell.

Abstract: A method for determining a precoding codebook includes a network device determining a first codebook for data transmission according to channel information of at least one terminal, and sending first codebook information of the first codebook to the terminal.

Abstract: A mouthpiece for an aerosol-generating system is provided, the mouthpiece including: an antimicrobial polymeric material including a thermoplastic polymer, and an antimicrobial agent including one or both of a zinc antimicrobial and a silver antimicrobial, the antimicrobial agent being substantially evenly distributed throughout a body of the mouthpiece. A cartridge for an aerosol-generating system is also provided. An aerosol-generating system is also provided.

Abstract: A trench-type power semiconductor device having gate protrusion structures and a preparation method thereof are provided. The preparation method includes depositing at least one epitaxial layer on a silicon substrate; sequentially preparing a silicon dioxide pad layer, a first mask layer, and a second mask layer on the at least one epitaxial layer; etching to form gate trench trenches; forming a gate oxide layer; depositing gate polysilicon; removing a first portion of the gate polysilicon on a surface of the first mask layer by chemical mechanical polishing; removing the first mask layer and adjusting a morphology of the gate polysilicon on a silicon platform region; forming body regions and source regions through ion implantation; and preparing source region contact holes and tungsten plugs. The gate protrusion structures are formed during the preparation process of the trench-type power semiconductor device, which solve a problem of increased channel leakage.

Abstract: A Reconfigurable Intelligence Surface (RIS) precoding method includes: receiving a Precoding Matrix Indicator (PMI) sent by at least one terminal device, in which, the PMI is determined by the at least one terminal device based on a reference signal sent by a RIS; and sending precoding indication information to the RIS based on the PMI.

Abstract: A load cell with a Roberval structure having an anti-offset function, and a weighing device are disclosed. The load cell includes strain detection elements mounted on an elastic element, which includes a loading portion for receiving a load from a connector, a fixing portion for fixing the elastic element, a strain generation portion for converting the load into deformation, and a parallel guide beam for transferring the load and keeping the loading portion translational when loaded. The strain generation portion includes at least one hollow cavity body. The loading portion and the fixing portion are respectively located on left and right sides of the strain generation portion. The parallel guide beam is located at upper and lower portions of the strain generation portion. A center of rotation and a geometric center of the strain generation portion coincide when the load cell with the Roberval structure is loaded.

Abstract: A computing system is provided, including one or more processing devices configured to receive a manufacturing change specification of a proposed change to a manufacturing system. At a first trained machine learning model, the one or more processing devices are further configured to compute one or more predicted change categories of the proposed change. At a second trained machine learning model, the one or more processing devices are further configured to compute a change magnitude classification associated with the proposed change. The second trained machine learning model is configured to compute the change magnitude classification based at least in part on the one or more predicted change categories. The one or more processing devices are further configured to output the one or more predicted change categories and the change magnitude classification to a user interface.

Abstract: A dynamic frame reconstruction apparatus and method for medical image processing is disclosed which reduces the computationally expensive reconstruction of images but which retains the accuracy of the image reconstruction. A convolutional neural network is used to cluster the dynamic data into groups of frames, each group sharing similar radiotracer distribution. In one embodiment, groups of frames that have similar reconstruction parameters are determined, and scatter and random estimations are computed once and shared among each of the frames in the same frame group.

Abstract: A method for performing single gating in a positron emission tomography (PET) system includes: receiving list-mode data acquired by scanning an imaging object using the PET system, the list-mode data being affected by quasi-periodic motion of the imaging object; producing a plurality of vectors based on the received list-mode data; generating a reference vector based on the produced plurality of vectors; selecting, from the produced plurality of vectors, a set of vectors corresponding to a single gate, based on respective differences compared with the generated reference vector; and generating an image of the imaging object based on the selected set of vectors.

Abstract: An article containing an organic tin compound in an industrially usable container is provided, in which the container is sealable, and the part of the container in contact with the organic tin compound is made of stainless steel with a specific surface structure that has been electrolytically polished. This article makes it possible to store organic tin compounds with high reactivity while maintaining their purity for a long period of time.