Abstract: Production process of a lithium battery cathode material is provided, comprising: (1) temperature difference test: putting, into a saggar, a material to be sintered, placing the saggar into a roller kiln heat preservation area, setting a same sintering temperature t on an upper layer and a lower layer of the roller kiln heat preservation area according to the characteristics of said material, sintering in a specific atmosphere, and measuring a temperature difference ?t between a surface layer and a bottom layer of the material during sintering; and (2) formal sintering: putting said material into the saggar, placing the saggar into the roller kiln heat preservation area, setting the sintering temperature of the upper layer of the roller kiln heat preservation area as t according to the temperature difference ?t measured in step (1), the sintering temperature of the lower layer being (t+?t), and sintering said material in a specific atmosphere.

Abstract: A polymer includes an anchor group, a solvating segment, and an end group. The anchor group is any one or more selected from —COOR1, —SO3R2, or —PO(OR3)OR4. R1, R2, R3 and R4 each independently include a first group and a second group. The first group is H. The second group is any one or more selected from C1 to C12 alkyl, C6 to C20 aryl, or C5 to C20 heteroaryl. The solvating segment is any one or more selected from segments that include the following structural units.

Abstract: A pixel driving circuit includes a driving sub-circuit and a control sub-circuit. The driving sub-circuit is coupled to a data signal terminal, a scan signal terminal, a first power supply voltage terminal, an enable signal control terminal and an element to be driven, and the driving sub-circuit is configured to, in response to an enable signal, transmit a generated driving signal to the element to be driven, and control a current path transmitting the driving signal to be turned on and off. The control sub-circuit is coupled to the enable signal control terminal, and the control sub-circuit is configured to, in response to a signal received at the control signal terminal, transmit a signal 10 received at a first enable signal terminal or a signal received at a second enable signal terminal to the enable signal control terminal.

Abstract: A pixel circuit includes a light emitting circuit, a light emitting control circuit, a first control circuit and a switch control circuit; the light emitting control circuit controls to connect the control voltage input terminal and the light emitting circuit under the control of a light emitting control signal provided by the light emitting control terminal; the light emitting circuit emits light according to a control voltage provided by the control voltage input terminal; the first control circuit controls a switch control signal under the control of a scanning signal according to a data voltage; N is an integer greater than 1; the switch control circuit includes N switch control terminals, N light emitting control voltage terminals and N switch control sub-circuits; n is a positive integer less than or equal to N.

Abstract: Aspects of the disclosure provide methods for fabricating semiconductor devices. In some examples, a method for fabricating a semiconductor device includes forming a stack of layers having a first region and a second region. The stack of layers includes at least a first layer. The method then forms a hard mask layer on the stack of layers in the first region. Then, the method includes patterning the stack of layers in the second region of the semiconductor device. The patterning of the stack of layers in the second region removes a portion of the stack of layers in the second region, and exposes a side of the stack of layers. The method further includes covering at least the side of the stack of layers with a second layer that has a lower remove rate than the first layer, and then the method includes removing the hard mask layer.

Abstract: A reconfigurable MBIST method based on an adaptive March algorithm is provided. The reconfigurable MBIST method automatically reconfigures different algorithm circuits according to external environment and user instructions to satisfy detection requirements for different faults. The provided adaptive March algorithm is capable of adaptively reorganizing algorithms with different complexities, such that dynamic adjustments can be executed between time complexities of the algorithm and fault coverage rates to achieve a good balance, and the static fault coverage rates are high, thereby effectively improving dynamic fault coverage rates.

Abstract: The present invention provides a high-stability daptomycin composition for injection and preparation method therefor and use thereof. The daptomycin composition for injection comprises daptomycin and a pharmaceutically acceptable carrier, and the pharmaceutically acceptable carrier contains a divalent metal salt, a pH regulator, and an osmotic pressure regulator; and the molar ratio of daptomycin to divalent metal salt in the daptomycin composition for injection is 1:1.0 to 1:3.5. The daptomycin composition for injection of the present invention significantly improves the stability of the preparation, facilitates the storage and transportation of the preparation at room temperature, and ensures the safety of drug use; And the preparation method of the present invention has advantages such as green environmental protection, suitability for industrialization.

Abstract: A chip structure is provided. The chip structure includes: a chip wafer unit and a color conversion layer unit arranged on a light-exit side of the chip wafer unit. The chip wafer unit includes a plurality of sub-pixel light-emitting function layers. The color conversion layer unit includes color conversion layers arranged on the light-exit side of the chip wafer unit. The chip structure further includes: an attaching layer, arranged between the chip wafer unit and the color conversion layer unit and configured to attach the chip wafer unit and the color conversion layer unit.

Abstract: A method and system for inversion of tire material parameters for wheel performance simulation. Based on a plurality of sets of test data obtained through tire radial rigidity and lateral rigidity tests, a tire radial rigidity and lateral rigidity test finite element simulation model is established, and error calculation is performed by comparing simulation results; and then the tire material parameters are optimized by optimizing a platform and combining results of error analysis, and a simulation process is circulated until the error is minimal, which is fitting of a test curve and a simulation curve. By using a neural network model, rapid inversion of the tire material parameters may be realized by using the neural network model only through non-destructive tire rigidity test data. The tire material parameters may be modified according to a large deformation process of a tire in a 90-degree impact test of a wheel.

Abstract: Provided are a marking device and an electrode sheet production system. The marking device includes a vibration mechanism and a cutter head. The vibration mechanism is provided on a side of the electrode sheet provided with the active material layer along the thickness direction of the electrode sheet. The cutter head is connected to the vibration mechanism and the cutter head extends in a width direction of the electrode sheet. The vibration mechanism is configured to drive the cutter head to vibrate in a thickness direction of the electrode sheet and to allow the cutter head to contact the electrode sheet, thus forming a score on the electrode sheet.

Abstract: An X-ray-based test device for a plugging removal effect of a sulfur dissolvent on a sulfur deposition rock sample includes a constant speed and pressure pump, a first intermediate container, a second intermediate container, a first pressure transmitter, a core holder, a second pressure transmitter, a first electric pump, a third intermediate container, a back-pressure valve, a gas flow meter, an H2S neutralization tank, a second electric pump, a back-pressure transmitter, a confining pressure transmitter, an X-ray generator, an X-ray detector and a thermotank. A sour gas sample is placed in the first intermediate container, and nitrogen is filled in the second intermediate container. The sulfur dissolvent is placed into the third intermediate container. A confining pressure inlet is formed in the core holder. The test device may be used for evaluating the plugging removal effect of the sulfur dissolvent injected into the sulfur deposition rock sample.

Abstract: The present invention relates to the field of nucleic acid sequencing. In particular, the present invention relates to a scanning reagent containing a saponin compound, a kit containing the scanning reagent and a method for nucleic acid sequencing by means of using the scanning reagent.

Abstract: The present disclosure relates to a method for analyzing the sequence of a target polynucleotide by polymerizing a nucleotide mixture and a polymerase multiple times to achieve full polymerization, thereby satisfying the requirements of sequencing, and improving read length and accuracy. Further, the present disclosure also relates to a reagent test kit, the reagent test kit being used for analyzing or sequencing polynucleotides.

Abstract: An array substrate includes a substrate, signal lines, conductive bumps, an insulating layer, and thin film transistors each including a gate, source, and drain. The conductive blocks are disposed on a portion of the substrate located in a bonding region. The insulating layer is located between every two adjacent conductive bumps. A distance from a surface of a conductive metal layer included in a conductive bump away from the substrate to the substrate is less than or equal to a distance from a surface of the insulating layer away from the substrate to the substrate. The gate and signal lines are disposed in a same layer. The conductive metal layer is disposed in a same layer as the source and drain. On the substrate, an orthogonal projection of the conductive metal layer is located within an orthogonal projection of a signal line connected to the conductive metal layer.

Abstract: The present invention provides a method for preparing a food fumeol, a method for preparing a food fumeol from Perilla frutescens as a raw material and application. The method for preparing a food fumeol includes: respectively preparing a single fumeol from each of n raw materials; and then, mixing at least two kinds of single fumeols to prepare the food fumeol, wherein n is a positive integer being greater than or equal to 2. According to application of the food fumeol, food is liquid smoked by using the food fumeol of the present application. The types and flavors of the food fumeol are greatly enriched, and the development of the food fumeol of different types and flavors is facilitated. A Perilla frutescens fumeol having a natural unique flavor prepared by the method for preparing the food fumeol from Perilla frutescens as the raw material contains rich flavor substances, and achieves antibacterial and antioxidant effects.

Abstract: This application provides a method and an apparatus for message processing in a virtual scene, an electronic device, a computer-readable storage medium, and a computer program product.

Abstract: The present disclosure provides a light-emitting substrate. The light-emitting substrate includes a backboard, a light-emitting layer and a plurality of first optical bodies. The light-emitting layer is located on a side of the backboard; the light-emitting layer includes a plurality of light-emitting units, and the plurality of light-emitting units are arranged in an array. Each first optical body includes a first optical portion and a second optical portion; a gap between two adjacent light-emitting units is filled with the first optical portion, and the second optical portion is located on a side of the light-emitting layer away from the backboard, and is connected to the first optical portion. The second optical portion includes a first surface extending outwards from an edge of the first optical portion.

Abstract: A ketoamide compound and a preparation method, a pharmaceutical composition, and a use thereof. Specifically, the ketoamide compound shown in formula (A), a racemate, an enantiomer, or a diastereoisomer thereof, or any mixture of same, or a pharmaceutically active metabolite thereof, or a pharmaceutically acceptable salt, solvate, or prodrug thereof. The ketoamide compound can effectively inhibit coronavirus or Ebola virus, and thereby implement the prevention or treatment of diseases related to coronavirus or diseases related to Ebola virus.

Abstract: An eye movement tracking device includes: a light source located at the light-emitting side of the display module and configured for providing a first light ray for irradiating an eye; a plurality of photoelectric sensing elements arranged in a non-display region of the display module and configured for receiving a second light ray to determine a position of a pupil of the eye; an optical structure located between the optical lens and the display module, including a plurality of optical transparent areas in one-to-one correspondence to the plurality of photoelectric sensing elements, each of the optical transparent areas being configured for transmitting the second light ray to a corresponding photoelectric sensing element; the second light ray being a light ray which passes through a center point of the optical lens after the first light ray is reflected back by the eye. An eye movement tracking method is also disclosed.

Abstract: A use of 2-amino-3-methylhexanoic acid in promoting plant growth and increasing yield and use of the 2-amino-3-methylhexanoic acid in promoting growth of a plant seedling and/or promoting growth of a mature plant and increasing yield. The 2-amino-3-methylhexanoic acid is a natural product, has a simple structure, and is easy for industrial production. The 2-amino-3-methylhexanoic acid can promote plant growth and has the potential of being developed into a natural plant growth regulator. The 2-amino-3-methylhexanoic acid is a natural product, low in dosage, and environmentally friendly, has a remarkable promoting effect on plant growth, and thus is a green and efficient biological source plant growth regulator, which indicates the utilization value and application prospects of such substances in agricultural production.