Abstract: The invention relates to the technical field of oilfield exploration, and discloses a 4D quantitative and intelligent diagnosis method and system for spatio-temporal evolution of oil-gas reservoir damage types and extent. The method includes: determining a characteristic parameter characterizing reservoir damage by each of a plurality of factors based on a spatio-temporal evolution simulation equation of reservoir damage by each of the plurality of factors; and determining an effective characteristic parameter characterizing the damage extent of the reservoir based on the characteristic parameter characterizing reservoir damage rby each of the plurality of factors. The invention can quantitatively simulate the characteristic parameters of reservoir damage caused by the various factors and a total characteristic parameter of the reservoir damage.

Abstract: A prepolymer of elastomer material for screw drilling tools and a preparation method thereof are provided. The prepolymer includes component A and component B, wherein the component A includes hydroxyl-terminated liquid rubber, polytetrahydrofuran diol, and polyether polyol; the component B includes at least one of an isocyanate, a cyanate, and a cyano compound; the mass ratio of the hydroxyl-terminated liquid rubber, polytetrahydrofuran diol, and polyether polyol is (0.2-1.0): (0.2-1.0): (0.2-1.0). Different molecular segments of different proportions are introduced through structural design, such that the molecular structure of the prepolymer has both rigid and flexible segments, thus to achieve an adjustable and controllable structure of the prepolymer; and the introduction of active groups makes the prepolymer to show good reactivity and processability.

Abstract: The present disclosure provides a two-dimensional scalable superconducting qubit structure and a method for controlling a cavity mode thereof. The two-dimensional scalable superconducting qubit structure includes: a superconducting qubit chip comprising a plurality of two-dimensionally distributed and scalable qubits; a capacitor part of each of the qubits has at least five arms distributed two-dimensionally, two of the at least five arms in each qubit are respectively connected with a read coupling circuit and a control circuit, and the other at least three arms are coupled with adjacent qubits through a coupling cavity.

Abstract: The embodiments of the present disclosure provide a display panel, a manufacturing method thereof, and a display device. The display panel includes a first substrate and a second substrate cell-assembled to each other, a light emitting member layer disposed between the first substrate and the second substrate and a light diffusion layer disposed on a light existing side of the light emitting member layer, the light emitting member layer includes a plurality of light emitting units and imaging holes disposed on at least two sides of each of the light emitting units, the light diffusion layer includes a reflective member configured to reflect a light ray emitted by the light emitting unit and reaching the reflective member, and the reflected light ray reflected by the reflective member exits from the imaging holes.

Abstract: A backlight assembly and a display device including the backlight assembly are provided. The backlight assembly includes a light source unit, a peep-proof layer on a light emitting side of the light source unit, a light adjustment layer on a side of the peep-proof layer distal to the light source unit, and a plurality of first microstructures between the peep-proof layer and the light adjustment layer and spaced apart from each other.

Abstract: A method for preparing hydrogen sulfide from sulfur dioxide by electrochemical reduction includes electrochemically reducing sulfur dioxide absorbed in an aqueous solution into gaseous hydrogen sulfide with a membrane electrode, resulting in efficient and selective conversion of the sulfur dioxide absorbed in the aqueous solution into the hydrogen sulfide to avoid a deactivation of a cathode due to colloidal sulfur produced on the cathode and adhesion onto a surface of the cathode, wherein the method is carried out at ambient temperature and normal pressure without addition of a reducing agent, having no waste salts produced, and is simple in operation, and is convenient for large-scale application.

Abstract: Described herein are polymer-encapsulated materials and a method for encapsulating materials with polymer via emulsion polymerization. The encapsulated materials include colorants (e.g., pigments and dyes, and in particular fluorescent dyes), optical brighteners, downconverters and upconverters. The encapsulated materials are produced by the emulsion polymerization of ethylenically unsaturated monomers. The polymer-encapsulation method described herein does not require the preparation of a miniemulsion homogenized with special equipment, such as an ultrasonification device, and the resulting polymer-encapsulated materials exhibit optical properties superior to polymer-encapsulated materials prepared by processes that include the preparation of a miniemulsion prepared with such special equipment, such as an ultrasonification device.

Abstract: This application provides a communication method. The communication method includes: obtaining, by the database network element, training data, where the training data includes service transmission data and network data; sending, by the database network element, the training data to the data analytics network element; and receiving, by the database network element, first information from the data analytics network element, where the first information includes a first feature index list set, a service identifier corresponding to each feature index list in the first feature index list set, and a DNN corresponding to the service identifier.

Abstract: Provided in the present invention are a 3-hydroxyl-5-pregnane-20-one derivative as shown in formula I or a pharmaceutically acceptable salt thereof, and a pharmaceutical composition comprising the derivative or the pharmaceutically acceptable salt thereof. The derivative or the pharmaceutically acceptable salt thereof or the pharmaceutical composition comprising the above-mentioned derivative or salt of the present invention can be used to prepare a drug for treating a disease caused by abnormalities in the central nervous system.

Abstract: A diesel engine high pressure SCR ventilation and voltage stabilisation system, comprising an SCR reactor (10), an air intake pipeline (20) and an exhaust pipeline (30) respectively connected to an air inlet and an exhaust outlet of the SCR reactor, a pressure difference sensing apparatus (40), and a control apparatus, a first control valve (21) being arranged on the air intake pipeline (20) and a second control valve (31) being arranged on the exhaust pipeline (30), and the control apparatus being connected to the pressure difference sensing apparatus (40), the first control valve (21), and the second control valve (31). The control apparatus controls the first and second control valves such that the pressure difference between the SCR reactor and the exhaust side of the diesel engine remains in a predetermined pressure difference range. The present system implements rapid ventilation and ensures precise control and stabilisation of pressure difference.

Abstract: A display panel configured to display images is provided, each image including a plurality of image pixels and each image pixel including a plurality of sub-pixels of different colors, respectively, the display panel including: a base substrate; and a plurality of sub-beam generation components on the base substrate, each sub-beam generation component being configured to generate at least one sub-pixel in at least one image pixel of the image pixels and including: a group of light-emitting units comprising at least one light-emitting unit and corresponding to at least one sub-pixel; and a beam-expanding layer, which is arranged on a light emergent side of the group of light-emitting units and configured to expand light beams emitted from the group of light-emitting units; an orthogonal projection of the beam-expanding layer on the base substrate at least partially overlapping with an orthogonal projection of the group of light-emitting units on the base substrate.

Abstract: An application and a method of compounds inhibiting synthesis of very long chain fatty acids (VLCFAs) in preventing and controlling microbial pathogens are provided, which relate to the technical field of plant pathology and plant disease prevention and control. In particular, an application method of a compound for inhibiting the synthesis of VLCFAs in preventing and treating microbial pathogens is provided. Research results associated with the methods show that taking the synthesis of VLCFAs as the target, microbial pathogens can be inhibited by using compounds that inhibit the synthesis of VLCFAs. Therefore, the compounds inhibiting the synthesis of VLCFAs can be used in preventing and treating microbial pathogens diseases, which provides a new idea or strategy for the prevention and treatment of microbial pathogens diseases, and provides more choices for the types of drugs for the prevention and treatment of pathogenic diseases.

Abstract: Described herein is an actinically curable adhesive composition, suitable for sealing flexible packaging, that includes an inert urethane polymer and an ethylenically unsaturated monomer component selected from at least one monofunctional ethylenically unsaturated monomer, at least one multifunctional ethylenically unsaturated monomer, and a combination thereof, wherein the ethylenically unsaturated monomer component disperses the inert urethane polymer. The compositions are suitable for forming flexible packaging materials for foods and other materials, particularly sensitive materials. Also described are flexible packaging materials and a method for preparing an actinically curable adhesive composition.

Abstract: Described herein are polymer-encapsulated materials and a method for encapsulating materials with polymer via emulsion polymerization. The encapsulated materials include colorants (e.g., pigments and dyes, and in particular fluorescent dyes), optical brighteners, downconverters and upconverters. The encapsulated materials are produced by the emulsion polymerization of ethylenically unsaturated monomers. The polymer-encapsulation method described herein does not require the preparation of a miniemulsion homogenized with special equipment, such as an ultrasonification device, and the resulting polymer-encapsulated materials exhibit optical properties superior to polymer-encapsulated materials prepared by processes that include the preparation of a miniemulsion prepared with such special equipment, such as an ultrasonification device.

Abstract: Described herein is an actinically curable adhesive composition, suitable for sealing flexible packaging, that includes an inert urethane polymer and an ethylenically unsaturated monomer component selected from at least one monofunctional ethylenically unsaturated monomer, at least one multifunctional ethylenically unsaturated monomer, and a combination thereof, wherein the ethylenically unsaturated monomer component disperses the inert urethane polymer. The compositions are suitable for forming flexible packaging materials for foods and other materials, particularly sensitive materials. Also described are flexible packaging materials and a method for preparing an actinically curable adhesive composition.

Abstract: A static vacuum shafting device for an integrated rotary transformer includes: a driving component, a vacuum sealing cover, a position detection component, a shafting base, a vacuum insulation sleeve, three O-shaped seal rings, a first rolling bearing, a second rolling bearing, a bearing gap ring, a transmission shaft, a shafting flange, a walking rolling bearing, and two bearing glands. The driving component includes a motor stator, a rotary transformer stator, a motor and rotary transformer integrated rotor, a rotor flange plate and a stator-fixing pressing block which are coaxially assembled. The vacuum sealing cover includes a sealing cover upper flange, a sealing cover, and a sealing cover lower flange. The shafting device couples a motor shaft to a load rigidly, thereby achieving a “zero-transmission” method and a “zero-leakage” sealed transmission of a shafting, and is particularly suitable for a power transmission of a vacuum robot in a high-vacuum environment.

Abstract: A conductive terminal assembly of an electrical connector is disclosed having a terminal aligning plate and four pairs of differential signal terminals. The terminal aligning plate made of a dielectric material. The four pairs of differential signal terminals are arranged in two columns in an array on the terminal aligning plate. Each terminal has a terminating end, a contacting end, and a terminal body. The terminal body extends between the terminating end and the contacting end. The terminal bodies of two first terminals in the same column, which are longitudinally adjacent to each other and have opposite polarities, are offset transversely.

Abstract: A conductive terminal assembly of an electrical connector is disclosed having a terminal aligning plate and four pairs of differential signal terminals. The terminal aligning plate made of a dielectric material. The four pairs of differential signal terminals are arranged in two columns in an array on the terminal aligning plate. Each terminal has a terminating end, a contacting end, and a terminal body. The terminal body extends between the terminating end and the contacting end. The terminal bodies of two first terminals in the same column, which are longitudinally adjacent to each other and have opposite polarities, are offset transversely.

Abstract: A method for extracting vanadium from shale, the method including: a) grinding the shale into fine powders, mixing the fine powders with an additive in a mass ratio of 1:0.04-0.12 to yield a mixture, heating the mixture to a temperature of between 850 and 950° C. at a heating rate of 5-9° C./min, and baking the mixture for between 30 and 90 min; b) immersing the product in water and acid respectively to yield a first solution and a second solution, combining the two solutions, and performing ion exchange adsorption on the combined solution using a styrene-divinylbenzene based macroporous anion-exchange resin; and c) performing desorption, purification, and precipitation to yield poly ammonium vanadate, and calcining the poly ammonium vanadate at a temperature of between 450 and 530° C. for between 20 and 50 min to yield V2O5.

Abstract: A method for extracting vanadium from shale, the method including: a) grinding the shale into fine powders, mixing the fine powders with an additive in a mass ratio of 1:0.04-0.12 to yield a mixture, heating the mixture to a temperature of between 850 and 950° C. at a heating rate of 5-9° C./min, and baking the mixture for between 30 and 90 min; b) immersing the product in water and acid respectively to yield a first solution and a second solution, combining the two solutions, and performing ion exchange adsorption on the combined solution using a styrene-divinylbenzene based macroporous anion-exchange resin; and c) performing desorption, purification, and precipitation to yield poly ammonium vanadate, and calcining the poly ammonium vanadate at a temperature of between 450 and 530° C. for between 20 and 50 min to yield V2O5.