Abstract: The present invention discloses a pyrimidine heterocyclic compound, and a preparation method and medical use thereof. Specifically, the present invention discloses a pyrimidine heterocyclic compound with a structure shown in Formula (A) or a pharmaceutically acceptable salt thereof (groups are each defined in the specification), a pharmaceutical composition comprising the compound, and use of the compound in treatment of cell proliferative diseases (such as cancers).

Abstract: One or more embodiments relates to a productive consolidated sand pack product. The sand pack product may be a cured resin that is bound to sand particles and has a porous structure. The sand pack product is obtained from curing a resin composition which may include a resin, a curing agent, a chemical blowing agent, a surfactant, a carrier fluid, a pH agent, and a salt. The porous volume may include one or more of trapped gas, bubbles, and open or connected pore space.

Abstract: A method is described herein of making a textured glass article, the method includes: etching an initial primary surface of a glass substrate having a thickness with a hydrofluoric acid-free etchant having a pH of about 3 or less; and removing the etchant from the glass substrate, such that the etching is conducted from above ambient temperature to about 100° C. to form a textured region that is defined by a primary surface of the substrate and comprises a sparkle of 2% or less, and the etching comprises a plurality of batch cycles.

Abstract: Described herein are methods comprising using measurements of perioperative plasma concentrations of Tau-PT217 and/or Tau-PT181 to predict which subjects are likely to develop postoperative delirium, and to thereby identify which patients are most likely to benefit from interventions to reduce risk or mitigate the severity or consequences of postoperative delirium.

Abstract: A thermal-power power electronic direct-hung energy-storage plant backup power system includes a thermal-power grid connection startup/standby unit, a power electronic energy-storage switching unit and a thermal-power plant unit. The thermal-power grid connection startup/standby unit is connected to the power electronic energy-storage switching unit and the thermal-power plant unit, respectively. The power electronic energy-storage switching unit is connected to the thermal-power plant unit.

Abstract: There is provided a phase shifter having a phase shift region and a peripheral region, and including a first substrate, a second substrate and a dielectric layer between such two substrates; the first substrate includes a first dielectric substrate, a first electrode and a first auxiliary structure; the second substrate includes a second dielectric substrate, a second electrode and a second auxiliary structure; the phase shift region includes overlapping regions; the first electrode and the second electrode are located in the phase shift region, and have orthographic projections, on the first dielectric substrate, overlapped at least partially in the overlapping regions; the first auxiliary structure is in the peripheral region and on a side, close to the dielectric layer, of the first dielectric substrate; the second auxiliary structure is in the peripheral region and on a side, close to the dielectric layer, of the second dielectric substrate.

Abstract: The disclosure provides an electronic device including a substrate, a first vibrating unit, and a supporting unit. The substrate has a first surface. The first vibrating unit is disposed on the first surface and has a second surface. The second surface faces the first surface. The supporting unit is disposed between the substrate and the first vibrating unit. The first surface and the second surface are separated by a distance through the supporting unit. This distance ranges from equal to or greater than 0.06 mm to equal to or less than 65.4 mm.

Abstract: Wellbore treatment fluids are provided that include an aqueous component and an amphiphilic hyperbranched copolymer comprising the polymerized reaction product of at least a first monomer and a second monomer, where the first monomer comprises at least one surface reactive end group chosen from the group consisting of carboxylates, phosphonates, sulfonates, and zwitterions. Also provided are methods of modifying subsurface energy of a carbonate formation using the wellbore treatment fluids.

Abstract: Described is a method for managing an expectation on sanding volume in weak sandstone. In situ data related to a region of sandstone proximate a well is acquired. Measured property data corresponding to samples from the region of sandstone are obtained, and a chemical consolidation treatment is performed on the samples. Chemical consolidation treatment data is then obtained. The measured property data and the chemical consolidation treatment data is supplied as inputs to a simulator. The simulator performs simulations with and without chemical consolidation treatment. Based on the simulations, a correlation between a well flow rate and an effect of the chemical consolidation treatment is determined.

Abstract: Hydrogen may be produced from ammonia by catalytic reaction. For example, a method of hydrogen production may include: introducing ammonia to a reactor, wherein the reactor includes therein a catalyst, wherein the catalyst includes a high entropy alloy, and wherein the high entropy alloy has an entropy, S, such that S?11.31 J K?1 mol?1; reacting the ammonia in the presence of the catalyst to form hydrogen gas and nitrogen gas; and separating the hydrogen gas from the nitrogen gas to produce a hydrogen stream including the hydrogen gas from the reactor.

Abstract: Disclosed is a text classification method and a text classification device. The text classification method includes: receiving text data (S1), the text data comprising one or more text semantic units; replacing the text semantic unit with a corresponding text keyword (S2), based on a correspondence between text semantic elements and text keywords; extracting, with a semantic model, a semantic feature of the text keyword (S3); and classifying, with a classification model, the text keyword at least based on the semantic feature, as a classification result of the text data (S4).

Abstract: A semiconductor device includes a substrate, an isolation structure, a conductive structure, and a first contact structure. The isolation structure is disposed in the substrate. The conductive structure is disposed on the isolation structure. The conductive structure extends upwards from the isolation structure, in which the first contact structure has a top portion on the conductive structure and a bottom portion in contact with the isolation structure.

Abstract: Hydrogen may be produced from a hydrocarbon through catalytic means. An example method of catalytic hydrogen production includes: introducing a hydrocarbon feedstock to a reactor, wherein the reactor contains therein a catalyst, and wherein the reactor is substantially absent of oxygen and water, and wherein the catalyst includes a sand supported metal catalyst, an aluminum compound supported metal catalyst, or a combination thereof; and reacting the hydrocarbon over the catalyst to produce solid carbon and hydrogen gas.

Abstract: The present invention generally relates, in some aspects, to articles and methods relating to nanosensors for determination of molecules and other features, e.g., via surface plasmonic resonance, electric resonance, magnetic resonance, color changes, or the like. These articles and methods may be used, for example, for sample detection. The articles described in some aspects of the invention include a microwell array and a nanosensor array. In some embodiments, The nanosensor arrays may utilize nanoparticles positioned on nanostructures that are able to interact with a sample suspected of containing an analyte, such as a single cell. The interaction between nanoparticles and a sample can be detected by a change in applied energy, such as altered electromagnetic radiation caused by surface plasmonic resonance of incident visible light, and/or other types of resonance.

Abstract: A light-emitting diode substrate, a manufacturing method thereof, and a display device are disclosed. The manufacturing method of the light-emitting diode substrate includes: forming an epitaxial layer group of M light-emitting diode chips on a substrate; transferring N epitaxial layer groups on N substrates onto a transition carrier substrate, the N epitaxial layer groups on the N substrates being densely arranged on the transition carrier substrate; and transferring at least part of N*M light-emitting diode chips corresponding to the N epitaxial layer groups on the transition carrier substrate onto a driving substrate, an area of the transition carrier substrate is greater than or equal to a sum of areas of the N substrates, M is a positive integer greater than or equal to 2, and N is a positive integer greater than or equal to 2.

Abstract: A high-concentration high-entropy electrolyte and its preparation method and battery were disclosing in the present disclosure. A high-concentration high-entropy electrolyte, including a solvent, a first solute salt and added salts, the first solute salt is a solute salt with high solubility in the solvent, while the added salts are composed of at least three solute salts, the molar concentration range of the solute salts in the high-concentration high-entropy electrolyte is between 20 M-60 M, the molar concentration of the first solute salt is greater than 20 M, and the molar concentration of the first solute salt is greater than 50% of the molar concentration of the high-concentration high-entropy electrolyte. The sodium-carbon dioxide batteries assembled with high-concentration high-entropy electrolytes not only have higher power density, but also have excellent discharge specific capacity and rate performance.

Abstract: The present invention provides a method for preparing an activated carbon, which includes impregnating a carbonaceous material with carbonated water; and exposing the carbonaceous material to microwave radiation to produce the activated carbon.

Abstract: An integrated circuit comprising an n-type drift region, a gate structure directly on a first portion of the n-type drift region, a drain structure formed in a second portion of the n-type drift region, the gate structure and the drain structure being separated by a drift region length, a resist protective oxide (RPO) formed over a portion of the n-type drift region between the gate structure and the drain structure, a field plate contact providing a direct electrical connection to the resist protective oxide.

Abstract: A compute-in-memory (CIM) macro device and an electronic device are proposed. The CIM macro device includes a CIM cell array including multiple CIM cells. First data is being divided into at least two bit groups including a first bit group which is the most significant bits of the first data and a second bit group which is the least significant bits of the first data, and the bit groups are respectively loaded in CIM cells of different columns of the CIM cell array. The electronic device includes at least one CIM macro and at least one processing circuit. The processing circuit is configured to receive and perform operation on parallel outputs respectively corresponding to the columns of the CIM cell array, where the parallel outputs include multiple correspondences, and where each of the correspondences includes most significant bits of an output activation and least significant bits of the output activation.