Abstract: Provided are a thermal barrier coating and a preparation method thereof, which belong to the field of coating technology.

Abstract: A semiconductor device and a manufacturing method thereof, a memory and a memory system are disclosed. The method includes: providing a substrate and stacked layers on the substrate, the stacked layers comprising interlayer sacrificial layers and interlayer insulating layers which are alternately stacked; removing part of the interlayer sacrificial layer to form a gate gap; sequentially forming a protection layer and a gate structure in the gate gap; forming a contact hole extending from a side of the stacked layers facing away from the substrate into a remaining interlayer sacrificial layer and exposing the protection layer; removing the protection layer exposed in the contact hole to expose the gate structure; forming a contact structure in the contact hole in such a way that the contact structure is connected with the gate structure.

Abstract: A metal mesh includes: first metal lines (11) and second metal lines (12) extending in crossed directions. The first metal lines (11) are arranged side by side in a first direction and extend in a second direction; the second metal lines (12) are arranged side by side in the first direction and extend in a third direction. Each first metal line (11) includes first sub-line segments sequentially connected together in the second direction, and each second metal line (12) includes second sub-line segments sequentially connected together in the third direction. Each first sub-line segment has a midpoint superposing with a midpoint of one of the second sub-line segments, the first and second sub-line segments having superposed midpoints form a crossed structure (10), and define two opposite first angles (?1) and two opposite second angles (?2). Each first angle (?1) is not greater than each second angle (?1).

Abstract: An antenna includes: a dielectric layer; a first electrode on the dielectric layer and having at least one first opening; at least one radiation structure on a side of the dielectric layer away from the first electrode, wherein an orthographic projection of each radiation structure on the dielectric layer is within an orthographic projection of one first opening on the dielectric layer; at least one first feeding line and at least one second feeding line, which are on the side of the dielectric layer away from the first electrode, wherein each radiation structure is electrically connected to one first feeding line and one second feeding line, taking a straight line in a length direction of the antenna and passing through a center of the first opening as a symmetry axis, the first feeding line and the second feeding line, connected to a same radiation structure, are symmetrical to each other.

Abstract: An antenna structure includes a substrate, a ground layer, a radiation patch, a first feed structure, and a second feed structure. The radiation patch, the first feed structure, and the second feed structure are located on a first surface of the substrate, and the ground layer is located on a second surface of the substrate. The first surface and the second surface are two surfaces of the substrate facing away from each other. The radiation patch has a slotted structure. In a first direction, the first feed structure and the second feed structure are symmetrically located on both sides of the radiation patch.

Abstract: A reconfigurable coupler based on a ridge gap waveguide. The reconfigurable coupler includes an inverted microstrip line, a ridge gap waveguide, and several reconfiguration components configured to adjust a coupling degree of a coupler, where the inverted microstrip line feeds the ridge gap waveguide with power, the inverted microstrip line is located at an upper layer while the ridge gap waveguide is located at a lower layer, the ridge gap waveguide includes an upper metal layer, a second dielectric layer and a lower metal layer that are arranged from top to bottom, the upper metal layer is in a square shape having a gap at a diagonal, four sides of the upper metal layer are provided with microstrip lines extending outward to the inverted microstrip line respectively, two sides of the gap are each provided with several isolation grooves, and the reconstruction components are arranged at the isolation grooves.

Abstract: Provided is an antenna unit, including a first substrate and a second substrate that are oppositely disposed, a liquid crystal layer located between the first substrate and the second substrate, and a third substrate located on a side of the second substrate away from the liquid crystal layer. The first substrate includes a first base substrate and a radiation unit layer. The second substrate includes a second base substrate and a ground layer. The radiation unit layer and the ground layer face the liquid crystal layer. The third substrate includes a third base substrate and a feed structure layer, wherein the feed structure layer is located on a side of the third base substrate away from the second substrate.

Abstract: The present disclosure provides an antenna and a manufacturing method thereof, and belongs to the field of communication technology. The antenna provided by an embodiment of the present disclosure includes: a first substrate and a second substrate opposite to each other, a dielectric layer provided therebetween, and a feed unit on a side of the second substrate away from the first substrate. The first substrate includes: a first base substrate; and a radiation unit on a side of the first base substrate close to the second substrate. The second substrate includes: a second base substrate; and a reference electrode layer on a side of the second base substrate away from the feed unit, the reference electrode layer has an opening, an orthographic projection of the opening on the second base substrate is at least partially overlapped with an orthographic projection of the radiation unit on the second base substrate.

Abstract: The present invention provides a signal acquisition method and device of an azimuthal electromagnetic wave resistivity instrument while drilling. The method comprises: step 1. picking up, by a receiving antenna, a magnetic induction signal after formation attenuation, and converting the received magnetic induction signal into an electrical signal for subsequent circuit processing; step 2. amplifying, by a preamplifier circuit, the fixed gain of a weak signal with nV level amplitude induced on the receiving antenna; step 3. controlling a filtering circuit through a controller, and filtering the amplified signal, wherein the filtering circuit comprises an analog switch and two low pass filters with different frequencies, and for receiving signals with different frequencies, a field programmable gate array (FPGA) controller achieves the selection of the filtering frequency by controlling on/off of the analog switch; step 4. amplifying the filtered signal using a programmable amplifier circuit; and step 5.

Abstract: The present disclosure provides an antenna, a method for manufacturing an antenna and a communication system. The antenna includes: a dielectric layer; a first electrode having at least one first opening therein; at least one radiating structure on a side of the dielectric layer different from that with the first electrode thereon; an orthographic projection of the radiating structure on the dielectric layer is located in that of the first opening on the dielectric layer; each radiating structure includes a second electrode and a third electrode, orthographic projections of the second and third electrodes on the dielectric layer are located in that of the first opening on the dielectric layer, the orthographic projections of the second and third electrodes on the dielectric layer are not overlapped; at least one first feed line and at least one second feed line.

Abstract: Provided are an anti-CLDN6 antibody or an antigen-binding fragment thereof; a nucleic acid molecule encoding same; an immunoconjugate, a bispecific molecule, a chimeric antigen receptor and a pharmaceutical composition containing same; and the use thereof for preventing and/or treating tumors.

Abstract: Provided are a communication method, a communication apparatus, and a non-transitory computer-readable storage medium. The communication method includes: transmitting or receiving, by a first user equipment UE, a first discovery message; where the first UE is a remote UE, or the first UE is one of multi-hop relay UEs in a topological connection between a remote UE and a network; and the first discovery message includes first identification information and/or hop count information, and the first discovery message is configured to identify UEs in the topological connection.

Abstract: A backplane includes: a substrate including a circuit structure layer, a first reflective layer disposed on a bearing surface of the substrate, a plurality of light-emitting diode chips, and a plurality of optical structures. The first reflective layer includes a plurality of through holes spaced apart. A light-emitting diode chip in the plurality of light-emitting diode chips is located in one of the plurality of through holes. The plurality of light-emitting diode chips are electrically connected to the circuit structure layer. The circuit structure layer is configured to drive the plurality of light-emitting diode chips to emit light. An optical structure in the plurality of optical structures covers the light-emitting diode chip, a light incident surface of the optical structure is in contact with a light exit surface of the light-emitting diode chip, and a light exit surface of the optical structure is a curved surface.

Abstract: The present invention discloses a same-cavity integrated vertical high-speed multistage superfine pulverizing device and method for walnut shells. The same-cavity integrated vertical high-speed multistage superfine pulverizing device for walnut shells includes a double-channel sliding type feeding device and a same-cavity integrated vertical pulverizing device. The same-cavity integrated vertical pulverizing device includes a material lifting disc and a same-cavity integrated vertical pulverizing barrel. A first-stage coarse crushing region, a second-stage fine crushing region, a third-stage pneumatic impact micro pulverizing region and a fourth-stage airflow mill superfine pulverizing region are disposed in the same-cavity integrated vertical pulverizing barrel.

Abstract: An electrolyte includes ethyl propionate, propyl propionate, ethylene carbonate, and propylene carbonate, where based on a total mass of the electrolyte, a mass percentage of ethyl propionate is a %, a mass percentage of propyl propionate is b %, a mass percentage of ethylene carbonate is c %, and a mass percentage of propylene carbonate is d %, where 20?a+b?50, 0<c/d<1, and 15?c+d?50. The electrolyte significantly improves floating charge performance of electrochemical apparatuses at high voltage.

Abstract: Provided are stable formulations of anti-CD73 antibodies, which include 5-50 mM histidine, 2%-20% (w/v) trehalose, and 0.015%-0.05% (w/v) polysorbate 80 (PS80), at pH 5.6-6.4. Also provided are lyophilized compositions that can be obtained by drying the aqueous formulations and methods for treating diseases.

Abstract: The present invention relates to a powder dry-pressing molding device and method.

Abstract: A device includes a substrate and at least one electrically conducting portion supported by the substrate, the at least one electrically conducting portion including a signal line and a ground plane electrically isolated from the signal line. The electrically conducting portion includes a layer of a first electrically conducting material and a layer of a metal oxide material including anodic aluminum oxide (AAO) and one or more nanowires (NW) of a second electrically conducting material each formed within a corresponding pore extending through the AAO from a first side of the layer to a second side of the layer of the metal oxide material opposite the first side.

Abstract: A congestion control processing method uses a two-level scheduling manner of a forwarding device and a destination device, where the network device of a data center network performs coarse-grained bandwidth allocation based on weights of flows destined for different destination devices. The network device allocates each flow a bandwidth that does not cause congestion, and notifies the destination device. The destination device performs fine-grained division, determines a maximum sending rate for each flow, and notifies a packet sending device of the maximum sending rate.

Abstract: The present invention belongs to the field of virology, in particular to the field of hepatitis B virus treatment. Provided are a model and a method for screening HBV cccDNA inhibitors. According to the screening model and the method, the detection of a split luciferase is used as an alternative index ofHBV cccDNA detection, and a cccDNA-targeted drug can be screened in high throughput.