Abstract: A method for forming a semiconductor structure includes providing an initial semiconductor structure formed in a substrate; forming a dielectric layer on the substrate; forming a first opening in the dielectric layer to expose a portion of the initial semiconductor structure; etching the portion of the initial semiconductor structure exposed at a bottom of the first opening to form a second opening in the initial semiconductor structure; and forming a contact layer in the second opening and a third opening in the contact layer. The contact layer has a concave top surface, and the third opening is located above the concave top surface of the contact layer and under the first opening. The method further includes forming a conductive structure in the first opening and the third opening.

Abstract: A semiconductor device and method for forming same are provided. The method for forming a semiconductor device includes: providing a base; forming an interlayer dielectric layer over the base; forming contact holes by etching the interlayer dielectric layer; forming a barrier layer over the base in the contact holes; and forming a metal layer over the barrier layer. The contact holes exposed a portion of a surface of the base. The metal layer fully filled the contact hole.

Abstract: A method for genetic transformation of edible mushrooms is provided relating to the technical field of genetic transformation of Agaricus bisporus, enoki mushroom and shiitake. The disclosed method for genetic transformation of Agaricus bisporus includes: inoculating Agaricus bisporus liquid mycelia into a foxtail-millet-grain culture medium, and pre-culturing them at 20-25° C. until Agaricus bisporus mycelia grow on surfaces of foxtail millet grains. This method uses the foxtail millet grains as an attachment matrix, and during the pre-culturing and co-culturing, the culture substrate is shaken up every day. The method for genetic transformation of enoki mushroom or shiitake includes: inoculation of enoki mushroom mycelia or shiitake mycelia, activated culturing of agrobacterium, and agrobacterium infecting a foxtail millet grain-enoki mushroom mycelium matrix or a foxtail millet grain-shiitake mycelium matrix.

Abstract: Methods for performing network configuration on apparatus and network configuration systems are provided. The method includes connecting, by an apparatus, to a network configuration hotspot provided by a router; sending first apparatus information of the apparatus to a server through the network configuration hotspot; receiving a hotspot switching command sent by the server according to the first apparatus information, wherein the hotspot switching command includes hotspot information of an online hotspot; and when a designated network configuration condition is met, connecting to the online hotspot based on the hotspot switching command to complete the network configuration of the apparatus.

Abstract: A display panel which is configured to display images is provided in embodiments of the disclosure, 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 plurality of 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 s

Abstract: Disclosed herein is an ingestible composition comprising a sphingan and its use as a prebiotic.

Abstract: This invention relates to a double layer composite-coated nano-silicon negative electrode material, and its preparation methods and use, the negative electrode material comprising: a silicon-based nanoparticle, a copper layer coated on the surface of the silicon-based nanoparticle, and a conductive protective layer coated on the surface of the copper layer. Nano-copper has superplastic ductility and conductivity, and the prior art has proved that lithium ions can penetrate nano-copper; therefore, the copper coating layer has effects of inhibiting the volume expansion of the silicon-based nanoparticle and keeping the silicon-based nanoparticle from cracking so that direct contact between the silicon-based nanoparticle and an electrolyte is effectively avoided and a stable SEI is formed, and increasing the conductivity of the electrode.

Abstract: The invention provides a composite-coated nano-tin negative electrode material, which comprises a tin-based nanomaterial, a nano-copper layer coated on the surface of the tin-based nanomaterial and a conductive protective layer coated on the surface of the nano-copper layer. The nano-copper layer can inhibit the volume expansion of nano-tin, keep the nano-tin material from cracking, avoid direct contact between nano-tin and electrolyte to form stable SRI and increase the conductivity of the electrode. Coating a conductive layer on the surface of the nano-copper layer can effectively inhibit the oxidation of nano-copper, thus improving its electrochemical performance. The composite-coated nano-tin negative electrode material according to the invention is used as a negative electrode material of a lithium-ion battery, has excellent electrochemical performance, and has potential application prospects in portable mobile devices and electric vehicles.

Abstract: Gellan gum products having an increased bulk density are provided that include a gellan gum co-precipitated with a co-precipitation agent to form a co-precipitated gellan composition. The co-precipitation agent and the gellan gum are present in the co-precipitated composition in a weight ratio effective to produce the gellan gum product, in which the gellan gum product bulk density is greater than a bulk density of the gellan gum precipitated, dried, and milled without the co-precipitation agent. This greater bulk density is about 0.30 g/mL or greater. Methods are provided for preparing a gellan gum product having an improved bulk density, in which the gellan gum product bulk density is greater than a bulk density of the gellan gum precipitated, dried, and milled without the co-precipitation agent. This greater bulk density is about 0.30 g/mL or greater.

Abstract: An apparatus for controlling a degradation rate of an artificial bone in vitro, a degradation method, and an artificial bone are disclosed. The apparatus includes: a variable resistor; and a wearable component, comprising: a metal wire electrically connected in series with the variable resistor and configured to generate an alternating magnetic field; and an insulating textile layer by which the outside of the metal wire is covered.

Abstract: A method for genetic transformation of edible mushrooms is provided relating to the technical field of genetic transformation of Agaricus bisporus, enoki mushroom and shiitake. The disclosed method for genetic transformation of Agaricus bisporus includes: inoculating Agaricus bisporus liquid mycelia into a foxtail-millet-grain culture medium, and pre-culturing them at 20-25° C. until Agaricus bisporus mycelia grow on surfaces of foxtail millet grains. This method uses the foxtail millet grains as an attachment matrix, and during the pre-culturing and co-culturing, the culture substrate is shaken up every day. The method for genetic transformation of enoki mushroom or shiitake includes: inoculation of enoki mushroom mycelia or shiitake mycelia, activated culturing of agrobacterium, and agrobacterium infecting a foxtail millet grain-enoki mushroom mycelium matrix or a foxtail millet grain-shiitake mycelium matrix.

Abstract: Gellan gum products having an increased bulk density are provided that include a gellan gum co-precipitated with a co-precipitation agent to form a co-precipitated gellan composition. The co-precipitation agent and the gellan gum are present in the co-precipitated composition in a weight ratio effective to produce the gellan gum product, in which the gellan gum product bulk density is greater than a bulk density of the gellan gum precipitated, dried, and milled without the co-precipitation agent. This greater bulk density is about 0.30 g/mL or greater. Methods are provided for preparing a gellan gum product having an improved bulk density, in which the gellan gum product bulk density is greater than a bulk density of the gellan gum precipitated, dried, and milled without the co-precipitation agent. This greater bulk density is about 0.30 g/mL or greater.

Abstract: A screen area capturing an image including the screen area; obtaining candidate boundaries of the screen area; converting the candidate boundaries into straight lines; carrying out binary image processing with regard to the captured image; obtaining boundary pixels of a maximum target area, and letting the boundary pixels serve as an outline of the maximum target area; selecting straight lines on the outline from the converted straight lines; dividing the selected straight lines into four classes; and obtaining final straight lines by carrying out straight line fitting with regard to straight lines in the respective classes so as to obtain four boundaries of the screen area.

Abstract: Disclosed are a method and a system for detecting a screen area. The method comprises a step of capturing an image including the screen area; a step of obtaining candidate boundaries of the screen area; a step of converting the candidate boundaries into straight lines; a step of carrying out binary image processing with regard to the captured image; a step of obtaining boundary pixels of a maximum target area, and letting the boundary pixels serve as an outline of the maximum target area; a step of selecting straight lines on the outline from the converted straight lines; a step of dividing the selected straight lines into four classes; and a step of obtaining final straight lines by carrying out straight line fitting with regard to straight lines in the respective classes so as to obtain four boundaries of the screen area.