Abstract: A battery insulation sheet includes a substrate, and an aerogel layer on the substrate, wherein the aerogel layer includes a fibrous support; an aerogel; and a functional material including a binder, a dispersant, or a combination thereof, and satisfies Formula 1 below: 50 ? A ? 100 , 000 , A = T i / D s , Formula ? 1 wherein, in Formula 1, Ti denotes a thickness of the aerogel layer, and Ds denotes an average diameter of the fibrous support.

Abstract: An aerogel composition for a battery insulation sheet is provided. The aerogel composition comprising: a solvent; a fibrous support; an aerogel; and a functional material including a binder, a dispersant, or a combination thereof. With respect to a total solid content of the aerogel composition, the fibrous support is present in a content range of 5 wt % to 70 wt %, the aerogel is present in a content range of 10 wt % to 90 wt %, and the functional material is present in a content range of 0.5 wt % to 20 wt %.

Abstract: A package for semiconductor is disclosed. The semiconductor package according to an aspect of the present invention may include a semiconductor chip; a first insulating layer for embedding the semiconductor chip and protecting the semiconductor chip; a redistribution layer disposed on the first insulating layer; a second insulating layer disposed on the first insulating layer and for embedding the redistribution layer and protecting the redistribution layer; and a conductive pad disposed on the second insulating layer.

Abstract: Nonlinear on-chip optical devices using AlScN are described herein. In one aspect, an optical component having nonlinear characteristics can include a first substrate defining a refractive index; and a nonlinear layer, the nonlinear layer disposed on the first substrate, the nonlinear layer comprising an amount of scandium (Sc), and the nonlinear layer defining a refractive index that is higher than the refractive index of the first substrate.

Abstract: A bottle-mouth package permeability test system includes: a bottle-mouth mold group, a permeation amplifying cavity, a carrier gas assembly, a to-be-tested gas assembly, a pressure regulating assembly, a temperature regulating assembly, and a detection assembly. The carrier gas assembly allows a carrier gas to circulate in the bottle-mouth mold group connected in series on the carrier gas assembly. The to-be-tested gas assembly allows a to-be-tested gas to flow in the permeation amplifying cavity connected in series on the to-be-tested gas assembly. The pressure regulating assembly can regulate pressure states of the carrier gas outputted by the carrier gas assembly and the to-be-tested gas outputted by the to-be-tested gas assembly. The temperature regulating assembly can regulate temperature states of the carrier gas and the to-be-tested gas. The detection assembly is in communication with an exhaust end of the carrier gas assembly.

Abstract: The present disclosure relates to a forced oxidation test system, including: forced oxidation subsystems, a first cabinet, a second cabinet, and connecting devices. Inner cavities of adjacent forced oxidation subsystems are arranged in parallel. The forced oxidation subsystems include: forced oxidation portions, inner cavities of adjacent forced oxidation portions being arranged in series. To-be-tested packages are placed on the first cabinet. The second cabinet is connected to the first cabinet through the connecting devices. The forced oxidation subsystems are arranged opposite to the to-be-tested packages. The second cabinet is configured to move along an axis of the connecting devices towards a direction adjacent to the to-be-tested packages until the inner cavities of the forced oxidation portions are sealed and mounted on the to-be-tested packages, such that a replacement gas in the inner cavities of the forced oxidation portions is permeated into the to-be-tested packages.

Abstract: Disclosed is a bio-enzyme degradable temporary plugging material and a preparation method and application thereof in the technical field of natural gas hydrate drilling and production; the preparation method of the bio-enzyme degradable temporary plugging material includes the following steps: mixing the ceramsite with an aqueous solution of 3-aminopropyl trimethoxysilane before a stirring reaction and drying to obtain modified ceramsite; and fully dispersing the modified ceramsite, ethyl cellulose, and epoxy resin in dichloromethane to obtain an oil phase; adding the oil phase into a gelatin aqueous solution and mixing uniformly; after a stirring reaction, evaporating an organic solvent, filtering, washing, and drying, to obtain the bio-enzyme degradable temporary plugging material.

Abstract: The present invention provides a multifunctional acoustic device includes a cover enclosing an accommodating cavity and an acoustic member. The cover has a sound hole. The acoustic member includes a housing, a vibration system having a diaphragm, and a magnetic circuit system driving the diaphragm. The diaphragm divides a space of the housing into a front acoustic cavity and a rear acoustic cavity. The multifunctional acoustic device includes a sound channel communicating the front acoustic cavity to an outside of the sound hole and a sealing element located on an outer side of the cover. The sealing element is arranged covering a peripheral side of the sound hole and the sound channel so that the acoustic member communicates with the outside only through the sound channel.

Abstract: Disclosed is a fixing structure of an electrode terminal, and a battery, a battery pack and a vehicle including the same. The fixing structure of an electrode terminal includes a battery housing configured to be opened at one side and have a bottom at the other side in which a perforation hole is formed; an electrode terminal installed through the perforation hole not to contact an inner wall of the perforation hole; and a terminal gasket interposed between the electrode terminal and the perforation hole, and the electrode terminal includes a body portion inserted into the perforation hole; an outer flange portion configured to extend along an outer surface of the bottom of the battery housing from a first side of the body portion; an inner flange portion configured to extend toward an inner surface of the bottom of the battery housing from a second side of the body portion; and a flat portion provided to an inner side of the inner flange portion.

Abstract: The present invention relates to a plant-based COVID-19 variant recombinant spike protein expression vector, and a recombinant protein using the expression vector, wherein a plant expression system is used such that the recombinant protein does not have the disadvantages of animal-derived recombinant proteins and exhibits an excellent SARS coronavirus 2 prevention and treatment effect, and thus can be effectively utilized as a safe composition for preventing and treating COVID-19.

Abstract: Disclosed is a fixing structure of an electrode terminal, and a battery, a battery pack and a vehicle including the same. The fixing structure of an electrode terminal includes a battery housing having an open end and a bottom portion in which a perforation hole is formed; an electrode terminal installed through the perforation hole not to contact an inner wall of the perforation hole; and a terminal gasket interposed between the electrode terminal and the perforation hole. A hot-melt layer is interposed at the interface between the electrode terminal and the terminal gasket or the interface between the terminal gasket and the battery housing.

Abstract: Provided is a barrier film, comprising: a base layer; and an inorganic layer including Si, N, and O, wherein the inorganic layer has a thickness of 600 nm or less, and the film has a water vapor transmission rate of 0.5×10?3 g/m2·day as measured under conditions of a temperature of 38° C. and 100% relative humidity. The barrier film has excellent barrier properties and optical properties and can be used for electronic products sensitive to moisture.

Abstract: Provided is a barrier film, comprising: a base layer; and an inorganic layer including a first region and a second region, which have different elemental contents (atomic %) of Si, N, and O from each other as measured by XPS, and having a compactness expressed through an etching rate of 0.17 nm/s or less in the thickness direction for an Ar ion etching condition to etch Ta2O5 at a rate of 0.09 nm/s, wherein the second region has a higher elemental content of N than that of the first region, the first region has a thickness of 50 nm or more, and the ratio (d1/d2) of the thickness (d1) of the first region to the thickness (d2) of the second region is 2 or less, the barrier film having excellent barrier properties and optical properties. The barrier film can be used for electronic products sensitive to moisture or the like.

Abstract: Provided are a method and server for providing a content list. The method and server for providing a content list includes: providing source content to a chat room, receiving a request for providing a content list related to the source content from a first terminal of a first member; providing at least one of a first content list including at least one keyword-related content selected from among the entire contents stored in the server based on a keyword of the source content and a second content list including at least one group-related content belonging to the same group as a group of the source content among the entire contents, receiving information on selection content selected by the first member among the contents included in the at least one content list, from the first terminal, and providing the selection content to the chat room.

Abstract: Provided is a barrier film, comprising a base layer and an inorganic layer including a first region and a second region, which have different elemental contents (atomic %) of Si, N, and O from each other as measured by XPS, and having a compactness expressed through an etching rate of 0.17 nm/s in the thickness direction for an Ar ion etching condition to etch Ta2O5 at a rate of 0.09 nm/s, wherein the second region has a higher elemental content of N than that of the first region, and the second region has a thickness of 10% or more relative to the total thickness of the inorganic layer. The barrier film has excellent barrier properties and optical properties and can be used for electronic products which are sensitive to moisture and the like.

Abstract: Discussed is a battery including an electrode assembly having a first electrode, a second electrode and a separator wound about an axis, and each of the first electrode and the second electrode has a first portion including an active material corresponding to the separator, and a second portion exposed beyond the separator and not coated with the active material, a housing having a first end with a first opening and a second end with a second opening opposite the first end, the housing accommodating the electrode assembly, a terminal electrically connected to the second portion of the first electrode and exposed out of the housing through the first opening of the housing at the first end, a cap at the second end of the housing, and an insulating gasket having an extended shape to cover the outer circumferential surface of the terminal.

Abstract: Disclosed is a multifunctional sounding device which combines functions of emitting sounds and providing vibrations and includes a housing; a speaker unit including a vibration assembly vibrating along a first direction and a magnetic assembly including a main magnet and an auxiliary magnet; an elastic member suspending the speaker unit in the housing; a flexible sealing membrane assembly connected between the housing and the speaker unit including an outer ring, an inner ring, and a flexible sealing membrane connected between the two rings; and a driving coil driving the speaker unit for vibrating in a second direction including two sides respectively facing the main magnet and the auxiliary magnet in the first direction. The two directions are perpendicular. The outer ring, the flexible sealing membrane and the inner ring are integrally formed, thereby achieving a high structural consistency and avoiding glue width requirements so as to release spaces.

Abstract: A scanning assembly, including: a housing, wherein a lower portion of the housing comprises an opening, and the opening can be closed by tissue to be scanned; a pressure difference generating device, disposed on the housing and used to generate an air pressure difference between the interior and the exterior of the housing, the air pressure difference providing a first pressure for the tissue to be scanned, the weight of the scanning assembly providing a second pressure for the tissue to be scanned, the tissue to be scanned being compressed under the action of a compressive force, and the compressive force comprising the first pressure and the second pressure; and an ultrasonic transducer, disposed in the housing and used to perform ultrasound scanning on the compressed tissue to be scanned.

Abstract: A keyword review method includes registering, as a keyword list related to a place, at least one of a word, a phrase, or a sentence describing a feature of the place; and registering, as a review of the place, at least one keyword selected from the keyword list by providing the keyword list to users who have visited or used the place.

Abstract: A novel compound for a capping layer, and an organic light emitting device containing the same are disclosed.