Abstract: Provided are a hybrid metallocene catalyst comprising a first transition metal compound represented by Formula 1; and a second transition metal compound represented by Formula 2, which is useful in the preparation of a polyethylene exhibiting a high dart drop impact strength property along with excellent processability, and a method of preparing the polyethylene using the same: wherein Formulas 1 and 2 are described herein.

Abstract: A method according to the present disclosure improves sleep states, maintains a sound sleep, restores the balance of gut microbiota disrupted by sleep disorders, and supports the management of health including metabolic syndrome. Under the provisions of the Budapest Treaty on the International Recognition of the Deposit of Microorganisms for the Purposes of Patent Procedure, the Limosilactobacillus reuteri LM1063 strain was deposited with the international depositary authority: the Korean Collection for Type Cultures on Mar. 23, 2017, under the Accession Number: KCTC 13232BP.

Abstract: A semiconductor device includes two source/drain regions, two isolation elements, a channel feature, at least one semiconductor layer and a gate feature. The source/drain regions are spaced apart from each other, and are respectively disposed above the isolation elements. The channel feature includes at least one effective channel layer and at least one dummy channel layer that are spaced apart from each other. Each of the at least one effective channel layer extends between the source/drain regions. Each of the at least one dummy channel layer extends between the isolation elements. The at least one semiconductor layer at least covers a lower surface of a bottommost one of the at least one dummy channel layer. The gate feature is disposed around the at least one effective channel layer, such that two opposite surfaces of each of the at least one effective channel layer are adjacent to the gate feature.

Abstract: Disclosed is a three-dimensional semiconductor device comprising a substrate including first and second regions, a first active section on the first region and including a first lower channel pattern and a first lower source/drain pattern, a second active section on the first active section and including a first upper channel pattern and a first upper source/drain pattern, a third active section on the second region and including a second lower channel pattern and a second lower source/drain pattern, a fourth active section on the third active section and including a second upper channel pattern and a second upper source/drain pattern, and a gate electrode on the first and second lower channel patterns and the first and second upper channel patterns. A first width in a first direction of the first lower channel pattern is greater than a second width in the first direction of the second lower channel pattern.

Abstract: An inhaler according to an embodiment comprises: a housing provided with one surface, the other surface facing the surface, and a plurality of side surfaces connecting one surface to the other surface; a mouthpiece arranged on one surface of the housing; a storage which is in communication with the mouthpiece and stores an inhalable composition; and a canister which accommodates the inhalable composition which is to be stored in the storage and is connected to the storage to be opened/closed, wherein the canister can be coupled to the storage to be attachable/detachable in the housing.

Abstract: The present invention enables a polycondensation reaction of polyester at a low temperature to lead to an improvement in thermal stability as well as a high degree of polymerization in a polyester resin, so that a polyester resin with a minimized end group (carboxyl group) and a small content of foreign matter can be produced. In addition, when a film is manufactured using the polyester resin, a film with a uniform thickness can be produced because no gap is formed between the drum surface and a sheet-like product even at a high rotational speed due to an excellent electrostatic application property and a small melt specific resistance of the polyester resin, and a film with high transparency can be produced due to a small content of foreign matter.

Abstract: An inhaler according to an embodiment comprises: a housing provided with one surface, the opposite surface facing the one surface, and a plurality of side surfaces connecting the one surface and the opposite surface; a canister that is mounted inside the housing so as to be replaceable and accommodates an inhalable composition; a reservoir that is connected to the canister and stores the inhalable composition supplied from the canister; a relief valve that is installed in the reservoir and operates to open and close off the reservoir with respect to the outside; and a cover, one side of which is rotatably coupled to the housing and the other side of which is detachably coupled to a location corresponding to the bottom surface of the canister. The cover can be opened to remove the canister from the housing after opening the relief valve.

Abstract: An inhaler according to an embodiment comprises: a housing provided with one surface, the other surface facing the surface, and a plurality of side surfaces connecting one surface to the other surface; a canister which is attached in the housing to be replaceable and accommodates an inhalable composition; a storage to which the canister is connected to be opened/closed and which stores the inhalable composition; a lever which controls the opening/closing operations of the canister; and a counter arranged between the canister and the lever to be rotatable, wherein the counter is rotated by a certain angle according to the operation of the lever so as to provide notification of the remaining amount of the inhalable composition in the canister.

Abstract: Provided are a hybrid metallocene catalyst comprising a first transition metal compound represented by Formula 1; and a second transition metal compound represented by Formula 2, which is useful in the preparation of a polyethylene having excellent impact strength and haze properties, and a method of preparing the polyethylene using the same: wherein Formulas 1 and 2 are described herein.

Abstract: Provided are a method and apparatus for providing a counseling service. A method of operating a counseling center server interworking with an instant messaging service includes providing a profile of at least one expert account for counseling linked to a channel of a second user to a terminal of a first user, identifying an initiation condition for a counseling ticket for counseling with a first expert account, creating a counseling ticket to be allocated to the first expert account, and transmitting counseling content through a chat room for counseling of the channel in which the first expert account and an account of the first user participate.

Abstract: A multifunctional soft gripper device includes: a body unit which is moved depending on the position of a target object; a grip unit which includes a main body mounted below the body unit, a cup-shaped suction gripper provided on a lower end of the outer surface of the main body, a protrusion gripper having a plurality of small protrusions and provided on a lower portion of the outer surface thereof, and a finger gripper provided on an upper portion of the outer surface thereof; and an actuation unit mounted within the main body and the grip unit, which operates to move vertically, performing gripping motions with one of the suction gripper, protrusion gripper, or finger gripper based on the target object by operating the actuation unit in an optimal operation mode.

Abstract: Provided are a method and apparatus for providing a counseling service. A method of operating a counseling center server interworking with an instant messaging service includes acquiring, based a search request for a message transmitted to a channel registered in the service, a search result of a chatbot server linked to the channel, providing an interface for inputting a value of at least one parameter included in the search result to a terminal of a counselor linked to the channel, acquiring an entity corresponding to the parameter based on the message, determining a value of the parameter based on at least one of the acquired entity and data input through the interface, and requesting, based on the determined value of the parameter, an instant messaging server configured to provide the service to transmit a response message corresponding to the search result.

Abstract: A battery defect detection apparatus according to an embodiment disclosed herein includes: a communication module; a processor; and a memory configured to store a first artificial intelligence model, a second artificial intelligence model, and instructions, in which the processor is configured to execute the instructions by the battery defect detection apparatus; to perform operations including: obtaining an image of a subject product by using the communication module, inputting the image of the subject product to the first artificial intelligence model to classify the subject product, and inputting the image of the subject product to the second artificial intelligence model to determine whether the image of the subject product corresponds to first data for classifying the subject product as normal among learning data of the first artificial intelligence model, when the subject product is classified as normal.

Abstract: An ultra-micro electrode that performs electrochemical analysis and a method of manufacturing the same is provided. The method includes preparing an insulating member having a capillary shape with a hollow region, preparing a conductive wire including a conductive material with an oxidation resistance greater than an oxidation resistance of copper, inserting the conductive wire into the hollow region of the insulating member, manufacturing half-finished products by applying heat and an external force to the insulating member having the conductive wire inserted therein to stretch the insulating member and the conductive wire so that a central portion of the insulating member is thin and the insulating member and the conductive wire are ruptured at central portions thereof, forming a groove by etching the conductive wire located on a ruptured surface of each half-finished product, and forming a filling layer by filling the groove with a conductive material by a plating process.

Abstract: A device includes a substrate. A first channel region of a first transistor overlies the substrate and a source/drain region is in contact with the first channel region. The source/drain region is adjacent to the first channel region along a first direction, and the source/drain region has a first surface opposite the substrate and side surfaces extending from the first surface. A dielectric fin structure is adjacent to the source/drain region along a second direction that is transverse to the first direction, and the dielectric fin structure has an upper surface, a lower surface, and an intermediate surface that is disposed between the upper and lower surfaces. A silicide layer is disposed on the first surface and the side surfaces of the source/drain region and on the intermediate surface of the dielectric fin structure.

Abstract: Disclosed are a safety service system and a method thereof. The safety service system comprises: a collection unit for collecting position information and image information related to a protected person who is registered by a protector; and a service providing unit for providing the position information and the image information to one or both of the protector and a security company upon detection of a signal that the protected person is in danger.

Abstract: A negative electrode current collector for a lithium metal battery, including copper and having a sum of S(110) and S(100) of 50% or more, wherein the S(110) is a ratio of a region occupied by a (110) surface of copper based on an entire region occupied by copper at a surface of the negative electrode current collector, and the S(100) is a ratio of a region occupied by a (100) surface of copper based on an entire region occupied by copper at a surface of the negative electrode current collector.

Abstract: The present invention relates to: a current collector comprising a metal plate having a plurality of through holes formed in the thickness direction, and a porous reinforcing material filling the through holes of the metal plate; and a secondary battery comprising the current collector, and provides the effects of increasing ion conductivity of the current collector in the thickness direction and preventing stress from being concentrated at a specific part.

Abstract: The present invention relates to an electrolyte composition including a lithium salt; a non-aqueous organic solvent; a compound represented by a specific formula; and a perfluoropolyether oligomer, a gel polymer electrolyte including a polymer network which is formed by a polymerization reaction of the electrolyte composition, and a lithium secondary battery including the same.