Abstract: Provided is a separator for a lithium secondary battery. The separator for the lithium secondary battery may include a separator substrate, a first coating layer on the separator substrate, and a second coating layer on the first coating layer, wherein the first coating layer includes a solid electrolyte, and the second coating layer includes a lithium compound.

Abstract: Provided is a method for manufacturing a composition for increasing cognitive function.

Abstract: A service identifying and processing method using a wireless terminal message according to an exemplary embodiment of the present invention includes (a) receiving a wireless terminal message by a first entity which is a mobile device; and (b) expressing, by a first agent which is an information processing application program installed on the first entity, entity information of second entity based on the wireless terminal message and service confirmation information related to service provided by the second entity, through an application screen by the first agent.

Abstract: The present disclosure relates to an organic electroluminescent compound, a plurality of host materials, and an organic electroluminescent device comprising the same. By comprising the compound according to the present disclosure or by comprising a specific combination of compounds according to the present disclosure as a plurality of host materials, it is possible to produce an organic electroluminescent device having improved driving voltage, luminous efficiency, and/or lifetime properties compared to the conventional organic electroluminescent devices.

Abstract: The present invention relates to a composition for an organic optoelectronic device, the composition comprising: a first host compound represented by Chemical Formula 1 below; and a second host compound represented by Chemical Formula 2 below, to an organic optoelectronic device using the composition and a display device. The details of Chemical Formulas 1 and 2 above are as defined in the specification.

Abstract: The present invention relates to a composition for an organic optoelectronic device, the composition comprising: a first host compound represented by Chemical Formula 1 below; and a second host compound represented by Chemical Formula 2 below, to an organic optoelectronic device using the composition and a display device. The details of Chemical Formulas 1 and 2 above are as defined in the specification.

Abstract: The present disclosure provides a target for aerial survey transformable to hand-fan shape. In this instance, the target includes a central axis, a first identification marker with one end connected to the central axis and having a first length outwards, and a second identification marker with one end connected to the central axis and having a second length outwards, the second identification marker disposed on the first identification marker, wherein the second length is shorter than the first length, the first identification marker includes a plurality of first unit areas having a predetermined angle therebetween with respect to the central axis, and the plurality of first unit areas has an overlap between adjacent first unit areas.

Abstract: Provided are a selective recovery method of vanadium and cesium from a waste sulfuric acid vanadium catalyst by a hydrometallurgical method including water leaching, solid-liquid separation, vanadium solvent extraction, vanadium selective stripping, and cesium alum production, and a high-quality vanadium aqueous solution and cesium alum produced thereby.

Abstract: Discussed is a pin push inspection connector that can include a first connector assembly having a front portion adapted to connect to a connector under test in a first direction and to be fixedly coupled to the connector under test; and a second connector assembly having a front portion connected to a rear portion of the first connector assembly in the first direction and provided so that a connection interval with respect to the first connector assembly is variably adjusted in the first direction or a second direction that is opposite to the first direction. The second connector assembly can include at least one inspection pin provided therein to be connected to at least one terminal pin provided in the connector under test.

Abstract: A network server for providing web pages to user terminals which access through user identifications (IDs) may include: a communicator connected to a network; and a processor configured to communicate with the user terminals through the communicator. The processor may be configured to score first convertibility points corresponding to the respective user IDs, according to whether actions of the user terminals on the web pages are matched with predetermined user events, select one of the plurality of message types according to whether the first convertibility point of one user ID among the user IDs is higher than a threshold value, when the one user ID accesses through a user terminal, and provide the selected message type including the selected object to the user terminal of the one user ID.

Abstract: Provided are a selective recovery method of vanadium and cesium from a waste sulfuric acid vanadium catalyst by a hydrometallurgical method including water leaching, solid-liquid separation, vanadium solvent extraction, vanadium selective stripping, and cesium alum production, and a high-quality vanadium aqueous solution and cesium alum produced thereby.

Abstract: A network server for providing web pages to user terminals which access through user identifications (IDs) may include: a communicator connected to a network; and a processor configured to communicate with the user terminals through the communicator. The processor may be configured to score first convertibility points corresponding to the respective user IDs, according to whether actions of the user terminals on the web pages are matched with predetermined user events, select one of the plurality of message types according to whether the first convertibility point of one user ID among the user IDs is higher than a threshold value, when the one user ID accesses through a user terminal, and provide the selected message type including the selected object to the user terminal of the one user ID.

Abstract: The present invention relates to a waste battery treatment apparatus using continuous heat treatment, and a method for recovering valuable metals from lithium-based batteries using the same, the waste battery treatment apparatus comprising: a frame (10); a reaction reservoir (30) which is disposed in the inner space of the frame (10) and has thereinside a treatment space (S1) in which waste batteries to be treated are disposed; an inlet 34 (33) in which a gas blocking door (34) is disposed so as to selectively communicate the treating space (S1) with the outside, and which serves as a path through which an object to be treated is inputted to the treating space (S1) of the reaction reservoir (30). In addition, the waste battery treatment apparatus is provided with a vacuum forming means (40) which is connected to the treatment space (S1) of the reaction reservoir (30) to vacuumize the treatment space (S1).

Abstract: A rotor of a motor capable of improving durability of the motor by increasing a bonding force between a ring magnet and a resin. The rotor includes a ring magnet having an insertion hole passing through the center thereof, a shaft inserted into the insertion hole, and a resin that is disposed between the insertion hole and the shaft and fixes the ring magnet and the shaft. The resin extends to upper and lower surfaces of the ring magnet so as to cover at least parts of the upper and lower surfaces of the ring magnet.