Abstract: A method for producing a lead-free X-ray shielding material using bismuth iodide is provided, the method including a first step of producing porous PDMS (Polydimethylsiloxane); a second step of producing a mixed solution of BiI3 and THF; and a third step of immersing the porous PDMS into the mixed solution such that the BiI3 is loaded into the porous PDMS to produce a BiI3-PDMS composite material.

Abstract: A coil component includes: a body having first and second recesses on outer surfaces, and including magnetic powder particles; a support member disposed in the body; a coil disposed on the support member; and first and second external electrodes disposed on one surface of the body and respectively extending to the first and second recesses to be connected to the coil, wherein the body is divided into a first region and a second region, an average diameter of the magnetic powder particles included in the second region is smaller than an average diameter of the magnetic powder particles included in the first region, and the first and second recesses are disposed in the second region.

Abstract: The disclosure relates to a tobacco material including a natural flavor material and a method of preparing the tobacco material. The tobacco material may have a core-shell structure in which a core includes a natural flavor material and is surrounded by a shell including a tobacco mixture, such that the aerosol generating article including the tobacco material generates a characteristic flavor.

Abstract: One or more embodiments relate to an aerosol generating article including: a first portion including an aerosol generating element; a second portion including a cooling element; a third portion including a tobacco element; and a fourth portion including a filter element, wherein the first through fourth portions are sequentially arranged in a longitudinal direction of the aerosol generating article.

Abstract: A semiconductor device is provided. The semiconductor device includes a first stacked structure including a plurality of first insulating patterns and a plurality of first semiconductor patterns alternately stacked on a substrate, the first stacked structure extending in a first direction parallel to an upper surface of the substrate, a first conductive pattern on one side surface of the first stacked structure, the first conductive pattern extending in a second direction crossing the upper surface of the substrate, and a first ferroelectric layer between the first stacked structure and the first conductive pattern, the first ferroelectric layer extending in the second direction, wherein each of the first semiconductor patterns includes a first impurity region, a first channel region and a second impurity region which are sequentially arranged along the first direction.

Abstract: A method for unlocking the electronic device includes displaying a screen for verifying a registered user, determining whether a user is a registered user in the electronic device based on a user input to the screen for verifying a registered user, and unlocking the electronic device when the user is determined to be the registered user.

Abstract: Provided is an aerosol generating apparatus including: a susceptor configured to heat an aerosol generating article inserted into an accommodation space of the aerosol generating apparatus; an induction coil arranged around the susceptor and configured to heat the susceptor by induction heating; a switching module configured to switch an electrical path of the induction coil; and a controller electrically connected to the switching module and configured to detect insertion of the aerosol generating article on the basis of a change in an inductance of the induction coil by setting a control mode for the induction coil to a reception mode, and when the insertion of the aerosol generating article is detected, switch the control mode to a transmission mode for activating the induction heating, via the switching module.

Abstract: An embodiment of the present disclosure discloses tobacco material including: a center portion including a flavor material; and an outer portion including a tobacco mixture, wherein the outer portion surrounds the center portion.

Abstract: Disclosed is a novel transition metal compound that exhibits excellent catalytic activity in polyethylene polymerization and is useful for preparing polyethylene having a high intramolecular short-chain branch content without deteriorating physical properties such as molecular weight, melting point, and density; a catalyst composition comprising the same; and a method for preparing polyethylene using the same.

Abstract: Disclosed are a method and apparatus for reusing wastewater. The method for reusing wastewater disclosed herein includes: generating a mixed wastewater by mixing multiple types of wastewater (S20); performing a first purification by passing the mixed wastewater through a flocculation-sedimentation unit (S40); performing a second purification by passing an effluent of the flocculation-sedimentation unit through a membrane bioreactor (MBR) (S60); performing a third purification by passing an effluent of the MBR through a reverse-osmosis membrane unit (S80); and reusing an effluent of the reverse-osmosis membrane unit as cooling water or industrial water (S100).

Abstract: An organic light emitting device including: a substrate; a first electrode; a second electrode; and an organic layer interposed between the first electrode and the second electrode and including an emission layer, wherein one of the first electrode and the second electrode is a reflective electrode and the other is a semitransparent or transparent electrode, and wherein the organic layer includes a layer having at least one of the compounds having at least one carbazole group, and a flat panel display device including the organic light emitting device. The organic light emitting device has low driving voltage, excellent current density, high brightness, excellent color purity, high efficiency, and long lifetime.

Abstract: An aerosol generating device includes: a housing including a hole for receiving an aerosol generating article and a guide apart from the hole; and a cover configured to move along the guide between a first position and a second position to open or close the hole, wherein the hole is open when the cover is located in the first position, and the hole is closed when the cover is located in the second position.

Abstract: A camera module includes: a first substrate on which an image sensor configured to convert an optical signal incident through a lens module into an electrical signal is disposed and a first connection terminal is disposed; a second substrate spaced apart from the first substrate and including a second connection terminal formed in a position facing the first connection terminal; and a terminal connector electrically connecting the first connection terminal and the second connection terminal to each other and configured to maintain a preset distance between the first substrate and the second substrate. In the camera module, the terminal connector includes: a connecting member including a first connection portion, a second connection portion, and a deformable portion; and a support member configured to maintain the preset distance between the first substrate and the second substrate.

Abstract: The present disclosure discloses beamforming methods and apparatuses. According to an exemplary embodiment of the present disclosure, an antenna message generation deep neural network (DNN) and a beam characteristic generation DNN of a bipartite graph neural network (BGNN) having terminals as vertices on one side and APs as vertices on another side may be constructed.

Abstract: A method for evaluating physical properties of a melt-blown plastic resin, and, more specifically, to a novel method for evaluating physical properties are provided. When a particular plastic resin is processed by a melt-blown process, a stretching diameter value after the process of the plastic resin can be accurately derived from a physical property value measured using a specimen of the resin.

Abstract: A method for online contents registration is provided. The method includes registering a contents manuscript to a contents management server, registering a voice source generated by a voice actor to the contents management server based on the contents manuscript, providing the voice source to a user through the contents management server, registering video contents created by the user to the contents management server based on the voice source, and distributing profits generated based on consumption or distribution of the created video contents.

Abstract: A device for folding a seat may include: a lower arm stopper fixed to a predetermined radial position with respect to a reclining hinge shaft of a seatback as a center; a lock plate configured to rotate about a rotation shaft as a center while being hooked to the lower arm stopper in a process of reclining forward together with the seatback with respect to the reclining hinge shaft as the center; and a folding link limited to rotate by being hooked to the lock plate and configured to make folding rotation together with the seatback with respect to a folding hinge shaft, as a center, located at a part above the reclining hinge shaft, by being released from being hooked to the lock plate according to the rotation of the lock plate.

Abstract: A power supply and signal transmission device for a vehicle seat rail is provided. The device includes a contact-type power supply unit configured to supply power to an electrical device mounted on a seat, and a contact-type signal transmission unit configured to transfer seat drive control signals. The contact-type power supply unit and the contact-type signal transmission unit are directly mounted on the seat rail.

Abstract: The present invention provides a polypropylene resin pellet that is environment friendly, has excellent workability, and enables preparation of fine denier fiber, and a method for preparing the same.

Abstract: The present disclosure relates to a retina imaging method in which a light from a light source into two lights is dispersed, at least one eyeground image of the eyeball at a first magnification is obtained by adjusting the paths of the two lights incident on the eyeball, and a plurality of DIC images are obtained at a second magnification higher than the first magnification with respect to the retina of the entirety of the obtained at least one eyeground image by adjusting the paths of the two lights incident on the eyeball.