Abstract: A storage device may generate mapping information between a plurality of memory regions and one or more namespaces. The storage device may record information on empty memory regions among the plurality of memory regions in an empty table, and may determine empty memory regions to be mapped to a target namespace among the empty memory regions recorded in the empty table.

Abstract: Disclosed are an electrolyte membrane of a membrane-electrode assembly including an electronic insulation layer, which greatly improves the durability of the electrolyte membrane, and a method of preparing the same. The electrolyte membrane includes an ion exchange layer and an electronic insulation layer provided on the ion exchange layer, and the electronic insulation layer includes one or more catalyst complexes, and a second ionomer Particularly, each of the one or more catalyst complex includes a catalyst particle and a first ionomer coated on the entirety or a portion of the surface of the catalyst particle, and the one or more catalyst complexes are dispersed the second ionomer.

Abstract: The present disclosure relates to a thin film manufacturing apparatus including a chamber having an inner process space of a substrate, a substrate support unit connected to the chamber to support the substrate in the chamber, a heat source unit connected to the chamber and disposed opposite to the substrate support unit, a plasma generation unit connected to one side of the chamber to supply radicals between the substrate support unit and the heat source unit, and a baffle connected to the chamber and including a movement passage of the radicals therein and a plurality of first exhaust holes communicating with the movement passage, which are formed in a top surface thereof. The thin film manufacturing apparatus may improve uniformity of the thin film formed on the substrate.

Abstract: Hybrid nanomaterials, methods of making the nanomaterials, and methods of using the nanomaterials to detect hydrogen gas.

Abstract: Provided is a cognitive experiment method for change in periphery region image quality for parameter determination of a foveated hologram. According to an embodiment, a cognitive experiment method for determining foveated image parameters includes: generating a foveated image which includes a foveal region and a periphery region while reducing image quality regarding the periphery region; displaying the generated foveated image; receiving an input of a response to image quality of the periphery region from a subject; and collecting information regarding appropriate image quality of the periphery region, based on the response inputted by the subject. Accordingly, in applying a foveated hologram generation algorithm for real-time reproduction, various parameters such as a boundary between a foveal region image and a periphery region image in a foveated hologram, and a degree of quality degradation of the periphery region image may be appropriately determined through a cognitive experiment.

Abstract: Provided is a holographic optical element printing method using a tunable focus lens and a rotating mirror. According to an embodiment, a holographic printer includes: a first optical engine and a second optical engine configured to adjust a phase of an incident collimated beam and emit the collimated beam; and a first reduction optical system and a second reduction optical system configured to reduce the beam emitted from the first optical engine and the second optical engine and to allow the beam to enter a holographic material, wherein each of the first optical engine and the second optical engine includes: a rotating mirror configured to reflect while adjusting the phase of the incident collimated beam through rotation; and a tunable focus lens configured to refract while adjusting the phase of the incident collimated beam reflected from the rotating mirror through focus tuning.

Abstract: Provided is a hologram image normalization method for a holographic printer. In a holographic printing method according to an embodiment, generating, encoding, and normalizing for the (n+1)-th hogel are performed in parallel with loading and recording of a normalized hologram for the n-th hogel, and moving and waiting for the (n+1)-th hogel. Accordingly, a global maximum value and a global minimum value for normalization may be calculated as approximate estimation values, and a hologram generation process and a printing process may be performed in parallel, so that a total printing time may be minimized and memory usage may be optimized when holographic printing is performed.

Abstract: A technical problem to be achieved by the present disclosure is to provide an adhesive resin composition for a conductor, which contains inorganic fillers having different average particle diameters and has enhanced thermal conductivity as a result of controlling the content of the inorganic fillers, and an adhesive film for a semiconductor produced using the same.

Abstract: A display includes a plurality of pixels in a non-quadrangular display area and a plurality of first driving circuits and a plurality of second driving circuits in a peripheral area of the display area. Each of the pixels is connected to a first signal line in a first direction and a second signal line in a second direction crossing the first direction. Each of the first driving circuits outputs a first signal to the first signal line of a corresponding one of the pixels. Each of the second driving circuits outputs a second signal to the second signal line of a corresponding one of the pixels. The number of second driving circuits between neighboring first driving circuits is different depending on a position in the peripheral area.

Abstract: An oil adsorbent is manufactured by including performing heat treatment on a non-woven fabric for low-temperature carbonization, and has the effect of adsorbing and evaporating oil having various carbon numbers ranging from a low boiling point to a high boiling point to remove the oil, has photothermal conversion efficiency, high evaporation efficiency of oil by sunlight, and a high adsorption amount and high adsorption rate, thereby making the adsorption-evaporation cycle fast and efficiently performing the adsorption-evaporation, and has an environmentally friendly effect that does not cause any environmental problems even if the oil adsorbent is put into a river, a sea, or the like and then lost.

Abstract: An oil absorbent is manufactured by including performing heat treatment on a non-woven fabric for low-temperature carbonization, and has the effect of adsorbing and evaporating oil having various carbon numbers ranging from a low boiling point to a high boiling point to remove the oil, has photothermal conversion efficiency, high evaporation efficiency of oil by sunlight, and a high adsorption amount and high adsorption rate, thereby making the adsorption-evaporation cycle fast and efficiently performing the adsorption-evaporation, and has an environmentally friendly effect that does not cause any environmental problems even if the oil absorbent is put into a river, a sea, or the like and then lost.

Abstract: The present invention is directed to a method for effectively separating HMX and RDX from HMX/RDX-included explosives, respectively, without using a harmful organic solvent, the method capable of respectively separating HMX and RDX from HMX/RDX-included explosives by selectively dissolving RDX included in explosives by using a difference between solubility parameters of HMX and RDX with respect to compressed dimethylether. The present invention is further directed to an apparatus for respectively separating HMX and RDX from HMX/RDX-included explosives comprising a dimethylether supplying unit, an explosive particle dissolving unit, and an explosive particle collecting unit.

Abstract: The present invention relates to a method for recrystallizing fine spherical cyclotrimethylenetrinitramine (Research Department Explosive, hereinafter, referred to as “RDX”) particles, and the method for recrystallizing fine spherical RDX particles according to the present invention may include (a) introducing a powder material containing RDX into a container, (b) introducing a dimethylether compressed gas into the container and dissolving the RDX to form a RDX solution, (c) releasing and decompressing the RDX solution into atmospheric pressure to form crystallized RDX particles, and (d) separating and collecting the RDX particles.

Abstract: The present invention relates to a method for recrystallizing fine spherical cyclotrimethylenetrinitramine (Research Department Explosive, hereinafter, referred to as “RDX”) particles, and the method for recrystallizing fine spherical RDX particles according to the present invention may include (a) introducing a powder material containing RDX into a container, (b) introducing a dimethylether compressed gas into the container and dissolving the RDX to form a RDX solution, (c) releasing and decompressing the RDX solution into atmospheric pressure to form crystallized RDX particles, and (d) separating and collecting the RDX particles.

Abstract: The present invention is directed to a method for effectively separating HMX and RDX from HMX/RDX-included explosives, respectively, without using a harmful organic solvent, the method capable of respectively separating HMX and RDX from HMX/RDX-included explosives by selectively dissolving RDX included in explosives by using a difference between solubility parameters of HMX and RDX with respect to compressed dimethylether. The present invention is further directed to an apparatus for respectively separating HMX and RDX from HMX/RDX-included explosives comprising a dimethylether supplying unit, an explosive particle dissolving unit, and an explosive particle collecting unit.

Abstract: Disclosed is a method for electronic examination of medical fees, and more particularly to a method for electronic examination of medical fees using a system for electronic examination of medical fees. The system includes a transmit/receive server, a bill examination server, a management terminal and examiner terminals, and communicates with each medical institution server and a national health insurance corporation server. The bill examination server checks any error in medical bills and specifications received from each medical institution server through description inspection, automatic inspection, specialist inspection and computational examination. The bill examination server returns, corrects or adjusts any erroneous bill or specification, or inserts a message into the erroneous bill or specification. The management terminal distributes medical bills and specifications on which computational examination has been completed to the examiner terminals.

Abstract: The present invention relates to a cellulose fiber having a highly homogeneous section, particularly to a cellulose fiber with lower Coefficient of Variation of section diameter (CV(%)). Specifically, the present invention relates to a cellulose fiber wherein Coefficient of Variation of section diameter (CV(%)) of a mono-filament constituting a multi-filament prepared by dissolving a cellulose powder in liquid N-methylmorpholine N-oxide (hereinafter referred to “NMMO”) is below 2.5. According to the present invention, a lyocell multi-filament is produced comprising the steps of (i) preparing a spinning solution by homogeneously dispersing, swelling and dissolving cellulose powder in a NMMO solution; (ii) spinning the spinning solution into an air gap through a spinning nozzle; and (iii) coagulating the extruded-spun spinning solution in a coagulation bath. In particular, the coagulating step is adjusted by means of a coagulation coefficient in the range of 0.8 to 1.

Abstract: Disclosed is a method for electronic examination of medical fees, and more particularly to a method for electronic examination of medical fees using a system for electronic examination of medical fees. The system includes a transmit/receive server, a bill examination server, a management terminal and examiner terminals, and communicates with each medical institution server and a national health insurance corporation server. The bill examination server checks any error in medical bills and specifications received from each medical institution server through description inspection, automatic inspection, specialist inspection and computational examination. The bill examination server returns, corrects or adjusts any erroneous bill or specification, or inserts a message into the erroneous bill or specification. The management terminal distributes medical bills and specifications on which computational examination has been completed to the examiner terminals.