Abstract: A method of producing a mixed manganese ferrite catalyst, and a method of preparing 1,3-butadiene using the mixed manganese ferrite catalyst. Specifically, a method of producing a mixed manganese ferrite catalyst through a coprecipitation method which is performed at a temperature of 10˜40° C., and a method of preparing 1,3-butadiene using the mixed manganese ferrite catalyst through an oxidative dehydrogenation reaction, in which a C4 mixture containing n-butene, n-butane and other impurities is directly used as reactants without performing additional n-butane separation process or n-butene extraction. 1,3-butadiene can be prepared directly using a C4 mixture including n-butane at a high concentration as a reactant through an oxidative hydrogenation reaction without performing an additional n-butane separation process, and 1,3-butadiene, having high activity, can be also obtained in high yield for a long period of time.

Abstract: Disclosed are a molecular sieve catalyst and a preparation method thereof to produce light olefins from cracking naphtha catalytically in severe environments of high temperature and high moisture. In detail, the catalyst is prepared by spray-drying and calcining the mixed slurry, in which 0.01˜5.0 wt % of MnO2 and 1˜15 wt % of P2O5 are simultaneously imbedded in catalyst which consists of zeolite, clay and inorganic complex. According to the present invention, the method that manganese and phosphate are imbedded simultaneously in zeolite and inorganic complex is used to increases thermal-stability of obtained spherical catalyst, and increase olefin yield of cracking hydrocarbon such as naphtha by protecting acid-site of zeolite. To synthesize the required catalyst, the important procedures are mixing ratio and mixing sequence of Mn, P, zeolite, and inorganic complex.

Abstract: Provided are an apparatus and method for coding and decoding a multi-object audio signal. The apparatus includes a down-mixer for down-mixing the audio signals into one down-mixed audio signal and extracting supplementary information including header information and spatial cue information for each of the audio signals, a coder for coding the down-mixed audio signal, and a supplementary information coder for generating the supplementary information as a bit stream. The header information includes identification information for each of the audio signals and channel information for the audio signals.

Abstract: A battery cell balancing system is disclosed. In one embodiment, the system includes a plurality of battery cells arranged in series and a power supply configured to receive the cumulative voltage of the battery cells and output a first charging voltage to one of the battery cells that has a voltage less than a reference voltage. According to one embodiment, it is possible to implement a cell balancing operation using the cumulative voltage of the battery cells.

Abstract: A battery management system having a switch controlling a relay is provided with a short circuit protection (SCP) cutting off power input to a coil of the relay in the occurrence of a failure in the switch and a switch controlling the SCP. The battery management system includes a relay switch coupled to a charging/discharging line of battery cells; a charging/discharging relay having a driving coil driving the relay switch; a relay driving unit coupled to one end of the driving coil so as to control the driving coil; a first switch coupled to the charging/discharging relay and the relay driving unit so as to control an on/off of the charging/discharging relay; a control unit that applies a control signal for controlling an on/off of the first switch; an SCP provided between the driving coil and the relay driving unit; and a second switch that controls the SCP.

Abstract: Disclosed is a system and method for reproducing a wave field that reproduces a wave field using a sound bar, the system including an input signal analyzer to divide an input signal into an audio signal for a plurality of channels, and identify a position of a loud speaker corresponding to the plurality of channels, a rendering unit to process the audio signal for the plurality of channels, using a rendering algorithm based on the position, and generate an output signal, and a loud speaker array to output the output signal using loud speakers corresponding to the plurality of channels, and reproduce a wave field.

Abstract: Provided is a method and apparatus for authenticating a password, wherein the method includes: generating at least one input grid cell into which a password is input from among a plurality of grid cells realized on a screen of a user terminal; and authenticating the password when the password is identical to a number of identification grid cells included in an authentication range predetermined based on the at least one input grid cell, wherein the identification grid cells are set to authenticate the password from among the plurality of grid cells. Accordingly, password information may be prevented from being exposed to a third person observer since a variable password is input whenever a user tries password authentication in a terminal.

Abstract: Disclosed herein is a novel gluconacetobacter strain having cellulose producing activity. Specifically, the present invention relates to a novel gluconacetobacter strain producing nano-structured cellulose in a highly efficient manner. The cellulose produced by the strain, due to its superb thermodynamic properties, can be characterized as nano-structured bacterial cellulose and therefore utilized as a bio-nano-fiber. Particularly, the cellulose can be impregnated with a resin to form a cellulose-based resin which can be effectively adapted for a substrate for a liquid crystal display (LCD).

Abstract: The present invention relates to a device for treating ballast water using an electrolysis method so as to prevent ship explosions, and to a method for controlling the prevention of ship explosions using same. The device for treating ballast water using an electrolysis method is installed in a ship, wherein the apparatus comprises: a partition wall for separating an explosion danger zone in which a ballast tank is installed, and a safety zone in which the apparatus for treating ballast water is installed; a chlorine-injection tube linearly passing through said partition wall so as to connect the apparatus for treating ballast water to the ballast tank; and a compressor installed in said chlorine-injection tube so as to maintain a positive pressure in said chlorine-injection tube by transferring water into said chlorine-injection tube, even when an operation using the chlorine-injection tube is stopped.

Abstract: A method and apparatus for analyzing personalized multi-omics data are disclosed. The method includes acquiring a plurality of biological data groups from an individual's gene sample, estimating indices indicating a degree of genetic abnormalities for the biological data groups, and generating a combined index by merging the estimated indices.

Abstract: An electronic device and a method for changing an object according to a bending state. The method includes analyzing coordinates of touch areas to set an arbitrary area; checking that at least one object is included in the set area; and controlling a layout of the at least one object included in the set area according to a bending state.

Abstract: A scan driving device and a driving method thereof are disclosed. The scan driving device includes a plurality of scan driving blocks, and each of the plurality of scan driving blocks includes a first transistor configured to transfer a clock signal inputted to a first clock signal input terminal to a first node according to a first input signal inputted to a first input signal input terminal; a second transistor configured to transfer a first power source voltage to a second node according to a voltage of the first node; and a third transistor configured to transfer the clock signal inputted to the first clock signal input terminal to an output terminal connected to a scan line according to the voltage of the fourth node. The scan driving blocks may also include a plurality of capacitor configured to store and/or change voltage at a plurality of nodes.

Abstract: A cell balancing circuit includes a plurality of battery cells coupled in series, balancing switches, each balancing switch being coupled in parallel to a respective battery cell, balancing resistors, each balancing resistor being coupled in series to the respective battery cell, a balancing controller that individually controls the balancing switches such that the battery cells are discharged through the balancing resistors, and positive temperature coefficient (PTC) elements, each PTC element being positioned adjacent to a respective balancing resistor and electrically coupled to the respective balancing switch coupled in series to the respective balancing resistor

Abstract: A method of recovering a nucleic acid sequence using a probe map includes: aligning a probe onto a target sequence based on a result in which the probe is hybridized to the target sequence; determining a representative value representing each aligned position of the probe; and recovering a base sequence of the target sequence by using a probe map to which the determined representative values and base sequence information of the probe are mapped.

Abstract: Provided are an apparatus and method for coding and decoding a multi object audio signal with multi channel. The apparatus includes: a multi channel encoding means for down-mixing an audio signal including a plurality of channels, generating a spatial cue for the audio signal including the plurality of channels, and generating first rendering information including the generated spatial cue; and a multi object encoding unit for down-mixing an audio signal including a plurality of objects, which includes the down-mixed signal from the multi channel encoding unit, generating a spatial cue for the audio signal including the plurality of objects, and generating second rendering information including the generated spatial cue, wherein the multichannel encoding unit generates a spatial cue for the audio signal including the plurality of objects regardless of a Coder-DECoder (CODEC) scheme the limits the multi channel encoding unit.

Abstract: A method and apparatus for analyzing information about a gene network in which genes included in a genome of an individual are classified into a plurality of subgroups based on functional correlations between the genes is acquired, and subgroups corresponding to an action of at least one drug to be used are visualized.

Abstract: Provided is a process for isolating a catalyst from a solution having a copolymer and a catalyst dissolved therein, after performing copolymerization with the catalyst. More specifically the invention provides selection and application of an adsorbent to be used for the isolation.

Abstract: A one hand lipstick container includes: a container main body having a cylinder standing at the center of a body and a center through-hole; a container cover rotatably connected to the upper portion of the container main body and having an open inlet; a cover holder combined by a spiral with the outer side of the cylinder of the container main body and vertically moving up/down by rotational force of the container cover; a door hinged to the cover holder to open/close the upper portion of the cover holder; a lipstick housing combined by a spiral with the inner side of the center through-hole of the container main body and vertically moved up/down by rotational force of the cover holder; and a vertical guide transmitting the rotational force of the cover holder to the lipstick housing and vertically guiding the lipstick housing to move up/down.

Abstract: A receiver circuit includes a first amplification unit, a second amplification unit, a first equalizing unit, and a second equalizing unit. The first amplification unit is configured to differentially amplify an input signal and a reference signal and generate a first intermediate output signal and a second intermediate output signal. The second amplification unit is configured to differentially amplify the first and second intermediate output signals and generate an output signal. The first equalizing unit is configured to control the level of the second intermediate output signal in response to the output signal. And the second equalizing unit is configured to control the level of the first intermediate output signal in response to the output signal.

Abstract: There is provided an organic light emitting display capable of increasing an aperture ratio. The organic light emitting display includes red pixels including red emission regions, green pixels including green emission regions, and blue pixels including blue emission regions. In at least one of the red emission regions, the green emission regions, and the blue emission regions, a distance between an emission region and an adjacent emission region above the emission region is different from a distance between the emission region and another adjacent emission region below the emission region.