Abstract: A multilayer ceramic capacitor includes a body including a capacitance region in which a plurality of first internal electrodes and a plurality of second internal electrodes are alternately stacked in a first direction with a dielectric layer interposed therebetween, and first and second external electrodes disposed on the body and spaced apart from each other to be connected to the plurality of first internal electrodes and the plurality of second internal electrodes, respectively, wherein the capacitance region includes one or more groups of first openings. The first openings in each group overlap in the first direction and are continuously open in two or more internal electrodes of the plurality of first and second internal electrodes, and a number of internal electrodes included in each group is less than a total number of the plurality of first internal electrodes and the plurality of second internal electrodes.

Abstract: A positive electrode additive for a lithium secondary battery can improve atmospheric stability. A method of manufacturing the same and a positive electrode for a lithium secondary battery includes the same. The positive electrode additive for a lithium secondary battery is used to manufacture the positive electrode for a lithium secondary battery and includes a lithium (Li)-based additive core and a coating layer of NbOXCy (0?x?2.5 and 0?y?1; where Nb=niobium, O=oxygen, C=carbon) formed on a surface of the additive core.

Abstract: The present invention relates to a liquid butadiene compound with both ends modified, a method for preparing same, and a use thereof. More specifically, the present invention provides a liquid butadiene rubber compound with both ends modified that is synthesized using a chain transfer agent having a triethoxysily functional group and a tetrasulfide functional group, and a 1,3-butadiene monomer, a rubber composition for a tire comprising same, a method for preparing same, and the like. According to the present invention, by introducing a silica-friendly functional group at both ends of the chain, hysteresis or the like caused by the chain ends of an existing liquid butadiene rubber is controlled, and thus, various performances affecting fuel efficiency characteristics can be improved.

Abstract: The present exemplary embodiments relate to positive electrode active materials. The positive electrode active material according to an exemplary embodiment is a metal oxide particle including a center and a surface portion positioned on the surface of the center, where the metal oxide particle includes nickel, cobalt, manganese, and doping elements, and is composed of single particles, and the doping elements include two or more species selected from the group consisting of Zr, Al, B, P, La, Ta, Ti, W, Mo, Si, Ga, Zn, Nb, Ag, Sn, Bi, Au, Y, Ge, V, Cr, and Fe.

Abstract: A femtosecond pulse laser apparatus includes a pump light source configured to provide a pump light, a gain medium configured to obtain a gain of a laser light using the pump light, a first curved mirror and a second curved mirror, which are provided at both sides of the gain medium, an output mirror configured to transmit a portion of the laser light and reflect the other portion of the laser light to the gain medium, a mode locking portion configured to generate a femtosecond pulse of the laser light, and an acoustic wave generator configured to provide an acoustic wave into the gain medium so as to adjust self-phase modulation of the laser light.

Abstract: A multilayer ceramic capacitor includes a body including a capacitance region in which at least one first internal electrode and at least one second internal electrode are alternately stacked in a first direction with at least one dielectric layer interposed therebetween; and first and second external electrodes disposed on the body to be spaced apart from each other with the capacitance region interposed therebetween in a second direction, different from the first direction, and respectively connected to the at least one first internal electrode and the at least one second internal electrode, wherein the body further includes a plurality of margin regions disposed with the capacitance region interposed therebetween in a third direction, different from the first and second directions, wherein each of the plurality of margin regions includes a second margin region and a first margin region disposed between the second margin region and the capacitance region, and wherein a size of a crystal grain in the second

Abstract: The present disclosure relates to an inverter module which can be coupled to another inverter module, the inverter module comprising: a main PCB having a main substrate on which a plurality of circuits are printed; a plurality of sub-PCBs coupled to the main PCB and each having one end exposed through the main PCB; and a case for receiving the main PCB and the sub-PCBs, wherein when the inverter module is coupled to another inverter module, the ends of the sub-PCBs exposed to the outside of the case are coupled to the another adjacent inverter module. According to the present disclosure, a plurality of inverter modules can be connected and used as one inverter system, and thus an inverter system having a required capacity can be easily implemented.

Abstract: A fuel cell system includes a purge valve that discharges hydrogen on a hydrogen supply line passing a fuel cell stack, an operation state monitoring device that monitors an operation state of the fuel cell stack, and a controller that determines a purge frequency based on the operation state and controls the purge valve with reference to the determined purge frequency.

Abstract: The present invention relates to an attenuated reovirus-based vaccine composition and a use thereof, the attenuated reovirus, according to the present invention, having the 251st to 455th amino acids of a sigma-1 protein of a capsid truncated such that when an epitope of an antigenic protein inducing cancer or infectious disease is introduced to the truncated site of the sigma-1 protein, the epitope of the antigenic protein is stably expressed in a cell, and thus the effect is gained of exhibiting an immune response such as producing a neutralizing antibody or inducing cell-mediated immunity. As such, the present invention is expected to be usefully employable as a vaccine composition for cancer or infectious disease by introducing the epitope of the antigenic protein to the truncated site of the sigma-1 protein of the attenuated reovirus according to the present invention.

Abstract: A viewing angle expansion plate, which is a multi-pinhole mask, includes a plurality of cell areas; and a plurality of pinholes formed in the plurality of cell areas, wherein each cell area from among the plurality of cell areas corresponds to a respective pixel from among a plurality of pixels in a flat panel display. The flat panel display includes a light source configured to emit parallel light; a flat panel, on which the parallel light is incident, configured to provide a three-dimensional image; and the viewing angle expansion plate.

Abstract: A positive electrode active material for a lithium secondary battery, a manufacturing method thereof, and it is provided a positive electrode active material for a lithium secondary battery, comprising: a core containing a lithium nickel-based compound having a Ni content of 80 mol % or more; and a coating material positioned on at least a portion of the core surface; wherein, the coating material includes a first coating material containing at least one of group 5 elements and group 6 elements; and S; and a second coating material including B, LiOH, Li2CO3 and Li2SO4.

Abstract: A positive electrode active material for a lithium secondary battery, a manufacturing method thereof, and a lithium secondary battery including the same, wherein the positive electrode active material is a lithium nickel-based compound particle having a Ni content of 75 mol % or more, and a difference in concentration of Al between the center and the surface in the lithium nickel-based compound particle is less than 1 mol %.

Abstract: Provided are a recombinant microorganisms having a genetic modification that increases the expression of bacterioferritin, a composition comprising the recombinant microorganism for use in reducing a nitrogen oxide concentration in a sample, and a method of reducing a nitrogen oxide concentration in a sample.

Abstract: A conductive composite material, a method of preparing the same, and a secondary battery including the same. The conductive composite material may increase the proportion of an active material when forming an electrode by chemically bonding a conductive material and a binder to each other. A method of preparing the conductive composite material comprises ionizing carbon-based particles in a predetermined polarity, ionizing PTFE particles in a polarity different from that of the carbon-based particles, and chemically bonding the ionized carbon-based particles and the ionized PTFE particles, which are ionized in different polarities, to each other.

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: A positive electrode material for a lithium secondary battery has improved electron conductivity and surface stability because oxidation-treated carbon nanotubes are stably attached to the surface of an active material. According to one embodiment the positive electrode material includes a positive electrode active material core made of a Li—Ni—Co—Mn-M-O-based material (M=transition metal) and an oxidized carbon nanotube coating layer formed on the surface of the positive electrode active material core and including 1% to 3% by weight of oxidation-treated carbon nanotubes (OCNT) relative to 100% by weight of the positive electrode active material core.

Abstract: Provided is a holographic display apparatus including: a spatial light modulator that modulates a wavefront of a reference beam to form a hologram image; an optical element arranged to change a position of a viewing window of the hologram image off-axis by a first angle; and an image processor that generates hologram data according to the position of the viewing window of the hologram image and a hologram image to be reproduced, and provides the hologram data to the spatial light modulator. The hologram image formed by the spatial light modulator is viewable from a side of the spatial light modulator.

Abstract: A multilayered capacitor includes a capacitor body including dielectric layers, a pair of first internal electrode layers with a first one of the dielectric layers interposed therebetween and a pair of second internal electrode layers stacked with a second one of the dielectric layers interposed therebetween, and a first external electrode and a second external electrode on both sides of the capacitor body in a longitudinal direction of the capacitor body. The pair of first internal electrode layers are respectively connected to the first external electrode and the second external electrode and the pair of second internal electrode layers are respectively connected to the first external electrode and the second external electrode. In a width direction of the capacitor body, an average length of the pair of first internal electrode layers and an average length of the pair of second internal electrode layers are different.

Abstract: A positive electrode material for a lithium secondary battery and a manufacturing method therefor are provided. The positive electrode material may have carbon nanotubes stably attached to a surface of an active material and may exhibit increased electron conductivity and improved surface stability. The positive electrode material for a lithium secondary battery may comprises: a positive electrode active material core comprising a Li—Ni—Co—Mn-M-O-based material, where M is a transition metal; and a carbon nanotube coating layer on a surface of the positive electrode active material core. Carbon nanotubes (CNT) may be in an amount of 1-5 wt %, based on 100 wt % of the positive electrode active material core.

Abstract: A method of reducing a concentration of a nitrogen oxide, the method comprising: contacting a microorganism with a nitrogen oxide-containing sample to reduce the concentration of the nitrogen oxide in the sample, wherein the contacting comprises contacting the microorganism with Fe(II)(L)-NOx in a bioreactor, wherein the Fe(II)(L)-NOx is a complex in which a chelating agent, Fe2+, and NOx are chelated, wherein L is the chelating agent, and wherein NOx is a nitrogen oxide ligand.