Abstract: The present disclosure provides a resource-circulation-type and eco-friendly livestock manure treatment method, and a system for producing algal biomass used therein, the method being capable of: preventing water pollution while allowing livestock liquid fertilizer to be treated on the basis of a biological process; producing algal biomass; and supplying the produced algal biomass to livestock feed and farms.

Abstract: A quantum dot including a core comprising a first semiconductor nanocrystal including a zinc chalcogenide and a semiconductor nanocrystal shell disposed on the surface of the core and comprising zinc, selenium, and sulfur. The quantum dot does not comprise cadmium, emits blue light, and may exhibit a digital diffraction pattern obtained by a Fast Fourier Transform of a transmission electron microscopic image including a (100) facet of a zinc blende structure. In an X-ray diffraction spectrum of the quantum dot, a ratio of a defect peak area with respect to a peak area of a zinc blende crystal structure is less than about 0.8:1. A method of producing the quantum dot, and an electroluminescent device including the quantum dot are also disclosed.

Abstract: An apparatus for detecting a body component according to an example embodiment includes: a sensor configured to detect a bio-signal of an object according to a contact pressure that gradually changes between the object and the sensor; and a processor configured to determine a time point, at which an amplitude of an alternating current (AC) component of the bio-signal is maximum or a slope of a direct current (DC) component of the bio-signal is maximum, and to detect a body component of the object based on the determined time point.

Abstract: In an embodiment a method includes manufacturing a membrane-electrode-gas diffusion layer assembly (MEGA) fabric by bonding a gas diffusion layer (GDL) material to a first surface of a membrane-electrode assembly (MEA) fabric, injecting, by a steam injector, a liquid material to a first surface of the MEGA fabric while allowing the liquid material to be absorbed to the first surface of the MEGA fabric, supplying, by a gas injector, compressed gas to a second surface of the MEGA fabric in which the liquid material has been absorbed, inspecting, by a surface inspection device, a surface state of the MEGA fabric after supplying the compressed gas and, after inspecting, winding the MEGA fabric around a MEGA winding unit.

Abstract: A method for linear optical quantum computing includes configuring at least two first Greenberger-Horne-Zeilinger (GHZ) states consisting of three photons; configuring at least one second GHZ state consisting of four or more photons by firstly combining the at least two first GHZ states; generating at least one microcluster; forming a plurality of star clusters consisting of four side qubits around the central qubit; configuring Raussendorf-Harringon-Goyal (RHG) lattice by using the plurality of star clusters; and measuring at least one central qubit of the RHG lattice.

Abstract: A ceramic electronic component includes a body including a dielectric layer and an internal electrode, and an external electrode disposed on the body and connected to the internal electrode. The dielectric layer includes a plurality of dielectric grains, and at least one of the plurality of dielectric grains has a core-dual shell structure having a core and a dual shell. The dual shell includes a first shell surrounding at least a portion of the core, and a second shell surrounding at least a portion of the first shell, and a concentration of a rare earth element included in the second shell is more than 1.3 times to less than 3.8 times a concentration of a rare earth element included in the first shell.

Abstract: A quantum dot including a core that includes a first semiconductor nanocrystal including zinc and selenium, and optionally sulfur and/or tellurium, and a shell that includes a second semiconductor nanocrystal including zinc, and at least one of sulfur or selenium is disclosed. The quantum dot has an average particle diameter of greater than or equal to about 13 nm, an emission peak wavelength in a range of about 440 nm to about 470 nm, and a full width at half maximum (FWHM) of an emission wavelength of less than about 25 nm. A method for preparing the quantum dot, a quantum dot-polymer composite including the quantum dot, and an electronic device including the quantum dot is also disclosed.

Abstract: The present invention may provide an organic electroluminescent device which exhibits low driving voltage as well as high efficiency by including an electron transporting layer material having an improved electron transporting ability.

Abstract: An electronic device including a memory device with improved reliability is provided. The semiconductor device comprises a data pin configured to transmit a data signal, a command/address pin configured to transmit a command and an address, a command/address receiver connected to the command/address pin, and a computing unit connected to the command/address receiver, wherein the command/address receiver receives a first command and a first address from the outside through the command/address pin and generates a first instruction on the basis of the first command and the first address, and the computing unit receives the first instruction and performs computation based on the first instruction.

Abstract: A payment terminal monitoring device includes: a communication unit which receives payment information generated in a payment terminal for each store; a detecting unit which detects status information of the payment terminal for each store; and a situation analyzing unit which classifies a store situation for each category, based on the payment information for each store, store information, and the status information and determines a store risk level.

Abstract: A payment terminal monitoring device includes: a communication unit which receives payment information generated in a payment terminal for each store; a detecting unit which detects status information of the payment terminal for each store; and a situation analyzing unit which classifies a store situation for each category, based on the payment information for each store, store information, and the status information and determines a store risk level.