Abstract: The present application relates to a resin composition for 3D printing, a 3D printing method using the same, and a three-dimensional shape comprising the same, and provides a resin composition which is capable of precisely forming a three-dimensional shape and implementing uniform curing properties of a three-dimensional shape.

Abstract: An method for preparing an anion polymerization initiator, a device for preparing the same and an anion polymerization initiator prepared therefrom are provided. And the method for preparing an anion polymerization initiator according to present invention is characterized in that an amine compound of Formula 1 and/or Formula 2; an organometallic compound; and/or a conjugated diene compound are introduced in the form of a solution and reacted.

Abstract: An electronic apparatus is provided. The electronic device includes a plurality of multi-band antennas configured to transmit and receive data to and from an access point, and a processor configured to transmit and receive predetermined data to and from the access point through each of the plurality of multi-band antennas and calculate a data transmission rate of each of the plurality of multi-band antennas, and to select at least one multi-band antenna for transmitting and receiving data to and from the access point based on the calculated data transmission rates.

Abstract: The present invention relates to a copper containing particle with a surface layer for preventing oxidation and a method for manufacturing the same, and provides a copper containing particle including: a core containing a copper component; a shell formed on the surface of the core, containing a silver component, and having at least one pore; and a filler part configured to fill the pore of the shell and contain an antioxidant component.

Abstract: The present application relates to a polymer particle manufacturing method, and according to an example of the manufacturing method and a manufacturing apparatus therefor, a reduction in energy can be achieved by simplifying a manufacturing process thereof.

Abstract: The method of controlling a wireless communication apparatus includes receiving data from a transmitter; transmitting information about transmission of the data to a plurality of receivers; transmitting the data to the plurality of receivers; receiving a response signal about error in receiving the data, from at least one of the plurality of receivers; and retransmitting the data to the plurality of the receivers.

Abstract: The present invention discloses a linear compressor which can rapidly overcome load and improve compression efficiency, by synchronizing an operation frequency of a linear motor with a natural frequency of a movable member varied by the load and varying a stroke of the movable member according to the load. The linear compressor includes a fixed member having a compression space inside, a movable member linearly reciprocated in the fixed member in the axial direction, for compressing refrigerants sucked into the compression space, one or more springs installed to elastically support the movable member in the motion direction of the movable member, spring constants of which being varied by load, and a linear motor installed to be connected to the movable member, for linearly reciprocating the movable member in the axial direction, and varying a stroke of the movable member according to a predetermined refrigeration force, so that the movable member can be linearly reciprocated to reach a top dead center.

Abstract: The present invention relates to a copper containing particle with a surface layer for preventing oxidation and a method for manufacturing the same, and provides a copper containing particle including: a core containing a copper component; a shell formed on the surface of the core, containing a silver component, and having at least one pore; and a filler part configured to fill the pore of the shell and contain an antioxidant component.

Abstract: The method of controlling a wireless communication apparatus includes receiving data from a transmitter; transmitting information about transmission of the data to a plurality of receivers; transmitting the data to the plurality of receivers; receiving a response signal about error in receiving the data, from at least one of the plurality of receivers; and retransmitting the data to the plurality of the receivers.

Abstract: A refrigerator is disclosed. The refrigerator includes a main body which has a cooling chamber and a freezing chamber, a storage chamber which is provided in the cooling chamber to store foodstuffs, an irradiation device which irradiates light within a visible light region correspondingly to color of the foodstuffs stored in the storage chamber, an optical deodorization module which includes an ultraviolet light irradiation device which is mounted to the storage chamber to irradiate ultraviolet light and a photocatalyst filter which receives the ultraviolet light from the ultraviolet light irradiation device and is coated with a photocatalyst agent, and a control unit which controls the irradiation device and the ultraviolet light irradiation device.

Abstract: Provided is a degassing container for a refrigerator in which a portion of air within a storage space is forcedly discharged to allow the storage space to become a low pressure state. The degassing container includes a case, a door, a gasket, a pressing part, and a degassing adjustment part. The case has an opened side. The door selectively shields the opened side of the case. The gasket is interposed between the door and the case and elastically deformed and closely attached when the door is shielded. The pressing part is provided in the door and the case and selectively closely attaches the door by a rotation operation. The degassing adjustment part selectively enters and exits air within the case by operating the pressing part. Therefore, the refrigerator has improved storage performance.

Abstract: The present invention relates to a supercooling method and a supercooling apparatus which can maintain an object in a supercooled state. According to the present invention, a supercooling method includes a first cooling step of cooling a stored object toward a cooling temperature below a phase transition temperature thereof, a step of judging whether the stored object is released from a supercooled state in the first cooling step, a step of thawing the stored object when the stored object is released from the supercooled state, and a second cooling step of cooling the stored object toward a cooling temperature below zero that is higher than the lowest temperature of the stored object before the release of the supercooled state, wherein the first cooling step is continuously performed when the object is maintained in the supercooled state.

Abstract: A refrigerator has a container for storing ice surrounded by a cold accumulating member, so that when the container is provided in the refrigeration compartment, ice stored inside the container will not melt and stick together.

Abstract: The present invention relates to a control method of a refrigerator which operates a cooling cycle including two storage compartments, a compressor, a condenser, a valve, fans, and evaporators for cooling the respective storage compartments, with one of the fans (5) corresponding to the storage compartment for storing items at relatively low temperatures being activated for a set amount of time even after the compressor is deactivated at the completion of cooling of the storage compartment for storing items at relatively low temperatures.

Abstract: The present invention discloses a non-freezing refrigerator which can keep the contents in a non-frozen state by an electric field. The non-freezing refrigerator includes a setting unit for selecting and setting a magnitude and frequency of a voltage, a generating unit for generating an electric field according to the voltage having the set magnitude and frequency, and applying the electric field to a storing space for storing the contents, and a freezing cycle for cooling the storing space. The contents are kept in the non-frozen state below a phase transition temperature.

Abstract: An ice maker is installed at a refrigerating chamber, and an ice bank is installed at a door of the refrigerating chamber. A cooling air duct extends along a wall surface of the refrigerating chamber and is positioned on an upper side of the ice bank so that ice stored in the inside of an ice bank is prevented from sticking to each other due to the melting of ice.

Abstract: The present invention discloses an apparatus for supercooling which can stably maintain a liquid in a supercooled state at below a phase transition temperature. The apparatus for supercooling, which can maintain a supercooled state of a liquid or contents even below a phase transition temperature, comprises: a storage space for storing a container accommodating a liquid or contents containing the liquid; a cooling means for cooling the liquid or contents or the storage space below the phase transition temperature of the liquid or the contents; and a temperature maintaining unit for applying energy to the surface of the liquid or contents or to a gas near the surface, wherein the liquid or the contents are maintained in a supercooled state by preventing freezing nuclei from being formed on the surface of the liquid or contents or in the gas near the surface by application of energy.

Abstract: The present invention relates to a refrigerator, and more particularly, to a cold air flow passage structure for allowing ice, which is received in an ice-storing device provided in a refrigerating chamber door, to be in a frozen state without being melted. The refrigerator of the present invention comprises a main body including at least a refrigerating chamber and a cold air flow passage for supplying cold air to the refrigerating chamber, a refrigerating chamber door for opening or closing the refrigerating chamber, and an ice bank provided in the refrigerating chamber door and having a container for storing ice therein, wherein at least a portion of the cold air discharged from the cold air flow passage is discharged directly to the ice bank. According to the refrigerator of the present invention, even though an ice bank for storing ice is provided in a refrigerating chamber door, it is possible to prevent a phenomenon by which ice is partially melted and stuck again together.

Abstract: A system and method for making ice is provided. The system may include a tray for containing a water to be used for making ice, and a refrigerant pipe positioned so that at least a portion thereof is submerged in the water contained in the tray. A refrigerant of relatively low temperature flows through the refrigerant pipe to cause ice to be formed on surfaces thereof. A heater may be provided on the refrigerant pipe and operated during an ice-releasing process. This system and method may eliminate the need for an additional duct to supply cold air to the ice maker, thus simplifying a manufacturing process and reducing manufacturing costs.

Abstract: A system and method for making ice is provided. The system for making ice may include a tray for containing water to be used for making ice, and an ice-making pipe positioned so that at least a portion thereof is submerged in the water contained in the tray. A refrigerant of relatively low temperature flows through the ice-making pipe during an ice-making process, while a refrigerant of relatively high temperature flows through the ice-making pipe during an ice-releasing process.