Abstract: A heat sink assembly including first and second heat sinks having a plurality of ribs integrally molded along a length direction by extrusion molding, the spaces between the ribs forming a flow path through which a coolant flows, the first and second surfaces at both ends of the length direction being open is provided. The first and second heat sinks have communication ports on one side wall adjacent to the second surface, and the first and second heat sinks are integrally formed by the side walls forming a bonding surface in a way that the communication ports align. The ribs of the first and second heat sinks have a lengths such that both ends thereof are spaced apart from the first and second surfaces by a predetermined distance, and the open first and second surfaces of both ends of the first and second heat sinks are closed by end plugs inserted into the first surface and the second surface and spaced apart from the ends of the ribs.

Abstract: A shoe management apparatus including a cabinet including an inner space for storing shoes, an exhaust port disposed at a rear surface of the inner space and discharging air into the inner space, and a front discharge port disposed at an upper surface of the cabinet and discharging air from the inner space to outside of the shoe management apparatus.

Abstract: Provided is a method for preparing steam, comprising: making a process waste heat fluid supplied from a plurality of waste heat sources flow into each of refrigerant evaporators having numbers corresponding to plurality of waste heat sources to vaporize a refrigerant through heat exchange; joining vaporized refrigerant streams from each of refrigerant evaporators to one integrated pipe; compressing refrigerant stream joined to integrated pipe in a refrigerant compressor; heat exchanging compressed refrigerant stream with water in a refrigerant condenser to prepare a condensed refrigerant stream and steam; and decompressing the condensed refrigerant stream by passing condensed refrigerant stream through a refrigerant expansion valve, followed by branching and circulating the condensed refrigerant stream to each of plurality of refrigerant evaporators, and further including transferring and compressing steam flowing out of refrigerant condenser to a steam compressor, and a system for recovering waste heat.

Abstract: Provided is a battery pack cooling device according to example embodiments of the present technology. The battery pack cooling device includes a heat sink, and a pipe assembly coupled to the heat sink. The pipe assembly includes a main pipe, first and second branch pipes, a plurality of branched connectors, a plurality of directional connectors, a plurality of connection pipes, and cooling ports.

Abstract: A printed circuit board includes a first core portion in which a first passive component is embedded, a second core portion in which a second passive component is embedded, and a first bonding layer disposed between the first and second core portions and including first conductive particles connected to the first and second passive components.

Abstract: The present invention relates to a wire rod of which softening heat treatment can be omitted, and a manufacturing method therefor. One embodiment of the present invention provides a wire rod of which softening heat treatment can be omitted, and a manufacturing method therefor, the wire rod comprising, by wt %, 0.2-0.45% of C, 0.02-0.4% of Si, 0.3-1.5% of Mn, 0.3-1.5% of Cr, 0.02-0.05% of Al, 0.01-0.5% of Mo, 0.01% or less of N, and the balance of Fe and other inevitable impurities, and having a microstructure consisting of, by area %, 40% or more of proeutectoid ferrite based on an equilibrium phase, 40% or more of regenerated pearlite and bainite, and 20% or less of martensite, and wherein the colony average size of the pearlite in the region amounting to ? to ? of the diameter is 5 ?m or less.

Abstract: The present invention relates to a CRISPR-Cas based composition for detecting Salmonella and a method for detecting Salmonella using the same, more specifically, to a composition for detecting Salmonella comprising primers capable of specifically amplifying Salmonella through isothermal amplification, guide RNA, and CRISPR-Cas proteins, and a method for detecting Salmonella using the same.

Abstract: An embodiment of the present invention provides a wire rod and a method of manufacturing same. The wire rod comprises, by weight %, 0.3-0.5 wt % of C, 0.02-0.4 wt % of Si, 1.0-1.5 wt % of Mn, 0.3-0.7 wt % of Cr, 0.003 wt % or less (exclusive of 0 wt %) of B, less than 0.03 wt % (exclusive of 0 wt %) of Ti, 0.03 wt % or less (inclusive of 0 wt %) of P, 0.01 wt % or less (inclusive of 0 wt %) of S, 0.02-0.05 wt % of Al, 0.001-0.01 wt % of N, and the balance being Fe and inevitable impurities, wherein a microstructure is a complex structure having a main phase of ferrite+pearlite, with at least one of bainite or martensite accounting for 5 area % or less (inclusive of 0%), and has a cementite average aspect ratio of 35 or less in an area covering ?-? of the diameter.

Abstract: A hygiene management device for an entrance space is proposed. In the hygiene management device, an air discharger for discharging air toward the bottom of an entrance space operates within a predetermined angle range in an entering/exiting direction of a person, and air to be discharged through a discharge hole of the air discharger is guided to an air guide unit. A plurality of vanes are installed in a row in the air guide unit to control the direction of the air to be discharged through the discharge hole.

Abstract: A hygiene management device for an entrance hall includes a fan assembly which generates an air blowing force, a function module which provides a storage space, an air discharger which discharges air toward a person, and an opening/closing unit which selectively stops an air flow. Particularly, the opening/closing unit is configured such that air is supplied into at least one of the function module and a duct unit or simultaneously into both the function module and the duct unit.

Abstract: A hygiene management device for an entrance hall is designed to emit far-UV light from upper and lower sides toward a person by reflecting the far-UV light emitted from the upper side to the person's lower body by a reflector located at the lower side, and reflecting the far-UV light emitted from the lower side to the person's upper body by a reflector located at the upper side. Accordingly, a sterilization effect on the person is improved.

Abstract: A shoe management apparatus includes a first management apparatus, including a first inner space and an electric compartment disposed below the first inner space for dehumidifying air introduced into the electric compartment, and removing foreign matter from the shoes stored in the first inner space; and a second management apparatus disposed above the first management apparatus, including a second inner space for storing a shoe, and for adjusting humidity of the second inner space using air discharged from the electric compartment.

Abstract: A portable hood may include a base, a head, a column, and a fan. The head may introduce air thereinto and discharge the introduced air to the outside. The column may be coupled eccentrically to a side of the head in a horizontal direction. Further, the fan may be located inside of the head such that the fan is eccentric to the head toward the column.

Abstract: A portable hood may include a base, a head, a column, and a roll filter unit. The roll filter unit may include a purification filter installed in the head and discharged to an outside of the head after moving past a suction inlet. Accordingly, one of purification filters, for example, an oil mist filter, may be provided as a roll filter, so cleanliness, maintenance, and replacement of the filter is easy.

Abstract: Proposed is a method of controlling a portable air-flow guiding apparatus including adjusting at least one of an angle in a horizontal direction of a head unit including a sucking unit by a horizontal angle adjustment unit of the portable air-flow guiding apparatus and a height of the head unit by a height adjustment unit of the portable air-flow guiding apparatus according to a position of a heating source and a height of a cooking utensil.

Abstract: An air circulation system includes at least one flow generator to generate an airflow, an air inlet, a first air outlet and a second air outlet each for exhausting airflow, an air conditioning device to air condition the exhausted airflow, and a controller. The controller is configured to position at least one of the first and second air outlets to be vertically separated from each other and to operate the flow generator to provide the exhaust airflow to the first and second air outlets. The exhaust airflow from the first and second air outlets are of different temperatures.

Abstract: A shoe management apparatus includes a receiving portion defining a receiving space for receiving a shoe therein, a first supply portion including a duct for guiding flow of a fluid, and a second supply portion connected to the first supply portion, extending in a longitudinal direction of the first supply portion and angled towards the receiving portion, the second supply portion receiving the fluid from the first supply portion and directing the fluid to the shoe.

Abstract: A shoe management apparatus including a receiving portion defining a receiving space for receiving a shoe therein, a first supply portion for guiding a fluid flow and extending towards the receiving space, and a second supply portion at least partially disposed inside the first supply portion and protruding in a longitudinal direction of the first supply portion to supply a fluid into the shoe.

Abstract: A shoe management apparatus including a receiving portion defining a receiving space for receiving shoes therein, a first supply portion for guiding flow of a fluid towards the receiving portion, the first supply portion including a stationary duct disposed above the receiving space, a flexible duct connected to the stationary duct and able to rotate to change shape, a rotatable duct connected to the flexible duct and a first driver connected to the rotatable duct and for generating a rotational force to rotate the rotatable duct.

Abstract: A shoe treating apparatus includes an upper cabinet, a lower cabinet disposed below the upper cabinet, an electronic component part disposed below the lower cabinet, a sensor part, and a processor electrically connected to the electronic component part and the sensor part. The processor may identify at least one of a material, a type, and a condition of at least one shoe in the upper cabinet, and based on the identification, perform normal treatment on the at least one shoe in the upper cabinet through the electronic component part. The processor may identify at least one of a material, a type, and a condition of at least one shoe in the lower cabinet, and based on the identification, perform intensive treatment on the at least one shoe in the lower cabinet through the electronic component part. A method of operating the shoe treating apparatus is also provided.