Abstract: A user terminal device and a controlling method thereof are provided. The user terminal device includes a display configured to be divided into a first area and a second area which is larger than the first area with reference to a folding line, a cover disposed on a rear side of the display, a detector configured to detect a user interaction on the display and the cover, and a controller configured to, in response to the display being folded along the folding line such that the first area and the second area face each other, control the detector to detect a user interaction through an exposure area, which is an exposed part of the second area, and the cover, and, in response to the display being folded such that the two parts of the cover face with each other with reference to the folding line, control the detector to detect a user interaction through the first area and the second area.

Abstract: The present invention relates to a polishing slurry composition, and more specifically to a polishing slurry composition for polysilicon polishing, the composition comprising: colloidal silica abrasive particles; a quaternary ammonium cationic monomer; and an acidic material.

Abstract: A cold water tank for a direct water purifier is provided.

Abstract: A water purifier includes: a filter module having filters filtering raw water to provide purified water, and a filter connector having a filter connection passage allowing the filters to communicate with each other; and a filter housing having an open top and providing a filter accommodating space accommodating the filter module. The filter housing includes a filter fixture that is detachably coupled to one side of the filter connector, the filter fixture providing a flow path supplying the raw water to the filter module or discharging the purified water from the filter module to an outside. When the filter module accommodated in the filter accommodating space is coupled to the filter fixture, a separation distance between the filter connector and an inner wall of the filter housing facing the other side of the filter connector may be greater than an overlapping length of the filter connector and the filter fixture.

Abstract: A water purifier that purifies water to provide purified water may include: a purified water tank accommodating the purified water; and a discharge port discharging the purified water to an outside of the water purifier. The purified water tank may include: a tank main body that provides an accommodation space for accommodating the purified water; a discharge buffer part having an inlet which communicates with the accommodation space so that the purified water in the accommodation space flows in the discharge buffer part, the discharge buffer part extending in an up-down direction; an outlet tube including an insertion portion extending downward in the discharge buffer part to discharge the purified water to the discharge port through a discharge flow path; and a gasket extending from the insertion portion to an inner peripheral surface of the discharge buffer part to reduce sloshing of the purified water in the discharge buffer part.

Abstract: A water purifier may include: a filter filtering raw water to provide purified water; a discharge port through which the purified water is discharged outside; water pipes providing a flow space for the purified water to flow; a flow path module including a body part supporting the water pipes; and a tubing assembly detachably connected to the water pipes to selectively open and close at least a portion of the water pipes when connected thereto. The tubing assembly has one side connected to the filter and the other side connected to the flow path module, and the flow path module receives the purified water filtered by the filter through the tubing assembly. The flow path module may be placed above the tubing assembly, and disposed between the filter and the discharge port while overlapping at least a portion of the tubing assembly without overlapping the filter when viewed from above.

Abstract: A cold water tank includes a tank body, a cover part connected to the tank body to cover an open top of the tank body, and a cooling unit disposed in the tank body to cool water stored inside the tank body so as to make cold water. The cover part is configured to have an air layer formed therein, thereby minimizing or preventing the occurrence of condensation.

Abstract: A water purifier includes a water purifier body, a filter bracket provided inside the water purifier body, a pump unit provided inside the water purifier body and including a pump connected to a main water purifying filter installed in the filter bracket, and a vibration transmission-preventing unit which, while the main water purifying filter is installed in the filter bracket, ensures the transmission, to the filter bracket and the water purifier body, of vibrations due to the pressure difference between the pump and the main water purifying filter when water is supplied to the main water purifying filter by means of the pump is reduced by a filter vibration-damping member.

Abstract: A water discharge device is disclosed. A water discharge device according to an embodiment of the present invention may comprise: a main body unit including a first main body and a second main body movably connected to the first main body; and a discharge unit connected to the second main body so as to be moved with the second main body, and connected to a water source so as to discharge water in the water source to the outside, wherein the discharge unit comprises a plurality of link members having flow channels through which water flows, respectively, and rotatably connected to each other so as to connect the flow channels in a sealed manner.

Abstract: A water purifier includes a water purifier body, a filter bracket provided inside the water purifier body, a pump unit provided inside the water purifier body and including a pump connected to a main water purifying filter installed in the filter bracket, and a vibration transmission-preventing unit which, while the main water purifying filter is installed in the filter bracket, ensures the transmission, to the filter bracket and the water purifier body, of vibrations due to the pressure difference between the pump and the main water purifying filter when water is supplied to the main water purifying filter by means of the pump is reduced by a filter vibration-damping member.

Abstract: A cold water tank includes a tank body, a cover part connected to the tank body to cover an open top of the tank body, and a cooling unit disposed in the tank body to cool water stored inside the tank body so as to make cold water. The cover part is configured to have an air layer formed therein, thereby minimizing or preventing the occurrence of condensation.

Abstract: A water discharge device is disclosed. A water discharge device according to an embodiment of the present invention may comprise: a main body unit including a first main body and a second main body movably connected to the first main body; and a discharge unit connected to the second main body so as to be moved with the second main body, and connected to a water source so as to discharge water in the water source to the outside, wherein the discharge unit comprises a plurality of link members having flow channels through which water flows, respectively, and rotatably connected to each other so as to connect the flow channels in a sealed manner.

Abstract: A drilling apparatus is provided. The drilling apparatus according to one aspect of the present invention comprises: first and second moving modules; first to third drawworks for vertically moving the first and second moving modules; a wire for successively connecting the first drawwork, the first moving module, the second drawwork, the second moving module and the third drawwork; a first fixing drum positioned between the first drawwork and the first moving module so as to support the wire; and a second fixing drum positioned between the second moving module and the third drawwork so as to support the wire.

Abstract: Provided are a numerical simulation system and method for an atmospheric wind flow by computational fluid dynamics. In detail, provided are a numerical simulation system and method for an atmospheric wind flow by computational fluid dynamics capable of more rapidly and efficiently performing a fluid analysis and easily making a wind power resource map by setting an analysis result of a wind direction depending on the same analysis area as an initial condition (second initial condition in the present invention) of an analysis of another wind direction.

Abstract: The dehumidifier, according to one embodiment of the present invention, comprises: a variable compressor which varies the rotation speed of a driving shaft according to an input control signal and adjusts an amount of a refrigerant gas compressed by the rotation of the driving shaft; a condenser for liquefying the compressed refrigerant gas received from the variable compressor; a heat exchanger for cooling flown air by vaporizing the liquefied refrigerant gas, and condensing vapors of the flown air into water to remove the water by using the cooling air; a blower fan for supplying outside air to the heat exchanger by forming an air flow according to the driving speed of a blower motor; and a control unit for generating the control signal according to the input signal so as to adjust the rotation speed of the driving shaft.

Abstract: A drilling apparatus is provided. The drilling apparatus according to one aspect of the present invention comprises: first and second moving modules; first to third drawworks for vertically moving the first and second moving modules; a wire for successively connecting the first drawwork, the first moving module, the second drawwork, the second moving module and the third drawwork; a first fixing drum positioned between the first drawwork and the first moving module so as to support the wire; and a second fixing drum positioned between the second moving module and the third drawwork so as to support the wire.

Abstract: The dehumidifier, according to one embodiment of the present invention, comprises: a variable compressor which varies the rotation speed of a driving shaft according to an input control signal and adjusts an amount of a refrigerant gas compressed by the rotation of the driving shaft; a condenser for liquefying the compressed refrigerant gas received from the variable compressor; a heat exchanger for cooling flown air by vaporizing the liquefied refrigerant gas, and condensing vapors of the flown air into water to remove the water by using the cooling air; a blower fan for supplying outside air to the heat exchanger by forming an air flow according to the driving speed of a blower motor; and a control unit for generating the control signal according to the input signal so as to adjust the rotation speed of the driving shaft.

Abstract: Provided are a numerical simulation system and method for an atmospheric wind flow by computational fluid dynamics. In detail, provided are a numerical simulation system and method for an atmospheric wind flow by computational fluid dynamics capable of more rapidly and efficiently performing a fluid analysis and easily making a wind power resource map by setting an analysis result of a wind direction depending on the same analysis area as an initial condition (second initial condition in the present invention) of an analysis of another wind direction.

Abstract: Provided is a method for predicting a wind power density. More particularly, provided are a method for predicting a wind power density using a stepwise regression analysis technique capable of estimating a wind power density at any point using a regression analysis technique by a stepwise variable selection method of performing an analysis while adding statistically important terms or removing statistically meaningless terms.

Abstract: The present invention discloses a winch and an autonomous mobile apparatus including the winch. The winch can include: a driving motor; a drum driving axle configured to be rotated the driving motor; a wire drum configured to be rotated by the drum driving axle; a roller driving axle arranged to be parallel to the drum driving axle and configured to be rotated in different direction from that of the drum driving axle by the driving motor; a roller connected with the roller driving axle and configured to support a wire wound on or unwound from the wire drum; and a one way clutch installed in the roller driving axle in such a way that a driving force transferred to the roller by the roller driving axle is cut off when the wire drum rotates in a direction of winding the wire.