Abstract: An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens sequentially disposed in ascending numerical order along an optical axis from an object side of the optical imaging system toward an imaging plane of an image sensor, wherein TTL/(2*IMG HT)?0.67 is satisfied, where TTL is a distance along the optical axis from an object-side surface of the first lens to the imaging plane of the image sensor, and IMG HT is one half of a diagonal length of the imaging plane of the image sensor, and 15<v1-v3<45 is satisfied, where v1 is an Abbe number of the first lens, and v3 is an Abbe number of the third lens.

Abstract: A water purifier includes a filtering part including a reverse osmosis filter for filtering water and a discharge part for discharging, to the outside, purified water filtered in the filtering part. The filtering part further includes a pump provided in front of the reverse osmosis filter so as to supply the water to the reverse osmosis filter, and a supply valve that opens and closes so as to supply the water from a water supply source to the filtering part. The supply valve can be provided between the pump and the reverse osmosis filter.

Abstract: Disclosed is a method for infiltrating a porous structure with a precursor solution by means of humidification. The infiltration method with a precursor solution using moisture control comprises the steps of: (S1) providing a substrate having porous structures deposited thereon; (S2) depositing, by electrospraying, a precursor solution on the substrate having porous structures deposited thereon; (S3) humidifying the porous structures having the precursor solution deposited thereon; and (S4) sintering the humidified porous structures.

Abstract: Provided is an aluminum-based plated steel that is provided for vehicles by hot forming, an aluminum-based alloy plated steel manufactured using the same, and method of manufacturing thereof.

Abstract: A display device may include a substrate, a thin film transistor, a first electrode, a second electrode, and a barrier. The thin film transistor is disposed on the substrate. The first electrode is electrically connected to the thin film transistor. The second electrode overlaps the first electrode. The barrier has a first portion and a second portion. The second portion is disposed between the first portion and the second electrode and is fluorine-doped. A side surface of the first portion is part of a boundary of an opening of the barrier and is hydrophilic. The opening of the barrier is disposed between the first electrode and the second electrode.

Abstract: The disclosed secondary battery is capable of preventing a short-circuit pressure at which the safety vent is ruptured from being reduced due to deformation of the safety vent during assembly of the battery. The secondary battery of the present invention includes a can member accommodating an electrode assembly and a top cap assembly covering an opening of the can member. A safety vent is provided in the top cap assembly to discharge a gas when an inner pressure of the can member increases, wherein the safety vent includes a main body and a bending unit, in which an outer edge of the main body is bent, and wherein a buffering space is defined between the bending unit and the main body.

Abstract: Disclosed is a food or pharmaceutical composition containing 2?-fucosyllactose (2?-FL) for preventing a stroke. The food or pharmaceutical composition containing 2?-fucosyllactose (2?-FL) is highly effective in preventing a stroke.

Abstract: A bearing steel according to an embodiment of the present disclosure includes, as a chemical composition: 0.51 to 0.56 wt % of carbon (C); 0.30 to 0.55 wt % of silicon (Si); 0.60 to 0.90 wt % of manganese (Mn); 0.025 wt % or less (excluding 0 wt %) of phosphorus (P); 0.008 wt % or less (excluding 0 wt %) of sulfur (S); 0.01 to 0.20 wt % of chromium (Cr); 0.08 wt % or less (excluding 0 wt %) of molybdenum (Mo); 0.25 wt % or less (excluding 0 wt %) of nickel (Ni); 0.01 to 0.20 wt % of vanadium (V); 0.20 wt % or less (excluding 0 wt %) of copper (Cu); 0.003 wt % or less (excluding 0 wt %) of titanium (Ti); 0.01 to 0.05 wt % of aluminum (Al); 0.0015 wt % or less (excluding 0 wt %) of oxygen (O); 0.001 wt % or less (excluding 0 wt %) of calcium (Ca); and iron (Fe) and unavoidable impurities as a remainder.

Abstract: A system for analyzing a putting motion includes: mat markers attached to a mat on which a ball is placed; a putter marker attached to a putter for applying an impact to the ball; a mat having a color contrasting with colors of the mat markers, the putter marker and the ball; a camera for photographing the mat markers, the ball, and the putter marker; a mat detection unit for detecting a position of the mat from an image photographed by the camera; an object detection unit for detecting positions of the putter and the ball in real time; a ball calculation unit for calculating a speed and a moving direction of the ball based on the detected ball; and a pointer calculation unit for calculating a pointer position for a menu selection function necessary for a simulator operation by using coordinates of the detected putter.

Abstract: A dehydrogenation chemical reactor includes: a housing; a catalyst part made of a thermally conductive material and disposed in the housing, where the catalyst part has a panel shape, and a catalyst is coated on a surface of the catalyst part to separate hydrogen from an organic hydrogen carrier; a heat transfer pipe which is installed to contact the catalyst part, and conducts latent heat to the catalyst part while pressurized and saturated fluid is supplied therein; and an organic hydrogen carrier line which is connected to the housing to form a passage in which the organic hydrogen carrier is introduced into the housing, contacts the catalyst part to separate hydrogen, and then is discharged.

Abstract: The present invention provides an apparatus for recycling composite material and a method for recycling composite material by using same, the apparatus including: a mixing tank in which pulverized products of fiber-reinforced waste plastic are dispersed and mixed in water together with a filler, thereby forming a composite material mixture; a fixing agent addition part for forming a recyclable material by supplying, to the composite material mixture, a fixing agent that aggregates the pulverized products of the fiber-reinforced waste plastic and the filler; and a filtering tank in which the recyclable material is supplied such that a recyclable composite sheet is formed.

Abstract: The present invention provides a nonwoven fabric recycling apparatus and a nonwoven fabric recycling method using same, the apparatus including: a mixing tank in which pulverized waste nonwoven fabric bodies and a filler are dispersed in water and mixed with each other to form a waste nonwoven fabric mixture; a fixing agent addition part for supplying a fixing agent for aggregating the pulverized waste nonwoven fabric bodies and the filler to the nonwoven fabric mixture to form a recycling raw material; and a filter tank in which the recycling raw material supplied thereto is received so that a recycling sheet is formed.

Abstract: System for diagnosing pneumatic control valve online include a sensor set having sensors, attached to a pneumatic control valve, for measuring the state of the pneumatic control valve, a smart data analyzer for processing sensor signal acquired in real time from the sensor set and generating pneumatic control valve state information for online automatic diagnosis of the pneumatic control valve, a data server for transmitting, to an online analysis server, the pneumatic control valve state information received in real time from the smart data analyzer and storing the pneumatic control valve state information for predetermined time period, the online diagnostic server for, by comparing the pneumatic control valve state information with pre-stored normal state data of the pneumatic control valve, determining whether the pneumatic control valve is in abnormal state and generating diagnostic information, and a client computer for displaying the diagnostic information received from the online diagnostic server.

Abstract: Disclosed is a vehicle jack device. The vehicle jack device according to an exemplary embodiment of the present invention includes: a base portion in which an inserting hole into which a hinge shaft is inserted is formed and which is supported on a bottom side; a pair of lower arms of which a first portion is installed in the hinge shaft of the base portion in a rotatable way and in which a reinforcing rib is formed in a lengthwise direction; a pair of upper arms respectively installed in a second portion of the lower arm, and on which a reinforcing rib is formed in a lengthwise direction; a bracket member for fixing a first portion of the upper arm in a rotatable way; and a driver installed between the lower arm and the upper arm and providing a tucking driving force to the lower arm and the upper arm.

Abstract: A direct water purifier comprises: a first filter for filtering water flowing in through a first flow path; a second filter receiving, through a second flow path, and filtering the water filtered by the first filter; a first valve, provided on the second flow path; a pump, provided on the second flow path, for supplying, to the second filter, water at a water pressure equal to or greater than a preset water pressure; a third filter receiving, through a third flow path, and filtering the water filtered by the second filter; a second valve, provided on the third flow path, for decreasing a pressure in the flow path; a third valve, provided at a rear end of the second valve, for preventing a backflow of the water; and a heating unit receiving the water filtered by the third filter and heating the water to a preset temperature.

Abstract: A crankshaft oil supply structure includes: an upper engine block having upper end saddles positioned at both ends thereof and an upper crank saddle positioned between the upper end saddles; a lower engine block formed with a plurality of lower crank saddle; an upper end bearing formed with an end bearing hole and mounted on each of the upper end saddles; an upper main bearing formed with a main bearing hole and mounted on the upper crank saddle; a lower bearing mounted on each lower crank saddle of the plurality of lower crank saddles; and a crankshaft formed with an end journal supported by the upper end bearing, a main bearing journal supported by the upper main bearing, and a crank pin journal. In particular, the main bearing hole is larger than the end bearing hole.

Abstract: Disclosed herein are a composition for forming a hard coating layer that is easy to mold, a hard coating layer including the composition, and a laminate including the hard coating layer. The composition may include a hard coating resin, a photoinitiator, a thermal initiator, and a solvent, where the weight ratio of the photoinitiator to the thermal initiator ranges from 1:50 to 10:1.

Abstract: A cooking appliance, as provided herein, may include a cabinet, a magnetron, an induction heating coil, and a one-way field filter. The cabinet may define a cooking chamber. The magnetron may be mounted within the cabinet in communication with the cooking chamber to direct a microwave thereto. The induction heating coil may be mounted within the cabinet to direct a magnetic field thereto. The one-way field filter may be disposed within the cabinet between the induction heating coil and the cooking chamber to restrict passage of the microwave therethrough while permitting the magnetic field. The one-way filter may include a lower layer and an upper layer. The lower layer may include a plurality of parallel conductive bands extending in a first direction. The upper layer may be disposed above the lower layer. The upper layer may include a plurality of parallel conductive bands extending in the second direction.

Abstract: A flexible display apparatus includes a flexible substrate including an active area and an inactive area, the inactive area including a first area disposed adjacent to the active area, a second area where a circuit board is disposed, and a bending area disposed between the first area and the second area, a first support layer disposed beneath the active area and the first area, and a second support layer disposed beneath the second area, and a guide disposed at a lower surface of the flexible substrate. The guide includes a first section and a second section. The first section is on a lower surface of the first support layer. The second section is disposed to cover a portion of the substrate that extends from the bending area. Accordingly, defects generated during bezel bending are reduced.

Abstract: The present disclosure provides a novel biphenyl derivative compound or a pharmaceutically acceptable salt thereof. The biphenyl derivative compound or pharmaceutically acceptable salt thereof according to the present disclosure is a compound that increases Nm23-H1/NDPK activity and can inhibit cancer metastasis and growth. Thus, it exhibits excellent effects not only on the prevention, alleviation and treatment of cancer, but also on the suppression of cancer metastasis.