Abstract: The present invention relates to a pharmaceutical composition containing ?-lapachone as an active ingredient for prevention or treatment of cholestatic liver disease, and can provide agents for effectively preventing and treating cholestatic liver disease.

Abstract: A floating body to which an aquatic or marine facility is installed or which is connected to a lower part of the aquatic or marine facility to hold the aquatic or marine facility on water or the sea is proposed. The floating body may include a main floating body which floats on water or the sea by using buoyancy, and a magnet provided on a first vertical side of the main floating body. The floating body may also include a coupling member provided on an opposite vertical side of the main floating body by corresponding to a magnet of another floating body such that the coupling member is coupled thereto, and a mooring line installed on a part of the main floating body to moor and hold the main floating body on water or the sea.

Abstract: A platform for a semi-submersible floating type offshore structure according to an exemplary embodiment of the present invention includes a main body which is installed on the sea and has an arrangement structure in which a plurality of pontoons is combined to form a plurality of polygonal shapes; and a protrusion member connecting unit which extends from each corner of the main body and connects a protrusion member outwardly protruding from the main body to the main body.

Abstract: An offshore wind power plant designed to reduce a fatigue load of a wind turbine according to an exemplary embodiment of the present invention includes an offshore structure, a plurality of wind turbines which is installed above the offshore structure to be spaced apart from each other with a predetermined distance and is supplied with a power through wind to produce electrical energy; and a turbine controller which controls at least one of a pitch movement and a yaw movement for the plurality of wind turbines.

Abstract: A floating offshore mooring chain apparatus for preventing collision with a ship is proposed. The mooring chain apparatus includes a buoyant body floating on the water surface to transfer resources to a transport ship, a plurality of mooring chains fixed to the seabed to locate the buoyant body in position on the water surface, and a plurality of spider buoys disposed to a lower portion of the buoyant body such that the mooring chains laterally penetrate through the spider buoys, respectively, and extend toward the seabed in different directions, so that the mooring chains are moved by a rotating force along the extension directions thereof to displace the buoyant body.

Abstract: The present invention relates to an apparatus for passively preventing a marine floating body from twisting during mooring by controlling tension in ropes connected to the marine floating body within a predetermined allowable limit. The apparatus includes: a floating main body connected to the ropes, fixed on the sea, and providing a space for marine work; winches disposed on the floating main body and retracting or releasing the ropes fixing the floating main body; fairleads disposed on portions of the floating main body and guiding the ropes to the winches through themselves; and braking units disposed on portions of the floating main body at a predetermined distance from the fairleads, with the ropes passing through the fairleads and themselves, and controlling a speed of the ropes that are retracted to the winches at a predetermined speed.

Abstract: A platform for a semi-submersible floating type offshore structure according to an exemplary embodiment of the present invention includes a main body which is installed on the sea and has an arrangement structure in which a plurality of pontoons is combined to form a plurality of polygonal shapes; and a protrusion member connecting unit which extends from each corner of the main body and connects a protrusion member outwardly protruding from the main body to the main body.

Abstract: A floating offshore mooring chain apparatus for preventing collision with a ship is proposed. The mooring chain apparatus includes a buoyant body floating on the water surface to transfer resources to a transport ship, a plurality of mooring chains fixed to the seabed to locate the buoyant body in position on the water surface, and a plurality of spider buoys disposed to a lower portion of the buoyant body such that the mooring chains laterally penetrate through the spider buoys, respectively, and extend toward the seabed in different directions, so that the mooring chains are moved by a rotating force along the extension directions thereof to displace the buoyant body.

Abstract: A floating type offshore wind power generation facility includes: a wind power generation unit which is installed to be horizontally rotatable about a vertical rotation center while being placed in an inclined state on an offshore structure or installed to be rotatable in two directions about a horizontal rotation center of the offshore structure, and converts rotational kinetic energy of blades caused by sea wind into electrical energy; and a driving unit which is connected to a lower end of the wind power generation unit in a state in which the driving unit is installed on the offshore structure, and changes a pivoting angle or a rotating angle of the wind power generation unit by generating driving power.

Abstract: The present invention relates to an apparatus for passively preventing a marine floating body from twisting during mooring by controlling tension in ropes connected to the marine floating body within a predetermined allowable limit. The apparatus includes: a floating main body connected to the ropes, fixed on the sea, and providing a space for marine work; winches disposed on the floating main body and retracting or releasing the ropes fixing the floating main body; fairleads disposed on portions of the floating main body and guiding the ropes to the winches through themselves; and braking units disposed on portions of the floating main body at a predetermined distance from the fairleads, with the ropes passing through the fairleads and themselves, and controlling a speed of the ropes that are retracted to the winches at a predetermined speed.

Abstract: The present invention provides a marine structure platform including: horizontal connecting parts which are disposed under the seawater and connected to one another in a lattice structure; vertical connecting parts which are installed uprightly at four corners of the horizontal connecting parts and protrude from the seawater; and movement damping parts which are extended at the four corners from the vertical connecting parts along the horizontal connecting parts adjacent to one another, the movement damping parts having a plate shape so as to define a vertical gap therebetween.

Abstract: A floating type offshore wind power generation facility includes: a wind power generation unit which is installed to be horizontally rotatable about a vertical rotation center while being placed in an inclined state on an offshore structure or installed to be rotatable in two directions about a horizontal rotation center of the offshore structure, and converts rotational kinetic energy of blades caused by sea wind into electrical energy; and a driving unit which is connected to a lower end of the wind power generation unit in a state in which the driving unit is installed on the offshore structure, and changes a pivoting angle or a rotating angle of the wind power generation unit by generating driving power.

Abstract: The present invention provides a marine structure platform including: horizontal connecting parts which are disposed under the seawater and connected to one another in a lattice structure; vertical connecting parts which are installed uprightly at four corners of the horizontal connecting parts and protrude from the seawater; and movement damping parts which are extended at the four corners from the vertical connecting parts along the horizontal connecting parts adjacent to one another, the movement damping parts having a plate shape so as to define a vertical gap therebetween.

Abstract: An image sensor includes a semiconductor substrate, a storage node region in the semiconductor substrate, an insulating portion on the semiconductor substrate, a via contact extending through the insulating portion, a photo-electric converter in the semiconductor substrate and spaced apart from the storage node region, an organic photo-electric layer on the insulating portion, and a buffer interposed between and electrically connecting the via contact and the storage node region.

Abstract: An image sensor includes a semiconductor substrate, a storage node region in the semiconductor substrate, an insulating portion on the semiconductor substrate, a via contact extending through the insulating portion, a photo-electric converter in the semiconductor substrate and spaced apart from the storage node region, an organic photo-electric layer on the insulating portion, and a buffer interposed between and electrically connecting the via contact and the storage node region.

Abstract: Provided are an equipotential ground system and a method of constructing the same capable of equalizing potential of all positions when the ground system is configured in a mesh manner. The equipotential ground system includes: a mesh having a plurality of row lines, and a plurality of column lines installed to cross the row lines to form intersection parts electrically connected to the row and column lines; first ground rods connected to corners of the mesh; and a plurality of second ground rods having a larger ground resistance than the first ground rods and connected to the outermost intersection parts of the mesh, which are disposed between the first ground rods.