Abstract: A blood vessel connecting apparatus connects a first blood vessel to a second blood vessel. The blood vessel connecting apparatus includes an elastic connection part and a fixing part. The elastic connection part has an elastic restoring force, is inserted in an end of the second blood vessel and extends along an extending direction of the second blood vessel. The fixing part fixes the elastic connection part to an inside of the second blood vessel.

Abstract: The purpose of the present invention is to provide a method for producing granules of having a uniform size. To this end, the present invention provides a method for producing granules, the method characterized by including preparing an organic member solution, uniformly dispersing an inorganic member in the organic member solution at a weight ratio of 1 to 10 based on an organic member to form an organic-inorganic composite solution, spraying the organic-inorganic composite solution in an electrostatic charge manner, and polymerizing the sprayed organic-inorganic composite solution to form a hydrogel phase. The production method of the present invention has advantages in that granules having a uniform size may be mass-produced in a short time and the granules may be produced at a high yield.

Abstract: The present invention relates to a casting mold for a metal sheet by drawing molten metal into a mold cavity and cooling the molten metal, and the casting mold according to the present invention includes: a support portion at an upper side on which molten metal is disposed or a solid metal is placed and melted; a mold cavity at a lower side in which the metal sheet is formed as the molten metal is drawn from the support portion while filling the mold cavity and cooled; and a passageway through which the molten metal is drawn into the mold cavity from the support portion, in which the mold cavity includes a first surface at the upper side which communicates with the passageway, and a second surface at the lower side which faces the first surface, a plurality of suction portions for drawing the molten metal are formed in the second surface and extended downward from the second surface, the suction portions are connected to a vacuum source and configured to draw the molten metal by suctioning air from the mold c

Abstract: The present invention relates to a blow molding device including: a heating unit which is configured to heat a molding material; and molds between which the molding material is loaded and molded, in which the heating unit includes: an infrared lamp configured to emit infrared rays, a reflective mirror configured to concentrate the infrared rays emitted from the infrared lamp; and a light transmitting body configured to transmit the infrared rays concentrated by the reflective mirror to the molding material, and in which the molds mold the molding material by using gas pressures applied to surfaces of the molding material heated to a predetermined temperature by the infrared rays transmitted from the light transmitting body.

Abstract: A roller module includes a roller, a magnetic bearing, a permanent magnet, at least one pair of magnetic coring, and a plurality of gap sensors. The roller has a protrusion and has a cylindrical shape. The protrusion is formed at both outer surfaces of the roller with a stepped portion and has the cylindrical shape. The magnetic bearing is formed at the roller. The permanent magnet is formed at the roller. At least one pair of magnetic coring covers an outer circumference of the protrusion. The gap sensors are formed along an axial direction and a radial direction of the roller.

Abstract: A selective continuous transferring apparatus includes a roll and a sticking layer. The roll has an elastic surface, and contacts a source substrate with a receiving substrate to transfer elements on the source substrate to a lower surface of the receiving substrate 520. A plurality of the elements is arranged on an upper surface of the source substrate. The sticking layer has a predetermined pattern in a partial area of the lower surface of the receiving substrate. The elements are attached to the sticking layer. The roll pressurizes a series of stacked layer of the source substrate, the elements and the receiving substrate, so that the elements disposed corresponding to the sticking layer of the receiving substrate are partially and selectively transferred on the receiving substrate.

Abstract: The present invention relates to an Al—Zn alloy with improved strength and elongation comprising more than 20 parts by weight of zinc relative to the total weight of the alloy and comprising discontinuous precipitates or lamellar precipitates, formed forcibly in 5% or more per unit area. According to the present invention, the tensile strength and the elongation of an Al—Zn alloy are simultaneously improved.

Abstract: A catalyst regenerator includes: a container including a catalyst inlet through which a coked catalyst is introduced and a catalyst outlet to which a regenerated catalyst is discharged; a first supply unit formed below the catalyst inlet and supplying a syngas containing solid carbon to the coked catalyst introduced into the container; and a second supply unit formed below the first supply unit and supplying high-temperature air into the container.

Abstract: The present invention relates to a sizing agent for carbon fibers, a carbon fiber with improved interfacial adhesion, a polymerization reaction type carbon fiber-reinforced polymer composite material using the same, and a production method therefor and, more specifically, to a sizing agent for carbon fibers, comprising a phenoxy resin and a block isocyanate compound prepared through a reaction of ?-caprolactam with one of two isocyanate groups of a diisocyanate compound, and the production of a carbon fiber with improved interfacial adhesion using the same, a polymerization reaction type carbon fiber-reinforced polymer composite material using the carbon fiber with improved interfacial adhesion, and a production method therefor.

Abstract: Provided is a thermoelectric module including electrodes and P-type and N-type semiconductors formed on a substrate by a printing method. The thermoelectric module includes upper and lower substrates (110 and 120) formed of ceramic or aluminum and forming upper and lower surfaces of the thermoelectric module; electrodes (130) disposed on surfaces of the upper and lower substrates (110 and 120), the electrodes being formed of an electrically conductive material for transmitting electric power; a plurality of P-type and N-type semiconductors (140 and 150) spaced between the electrodes (130), the P-type and N-type semiconductors (140 and 150) being forming by sintering a paste mixture of thermoelectric powder and an organic solvent, wherein the electrodes (130) and the P-type and N-type semiconductors (140 and 150) are formed by a printing method. With this configuration, thin thermoelectric module having various sizes and shapes can be provided.

Abstract: A method of manufacturing yield ratio-controlled steel, including the steps of subjecting alloy steel to rolling or wire drawing, thus obtaining a bar material; performing a first heat treatment, in which the material is heated and maintained for a predetermined period of time at a first temperature ranging from Ac1 to Ac3 based on Ac1 and Ac3 transformation temperatures; and cooling the material to a second temperature ranging from Mf to Ms based on a martensite start temperature (Ms) and a martensite finish temperature (Mf), and performing a second heat treatment, in which the material is maintained at the second temperature for a predetermined period of time.

Abstract: Disclosed herein are a fluid sand falling type circulating fluidized bed boiler with a plurality of risers for preventing erosion and corrosion of water tubes and increasing combustion efficiency, and a method of operating the same. The fluid sand falling type circulating fluidized bed boiler with a plurality of risers includes a boiler section into which fuel and oxidizer are injected, a riser section connected to the boiler section so that the fuel and fluid sand supplied from the boiler section are introduced from the bottom of the riser section and flow up, and a relay section provided on the boiler section to supply the fluid sand having passed through the riser section to the boiler section, wherein the fuel is injected from the top of the boiler section and burned while flowing down therein.

Abstract: A method of manufacturing a silicon carbide (SiC) sintered body and a SiC sintered body obtained by the method are provided. The method includes: preparing a composite powder by subjecting a SiC raw material and a sintering aid raw material to mechanical alloying; and sintering the composite powder, wherein the sintering aid is at least one selected from the group consisting of an Al—C-based material, an Al—B—C-based material, and a B—C-based material. Accordingly, a SiC sintered body that can be sintered at low temperature, can be densified, and has high strength and high electrical conductivity can be prepared.

Abstract: The present invention relates to an austenitic light-weight high-strength steel with excellent properties of welds, and a method of manufacturing the same, the method including: (a) hot-rolling a steel including 20 wt % to 30 wt % of manganese (Mn), 6 wt % to 12 wt % of aluminum (Al), 0.6 wt % to 1.5 wt % of carbon (C), 0.3 wt % to 0.95 wt % of vanadium (V), and a remaining amount of iron (Fe) and other unavoidable impurities; (b) homogenizing the hot-rolled steel; and (c) aging the homogenized steel.

Abstract: This description relates to a substrate formed by using a sliding dielectric film with a low surface energy that activates surface migration of metal adatoms and a method of manufacturing the same. More particularly, a substrate with a sliding dielectric film includes a substrate; a sliding dielectric film with a low surface energy formed on the substrate; and a nanoparticle formed on the sliding dielectric film, wherein the surface energy of the nanoparticle is at least 1000 mJ/m2 greater than the surface energy of the sliding dielectric film. The substrate has a very high SERS enhancement factor with low light loss characteristics in the entire visible region by maximizing the plasmonic coupling between highly-dense and spaced-apart nanoparticles and between the lower substrate and the upper nanoparticles.

Abstract: The present invention relates to a thermoelectric composite material and a method for preparing a thermoelectric composite material. Specifically, the invention relates to a thermoelectric composite material in which graphene oxide attached with conductive metal nanoparticles is dispersed in a thermoelectric material and a method for preparing a thermoelectric composite powder comprising the steps of: growing conductive metal nanoparticles on the surface of graphene oxide (step 1); and introducing the graphene oxide attached with the conductive metal nanoparticles prepared in step 1 into a thermoelectric material precursor solution, followed by heat treatment (step 2).

Abstract: The present disclosure relates to a substrate for surface enhanced Raman scattering, a fabricating method for the same and an analyzing method using the same. The present disclosure may provide a substrate for surface enhanced Raman scattering having excellent surface enhanced Raman scattering effects by randomly stacking of Ag nanowires in a simple way by utilizing a substrate having a filtering function, and a method for efficiently analyzing a material to be analyzed using the same.

Abstract: In a method for manufacturing a supercapacitor, a first graphene current collector, a first electrode and a first separating layer are sequentially formed on a first metal layer, to form a first stacked layer. A second graphene current collector and a second electrode are sequentially formed on a second metal layer, to form a second stacked layer. The second electrode of the second stacked layer is formed on the first separating layer of the first stacked layer, to form a third stacked layer. The third stacked layer is compressed to remove the first and second metal layers, to form a unit stacked layer. The unit stacked layer and a second separating layer or an insulating layer are alternately formed.

Abstract: There is provided an electrostatic precipitation device of explosive exhaust gas particles that can remove by unipolar charging a particulate material such as SiO2 that is included in an explosive exhaust gas by charging the explosive exhaust gas with an indirect charging method of charging through ions that are injected from the outside.

Abstract: A hybrid cutting apparatus and a method of cutting a groove are provided. The hybrid cutting apparatus includes: a main body that is connected with a rotation shaft of a machine tool; a grooving tool that is coupled to one side of the main body and for forming a groove at an interior circumference of a workpiece; and a tool position control means that controls a position of the grooving tool to correspond to a cutting surface position of the workpiece.