Abstract: A bioreactor for suspension cells is provided. The bioreactor for suspension cells may comprise: a frame unit; a driving unit mounted on the frame unit, and a cell culture unit including a housing having an inner space filled with a medium containing suspension cells, and a plurality of supports disposed in multiple stages in the inner space to be spaced at intervals from each other, the cell culture unit having one end axially coupled to the driving unit.

Abstract: A fluid filling nozzle may include a nozzle part configured to guide a fluid from an interior thereof along a reference direction, a rotation part coupled to a side of the nozzle part in the reference direction such that an end thereof in an opposite direction to the reference direction is rotatable, and a guide part, in which the nozzle part is disposed in an interior thereof, and that is configure to guide the nozzle part to move parallel or antiparallel to the reference direction. The guide part May be configured to engage a portion of the rotation part such that the rotation part is rotated if the guide part is moved parallel or antiparallel to the reference direction.

Abstract: A motor driving apparatus includes an inverter that includes a switching element connected between either terminal of a battery and a thermistor insulated from the switching element and that drives a motor through the switching element, a resistor connected between a sensing node to which one end of the thermistor is connected and a terminal of a low source voltage, and a motor controller configured for controlling a relay connected between the battery and the switching element based on a voltage of the sensing node.

Abstract: An anhydrous fiber-dyeing apparatus using vacuum transfer, includes: a hollow drum in which a plurality of fine holes are formed to penetrate therethrough, and a fiber to be dyed are wound around an outer surface thereof; a transfer film covering the outer surface of the fiber wound around the drum and having an inner side surface coated with a dye; heating means heating the fiber wound around the drum; and a vacuum means suctioning air through an inner space of the drum to form a vacuum pressure through the fine holes of the drum.

Abstract: A static electricity visualization apparatus capable of visually identifying a measured level of static electricity is provided.

Abstract: An electrode catalyst is configured such that non-noble metal particles, noble metal particles or nitride-doped noble metal particles are supported on a carbon support, wherein the carbon support has a 2D planar crystal structure or a 3D polyhedral crystal structure and is doped with nitrogen, thereby exhibiting increased catalytic activity.

Abstract: A comment management method manages a plurality of comments written about content and selects at least one first comment from among the plurality of comments based on a first condition that is based on feedback from users for each of the plurality of comments, selects a second comment based on the feedback and a second condition that is based on the time at which a comment is written, and distinguishably displays the first comment and the second comment on a user terminal that displays the content.

Abstract: A light emitting element may include a semiconductor stack structure including an N-type semiconductor layer, a P-type semiconductor layer, and an active layer disposed between the N-type semiconductor layer and the P-type semiconductor layer, and an insulating layer disposed on a side portion of the semiconductor stack structure. The semiconductor stack structure may include a fluorinated area disposed adjacent to the insulating layer.

Abstract: A razor cartridge is proposed. The razor cartridge may include at least one blade having a cutting edge and a blade housing accommodating the at least one blade in a longitudinal direction. The razor cartridge may also include a guard frame accommodating the blade housing to be movable forwards and backwards, in which the guard frame includes a first front supporter provided in front of the blade housing and coming into contact with skin during a shaving process. The blade housing may include a second front supporter provided between the blade and the first front supporter and coming into contact with skin during the shaving process. A topmost portion of the second front supporter may be higher than a topmost portion of the first front supporter.

Abstract: A razor cartridge is proposed. The razor cartridge may include at least one blade, a blade housing accommodating the at least one blade, and a guard frame accommodating the blade housing to be movable forwards and backwards. The guard frame may include a first front supporter provided in front of the blade housing. The blade housing may include a second front supporter provided between the blade and the first front supporter. A topmost portion of the first front supporter may be higher than a topmost portion of the second front supporter so that the first front supporter can come into contact with skin where the blade housing is at a foremost position relative to the guard frame, and the second front supporter can come into contact with skin where the blade housing is at a rearmost position relative to the guard frame, during shaving the shaving process.

Abstract: Provided are a lithium primary battery in which a structure of an electrode closely related to output characteristics of the battery is improved to expand a reaction area, thus improving the output characteristics of the battery, and a method for manufacturing the lithium primary battery.

Abstract: A three-dimensional out sole having a pattern having improved quality and durability has a dye permeated into the surface of the outsole. A depth to which the dye penetrating the micropores is 0.08 mm to 0.12 mm. The dye is permeated into the microspores through vacuum suction. The dye is digitally printed on a thermoplastic sheet. The thermoplastic sheet on which the dye is printed is heated to be softened with flexibility. The softened sheet having flexibility is closely attached to a surface of the shoe outsole having the three-dimensional shape through vacuum adsorption and then is permeated therein.

Abstract: A comment management method manages a plurality of comments written about content and selects at least one first comment from among the plurality of comments based on a first condition that is based on feedback from users for each of the plurality of comments, selects a second comment based on the feedback and a second condition that is based on the time at which a comment is written, and distinguishably displays the first comment and the second comment on a user terminal that displays the content.

Abstract: A wafer cleaning apparatus is provided. The wafer cleaning apparatus includes comprising a chamber configured to be loaded with a wafer, a nozzle on the wafer and configured to provide liquid chemicals on an upper surface of the wafer, a housing under the wafer, a laser module configured to irradiate laser on the wafer, a transparent window disposed between the wafer and the laser module, and a controller configured to control on/off of the laser module, wherein the controller is configured to control repetition of turning the laser module on and off, and retain temperature of the wafer within a temperature range, and a ratio of time when the laser module is on in one cycle including on/off of the laser module is 30% to 50%.

Abstract: A metal-carbon dioxide battery includes an anion exchange membrane. The metal-carbon dioxide battery includes an anode, a cathode, the anion exchange membrane located between the anode and the cathode, a first supply unit configured to provide a first electrolyte to the anode, and a second supply unit configured to provide a second electrolyte including protons and bicarbonate ions to the cathode.

Abstract: An organic light emitting diode includes a first electrode; a second electrode facing the first electrode; and a first emitting part including a first emitting material layer and positioned between the first and second electrodes, wherein the first emitting material layer includes a first p-type host and a first n-type host, and wherein the first p-type host is represented by Formula 1, and the first n-type host is represented by Formula 3.

Abstract: Systems and methods include storage of a plurality of encrypted data pages of a row store database table in a persistent storage system, determination of a first encryption key associated with one of the plurality of encrypted data pages based on a header of the one of the plurality of encrypted data pages, determination of whether the first encryption key has been revoked, and, if it is determined that the first encryption key has been revoked, adding of a portion of volatile memory allocated to the one of the plurality of data pages to a free list.

Abstract: A hydrogen generation and carbon dioxide storage system is capable of selectively dissolving and storing carbon dioxide contained in a mixed gas such as steel byproduct gas, exhaust gas, or the like. The system includes: a metal-carbon dioxide battery with an anode, a cathode, and a separator between the anode and the cathode; a first supply unit to supply a first electrolyte to the anode; a second supply unit to supply a second electrolyte to the cathode; a separation unit to separate hydrogen gas from a product discharged from the cathode; and a dissolution unit downstream of the separation unit to prepare a precursor by receiving a starting material and dissolving carbon dioxide in the starting material.

Abstract: A catalyst for a fuel cell includes: a crystalline carbon support having a specific surface area of about 200 m2/g to about 500 m2/g; and intermetallic active particles of a transition metal and a noble metal, wherein the intermetallic active particles are supported on the crystalline carbon support and have a particle diameter of greater than or equal to about 3 nm.

Abstract: A hydrogen generation and carbon dioxide storage system for producing an alkali bicarbonate is provided. The system may include: a metal-carbon dioxide battery comprising an anode, a cathode, and a separator interposed between the anode and the cathode; a first supplier configured to provide a first electrolyte to the anode; a second supplier configured to provide a second electrolyte to the cathode; a reaction unit configured to manufacture a precursor material by reacting starting materials comprising aqueous alkali carbonate solution and carbon dioxide; a third supplier configured to provide the aqueous alkali carbonate solution to the reaction unit; a fourth supplier configured to provide the carbon dioxide to the reaction unit; and a hydrogen gas separator configured to separate hydrogen gas from a product discharged from the cathode and to provide a remainder of the product to the reaction unit.