Abstract: The present invention discloses a degassing device for battery cell to remove gas generated inside the battery cell, the degassing device comprises: a frame body including a driving shaft moving straight, and fixed shafts fixed on the driving shaft; a module fixed member including a module actuator body combined with the driving shaft and a module fixed body fixed to the fixed shafts to guide the driving shaft to move straight; a first actuator module mounted on the module actuator body, and a second actuator module mounted on the module fixed body to face the first actuator module, wherein the first and second actuator module are a pair facing each other and enables the battery cell to discharge gas and the perforated portion to be sealed, wherein and a plurality of the pairs are installed on the driving shaft and the fixed shafts.

Abstract: Provided is a mesh seat for chairs with easy installation of a mesh fabric, Particularly, provide is a seat for chairs with easy installation of a mesh fabric, in which the mesh fabric may be easily installed while tension of the mesh fabric is increased by horizontal fitting of a seat front bar to a seat frame.

Abstract: One aspect relates to a compound of Formula 1, a method of preparing an intermediate thereof, a cap analog including the same, an mRNA 5?-capped with the cap analog, a method of preparing mRNA using the cap analog, use for using the cap analog in preparing mRNA, and a pharmaceutical composition for expressing a target peptide or protein, including the mRNA 5?-capped with the cap analog, and the like.

Abstract: A fan motor for a vacuum cleaner includes a motor mount defining a cooling flow path inlet, an impeller, an impeller cover defining an air inlet, an air discharge opening defined at the motor mount and configured to discharge air to an outer space of the motor mount, and a cooling flow path outlet defined vertically above the motor mount. The cooling flow path inlet is configured to introduce air from the outer space of the motor mount into an inner space of the motor mount to cool the motor part, and the cooling flow path outlet is configured to discharge air from the inner space of the motor mount toward a space that is defined between the impeller and the air discharge opening based on the space between the impeller and the air discharge opening having a lower pressure than the inner space of the motor mount.

Abstract: Disclosed is a lumbar supporting system of a chair and a chair having the same, and an object to be achieved by the present disclosure is to provide a lumbar supporting system of a chair and a chair having the same, which are capable of accurately supporting a user's waist according to the user's body type by adjusting a height and depth of a lumbar pad by using a vertical operating force.

Abstract: An embodiment of the present invention provides a MXene nanodot core-carbon shell multifunctional catalyst including a MXene nanodot core and a carbon shell surrounding the MXene nanodot core. By introducing the carbon shell surrounding the nanodot core, the stability of the catalyst is ensured, thereby providing effects in that the catalyst may function under various conditions.

Abstract: A vacuum hopper precharger includes: a base frame (20) having a lower plate (21), an upper plate (23), and an intermediate plate (24); a tray (30) located on a top of the intermediate plate (24), and adapted such that a plurality of secondary batteries (100) are seated therein; a gas removal part (40) installed on a bottom of the upper plate (23) of the base frame (20), and intended to remove gas inside the secondary batteries (100); charging parts (50) each installed over the lower plate (21) of the base frame (20), and intended to charge the secondary batteries (100); moving parts (60) fixed to the intermediate plate (24), and intended to move the gas removal part (40) and the charging parts (50) vertically; and a control unit (70) intended to control the gas removal part (40), the charging parts (50), and the moving parts (60).

Abstract: Proposed is an apparatus for supplying hydrogen to various mobility products using hydrogen as fuel, that is, a hydrogen station. An integrated and mobile automatic hydrogen station achieves miniaturization by increasing space efficiency by adopting a structure that can supply high-pressure hydrogen directly from a hydrogen generating source without having a hydrogen storage tank so as to facilitate movement to sites operating hydrogen-fueled mobility products and ensure the airtightness of a gas supply path at the same time, and measures physical state variables such as pressure and temperature of gas being supplied in real time and automatically controls a supply process on the basis of the measurement so as to increase gas filling efficiency while improving safety and user convenience of a filling process.

Abstract: The present invention provides a vacuum hopper precharger configured such that an electrolyte and gases contained in the electrolyte are suctioned by a vacuum hopper, the gases inside the electrolyte are discharged to the outside, and the electrolyte is stored in a vacuum nozzle of the vacuum hopper and then supplied into the secondary battery, thereby reducing defects of the secondary battery and lengthening the life thereof. The present invention comprises: a base frame 20 put in a floor and having an interior space 21; a gas removal part 30 installed on an upper portion of the interior space 21 and removing gases inside a secondary battery 100; an elevator 40 installed on a lower portion of the interior space 21 at an area corresponding to the gas removal part 30, receiving the secondary battery 100 on a top portion thereof, and moving the secondary battery 100 upward or downward; and a controller 50 controlling the gas removal part 30 and the elevator 40.

Abstract: A pump dispenser has a housing, a stem having a first passage, an elastic member, an actuator, a chaplet, a sub-stem, and a piston. The elastic member made of a non-metal material may include: an upper ring; a lower ring; and a plurality of links, which is laminated and connected in a zig-zag form to provide elastic restoration force for compression or elongation. The actuator includes: a passage member that surrounds part of the stem and has a second passage connected the first passage; a nozzle member on an upper portion of the stem and having a third passage with one side in communication with the second passage and another side for discharging a content to outside of the pump dispenser; a guard member enclosing the passage member and at least part of the elastic member; and an extension member extending outwardly on an outer periphery of the guard member.

Abstract: One aspect of the present invention provides a compound in which a functional group capable of binding to a globulin Fc region or a physiologically active polypeptide is introduced at one end of a non-peptidic polymer and a functional group capable of a click reaction is introduced at the other end; a polypeptide conjugate in which a physiologically active polypeptide binds to one end of the compound; a physiologically active polypeptide conjugate in which a physiologically active polypeptide and an immunoglobulin Fc region bind to both ends thereof by using the compound as a linker; and methods for preparing the same compound, polypeptide conjugate, and physiologically active polypeptide conjugate.

Abstract: A drone equipped with fuel cell power pack capable of reducing weight by supplying power from a fuel cell while enabling long-term operation of a drone is provided. The drone equipped with fuel cell power pack may include a case including a wing part placed along an outer circumference of the case, a module frame placed in the case, a fuel cell unit placed in the module frame with a weight balance; and a gas tank mounted on the module frame and connected to the fuel cell unit. Because an overall weight balance of the fuel cell power pack itself can be maintained, even if it is integrally mounted inside the drone, the stable operation of the drone can be achieved.

Abstract: An electronic device including a memory device with improved reliability is provided. The semiconductor device comprises a data pin configured to transmit a data signal, a command/address pin configured to transmit a command and an address, a command/address receiver connected to the command/address pin, and a computing unit connected to the command/address receiver, wherein the command/address receiver receives a first command and a first address from the outside through the command/address pin and generates a first instruction on the basis of the first command and the first address, and the computing unit receives the first instruction and performs computation based on the first instruction.

Abstract: A method for manufacturing a light emitting device includes: providing a base layer and forming an electron transport layer including first and second transport regions. The forming of the electron transport layer includes: applying an electron transport composition including a metal oxide and a photoacid generator such that first and second preliminary transport regions are formed, and irradiating the first and second preliminary transport regions with light, and in the irradiating with the light, the amount of light per unit area irradiated on the first preliminary transport region is different from the amount of light per unit area irradiated on the second preliminary transport region.

Abstract: A fuel cell power pack is provided. The fuel cell power pack may include a case, a gas tank placed in a gas tank mounting and removing part formed in the case, and a fuel cell unit placed in the case in a weight balance with the gas tank. According to the fuel cell power pack, it is possible to reduce weight by supplying power from a fuel cell while enabling long-term operation of a flying object such as a drone, to maintain an overall weight balance and achieve a stable operation of the drone, even if integrally mounted in the drone, to maintain a stable operating environment temperature of a stack by improving an air circulation structure, and to enhance the user's convenience with a gas supply structure that is easy to attach and detach the gas tank.

Abstract: A polyethylene glycol derivative compound is represented by Formula 1 described in the detailed description. In Formula 1, n is a natural number of 30 to 115, and R1 and R2 are C1 to C5 alkyl that are identical to or different from each other.

Abstract: A fan motor for a vacuum cleaner includes a motor mount defining a cooling flow path inlet, an impeller, an impeller cover defining an air inlet, an air discharge opening defined at the motor mount and configured to discharge air to an outer space of the motor mount, and a cooling flow path outlet defined vertically above the motor mount. The cooling flow path inlet is configured to introduce air from the outer space of the motor mount into an inner space of the motor mount to cool the motor part, and the cooling flow path outlet is configured to discharge air from the inner space of the motor mount toward a space that is defined between the impeller and the air discharge opening based on the space between the impeller and the air discharge opening having a lower pressure than the inner space of the motor mount.

Abstract: The present invention discloses a degassing device for battery cell to remove gas generated inside the battery cell, the degassing device comprises: a frame body including a driving shaft moving straight, and fixed shafts fixed on the driving shaft; a module fixed member including a module actuator body combined with the driving shaft and a module fixed body fixed to the fixed shafts to guide the driving shaft to move straight; a first actuator module mounted on the module actuator body, and a second actuator module mounted on the module fixed body to face the first actuator module, wherein the first and second actuator module are a pair facing each other and enables the battery cell to discharge gas and the perforated portion to be sealed, wherein and a plurality of the pairs are installed on the driving shaft and the fixed shafts.

Abstract: A fan motor for a vacuum cleaner includes a motor mount defining a cooling flow path inlet, an impeller, an impeller cover defining an air inlet, an air discharge opening defined at the motor mount and configured to discharge air to an outer space of the motor mount, and a cooling flow path outlet defined vertically above the motor mount. The cooling flow path inlet is configured to introduce air from the outer space of the motor mount into an inner space of the motor mount to cool the motor part, and the cooling flow path outlet is configured to discharge air from the inner space of the motor mount toward a space that is defined between the impeller and the air discharge opening based on the space between the impeller and the air discharge opening having a lower pressure than the inner space of the motor mount.