Abstract: An apparatus and a method for processing a capacitor according to the present disclosure may include a clamping module grabbing or releasing a capacitor to transport the capacitor, and a first processing module and a second processing module matched with each other to process and test leads of the capacitor, and simultaneously perform various processes through different processing units formed in the first processing module and symmetrical processing units formed in the second processing module and corresponding to be matched with the processing units. By providing the apparatus and method for processing the capacitor, it is possible to process a larger amount of capacitors assembled to a capacitor assembly and identify and remove the electrical defect before assembled to the assembly.

Abstract: An apparatus for assembling a capacitor assembly and a method for assembling the capacitor assembly using the same according to the present disclosure includes: a processing module mechanically, electrically coupling a capacitor to a bracket to assemble to a capacitor assembly, a test module testing whether the assembled capacitor assembly normally operates, and a conveyor module in which the capacitor assembly is arranged to sequentially perform the processing and test processes while moving in one direction, and it is possible to precisely detect whether the capacitor assembly is defective through two or more tests, and if many mechanical defects occur, it is possible to reduce the possibility of occurrence of the mechanical defect by controlling and adjusting some of the processing modules and improve productivity.

Abstract: A method for producing neopentyl glycol comprising a step of perforning a hydrogenation reaction by injecting a hydroxypivaldehyde (HPA) solution and hydrogen into a hydrogenation reactor, and a step of adjusting the content of H2O contained in the hydroxypivaldehyde solutionto 6.0% by weight or less before the hydroxypivaldehyde solution being injected into the hydrogenation reactor.

Abstract: A nanopowder continuous production device for improving nanopowder collection efficiency is proposed. In one aspect, the device includes a reaction chamber evaporating a raw material using a plasma electrode and a crucible, and a raw material supplier connected to a first side of the reaction chamber and supplying the raw material to the reaction chamber. The device may also include a conveying film moving along a closed loop while capturing and conveying evaporated raw material or crystallized nanopowder at an upper portion in the reaction chamber, and a collector connected to a second side of the reaction chamber and collecting the nanopowder conveyed by the conveying film. The collector may include a first capturer having a scrapper disposed at an end of the conveying film and tensioners elastically supporting the scrapper, and a first side of the scrapper is in close contact with the conveying film.

Abstract: An apparatus for continuously preparing nanopowder in which an evaporation amount and speed of a raw material are adjusted is proposed. In one aspect, the apparatus includes a reaction chamber evaporating a raw material using a plasma electrode and a crucible, and a raw material supplier connected to a first side of the reaction chamber and supplying the raw material to the reaction chamber. The apparatus may also include a conveying film moving along a closed loop while capturing and conveying the raw material that has been evaporated or nanopowder that has been crystallized at an upper portion in the reaction chamber. The apparatus may further include a collector connected to a second side of the reaction chamber and collecting the nanopowder conveyed by the conveying film.

Abstract: The invention provides a robust in vitro 3D atrial tissue platform made from human induced pluripotent stem cell (hiPSC)-derived cardiomyocytes. The platform is useful for evaluating atrial-specific chemical responses experimentally and computationally.

Abstract: A method is provided for preparing a super absorbent polymer capable of exhibiting an excellent absorption rate by including a uniform porous structure through a simple and economical process. The method includes: performing a crosslinking polymerization of a water-soluble ethylenically unsaturated monomer to form a hydrogel polymer; drying and pulverizing the hydrogel polymer; classifying the pulverized polymer into polymer particles having a particle size of at least 10 to 150 ?m, polymer particles having a particle size of 150 to 200 ?m, and polymer particles having a particle size of 200 to 850 ?m to form a base polymer powder having a particle size of 150 to 850 ?m; and surface-crosslinking the base polymer powder, wherein in the crosslinking polymerization step, the foaming polymerization proceeds in the presence of polymer particles having an average particle size of 10 to 200 ?m obtained in the classifying step and an anionic surfactant.

Abstract: The present disclosure relates to a preparation method of a super absorbent polymer composition. More specifically, it relates to a preparation method of a super absorbent polymer composition capable of pulverizing the hydrogel polymer to a normal particle size without agglomeration between particles by adding an additive having a specific structure, reducing manufacturing cost by simultaneously performing a drying process and a surface cross-linking process, and significantly reducing the amount of fine powder generated during the process.

Abstract: The present disclosure relates to an energy conversion material including: a pair of 2-dimensional active layers; and a property control layer positioned between the 2-dimensional active layers, and the property control layer is changed in any one or more of structure and state depending on an external environmental factor and performs reversible switching between the 2-dimensional active layers.

Abstract: The present disclosure relates to a preparation method of a super absorbent polymer composition. More specifically, it relates to a preparation method of a super absorbent polymer composition capable of pulverizing the hydrogel polymer to a normal particle size without agglomeration between particles by adding an additive having a specific structure, and significantly reducing the amount of fine powder generated during the process.

Abstract: Disclosed herein a cooling system includes a refrigerant circulator that a refrigerant is circulated, wherein the refrigerant circulator includes a first compressor configured to pressurize the refrigerant in gaseous state; a first cooler configured to cool the refrigerant pressurized by the first compressor; a first gas-liquid separator configured to separate the refrigerant cooled by the first cooler into a first refrigerant flow of a gas component and a second refrigerant flow of a liquid component; a second compressor configured to pressurize the first refrigerant flow; a second cooler configured to cool the first refrigerant flow pressurized by the second compressor; a second gas-liquid separator configured to separate the refrigerant cooled by the second cooler into a third refrigerant flow of a gas component and a fourth refrigerant flow of a liquid component; a first expansion member configured to decompress the fourth refrigerant flow.

Abstract: A camera module provided in an electronic device according to various embodiments of the present invention may comprise an image sensor that comprises a first area which receives an external light and on which an image is formed and a second area which surrounds the first area; and a shielding member that is disposed on the image sensor, corresponds to the second area, and shields electromagnetic waves which are emitted from the image sensor or emitted from the electronic component of the electronic device and introduced into the image sensor. In addition to this embodiment, various embodiments are possible.

Abstract: The present invention provides a quantum dot of which a surface is passivated with a short chain ligand, and a method of passivating a surface of the quantum dot using a ligand exchange reaction.

Abstract: The present disclosure relates to a superabsorbent polymer composition and a method for preparing the superabsorbent polymer composition. More specifically, according to a superabsorbent polymer composition and a method for preparing the same of the present disclosure, a superabsorbent polymer composition having improved anticaking efficiency without deterioration of absorption performance can be provided.

Abstract: A method of preparing a super absorbent polymer and a superabsorbent polymer prepared from the same are disclosed herein. In some embodiments, a method includes mixing a mixture comprising fines having a particle diameter of 150 ?m or less, a surface-modified inorganic material having a reactive functional group, and water, and drying the mixture to prepare a fine powder reassembly. There may be provided a super absorbent polymer exhibiting excellent absorption properties and mechanical properties such as crushing strength while having uniform particle size distribution by effectively reassembling fines obtained inevitably in the preparation of a super absorbent polymer.

Abstract: Disclosed are an electronic device and a method for generating a clock signal within a camera module. The electronic device includes a processor, and a camera module, wherein the camera module may include a clock generation circuit configured to generate a second clock signal, the second clock signal being independent from a first clock signal, the first clock signal being generated by the processor, an optical correction circuit configured to be driven based on the second clock signal, and an image sensor configured to be driven while being synchronized with the optical correction circuit based on the second clock signal, wherein the processor may be configured to transfer a control command to the camera module, based on an input for driving the camera module and to acquire at least one image through the synchronized optical correction circuit and image sensor based on the second clock signal.

Abstract: The present invention relates to a catalyst composition for hydroformylation and a method of preparing an aldehyde using the same. More specifically, the present invention provides a catalyst composition for hydroformylation including a specific phosphite-based ligand and a transition metal compound in a specific amount range, thereby being capable of greatly lowering a use amount of an expensive transition metal compound and exhibiting excellent catalyst activity or stability. In addition, by using the catalyst composition in hydroformylation, excellent reaction efficiency may be provided and iso-aldehyde may be generated in high yield.

Abstract: Provided is an ultrasound system configured to detect a flow noise signal at a phantom gate and display a visual indictor representing the detected flow noise signal. The ultrasound system transmits ultrasound signals to an object including a sample volume and receives echo signals from the sample volume and at least one phantom gate. The ultrasound system also generates an ultrasound image based on the received echo signals and displays the generated ultrasound image. Furthermore, the ultrasound system detects a flow noise signal at the at least one phantom gate by using the echo signals and displays a visual indicator representing the detected flow noise signal together with the ultrasound image.

Abstract: An electronic device and a method of payment by the electronic device are provided. The electronic device includes a local wireless communication circuit, a first biometric sensor and a second biometric sensor, a security module configured to store payment information corresponding to a payment card, a processor electrically connected to the first biometric sensor, the second biometric sensor, the local wireless communication circuit, and the security module, and a memory electrically connected to the processor, wherein the memory is configured to store instructions that cause the processor to select at least one of the first biometric sensor or the second biometric sensor, based on a security policy of an issuer of the payment card or a security policy of the payment card, authenticate a user by using the selected biometric sensor, and if the authentication is successful, transmit the payment information to an external device through the local wireless communication circuit.

Abstract: A method for preparing dimethylolbutanal including performing an aldol reaction of n-butyraldehyde (n-BAL) and paraformaldehyde (PFA) in the presence of water and an alkylamine catalyst, in which a weight ratio of the paraformaldehyde:water is 1:0.35 to 1:0.85.