Abstract: A quick connector includes a socket having a socket opening and a plug inserted and coupled to the socket opening. The socket includes a socket body having a socket space into which the plug is inserted and a latch that hampers insertion of the plug into the socket space or stops the plug from escaping to the outside. The plug includes an insert body, an insert O-ring that surrounds the insert body, and an insert hook protruding outward from the insert body. The latch includes a latch frame, a latch opening formed in the latch frame, and a latch step that hides part of the latch opening, the latch step being disposed on the latch frame such that when the insert body is inserted into the socket space, the insert O-ring does not make contact with the latch step, but the insert hook makes contact with the latch step.

Abstract: A hydroformylation catalyst having excellent catalytic activity and stability, a composition including the hydroformylation catalyst, and a method of preparing an aldehyde using the hydroformylation catalyst, wherein, when hydroformylation of an olefin compound is performed in the presence of the hydroformylation catalyst to prepare an aldehyde, the normal/iso (n/i) ratio of the prepared aldehyde is lowered, and synthesis gas yield is increased.

Abstract: The present invention relates to a polycarbonate resin composition and an optical molded article comprising the same. The polycarbonate resin composition according to the present invention is excellent in transmittance and color stability and thus can ensure high transparency, and further can enhance the stability of a polycarbonate resin.

Abstract: A method for preparing trimethylolpropane, the method including: subjecting dimethylolbutanal (DMB) to a hydrogenation reaction in the presence of a metal catalyst and an alcohol solvent. During the hydrogenation reaction, a weight ratio of the alcohol solvent based to dimethylolbutanal is 2 to 10.

Abstract: A hot-melt adhesive composition includes a styrene-budadiene-styrene triblock copolymer, a tackifier and a plastic oil. The hot-melt adhesive composition maintains a low-viscosity characteristic and thereby, can be melt-processed at relatively low temperatures and has improved processability. Further, the hot-melt adhesive composition is superior in terms of adhesive force and thermal resistance and also in terms of mechanical properties after curing, and thus can be used in various industrial fields.

Abstract: A hot-melt adhesive composition includes a styrene-butadiene-styrene triblock copolymer and a styrene-isoprene-styrene triblock copolymer. The hot-melt adhesive composition enables melt processing at a relatively low temperature because of having a low viscosity property and thus exhibits excellent adhesive strength and heat resistance while improving the processability. In particular, the melt adhesive composition has excellent mechanical properties after curing, and thus can be used in various industrial fields.

Abstract: Provided is an adaptive data recording method of recording data in a storage medium using a file allocation table (FAT) file system by a data recording device, the method includes: receiving the data; creating at least one file in which the data is recorded, configuring a cluster chain by sequentially connecting cluster addresses according to an FAT of the storage medium, and recording the data at a actual position of each cluster address; when a file termination interrupt occurs, terminating the file by terminating the cluster chain of the file under data recording, creating a new file, configuring a new cluster chain, and continuously recording the data; and if a residual capacity of the storage medium is less than a predetermined spare capacity when creating a new file, selecting at least one file which is terminated after previous data recording, and continuously recording the data reusing the cluster chain of the selected file.

Abstract: There are provided a quantum dot light emitting diode based on a quantum dot of which a surface is passivated with a short chain ligand, and a method of manufacturing the same.

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: A hydroformylation catalyst having excellent catalytic activity and stability, a composition including the hydroformylation catalyst, and a method of preparing an aldehyde using the hydroformylation catalyst, wherein, when hydroformylation of an olefin compound is performed in the presence of the hydroformylation catalyst to prepare an aldehyde, the normal/iso (n/i) ratio of the prepared aldehyde is lowered, and synthesis gas yield is increased.

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.

Abstract: An elevator of the present invention includes a guide member spaced apart from a structure and formed in a vertical direction with respect to the ground, a first elevating member coupled to the guide member to be moveable in a longitudinal direction of the guide member, a second elevating member coupled to the guide member to be moveable in the longitudinal direction of the guide member, detachably coupled to a lower side of the first elevating member, and lifted and lowered together with the first elevating member, and at least one connecting unit which connects the first elevating member and the second elevating member.

Abstract: A multi-modal functional OCT imaging methodology and system are provided that enable concurrent intrinsic optical signal (IOS) imaging of stimulus-evoked neural activity and hemodynamic responses at capillary resolution. An OCT angiography (OCTA)-guided IOS analysis is used to separate neural-IOS and hemodynamic-IOS changes in the same retinal image sequence. The OCTA-guided IOS data processing used for this purpose differentiates two functional images, namely, a neural-IOS map and a hemodynamic-IOS map, from the same image dataset.

Abstract: The present invention relates to a method for controlling an air conditioner for a vehicle, which includes a blower having a structure divided into a plurality of inlets and a plurality of outlets. The method may include: detecting or predicting, by a controller, one or more of an inside temperature of the vehicle, an outside temperature, a temperature of an engine serving as a heating source, an indoor humidity of the vehicle, CO2 concentration and rear seat passenger information; and comprehensively determining, by the controller, an outdoor state of the vehicle, an indoor state of the vehicle and a user's intention based on the detected or predicted information and a blower setting mode, and controlling an inlet door of the air conditioner according to one of a plurality of designated steps.

Abstract: The present disclosure relates to a 5th generation (5G) or pre-5G communication system for supporting a higher data transmission rate than 4th generation (4G) communication systems such as long term evolution (LTE).

Abstract: There are provided a quantum dot light emitting diode based on a quantum dot of which a surface is passivated with a short chain ligand, and a method of manufacturing the same.

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 invention relates to a polycarbonate resin composition and an optical molded article comprising the same. The polycarbonate resin composition according to the present invention is excellent in transmittance and color stability and thus can ensure high transparency, and further can enhance the stability of a polycarbonate resin.

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: A method for preparing trimethylolpropane, the method including: subjecting dimethylolbutanal (DMB) to a hydrogenation reaction in the presence of a metal catalyst and an alcohol solvent. During the hydrogenation reaction, a weight ratio of the alcohol solvent based to dimethylolbutanal is 2 to 10.