Abstract: The present invention provides zeolite hollow spheres in which zeolite crystals grow to form a framework of macropore through a hydrothermal crystallization process using the hydrophilic surface of a carbon sphere as a hard template, wherein the zeolite framework is an ordered, porous crystalline zeolite material with a number of channels or pores interconnected, which has pore structures including mesopores and micropores. The zeolite hollow spheres of the present invention can be used for various purposes such as catalysts and adsorbents.

Abstract: A method of preparing a carbon fiber including: preparing a precursor fiber for preparing a carbon fiber; and stabilizing the precursor fiber. The stabilization of the precursor fiber includes a first stabilization phase, a second stabilization phase, a third stabilization phase, and a fourth stabilization phase, which are set at four different temperatures between a temperature at which heat starts to be generated from the stabilization reaction of the precursor fiber and a temperature at which the generation of heat is maximized. Ozone gas is input while at least one phase of the third stabilization phase and the fourth stabilization phase is carried out.

Abstract: A display apparatus includes a base substrate, a light emitting structure disposed on the base substrate, and a thin film encapsulation layer disposed on the light emitting structure and including at least one inorganic layer and at least one organic layer. The at least one inorganic layer includes a high density layer having a density of greater than or equal to about 2.0 g/cm3 and a low density layer having a density of less than about 2.0 g/cm3. The high density layer and the low density layer are in contact with each other.

Abstract: A method of controlling heating of a hybrid electric vehicle is provided. The method includes receiving a heating request from a driver; determining whether an entry condition of pre-FATC engine ON request (PFEOR) control is satisfied; checking whether the vehicle is capable of entering a HEV mode; determining whether the vehicle enters an idle mode for the PFEOR control; issuing a command for a target engine torque value and a target revolutions per minute for the idle mode to an engine control unit (ECU) from a hybrid control unit (HCU); and performing an engine idle speed control along with engine ON based on the command.

Abstract: A display device includes a substrate, a first conductive layer on the substrate, the first conductive layer including a data signal line, a first insulating layer on the first conductive layer, a semiconductor layer on the first insulating layer, the semiconductor layer including a first semiconductor pattern, a second insulating layer on the semiconductor layer, and a second conductive layer on the second insulating layer, the second conductive layer including a gate electrode disposed to overlap the first semiconductor pattern, a transistor first electrode disposed to overlap a part of the first semiconductor pattern, wherein the transistor first electrode is electrically connected to the data signal line through a contact hole that penetrates the first and second insulating layers, and a transistor second electrode disposed to overlap another part of the first semiconductor pattern.

Abstract: A road surface recognition method may include extracting first point cloud data in a front road surface region of a vehicle from point cloud data generated by LiDAR of the vehicle, generating a point cloud map by use of a local map and the first point cloud data, determining a predicted driving route of the vehicle based on motion-related data of the vehicle; and generating a road surface height profile of the predicted driving route based on the point cloud map and the predicted driving route.

Abstract: A vehicle recommendation system according to an embodiment includes a user tendency determiner configured to determine a user tendency and a trim tendency of a user corresponding to the user tendency based on a response to a user tendency test received from a user terminal. An embodiment can include a price index calculation unit configured to derive a price index of each vehicle based on a price of each vehicle and a vehicle purchase budget of the user. An embodiment can include an optimal tendency matcher configured to derive vehicles each conforming the trim tendency of the user and having the price index equal to or greater than a predetermined critical price index based on at least the trim tendency of the user and the price index. The plurality of candidate vehicles can include a vehicle to be determined whether it is suitable for recommendation to the user as a purchase vehicle.

Abstract: An embodiment is a vehicle comparing method including providing a user question and a user propensity test to an application through a user terminal, receiving a response to the user question and the user propensity test from the user terminal, determining a user propensity based on the response, calculating a plurality of vehicle compatibilities representing vehicle-specific characteristics for each of the plurality of vehicles, determining a reference vehicle among the plurality of vehicles by comparing the user propensity with each of the plurality of vehicle compatibilities, and when receiving a response that either vehicle depreciation rate and a vehicle maintenance cost is considered, providing vehicle purchase information in which the reference vehicle is compared with a target vehicle corresponding to a higher trim or model of the reference vehicle according to a result of considering at least one of the depreciation rate of the vehicle and the vehicle maintenance cost.

Abstract: A vehicle recommendation system includes: an optimum tendency matcher configured to determine an optimal vehicle type suitable for a user tendency among a plurality of vehicles based on the user tendency and a vehicle tendency of each of the plurality of vehicles; an option group classifier configured to generate a plurality of option groups by grouping predetermined option specifications, for each of a plurality of vehicle types, among a plurality of specifications of the vehicle type; and an option group matcher configured to determine an optimal vehicle by matching an option group corresponding to the user tendency among the plurality of option groups of the optimal vehicle type based on the user tendency.

Abstract: A vehicle recommendation system includes: a user tendency determinator configured to determine a user tendency based on a response to a user tendency test received from a user terminal, a vehicle tendency determination device configured to determine a plurality of vehicle tendencies for each of a plurality of vehicles, and an optimal tendency matcher configure to generate a tendency matching index indicating a degree of matching between the user tendency and the vehicle tendency for each of the plurality of vehicles.

Abstract: An embodiment method includes providing a question for a user and a user propensity test, receiving responses to the question for the user and the user propensity test and determining a user propensity based on the responses, and calculating vehicle propensities for indicating vehicle characteristics on vehicles. Calculating the vehicle propensities includes extracting a platform applying time of each of the vehicles and a used fuel type from vehicle data and determining a weight on one of a plurality of vehicle propensity elements by summing platform scores according to the platform applying time and energy source scores according to the used fuel type. The method further includes determining target vehicles belonging to a budget range from among the vehicles and determining an optimal vehicle from among the target vehicles based on matching degrees of the user propensity and the respective target vehicles.

Abstract: A vehicle matching method performed by a service providing server includes: receiving responses to a user question and a user propensity test from a user terminal and determining a user propensity based on the responses; calculating a plurality of vehicle propensities representing vehicle-specific characteristics; setting a plurality of option groups for each of the plurality of vehicles according to trim and option specifications of each vehicle; matching one option group among the plurality of option groups to the user based on the user propensity; determining a degree of matching between a vehicle propensity of each of a plurality of target vehicles belonging to a vehicle purchase budget range among the plurality of vehicles corresponding to the one option group and the user propensity; and determining at least one optimal vehicle among the plurality of target vehicles based on the degree of matching with the plurality of target vehicles.

Abstract: Provided are a method of detecting chromosomal aneuploidy of a targeted fetal chromosome, and a computer-readable medium having recorded thereon a program to be applied to performing the method. According to the present disclosure, fetal chromosomal aneuploidy may be non-invasively and prenatally diagnosed with excellent sensitivity and specificity.

Abstract: The present invention provides zeolite hollow spheres in which zeolite crystals grow to form a framework of macropore through a hydrothermal crystallization process using the hydrophilic surface of a carbon sphere as a hard template, wherein the zeolite framework is an ordered, porous crystalline zeolite material with a number of channels or pores interconnected, which has two independent pore structures including mesopores and micropores. The zeolite hollow spheres of the present invention can be used for various purposes such as catalysts and adsorbents.

Abstract: Provided are a positive electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same, the positive electrode including a positive electrode active material, a conductive material, and a binder, wherein the positive electrode includes a polyimide-based polymer having a carboxyl group. The positive electrode has excellent lithium ion conductivity as well as prevents a side reaction of a positive electrode active material with an electrolyte by including a polyimide-based polymer having a carboxyl group in a positive electrode, wherein the polyimide-based polymer having high heat resistance and high stability is not phase-decomposed in the positive electrode to form a complex compound but protects the surface of the positive electrode active material.

Abstract: Provided are a method of detecting chromosomal aneuploidy of a targeted fetal chromosome, and a computer-readable medium having recorded thereon a program to be applied to performing the method. According to the present disclosure, fetal chromosomal aneuploidy may be non-invasively and prenatally diagnosed with excellent sensitivity and specificity.

Abstract: Provided are a dielectric barrier discharge (DBD) plasma reactor including dielectric particles in a packed-bed in a discharge zone, e.g., a DBD plasma reactor for non-oxidative coupling of methane in which an average gap distance between dielectric particles in the packed-bed is adjusted to improve methane conversion and/or product selectivity; a method of regenerating dielectric particles including removing coke, which sis produced by side reactions, from the dielectric particles deactivated by the coke by using a low temperature plasma in an oxidizing atmosphere in the reactor; a method of manufacturing C2+ hydrocarbons, the method including converting methane into C2+ hydrocarbons including ethylene and/or ethane by non-oxidative coupling of methane in the reactor; and a method of manufacturing hydrogen, the method including generating hydrogen from methane by non-oxidative coupling of methane in the reactor.

Abstract: An apparatus and method of controlling heat of an engine compartment when stopped are provided. The apparatus and method of controlling heat of an engine compartment improve fuel efficiency by managing heat of the engine compartment when a vehicle is stopped after driving.

Abstract: A hybrid vehicle includes active air flaps provided on a front-end module and a controller that controls the active air flaps based on a coolant temperature according to an outdoor air temperature, an inverter temperature of a drive motor according to an outdoor air temperature, an inverter temperature of an starter-generator according to an outdoor air temperature, a temperature of a low DC converter according to an outdoor air temperature, a transmission oil temperature according to an outdoor air temperature, or an engine oil temperature according to an outdoor air temperature, controls the active air flaps based on a refrigerant pressure according to an outdoor air temperature, controls the active air flaps based on an operation mode of a cooling fan, or controls the active air flaps based on an intake temperature according to an outdoor air temperature for each of driving modes of the vehicle.

Abstract: A semiconductor package capable of reducing or preventing cracks from occurring in a conductive bump and a method for manufacturing the same. The semiconductor package includes a semiconductor chip; a first conductive bump; a first re-distribution layer which is provided between the semiconductor chip and the first conductive bump and electrically connects the semiconductor chip and the first conductive bump; and a buffer structure which formed to fill up a space between a side surface of the first conductive bump and one surface of the first re-distribution layer, in which the buffer structure includes a plurality of pores.