Abstract: The present disclosure relates to a plurality of host materials comprising at least one first host compound represented by the following Formula 1 and at least one second host compound represented by the following Formula 2, and an organic electroluminescent device comprising the same. By comprising a specific combination of host materials according to the present disclosure in the light-emitting layer, an organic electroluminescent device exhibiting low driving voltage and/or high luminous efficiency and/or long lifespan characteristics can be manufactured.

Abstract: A system for determining a sputum type using a respiratory sound according to an embodiment may comprise a data collection unit that collects respiratory sound data from a patient who has undergone tracheostomy; an image conversion unit that receives the respiratory sound data collected by the data collection unit and converts the received respiratory sound data into a spectrogram image; and a sputum type determination unit that determines a sputum type of the patient who has undergone tracheostomy using a deep learning model based on a pattern difference between the spectrogram images converted by the image conversion unit.

Abstract: The present disclosure relates to a plurality of host materials comprising at least one first host compound and at least one second host compound, an organic electroluminescent compound, and an organic electroluminescent device comprising the same. It is possible to produce an organic electroluminescent device having low driving voltage, high luminous efficiency, and/or excellent lifetime properties, either by utilizing the plurality of host materials comprising a specific combination of host compounds, or by utilizing the organic electroluminescent compound represented by a specific Formula.

Abstract: The present disclosure provides a method and a system for determining the height of a solution in a container in order to amplify and detect a target nucleic acid, the method comprising the steps of: using an illuminator to emit infrared light at the container, which is a colored container; using a detector comprising a photosensor, so as to sense the infrared light passing through the container and refracted, the detector being arranged in the direction of sensing the refracted infrared light; using the sensed refracted infrared light so as to acquire an image; and analyzing the acquired image so as to determine the height of the solution in the container.

Abstract: There is provided an electronic device comprising: an input-output management device configured to manage input-output connections; and a microcontroller communicatively connected to the input-output management device, wherein the microcontroller is configured to perform an initialization phase after a trigger is received from an input-output connection to wake the electronic device from a powered down state, the initialization phase comprising: obtaining, from the input-output management device, wake-up statuses of the input-output connections managed by the input-output management device; and storing the statuses in a memory of the microcontroller; wherein the microcontroller is further configured to perform an operation phase after the initialization phase, the operation phase comprising: transmitting a wake-up confirmation message to the input-output connection with a positive wake-up status. There is also provided a method of responding to a trigger to wake an electronic device from a powered down state.

Abstract: The present disclosure relates to a plurality of host materials comprising a first host material comprising a compound represented by formula 1 and a second host material comprising a compound represented by formula 2, and an organic electroluminescent device comprising the same. By comprising a specific combination of compounds as a host material, an organic electroluminescent device having a lower driving voltage and/or higher luminous efficiency and/or improved lifespan properties compared to a conventional organic electroluminescent device may be provided.

Abstract: An optical L-band amplifier device, which may include a pluggable housing, a two-stage fiber amplification optical path with ultra-high absorption fiber. The device may include an IWDM and a fiber coupling that are protected by coating. The device may be housed in a multi-source agreement (MSA) compliant housing.

Abstract: The present disclosure relates to a system and method for monitoring an injection molding process which may calculate injection time and packing time by attaching an acceleration sensor to an injection molding mold with bolts and measuring an amplitude change of a vibration signal of a mold during injection molding, detect mold closing and opening signals of the mold using a magnetic hall sensor, and monitor the injection molding process by measuring cycle time and cooling time, thereby simplifying installation and maintenance and reducing installation costs.

Abstract: A semiconductor device including an error amplifier configured to receive a voltage of an output node and a reference voltage, a flipped voltage follower (FVF) circuit configured to receive an output of the error amplifier and maintain the voltage of the output node at the reference voltage, and a bias current control circuit configured to receive first to third mode signals, control a magnitude of a bias current flowing through the FVF circuit based on the first to third mode signals, control the bias current of a first magnitude, based on the first mode signal, control the bias current of a second magnitude smaller than the first magnitude, based on the second mode signal, and control the bias current of a third magnitude smaller than the second magnitude, based on the third mode signal.

Abstract: The present disclosure relates to a plurality of host materials comprising at least one first host compound represented by Formula 1 and at least one second host compound represented by Formula 3 different from the first host compound, and an organic electroluminescent device comprising the same. By comprising a specific combination of compounds according to the present disclosure as host materials, an organic electroluminescent device having low driving voltage, high luminous efficiency, and/or significantly improved lifespan characteristic, can be provided.

Abstract: The present invention proposes a microfluidic chip including a microchannel enclosed and formed by a substrate and a cover sheet, a sample fluid added into the microchannel through a sample adding well, a height of a top wall of said microchannel being lower than a height of a contact surface of the substrate and the cover sheet. Through the above setup, it can effectively prevent the leakage of liquid from the side of the microchannel, make the detection results more accurate, and reduce the invalid detection rate and scrap rate.

Abstract: Provided is a method and system for determining a magnetic bead concentration in a suspension according to the disclosure, including irradiating a plurality of different wavelengths of light to a suspension in which magnetic beads are suspended, measuring the intensities of a plurality of reflected light beams at the different wavelengths reflected from magnetic beads, and determining the concentration of the magnetic beads from the measured intensities of the reflected light beams at the different wavelengths.

Abstract: Proposed are a phlegm suction alarm issuing apparatus and a method for a tracheostomy patient which monitor and analyze a respiratory sound of the tracheostomy patient in real time, then check congestion of phlegm, and issue a phlegm suction alarm.

Abstract: The present disclosure relates to a plurality of host materials comprising a compound represented by formula 1 and a compound represented by formula 2, and an organic electroluminescent device comprising the same. By comprising the plurality of host materials comprising a specific combination of compounds, it is possible to provide an organic electroluminescent device having long lifespan characteristics.

Abstract: A photonics integrated circuit chip includes first and second optical waveguides formed on a semiconductor substrate. Light input into the first optical waveguide passes through a first optical isolator and a coupler formed on the substrate. The coupler outputs light from the first optical isolator combined with light from an off-substrate pump light source to an off-substrate optical fiber which outputs the combined light into the second optical waveguide for passage through a second optical isolator formed on the substrate. The substrate may also include third and fourth optical waveguides. Light input into the third optical waveguide passes through a third optical isolator and a second coupler formed on the substrate. The second coupler outputs light from the second optical isolator combined with light from the pump light source to an off-substrate second optical fiber which outputs the combined light into the fourth optical waveguide for passage through a fourth optical isolator formed on the substrate.

Abstract: The present disclosure relates to a plurality of host materials comprising a first host material having a compound represented by formula 1, and a second host material having a compound represented by formula 2, and an organic electroluminescent device comprising the same. By comprising a specific combination of compounds of the present disclosure as host materials, it is possible to provide an organic electroluminescent device having higher luminous efficiency and/or longer lifespan properties as compared with a conventional organic electroluminescent device.

Abstract: A primer group for simultaneous detection of 15 porcine pathogens through high-throughput targeted amplicon sequencing and use thereof are provided. The primer group for simultaneous detection of 15 porcine pathogens through high-throughput targeted amplicon sequencing includes: primers having nucleotide sequences set forth in SEQ ID NO: 1 to SEQ ID NO: 302. The nucleotide sequences of pathogenic target genes are set forth in SEQ ID NO: 303 to SEQ ID NO: 344. The primer group of the present invention is used for amplicon sequencing detection analysis method for 42 target genes of 15 porcine respiratory pathogens, has the technical advantages of rapidness, high efficiency, high targeting, strong specificity, and the like, and is suitable for rapid and accurate simultaneous diagnosis of multiple pathogens of diseased pigs in pig farms.

Abstract: A storage device may generate mapping information between a plurality of memory regions and one or more namespaces. The storage device may record information on empty memory regions among the plurality of memory regions in an empty table, and may determine empty memory regions to be mapped to a target namespace among the empty memory regions recorded in the empty table.

Abstract: The present disclosure belongs to the technical field of wastewater treatment, and discloses an electrochemical nitrogen and phosphorus removal device and a method.

Abstract: The present invention is related to a novel positive electrode active material for lithium-ion battery. The positive electrode active material is expressed by the following formula: Li1.2NixMn0.8-x-yZnyO2, wherein x and y satisfy 0<x?0.8 and 0<y?0.1. In addition, the present invention provides a method of manufacturing the positive electrode active material. The present invention further provides a lithium-ion battery which uses said positive electrode active material.