Abstract: A vibration apparatus may include a vibration generating part including at least one or more vibration parts. The vibration apparatus may further include a first cover member at a first surface of the vibration generating part, a second cover member at a second surface of the vibration generating part, and a signal cable including first and second signal lines connected to the at least one or more vibration parts. The second surface of the vibration generating part is different from the first surface of the vibration generating part. The first and second signal lines may be provided between the second cover member and the vibration generating part.

Abstract: Disclosed herein are an apparatus and method for transmitting a covert message in wireless communication. The apparatus for transmitting a covert message in wireless communication may be configured to, in a covert message in which a data frame is composed of a Start Frame Delimiter (SFD), a header, a payload, and a Cyclic Redundancy Check (CRC), transmit the SFD of the covert message corresponding to a first sequence number masked with a preset SFD mask length, transmit the header of the covert message corresponding to a second sequence number masked with a preset header mask length, transmit the payload of the covert message corresponding to a third sequence number masked with a preset payload mask length, and transmit the CRC of the covert message corresponding to a fourth sequence number masked with a preset CRC mask length.

Abstract: A semiconductor device includes a substrate having a substrate groove extending in a first direction, a gate insulating layer conformally covering an inner wall of the substrate groove, a metal-containing pattern on the gate insulating layer and filling a lower portion of the substrate groove, a silicon pattern on the metal-containing pattern in the substrate groove, and a word line capping pattern on the silicon pattern in the substrate groove, wherein the silicon pattern includes a first silicon pattern covering an upper surface of the metal-containing pattern and a sidewall of the gate insulating layer and having a pattern groove formed thereon and a second silicon pattern filling the pattern groove, the first silicon pattern having a first impurity concentration, and the second silicon pattern having a second impurity concentration less than the first impurity concentration.

Abstract: An A(Audio)/V(Video) transmitting device according to an embodiment of the present disclosure may comprise: a RF transmitting module configured to transmit an image data to an A/V receiving device; and a processor configured to: obtain network state information, determine a compression ratio of an original image and values of one or more quality factors based on the obtained network state information, compress an image signal processed according to the determined values of one or more quality factors with the determined compression ratio, and transmit the compressed image to the A/V receiving device through the RF transmitting module.

Abstract: A circuit board with anti-corrosion properties, a method for manufacturing the circuit board, and an electronic device are provided. The circuit board includes a circuit substrate, a first protective layer, and a second protective layer. The circuit substrate includes a base layer and an outer wiring layer formed on the base layer. The circuit substrate further defines a via hole connected to the outer wiring layer. The first protective layer is formed on the outer wiring layer and an inner sidewall of the via hole, and is made of a white oil. The second protective layer is formed on the first protective layer.

Abstract: Disclosed in embodiments of the present application are a resource allocation method, a device, and a medium. The method comprises: a terminal device determines N NPRACH transmission resources corresponding to a sending period of an ephemeris-bearing SIB bearing according to said sending period as well as configuration information for an NPRACH transmission resource indicated in an SIB2, where N is a natural number greater than zero; the terminal device randomly selects one NPRACH transmission resource from among the N NPRACH transmission resources; and the terminal device performs random access on a network device by means of the selected NPRACH transmission resource.

Abstract: Provided is a display apparatus including a substrate, a display element on the substrate and defining an emission area, a low-reflection layer on the display element and including an inorganic material, a light blocking layer including a first sub-light blocking layer on the low-reflection layer and a second sub-light blocking layer on the first sub-light blocking layer, the light blocking layer having an opening passing through the first sub-light blocking layer and the second sub-light blocking layer to correspond to the emission area, and a reflection control layer on the light blocking layer and filling the opening. The first sub-light blocking layer includes a metal material, and the second sub-light blocking layer includes a metal material and/or a metal oxide.

Abstract: Provided is a microplastic recovery material according to an embodiment of the inventive concept including a porous structure including a first hierarchical pocket provided in an outer surface thereof, and a nano-protrusion provided on the outer surface. The first hierarchical pocket includes a first pocket and a second pocket that are connected to each other. The first pocket has a diameter of about 1 mm to about 5 mm. The second pocket has a diameter of about 1 ?m to about 100 ?m.

Abstract: Avobenzone complexes are provided, including a complex of avobenzone-RsC5 and a complex of cucurbit[7]uril. Among other uses, the complexes can be used in sunscreen compositions. In one embodiment, the avobenzone complex is from about 0.5 to about 10 weight percent of the sunscreen composition.

Abstract: A heating device including a high-power heating area is disclosed. In detail, the heating device includes a switch and a controller, wherein the switch is configured to connect an alternating current (AC) power source to a rectifying portion in order to provide AC power of different power phases to a plurality of rectifiers for a high-power heating area when high power is provided through the high-power heating area of the heating device and in order to provide AC power of only one AC power phase from among the different power phases to the plurality of rectifiers for the high-power heating area when low power is provided through the high-power heating area, and the controller is configured to control a switching operation of the switch according to a power level of the heating device.

Abstract: Disclosure is an underbody for a vehicle. The underbody includes side members formed long at opposite lateral portions of a vehicle body in a longitudinal direction of the vehicle body, and hollow cross members formed long in a transverse direction of the vehicle body, and integrally connected to the two side members.

Abstract: Disclosed are an apparatus and method for determining an insertion position of a trocar on a three-dimensional virtual pneumoperitoneum model of a patient. According to the present disclosure as above, the present disclosure may determine a disposition position of the trocar on the pneumoperitoneum model of the patient, which is used in the same surgical simulation as during the actual surgery, the body of the patient, the positions of the surgical tools, the distances to organs, the angles, and the like may be predicted with a high accuracy through the same camera (endoscope) as the actual surgery.

Abstract: An apparatus for controlling a tilt rotor is provided. The apparatus includes a thrust command generator configured to generate a first collective pitch angle based on a throttle command, a rotation speed compensator configured to generate a compensation value based on a rotation speed of the motor, a compensation weight generator configured to generate weight values according to a flight speed, a collective pitch angle command generator configured to generate a collective pitch angle adjustment command of the rotor blade of the motor, based on the first collective pitch angle and a first compensation value being obtained by multiplying the compensation value by a preset conversion ratio and a first weight value, and a motor controller configured to generate a motor control command based on a second compensation value being obtained by multiplying the compensation value by a second weight value and the first collective pitch angle.

Abstract: Disclosed are compounds and pharmaceutically acceptable salts and stereoisomers thereof that are suitable for cellular labeling or the treatment of cancer. Also disclosed are pharmaceutical compositions containing same, and methods of making and using the compounds.

Abstract: The present disclosure relates to a sleeve gastrectomy aid device including: a guide configured to be inserted into a stomach of a patient; an expander configured to be disposed outside the guide and have a volume that changes according to an amount of air therein; a first measurer configured to measure a pressure applied to the expander and have a shape that changes in accordance with a change in the volume of the expander; and a monitor configured to be connected to the first measurer and provide resection position information through a value of the pressure measured by the first measurer.

Abstract: The present disclosure relates to a cell culture medium composition and a preparation method therefor. By replacing an animal serum with a Spirulina hydrolysate, cell growth can be induced and cell proliferation can be promoted to a level greater than or equal to that of a medium containing an animal serum, while significantly reducing the added amount of animal serum.

Abstract: The present invention relates to a method for grafting a surface of a medical device by using quaternized trimethylamine. A catheter onto which quaternized trimethylamine has been grafted allows for the reduction of thrombus production. Therefore, the catheter having quaternized trimethylamine grafted thereto exhibits the effect of repressing thrombus production and enhancing the function of inhibiting blood adsorption and blood cell adsorption.

Abstract: A panel assembly for a mobility vehicle is introduced, in which when the external plate is joined to the vehicle body frame, a bent portion is accommodated on and joined to the vehicle body frame, and a fixed state is maintained by a fastening method or a fitting method when the external plate is joined to the vehicle body frame so that a robust fixed state is maintained. Even though the specifications of a vehicle body frame are changed, some of a plurality of parts, which forms an external plate, may be changed and applied to the changed vehicle body frame, which makes it possible to flexibly cope with the specifications of various mobility vehicles.

Abstract: Mesenchymal stem cells, a preparation method therefor, and a cell therapeutic agent using same have hemocompatibility since thrombosis thereof is suppressed after the expression or activation level of blood coagulation initiating factor CD142 is reduced or inhibited. When intravascularly administered, the mesenchymal stem cells have improved hemocompatibility since thrombosis thereof, which can be caused by the administered mesenchymal stem cells, is suppressed.

Abstract: A wireless power transmission device and a control method thereof are provided. The wireless power transmission device includes a wireless power transmitter, a communication interface, a sensing coil, a light source driver, a light source, and at least one processor. The at least one processor is configured to control the wireless power transmitter to transmit first power supplied by the working coil to the cooking appliance, control the light source driver to measure second power induced in the sensing coil when the first power is transmitted, and control the light source driver to set at least one of a light emission intensity of the light source, a light emission color of the light source, or a light emission form of the light source, based on the amount of the second power.