Abstract: A cleaner for a lidar sensor may include: a blast pipe unit through which wind generated from a fan of an engine passes; and a lidar sensor installed in the blast pipe unit, wherein foreign matter adhering to the surface of the lidar sensor are removed by wind discharged from the blast pipe unit.

Abstract: A polymer composition that is capable of exhibiting a unique combination of ductility (e.g., tensile elongation at break), impact strength (e.g., Charpy notched impact strength), and dimensional stability is provided. For example, the polymer composition may contain a liquid crystalline polymer in combination with an epoxy-functionalized olefin copolymer and an inorganic particulate material.

Abstract: A light detection and ranging (“lidar”) sensing device including a sensing light source unit configured to radiate sensing light, a scanner unit configured to reflect the sensing light radiated by the sensing light source unit toward a target and to reflect incident light reflected by the target and integrated with the sensing light source unit, a light-receiving lens configured to transmit the incident light reflected by the scanner unit, a light-receiving reflector configured to reflect the incident light passing through the light-receiving lens, and an optical detection unit on which the incident light reflected by the light-receiving reflector is incident.

Abstract: A pressurizing centrifugal dehydrator for removing moisture includes: an inner basket into which slurry is introduced; an outer basket surrounding the inner basket; a pressurization chamber disposed in the outer basket; and a gas supplying portion for supplying gas into the pressurization chamber, wherein the gas supplied to the pressurization chamber is ejected from the pressurization chamber toward a dehydration product positioned between the outer basket and the pressurization chamber.

Abstract: A Light Detection And Ranging (LiDAR) system may include: a transmitter configured to output pulse laser; a reflecting mirror comprising two or more reflecting surfaces to reflect the pulse laser; a driver configured to rotate the reflecting mirror; a path control mirror configured to reflect the pulse laser to the reflecting surfaces of the reflecting mirror to form an optical path of the pulse laser; and a receiver configured to receive the light reflected through the reflecting mirror, and convert the received light into an electrical signal, wherein the reflecting mirror comprises: a first reflecting surface; and a second reflecting surface, wherein the first and second reflecting surfaces are connected to each other at one point, the first reflecting surface and the second reflecting surface have different tilt angles from each other, and the first reflecting surface is tilted in the opposite direction of the second reflecting surface.

Abstract: Disclosed is a negative electrode for a lithium-ion secondary battery. The negative electrode includes a negative electrode active material layer, which includes a lower layer portion facing the surface of a current collector and an upper layer portion disposed on the top of the lower layer portion, wherein the upper layer portion includes graphite and silicon oxide as negative electrode active materials, the silicon oxide has a sphericity of 0.4-0.8, and the negative electrode active material layer includes a linear conductive material.

Abstract: Disclosed is a negative electrode active material which includes: a silicon oxide composite including i) Si, ii) a silicon oxide represented by SiOx (0<x?2), and iii) magnesium silicate containing Si and Mg; and a carbon coating layer positioned on the surface of the silicon oxide composite and including a carbonaceous material, wherein X-ray diffractometry of the negative electrode active material shows peaks of Mg2SiO4 and MgSiO3 at the same time and shows no peak of MgO; the ratio of peak intensity, I (Mg2SiO4)/I (MgSiO3), which is intensity I (Mg2SiO4) of peaks that belong to Mg2SiO4 to intensity I (MgSiO3) of peaks that belong to MgSiO3 is smaller than 1, the peaks that belong to Mg2SiO4 are observed at 2?=32.2±0.2°, and the peaks that belong to MgSiO3 are observed at 2?=30.9±0.2°.

Abstract: A polymer composition that is capable of exhibiting a unique combination of ductility (e.g., tensile elongation at break), impact strength (e.g., Charpy notched impact strength), and dimensional stability is provided. For example, the polymer composition may contain a liquid crystalline polymer in combination with an epoxy-functionalized olefin copolymer and an inorganic particulate material.

Abstract: Disclosed are a cathode material for a lithium secondary battery, which improves air exposure stability while having high energy density with a single cathode material, and a method for manufacturing the cathode material. The cathode material includes a Li—[Mn—Ti]—Al—O-based cathode active material and a carbon coating layer including pitch carbon and coated on a surface of the cathode active material.

Abstract: A circuit structure that comprises a substrate and one or more conductive elements disposed on the substrate is provided. The substrate comprises a polymer composition that comprises an electrically conductive filler distributed within a polymer matrix. The polymer matrix contains at least one thermoplastic high performance polymer having a deflection under load of about 40° C. or more as determined in accordance with ISO 75-2:2013 at a load of 1.8 MPa, and the polymer composition exhibits a dielectric constant of about 4 or more and a dissipation factor of about 0.3 or less, as determined at a frequency of 2 GHz.

Abstract: A polymer composition comprising a semiconductive material distributed within a polymer matrix is provided. The semiconductive material includes inorganic particles and an electrically conductive material, the inorganic particles having an average particle size of from about 0.1 to about 100 ?m and an electrical conductivity about 500 ?S/cm or less. The polymer matrix contains at least one thermoplastic high performance polymer having a deflection under load of about 40° C. or more. The polymer composition exhibits a dielectric constant of about 4 or more and a dissipation factor of about 0.3 or less, as determined at a frequency of 2 GHz.

Abstract: A polymer composition that contains an aromatic polymer in combination with a tribological formulation is provided. The polymer composition may exhibit a low degree of surface friction that minimizes the extent to which a skin layer is peeled off during use of a part containing the composition (e.g., in a camera module). For example, the polymer composition may exhibit a dynamic coefficient of friction of about 1.0 or less and/or a wear depth may be about 500 micrometers or less as determined in accordance with VDA 230-206:2007.

Abstract: Provided is a lidar device for a vehicle including an optical transmitter configured to transmit an outgoing optical signal, an optical receiver configured to receive a plurality of return optical signals incident in different directions, at least one temperature sensor configured to identify a temperature of the lidar device, and a processor operatively coupled with the optical transmitter, the optical receiver, and the at least one temperature sensor. The processor is configured to control the optical transmitter to transmit the outgoing optical signal configured to detect an object, receive an object optical signal, reflected by the object, through the optical receiver, identify a temperature of the lidar device through the temperature sensor in response to the identifying of intensity of the object optical signal being less than reference intensity, and adjust a bandpass of an optical filter of the optical receiver based on the temperature of the lidar device.

Abstract: A polymer composition comprising a dielectric material distributed within a polymer matrix is provided. The dielectric material has a volume resistivity of from about 0.1 ohm-cm to about 1 × 1012 ohm-cm. wherein the polymer matrix contains at least one thermotropic liquid crystalline polymer, and further wherein the polymer composition exhibits a dielectric constant of about 4 or more and a dissipation factor of about 0.3 or less, as determined at a frequency of 2 GHz.

Abstract: A negative electrode and a lithium secondary battery including the same. The negative electrode includes a current collector; and a negative electrode active material layer on at least one surface of the current collector. The negative electrode active material layer includes 1) a negative electrode active material including a Mg-containing silicon oxide, a carbon coating layer surrounding the surface of the Mg-containing silicon oxide and a graphene coating layer surrounding the surface of the carbon coating layer, 2) a conductive material including single-walled carbon nanotubes (SWCNTs), and 3) a binder. The graphene has a D/G band intensity ratio of 0.8 to 1.5. The D/G band intensity ratio is defined as an average value of the ratio of the maximum peak intensity of D band at 1360 ± 50 cm-1 based on the maximum peak intensity of G band at 1580 ± 50 cm-1, as determined by Raman spectroscopy of graphene.

Abstract: The present invention relates to a composition for preventing (alleviating) hair loss or promoting hair regrowth, comprising an ingredient for promoting hair regrowth or retarding hair loss. In this regard, in-vitro experiments were conducted in the present invention to verify the effects of promoting the wnt/beta-catenin signaling pathway activity, proliferating dermal papilla cells, and increasing an expression level of beta-catenin protein. Furthermore, the composition was found to have a high effect of preventing hair loss and/or promoting hair regrowth because a better result was obtained as assayed by researchers' evaluation through clinical photography and by phototrichogram after application thereof. In light of such comprehensive outcomes, the composition of the present invention has an excellent effect of preventing hair loss and/or promoting hair regrowth.

Abstract: Provided is a method of preparing a polymer including: supplying a monomer stream and a solvent stream to a reactor and performing a polymerization reaction to prepare a reaction product; supplying a reactor discharge stream to a volatilization device, separating a polymer from a lower portion of the volatilization device, splitting an upper discharge stream including an unreacted monomer, a solvent, and an inert gas into two or more streams, and divisionally supplying the split streams to a plurality of condensers, respectively; condensing and separating the unreacted monomer and the solvent in each of the condensers and supplying a gaseous stream therefrom to a condenser installed at a rear end of each condenser; and supplying a gaseous stream discharged from a condenser installed at the rearmost end to a vacuum unit.

Abstract: An apparatus and method for applying a multi-component curable composition is disclosed. The method for applying a multi-component curable composition includes a) applying a plurality of fluids constituting the multi-component curable composition to a surface of a bonding target object layer by layer, b) acquiring a two-dimensional image of all the fluids applied layer by layer using an image sensor, c) measuring a height of all the fluids applied layer by layer using a distance sensor, and d) calculating a total volume of the multi-component curable composition by using the two-dimensional image and height of the fluids obtained in b) and c).

Abstract: A photothermal distillation membrane including a polydopamine (PDA) coated, polyvinylidene fluoride (PVDF) membrane is disclosed, as well as a process for synthesizing same. A photothermal aerogel membrane including a polydopamine (PDA)-containing bacterial nanocellulose (BNC) is also disclosed, as well as a process for synthesizing same.

Abstract: A negative electrode and a lithium secondary battery including the negative electrode. The negative electrode includes a current collector; and a negative electrode active material layer on at least one surface of the current collector. The negative electrode active material layer includes 1) a negative electrode active material including a plurality of Mg-containing silicon oxide, 2) a conductive material including a plurality of graphene and single-walled carbon nanotubes, and 3) a binder. The single-walled carbon nanotubes interconnect the Mg-containing silicon oxide through a linear contact, and the single-walled carbon nanotubes are interconnected by the graphene. The graphene has a D/G band intensity ratio of 0.8 to 1.5, and is an average value of the ratio of the maximum peak intensity of D band at 1360 ± 50 cm-1 to the maximum peak intensity of G band at 1580 ± 50 cm-1, as determined by Raman spectroscopy of graphene.