Abstract: A system including a plurality of air vents, wherein the plurality of air vents are installed at a section of a room; a plurality of air ducts, in which at least one of the plurality of air ducts is configured to pump air into the room in conjunction with an HVAC system; a plurality of suction pumps, wherein the plurality of suction pumps are configured to suck air; a plurality of exhaust pipes connected to the plurality of suction pumps; a master suction pump, wherein the master suction pump is configured to receive the air sucked in by the plurality of suction pumps; an air filter device, wherein the air filter device is configured to disinfect the air received by the plurality of suction pumps.

Abstract: A continuous optical beat laser element for generating terahertz (THz) waves and a laser source using same includes periodically poled lithium niobate (ppLN) crystals arranged along a predetermined direction forming a surface generally parallel to the predetermined direction. A Ti diffused region is applied on the surface and an array of gold nanowires are applied on the Ti diffused region to form a gold metal-insulator-metal (MIM) element that optimizes coupling and channeling of THz radiation from the crystals into the gold nanowires. The system provides a simple, stable, compact and cost-effective THz source using a widely tunable C-band SOA-based laser to excite a non-linear photo-mixer to produce terahertz radiation that ranges from 0.8 to 2.51 THz at room temperature. This laser source can be modified into an all fiber-based THz generator by embedding ppLN crystals in a fiber filament configuration resulting in less absorption and producing high output power.

Abstract: Systems and methods are disclosed herein that relate to performing a cell change to a target cell that is subject to Clear Channel Assessment (CCA). In one embodiment, a method performed by a wireless device for cell change to a cell that is subject to CCA comprises obtaining one or more cell change configurations that are related to CCA failures when performing a cell change to a target cell subject to CCA and performing a cell change to a desired target cell subject to CCA. Performing the cell change comprises performing the cell change based on the one or more cell change configurations. Corresponding embodiments of a wireless device are also disclosed. Embodiments of a method performed by a network node and corresponding embodiments of a network node are also disclosed.

Abstract: A noble metal-free water oxidation electrocatalyst can be stable and obtained from earth-abundant materials, e.g., using copper-colloidal nanoparticles. The catalyst may contain nanobead and nanorod morphological features with narrow size distribution. The onset for oxygen evolution reaction can occur at a potential of 1.45 VRHE (?=220 mV). Such catalysts may be stable during long-term water electrolysis and/or exhibit a high electroactive area, e.g., with a Tafel slope of 52 mV/dec, TOF of 0.81 s?1, and/or mass activity of 87 mA/mg. The copper may also perform CO2 reduction at the cathode side. The Cu-based electrocatalytic system may provide a flexible catalyst for electrooxidation of water and for chemical energy conversion, without requiring Pt, Ir, or Ru.

Abstract: Described herein is aerobic granular sludge gravity-driven membrane system, methods of making and using thereof are described. The aerobic granular sludge (AGS) integrated with a gravity-driven membrane (GDM) filtration system is an energy efficient wastewater treatment system that takes advantage of AGS reactor systems integrated with gravity-driven membrane system to reduce membrane fouling and produce microbiologically and chemically safe water. The AGS-GDM system includes at least an AGS reactor tank containing raw wastewater and granular sludge and a membrane tank including one or more gravity-driven membrane(s).

Abstract: Human embryonic stem cell (hESC)- and induced pluripotent stem cell (iPSC)-derived clinical-grade corneal endothelial cells (CECs) generation and cryopreservation through the neural crest cell (NCC) lineage using peripheral blood as a donor source and hESCs maximizes the availability of these vital cells for treating the corneal endothelial disease as an alternative to donor corneas for corneal endothelium (CE) transplantations and other applications.

Abstract: A display apparatus for displaying an image includes a semitransparent carrier element, and a film provided on the semitransparent carrier element for at least regionally displaying the image. The film incorporates electrical components of the display apparatus. Further, the display apparatus can be included in a motor vehicle.

Abstract: The diode laser comprises a laser bar having a semiconductor body and an active layer, wherein the laser bar has a plurality of individual emitters. At least some individual emitters are respectively assigned a section of the semiconductor body and a current regulating element's connected in series therewith, such that, during operation of the individual emitters as intended, an electrical operating current I0 fed to the individual emitter in each case flows completely through the assigned section of the semiconductor body and in the process a voltage drop UH occurs at the section and at least part of said operating current I0 flows through the assigned current regulating element and experiences an electrical resistance RS in the process. In the case of the individual emitters, the current regulating element assigned in each case is configured such that the resistance Rg at an operating temperature T0 has a positive temperature coefficient dRS/dT|T0.

Abstract: In one embodiment, the invention relates to a semiconductor laser comprising a semiconductor layer sequence for generating laser radiation. According to the invention, the semiconductor layer sequence has a geometric structuring on a top side. A resonator is located in the semiconductor layer sequence and is delimited by opposing facets, wherein the facets contain optically active resonator end faces. The structuring ends spaced apart from the facets. The resonator end faces are spaced apart from material removals from the semiconductor layer sequence.

Abstract: A force-absorbing barrier includes a plurality of chambers at least partially filled with fluid. The walls defining the chambers are flexible. Fluid passages in the interior walls between chambers allow fluid flow between the chambers. Alternatively, the chambers are filled with structures instead of or in addition to a fluid. The fluid flow from chamber to chamber and/or the deformation of the structures will absorb energy from the impact a motor vehicle, preventing the vehicle from impacting the terminal of a guardrail.

Abstract: The present disclosure provides a flexible container. In an embodiment, the flexible container include (A) a front panel, a rear panel, a first gusseted side panel, and a second gusseted side panel. The gusseted side panels adjoin the front panel and the rear panel along peripheral seals to from a chamber. (B) Each peripheral seal has (i) an arcuate body seal inner edge (ABSIE) with opposing ends, (ii) a tapered seal inner edge (TSIE) extending from each end of the body seal. (C) The flexible container includes at least one ABSIE having a radius of curvature, Rc, from 1.0 mm to 300.0 mm.

Abstract: In one embodiment, the semiconductor laser (1) comprises a semiconductor layer sequence (2) based on the material system AlInGaN with at least one active zone (22) for generating laser radiation. A heat sink (3) is thermally connected to the semiconductor layer sequence (2) and has a thermal resistance towards the semiconductor layer sequence (2). The semiconductor layer sequence (2) is divided into a plurality of emitter strips (4) and each emitter strip (4) has a width (b) of at most 0.3 mm in the direction perpendicular to a beam direction (R). The emitter strips (4) are arranged with a filling factor (FF) of less than or equal to 0.4. The filling factor (FF) is set such that laser radiation having a maximum optical output power (P) can be generated during operation.

Abstract: The present disclosure provides a flexible container. In an embodiment, the flexible container includes (A) a front panel, a rear panel, a first gusseted side panel, and a second gusseted side panel. The gusseted side panels adjoin the front panel and the rear panel along peripheral seals to form a chamber. (B) Each peripheral seal has (i) a body seal inner edge (BSIE) with a bottom end and an opposing top end, (ii) a bottom tapered seal inner edge (b-TSIE) extending from the BSIE bottom end, and (iii) a top tapered seal inner edge (t-TSIE) extending from the BSIE top end. (C) The t-TSIE has a length that is at least 1.1 times greater than the length of the BSIE (in mm).

Abstract: A system receives vehicle metric data from a gateway device connected to a vehicle. The vehicle gateway device gathers data related to operation of the vehicle and/or location data. The system receives data from multiple vehicles and multiple fleets. The system uses machine learning to identify cohorts for fleets. The system calculates metrics for fleets and benchmarks for the cohorts. The system presents the metrics and benchmarks in a graphical user interface.

Abstract: An improved system and method of determining presence of stop signs at intersection based on multiple types of data including ground truth data, telemetry data, and/or trip stills gathered from vehicle devices. The data may be analyzed and aggregated by one or more models and/or neural networks to develop a prediction regarding presence of stop signs at individual intersections.

Abstract: A wireless device (14) is configured to receive an activation command (16) that commands the wireless device (14) to activate a serving cell (18B). The wireless device (14) is configured to activate the serving cell (18B) within a maximum delay (20) since receiving the activation command (16). The maximum delay (20) depends on whether there is at least one other serving cell (18A) already activated for the wireless device (14) in the same frequency band (24) as that in which the serving cell (18B) is to be activated.

Abstract: A hydrodynamic thrust bearing pad includes a composite laminate including at least one ply including a plurality of fibers oriented in at least one direction, and a bearing surface configured to confront a rotating thrust surface of a rotating shaft for transmitting axial thrust loads from the rotating shaft to the composite laminate. The bearing pad also includes a support surface configured to confront a stationary surface of a stationary housing for transmitting the axial thrust loads from the composite laminate to the stationary housing, and at least one side surface extending between the bearing and support surfaces. The at least one ply is configured to expand non-uniformly when heated from a first temperature to a second temperature for causing the composite laminate to warp from an unstressed state to a stressed state.

Abstract: A positioning node determines a muting configuration used by one or more base stations for controlling muting of positioning reference signals. The positioning reference signals are transmitted at recurring positioning occasions from the one or more base stations to radio equipment in a wireless communication network. The muting configuration is determined from signaling received from the one or more base stations. The positioning node sends the muting configuration information as higher-layer signaling for receipt by the radio equipment receiving the positioning reference signals. The muting configuration information includes a muting occasion parameter indicating positioning occasions to which muting applies, and each of the positioning occasions comprise two or more consecutive subframes that repeat at a predetermined periodicity.

Abstract: A force-absorbing barrier 10 includes a plurality of concentric chambers 21, 23, 25 and 27 at least partially filled with fluid 42. The walls 22, 24, 26 and 28 defining the chambers are flexible. Fluid passages 30 in the interior walls 24, 26 and 28 between chambers allow fluid flow between the chambers. The fluid flow from chamber to chamber will absorb energy from the impact a motor vehicle, preventing the vehicle from impacting the terminal of a guardrail.

Abstract: A semiconductor laser (1) is provided that includes a semiconductor layer sequence in which an active zone for generating laser radiation is located. A ridge waveguide is formed as an elevation from the semiconductor layer sequence. An electrical contact layer is located directly on the ridge waveguide. A metallic electrical connection region is located directly on the contact layer and is configured for external electrical connection of the semiconductor laser. A metallic breakage coating extends directly to facets of the semiconductor layer sequence and is arranged on the ridge waveguide. The breakage coating is electrically functionless and includes a lower speed of sound for a breaking wave than the semiconductor layer sequence in the region of the ridge waveguide.