Abstract: A method for separating a rare earth metal. The method comprises contacting a solution comprising a rare earth metal with a first column to separate the rare earth metal into light, medium, and/or heavy rare earth metals; and contacting the light, medium, and/or heavy rare earth metals to with the second column to separate the light, medium, and/or heavy rare earth metals into individual rare earth metals. A method for extracting rare earth metals from a solution comprising contacting the rare earth metal with a plurality of resins. A method of extraction rare earth metal and lithium from a dynamic pad and permanent pad.

Abstract: An apparatus includes a processing device coupled to a memory storing instructions. The instructions cause the processing device to receive photoplethysmography (PPG) data derived from signals associated with at least one PPG sensor; receive acoustic data derived from signals associated with at least one audio sensor oriented to sense a heart rate of a human subject; and combine the PPG data and the acoustic data to generate a heart rate estimate.

Abstract: A debris control system for a swimming pool or spa may receive environmental data for the swimming pool or spa, predict debris conditions in the swimming pool or spa based on the received environmental data, and generate a control response based on the predicted debris conditions. A skimming system for a swimming pool or spa may include an actuated weir door. A method of creating a cleaning effect in a swimming pool or spa includes actuating a weir door.

Abstract: Configurable variable-length shift register circuits include a group of flip-flops connected in a serial configuration. The plurality of flip-flops is connected to a serial data-in line and a clock line. Each flip-flop can include a data input, a clock input configured to receive a clock signal from the clock line, and a data output. The plurality of flip-flops can include a serial data-out line. The circuit includes a plurality of multiplexers connected to the plurality of flip-flops to enable a desired number of flip-flops for an application. A nonvolatile memory can be connected to the plurality of multiplexers and configured to receive a register-length indication, where the register-length indication corresponds to a selected number of flip-flops selected for enablement for a given application.

Abstract: The present disclosure overcomes the above-noted and other deficiencies by providing systems and methods for image processing and data analysis that may be utilized for identifying, classifying, researching and analyzing subjects and/or objects including, but not limited to vehicles, vehicle parts, vehicle artifacts, cultural artifacts, geographical locations, etc. To identify all of the subjects and/or objects in a photo, alone or in combination with a geographical location and/or a cultural heritage subject and/or object, and then to associate a narrative with them represents a unique challenge.

Abstract: A method includes generating, by a transmit digital to analog circuit of a low voltage drive circuit (LVDC), analog outbound data. The analog outbound data includes a direct current (DC) component and an oscillating component at a first frequency. The method further includes generating, by an analog transmit encryption signal generator of a transmit encrypt module of the LVDC, an analog transmit encryption signal having at least one frequency component, multiplying, by a mixer of the transmit encrypt module, the analog outbound data with the analog transmit encryption signal to produce an encrypted transmit signal having frequency components that differ from the first frequency. The method further includes generating, by a power source circuit of a drive-sense circuit of the LVDC, the encrypted analog outbound data as an analog transmit signal of a bus signal based on analog inbound data.

Abstract: The present disclosure provides an electrochemical cell that cycles lithium ions. The electrochemical cell includes a first electrode, a second electrode, and a separating layer disposed between the first electrode and the second electrode. The first electrode includes an electrolyte intermingled with a nickel-rich positive electroactive material. The second electrode also includes the electrolyte, and the electrolyte is intermingled a silicon-based negative electroactive material. The electrolyte includes an electrolyte additive and a solvent mixture. The solvent mixture includes vinylene carbonate, fluoroethylene carbonate, ethylene carbonate, and dimethyl carbonate. The electrolyte additive is selected from the group consisting of: lithium difluorophosphate, ethylene sulfate, and combinations thereof.

Abstract: A first base station receives, from a second base station, cell configuration parameters of one or more cells of the second base station, the cell configuration parameters indicating at least one first information element (IE) indicating a first identifier of a first cell of the one or more cells, at least one second IE indicating that the first cell is an unlicensed cell, and at least one third IE indicating a radio frequency channel number of the unlicensed cell. The first base station sends, to the second base station, a request message for adding the second base station as a secondary base station for a wireless device after receiving the cell configuration parameters.

Abstract: A modular space frame support system comprises an upper frame comprising a plurality of joists interconnected with a plurality of interconnection structures; a lower frame comprising a plurality of joists or chords interconnected with a plurality of interconnection structures; at least two interconnection structure brackets, wherein a first of the at least two interconnection structure brackets is connected to one of the plurality of interconnection structures of the upper frame and a second of the at least two interconnection structure brackets is connected to one of the plurality of interconnection structures of the lower frame, each interconnection structure bracket comprising a hollow tubular section, and at least one chord-engaging structure; and at least one chord secured at a first end to the first of the at least two interconnection structure brackets and at a second end to the second of the at least two interconnection structure brackets.

Abstract: A drywall trim for protecting drywall can include a metal body having a seam with a longitudinal axis. The metal body can include wings or planar portions that extend from the seam in transverse directions relative to the longitudinal axis. The planar portions can be formed at an angle relative to each other. At least one of the planar portions can have an outer edge that is not parallel to the seam. Paper can be bonded to the metal body.

Abstract: Aqueous well treatment fluids especially suited for use in far field diversion in low viscosity carrier fluids comprise water, a friction reducer, and a diverter. The diverter comprises dissolvable particulates and proppants. The dissolvable particulates have a specific gravity of from about 0.9 to about 1.6 and a particle size of about 50 mesh or less. The proppants have a specific gravity of from about 0.9 to about 1.4 and a particle size of from about 20 to about 100 mesh. The dissolvable particulates have a higher specific gravity and a smaller particle size than the proppant.

Abstract: A motorized window treatment may include a roller tube, a flexible material, a motor drive unit, and mounting brackets. The roller tube may be configured to rotate about a longitudinal axis that defines a longitudinal direction to operate the flexible material between a raised position and a lowered position. The motor drive unit may include a housing that defines a cavity that receives a motor and one or more batteries for powering the motor drive unit. The motor drive unit may include a printed circuit board to which a control circuit is mounted. The control circuit may comprise a switch. The motor drive unit may comprise an actuation member configured to transfer a first force applied in a first direction at an end portion of the motor drive unit to a second force in a second direction within the cavity of the housing to actuate the switch.

Abstract: A diagnostic system to aid in diagnosing conditions underneath a subject's skin that predict intravascular device failure is provided. The diagnostic system includes an ultrasound unit that uses ultrasonic energy to obtain images underneath the subject's skin surrounding the insertion site of an intravascular device. The ultrasound unit is in electronic communication with a computing device that collects and stores data generated by the ultrasound unit. The computing device utilizes machine learning or artificial intelligence techniques to identify conditions underneath the subject's skin that predict intravascular device failure, and through a user interface, indicates to the user that subcutaneous conditions predictive of intravascular device failure are present.

Abstract: Described are methods of field conditioning and preserving pollen and/or anthers from the Poaceae family of plants. A method of the present invention includes collecting fresh pollen and/or anthers and introducing the pollen and/or anthers to field conditioning conditions which regulate pollen moisture content. The field conditioning conditions may include an air flow at a humidity ranging from 50% to about 100% and a temperature ranging from about ?10 to about 10° C. The field conditioning conditions and preservation conditions may further include a flow of one or more continuously refreshed, selected gases passing through pollen held on a permeable or impermeable surface. The field conditioning conditions may dehydrate the pollen to achieve a pollen moisture content of about 15% to about 35%. The preservation conditions may dehydrate the pollen to achieve a pollen moisture content of about 40% to about 58%.

Abstract: Systems and methods for measuring autonomous vehicle (AV) capabilities in a simulation environment are provided. A method includes selecting, by a computer-implemented system, a first plurality of sampling points in an N-dimensional parameter space associated with a vehicle capability test, classifying, by the computer-implemented system, each sampling point of the first plurality of sampling points into a first class based on a vehicle passing a test scenario associated with the respective sampling point; or a second class based on the vehicle failing the test scenario associated with the respective sampling point; and determining, by the computer-implemented system based on the classifying, a capability of the vehicle. The classifying can include computing a first hyperplane in the N-dimensional parameter space to separate the first plurality of sampling points into the first class and the second class.

Abstract: Some embodiments relate to methods, systems, and devices for a provider of government-subsidized connectivity services (such as subsidized broadband connectivity; e.g., high-speed internet access) to automatically monitor the status of its subscribers in the government-subsidized connectivity services program, and to automatically and selectively re-enroll subscribers to receive the government-subsidized connectivity services through the provider in the event that the monitored status indicates that the subscriber is no longer enrolled to receive the government-subsidized connectivity services from the provider, such as if the subscriber has been de-enrolled from the government-subsidized connectivity service program, or if the subscriber has been transferred to a different provider of the government-subsidized connectivity service.

Abstract: Plant growth compositions include a solvent composition and an active component composition. The solvent composition includes 1-methoxy-2-propanol, glyceryl triacetate, methyl isobutyl ketone, 2-bytoxy ethanol, ethyl acetate, butyl lactate, lactic acid and/or n-butyl pyrrolidone. The active component combination is formulated to increase the growth of a plant, and includes an auxin, a gibberellin, a cytokinin, or a combination thereof. The solvent composition excludes butanol and/or citric acid. The boiling point of the solvent composition is at least about 100° C. and less than about 180° C. The solvent composition is compatible with Rhizobia. A method of improving plant growth involves applying the plant growth composition to plant seeds, which may include soybean seeds, corn seeds, wheat seeds, barley seeds, alfalfa seeds, or combinations thereof, and growing the nascent plants to maturity.

Abstract: No added formaldehyde (NAF) compositions and composite products are provided. Geopolymer-based compositions, composite products with improved fire retardant properties and methods of making and using the same are also provided.

Abstract: Low carbon dioxide-emitting processes and systems for steam cracking hydrocarbons to produce products such as ethylene are described. The processes and systems involve cracking the feed in a furnace that is configured to burn a hydrogen-rich fuel, which produces less carbon dioxide than methane, which is typically used as fuel for such furnaces. The hydrogen-rich stream can be isolated and recycled from the cracker tail gas.

Abstract: Systems and methods for slot scheduling may include a first wireless communication device that generates an information element (IE) for scheduling slots for one or more functionalities of a plurality of functionalities, for ultra-wideband (UWB) transmissions between the first wireless communication device and a second wireless communication device. The IE may include, for each respective functionality of the one or more functionalities, a corresponding scheduling list element defining slot scheduling for the respective functionality. The first wireless communication device may transmit the IE to the second wireless communication device.