Abstract: In some implementations, a device may receive a request to obtain a set of data attributes. The device may generate one or more hierarchical lists for respective data attributes included in the set of data attributes. The device may identify an anchor hierarchical list, from the one or more hierarchical lists, that is associated with a highest order among the one or more hierarchical lists. The device may generate a first query to a first data source indicated by a first data attribute in a top position of the anchor hierarchical list, wherein the first query requests a first one or more data attributes including the first data attribute and any other data attributes, associated with the first data source, that are in top positions of respective hierarchical lists of the one or more hierarchical lists. The device may transmit, to the first data source, the first query.

Abstract: In some implementations, a device may receive a request associated with a data value in a data cache. The device may determine, based on the request, that the data value is stored in the data cache, wherein the data value is stored via a data structure in the data cache. The device may determine, based on the data value being stored in the data cache, a status associated with the data value, wherein the status is indicated via the data structure. The device may perform one or more actions in response to the request, wherein the one or more actions are based on the status.

Abstract: A drug delivery implant may include an implant body and a core comprising a pharmaceutical agent. The core can be located within the implant body that extends longitudinally and circumferentially around the core. The implant body can also define an aperture that exposes a first surface of the core. A method for treating a mammal to obtain a desired physiological or pharmacological effect by injecting such a drug delivery implant into a mammal in need of treatment is also disclosed.

Abstract: Formulations and intravitreal implants containing nintedanib can be used in methods for the treatment of back-of-the-eye diseases.

Abstract: A near field transducer (NFT) having improved reliability is disclosed. In some embodiments, a NFT includes a resonator body layer having a front side at a first plane that is recessed a first distance from an air bearing surface (ABS), and a peg layer that is a single layer made of a noble metal or alloy thereof. The peg layer includes a peg portion or peg with a front side at the ABS, a back side at the first plane, and two sides aligned orthogonal to the ABS and separated by the first cross-track width. The peg portion or the peg having a single peg grain with or without a desired (111) orientation through laser self-annealing process.

Abstract: Methods, systems, and storage media for the online scheduling of sessions or appointments from within a networking platform are disclosed. Exemplary implementations may: receive an image or video including a tag identifying a provider or a service of a provider; cause display of the image/video in a feed, story, or reel associated with a user of the networking platform; receive a selection of the tag; in response to the tag selection, cause display of information associated with the provider, the information including a selectable session request indicator; receive a request to engage in a session(s) with the provider (via user selection of the session request indicator); receive detail(s) associated with the engagement request; receive an indication that the request is complete; and send, via a networking-platform-specific communication application, a communication to the user informing the user of request approval or rejection, or indicating the request is pending.

Abstract: In the position sensorless control method in low-speed region of the fault-tolerant permanent magnet motor system based on the envelope detection and the non-orthogonal phase-locked loop of the present disclosure, the position sensorless control of the motor is implemented by injecting the high-frequency voltage signals into any two non-faulty phase windings of the motor, extracting the high-frequency response currents of the high-frequency injected phases by the digital bandpass filter, calculating the differential mode inductances of the two phase windings through the envelope detecting and signal processing, and extracting the rotor position and rotational speed signals from the estimated two phase inductances through the non-orthogonal phase-locked loop. In addition, the controller of the present disclosure is small in size, high in accuracy, and high in reliability, which can effectively meet the performance requirements of the onboard electric actuators.

Abstract: This invention relates to a bioerodible drug delivery device that can be implanted in a patient at or near an area in need of treatment. The bioerodible drug delivery device can be used to deliver a wide variety of different pharmaceutically active agents, and can do so at a controlled rate and over an extended period of time. The bioerodible drug delivery device includes a bioerodible polymeric outer housing with one or more delivery ports for delivering the pharmaceutically active agent(s) contained therein. The polymer used as the bioerodible polymeric outer housing is not substantially degraded during the dosing of the pharmaceutically active agent(s) in the bioerodible drug delivery device. The invention also provides methods of making the bioerodible drug delivery device and using it for the treatment of diseases and disorders.

Abstract: An electrode of a chemical cell includes a substrate having a surface, an array of conductive projections supported by the substrate and extending outward from the surface of the substrate, each conductive projection of the array of conductive projections having a semiconductor composition for catalytic conversion of carbon dioxide (CO2) in the chemical cell, and a plurality of nanoparticles disposed over the array of nanowires, each nanoparticle of the plurality of nanoparticles having a metallic composition for the catalytic conversion of CO2 in the chemical cell. Each nanoparticle of the plurality of nanoparticles has a size at least an order of magnitude smaller than a lateral dimension of each conductive projection of the array of conductive projections.

Abstract: This invention relates to a bioerodible drug delivery device that can be implanted in a patient at or near an area in need of treatment. The bioerodible drug delivery device can be used to deliver a wide variety of different pharmaceutically active agents, and can do so at a controlled rate and over an extended period of time. The bioerodible drug delivery device includes a bioerodible polymeric outer housing with one or more delivery ports for delivering the pharmaceutically active agent(s) contained therein. The polymer used as the bioerodible polymeric outer housing is not substantially degraded during the dosing of the pharmaceutically active agent(s) in the bioerodible drug delivery device. The invention also provides methods of making the bioerodible drug delivery device and using it for the treatment of diseases and disorders.

Abstract: A method for synchronous control of a gantry mechanism with online inertia matching is applicable to a machine tool equipped with a gantry mechanism. The gantry mechanism includes two rails, a crossbeam and a saddle, in which the saddle is disposed on the crossbeam, and the crossbeam is disposed by crossing the two rails. Each of the two rails is furnished with a driving apparatus for synchronously driving the crossbeam, and the driving apparatus includes a drive motor and a lead screw. This method includes the steps of: obtaining gantry-mechanism information; detecting position information of the saddle on the crossbeam; evaluating the position information and the gantry-mechanism information to derive load-inertia variety information; and, evaluating the load-inertia variety information to adjust torque-output information of the drive motor corresponding to the respective driving apparatus.

Abstract: A metal-oxide-semiconductor field-effect transistor (MOSFET) device is provided. The device comprising: a substrate; an oxide layer on the substrate; a gate on the oxide layer; a source and a drain on the substrate, wherein the source and the drain are doped with a dopant of a first type; and a cold source coupled to the source, wherein the cold source comprises a junction between a semiconductor doped with a dopant of a second type, and a material selected from the group consisting of metal and semimetal.

Abstract: This invention relates to a bioerodible drug delivery device that can be implanted in a patient at or near an area in need of treatment. The bioerodible drug delivery device can be used to deliver a wide variety of different pharmaceutically active agents, and can do so at a controlled rate and over an extended period of time. The bioerodible drug delivery device includes a bioerodible polymeric outer housing with one or more delivery ports for delivering the pharmaceutically active agent(s) contained therein. The polymer used as the bioerodible polymeric outer housing is not substantially degraded during the dosing of the pharmaceutically active agent(s) in the bioerodible drug delivery device. The invention also provides methods of making the bioerodible drug delivery device and using it for the treatment of diseases and disorders.

Abstract: In the position sensorless control method in low-speed region of the fault-tolerant permanent magnet motor system based on the envelope detection and the non-orthogonal phase-locked loop of the present disclosure, the position sensorless control of the motor is implemented by injecting the high-frequency voltage signals into any two non-faulty phase windings of the motor, extracting the high-frequency response currents of the high-frequency injected phases by the digital bandpass filter, calculating the differential mode inductances of the two phase windings through the envelope detecting and signal processing, and extracting the rotor position and rotational speed signals from the estimated two phase inductances through the non-orthogonal phase-locked loop. In addition, the controller of the present disclosure is small in size, high in accuracy, and high in reliability, which can effectively meet the performance requirements of the onboard electric actuators.

Abstract: A metal-oxide-semiconductor field-effect transistor (MOSFET) device is provided. The device comprising: a substrate; an oxide layer on the substrate; a gate on the oxide layer; a source and a drain on the substrate, wherein the source and the drain are doped with a dopant of a first type; and a cold source coupled to the source, wherein the cold source comprises a junction between a semiconductor doped with a dopant of a second type, and a material selected from the group consisting of metal and semimetal.

Abstract: A method for synchronous control of a gantry mechanism with online inertia matching is applicable to a machine tool equipped with a gantry mechanism. The gantry mechanism includes two rails, a crossbeam and a saddle, in which the saddle is disposed on the crossbeam, and the crossbeam is disposed by crossing the two rails. Each of the two rails is furnished with a driving apparatus for synchronously driving the crossbeam, and the driving apparatus includes a drive motor and a lead screw. This method includes the steps of: obtaining gantry-mechanism information; detecting position information of the saddle on the crossbeam; evaluating the position information and the gantry-mechanism information to derive load-inertia variety information; and, evaluating the load-inertia variety information to adjust torque-output information of the drive motor corresponding to the respective driving apparatus.

Abstract: An electric compressor and a refrigeration device having the same are provided. The electric compressor includes: an electric motor having a stator and a rotor; a compressing mechanism having an eccentric shaft rotatably and slidably connected to the rotor and defining a compressing chamber therein, the compressing chamber being configured to perform a compression by the eccentric shaft; and a torque damping device configured to connect the rotor with the eccentric shaft, in which during the compression of the compressing chamber, a difference between a rotation angle of the eccentric shaft and a rotation angle of the rotor is a phase angle which is increased and decreased.

Abstract: A refrigeration cycle device includes at least a condenser, an expansion valve, an evaporator and a plurality of compressors, a sealed casing of each of the compressors is disposed with a rotary compression mechanism part in communication with a low-pressure path and a motor part configured to drive the compression mechanism part, the low-pressure path is in communication with the evaporator, each of the compressors is further provided with an oil storage cavity, and a gas discharge path of at least one compressor is connected with the sealed casing of another compressor.

Abstract: A low-backpressure rotary compressor includes a shell, a compression mechanism, an oil separator for separating oil and gas from a refrigerant discharged from the cylinder, and an oil pool for collecting a lubricating oil separated by the oil separator. The compression mechanism includes a cylinder assembly, a piston, a sliding vane, main and supplementary bearings. The cylinder has a sliding vane chamber which has an oil supply hole, and a trailing end of the sliding vane stretches into or out of the sliding vane chamber when the sliding vane moves reciprocatingly, such that an interior volume of the sliding vane chamber changes between a maximum volume V2 and a minimum volume V1. The oil pool communicates with the oil supply hole via an oil supply path for the sliding vane, and a ratio of the minimum volume V1 to the maximum volume V2 satisfies the following relationship: 35%?V1/V2?85%.

Abstract: A compression device includes an air cylinder (31); an upper bearing (4) and a lower bearing (5); a piston (71) which defines a working space; a first slide vane (81) and a second slide vane (82) which separate the working space into a first and a second working chamber; a first air suction port (101) and a second air suction port (102) both of which are in communication with the working space; and a first air discharge port (91) and a second air discharge port (92) both of which are in communication with the working space. The first and the second air suction port satisfy the following condition: 0.25?(V1/S1)*(S2/V2)?4, where VI and V2 are respectively the maximum volume of the first and the second working chamber, and S1 and S2 are respectively the opening area of the first and the second air suction port.