Abstract: In certain aspects, a memory device includes an array of memory cells, word lines respectively coupled to rows of the memory cells, and a peripheral circuit coupled to the array of memory cells through the word lines. The peripheral circuit is configured to apply a read voltage to a select word line of the word lines, and discharge the select word line from a voltage greater than the read voltage to a first recovery voltage that is greater than a supply voltage. The discharging of the select word line stops when a voltage of the select word line reaches the first recovery voltage.

Abstract: The application relates to a robot machining system and control method for ultrasonic surface rolling process of an aircraft engine blade. The robot machining system includes: a robot, to which an ultrasonic surface rolling process device is fixed, the robot drives the ultrasonic surface rolling process device to move; a base provided with a spindle turntable and a three-dimensional mobile lifting device, the spindle turntable being provided with a rotatable blade clamp, and a flexible follow-up support head being fixed to the three-dimensional mobile lifting device; and a control system, which is in electrical connection or communication connection with the robot, the spindle turntable and the three-dimensional mobile lifting device, respectively.

Abstract: Disclosed is a welding system configured to perform additive manufacturing, particularly a welding system to achieve a stable a laser metal deposition with hot wire process by controlling the contact point between the welding wire and the workpiece. For example, the resistance of the stick-out wire is measured and the measured resistance is converted to a distance signal, which can then be used for comparison to a desired distance. The distance between the contact tip and the workpiece can then be adjusted based on the comparison. The present disclosure also relates to using a constant enthalpy system to determine and control the contact tip to workpiece distance.

Abstract: A pemetrexed disodium liquid composition, a preparation method therefor and use thereof are provided. The pemetrexed disodium liquid composition contains an active pharmaceutical ingredient and a stabilizer. The active pharmaceutical ingredient is one or more of pemetrexed disodium, and a pharmaceutically acceptable complex, a salt, a solvate and a hydrate of pemetrexed disodium. The stabilizer is one or more of an organic solvent, a pH regulator and an antioxidant.

Abstract: The present disclosure discloses a fluorine-containing resin composition, including the following as raw materials, in parts by weight: a alkali-soluble resin (A) containing a compound (I), a photoinitiator, a sensitizer, a reactive diluent, a solvent and an assistant; the structural formula of the monomer of the compound (I) is shown as follows: wherein R is selected from the group consisting of —CH?CH2, —C(CH3)?CH2, acryloyl and methacryloyl; R1, R1?, R2, and R2? are each independently selected from the group consisting of hydrogen, hydroxyl, C1-C4 alkyl and C1-C4 alkoxy; R3 is selected from the group consisting of hydrogen and C1-C6 alkyl; the A ring is selected from the group consisting of cyclohexyl and phenyl; and the B ring is selected from the group consisting of phenyl, naphthyl and anthryl.

Abstract: Disclosed are systems and methods to facilitate arc initiation and arc stabilization in gas tungsten arc welding (GTAW) operations. In particular, a GTAW system employs a laser system to generate a laser beam and control the laser beam on a focal point over the workpiece to heat the workpiece at a hotspot. This generates a metal plasma from a material of the workpiece, allowing power from the GTAW tool to create and/or sustain an arc via the metal plasma between the electrode and the workpiece.

Abstract: In certain aspects, a memory device includes an array of memory cells, word lines respectively coupled to rows of the memory cells, and a peripheral circuit coupled to the array of memory cells through the word lines and configured to read a select row of the rows of the memory cells. The peripheral circuit includes a word line driver coupled to the select row through a select word line of the word lines and to an unselect row of the rows of the memory cells through an unselect word line of the word lines, and configured to apply a pass voltage to the unselect word line, and discharge the unselect word line from the pass voltage to a first recovery voltage that is greater than a supply voltage of the array of memory cells.

Abstract: The present disclosure relates generally to roofing products, for example, suitable for use covering and protecting the roofs of structures. The present disclosure relates more particularly to a roofing product including an upper section and an exposed section. The roofing product includes a substrate having a top surface and a bottom surface, and a plurality of zones of roofing granules disposed on the top surface of the substrate. The plurality of zones includes first, second and third zones within the exposed section. The first zone includes a first collection of algae-resistant roofing granules and has a first algae-resistance intensity. The second zone includes a second collection of algae-resistant roofing granules and has a second algae-resistance intensity. The third zone has a third algae-resistance intensity that is different from the first algae-resistance intensity.

Abstract: A measuring system includes a first chamber, a sound sensing device, a sound source and a top cover. A first cavity exists inside the first chamber. The sound sensing device is configured to sense a sound in the first cavity. The sound source is configured to generate a sound wave propagating towards the first cavity. The top cover is disposed on the first chamber. The measuring system is configured to measure a degree of opening of a vent formed by a venting device. The venting device is disposed between the first chamber and the top cover and connected to the first cavity of the first chamber for being measured the degree of opening, the first cavity of the first chamber is between the venting device and the sound sensing device, and the degree of opening is obtained according to a result generated by the sound sensing device.

Abstract: A method and apparatus for controlling arc/short between a wire and a work piece is described. A current path parallel to the wire/work is provided. The voltage drop across the parallel path can be preset, to limit the wire/work voltage, or it can be controlled to a desired level. The control can be in response to feedback.

Abstract: A laser processing head includes first and second contact points connected to a power source. The power source generates a current to flow through an electrode wire between the first and second contact points to heat the electrode wire. A laser source generates one or more laser beams having lasing power sufficient to at least partially melt the electrode wire. A coaxial laser head focuses the one or more laser beams at one or more focal points on a workpiece to at least partially melt the electrode wire.

Abstract: Provided are a humanized anti-A? monoclonal antibody and use thereof. The humanized anti-A? monoclonal antibody provided can inhibit the polymerization of A? monomers, protect nerve cells from the toxicity of A?, and have a certain effect on improving the cognitive learning and memory ability of Alzheimer's dementia model mice, and can be used for the treatment and diagnosis of diseases and disorders related to amyloidosis, such as Alzheimer's disease.

Abstract: A welding or cladding apparatus in which one or more energy beam emitters are used to generate a wide beam spot transverse to a welding or cladding path, and one or more wide feeders feed wire to the spot to create a wide welding or cladding puddle.

Abstract: Provided are a monoclonal antibody binding to human CD38, an antigen-binding fragment thereof, a pharmaceutical composition comprising the same, and use thereof in the treatment of a CD38-positive cancer.

Abstract: Shared memory management methods and apparatuses are provided. In an implementation, an apparatus comprises a virtual machine monitor, a virtual machine, and a trusted execution environment (TEE). The virtual machine monitor is configured to determine, based on the address information, whether a first address is comprised in the shared memory when a page fault occurs in response to the trusted part requests to access the first address, and in response to determining that the first address is comprised in the shared memory, send an interrupt notification to the virtual machine. The virtual machine is configured to: in response to the interrupt notification and determining, based on the address information, that the first address is comprised in the shared memory, validate a first page table entry in the first page table, and return a response message to the virtual machine monitor, wherein the first page table entry comprises address mapping information of a first page that comprises the first address.

Abstract: For managing a translation lookaside buffer (TLB), an example computing device is deployed with virtual machines (VMs) by using a virtual machine monitor and has multiple CPU cores, where the VMs include a common VM running a common execution environment and a secure VM running a trusted execution environment (TEE) instance. In an example, in response to a target request for modifying a secure memory, the common execution environment sends an inter-processor interrupt (IPI) to one or more CPU cores that run the secure VM. Control data corresponding to the secure VM include a TLB control field set to a target value that indicates that all TLBs of the VM are flushed when exiting from the secure VM. In response to the IPI, the one or more CPU cores exit from a secure mode, and flushes all TLBs of the VM based on the target value.

Abstract: The present disclosure relates generally to roofing products, for example, suitable for use covering and protecting the roofs of structures. The present disclosure relates more particularly to a roofing product including an upper section and an exposed section. The roofing product includes a substrate having a top surface and a bottom surface, and a plurality of zones of roofing granules disposed on the top surface of the substrate. The plurality of zones includes first, second and third zones within the exposed section. The first zone includes a first collection of algae-resistant roofing granules and has a first algae-resistance intensity. The second zone includes a second collection of algae-resistant roofing granules and has a second algae-resistance intensity. The third zone has a third algae-resistance intensity that is different from the first algae-resistance intensity.

Abstract: A double-sided ultrasonic rolling cooperative strengthening system and a control method thereof are provided. The system includes a first mechanical arm subsystem, a second mechanical arm subsystem, a first ultrasonic rolling strengthening subsystem, a second ultrasonic rolling strengthening subsystem and a servo turntable (13); the servo turntable (13) is configured to fix a blade to be processed; the first ultrasonic rolling strengthening subsystem is provided at an end of the first mechanical arm subsystem; and the second ultrasonic rolling strengthening subsystem is provided at an end of the second mechanical arm subsystem.

Abstract: A novel method for preparing an active protein peptide from connective tissue which includes steps of: connective tissue acquisition, segmenting, washing, pulverization, pH adjustment, enzymolysis, filtration, ultrafiltration, nanofiltration concentration, sterilization, freeze-drying, etc. The connective tissue protein peptide obtained by the method of the invention has features of high peptide content, high activity, etc., and the prepared active protein peptide of the connective tissue is easily absorbed by the human body, and has functions of preventing and/or alleviating and/or treating related diseases.