Abstract: A data management system (DMS) may facilitate an investigation procedure for a set of one or more virtual machines (VMs) hosted in a first environment. The DMS may receive an indication of a selection of one or more sets of VMs and corresponding snapshots for the investigation procedure. The corresponding snapshots may be stored in a second environment, and each snapshot may be associated with a version of a respective set of VMs. The DMS may mount the one or more sets of VMs to one or more testing environments different than the first and second environments. The mounting may use the snapshots stored in the second environment to provide the testing environments with query access to respective versions of the sets of VMs hosted in the first environment. The DMS may perform query operations between the first environment and the testing environments as part of the investigation procedure.

Abstract: Provided is an organic electroluminescent device and an application thereof. The organic electroluminescent device includes a metal complex having a substituent A capable of reducing a maximum capacitance in the device, and the metal complex can be used as an emissive material in an emissive layer of the electroluminescent device. The device including a metal complex having the substituent A can obtain a decrease in the maximum capacitance of the device, thereby improving the response time and refresh frequency of an OLED display device at a low grayscale. In another aspect, the substituent A can cause a decrease in the maximum capacitance of the device, and the device prepared with the metal complex including the substituent A can still maintain excellent device performance compared with the devices prepared with the metal complexes that do not include the substituent A. Further provided is an electronic assembly including the organic electroluminescent device.

Abstract: The present invention discloses a method of preparing an alkali activation material by using red mud-based wet grinding and carbon sequestration and an application thereof. The preparation method includes: (1) adding water, red mud, a crystalline control agent, and a grinding aid into a wet grinding carbon sequestration apparatus to perform wet grinding, and simultaneously introducing CO2 until a slurry pH reaches 7 to 7.5; and removing wet grinding balls by a sieve to obtain a slurry A; (2) adding carbide slag, water and a water reducer to a wet planetary ball grinder tank for wet grinding, and removing wet grinding balls by a sieve to obtain a slurry B; (3) taking 50 to 80 parts of the slurry A and 20 to 50 parts of the slurry B and mixing them to obtain an alkali activation material.

Abstract: An application of a hydrogel in the preparation of products for the treatment of bacterial infection is disclosed. Ferrous ion was used in the antibacterial activity test of Staphylococcus aureus and showed a strong bactericidal effect, which the survival rate of Staphylococcus aureus is less than 0.001%, as well as the survival rate of methicillin-resistant Staphylococcus aureus (MRSA) was less than 0.01%. Ferrous ion hydrogel was used for the treatment of keratitis and skin wound infection. Ferrous ion hydrogel for the treatment of keratitis and skin wound infection, which can significantly reduce the risk of pulmonary MRSA infection, prevented the dissimilation of MRSA to the lung, and alleviated systemic inflammation in the body in a timely and effective manner, revealing the therapeutic potential of ferrous compounds for treatment of Staphylococcus aureus infections, including MRSA.

Abstract: Provided are a phosphorescent organometallic complex and a use thereof. The metal complex has a ligand with a structure represented by Formula 1 and may be used as a light-emitting material in an electroluminescent device. These novel metal complexes can not only maintain low voltage and improve device efficiency in electroluminescent devices but also greatly reduce the half-peak width of light emitted by these devices so as to greatly improve color saturation of the light emitted by these devices, thereby providing better device performance. Further provided are an electroluminescent device and a compound formulation.

Abstract: In one embodiment, a method includes determining, by a first network component, a sender shaper drop value based on the following: a maximum sequence number; a minimum sequence number; and a sender sequence counter number associated with the first network component. The method also includes determining, by the first network component, a wide area network (WAN) link drop value based on the sender sequence counter number associated with the first network component and a receiver sequence counter number associated with a second network component. The method further includes determining, by the first network component, whether to adjust a sender shaper rate based on the sender shaper drop value and the WAN link drop value.

Abstract: The present disclosure provides a data processing apparatus and related products. The products include a control module including an instruction caching unit, an instruction processing unit, and a storage queue unit. The instruction caching unit is configured to store computation instructions associated with an artificial neural network operation; the instruction processing unit is configured to parse the computation instructions to obtain a plurality of operation instructions; and the storage queue unit is configured to store an instruction queue, where the instruction queue includes a plurality of operation instructions or computation instructions to be executed in the sequence of the queue. By adopting the above-mentioned method, the present disclosure can improve the operation efficiency of related products when performing operations of a neural network model.

Abstract: Provided are an organic electroluminescent material and a device comprising the same. The organic electroluminescent material is a metal complex comprising a ligand La having a structure of Formula 1, where the ligand La has a (6-5-6)-multi-membered fused cyclic structural unit and comprises particular substituents R1 and Rn. These new compounds are applied to electroluminescent devices so that very excellent device performance can be obtained, full widths at half maximum of emission spectra can be further reduced while high performance of the devices can be maintained, the luminescence saturation of the devices can be improved and the devices can have high efficiency under a condition of being closer to a BT.2020 commercial luminescence requirement. Further provided are an organic electroluminescent device comprising the metal complex and a composition comprising the metal complex.

Abstract: Provided are an organic electroluminescent device and a use thereof. The organic electroluminescent device comprises a metal complex having particular spectral characteristics (that is, satisfying requirements on D and AR), and the metal complex can better approach the commercially pursued BT.2020 luminescence. Compared with a metal complex that does not satisfy the requirements on D and AR, the metal complex is applied to the organic electroluminescent device to make the obtained organic electroluminescent device have higher device efficiency and more saturated green light emission, can better satisfy the BT.2020 luminescence requirement of the market, and can still maintain high device performance, especially device efficiency, when approaching the BT.2020 luminescence, and the metal complex basically reaches maximum efficiency of the device. The organic electroluminescent device comprising the preceding metal complex has a broad commercial application prospect and can achieve more saturated luminescence.

Abstract: Disclosed are an aromatic amine derivative and an organic electroluminescent device including the same. A fluorenyl/silafluorenyl group having an ortho-substituted group is introduced into the structure of the aromatic amine derivative. The aromatic amine derivative may be used as a light-emitting material in a light-emitting layer of an organic electroluminescent device. These novel compounds can provide better device performance.

Abstract: Several optical micro-electromechanical systems (OptoMEMS) are provided. One of the OptoMEMS comprises an OptoMEMS chip, and a photonic chip coupled to the OptoMEMS chip; wherein the OptoMEMS chip comprises a photonic cavity and a first platform on which the photonic cavity is fabricated, and the photonic chip comprises a waveguide and a second platform on which the waveguide is fabricated; wherein the photonic cavity comprises at least one dielectric beam, each of which further comprises at least one array of air holes; wherein the photonic cavity is at least partially made of a photonic crystal, and the lattice constant of the photonic crystal is reduced or increased gradually in a central region of the photonic cavity, allowing the light of a specific frequency to be trapped in the center region.

Abstract: Disclosed herein are a production apparatus of a motor laminated core and a method for producing the same, the production apparatus comprises an upper die assembly, a lower die assembly and an adhesive spraying device, the adhesive spraying device comprises an adhesive spraying plate, a first die plate and a second die plate successively from top to bottom, and channels are disposed between the plates, and respective channels communicate with first adhesive spraying openings and second adhesive spraying openings so as to coat an adhesive on a portion of a metal strip used for forming an core sheet, and after the core sheet is formed, a plurality of core sheets are cured and bonded at normal temperature in the production apparatus with the aid of a hydraulic cylinder so as to form a motor laminated core.

Abstract: A training mechanism for water-based lower-limb rehabilitation, including two leg training sub-mechanisms. Each leg training sub-mechanism includes a hip joint training device, an adjustable thigh plate, an adjustable shank plate, a knee training device, an ankle training device and a pedal. The hip joint training device, knee training device and ankle training device are connected to a remote control motor box through a Bowden cable assembly, respectively. A robot including the training mechanism is also provided, whose power source is arranged outside the water, and the power is supplied to the training mechanism through the Bowden cable assembly.

Abstract: A preparation method and an application of a scallop shell extract efficient adsorbent are provided. The adsorbent employs waste scallop shells as a primary raw material, and converts the scallop shells into an extract with excellent adsorption performance by heating and multiple times of extraction with acetic acid. The prepared scallop shell extract is used as an efficient adsorbent to be applied to adsorption of aqueous solution dyes and shows good adsorption performance. The preparation method has a simple preparation process, realizes high-value utilization of the waste scallop shells, effectively lightens the environmental burden, reduces shell pollution and waste, has low cost and high renewable efficiency, and has good ecological benefit and economic value.

Abstract: Methods and systems for generating artificial parcel data are provided. An example method involves accessing geospatial imagery depicting one or more buildings and surrounding areas, applying a machine learning model to the geospatial imagery to generate artificial parcel data in a form of a distance-transform raster map that represents a legal land parcel for each of the one or more buildings, and converting the distance-transform raster map into a vector map containing one or more polygons that represent the boundaries of each of the legal land parcels.

Abstract: A street lamp intelligent measurement and control device includes an MCU chip, and an electrical parameter measuring circuit, an NB-IoT communication circuit, a dimming circuit and a switching control circuit respectively connected to the MCU chip. The electrical parameter measuring circuit determines electrical parameter data and electrical energy data of a street lamp load, and transmits the electrical parameter data and the electrical energy data to the MCU chip. The MCU chip actively uploads the electrical parameter data and/or the electrical energy data to a remote control center according to a preset time interval, receives a controlling instruction from the remote control center, and sends out a switching signal and/or a dimming signal according to the controlling instruction. The switching control circuit controls an on-off of the street lamp load according to the switching signal sent by the MCU chip.

Abstract: A preparation method and an application of a scallop shell extract efficient adsorbent are provided. The adsorbent employs waste scallop shells as a primary raw material, and converts the scallop shells into an extract with excellent adsorption performance by heating and multiple times of extraction with acetic acid. The prepared scallop shell extract is used as an efficient adsorbent to be applied to adsorption of aqueous solution dyes and shows good adsorption performance. The preparation method has a simple preparation process, realizes high-value utilization of the waste scallop shells, effectively lightens the environmental burden, reduces shell pollution and waste, has low cost and high renewable efficiency, and has good ecological benefit and economic value.

Abstract: A light distribution element and a lamp are provided. The lamp includes a plurality of subsections combined with each other, each of the plurality of subsections is a part of a circumference, and the plurality of subsections can be located on at least one virtual circumference by movement. The light distribution element of the present application includes a plurality of subsections combined with each other, which is favorable for providing the lamp with a special-shaped configuration, thus facilitating the use of the lamp.

Abstract: The present disclosure discloses a flow battery system and a large-scale flow battery energy storage device. The flow battery system comprises multiple flow batteries; each of the flow batteries comprises a battery pack A, a battery pack B, a battery pack C, and a set of electrolyte circulation system used by the battery pack A, the battery pack B and the battery pack C; the battery pack A, the battery pack B and the battery pack C comprised in each flow battery are independent of each other in the circuit. According to the present disclosure, at least two sets of electrolyte circulation system are saved under the same power scale, such that the system stability is improved while the cost is reduced.

Abstract: Disclosed herein are a production apparatus of a motor laminated core and a method for producing the same, the production apparatus comprises an upper die assembly, a lower die assembly and an adhesive spraying device, the adhesive spraying device comprises an adhesive spraying plate, a first die plate and a second die plate successively from top to bottom, and channels are disposed between the plates, and respective channels communicate with first adhesive spraying openings and second adhesive spraying openings so as to coat an adhesive on a portion of a metal strip used for forming an core sheet, and after the core sheet is formed, a plurality of core sheets are cured and bonded at normal temperature in the production apparatus with the aid of a hydraulic cylinder so as to form a motor laminated core.