Abstract: The present invention relates to a damage-free engagement device for wind-resistance of base-isolated structures. It includes a rubber seismic isolation support, upper and lower connecting plates, and a wind-resistance stiffness adjuster. The adjuster comprises a horizontal sliding bearing plate, a vertical guide groove, and components within the guide groove. These components include a bird beak plate, a disc spring group, and a stiffness adjustment bolt. The bird beak plate slides along the guide groove and engages with the sliding bearing plate. The invention improves horizontal stiffness while maintaining seismic isolation. It achieves a “wind lock-seismic unlock-wind lock” mechanism without component replacement, reducing maintenance costs.

Abstract: An example system includes: a landmark detection engine to detect landmark positions of landmarks in images based on facial detection; an optical flow landmark engine to determine the landmark positions in the images based on optical flow of the landmarks between the images; a landmark difference engine to determine, for a landmark in a given image: a distance between a detected landmark position and an optical flow landmark position of the landmark; and a weighted landmark determination engine to determine, for a first and second image, a position for the landmark in the second image based on: a respective detected landmark position and a respective optical flow position of the landmark in the second image; and respective distances, determined with the landmark difference engine, between a first detected landmark position of the landmark in the first image and respective optical flow landmark positions for the first and second images.

Abstract: Embodiments of this application provide a signal processing method, it includes: a secondary node obtains first data and a plurality of pieces of second data; then, the secondary node determines a plurality of first similarity degrees based on the first data and the plurality of pieces of second data; and then, the secondary node determines a target primary node based on the plurality of first similarity degrees. The first data is power frequency cycle feature data collected by the secondary node in a target time period, the plurality of pieces of second data are power frequency cycle feature data respectively collected by a plurality of primary nodes in the target time period.

Abstract: Implementations described herein relate to causing emoji(s) that are associated with a given emotion class expressed by a spoken utterance to be visually rendered for presentation to a user at a display of a client device of the user. Processor(s) of the client device may receive audio data that captures the spoken utterance, process the audio data to generate textual data that is predicted to correspond to the spoken utterance, and cause a transcription of the textual data to be visually rendered for presentation to the user via the display. Further, the processor(s) may determine, based on processing the textual data, whether the spoken utterance expresses a given emotion class. In response to determining that the spoken utterance expresses the given emotion class, the processor(s) may cause emoji(s) that are stored in association with the given emotion class to be visually rendered for presentation to the user via the display.

Abstract: A cathode material for a sodium ion battery having a coating structure having chemical formula: Na1+aNixMnyFezAmBnO2, where ?0.35?a?0.20, 0.08<x?0.5, 0.05<y?0.48, 0.03<z<0.4, 0.03<m<0.24, 0.001<n<0.06, x+y+z+m+n=1. A preparation method of a cathode material for a sodium ion battery comprises the steps of: firstly, mixing a sodium source, a nickel source, a manganese source, an iron source and an A source uniformly, and then performing a first sintering, cooling and crushing to obtain a semi-finished product; then, after mixing the semi-finished product with a B source uniformly, performing a second sintering, cooling and crushing to obtain the cathode material for a sodium ion battery. The cathode material for a sodium ion battery according to the present disclosure is structurally stable, and a surface coating layer thereof inhibits side reactions with an electrolyte, so that the cycling performance is significantly improved.

Abstract: Provided are a data processing method and an apparatus thereof. The method includes: when data writing is to be performed for a target Trunk Group (TKG), determining whether the target TKG is available (S100); when the target TKG is available, performing data writing for the target TKG (S110); and, when the target TKG is unavailable, repairing the target TKG, and performing data writing for the repaired target TKG (S120).

Abstract: A device for determining degradation rate of biodegradable polymers in soil, including a micro compressed air pump, a first CO2 absorption vessel filled with dry soda lime or an aqueous strong alkali solution, a CO2 indicator vessel filled with a barium hydroxide solution, a hollow leaching device, a second CO2 absorption vessel and a third CO2 absorption vessel connected in sequence through connecting pipes. A top of the hollow leaching device is provided with an end cover. An external water distributor filled with a leaching solution and a mechanical stirring device is arranged above the end cover. The external water distributor is in communication with an inner cavity of the hollow leaching device through a pipeline. A stirring shaft of the mechanical stirring device extends into the inner cavity. A stirring shaft is provided with a stirring paddle.

Abstract: Disclosed is producing recombinant SARS-CoV-2 spike protein in a pre-fusion state, using furin knock out or knockdown mammalian cells (such as HEK293, CHO or other mammalian cells) and using them to generate antibodies and related binding agents. The antibodies/binding agents can be used in SARS-CoV-2 detection assays or in diagnosis of active or prior infection with SARS-CoV-2; in prophylaxis or as a therapeutic; or for prophylactic or therapeutic use against coronaviruses related to SARS-CoV-2.

Abstract: The invention relates to the field of preparing biodegradable polymer slow/controlled release composite, in particular to a biodegradable polymer slow/controlled release binary composite urea-formaldehyde/poly(butylene succinate) and a biodegradable polymer slow/controlled release ternary nanocomposite urea-formaldehyde/poly(butylene succinate)/potassium dihydrogen phosphate. The following steps are included: uniformly mixing two components poly(butylene succinate) and methylol-urea or three components poly(butylene succinate), methylol-urea and potassium dihydrogen phosphate, and then extruding the resulting mixture by an extruder, and the biodegradable polymer slow/controlled release composite urea-formaldehyde/poly(butylene succinate) containing nutrient N and the biodegradable polymer slow/controlled release nanocomposite urea-formaldehyde/poly(butylene succinate)/potassium dihydrogen phosphate containing nutrients of N, P and K are obtained respectively.

Abstract: The present invention discloses a spatial posture adjusting device for an optical axis of a microscopic monitoring system for a cellular fermentation tank. The adjusting device includes a base frame, where the base frame is fixedly provided with an up/down adjustment table; the up/down adjustment table is slidably connected to a load plate; the load plate is fixedly provided with a microscope adjustment mechanism and an illumination rotation adjustment mechanism in sequence; the illumination rotation adjustment mechanism includes a base; the base is fixedly connected to a first support frame; the first support frame is fixedly provided with an illuminator; the microscope adjustment mechanism includes a second support frame; the second support frame is fixedly provided with a clamping device; the clamping device is fixedly provided with a microscope device; the illumination rotation adjustment mechanism is fixedly connected with a mobile platform.

Abstract: This application provides a signal decoding method, a decoding circuit, and a stylus. One example method includes: sampling a to-be-measured signal based on a predetermined sampling rate to obtain a plurality of sampled signals, where the to-be-measured signal is a modulation signal that carries an interference signal, and the modulation signal is sent by a touch panel of a terminal device; determining at least two edge signals in the to-be-measured signal based on the plurality of sampled signals; and decoding the to-be-measured signal based on the at least two edge signals to obtain the modulation signal.

Abstract: Provided herein, inter alia, are compositions comprising oxygen tolerant strains of Megasphaera elsdenii and methods of making and using the same to promote improvement of one or more metrics in an animal, such as increased bodyweight/carcass gain, increased feed intake, decreased feed conversion ratio (FCR), decreased medical costs, decreased transition period, decrease use of antibiotics, and reduced mortality.

Abstract: formaldehyde-based polymer composite is coated on a surface of the biodegradable polymer fabric, and is embedded in meshes of the biodegradable polymer fabric. There is intermolecular hydrogen-bond interaction between the biodegradable urea-formaldehyde-based polymer composite and the biodegradable polymer fabric.

Abstract: A method for continuously preparing graphene powder directly dispersed in an organic system, including: mixing an aqueous graphene oxide dispersion, an emulsifier and an oil-soluble monomer followed by pH adjustment and dispersing to obtain a pre-emulsified dispersion; subjecting the pre-emulsified dispersion to an emulsion polymerization reaction in the presence of an initiator; introducing a reducing agent to reduce graphene oxide; and subjecting the reaction mixture after emulsion polymerization to spray drying to obtain the graphene powder. Equipment used in the preparation method is also provided herein.

Abstract: A method for continuously preparing graphene powder directly dispersed in an organic system, including: mixing an aqueous graphene oxide dispersion, an emulsifier and an oil-soluble monomer followed by pH adjustment and dispersing to obtain a pre-emulsified dispersion; subjecting the pre-emulsified dispersion to an emulsion polymerization reaction in the presence of an initiator; introducing a reducing agent to reduce graphene oxide; and subjecting the reaction mixture after emulsion polymerization to spray drying to obtain the graphene powder. Equipment used in the preparation method is also provided herein.

Abstract: Disclosed is a device for angling a multi-well plate during shaking on a typical low speed laboratory incubator-shaker to facilitate cell growth. An assembly with a holder for a deep-well multi-well plate to attach it to a base has an adjustable-angle joint. The base is attached to a conventional incubator shaker tray via screws or a sticky pad. The adjustable-angle joint allows maintaining the desired angle of the plate, even at full shaking speed.

Abstract: In a method for configuring documents for circulation, a document template and a plurality of field templates are created. The document template and the field templates are integrated to obtain an integrated document template. A workflow template is generated according to the integrated document template. A document entity is generated according to the integrated document template in response to a first user operation. The document entity is operated by a second user operation. A workflow entity derives from to the workflow template, the workflow entity including a plurality of node entities, and the node entities include a start node entity and an end node entity. The document entity is transferred from the start node entity to the end node entity according to the workflow entity. The method meets the requirements for general circulation of documents generated by a business with ever-increasing complexity.

Abstract: The present invention relates to biodegradable polymers, particularly to a method for converting biodegradable polymers into humus with a low release amount of CO2 and use thereof. A composite material system is formed from the biodegradable polymers and the materials that can slowly release nutrient nitrogen or nutrients nitrogen and phosphorus, in which the mass ratio of carbon to nitrogen in the composite material system is (1-35):1. The materials of the present invention can promote the biodegradable polymers to be converted into soil humus or compost humus, rather than to be converted into greenhouse gas CO2, which is to be emitted into the atmosphere. Therefore, the method is of great significance for energy conservation and emission reduction, green and efficient utilization of biodegradable polymers and efficient and green utilization of biodegradable polymers wastes.

Abstract: In some examples, a database management node updates object metadata with indicators of access frequencies of a plurality of objects in a data store that is remotely accessible by the database management node over a network. The database management node selects a subset of the plurality of objects based on the indicators, and caches the subset in the local storage.

Abstract: By constructing packaging or cushioning components with a cellulose-fiber foam and uniquely blending relatively longer fibers serving as mechanical structure with refined chemical fibers serving as a bonding mechanism for the relatively longer fibers together, a lower density, energy absorbing, and resilient cellulose-fiber foam is disclosed. Some cellulose-fiber foam components additional do not require stand-alone foaming agent or surfactant.