Abstract: Disclosed are a digital currency transaction method, apparatus and electronic device, and a computer-readable medium.

Abstract: A device-abnormality detection method and a device-abnormality detection system are disclosed. The device-abnormality detection method includes: generating, by a local detection terminal, target performance index data of a device to be detected, and sending the target performance index data to a cloud platform. The method may include determining, by the cloud platform based on the target performance index data, target detection algorithm information corresponding to the target performance index data, and sending the target detection algorithm information to the local detection terminal. The method may also include implementing, by the local detection terminal, an abnormality detection of the device to be detected based on the target detection algorithm information and performance data of the device to be detected, and outputs an abnormality detection result.

Abstract: A method for restoring waterbird habitats based on the “ecological leverage” theory is provided. The method includes: Step 1: Determining a target waterbird habitat to be restored based on the ecological environment of a target wetland area; Step 2: Selecting several suitable basic ecological units that are distributed in a scattered, circular, or S-shaped pattern from the target wetland area; Step 3: Optimizing the environment of the selected basic ecological units according to the target waterbird habitat; Step 4: Conducting long-term monitoring of the ecological environment and waterbird population of the optimized ecological units, assessing the restoration of the waterbird habitat, and further optimizing the ecological units based on the assessment results. The method of the present invention achieves an enhancement in waterbird diversity within a region with the minimum ecological space and waterbird habitat restoration efforts.

Abstract: The provided are a method, terminal, and system for updating a digital currency wallet, and relates to the field of computer technology. A specific implementation of the method includes: sending, based on user trigger, a query request about whether the digital currency wallet needs to be updated to a trusted platform; receiving a query result returned by the trusted platform; in the case that the query result indicates that the digital currency wallet needs to be updated, withdrawing a digital currency from the digital currency wallet, synchronizing offline transaction data of the digital currency wallet, and sending an update request to the trusted platform; receiving a target update instruction sent by the trusted platform, wherein the target update instruction indicates account data corresponding to the digital currency wallet; and updating the digital currency wallet based on the account data indicated by the target update instruction.

Abstract: The present disclosure discloses a fiber structure, including a plurality of fiber layers. The plurality of the fiber layers are stacked and arranged in a surrounding manner and are impregnated and cured in sequence. The fiber structure of the present disclosure is high in structural strength and low in mass. The present disclosure further provides a gymnastic apparatus force bearing frame, including the above-mentioned fiber structure, which is beneficial to reducing the weight of the gymnastic apparatus force bearing frame, facilitating the movement, transportation, disassembling, and assembling of the apparatus, and reducing the labor burden of an operator.

Abstract: The present application relates to the field of ice making, and provides an ice making system and a refrigeration apparatus. The ice making system includes an ice making assembly, a water collecting tank located below the ice making assembly, and a water diversion ice rake structure. The water diversion ice rake structure includes: a pair of water receiving lateral wings, each of which is constructed with a rotary end and a free end; the pair of water receiving lateral wings are rotatably disposed on opposite sides of the ice making assembly through the respective rotary ends to rotate between an ice making position and an ice falling position. At the ice making position, the free ends of the pair of water receiving lateral wings are butted in a space between the ice making assembly and the water collecting tank to form a closure space with an opening facing the ice making assembly, and a water outlet communicating with the water collecting tank is constructed on one side of the closure space.

Abstract: The present application relates to the field of ice making, and provides an ice making system and a refrigeration apparatus. The ice making system includes an ice making assembly, a water collecting tank located below the ice making assembly, and a water diversion ice rake structure. The water diversion ice rake structure includes: a pair of water receiving lateral wings, each of which is constructed with a rotary end and a free end; the pair of water receiving lateral wings are rotatably disposed on opposite sides of the ice making assembly through the respective rotary ends to rotate between an ice making position and an ice falling position. At the ice making position, the free ends of the pair of water receiving lateral wings are butted in a space between the ice making assembly and the water collecting tank to form a closure space with an opening facing the ice making assembly, and a water outlet communicating with the water collecting tank is constructed on one side of the closure space.

Abstract: The invention relates to a multi-component composite sulfide solid lubricating film prepared by sulfurizing the surface of a high-entropy alloy. The high-entropy alloy is composed of five metal elements of Co, Cr, Fe, Ni and Mo or six metal elements of Co, Cr, Fe, Ni, Mo and W. The multi-component composite sulfide solid lubricating film of the invention is mainly applied to the friction pair surface of mechanical equipment, the lubricating film and the sulfurized base have high bonding strength, and multi-component composite sulfide solid lubricating films containing different sulfide lubricating phases can be chose and prepared according to the service environment of equipment.

Abstract: The invention relates to a multi-component composite sulfide solid lubricating film prepared by sulfurizing the surface of a high-entropy alloy. The high-entropy alloy is composed of five metal elements of Co, Cr, Fe, Ni and Mo or six metal elements of Co, Cr, Fe, Ni, Mo and W. The multi-component composite sulfide solid lubricating film of the invention is mainly applied to the friction pair surface of mechanical equipment, the lubricating film and the sulfurized base have high bonding strength, and multi-component composite sulfide solid lubricating films containing different sulfide lubricating phases can be chose and prepared according to the service environment of equipment.

Abstract: In a power supply system, when a power supply is inserted into a power interface of the OTG peripheral, the power supply supplies power to a USB secondary device connected to a second USB interface of the OTG peripheral; and when the power supply is inserted into the power interface of the OTG peripheral, the OTG peripheral outputs a high-level pulse by using the first USB interface of the OTG peripheral, so as to trigger a terminal connected to the first USB interface to stop supplying power to the USB secondary device; and in addition, the OTG peripheral enables, after a delay of a preset safe time, the power supply to supply power to the terminal connected to the first USB interface.

Abstract: In a power supply system, when a power supply is inserted into a power interface of the OTG peripheral, the power supply supplies power to a USB secondary device connected to a second USB interface of the OTG peripheral; and when the power supply is inserted into the power interface of the OTG peripheral, the OTG peripheral outputs a high-level pulse by using the first USB interface of the OTG peripheral, so as to trigger a terminal connected to the first USB interface to stop supplying power to the USB secondary device; and in addition, the OTG peripheral enables, after a delay of a preset safe time, the power supply to supply power to the terminal connected to the first USB interface.

Abstract: Disclosed is an electrochemical biosensor having a sample introduction channel in which an insulator is employed to introduce a small amount of a sample uniformly and accurately and to adjust an area of a working electrode, thereby guaranteeing the accurate quantitative analysis of a sample. Provided with a sample collection barrier at a sample entrance, the biosensor allows a sample to be introduced at higher accuracy and to be analyzed with higher reproducibility and reliability.

Abstract: Provided in the present invention is a cloud service based intelligent photographic method, device and mobile terminal. The cloud service based intelligent photographic method includes: acquiring current environment information and device information of a mobile terminal, transmitting the environment information and device information to a cloud service device, so that the cloud service device generates photographic parameters corresponding to the environment information and device information; and receiving the photographic parameters transmitted by the cloud service device, and setting a photographic module of the mobile terminal according to the photographic parameters.

Abstract: Disclosed is an electrochemical biosensor measuring device which can be used together with an electrochemical biosensor. The biosensor measuring device comprises an electrical connection portion which is electrically connected with the electrodes of the biosensor upon the insertion of the biosensor there into, and a connector having a structure in which at least one light absorption or reflection path sequentially comprising a light emitter-production lot information identification portion-detector unit is provided to identify the production lot information recorded in the biosensor. The electrochemical biosensor measuring device can automatically identify the production lot information of the biosensor, encoded in the form of a hue or hole marks, upon the insertion of the electrochemical biosensor into the measuring device, thereby obviating the need to manually input the production lot information of the biosensor.

Abstract: Disclosed relates to an electrochemical determination system of glycated proteins, the system comprising: a filtering means for filtering labeled compounds bound to glycated proteins and non-glycated proteins after adding labeling compounds, capable of selectively binding to the glycated proteins to a solution, in which glycated/non-glycated proteins coexist, to be bound all to the glycated proteins; and a quantifying means for quantifying the filtered labeling compounds, not bound to the glycated proteins. The system of the present invention filters the residual labeled compounds left after binding to glycated proteins to quantify, instead of directly quantifying glycated proteins via the known glycated protein determination methods, thus simplifying the configuration of the system that can provide exact determinations with a low cost.

Abstract: Disclosed are an electrochemical biosensor which comprises a production lot information identification portion, on which information is recorded in a magnetization mark, and a measuring device which can automatically identify the production lot information of the biosensor with the insertion of the electrochemical biosensor into the measuring device. The electrochemical biosensor and the measuring device thereof can record production lot information in the form of magnetization marks on an electrochemical biosensor strip and read the information as digital signals through a magnetoresistance sensor device, which can be mounted on the surface of a circuit board using Surface Mounted Technology (SMT). Without the need for a high-priced filter or a complicated calculation system, the magnetic detector system has a simple construction and realizes economic efficiency in the construction of the measuring device.

Abstract: Disclosed herein is an electrochemical biosensor measuring device which comprises at least two photodiodes for emitting light beams at regular time intervals in a sequential manner, with the insertion of an electrochemical biosensor thereto, and a detector for sensing the emitted light beams, thereby identifying the production lot information recorded on a production lot information identification portion on the electrochemical biosensor. Thus, the device enjoys economic advantages of not requiring a high-priced optical filter in detecting the light absorbed through or reflected from the production identification information recorded in biosensor and a complicated software algorithm to recover the production lot information.

Abstract: A biosensor can be measured by a method that includes: determining malfunction of a production lot information sensing unit; alerting malfunction when the production lot information sensing unit malfunctions; encoding the production lot information through the production lot information sensing unit when the production lot information sensing unit does not malfunction; and detecting a component of a sample through a biosensor strip by using the encoded production lot information.

Abstract: Disclosed are an electrochemical biosensor which comprises a production lot information identification portion, on which information is recorded in a magnetization mark, and a measuring device which can automatically identify the production lot information of the biosensor with the insertion of the electrochemical biosensor into the measuring device. The electrochemical biosensor and the measuring device thereof can record production lot information in the form of magnetization marks on an electrochemical biosensor strip and read the information as digital signals through a magnetoresistance sensor device, which can be mounted on the surface of a circuit board using Surface Mounted Technology (SMT). Without the need for a high-priced filter or a complicated calculation system, the magnetic detector system has a simple construction and realizes economic efficiency in the construction of the measuring device.