Abstract: A pixel circuit and a driving method therefor, a display substrate, and a display apparatus. The pixel circuit includes a driving sub circuit, a data writing sub circuit, a first light-emitting control sub circuit, a first reset sub circuit, and a bias sub circuit; the first reset sub circuit is connected to a first node and configured to write a first reset voltage to the first node in response to a first reset control signal; and the bias sub circuit is connected to a second node and configured to write a reference voltage to the second node in response to a bias control signal, thereby turning on the driving sub circuit.

Abstract: Disclosed are a method, apparatus and system for exporting and recharging a digital currency, which mainly relate to the technical field of computers. The method includes: receiving a generation request of a digital currency sent by a digital currency terminal, wherein the generation request indicates a first denomination of the requested digital currency and user information corresponding to the digital currency terminal (S101); determining, according to the user information, an available currency corresponding to the user information and a second denomination of the available currency (S102); generating, according to the available currency and the second denomination of the available currency, the digital currency corresponding to the user information and the first denomination, and recording a status of the digital currency as an export status (S103), and notifying the digital currency terminal of the digital currency in the export status (S104).

Abstract: A multi-phase regulator circuit includes one or more switching converter circuits. Each switching converter circuit includes a transformer including a primary winding and a multi-segment secondary winding, a primary side switch circuit configured to connect the primary winding to an input of the multi-phase regulator circuit, and multiple secondary side circuits including multiple coupled-inductor circuits. Each coupled-inductor circuit includes a first winding magnetically coupled to a second winding. Each segment of the transformer multi-segment secondary winding is operatively coupled to the first winding of a coupled-inductor circuit and each of the first windings is connected to an output of the multi-phase regulator circuit.

Abstract: A coaxial powder-feeding nozzle includes a partition wall-type shell, a powder flow area, a cooling liquid flow area and a shielding gas conveying channel. A powder self-cleaning filter is on the outer side of the partition wall-type shell; the powder self-cleaning filter includes a set of powder collecting tubes on each side of the partition wall-type shell in the axial direction; each set of powder collecting tubes includes at least one powder collecting tube; under the coaction of a suction force applied by a powder collecting system and the self-weight of residual powder, a residual powder inlet of each powder collecting tube causes the residual powder on the opposite side to roll down to the bottom along the wall surface of a metal tube to be processed on the same side, and to be gathered at the front end of the residual powder inlet of the powder collecting tube.

Abstract: Disclosed is a near-seabed video data positioning correction method based on an ultra-short baseline, comprising the following steps: acquiring ultra-short baseline positioning data; eliminating abnormal data in the ultra-short baseline positioning data, establishing a four-dimensional elimination model, and eliminating the abnormal data in X, Y and Z directions; modeling the correction method of the recombined ultra-short baseline positioning data after removing abnormal data; obtaining the positioning data of the camera drag with specified precision by simulation. The application realizes the positioning correction of video data under the existing conditions and established operation modes, and eliminates, simulates and corrects the error data generated by the time change of ultra-short baseline data used for video positioning in the heading and other directions by integrating and using various survey data, so as to position the near-bottom video data.

Abstract: A method and system for positioning and correcting visual data by seafloor topographic profiles are provided. The method includes: offsetting the water-depth profile of the target survey line equidistantly in a grid layer of a target area to make profiles generated after the offsetting traverse the grid layer of the target area, and obtaining offset data sequences corresponding to the water-depth profile of the target survey line; drawing offset topographic profiles based on offset data of the offset data sequences corresponding to the water-depth profile of the target survey line; calculating a profile similarity between the water-depth profile of the target survey line and each of the offset topographic profiles by using a dynamic time warping (DTW) algorithm; and selecting a geographic location of one of the offset topographic profiles with a largest profile similarity as an actual geographic location of a water-depth profile of a seafloor visual survey line.

Abstract: A coaxial powder-feeding nozzle includes a partition wall-type shell, a powder flow area, a cooling liquid flow area and a shielding gas conveying channel. A powder self-cleaning filter is on the outer side of the partition wall-type shell; the powder self-cleaning filter includes a set of powder collecting tubes on each side of the partition wall-type shell in the axial direction; each set of powder collecting tubes includes at least one powder collecting tube; under the coaction of a suction force applied by a powder collecting system and the self-weight of residual powder, a residual powder inlet of each powder collecting tube causes the residual powder on the opposite side to roll down to the bottom along the wall surface of a metal tube to be processed on the same side, and to be gathered at the front end of the residual powder inlet of the powder collecting tube.

Abstract: Disclosed in the present invention is an isolating membrane of an electrochemical device, comprising a modified porous base membrane and a functional layer arranged on the surface of at least one side of the modified porous base membrane. The functional layer contains slurry of organic matter and inorganic matter compounds, and the modified porous base membrane contains particles of a lithium-containing conductive ion compound. According to the present invention, the lithium-containing conductive ion compound is prepared by adopting a sol-gel-hydrothermal method, and small-particle-size particles of the lithium-containing conductive ion compound are embedded into the isolating membrane base membrane, so that the defects of poor ionic conductivity and poor wettability of an existing isolating membrane are overcome, and moreover, the isolating membrane has good adhesion and heat resistance due to the coated functional layer.

Abstract: A motion behavior pattern classification method, system and device relating to the human motion recognition field. The method includes: S1, determining a candidate motion behavior pattern which includes a motion behavior pattern to be classified; S2, acquiring time series of behavior data of the candidate motion behavior pattern through a motion control sensor; S3, establishing an LSTM motion behavior pattern classification model through the time series; S4, predicting the motion behavior pattern to be classified through the LSTM motion pattern classification model, comparing the prediction result obtained using the sequence within the T time with the prediction result obtained using the sequence within the T+?t time using the iterative process to obtain the final prediction result, wherein T1?T?T2, T1>0, T2>T1, and the incremental step is set to be ?t, ?t>0. The technical solution of the present invention may improve accuracy while reducing the latency of the motion behavior pattern classification.

Abstract: A motion behavior pattern classification method, system and device relating to the human motion recognition field. The method includes: S1, determining a candidate motion behavior pattern which includes a motion behavior pattern to be classified; S2, acquiring time series of behavior data of the candidate motion behavior pattern through a motion control sensor; S3, establishing an LSTM motion behavior pattern classification model through the time series; S4, predicting the motion behavior pattern to be classified through the LSTM motion pattern classification model, comparing the prediction result obtained using the sequence within the T time with the prediction result obtained using the sequence within the T+?t time using the iterative process to obtain the final prediction result, wherein T1?T?T2, T1>0, T2>T1, and the incremental step is set to be ?t, ?t>0. The technical solution of the present invention may improve accuracy while reducing the latency of the motion behavior pattern classification.

Abstract: A method of preparing an oil-in-water emulsion comprises combining (A) an organopolysiloxane including at least two silicon-bonded hydrolysable or hydroxyl groups and (B) an organic oil to give a mixture. The method further comprises combining the mixture, (C) an aqueous medium and (D) a surfactant to form an initial emulsion. Finally, the method comprises contacting the organopolysiloxane (A) with (D1) an organic acid catalyst to polymerize the organopolysiloxane (A) to give (A1) a high molecular weight organopolysiloxane and the oil-in-water emulsion. A personal care composition comprising the oil-in-water emulsion and a personal care ingredient is also disclosed.