Abstract: A display substrate and a display apparatus are provided, and the display substrate includes a pixel circuit with a light emitting module configured to emit light; a driving module configured to drive the light emitting module to emit light based on a driving voltage in a luminescence stage; a storage module configured to maintain and provide the driving voltage to the driving module in the luminescence stage; a first transistor, having a first electrode coupled to a position from which the driving module acquires the driving voltage; a second transistor, having a first electrode coupled to the first electrode of the first transistor, and a second electrode being not directly coupled to a signal source; and a voltage stabilizing capacitor, having a first electrode coupled to the second electrode of the second transistor, and a second electrode coupled to a constant voltage signal source.

Abstract: A video recording method includes a first electronic device that records a first shot image in response to a first operation of a user on a preview interface of an application, and records audio corresponding to the first shot image at a first volume. The first electronic device captures a second shot image and audio corresponding to the second shot image in response to a zoom-in operation of the user on the first shot image. The first shot image and the second shot image are consecutive. The first electronic device records the second shot image, and records the audio corresponding to the second shot image at a second volume.

Abstract: A controlling method and apparatus of a cleaning robot, a cleaning method and apparatus, a system, and a storage medium are provided. The method includes: controlling the cleaning robot to mop a preset cleaning region through a mopping member; obtaining a first dirtiness degree corresponding to the preset cleaning region; determining that the preset cleaning region includes a target region according to the first dirtiness degree, the target region being a region that needs to be repeatedly mopped; and controlling the cleaning robot to mop at least part of the target region through the mopping member after mopping of the preset cleaning region has been completed and after maintenance of the mopping member.

Abstract: A secondary battery includes an electrode assembly including current collecting sections, an electrode terminal, and an adapter sheet connecting the current collecting sections to the electrode terminal. The electrode assembly includes active material layer(s), current collector(s) each including an insulating layer and first and second conductive layers sandwiching the insulating layer, and conductive structures each including first and second conductive members. A portion of the first conductive member extending beyond the second conductive member forms a current collecting section. The current collecting sections are laminated with each other, with one of the current collecting sections directly contacting the adapter sheet. Neighboring ones of the current collecting sections directly contact each other, without any second conductive member arranged therebetween.

Abstract: An electrode plate includes an active material layer, a current collector including an insulating layer and first and second conductive layers sandwiching the insulating layer, and a conductive structure. The conductive structure includes a first conductive member including a first section arranged along a side of the first conductive layer and a second section extending from the first section and beyond the current collector in a direction away from the active material layer, and a second conductive member including a first connecting section connected to the second conductive layer, a bent section connected to the first connecting section and bent towards the first conductive member relative to the first connecting section, and a second connecting section bent backward relative to the bent section to be sandwiched between the first section and the first conductive layer.

Abstract: A display panel, a driving method, and a display device. The display panel includes: a base substrate, subpixels, driving lines, data lines, a gate driving circuit including clock signal lines and shift register units arranged in extension direction of clock signal lines. The clock signal lines is divided into clock signal line groups; the shift register units is divided into register unit groups; the shift register units in same register unit group are cascaded, adjacent two of shift register units in the extension direction are in different register unit groups; one register unit group corresponds to one clock signal line group; the gate of an input transistor is connected to a clock signal line in a corresponding clock signal line group, the second pole of input transistor is connected to the gate of an output transistor; the second pole of output transistor is connected to at least one driving line.

Abstract: Methods, apparatus and systems for wireless gait recognition and rhythmic motion monitoring are described. In one example, a described system comprises: a transmitter, a receiver, and a processor. The transmitter is configured for transmitting a first wireless signal towards an object in a venue through a wireless multipath channel of the venue. The receiver is configured for: receiving a second wireless signal through the wireless multipath channel between the transmitter and the receiver. The second wireless signal differs from the first wireless signal due to the wireless multipath channel which is impacted by a rhythmic motion of the object. The processor is configured for: obtaining a time series of channel information (CI) of the wireless multipath channel based on the second wireless signal, monitoring the rhythmic motion of the object based on the time series of CI (TSCI), and triggering a response action based on a result of the monitoring.

Abstract: The present disclosure relates to a method and system for evaluating the macro resilience of offshore oil well control equipment. The method for evaluating the macro resilience of offshore oil well control equipment comprises six steps: determining the type and strength of external disaster; calculating the failure rate of components; calculating the recovery rate of the components; modeling the BN for a degradation process; modeling the BN for a maintenance process; and calculating the resilience of the offshore oil well control equipment. A system for evaluating the macro resilience of offshore oil well control equipment comprises an external disaster evaluation module, a component failure rate calculation subsystem, a reliability degradation process simulation module, a fault identification module, a component recovery rate calculation module, a reliability recovery process simulation module, a reliability change curve derivation unit and an resilience calculation unit.

Abstract: A pre-lithiated silicon-based anode includes a silicon-based anode, lithium disposed on a surface or in an interior of the silicon-based anode, and a protective coating on the surface of the silicon-based anode. The pre-lithiated silicon-based anode allows subsequent processing to be performed safely in the atmosphere.

Abstract: The present application relates to a battery cell manufacturing device and method. The battery cell comprises an electrode sheet and a separator. The electrode sheet has a free end in its own extension direction. The battery cell manufacturing device includes a winding pin and a lamination assembly. The winding pin is configured to wind the electrode sheet and separator into a battery cell. The lamination assembly is disposed upstream of the winding pin, and configured to connect the free end of the electrode sheet to the separator. The battery cell manufacturing device and method provided in the embodiments of the present application solve the problem that the free end of the electrode sheet is prone to shift relative to the separator during the battery cell production process, thus ensuring the safety of the battery cell produced.

Abstract: A photographing method, including: obtaining a preview stream; detecting a movement speed of a photographed subject according to the preview stream; obtaining a first exposure time by shortening, according to the movement speed, an initial exposure time for preview frames in the preview stream, in response to determining that the movement speed is higher than a preset speed threshold; and capturing a picture based on the first exposure time.

Abstract: The present invention provides a slope repair method. The method includes pretreating a slope, so that an average roughness of the pretreated slope is not greater than ±8 cm to ±12 cm per linear meter; (2) hanging a hard protective mesh on the pretreated slope, where the distance between the hard protective mesh and the slope is 3-4 cm, and the hard protective mesh has an aperture size of 4-6 cm; and (3) spraying a loam-like matrix on the slope with the hard protective mesh hanged, where the loam-like matrix includes not less than 0.04/m2 of plant seeds; the plant seeds include tree seeds, shrub seeds and herb seeds with a mass ratio of (2.5-3.5):(4-6):(1.5-2.5). The method provided by the present invention effectively restores the mountain vegetation, and only needs 1-2 years of artificial maintenance after the restoration to form a cyclically stable ecosystem.

Abstract: A method for remedying sandy land by using a simulated loam substrate spray-seeding technology includes: first, carrying out a sand-fixing treatment to lay a metal mesh in sandy land, the metal mesh being fixed to the surface of the sandy land by a sand-fixing pile; second, spray-seeding a seed into the sandy land by simulated loam substrate spray-seeding; and finally, after spray-seeding, carrying out maintenance management, including adding a protective plate around the metal mesh, covering with a non-woven fabric, watering, fertilizing, reseeding, and post-monitoring. The present invention adopts a two-layer spray-seeding method, and rapidly simulates a loam substrate suitable for plant growth by bionics; the simulated loam substrate having good water retention capacity (conducive to a higher germination rate of seed), root development, microbial activity, nutrient transformation, and plant growth and development. With less investment and having a quick effect, large-scale sand control is provided.

Abstract: The present invention provides a slope repair method. The method includes pretreating a slope, so that an average roughness of the pretreated slope is not greater than ±8 cm to ±12 cm per linear meter; (2) hanging a hard protective mesh on the pretreated slope, where the distance between the hard protective mesh and the slope is 3-4 cm, and the hard protective mesh has an aperture size of 4-6 cm; and (3) spraying a loam-like matrix on the slope with the hard protective mesh hanged, where the loam-like matrix includes not less than 0.04/m2 of plant seeds; the plant seeds include tree seeds, shrub seeds and herb seeds with a mass ratio of (2.5-3.5):(4-6):(1.5-2.5). The method provided by the present invention effectively restores the mountain vegetation, and only needs 1-2 years of artificial maintenance after the restoration to form a cyclically stable ecosystem.

Abstract: Various aspects of methods, systems, and use cases may be used to generate an ear disease state prediction to assist diagnosis of an ear disease. A method may include receiving an image an ear, predicting an image-based confidence level of a disease state in the ear by using the image as in input to a machine learning trained model. The method may include receiving text, for example corresponding to a symptom of the patient. The method may include predicting a symptom-based confidence level of the disease state in the ear by using the text as in input to a trained classifier. The method may include using the results of the image-based confidence level and the symptom-based confidence level to determine an overall confidence level of presence of an ear infection in the ear of the patient.

Abstract: The present invention discloses a method for remedying sandy land by using a simulated loam substrate spray-seeding technology. The method includes the following steps: first, carrying out a simple sand-fixing treatment to lay a metal mesh in sandy land, the metal mesh being fixed to the surface of the sandy land by a sand-fixing pile; second, spray-seeding a seed into the sandy land by means of simulated loam substrate spray-seeding; and finally, when the spray-seeding is completed, carrying out maintenance management, including adding a protective plate around the metal mesh, covering with a non-woven fabric, watering, fertilizing, reseeding, and post-monitoring.

Abstract: A tap changer assembly of a dry-type transformer. The tap changer assembly includes a first molding including multiple taps, a semi-conductive coating applied to the first molding, a conductive shield provided overtop some of the semi-conductive coating, a grounding member comprising a ring of bosses interconnected by a grounding conductor connected to the conductive shield, a second molding applied over at least a portion of the conductive shield and the grounding conductor, the second molding forming a molded sealing surface, a conductive cover coupled to the ring of bosses; and a sealing member sealing a space between the molded sealing surface and the conductive cover. Dry-type transformers and methods of forming a tap changer assembly of a dry-type transformer are provided, as are numerous other aspects.

Abstract: An otoscope configured to be used together with a host device, such as a smart phone or other handheld mobile devices. The otoscope can utilize features on the hand-held mobile device, such as camera, software, and display, to allow a user view a person's ear canal and tympanic membrane or eardrum. In some embodiments, the otoscope may comprise a housing; a light source; an speculum; an optical redirection component; one or more image sensors; image-processing circuitry; and communication circuitry configured to transmit the sensed image to the host device.

Abstract: A tap changer assembly of a dry-type transformer. The tap changer assembly includes a first molding including multiple taps, a semi-conductive coating applied to the first molding, a conductive shield provided overtop some of the semi-conductive coating, a grounding member comprising a ring of bosses interconnected by a grounding conductor connected to the conductive shield, a second molding applied over at least a portion of the conductive shield and the grounding conductor, the second molding forming a molded sealing surface, a conductive cover coupled to the ring of bosses; and a sealing member sealing a space between the molded sealing surface and the conductive cover. Dry-type transformers and methods of forming a tap changer assembly of a dry-type transformer are provided, as are numerous other aspects.