Abstract: Disclosed in the embodiments of the present disclosure are a blue-light-emitting device and a manufacturing method therefor, and a display apparatus. The blue-light-emitting device comprises a hole transport layer, an electron blocking layer and a light-emitting layer, which are arranged in a stacked manner, wherein the electron blocking layer comprises a first material and a second material, the mobility of the first material is a first mobility, and the mobility of the second material is a second mobility; and the mobility of the hole transport layer is greater than the mobility of the first material, and the mobility of the hole transport layer is greater than the mobility of the second material; and the general structural formula of the material of the hole transport layer is formula (I), the general structural formulae of the first material and the second material are both formula (II), the first material and the second material have different bond energies, and n is equal to 0 or 1.

Abstract: A battery cell, a manufacturing method and manufacturing device thereof, a battery, and an electric apparatus are described. The battery cell includes a housing assembly, an electrode assembly, and a current collecting member. The housing assembly includes an electrode lead-out portion for inputting or outputting electrical energy. The electrode assembly is provided in the housing assembly, and the electrode assembly has a tab. The current collecting member is provided in the housing assembly, and the current collecting member is configured to electrically connect the tab and the electrode lead-out portion. The current collecting member includes a body and an elastic portion connected to the body, one of the body and the elastic portion is welded to the tab, and the other is electrically connected to the electrode lead-out portion, and the elastic portion is configured to cushion vibrations between the electrode assembly and the housing assembly.

Abstract: Provided is a medical device implantation apparatus, comprising: an outer sheath, connected to a first portion of a handle and extending from a proximal end to a distal end; a middle sheath, the middle sheath being arranged in the outer sheath, and the middle sheath being connected to a second portion of the handle; an inner sheath, the inner sheath being allowed to pass through the middle sheath, the inner sheath being connected to a third portion of the handle, and the inner sheath being movable relative to the outer sheath; outer casings, with at least two outer casings being provided, and a distal end of the inner sheath being respectively fixedly connected to the outer casings; and a medical device, arranged around the inner sheath and partially accommodated in the outer casings.

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: Provided are a battery cell, a battery, an electrical device, and a manufacturing method and device for a battery cell, which belong to the field of battery technologies. The battery cell includes a case, an electrode assembly, an end cover, and a current collecting member. The case has an opening. The electrode assembly is accommodated in the case. The end cover covers the opening and is sealed and connected to the case. The current collecting member is accommodated in the case and located at a side of the electrode assembly facing the end cover. The current collecting member is configured to connect the case and the electrode assembly to electrically connect the electrode assembly to the case. The battery cell with such structure realizes an electrical connection between the electrode assembly and the case through the current collecting member. During assembling of the battery cell.

Abstract: Methods, apparatus and systems for wireless human-nonhuman motion detection are described.

Abstract: A fastening tool. In the fastening tool, a top part guiding matching portion engages a top part guiding portion in a sliding fit; a pressing part guiding matching portion engages a pressing part guiding portion in a sliding fit; a lever hinged to a base part; a transmission part engages a transmission part guiding slot in a sliding fit; the transmission part is driven to slide by the pressing part, and the lever is driven to rotate by the transmission part, then the top part is driven to slide out, due to a reaction force acting on the pressing part by the transmission part and the friction between the pressing part and the base part, the pressing part remains to be self-locked by friction, which can constrain the pressing part and the top part is locked.

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 battery cell, a method and system for manufacturing the battery cell, a battery, and a power consuming device are disclosed. The battery cell includes: a shell including an electrode draw-out portion; and an electrode assembly accommodated in the shell. The end of the electrode assembly facing toward the electrode draw-out portion is provided with a first tab, the first tab is wound around a winding axis of the electrode assembly and includes a plurality of turns of tab layers, and at least some of the plurality of turns of tab layers are welded to form a first welded portion. Some of the plurality of turns of tab layers are welded to the electrode draw-out portion to form a second welded portion; and among the tab layers connected to the first welded portion, at least one turn of tab layer is not welded to the electrode draw-out portion.

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 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: 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: 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: 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: Methods, apparatus and systems for wireless sensing and proximity detection are described. For example, a described method comprises: transmitting, by a first wireless device, a wireless signal through a wireless multipath channel in a venue; receiving, by a second wireless device, the wireless signal through the wireless multipath channel, wherein the received wireless signal differs from the transmitted wireless signal due to the wireless multipath channel and a movement of an object in the venue; obtaining a time series of channel information (TSCI) of the wireless multipath channel based on the received wireless signal; computing a first motion statistics based on a time-domain correlation of channel information (CI) in the TSCI; computing a second motion statistics based on a frequency-domain correlation of the CI in the TSCI; and detecting a proximity of the object to a target in the venue based on the first motion statistics and the second motion statistics.

Abstract: The present invention relates to fusion proteins and methods of using the same. Specifically, invention relates to fusion proteins comprising an intein and a DNA polymerase, and methods of using the same for DNA synthesis.

Abstract: The pixel circuit of the present disclosure includes: 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.