Abstract: A method for fixed connection of a solar cell string includes: stacking a back film, a first solder ribbon, a solar cell, a second solder ribbon and a front film to form a solar cell unit; placing a first press and a second press on the front film such that the first press and second press press the front film and back film, and move together with the solar cell unit; and performing a melting-solidification operation while keeping the first press and second press pressing against the front film. A press assembly and a device are also provided to perform the method.

Abstract: Provided is a pixel defining layer of an organic light-emitting diode display panel. The pixel defining layer includes: an insulating transparent cladding layer; and a reflecting layer in the transparent cladding layer, wherein the reflecting layer is configured to reflect light emitted from a light-emitting layer of the organic light-emitting diode display panel. Organic light-emitting diode display panels and methods for manufacturing an organic light-emitting diode display panel are also provided.

Abstract: Embodiments of this application provide a hydraulic apparatus, a brake system, and a control method. The brake system provided in embodiments of this application includes a master cylinder, a first booster, and a second booster. The brake system provided in embodiments of this application can implement rich braking functions by using the first booster or the second booster. In addition, the brake system provided in embodiments of this application has a multi-redundancy design. This can ensure that the brake system can still meet a plurality of braking function requirements of a vehicle when a controller or a key solenoid valve fails, improve safety of the brake system, ensure pedal feeling of a driver, and bring more stable and comfortable driving experience to the driver, which is suitable for brake systems of intelligent and electric vehicles.

Abstract: A display substrate and a display apparatus are provided. The display substrate includes a plurality of sub-pixels, and pixel driving circuits of sub-pixels form M pixel rows and N pixel columns; the display substrate includes a first initialization signal line and a second initialization signal line; the pixel driving circuits include a plurality of transistors and a light-emitting device, and the transistors include driving transistors; the light-emitting device includes a first electrode, wherein the first initialization signal line is respectively electrically connected with the mth row of sub-pixels, and is configured to transmit a first initialization signal to a control electrode of a driving transistor of the mth row of sub-pixels; the second initialization signal line is respectively electrically connected with the (m?1)th row of sub-pixels, and is configured to transmit a second initialization signal to a first electrode of a light-emitting device of the (m?1)th row of sub-pixels.

Abstract: A solar cell string production equipment includes first and second conveying devices, first and second carrying devices, and a transfer device. The first conveying device has a first continuous conveyor belt, the second conveying device has a second continuous conveyor belt, and the first and second continuous conveyor belts can turn and convey in the vertical direction. Back and front films are laid on the first conveying device. The first conveying device can transport the back film on the first continuous conveyor belt to the second continuous conveyor belt. The transfer device can transport the pressing tool from the terminal of the second continuous conveyor belt to the front film on the first continuous conveyor belt. The second carrying device can transport the pressing tool and front film stacked together to the second continuous conveyor belt. A solar cell string production method is further provided.

Abstract: A power converter having a boosting mechanism with a multi-shaft vertically stepped turbine includes: a shaft sleeve, a water inlet end base, an outer sleeve, a plurality of first stepped turbine units, a plurality of first shaft rods, a plurality of second stepped turbine units, a plurality of second shaft rods and a third shaft rod. The first stepped turbine unit is located above the second stepped turbine unit. The second stepped turbine units and the first stepped turbine units rotate in opposite directions. During a drainage process, water flows move in opposite directions and collide with each other to increase a water pressure. Due to the increase in the water pressure, rotational speeds of the first stepped turbine units and the second stepped turbine units increase, and rotational speeds of the first shaft rods and the second shaft rods correspondingly increase.

Abstract: The present application relates to the field of semiconductor manufacturing technologies, and in particular to a method and an apparatus for automatically processing wafers. The method for automatically processing the wafers includes the following steps: providing several wafers, wherein the wafers operate on a primary path, and the primary path is a path for forming semiconductor structures on the surfaces of the wafers; determining whether there is a need for detecting defects of the wafers, and if yes, automatically switching an operating path of the wafers to a secondary path; detecting the defects of the wafers in the secondary path; and determining whether the defect detection on the wafers is finished, and if yes, automatically switching the operating path of the wafers to the primary path. The application makes it possible to automatically detect the defects of the wafers with different SWR conditions, thereby improving the automation degree of machines.

Abstract: Embodiments of the present disclosure relate to multimedia processing method, apparatus, device and medium, wherein the method includes: presenting a first multimedia interface comprising first content; receiving an interface switching request of a user in the first multimedia interface; and switching from the first multimedia interface currently presented to a second multimedia interface, and presenting second content in the second multimedia interface, wherein the first content comprises the second content and other content associated with the second content, and the second content comprises a target audio and a target subtitle corresponding to the target audio.

Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate, a pixel circuit layer and an anode layer; the pixel circuit layer includes a plurality of pixel driving circuits, the anode layer includes a plurality of anode groups, each of the plurality of anode groups includes a first anode and a second anode which are oppositely arranged, the first anode includes a first main body portion and a first connection portion, the first anode further includes an extension portion and an anode compensation portion, an orthographic projection of the anode compensation portion on the base substrate covers one thin film transistor in the pixel driving circuit connected to the first connection portion.

Abstract: A display substrate, a manufacturing method thereof and a display apparatus are provided. The display substrate includes: a base substrate; a sealant on the base substrate; and a contact layer between the base substrate and the sealant, the contact layer being in contact with the sealant. In the display substrate, a contact layer surface of the contact layer, which is away from the base substrate, is not flat at a contact position where the contact layer is in contact with the sealant.

Abstract: A power converter having a boosting mechanism with a multi-shaft vertically stepped turbine includes: a shaft sleeve, a water inlet end base, an outer sleeve, a plurality of first stepped turbine units, a plurality of first shaft rods, a plurality of second stepped turbine units, a plurality of second shaft rods and a third shaft rod. The first stepped turbine unit is located above the second stepped turbine unit. The second stepped turbine units and the first stepped turbine units rotate in opposite directions. During a drainage process, water flows move in opposite directions and collide with each other to increase a water pressure. Due to the increase in the water pressure, rotational speeds of the first stepped turbine units and the second stepped turbine units increase, and rotational speeds of the first shaft rods and the second shaft rods correspondingly increase.

Abstract: One example method includes running, by the first device, a first application, and identifying a first scenario; and sending, by the first device, a first message to a second device by using a short-range wireless communication technology, where the first message carries an identifier of the first application and an identifier of the first scenario, and the first application is installed on the first device.

Abstract: The present disclosure provides a solid waste treatment method, including following steps: screening off masses having a particle size greater than 0.5 cm from solid waste; adding extraction agents to the solid waste and then heating and stirring so that the solid waste is fully dispersed in the extraction agents; placing the mixed extraction agent in a centrifuge and centrifuging the mixed extraction feeding liquid phase separated by centrifuging into a rectification tower for rectification and cooling, recovering residual oil substances in a rectification kettle, separating mixture of cooled extraction agents and water, continuously adding the separated extraction agents into an extraction kettle for cyclic extraction, and conveying sewage to a sewage treatment plant to treat and discharging the sewage after the sewage reaches a treatment standard.

Abstract: The present disclosure provides a solid waste treatment method, including following steps: screening off masses having a particle size greater than 0.5 cm from solid waste; adding extraction agents to the solid waste and then heating and stirring so that the solid waste is fully dispersed in the extraction agents; placing the mixed extraction agent in a centrifuge and centrifuging the mixed extraction; feeding liquid phase separated by centrifuging into a rectification tower for rectification and cooling, recovering residual oil substances in a rectification kettle, separating mixture of cooled extraction agents and water, continuously adding the separated extraction agents into an extraction kettle for cyclic extraction, and conveying sewage to a sewage treatment plant to treat and discharging the sewage after the sewage reaches a treatment standard.

Abstract: A display device and a method for forming the same are provided. The display device includes a backlight module, a display panel, an optical film, and a cladding layer arranged in a stack-up manner. The cladding layer is configured to fix the backlight module and the display panel. The cladding layer includes a first portion and a second portion. The first portion is at a light-emitting side of the display panel, at least a part of the first portion is located between the display panel and the optical film, and the second portion is a lateral surface of the backlight module.

Abstract: A display device and a method for forming the same are provided. The display device includes a backlight module, a display panel, an optical film, and a cladding layer arranged in a stack-up manner. The cladding layer is configured to fix the backlight module and the display panel. The cladding layer includes a first portion and a second portion. The first portion is at a light-emitting side of the display panel, at least a part of the first portion is located between the display panel and the optical film, and the second portion is a lateral surface of the backlight module.

Abstract: A rope winder, which has a rack, and a winding drum set on the rack that releases and retracts a rope. The rope includes a first turning wheel, an electronic counter, a calculating unit, a speed regulating unit and a control unit. The turning wheel has a groove which fits the rope. A petroleum instrument salvaging system which includes the rope winder and rope. One end of the rope is wound on the winding drum of the rope winder. A petroleum instrument hoisting system which includes the rope winder and a rope of which one end is wound on a winding drum of the rope winder.

Abstract: The present invention discloses a petroleum instrument hoisting system and a hoisting head, which is used for hoisting a petroleum instrument.

Abstract: The present invention discloses a petroleum instrument salvaging connector, which is set on a salvage end of a petroleum instrument, for being in hooking fit with a salvaging head of a petroleum instrument salvaging device. The petroleum instrument salvaging connector comprises a salvaging connector body (11); the salvaging connector body (11) has a stair-shaped salvaging hole; the stair-shaped salvaging hole is a blind hole and comprises a large-caliber section (111) and a small-caliber section (112); the large-caliber section (111) is located at the bottom of the stair-shaped salvaging hole, and a hooking face (113) facing the bottom of the large-caliber section (111) is formed at the jointing part between the large-caliber section (111) and the small-caliber section (112); and a sand outlet (116) is set at the bottom of the sidewall of the large-caliber section (111). The invention further discloses a petroleum instrument.

Abstract: The present invention provides an electrical connector comprising a socket and a plug. A jack is set on the socket, and a socket pin is set in the jack. The plug is set with a plug pin that has a one-to-one correspondence with the socket pin. The plug has an insertion part that is in insertion fit with the jack, and the end part of the insertion part is set with a first groove that extends along its insertion direction. The plug pin has a one-to-one correspondence with the first groove, and has an exposed part that is exposed in the first groove. The electrical connector further comprises a first compression spring, which has a one-to-one correspondence with the first groove. The two ends of the first compression spring respectively abut against the inner wall of the two ends of the first groove. The first compression spring is detachably mounted on and contact the exposed part in the corresponding first groove.