Abstract: A display device includes: a display housing, including a first main housing and a second main housing, where a width of the first main housing is greater than a width of the second main housing; a folding mechanism, located between the first main housing and the second main housing, and respectively connected with an edge of the first main housing along a length direction and an edge of the second main housing along the length direction, where the first main housing and the second main housing are switchable between folding and unfolding; and a flexible display screen, respectively connected with the first main housing and the second main housing, and provided with a binding area, where the binding area is located at one side of the first main housing in the length direction.

Abstract: Provided is a wearable device. The wearable device comprises a sliding display apparatus, a base, and a watchband, wherein two ends of the watchband are connected to the base. The sliding display apparatus comprises a fixed portion, a movable portion, a flexible display panel, and a connecting assembly. The fixed portion is connected to the base. The movable portion is slideable in a first direction relative to the fixed portion and is connected to the fixed portion. The flexible display panel is connected to the fixed portion and the movable portion. The connecting assembly comprises an elastic connector connected between the fixed portion and the movable portion, and the elastic connector provides an acting force for urging the movable portion and the fixed portion to approach each other in the first direction.

Abstract: A display device is provided. The display device includes: a fixed housing, a slide housing, a slide assembly, a connection assembly, and a flexible display panel; wherein the flexible display panel comprises a planar display portion and a curved display portion; the slide housing is slidably connected to the fixed housing, and the slide housing is capable of sliding relative to the fixed housing in a first direction away from the fixed housing or in a direction opposite to the first direction; the slide assembly comprises a first slideway and a second slideway; and the connection assembly comprises a first slide structure and a second slide structure.

Abstract: A method for deformation measurement is provided. When the mobile platform moves to a first monitoring position in an area to-be-measured, a first image is obtained by photographing J1 monitoring points in a first area to-be-measured in the area to-be-measured, and a second image is obtained by J2 monitoring points in a second area to-be-measured in the area to-be-measured. When the mobile platform moves to a second monitoring position, a third image is obtained by photographing the J1 monitoring points, and a fourth image is obtained by photographing the J2 monitoring points. J1 first monitoring points are determined according to the first image and the third image, and J2 second monitoring points are determined according to the second image and the fourth image. A horizontal displacement amount and a vertical subsidence amount of each of the J1 first monitoring points and the J2 second monitoring points are obtained.

Abstract: Provided are an anti-CAIX single-domain antibody and a VHH chain thereof, as well as related coding sequence, expression vector and host cell; also provided are a production method for said CAIX single-domain antibody and an application thereof.

Abstract: A display device includes a support shell, a roller, a first support plate, a second support plate, at least one group of track support assemblies, and a flexible display panel. A plurality of support bars arranged in an array between the first support plate and the second support plate. A first planar display portion is fixedly connected to the first support plate, a second planar display portion is fixedly connected to the second support plate, and a curled display portion is in contact with at least part of the plurality of support bars but is not connected to the at least part of the plurality of support bars.

Abstract: A Direct Current (DC)-DC converter, a chip, and an electronic device are provided. The DC-DC converter includes an upper power transistor, a lower power transistor, an inductor, a bootstrap capacitor, a first transistor, a charging control circuit, a drive control circuit, and a driver circuit. Both ends of the bootstrap capacitor are respectively coupled to a first node and a first electrode of the first transistor. The charging control circuit is configured to generate a charging control voltage according to a Pulse Width Modulation (PWM) signal. When the PWM signal is at a first level, the charging control voltage is set to a voltage at the first electrode of the first transistor, and when the PWM signal is at a second level, the charging control voltage is set to a voltage at the first node. A control electrode of the first transistor is provided with the charging control voltage.

Abstract: An display panel, including: a flexible display substrate; a circuit board on a back side of the flexible display substrate, wherein the circuit board is bonded and connected to the flexible display substrate, and is provided with a circuit device on a back side of the circuit board far away from the flexible display substrate; an auxiliary bending protection structure on the back side of the flexible display substrate, wherein the auxiliary bending protection structure is fixedly connected to the back side of the flexible display substrate, and the circuit device is in a region where the auxiliary bending protection structure is located.

Abstract: Provided is a wearable device. The wearable device comprises a sliding display apparatus, a base, and a watchband, wherein two ends of the watchband are connected to the base. The sliding display apparatus comprises a fixed portion, a movable portion, a flexible display panel, and a connecting assembly. The fixed portion is connected to the base. The movable portion is slideable in a first direction relative to the fixed portion and is connected to the fixed portion. The flexible display panel is connected to the fixed portion and the movable portion. The connecting assembly comprises an elastic connector connected between the fixed portion and the movable portion, and the elastic connector provides an acting force for urging the movable portion and the fixed portion to approach each other in the first direction.

Abstract: Disclosed are chemically end-capped polypiperazine pyrophosphate-modified ammonium polyphosphate with high temperature resistance and precipitation resistance, a preparation method therefor, and an apparatus and application thereof. The chemically end-capped polypiperazine pyrophosphate-modified ammonium polyphosphate flame retardant is formed by polypiperazine pyrophosphate modification based on ammonium polyphosphate, followed by end capping; and the polypiperazine pyrophosphate is prepared by polymerization of an intermediate piperazine diphosphate obtained through dehydration condensation of phosphoric acid and piperazine. The chemically end-capped polypiperazine pyrophosphate-modified ammonium polyphosphate flame retardant of the present solution is prepared by using special equipment, which ensures whiteness and thermal stability of product, and improves properties of ammonium polyphosphate.

Abstract: An LDO circuit and method with constant power consumption without internal compensation capacitor, the circuit including: a power supply module, which supplies power to the LDO circuit based on a power supply and a current mirror; a bias module, which implements current bias based on a bias current and a current mirror; an output voltage divider feedback module, which feeds back the output voltage divider to the operational amplifier module based on a voltage divider resistor; an input voltage divider feedback module, which feeds back the input voltage divider to the operational amplifier module based on a voltage divider resistor; an operational amplifier module, which, based on input voltage divider feedback and output voltage divider feedback, sets the value of the offset resistor so that the output tube is always in the saturation zone, thereby achieving the purpose of keeping the circuit power consumption constant.

Abstract: Disclosed are chemically end-capped melamine pyrophosphate with high temperature resistance and precipitation resistance, a preparation method and apparatus thereof, and an application thereof in flame-retardant nylon. End-capping treatment of melamine pyrophosphate enhances flame retardancy and precipitation resistance of a flame retardant, and melamine pyrophosphate is used for producing high-strength flame-retardant nylon, which improves product performance. A special flame-retardant preparation device is also used, and appropriate process flow and parameter design further improves comprehensive properties of the flame retardant, including whiteness and a 1% thermal decomposition temperature. The present technical solution can overcome technical defects of the melamine pyrophosphate flame retardant in the prior art including non-ideal properties in a flame retardant effect and stability, as well as difficulty to improve the comprehensive properties of the flame-retardant nylon.

Abstract: A battery module, a flexible display apparatus, and a mobile terminal are described. A battery module includes energy storage cells disposed along a first direction, a flexible connecting portion connected between adjacent energy storage cells for transmitting electric energy, and support housings corresponding to the energy storage cells in a one-to-one correspondence, a support housing being provided with an accommodation cavity that fits an energy storage cell. The first side of the support housing is provided with an opening, a width of the support housing in the first direction is gradually decreased from the second side to the first side, the second side is opposite to the first side. The battery module further includes a support spacer with preset flexibility, where the support housings are disposed on one side of the support spacer along the first direction, and connecting members with preset flexibility connected between adjacent supporting housings.

Abstract: The present disclosure provides a self-regulating electric heating film, including: an insulating isolation layer, an interdigital electrode arranged on the surface of the insulating isolation layer, a positive temperature coefficient coating covering the surface of a secondary electrode of the interdigital electrode, and an insulating protective layer covering the surface of a primary electrode of the interdigital electrode, wherein the positive temperature coefficient coating is not in contact with the primary electrode of the interdigital electrode, and the insulating protective layer overlaps the positive temperature coefficient coating.

Abstract: A method for deformation measurement is provided. When the mobile platform moves to a first monitoring position in an area to-be-measured, a first image is obtained by photographing J1 monitoring points in a first area to-be-measured in the area to-be-measured, and a second image is obtained by J2 monitoring points in a second area to-be-measured in the area to-be-measured. When the mobile platform moves to a second monitoring position, a third image is obtained by photographing the J1 monitoring points, and a fourth image is obtained by photographing the J2 monitoring points. J1 first monitoring points are determined according to the first image and the third image, and J2 second monitoring points are determined according to the second image and the fourth image. A horizontal displacement amount and a vertical subsidence amount of each of the J1 first monitoring points and the J2 second monitoring points are obtained.

Abstract: The present disclosure presents a device and method for monitoring and early warning of information perception regarding urban yellow mud water, featuring a rainfall collecting component, a video shooting component, a sediment content monitoring component, a water level monitoring component and a main controller. The video shooting component evaluates the long-term trend of yellow mud water production in a monitoring area by analyzing the color depth of captured water flow, sediment content in the pipeline's flow section, and meteorological rainfall data from the rainfall collecting component. Utilizing data on color, sediment content, flow section, and rainfall, this system achieves unsupervised real-time monitoring and precise early warning for yellow mud water. It provides a scientific basic for traceability, dynamic monitoring, and address challenges such as low measurement accuracy and omitted applicability found in existing methods.

Abstract: A support structure for a flexible display module is provided. The support structure for the flexible display module includes a plurality of brackets and a connecting assembly. The plurality of brackets are sequentially arranged in a first direction, and extend in a second direction, the second direction intersects the first direction. A connecting assembly is connected to two adjacent brackets, so that the two adjacent brackets are capable of rotating with each other in a set plane. The set plane is perpendicular to the second direction. The connecting assembly is configured to limit an included angle formed between the two adjacent brackets to be within a range of a first angle and a second angle, inclusive.

Abstract: A flexible display device is described, including: a flexible display panel; a flexible battery arranged at a side of the flexible display panel away from a light emitting surface; and a heat dissipation assembly including a first heat dissipation sheet, the first heat dissipation sheet being arranged at a side of the flexible battery facing or away from the flexible display panel, and the first heat dissipation sheet having a bendable area.

Abstract: A process for polymerizing at least one fluoromonomer in an aqueous medium containing initiator and hydrocarbon dispersing agent to form an aqueous dispersion of particles of fluoropolymer. The hydrocarbon dispersing agent comprises a compound of formula I: R—(XZ)n??I wherein R is a hydrophobic hydrocarbon moiety that comprises one or more saturated or unsaturated, non-cyclic or cyclic aliphatic groups, the percentage of total CH3 groups in relation to the total of CH3, CH2 and CH groups in said one or more aliphatic groups being at least about 70%, said hydrophobic moiety being free of siloxane units; wherein each X may be the same or different and represents an ionic hydrophilic moiety; wherein each Z may be a same or different and represents one or more counter ions for said ionic hydrophilic moiety; and wherein n is 1 to 3.

Abstract: A flexible display apparatus and a control method therefor. The flexible display apparatus comprises: a flexible display panel (10); a bending sensor (11), that is configured to sense bending information of the flexible display panel (10); and a processor, that is coupled to the bending sensor (11), configured to receive the bending information of the bending sensor (11), and determines whether the bending information is valid bending information, and if so, then a currently running application program is controlled according to the valid bending information to perform a corresponding operation. By bending the flexible display panel (10), an application program is controlled to perform a corresponding operation, achieving a convenient, accurate, and effective operation, and improving user experience.