Abstract: Provided in the embodiments of the present application are a target object detection method and apparatus, and an electronic device and a computer storage medium. The method comprises: when it is determined that a robot arm picks up a target object from any turnover box and the height of the target object is greater than the height of the turnover box, performing target tracking on the target object to obtain real-time position information of the target object; and when it is determined, according to the real-time position information of the target object, that the target object falls from the robot arm, determining an area in which the target object is located according to position information of the target object at the current moment and area position information, wherein the area position information comprises areas in which various types of turnover boxes are located.

Abstract: A perovskite solar battery, including a transparent conductive glass substrate, a hole transport layer, a perovskite light-absorbing layer, an electron transport layer, and an electrode are described. The hole transport layer is a nickel oxide hole transport layer. Simple-substance nickel exists on a contact surface of the hole transport layer in contact with the perovskite light-absorbing layer. On the contact surface of the hole transport layer in contact with the perovskite light-absorbing layer, a ratio between simple-substance nickel and trivalent nickel is 85:15 to 99:1, optionally 90:10 to 99:1, and further optionally 95:5 to 99:1. This application further provides a method for preparing a perovskite solar battery.

Abstract: This disclosure relates to a folding module and a foldable electronic device. A first protrusion and a first sliding slot are provided between a drive portion and a first connection member. A second protrusion and a second sliding slot are provided between the drive portion and a second connection member. A first drive spring and a second drive spring press against the drive portion. In a process in which the first support member folds or unfolds relative to the second support member, folding or unfolding can be implemented provided that the first support member and the second support member rotate by a relatively small angle, so that a speed of folding or unfolding of the first support member relative to the second support member is increased.

Abstract: Provided are a perovskite betavoltaic-photovoltaic battery. The battery includes a first electrode, a first charge transport layer, a perovskite layer, a second charge transport layer, and a second electrode in sequence. The first electrode is a transparent electrode. The first charge transport layer is an electron transport layer and the second charge transport layer is a hole transport layer, or, the first charge transport layer is a hole transport layer and the second charge transport layer is an electron transport layer. The perovskite layer is doped with a fluorescent substance. At least one of the first electrode, the first charge transport layer, the second charge transport layer, or the second electrode is radioactive. When the first electrode and/or the second electrode is radioactive, the first electrode and/or the second electrode is an irradiated electrode formed by compounding a radioactive source and a conductor material.

Abstract: The present disclosure discloses a rechargeable electrical heating device (1), comprising a flexible heat generator (1a) and a power source (1b) connected to the flexible heat generator (1a), wherein the flexible heat generator (1a) comprises: a first flexible substrate layer (11), a conductive line (12) comprising a positive line (121) and a negative line (122), a first heat generating line (13), a second flexible substrate layer (14), and a first connector (15), wherein the positive line (121) and the negative line (122) are not directly connected to each other, and wherein the positive line (121) is electrically connected to the negative line (122) by means of the first heat generating line (13).

Abstract: Wireless audio systems and methods for wirelessly communicating audio information are provided. The wireless audio system includes a first wireless transceiver and a second wireless transceiver. The first wireless transceiver includes a first communication module, a first codec, and a second communication module. The first communication module is configured to receive, from an audio source, first audio information. The first codec includes a first decoder configured to obtain second audio information by decoding the first audio information, and a first encoder configured to obtain third audio information by encoding the second audio information. The second communication module is configured to send the third audio information out. The second wireless transceiver includes a third communication module configured to receive the third audio information from the first wireless transceiver.

Abstract: The present disclosure discloses a flexible heat generator (1), comprising: a first flexible substrate layer (11), a first conductive line (12) comprising a first positive line (121) and a first negative line (122), a first heat generating line (13), a second flexible substrate layer (14), and a first connector (15), wherein the first positive line (121) and the first negative line (122) are not directly connected to each other, and wherein the first positive line (121) is electrically connected to the first negative line (122) by means of the first heat generating line (13). The present disclosure further discloses a method of manufacturing such flexible heat generator (1).

Abstract: The present disclosure provides a battery, a power consuming apparatus, and a method for manufacturing a battery. The battery may include a temperature sampling assembly and at least one battery cell. The temperature sampling assembly may include a shell, one end of the shell may be provided with an opening configured to receive a sampling signal line, the temperature sampling assembly may be mounted on the battery cell, and the opening may be provided in a downwardly inclined direction.

Abstract: A dynamic calculation method and device of electric vehicle mass includes acquiring status data of a vehicle to be measured during an accelerating driving period, the status data including time, speed, height, gravitational acceleration, effective driving power and resistance power; according to the status data information, calculating the total output work, the total resistance work, the total potential energy change amount and the kinetic energy change amount of the vehicle to be measured during the accelerating driving period. Calculating, on the basis of the total output work of a vehicle drive motor being equal to the sum of the total resistance work, a total potential energy change amount of the vehicle in height and the kinetic energy change amount of the vehicle, the mass of the vehicle to be measured.

Abstract: A flexible display module and a display device are provided. The flexible display module includes: a flexible substrate; a display layer, disposed on the flexible substrate; a reinforcement layer, disposed on a side of the display layer distal to the flexible substrate; a protective layer, disposed on a side of the reinforcement layer distal to the flexible substrate; a polarizing layer, disposed between the display layer and the reinforcement layer; a touch layer, disposed between the polarizing layer and the display layer; and a base film, disposed on a back surface of the flexible substrate; wherein material of the reinforcement layer comprises glass and a thickness of the reinforcement layer ranges from 10 ?m to 150 ?m.

Abstract: A heat dissipation assembly and an electric energy conversion apparatus are disclosed according to the present application. The heat dissipation assembly comprises a side cover connected to the electric energy conversion apparatus and an air outlet cover, a heat dissipation passage is formed by enclosure of the side cover and one side surface of the electric energy conversion apparatus, the side cover is provided with an air inlet in communication with the heat dissipation passage; the air outlet cover is arranged at the top of the electric energy conversion apparatus and partially connected with the side cover, and an air outlet space is formed by enclosure of the air outlet cover, the air outlet space is in communication with the heat dissipation passage, the air outlet cover is provided with an air outlet at an outer peripheral side of the air outlet cover away from the electric energy conversion apparatus.

Abstract: An e-cigarette cartridge includes a housing with an air inlet and an air outlet; and the housing is provided with a liquid storage cavity, a porous body, a vaporization cavity, a heating element, a support frame, and a vapor output channel, where the vaporization cavity is in airflow communication with the air inlet; the support frame is constructed to provide the porous body with support and holding; and the vapor output channel includes a first channel part and a second channel part that are formed on the support frame and extend in a width direction of the housing. One end of the first channel part is in communication with the vaporization cavity and the other end is in communication with the air outlet; one end of the second channel part is in airflow communication with the vaporization cavity and the other end is in airflow communication with the air outlet.

Abstract: The present invention relates to a pyrimidine derivative, a method for preparing same and use thereof in medicine. In particular, the present invention relates to a pyrimidine derivative represented by general formula (I), a method for preparing same and a pharmaceutically acceptable salt thereof as well as use thereof as a therapeutic agent, in particular as a FGFR4 kinase inhibitor, definitions of each substituent in the general formula (I) being the same as those defined in the description.

Abstract: Methods and apparatus for processing a substrate are provided herein. For example, a method for processing a substrate comprises forming a plasma reaction between titanium tetrachloride (TlCl4), hydrogen (H2), and argon (Ar) in a region between a lid heater and a showerhead of a process chamber or the showerhead and a substrate while providing RF power at a pulse frequency of about 5 kHz to about 100 kHz and at a duty cycle of about 10% to about 20% and flowing reaction products into the process chamber to selectively form a titanium material layer upon a silicon surface of the substrate.