Abstract: Disclosed are a driving method for a display device and the display device. In an image display process, when a brightness change is generated in a local area of a display image, a first brightness of a current display image is determined; a first driving current corresponding to the first brightness is determined according to the first brightness and the predetermined relationship between the brightness and a driving current; a duty ratio of the first driving current of each partition in a backlight module corresponding to areas other than the local area of the display image is adjusted; and a light source in each partition is driven by using the adjusted first driving current and duty ratio to emit light, such that the brightness of the display image in other areas is kept unchanged.

Abstract: A metal powder preparation system and method are provided. The metal powder preparation system includes a medium frequency smelting furnace, a homogeneous insulated quantitative pouring furnace, a precision-controlled liquid level temperature pouring ladle, and a plurality of groups of atomization mechanisms connected in sequence. The present application improves the preparation quality of the metal powder, so that the parameters such as the powder particle size, sphericity, fluidity, oxygen content, component distribution, and particle size distribution of the metal powder can all meet the requirements of high-quality metal additive manufacturing, achieving efficient and continuous preparation of the metal powder at the same time.

Abstract: An optical module including an optical transceiver component having a transceiver case and a first circuit board. The transceiver case is formed, at a first end, with a through-channel and, at a second end, with an insertion port for inserting the first circuit board, optical components including a laser chip, an optical modulation chip, an optical reception chip and the like are arranged in the transceiver case. The first circuit board has a notch. The optical modulation chip is located corresponding to the notch and includes an optical modulation film layer laid on a substrate. A first bonding pad is provided on the optical modulation film layer, which is electrically connected to the first circuit board; an arc-shaped optical waveguide is provided inside the optical modulation film layer, light inlet and outlet of which are located at the same end of the optical modulation film layer.

Abstract: The present disclosure discloses a non-isolated LLC resonant converter, comprising a first switch network module, a second switch network module, a resonance network module, a transformer module, a rectification network module and an output module, wherein via signals under drive control input on the first switch network module, the second switch network module and the rectification network module, it is controlled to realize zero-voltage switching (ZVS) and zero-current switching (ZCS) of a switch in a resonant state, thereby reducing switching loss of a switch unit, improving electric energy conversion efficiency and reducing production cost and power density, wherein simultaneously a quantity of turns of a primary winding of a transformer is saved, a loss of the primary winding of the transformer is reduced, a manufacturing cost of the power converter is reduced, simultaneously, a space of a transformer winding is saved, and design requirements of smaller volume are realized.

Abstract: A video stream transmission control method includes that: in response to detecting that a receiving time interval of two adjacent received video frames in multiple received video frames is less than an interval threshold, theoretical receiving time of a next video frame sent by a video stream sending device corresponding to the each received video frame is determined; multiple theoretical receiving times corresponding to the multiple video stream sending devices are sorted, and expected receiving time of a next video frame sent by each video stream sending device of the multiple video stream sending devices is determined according to a sorting result and interval adjustment time; and the video frame sending time interval of the each video stream sending device is adjusted according to the expected receiving time and the theoretical receiving time corresponding to the each video stream sending device.

Abstract: The invention relates to a particular substituted heterocycle fused gamma-carboline, in free, or pharmaceutically acceptable salt, and/or substantially pure form as described herein, pharmaceutical compositions thereof, and methods of use in the treatment of diseases involving the 5-HT2A receptor, the serotonin transporter (SERT), and/or pathways involving the dopamine D1 and D2 receptor signaling system.

Abstract: A five-membered-fused six-membered compound, and a preparation method therefor and a pharmaceutical composition and the use thereof. The five- and six-membered compound is a compound as shown in formula I, II or III. The compound has an inhibitory effect on FLT3 and/or IRAK4.

Abstract: Disclosed in the present application are an indole bipyrimidine compound, and an intermediate thereof, a preparation method therefor and use thereof. The indole bipyrimidine compound, as shown in formula I, or a pharmaceutically acceptable salt thereof provided in the present invention has a good inhibitory effect on an EGFR Del19/T790M/C797S mutation, and is expected to treat and/or prevent a variety of diseases mediated by EGFR.

Abstract: Embodiments herein relate to method performed by a radio-network node for handling a data transmission, from a wireless device to the radio-network node, in a wireless communication network. The radio-network node schedules one or more resources for carrying an uplink data transmission from the wireless device over a channel, and for carrying a feedback transmission, of a downlink data transmission from the radio-network node, over the same channel. The radio-network node transmits a control message to the wireless device, which control message indicates the one or more resources scheduled for carrying the uplink data transmission and the feedback transmission over the same channel.

Abstract: A program installation method and device, a storage medium, and a computer device are provided. The program installation method is executed after installing a driver program corresponding to a peripheral device through a first method. The first method includes automatically downloading a driver package and automatically installing the driver program in response to a connection signal of the peripheral device. The program installation method includes: installing an extension program in the driver package; and creating a shortcut of the extension program in a user interaction interface according to a device information file.

Abstract: A method for evaluating images of a printed pattern. The method includes obtaining a first averaged image of the printed pattern, where the first averaged image is generated by averaging raw images of the printed pattern. The method also includes identifying one or more features of the first averaged image. The method further includes evaluating the first averaged image, using an image quality classification model and based at least on the one or more features. The evaluating includes determining, by the image quality classification model, whether the first averaged image satisfies a metric.

Abstract: Disclosed in the present invention are a five-membered ring-fused six-membered ring compound, a preparation method therefor, and a pharmaceutical composition and the use thereof. Provided in the present invention is a compound as represented by formula (I), or a pharmaceutically acceptable salt or an isotope compound thereof. The compound of the present invention has an inhibition and/or degradation effect on IRAK4.

Abstract: An LED tube lamp comprises a glass tube; a diffusive layer covered on the glass tube; two end caps coupled to the glass tube; a light strip attached inside the glass tube and comprises a first set of connecting pads; a plurality of light sources; and a power supply module comprises a circuit board, a rectifying circuit, and a filtering circuit. The circuit board comprises a first surface, a second surface opposite to and substantially parallel to the first surface and the axial direction of the glass tube, and a second set of connecting pads arranged on one of the surfaces. The light strip, a portion of the circuit board being stacked with the light strip, and at least one set of the connecting pads is disposed between the light strip and the portion of the circuit board are stacked sequentially in a radial direction of the glass tube.

Abstract: A transmission system allowing a window to be opened in three directions includes a door hinge assembly, a guide wheel assembly, a lock assembly, a handle, a first transmission lever, a second transmission lever, an angle converter, a first gear tooth combination, a second gear tooth combination and a third gear tooth combination. The angle converter is connected at a position of the first transmission lever and a position of the second transmission lever located at corners of a window sash. The first gear tooth combination is arranged in the handle. The second gear tooth combination and the third gear tooth combination are connected to the top and the bottom of the window sash respectively. The lock assemblies are symmetrically provided at two sides of the second gear tooth combination and the third gear tooth combination.

Abstract: A deep learning fault diagnosis method includes the following steps: a fault diagnosis data set X is processed based on sliding window processing, to obtain a picture-like sample data set {tilde over (X)}, and obtain an attention matrix A of the picture-like sample data set {tilde over (X)}; and a 2D-CNN model is constructed to process the picture-like sample data set {tilde over (X)} to obtain a corresponding feature map F, and in the meantime, the feature map F is processed based on channel-oriented average pooling and channel-oriented maximum pooling to obtain an output P1 of the average pooling and an output P2 of the maximum pooling, and a weight matrix W is obtained based on the attention matrix A, the output P1 of the average pooling, and the output P2 of the maximum pooling, so that an output of the model is a feature map {tilde over (F)} based on an attention mechanism, where {tilde over (F)}=WF.

Abstract: A three-arm clip is provided, which relates to the technical field of medical devices. By providing self-locking slots and realizing self-locking between movable arms and a fixed portion in cooperation with sliding slot pins, a snap-fitting structure such as a limiting elastic sheet may not be added to the movable arms, so that the three-arm clip has a reduced outer diameter, and may pass through an endoscope with a small working channel.

Abstract: The application provides a backlight module, a display screen, a rearview mirror and a vehicle, and relates to the field of display technology, and the backlight module may greatly reduce a risk of separation between a reflection unit and a light-guide plate.

Abstract: Provided is a rear wiper assembly having a rear wiper arm, a cover, a joint, and a motion-stopping mechanism. A connector and a cover are hingedly connected to the rear end of the rear wiper arm. When the cover is in a closed state, it covers the connector; the motion-stopping mechanism has a first interference element and a second interference element, at least one of the interference elements being a flexible element; the first interference element is arranged on the rear wiper arm, and the second interference element is arranged on the cover, when the cover is in an open state and when the angle between the upper surface of the cover and the upper surface of the rear wiper arm is within a predetermined range, the interference elements interfere with each other, preventing the cover from turning over in the direction of the connector.

Abstract: Provided are a quinazoline compound, a composition, and an application thereof, in particular, a compound represented by formula (I), a stereoisomer thereof, a pharmaceutically acceptable salt thereof, a composition thereof, and an application thereof in the preparation for a drug that serves as a tyrosine kinase inhibitor. The compound represented by formula (I) has good inhibitory activity against EGFR and HER2 kinases.