Abstract: An adjustable cavitator structure has a cavitator disposed at a head end of the underwater vehicle. The cavitator has a cavitator body, a center of which is connected to the head center of the underwater vehicle through a damper. The front end of the cavitator body is detachably connected with a head fairing device. The cavitator body is of a double-layer structure including a first layer and a second layer. A plurality of cavitator disc face retractable sheets are installed on the first layer and the second layer and are evenly distributed around the axis of the cavitator body, and are slidably connected with the corresponding first layer or second layer. A buffer driving mechanism for driving the cavitator disc face retractable sheets to slide in a radial direction of the cavitator body is installed at the head end of the underwater vehicle.

Abstract: An array substrate includes a first substrate; and a first electrode and a second electrode disposed on the first substrate and located in a sub-pixel region. At least one of the first electrode and the second electrode includes a plurality of electrode strips. Every two adjacent electrode strips in the first electrode and the second electrode have a slit therebetween. The slit includes a first end portion, a straight portion, and a second end portion connected in sequence. A bend is formed at a connection position of the first end portion and the straight portion, and the second end portion is formed by protruding from the straight portion. The straight portion includes a first edge and a second edge parallel to each other, and an average width of the first end portion in a direction perpendicular to the first edge is less than a width of the straight portion.

Abstract: A display substrate includes a first display region, a second display region, and a frame region. Light-emitting devices include first light-emitting devices in the first display region and second light-emitting devices in the second display region. Pixel drive circuits include first pixel drive circuits in the frame region and second pixel drive circuits in the second display region. The first pixel drive circuits are electrically connected to the first light-emitting devices. The second pixel drive circuits are electrically connected to the second light-emitting devices. Each of shift registers cascaded in the frame region is connected to the first pixel drive circuits and the second pixel drive circuits which are electrically connected to one row of first light-emitting devices and the same one row of second light-emitting devices respectively.

Abstract: Embodiments of the present application provide a case of a battery, a battery, a power consumption device, and a method and device for preparing a battery. The case includes: an electrical chamber configured to accommodate a plurality of battery cells and a bus component, where at least one battery cell of the plurality of battery cells includes a pressure relief mechanism; a thermal management component configured to accommodate a fluid to adjust temperatures of the plurality of battery cells; and a collection chamber configured to collect, when the pressure relief mechanism is actuated, emissions from the battery cell provided with the pressure relief mechanism; where the thermal management component is configured to isolate the electrical chamber from the collection chamber. According to the technical solutions of the embodiments of the present application, the safety of the battery can be enhanced.

Abstract: Coarse particle flotation equipment and method based on coupled fluidization of cyclone and damping are provided. The flotation equipment includes a flotation column. A raw ore feed pipe is provided in an upper part of the flotation column. The flotation column is sequentially divided into a mine tailing bottom launder area, a cyclone mineralization area and a static separation area from bottom to top. A plurality of water-gas mixing jet pipes which are obliquely arranged inwardly and upwardly and communicated with an inner cavity of the flotation column being provided at a side wall of the cyclone mineralization area, jet directions of the plurality of water-gas mixing jet pipes are distributed clockwise or anticlockwise around an axis of the flotation column, and a damping element for reducing turbulence of a water flow is further provided between the cyclone mineralization area and the static separation area.

Abstract: A display panel and a display device are provided. The display panel includes: a base substrate, having a first display region and a second display region, the first display region is located at at least one side of the second display region; a plurality of first pixel circuits, located in the first display region; a plurality of first light-emitting elements, located in the first display region to each drive at least one first light-emitting element; a plurality of second pixel circuits, located in the first display region; a plurality of second light-emitting elements, located in the second display region to each drive at least one second light-emitting element; and a plurality of conductive lines, the second pixel circuit is connected to the second light-emitting element through at least one conductive line.

Abstract: The present disclosure provides an active pixel sensor and a flat panel detector. The active pixel sensor includes: a light sensing device configured to convert light sensed by the light sensing device into charges and supply the charges to a floating diffusion node; an amplification sub-circuit configured to amplify a signal according to a potential at the floating diffusion node and output the amplified signal through the output terminal; an adjustment sub-circuit configured to adjust, in response to a first control signal, a conversion gain from an amount of the light sensed by the light sensing device to the potential at the floating diffusion node; and a read sub-circuit configured to transmit a voltage of the input terminal of the read sub-circuit to the output terminal of the read sub-circuit according to a scan signal provided by the scan line.

Abstract: An image sensing device and a control device of an illumination device thereof are provided. The control device includes a control circuit, an operation circuit, and multiple driving signal generators. The control circuit generates multiple control signals. The operation circuit performs a logical operation on the control signals and an image capturing signal to generate multiple operation results. The driving signal generator respectively provides multiple driving signals to the illumination device according to the operation results, and the driving signals respectively have multiple different output powers.

Abstract: An image parsing method includes obtaining feature information of an initial image, parsing first feature information in the feature information using a first channel to obtain a first prediction result, parsing second feature information in the feature information using a second channel to obtain a second prediction result, where a size of the first feature information meets a first size range, a size of the second feature information meets a second size range, and the first size range is less than the second size range, and outputting the first prediction result and the second prediction result as a parsing result of the initial image.

Abstract: The present disclosure relates to a feedforward structure for controlling water level, in particular to a feedforward structure for controlling a steam drum water level in a steam turbine FCB test and a control method therefor. The feedforward structure includes a steam drum provided with a steam drum water level measurement sensor therein, a feed water pipe provided with a feed water flow measurement sensor therein, and a steam inlet pipe provided with a steam flow measurement sensor therein. A steam drum water level measurement value I in the steam drum water level measurement sensor is compared with a set value of the steam drum water level.

Abstract: A high-dimensional data nearest-neighbor query method based on variable-length hash codes is disclosed. Specifically, in this method, hash codes with the same code frequency are taken as a sub-data set, all the sub-data sets are ranked, a compression ratio is set for each sub-data set, the sub-data sets are compressed and trained according to the compression ratios, and hash codes and original codes corresponding to the trained sub-data sets are obtained; the hash code of each trained sub-data sets is copied to obtain multiple replicas, and the original codes and the corresponding replicas are strung to obtain strung hash codes which are integrated to form a final nearest-neighbor query table; and, a query code is obtained, and the nearest-neighbor query table is searched for a nearest-neighbor data set to complete query. The query efficiency and accuracy are greatly improved according to the invention.

Abstract: An information processing method includes establishing a connection between a first electronic device and a second electronic device; receiving display data through a first transmission channel, the display data corresponding to a display image of the second electronic device; displaying the display image in a first display area of the first electronic device; and receiving first input information and second input information. The method further includes converting the second input information into a control instruction; if the first input information being in the first display area: converting the first input information into conversion information and transmitting the conversion information and the control instruction through a second transmission channel to cause the second electronic device to respond to the control instruction; and if the first input information being in a second display area, responding to the control instruction based on the first input information by the first electronic device.

Abstract: The present disclosure relates to a feedforward structure for controlling water level, in particular to a feedforward structure for controlling a steam drum water level in a steam turbine FCB test and a control method therefor. The feedforward structure includes a steam drum provided with a steam drum water level measurement sensor therein, a feed water pipe provided with a feed water flow measurement sensor therein, and a steam inlet pipe provided with a steam flow measurement sensor therein. A steam drum water level measurement value I in the steam drum water level measurement sensor is compared with a set value of the steam drum water level.

Abstract: An image parsing method includes obtaining feature information of an initial image, parsing first feature information in the feature information using a first channel to obtain a first prediction result, parsing second feature information in the feature information using a second channel to obtain a second prediction result, where a size of the first feature information meets a first size range, a size of the second feature information meets a second size range, and the first size range is less than the second size range, and outputting the first prediction result and the second prediction result as a parsing result of the initial image.

Abstract: The present application provides a heat sink, including: a heat dissipation plate and at least one heat dissipation tube, the heat dissipation tube further including a first tube section. The bent part and a second tube section, with the first tube section of the heat dissipation tube is at least partially embedded in the heat dissipation plate and the second tube section is arranged outside the heat dissipation plate. The first tube section and the second tube section are parallel to each other and connected via the bent part. The heat dissipation tube is provided with at least one cooling fin extending outwards from an outer wall of the heat dissipation tube. In addition, a frequency converter employs the heat sink in an embodiment. The heat sink of at least one embodiment has high heat dissipation efficiency and a small volume.

Abstract: Provided are an electronic seal label apparatus, an electric motor assembly with the electronic seal label apparatus, and an electronic seal label verification method. The electronic seal label apparatus includes: a magnet configured on a first component; and a sensing element configured on a second component and fixed opposite the magnet. When relative motion takes place between the first component and the second component, the sensing element generates a first signal according to the Wiegand effect, so that a disassembly or assembly state between the first component and the second component, which can be removed from each other, can be detected automatically.

Abstract: A device includes a semiconductor substrate having a front side and a backside. A photo-sensitive device is disposed at a surface of the semiconductor substrate, wherein the photo-sensitive device is configured to receive a light signal from the backside of the semiconductor substrate, and convert the light signal to an electrical signal. An amorphous-like adhesion layer is disposed on the backside of the semiconductor substrate. The amorphous-like adhesion layer includes a compound of nitrogen and a metal. A metal shielding layer is disposed on the backside of the semiconductor substrate and contacting the amorphous-like adhesion layer.

Abstract: An information processing method includes establishing a connection between a first electronic device and a second electronic device; receiving display data through a first transmission channel, the display data corresponding to a display image of the second electronic device; displaying the display image in a first display area of the first electronic device; and receiving first input information and second input information. The method further includes converting the second input information into a control instruction; if the first input information being in the first display area: converting the first input information into conversion information and transmitting the conversion information and the control instruction through a second transmission channel to cause the second electronic device to respond to the control instruction; and if the first input information being in a second display area, responding to the control instruction based on the first input information by the first electronic device.