Abstract: A monolithic integrated multi-segment cascade optical frequency comb and its chip are disclosed, which belongs to the technical field of sensing detection, quantum information and optical communication technology. The optical frequency comb includes a first semiconductor passive mode-locking laser, a semiconductor optical amplifier, and a second semiconductor passive mode-locking laser sequentially integrated and connected; the first semiconductor passive mode-locking laser includes a first reverse bias absorption area integrated with an optogalvanic distribution grating and a first gain cavity length extender (coupled multi-ring or multi-disk); the second semiconductor passive mode-locking laser includes a second reverse bias absorption area and a second gain cavity length extender (coupled multi-ring or multi-disk); each structure is connected to each other by electrical isolation grooves.

Abstract: A display substrate, a preparing method therefor, and a display apparatus are disclosed. The display substrate includes a display region (100), the display region (100) includes a plurality of sub-pixels, at least one sub-pixel includes a circuit unit disposed on the base substrate (101), the circuit unit at least includes a pixel drive circuit and a data signal line (60), the pixel drive circuit is connected with the data signal line (60); the base substrate (101) includes a base substrate conductive layer disposed between the first flexible layer (101A) and the second flexible layer (101C), the base substrate conductive layer at least includes a data fan-out line (70), and the data signal line (60) is connected with the data fan-out line (70) through a lapping via (DV1).

Abstract: An automatic leveling device of a 3D printer, and a 3D printer is provided. The automatic leveling device includes a photoelectric switch, an electromagnetic assembly and a probe assembly. The photoelectric switch is arranged in a housing and defines a photosensitive groove. The electromagnetic assembly is arranged in the housing and defines a sliding hole. The probe assembly is slidably engaged in the sliding hole, and an end of the probe assembly is engaged in the photosensitive groove. The electromagnetic assembly is capable of driving the probe assembly to make the end of the probe assembly move out of the photosensitive groove. The automatic leveling device has the advantages of simple structure, low manufacturing difficulty, low production cost, simple and stable leveling mode, high detection repetition accuracy and no complex circuit and software cooperation.

Abstract: Embodiments of the present disclosure provide a protective device for a submarine pipeline, comprising an internal pipeline, a protective casing, and a support explosion-proof assembly; wherein the protective casing is disposed outside the internal pipeline, and a cavity body is disposed between the protective casing and the internal pipeline; the support explosion-proof assembly is disposed in the cavity body; the support explosion-proof assembly includes a plurality of support columns, the support columns are disposed in the cavity body, and one end of the support columns away from the protective casing supported on the internal pipeline, the plurality of the support columns disposed at intervals in a circumferential direction along the internal pipeline, and an explosion-proof baffle with elastic deformation capability is disposed between two adjacent support columns.

Abstract: A near-eye display apparatus is disclosed. The near-eye display apparatus includes a lens and an optical path folding assembly. The lens is configured to receive incident light of a first image, which is projected by a micro-display, and shape the first image; the lens includes a primary optical axis and a first lens face and a second lens face which are opposed in a first direction where the primary optical axis of the lens is positioned, a curvature radius of the first lens face is within a range of 70 to 100 millimeters, and a curvature radius of the second lens face is within a range of 10 to 30 millimeters; and the optical path folding assembly is configured to receive light of the first image shaped by the lens and fold an optical path from the lens to an exit pupil of the near-eye display apparatus.

Abstract: The display drive circuit includes: an interface circuit for acquiring a plurality of grayscale data and a plurality of current gain data; a command processing circuit electrically coupled with the interface circuit; a cache circuit electrically coupled with the interface circuit and configured for caching the plurality of grayscale data and the plurality of current gain data; a current source circuit electrically coupled with the command processing circuit and including a plurality of channel current sources; a channel grayscale control circuit, electrically coupled with the command processing circuit, the cache circuit and the current source circuit, and configured for respectively controlling duration of turning on of the plurality of channel current sources according to the plurality of grayscale data; and a channel current control circuit electrically coupled with the cache circuit and the current source circuit, and configured for respectively controlling output currents of the plurality of channel curr

Abstract: A display panel includes a base substrate including a display area and a peripheral area surrounding the display area, the display area comprises a first display area and a second display area, the first display area at least partially surrounds the second display area; a plurality of first/second pixel circuits located in the first/second display area; a plurality of first initialization signal lines, located at least in the first display area and extending in a first direction, being electrically connected to the first pixel circuit and configured to transmit a first initial voltage signal to the first pixel circuit; a plurality of second initialization signal lines, located at least in the first display area and the second display area, and electrically connected to the second pixel circuit, configured to transmit a second initial voltage signal to the second pixel circuit; the first and second initial voltage signals being different.

Abstract: The present disclosure relates to novel glutarimide-containing compounds with KRAS mutant form degradation activities, pharmaceutical compositions containing such compounds, and their use in prevention and treatment of diseases and conditions.

Abstract: A shift register includes a first input sub-circuit being configured to transmit an input signal to a first node under control of a first clock signal; a second input sub-circuit being configured to transmit a first voltage signal to a second node under control of the first clock signal; a first control sub-circuit being configured to transmit a second clock signal to a third node under control of a voltage at the second node; a second control sub-circuit being configured to transmit the first voltage signal to a fourth node under control of a third clock signal; a noise reduction sub-circuit being configured to transmit the first voltage signal to a signal output terminal under control of a voltage at the fourth node; and an output sub-circuit being configured to transmit a second voltage signal to the signal output terminal under control of a voltage at the third node.

Abstract: The present disclosure relates to novel pan-KRAS glutarimide-containing compounds with KRAS degradation activities, pharmaceutical compositions containing such compounds, and their use in prevention and treatment diseases and conditions.

Abstract: An electronic device can receive battery charge level information from two different devices and select, between the different devices, which information to use to generate and present battery information on a display of the electronic device. When two separate devices are transmitted by a case and an earbud (or earbuds), the electronic device can receive and select from one of two source based upon the state of the case and the state of the earbud(s). Alternatively, based upon the state of the case and the earbud(s), the electronic device can merge the information received from the case and the earbuds, while also determining from the merged information which respective device transmitted the respective information. Further, the case can provide battery information on behalf of the earbuds when the earbuds are in the case, and the respective radio circuits are shut down. Alternatively, the earbuds can provide battery information on behalf the case.

Abstract: The present disclosure relates to novel SOS1 inhibitors, pharmaceutical compositions containing such compounds, and their use in prevention and treatment of cancer and related diseases and conditions.

Abstract: Disclosed is a display substrate, which includes a base substrate, a plurality of first-region light emitting elements and a plurality of first-region pixel circuit. The base substrate includes a display region and a peripheral region at least partially surrounding the display region, wherein the display region includes a transparent display region. A plurality of first-region light emitting elements and a plurality of first-region pixel circuits are located in the transparent display region. At least one first-region pixel circuit of the plurality of first-region pixel circuits is electrically connected with at least two first-region light emitting elements emitting light in a same color. An orthographic projection of at least one first-region pixel circuit on the base substrate is overlapped with an orthographic projection of at least one first-region light emitting element on the base substrate.

Abstract: The present disclosure provides a shift register unit and a driving method therefor, a gate drive circuit, and a display device, belonging to the field of display technologies. In the shift register unit, a first input circuit can control a potential of a first node under control of a first clock signal provided by a first clock terminal and control a potential of a third node under control of a potential of a second node. A second input circuit can control the potential of the second node under control of the first clock signal, an input control signal provided by an input control terminal, the potential of the third node, and the potential of the first node. An output circuit can transmit a pull-up power signal at a high potential or a pull-down power signal at a low potential to an output terminal under control of the third node.

Abstract: A system for automatically measuring an exhaust area of a turbine guide vane, including a data acquisition module configured to measure a three-dimensional point cloud coordinate of a contour of a throat; a positioning module configured to automatically adjust a relative spatial position between the data acquisition module and the turbine guide vane; and a data processing module configured to fit a three-dimensional contour of the throat according to the three-dimensional point cloud coordinate measured by the data acquisition module. A method for automatically measuring an exhaust area of a turbine guide vane using the system is also provided.

Abstract: The present disclosure provides a display substrate, a method of manufacturing a display substrate, and a display device. The display substrate includes: a base substrate; a color filter layer arranged on the base substrate, wherein the color filter layer includes a plurality of sub-color filters; and a monochromatic filter layer arranged on a side of the color filter layer away from the base substrate, wherein the monochromatic filter layer is formed as a filter layer with a fourth primary color, one of the first primary color, the second primary color and the third primary color is the same as the fourth primary color, or the first primary color, the second primary color, the third primary color and the fourth primary color are different from each other.

Abstract: The present disclosure relates to novel quinolinone-8-carbonitrile based compounds, pharmaceutical compositions containing such compounds, and their use in prevention and treatment of cancer and related diseases and conditions. The compounds disclosed herein exhibit androgen receptor degradation activity.

Abstract: A patch panel includes: a patch panel body, each end of which is provided respectively with a first rotation connect; two patch clamps, mounted respectively on each end of the patch panel body; and a cover panel, each end of which is provided respectively with a second rotation connect, and the second rotation connect is capable of being rotatably engaged with the first rotation connect. The patch panel is specifically an optical fiber patch panel. The patch panel with such a structure facilitates operation on the cables.

Abstract: Provided is a display substrate. The display substrate includes including a base substrate having a first display region and a second display region; in the pixel circuit included in the pixels in the second display region, the conductive line connected to the metal layer is a transparent conductive line, and the transparent conductive line is disposed between the two existing insulating layers.

Abstract: A photonics package that incorporates a liquid crystal lens situated between a light source and a waveguide or output element of the package. The liquid crystal lens may focus or collimate light passing through it. This may be useful, for example, to focus light from a light source on or at an entry of a waveguide. Certain embodiments may include or incorporate routing or optical elements between the light source and the liquid crystal lens, and/or on a side of the lens opposite a side on which the light source is located.