Abstract: A multifunctional gas turbine power generation system, comprising: a first air compressor group, a second air compressor group, an air storage device, an air turbine group, a differential pressure turbine group, water-air heat exchangers and a water storage device, wherein the first air compressor group, the second air compressor group and the air storage device are connected to each other in sequence by means of a valve pipeline; an air inlet of the air turbine group is connected to an exhaust port of the air storage device by means of a valve pipeline; an air inlet of the differential pressure turbine group is connected to the exhaust port of the air storage device by means of a valve pipeline; With the system, the loss of high-quality heat energy can be effectively reduced.

Abstract: A video distribution control method, system and apparatus, and a storage medium are disclosed. The video distribution control method includes: distributing distributed information; calculating a routing information table according to link information and video request information; generating a forwarding information table according to the routing information table; and performing video distribution according to the forwarding information table. According to the present disclosure, link information and video request information are distributed by means of distributed control, enabling high-speed local decision-making and real-time response, thereby improving the response speed to video distribution, and avoiding delays caused by calculation of centralized control.

Abstract: An electrically driven control system for a rotatable upright blast door comprises: a blast door including a door body; an opening and closing device of electric cylinder of rotatable upright door body including a drive motor module and a push rod power-connected to the drive motor module, and the opening and closing device of electric cylinder of rotatable upright door body is hinged relative to the mounting base, and the push rod is hinged to the door body.

Abstract: The present invention relates to a compound of formula (I) capable of inhibiting plasmin activity and having blood coagulation and hemostasis activity, and a pharmaceutically acceptable salt, hydrate, isomer, prodrug and mixture thereof, wherein R1 to R3 are as defined in the description.

Abstract: A nitride-based semiconductor device includes a first nitride-based semiconductor layer, a second nitride-based semiconductor layer, a doped nitride-based semiconductor layer, a third nitride-based semiconductor layer, and a fourth nitride-based semiconductor layer. The second nitride-based semiconductor layer is disposed on the first nitride-based semiconductor layer. The second nitride-based semiconductor layer has a bandgap higher than a bandgap of the first nitride-based semiconductor layer. The doped nitride-based semiconductor layer is disposed over the second nitride-based semiconductor. The third nitride-based semiconductor layer is disposed on the doped nitride-based semiconductor layer and is narrower than the doped nitride-based semiconductor layer. The fourth nitride-based semiconductor layer is disposed on the third nitride-based semiconductor layer and is narrower than the doped nitride-based semiconductor layer.

Abstract: Disclosed is a large-viewing-angle integral imaging 3D display device based on secondary light field modulation. The device includes a 2D display screen, a light field guiding layer and a light field reconstruction layer. The 2D display screen is located at a bottom layer of the device, and the light field guiding layer and the light field reconstruction layer are located above sequentially. The 2D display screen displays an interleaved coded elemental image array and provides an interleaved light field for an upper structure of the device. The light field guiding layer performs first light field modulation and is configured to modulate light emitted from the 2D display screen and guide and separate interleaved light field with different viewing area information in space. The light field reconstruction layer performs secondary light field modulation, and is configured to reconstruct and splice separated light beams modulated by the light field guiding layer.

Abstract: The present disclosure provides a display device bracket. The display device bracket can include a mounting base assembly comprising a mounting base; a panel assembly; a cantilever assembly including a support arm and a transmission mechanism, wherein two ends of the support arm are rotatably connected to the mounting base and the panel assembly respectively; an elastic member mounted inside the mounting base, wherein a first end of the transmission mechanism is disposed inside the mounting base and connected with the elastic member, and a second end of the transmission mechanism acts on the support arm; and an adjustment assembly disposed on the support arm and configured to move the second end of the transmission mechanism along the support arm to accommodate display devices of different weights. The elastic member provides a supporting force that allows the display device to be held at any position.

Abstract: An image generation method includes: determining a target promotional object provided by a target user; providing selection prompt information of at least one processing method on a user interface; determining a selected first processing method in response to a method selection operation of the target user; providing selection prompt information of at least one style on the user interface; determining a selected first style in response to a style selection operation of the target user; determining at least one promotional image conforming to the first style generated according to the first processing method based on object information of the target promotional object; and providing image prompt information of the at least one promotional image on the user interface. The technical solutions provided by the embodiments of the present application improve content generation efficiency and reduce content generation costs.

Abstract: A holder and an electronic component are provided. The holder is formed of an elastic material and is configured to hold an object. The holder includes a first surface configured to mount the holder onto a mounting surface of a member; and a second surface opposite the first surface. At least one groove configured to hold the object is formed on the second surface. The holder is configured such that a size of an opening of the groove on the second surface becomes smaller, as the first surface deforms.

Abstract: Disclosed herein is a positive electrode active material with a combination of large and small particles, including large-particle secondary spheres and small-particle secondary spheres, where the mass ratio of the large-particle secondary spheres is not smaller than 50%; the D50 particle size of the large-particle secondary spheres is 10-20 ?m, and the D50 particle size of the small-particle secondary spheres is 2-5 ?m. The doping elements and nickel contents of large and small particles are strictly regulated to ultimately obtain a positive electrode material with good comprehensive performance in terms of capacity, cycling, and DCR. Also disclosed herein is a preparation method for the positive electrode active material with a combination of large and small particles.

Abstract: A storage method includes: calculating M check blocks of N first data blocks based on a first erasure coding (EC) technology; respectively storing the N first data blocks and the M check blocks of the N first data blocks into (N+M) storage nodes in a storage system; updating the first EC technology to a second EC technology; calculating R check blocks of S second data blocks based on the second EC technology, where S is greater than N, a ratio of S to R is greater than a ratio of N to M, S, R, N, and M are all positive integers, and the second data block is a data block received after the first EC technology is updated to the second EC technology.

Abstract: A compound of formula (I) for regulating and controlling the activity of 15-PGDH, or a stereoisomer, tautomer or mixture thereof, or a pharmaceutical salt, solvate or prodrug thereof, a pharmaceutical composition containing same and the use thereof in the inhibition of the activity of 15-PGDH.

Abstract: The invention provides a moisture-proof L-?-glycerylphosphorylcholine and a preparation method thereof. Through the auxiliary material selection and preparation method treatment of raw materials, the problems of strong moisture absorption and deliquescence of L-?-glycerylphosphorylcholine when exposed to air are solved, and the excellent moisture-proof and deliquescence-resistant effects are achieved, which improves the stability of L-?-glycerylphosphorylcholine and brings high applicability to users.

Abstract: A compound of formula (I) capable of inhibiting plasmin activity, delaying fibrinolysis, and having coagulation and hemostatic activity, pharmaceutically acceptable salts, hydrates, isomers, prodrugs and mixtures thereof, wherein X, and R1 to R5 are as defined in the description.

Abstract: The present disclosure provides a height-adjustable mount, comprising a first frame assembly, a second frame assembly, a rotation assembly, and a balance assembly. The first frame assembly includes a first frame and a middle connecting plate coupled to the first frame. The first frame assembly is slidably disposed relative to the second frame assembly. Two rotation assemblies are symmetrically disposed along the first direction, and each rotation assembly includes a first rotating member and a second rotating member. The balance assembly includes two elastic members or assemblies symmetrically disposed along the first direction. Wherein the rotation assemblies enable the first frame to move up and down relative to the second frame and stop at any position under the action of an external force, and the elastic force generated by the elastic member or assembly, the first elastic member and the second elastic member is used to counteract the gravity of the load of the first frame.

Abstract: A tetrahydronaphthyridine derivative is used in preparing a medicine. The tetrahydronaphthyridine derivative is effective in preventing and treating gastrointestinal tract injury-related diseases or inhibiting gastrointestinal protein kinase.