Abstract: The present application provides a method for sharing spectrum resource, device, electronic device and storage medium, which belong to the technical field of wireless communication and artificial intelligence. The method includes predicting traffic data amount of the at least two radio access technology (RAT) systems in a set first sharing period according to history traffic data of the at least two RAT systems and allocating spectrum resources in the first sharing period to the at least two RAT systems respectively according to the predicted traffic data amount. Based on the solutions provided by embodiments according to the present application, the utilization rate of spectrum resources can be effectively increased, and the user's traffic perception can be improved.

Abstract: Text-to-image generation generally refers to the process of generating an image from one or more text prompts input by a user. While artificial intelligence has been a valuable tool for text-to-image generation, current artificial intelligence-based solutions are more limited as it relates to text-to-3D content creation. For example, these solutions are oftentimes category-dependent, or synthesize 3D content at a low resolution. The present disclosure provides a process and architecture for high-resolution text-to-3D content creation.

Abstract: The present invention relates to a multi-body formation reconstruction method for an unmanned device cluster control. The present invention comprises: step 1: reading a preset target formation; step 2: establishing a probability density function associated with the target formation; step 3: obtaining the current formation of all the controlled objects in the unmanned device cluster, and establishing a probability density function associated with the current formation; step 4: decreasing a cross entropy by adjusting the position of the controlled objects in the unmanned device cluster, and repeating executing the step 3 and the step 4 until the formation composed by the controlled objects in the unmanned device cluster is consistent with the target formation.

Abstract: A continuous welding method and device for a hybrid welding, a welded finished product and a train body. The method comprises: performing hybrid welding on a groove of a welding piece by coupling a laser and a variable polarity arc; wherein the defocusing distance of the laser is not less than a Rayleigh length of the laser. According to the method of the present disclosure, the power density of the laser on the surface of the welding piece is effectively reduced and the height-width-ratio of the weld seam is decreased, the diameter of the welding melted pore is increased, the voids caused by the collapse of the small pore in the welding melted pore can be effectively reduced, thereby solving the problem that the weld porosity is difficult to escape in the prior art, and reducing the generation of the pores, effectively improving welding stability and reliability, and improving the mechanical properties of the weld seams.

Abstract: A hot extrusion die for a special-shaped square pipe includes a die cavity sleeve with a special-shaped cavity. A hot extrusion mandrel is arranged in the die cavity sleeve. An area between the die cavity sleeve and the hot extrusion mandrel forms a die cavity hole. A first extrusion diversion hole and a second extrusion diversion hole are arranged below the die cavity hole. An integral centroid of the die cavity hole is located at a circle center of a radial cross section of the die cavity sleeve. Further disclosed is a hot extrusion integral forming method for a special-shaped square pipe, including: heating and expanding a blank material; heating the blank material again after expanding; performing hot extrusion on the blank material; and cooling the formed special-shaped square pipe in air to a room temperature, and inspecting surface quality and mechanical properties of the special-shaped square pipe.

Abstract: A method for disinfecting explants of Kadsura coccinea stems with buds and a method for directly inducing rapid proliferation of sterile buds by using the explants of Kadsura coccinea stems with buds involve processes such as selection, treatment and disinfection of explants, primary culture, subculture proliferation culture. The problem of difficulty in tissue culture and primary culture of Kadsura coccinea stems is solved, and the advantages include low contamination rate of explants, high propagation rate and robust proliferation of axillary buds. This allows obtaining sterile axillary buds of Kadsura coccinea through tissue culture, and provides support for tissue culture, rapid propagation and factory seedling of Kadsura coccinea in the future.

Abstract: The present invention relates to a method for preparing a pyrimidone heteroaryl derivative and an intermediate of the pyrimidone heteroaryl derivative. Specifically, the pyrimidone heteroaryl derivative of the formula is prepared by changing a starting raw material and an intermediate.

Abstract: A method for disinfecting explants of Kadsura coccinea stems with buds and a method for directly inducing rapid proliferation of sterile buds by using the explants of Kadsura coccinea stems with buds involve processes such as selection, treatment and disinfection of explants, primary culture, subculture proliferation culture. The problem of difficulty in tissue culture and primary culture of Kadsura coccinea stems is solved, and the advantages include low contamination rate of explants, high propagation rate and robust proliferation of axillary buds. This allows obtaining sterile axillary buds of Kadsura coccinea through tissue culture, and provides support for tissue culture, rapid propagation and factory seedling of Kadsura coccinea in the future.

Abstract: A deformable crutch, includes a hand-held part, a seat part and a support part which are rotatably connected in sequence, and further includes a locking device for locking a rotation angle between the hand-held part and the seat part, and a rotation angle between the seat part and the support part. Rollers (34) are provided at the bottom of the deformed stool. A motor for driving the rollers (34) can also be mounted to deform the deformable crutch into an electric scooter.

Abstract: Disclosed are an intermediate of a pyrrolo six-membered heteroaromatic ring derivative as a JAK inhibitor and a preparation method therefor, and a method for preparing a pyrrolo six-membered heteroaromatic ring derivative using the intermediate. The method improves the reaction yield, is simple and easy to operate and control, and is conducive to expanded industrial production.

Abstract: A method for preparing a label-free aptamer electrochemical sensor of ?-interferon based on a dendrimer/gold nanoparticle/molybdenum disulfide nanocomposite is provided. The nanocomposite is drip-coated on a surface of an electrode to prepare a modified electrode, and a terminal sulfhydryl group of a ?-interferon aptamer chain is connected to the gold nanoparticle via Au—S bond to obtain a nanocomposite-aptamer modified electrode. When ?-interferon is present, the ?-interferon specifically binds to the aptamer chain on the sensor, resulting in the aptamer's hairpin structure being opened and stretched, which can effectively adsorb methylene blue MB in the electrolyte, causing significant enhancement of MB redox signal. A linear relationship between a current intensity of MB oxidation peak and a concentration of the ?-interferon is fitted to construct the label-free aptamer electrochemical sensor of ?-interferon.

Abstract: A method for preparing a label-free aptamer electrochemical sensor of ?-interferon based on a dendrimer/gold nanoparticle/molybdenum disulfide nanocomposite is provided. The nanocomposite is drip-coated on a surface of an electrode to prepare a modified electrode, and a terminal sulfhydryl group of a ?-interferon aptamer chain is connected to the gold nanoparticle via Au—S bond to obtain a nanocomposite-aptamer modified electrode. When ?-interferon is present, the ?-interferon specifically binds to the aptamer chain on the sensor, resulting in the aptamer's hairpin structure being opened and stretched, which can effectively adsorb methylene blue MB in the electrolyte, causing significant enhancement of MB redox signal. A linear relationship between a current intensity of MB oxidation peak and a concentration of the ?-interferon is fitted to construct the label-free aptamer electrochemical sensor of ?-interferon.

Abstract: Disclosed are an intermediate of a pyrrolo six-membered heteroaromatic ring derivative as a JAK inhibitor and a preparation method therefor, and a method for preparing a pyrrolo six-membered heteroaromatic ring derivative using the intermediate. The method improves the reaction yield, is simple and easy to operate and control, and is conducive to expanded industrial production.

Abstract: Provided are a crystalline form of a GnRH receptor antagonist and a preparation method therefor. Specifically, provided are a crystalline form I of 1-(4-(7-(2,6-difluorobenzyl)-3-((dimethylamino)methyl)-5-(6-methoxypyridazin-3-yl)-4,6-dicarbonyl-4,5,6,7-tetrahydro-2H-pyrazolo[3,4-d]pyrimidin-2-yl)phenyl)-3-methoxy urea (a compound of formula I) and a preparation method, the use of same in a pharmaceutical composition and the use of the crystalline form I and the composition in the preparation of a drug for treating diseases associated with a GnRH receptor antagonist.

Abstract: The present invention relates to a method for preparing a pyrimidone heteroaryl derivative and an intermediate of the pyrimidone heteroaryl derivative. Specifically, in the present invention, the pyrimidone heteroaryl derivative is prepared by changing a starting raw material and an intermediate. The method shortens reaction steps, improves the reaction yield, is easy to operate and facilitates the expansion of industrial production.

Abstract: A deformable crutch, includes a hand-held part, a seat part and a support part which are rotatably connected in sequence, and further includes a locking device for locking a rotation angle between the hand-held part and the seat part, and a rotation angle between the seat part and the support part. Rollers (34) are provided at the bottom of the deformed stool. A motor for driving the rollers (34) can also be mounted to deform the deformable crutch into an electric scooter.

Abstract: A system for cutting a bone of a patient may include a motor; a rotating shaft drivingly coupled to the motor; a support tube positioned around the rotating shaft and supporting the rotating shaft at a plurality of locations; a plurality of steering wires coupled to the support tube; and a bone cutter at a distal end of the rotating shaft.

Abstract: Disclosed are an intermediate of a pyrrolo six-membered heteroaromatic ring derivative as a JAK inhibitor and a preparation method therefor, and a method for preparing a pyrrolo six-membered heteroaromatic ring derivative using the intermediate. The method improves the reaction yield, is simple and easy to operate and control, and is conducive to expanded industrial production.

Abstract: Provided are a crystalline form of a GnRH receptor antagonist and a preparation method therefor. Specifically, provided are a crystalline form I of 1-(4-(7-(2,6-difluorobenzyl)-3-((dimethylamino)methyl)-5-(6-methoxypyridazin-3-yl)-4,6-dicarbonyl-4,5,6,7-tetrahydro-2H-pyrazolo[3,4-d]pyrimidin-2-yl)phenyl)-3-methoxy urea (a compound of formula I) and a preparation method, the use of same in a pharmaceutical composition and the use of the crystalline form I and the composition in the preparation of a drug for treating diseases associated with a GnRH receptor antagonist.

Abstract: Disclosed are a p-toluenesulfonate of a MEK kinase inhibitor, and a crystal form thereof and a preparation method thereof. Specifically disclosed are a 2-((2-fluorine-4-iodophenyl)amino)-1-methyl-4-((6-methylpyridine-3-group)oxygroup)-6-carbonyl-1,6-dihydropyridine-3-formamide p-toluenesulfonate (a compound represented by formula (I)), a crystal form I, and a preparation method thereof. The obtained crystal form I of the compound of formula (I) has good crystal form stability and chemical stability, and the crystallization solvent used has low toxicity and low residue, and is more suitable for use in clinical treatment.