Abstract: A method for forming a QCr0.8 alloy tapered cylindrical ring, including: heating a standard QCr0.8 alloy cylindrical part followed by upsetting and stretching at least twice to obtain a primary blank; heating the primary blank followed by upsetting and chamfering to obtain a secondary blank, where a diameter of a top end is greater than that of a bottom end; subjecting the secondary blank to backward extrusion to form a preform; machining the preform to remove a flash and a bottom residue; subjecting a bottom end of the preform to local bulging to enable a shape and a size thereof to match that of a drive roller in a forming tooling, so as to form a profiled ring blank; and rolling the profiled ring blank by a radial-axial ring rolling machine with the forming tooling to form the tapered cylindrical ring.

Abstract: A method for setting a shipping mode of an electronic device. The method includes the following steps: receiving a shipping instruction sent by a host computer to enter the shipping mode; and sending a shipping-mode feedback instruction to the host computer, where the shipping-mode feedback instruction is a valid-response instruction for a successful entry into the shipping mode or an invalid-response instruction for a failed entry into the shipping mode. An electronic device and a computer readable storage medium are also provided in this application. The method for setting the shipping mode, the electronic device and the computer readable storage medium can accurately feed back whether the electronic device has successfully entered the shipping mode, to avoid a problem that the electronic device not really entering the shipping mode can leave the factory due to omission, improving users' experience.

Abstract: A removable adhesive member and a display device using the same is provided. The removable adhesive member includes a first adhesive section, a first connecting section, and a tearing portion. The two opposite surfaces of the first adhesive section respectively adhere to the two objects. The first connecting section is connected to the first adhesive section. The first connecting section includes a first adhesive layer and two first protective layers. One side of the first adhesive section extends to form the first adhesive layer. The first protective layers are respectively laminated to two opposite surfaces of the first adhesive layer. The tearing portion is connected to the first adhesive section through the first connecting section, thereby avoiding rupture in pulling the tearing portion. The tearing portion is conveniently pulled up by a user, such that the first adhesive section removes from the objects to disassemble the objects.

Abstract: A W-band E-plane waveguide bandpass filter includes a rectangular waveguide configured to feed a W-band signal, and a dielectric substrate. The dielectric substrate is inserted into the center of the waveguide. The dielectric substrate is provided with a spoof surface plasmon polariton (SSPP) array configured to transmit a TM-mode surface wave to achieve the bandpass filtering response.

Abstract: Disclosed is a Chinese knot-like porous fiber core ultra-high birefringence THz optical fiber. The optical fiber comprises a substrate, claddings and fiber cores, wherein the claddings and the fiber cores are arranged in the substrate, and the fiber cores are embedded in the centers of the claddings; and the fiber core comprises a first fiber core region, a second fiber core region and a third fiber core region, the center of the first fiber core region 4 serves as the origin of coordinates, and the first fiber core region 4 is composed of six regular hexagon units with overlapped boundaries in the x-axis direction. In the present disclosure, the fiber core comprises a first fiber core region, a second fiber core region and a third fiber core region, and the three regions jointly form a fiber core region of a Chinese knot-like porous fiber core.

Abstract: A system and method for treating flue gas of a boiler based on solar energy are provided, wherein a heat pump is connected with a heat collector via first and second valves, a carbon dioxide electrolysis chamber is connected with a flue gas pretreatment chamber and a power distribution control module for electrolyzing and reducing carbon dioxide, a gas phase separation chamber is connected with a gas phase outlet to separate a mixture, and discharge the separated gas phase products; a Fischer-Tropsch reaction chamber is connected with the gas phase separation chamber to pass the separated carbon monoxide and hydrogen into a flowing reaction cell, a liquid phase product separation chamber is connected with a liquid phase outlet to separate the liquid phase hydrocarbon fuel products, and separate and supplement electrolyte; an electrolyte cooling circulation chamber is connected with the liquid phase product separation chamber.

Abstract: A gas turbine power generation device includes: an inlet pipe (1), a compressor (2), an air storage compartment (3), a compressor rotor (4), a compressor gear shift (6), a compressor exhaust pipeline (8), a combustion chamber intake pipeline (10), a combustion chamber intake cone (11), a combustion chamber pneumatic valve (14), a spark plug (19), a combustion chamber (21), a Tesla turbine (22), a gas collection compartment (27), an outlet pipe (28), a turbine rotor (30), a generator gear shift (32) and a generator (33).

Abstract: Provided are a data transmission method and device and a storage medium. The method includes: determining a first time domain resource for transmitting data according to first preset information, where the first preset information includes at least one of: indication information from a base station, a sensing result for a channel, or a measurement result for interference; and transmitting the data by using the determined first time domain resource.

Abstract: The present disclosure relates to an operation method, a processor, and related products that improve operation efficiency during matrix multiplication. The products include a storage component, an interface apparatus, a control component, and the an artificial intelligence chip. The artificial intelligence chip is connected to the storage component, the control component, and the interface apparatus, respectively. The storage component stores data. The interface apparatus implements data transfer between the artificial intelligence chip and an external device. The control component monitors a state of the artificial intelligence chip. .

Abstract: At least some embodiments of the present disclosure disclose a program production method, a program production device, a program production system and a computer-readable medium. The program production method includes that: at least one medium is acquired; at least one playlist is generated according to the at least one medium, each of the at least one playlist being associated with the at least one medium; at least one program is generated according to the at least one playlist, each of the at least one program including a play region and the play region corresponding to the at least one playlist; and the play region is scheduled.

Abstract: A method of processing spectrum monitoring (SM) big data based on tensor decomposition comprises the steps of: S1: processing calibration of geolocation V, synchronized clock t, synchronized time tn(0 . . . N); of SM stations and determining SM sampling point M and bandwidth B; S2: processing discretization for a monitoring time and structured processing of SM data for a monitoring period to obtain a one-dimensional SM sequence Itn at the given sampling time and a two-dimensional SM matrix W at the given monitoring period; S3: constructing a cuboid matrix Q based on the two-dimensional SM matrix W, processing tensor decomposition for the cuboid matrix Q and identify the emitter.

Abstract: The present disclosure provides an excitation fuse with a conductor and a fusant being sequentially broken, the excitation fuse comprising a housing and a cavity in the housing, wherein at least one conductor is provided to be inserted in the housing and the cavity and has two ends connected with an external circuit; at least one fusant is provided in parallel on the conductor; an excitation device and a breaking device are mounted in the cavity at one side of the conductor; the excitation device may receive an external excitation signal to act to drive the breaking device to sequentially form at least one fracture on the conductor and the fusant respectively; and at least one fracture on the conductor is connected in parallel with the fusant.

Abstract: A fuse in form of breaking fusant by fusing breaking and mechanical breaking includes hollow shell; arc extinguishing medium filled in the shell; at least one piece of fusant arranged in the shell; and conductive terminals provided as penetrating through shell wall and capable to be connected to external circuit, two ends of the fusant are respectively connected with the conductive terminals, at least one breaking device that mechanically breaks the fusant is provided in the shell; driving device arranged outside the shell, after receiving external excitation signal, drives the breaking device to break the fusant in one of linear and rotational displacement modes or their combination; blocking structures are arranged between the breaking device and the shell wall; and the fusant located in the arc extinguishing medium is provided with weak positions where mechanical breaking strength of the fusant is reduced and fusing is easy to be achieved.

Abstract: The present invention discloses a determination method for a preferred habitat of fish and a terminal device, wherein the method comprises: acquiring parameter information of a water environment in which target fish is located, and establishing a 3D water environment model by utilizing the parameter information of the water environment; determining an ecological function of the target fish and constructing a bio-simulation model on the 3D water environment model by combining the ecological function; acquiring a movement locus of the target fish in the bio-simulation model and determining potential habitats of the target fish according to the movement locus; and determining the preferred habitat of the target fish from the potential habitats by utilizing a preference learning model based on a density accumulation method.

Abstract: A polypeptide composition for treating atrial fibrillation includes a polypeptide that has a sequence: fADNYTRLRKQMAVKKYLNSILN-NH2 (SEQ ID NO: 1), From an N-terminus of the polypeptide, a first amino acid (f) is a D-Phe, a second amino acid is Ala, and a third amino acid is Asp; and the peptide is linear in a solution and forms an ?-helix structure after encountering a lipid bilayer.

Abstract: A method of preparing a Paris polyphylla saponin extract includes: (1) adding Paris polyphylla saponin in 60-90% ethanol to obtain a mixture, heating the mixture under reflux for 2-4 hours; (2) concentrating the mixture to ¼ volume, centrifuging the mixture to obtain a supernatant A and a precipitate A, adding the precipitate A to 60-80% ethanol to obtain a supernatant B and a precipitate B, washing the precipitate B with water and petroleum ether and drying; and (3) combining the supernatant A and the supernatant B, mixing with a macroporous adsorption resin, loading to a chromatography column, eluting the chromatography column with water and 80-90% ethanol, collecting an ethanol eluent, concentrating the ethanol eluent to obtain an eluent extract, and combining the eluent extract and the precipitate B and drying to obtain the Paris polyphylla saponin extract.

Abstract: The invention discloses a method for measuring a semiconductor gas sensor based on virtual alternating current impedance. The method comprises: combining measurement parameters of virtual measurement frequencies in a first predetermined range and virtual parallel capacitance values in a second predetermined range, and measuring gas with known concentrations at each characteristic quantity among nine characteristic quantities in the case of each combination; obtaining multiple characteristic values corresponding to the same gas concentration at each characteristic quantity after traversing all parameter combinations and all nine characteristic quantities; and selecting virtual measurement frequencies in a third range, virtual parallel capacitance values in a fourth range and one or several corresponding characteristic quantities as the finally selected measurement parameters for measuring the unknown gas concentration.

Abstract: A self-service parcel cabinet, comprising: a main-body part (1), a sorting apparatus (2), a parking apparatus (3), and a control device. The main-body part is a hollow structure opened at the top. At least part of the hollow structure is formed by multiple self-service parcel lockers (11) surroundingly arranged. The parking apparatus is provided on top of the main-body part and comprises a drone landing pad (31). Provided on the drone landing pad is a channel allowing passing of a parcel delivered by the drone and directly facing the opening at the top.

Abstract: This invention discloses a boron-containing titanium-based composite powder for 3D printing, consisting of 0.5%-2% by weight of titanium diboride and 98%-99.5% by weight of titanium sponge. The invention further discloses a method of preparing such composite powder, where the element boron is introduced to the titanium powder through rapid solidification, which significantly improves the solid solubility of boron in Ti, enabling the introduction of part of the boron into the titanium matrix to form supersaturated solid solutions. The reinforcement phase TiB in the boron-containing titanium-based composite powder prepared herein can be precisely controlled in grain size ranging from the nanometer scale to the micrometer scale through temperature or energy density, thereby preparing the titanium-based composite materials with different sizes of reinforcement phases to meet different mechanical requirements.