Abstract: A method for domain name detection, a device and a storage medium are provided. The method includes: matching a to-be-detected domain name with a preset domain name set; in response to the to-be-detected domain name being not in the preset domain name set, calculating an edit distance between at least part of level domain names of the to-be-detected domain name and a preset domain name keyword in a domain name keyword set; in response to an edit distance between a target level domain name and a target preset domain name keyword being smaller than preset distance threshold, acquiring a character pair in which the target level domain name differs from the target preset domain name keyword, and matching with a similar character pair set; and in response to determining the character pair being in the similar character pair set, determining that the to-be-detected domain name has a security risk.

Abstract: The present disclosure provides an information processing methods, apparatus, electronic device and storage medium. The information processing method comprises: in response to a new first topic being generated in a first communication group, determining (S11) a first document; and generating (S12) a first record in the first document based on information of the first topic; wherein the first record is associated with the first topic. The present disclosure automatically generates a first record and stores it in the first document. There is no need for manual processing by the user. An association relationship is established between the first topic and the first record, thereby it is easy to find the first topic corresponding to the first record.

Abstract: A CT energy extraction device is provided. A first accommodation cavity is provided in a first housing, and a second accommodation cavity is provided in a second housing. The first housing can be connected and joined with the second housing to form a ring shape, which is used to be placed on outside of a high-voltage line. A first iron core is disposed in the first accommodation cavity, and an energy-extraction coil is wound around the first iron core. A cable outlet is provided on the first housing, and the energy-extraction coil has pins extending from the cable outlet. A second iron core is disposed in the second accommodation cavity. When the first housing and the second housing are connected and joined, the first and second iron cores are joined to form a closed ring structure. An inflating assembly is provided on the first housing and/or the second housing.

Abstract: An apparatus for non-contact current and voltage composite measurement includes: a current signal detection device, a voltage signal detection device, a zero-crossing detection circuit, and a control unit. The current signal detection device generates a current-induced electromotive force based on current flowing on the transmission line to be measured when there is current-voltage passing through the transmission line to be measured; the voltage signal detection device generates a voltage-induced electromotive force based on voltage flowing on the transmission line to be measured when there is current-voltage passing through the transmission line to be measured. The zero-crossing detection circuit performs zero-crossing detection on the current-induced electromotive force and the voltage-induced electromotive force to determine the phase difference between them.

Abstract: This application proposes a magnetic coupling coil optimization method. The method comprises: calculating an equivalent magnetic permeability of a magnetic coupling coil based on an air gap length of the magnetic coupling coil; calculating an effective cross-sectional area of the magnetic coupling coil based on the equivalent magnetic permeability and the power of the magnetic coupling coil; calculating a number of turns of the secondary winding of the magnetic coupling coil based on the effective cross-sectional area and the equivalent magnetic permeability; optimizing the magnetic coupling coil based on the number of turns of the secondary winding. The present application can reasonably configure the parameters of the magnetic coupling coil, effectively acquire energy from the power grid to provide stable power for detection or communication equipment in the power grid, and make the magnetic coupling coil more reliable while meeting the power demand.

Abstract: A method for domain name detection, a device and a storage medium are provided. The method includes: matching a to-be-detected domain name with a preset domain name set; in response to the to-be-detected domain name being not in the preset domain name set, calculating an edit distance between at least part of level domain names of the to-be-detected domain name and a preset domain name keyword in a domain name keyword set; in response to an edit distance between a target level domain name and a target preset domain name keyword being smaller than preset distance threshold, acquiring a character pair in which the target level domain name differs from the target preset domain name keyword, and matching with a similar character pair set; and in response to determining the character pair being in the similar character pair set, determining that the to-be-detected domain name has a security risk.

Abstract: The present disclosure provides an information processing method, apparatus, electronic device and storage medium. An information processing method comprises: in response to inputting first item information by a first user, storing the first item information in a first system and determining a first topic group based on the first item information; and generating first topic information based on the first item information, and sending the first topic information to the first topic group; wherein the first topic information is associated with the first item information. The present disclosure realizes aggregated display of information and facilitates message aggregation and processing by processing personnel.

Abstract: The present application provides an oscillation wave generating circuit and a construction method. The circuit includes: a high-voltage DC power supply, an energy storage capacitor, a thyristor, an isolation pulse transformer, a pulse control network, an LC resonant circuit, and a low-voltage DC power supply.

Abstract: The invention provides a massage device, which comprises the shell and two symmetrical elastic massage parts, wherein the driving part and the guiding transmission part connected with the driving part are arranged in the shell. The guiding transmission part drives the two elastic massage parts to move towards or away from each other. The massage device of the invention is convenient to use, which could relieve the pressure and fatigue of people and makes them relaxed by massaging the body.

Abstract: Implementations of the present specification provide a blockchain-based transaction method and apparatus, and a remitter device. The method includes: calculating a transaction amount commitment, a first commitment random number ciphertext, a first transaction amount ciphertext, a second commitment random number ciphertext, and a second transaction amount ciphertext; and submitting transaction data to the blockchain, the transaction data including the transaction amount commitment, the first commitment random number ciphertext, the first transaction amount ciphertext, the second commitment random number ciphertext, and the second transaction amount ciphertext, for the transaction amount commitment, the first commitment random number ciphertext, and the first transaction amount ciphertext to be recorded into a remitter account, and the transaction amount commitment, the second commitment random number ciphertext, and the second transaction amount ciphertext to be recorded into a remittee account.

Abstract: The invention provides a massage device, which comprises the shell and two symmetrical elastic massage parts, wherein the driving part and the guiding transmission part connected with the driving part are arranged in the shell. The guiding transmission part drives the two elastic massage parts to move towards or away from each other. The massage device of the invention is convenient to use, which could relieve the pressure and fatigue of people and makes them relaxed by massaging the body.

Abstract: A system, method, computer program product, and service for encrypting a message. A plaintext message to be encrypted is received as input data into a computer. A processor on the computer encrypts the plaintext message, using a public key having two components, each component having degree 4. The encrypted version of the input plaintext message is output as a ciphertext having two components, each component having degree 4.

Abstract: The disclosure provides a method and an apparatus for tabular data processing, a terminal, and a storage medium. The method for tabular data processing includes: in response to a triggering operation of a specific control associated with a specified table, presenting a field filtering interface; wherein each candidate field name in the field filtering interface is a predetermined field name that exists in at least one data system, and each candidate field name in the field filtering interface has an association relationship with a field name corresponding to a filled column in the specified table; in response to a field name selecting operation on the field filtering interface, adding the selected field name into the specified table; and complementing data corresponding to data of a filled column and each field name in the specified table; wherein the complemented data is data from the at least one data system.

Abstract: The present application relates to a suction dredger for use on an underwater hard soil layer and relates to the technical field of bridge construction equipment. The present suction dredger includes a mud suctioning mechanism, a mud-breaking mechanism, and a blockage-prevention assembly. The mud suctioning mechanism includes a pressurizing assembly and a suction dredging pipe. The suction dredging pipe passes through the pressurizing assembly and the two ends thereof at least partially extend past the pressurizing assembly. The side wall of the section of the suction dredging pipe located in the pressurizing assembly is provided with multiple pressurization holes that are inclined upward in the direction from the outer wall to the inner wall. The pressurizing assembly is used for, via the pressurization holes, forming low pressure in the suction dredging pipe. The mud-breaking mechanism includes at least two mud-breaking assemblies.

Abstract: Provided is a method for biosynthesis of a protein heterocatenane. The basic structure of a protein precursor sequence of the protein heterocatenane comprises form an N-terminal to a C-terminal: L1-1-X-L1-2-(in situ enzyme cutting site)-L2-1-X-L2-2, wherein the Xs represent entangled motifs for forming dimers, the two Xs can be the same or different, L1-1/L1-2 and L2-1/L2-2 represent two pairs of cyclization motifs that undergo an orthogonal coupling reaction in cellulo, and the two pairs of cyclization motifs can be two orthogonal peptide-protein reactive pairs, or combinations of peptide-protein reactive pairs and split inteins, or two orthogonal split inteins. When the peptide-protein reactive pair and the split intein are combined for use, biosynthesis of branched protein heterocatenanes can be achieved; and when the two orthogonal split inteins are combined for use, the protein heterocatenane having a completely cyclized main chain can be obtained.

Abstract: A method and device for identifying a state, electronic device and computer-readable storage medium are provided. The method includes: acquiring a to-be-detected image for a specific scene and determining a region of interest in the to-be-detected image; the region of interest being a region obtained by subtracting an occlusion range of the storage container in a closed state from an occlusion range in an open state; determining a positional relation between the region of interest and specific object regions where the specific objects are positioned in the to-be-detected image; determining at least one value based on values of pixels in the region of interest, when the positional relation represents that there is no specific object region partially overlapping the region of interest; and determining whether the storage container is in an open state or closed state based on the at least one value and a preset value range.

Abstract: The present invention relates to a grabbing detection method based on an RP-ResNet, which method belongs to the field of computer vision, and in particular relates to recognition and positioning of a grabbing point of a mechanical arm. The method comprises: inputting a target object image; pre-processing data; performing data processing by means of an RP-ResNet model; and finally, generating a grabbing block diagram of a grabbing target. On the basis of a model ResNet 50, a region proposal network is used in the 30th layer of a network, fuzzy positioning is performed on the position of a grabbing point, feature information of high and low layers is fully fused to strengthen the utilization of information of low layers, and an SENet structure is added to the 40th layer of the network, thereby further increasing the detection accuracy of a grabbing point.

Abstract: An object recognition method, apparatus, device and storage medium are provided. The method includes the following steps: a real-time image where a screen includes an object operation region is acquired; image reference points that match with at least two reference origins in the real-time image is determined according to the mapping relationship between the real-time image and a preset standard image, the reference origin is a point within the object operation region in the preset standard image; and an object within the object operation region is recognized according to a pixel coordinate of the preset standard image and a reference pixel coordinate of the image reference point in the real-time image to obtain a target recognition result of the object.