Abstract: A three-dimensional scene constructing method, apparatus and system, and a storage medium. The three-dimensional scene constructing method includes: acquiring point cloud data of a key object and a background object in a target scene, wherein the point cloud data of the key object comprises three-dimensional information and corresponding feature information, and the point cloud data of the background object at least comprises three-dimensional information; establishing a feature database of the target scene, wherein the feature database at least comprises a key object feature library for recording three-dimensional information and feature information of the key object; performing registration and fusion on the point cloud data of the key object and the point cloud data of the background object, so as to obtain a three-dimensional model of the target scene; and when updating the three-dimensional model, reconstructing the three-dimensional model in a regional manner according to the feature database.

Abstract: A power device and a power tool are provided, including a motor and a transmission gear set. The transmission gear set includes a driving gear and a driven gear, a speed of the motor is from 5000 rpm to 11000 rpm, a diameter is from 20 mm to 50 mm, and a volume is from 600 mm3 to 2200 mm3. A weight is from 90 g to 260 g. A reduction ratio of the driving gear to the driven gear is from 2 to 7. The power tool of the disclosure adopts an outer rotor motor with a smaller rotor diameter and a lower rotating speed, which reduces a volume and weight of the overall device, is easy to mount and carry, and increases a battery life.

Abstract: The embodiment of the present disclosure provides a positioning method, a positioning device and system, an electronic equipment and a computer readable medium. The positioning method comprises: establishing connection with a target node in response to feedback information returned by the target node; acquiring initial position information; acquiring real-time position information for multiple times; and positioning the target node according to the acquired initial position information and the real-time position information acquired for multiple times. wherein the real-time position information comprises the direction and the distance of the movement of the source node relative to the last position of the source node, the direction and the distance of the movement of the target node returned by the target node relative to the last position of the target node, and the distance between the target node and the source node.

Abstract: The present invention provides a pharmaceutical composition for treating myocardial ischemia, comprising Salvia Miltiorrhiza medicinal material 250-700 parts by weight, Radix Notoginseng medicinal material 50-150 parts by weight, Borneolum Syntheticum 3-9 parts by weight, and ranolazine 25-100 parts by weight. According to a further aspect of the present invention, there is provided a use of a pharmaceutical composition for preparation of a medicine for prevention and/or treatment of myocardial ischemia.

Abstract: A data transmission method, includes: receiving N data packets sent by a communication opposite-end device, wherein each data packet includes a piece of target data, and N is a positive integer greater than 1; according to a receiving sequence of the N data packets from a first data packet to an Nth data packet, sequentially determining whether a transmission error occurs in each data packet; if it is determined that a data packet is transmitted incorrectly, storing, in a first queue, a piece of first indication information which indicates the data packet is transmitted incorrectly; and after it is determined that the reception of the N data packets ends, generating a first retransmission instruction, and sending the first retransmission instruction to the communication opposite-end device, wherein the first retransmission instruction includes information in the first queue.

Abstract: The present invention belongs to the technical field of biological pharmacy, and particularly relates to a long-acting HM-3 fusion protein molecule and an application thereof. In the present invention, on the basis of the sequence of HM-3 molecule, an active polypeptide HM-3 and derivatives thereof are linked to a human Fc (IgG) fragment or a fragment of an Fc (IgG) mutant directly or by a linker peptide (Linker), thus forming a novel molecular entity. The general formula of the molecular entity is (HM-3)n-Linker-Fc(IgG), Fc(IgG)-Linker-(HM-3)n, or (HM-3)n-Linker-Fc(IgG)-Linker-(HM-3)n. The fusion protein effectively prolongs the half-life of HM-3, is low in cost and overcomes the major problem of druggability of small peptides. Therefore, the fusion protein of the present invention may serve as a potential drug for the treatment of autoimmune diseases, neovascular diseases, osteoarthritis and the like.

Abstract: A cross-device allocation method for a service element includes obtaining a to-be-allocated service element from a source device; determining a preset matching relationship between each to-be-allocated service element and each target allocation device, where the preset matching relationship describes a probability value that each service element is allocated to each target allocation device; obtaining a distance relationship between each target allocation device and the source device; determining a correspondence between each service element and each target allocation device according to the preset matching relationship and the distance relationship; and allocating, according to the correspondence, each service element to the target allocation device corresponding to the service element.

Abstract: An interface layout method, apparatus, and system are described. A first terminal device receives a screen projection instruction that is used to instruct the first terminal device to perform screen projection to a second terminal device. The first terminal device generates, based on interface information of a first interface and second device information, a second interface to be displayed on the second terminal device, where the first interface is an interface displayed on the first terminal device. The second device information is used to indicate a screen size and a screen status of the second terminal device.

Abstract: An image processing method includes: acquiring first image data of a first image, the first image data including pixel values of a plurality of pixels in the first image; a first compression-allowed region existing in the first image, obtaining region expression information of the first compression-allowed region, the first compression-allowed region including a region where a plurality of first pixels are located, and a difference between pixel values of any two first pixels in the plurality of first pixels being within a preset range; determining a region pixel value of the first compression-allowed region according to a pixel value of at least one first pixel in the first compression-allowed region; and generating second image data of the first image, the second image data including region expression information and the region pixel value of the first compression-allowed region.

Abstract: A data transmission method, includes: receiving N data packets sent by a communication opposite-end device, wherein each data packet includes a piece of target data, and N is a positive integer greater than 1; according to a receiving sequence of the N data packets from a first data packet to an Nth data packet, sequentially determining whether a transmission error occurs in each data packet; if it is determined that a data packet is transmitted incorrectly, storing, in a first queue, a piece of first indication information which indicates the data packet is transmitted incorrectly; and after it is determined that the reception of the N data packets ends, generating a first retransmission instruction, and sending the first retransmission instruction to the communication opposite-end device, wherein the first retransmission instruction includes information in the first queue.

Abstract: A three-dimensional scene constructing method, apparatus and system, and a storage medium. The three-dimensional scene constructing method includes: acquiring point cloud data of a key object and a background object in a target scene, wherein the point cloud data of the key object comprises three-dimensional information and corresponding feature information, and the point cloud data of the background object at least comprises three-dimensional information; establishing a feature database of the target scene, wherein the feature database at least comprises a key object feature library for recording three-dimensional information and feature information of the key object; performing registration and fusion on the point cloud data of the key object and the point cloud data of the background object, so as to obtain a three-dimensional model of the target scene; and when updating the three-dimensional model, reconstructing the three-dimensional model in a regional manner according to the feature database.

Abstract: Disclosed are a pharmaceutical composition and an application thereof. The pharmaceutical composition of the present invention comprises the following components in parts by weight: 2-20 parts of phenolic acids, 0.5-5 parts of flavonoids, 0.005-0.5 part of tanshinones, 5-20 parts of saponins, and 10-18 parts of volatile oils. The pharmaceutical composition has the functions of protecting against myocardial damage and treating heart failure.

Abstract: It is disclosed a method, an apparatus, a computing device, and a computer-readable storage medium for identifying a signal. The method includes demodulating a modulated signal to generate a transmission signal, transmitting the transmission signal, receiving an echo signal generated by a reflection of the transmission signal, demodulating the echo signal to obtain demodulated information, identifying the demodulated information by using a target network model to obtain an identification result of the echo signal, and outputting the identification result to a graphical user interface for display.

Abstract: An image processing controller for a display device includes a fixed-point circuitry and a plurality of neural network blocks cascaded sequentially. The fixed-point circuitry is electrically connected to each neural network block, and configured to receive a feature signal corresponding to an output feature map about the display device from each neural network block, perform fixed-point processing on the feature signal to acquire fixed-point data within a design accuracy range, and input the fixed-point data as an input feature map to a next-level neural network block.

Abstract: A pharmaceutical composition is prepared from the following raw materials (in parts by weight): silybin (8.75-60), phospholipid (15-65), a Pu'er tea extract (25-200), and vitamin E (6.25-40). The composition has the effect of treating non-alcoholic fatty liver diseases.

Abstract: A pharmaceutical composition is prepared from the following raw materials (in parts by weight): silybin (8.75-60), phospholipid (15-65), a Pu'er tea extract (25-200), and vitamin E (6.25-40). The composition has the effect of treating non-alcoholic fatty liver diseases.

Abstract: The embodiment of the present disclosure provides a positioning method, a positioning device and system, an electronic equipment and a computer readable medium. The positioning method comprises: establishing connection with a target node in response to feedback information returned by the target node; acquiring initial position information; acquiring real-time position information for multiple times; and positioning the target node according to the acquired initial position information and the real-time position information acquired for multiple times. wherein the real-time position information comprises the direction and the distance of the movement of the source node relative to the last position of the source node, the direction and the distance of the movement of the target node returned by the target node relative to the last position of the target node, and the distance between the target node and the source node.

Abstract: The present disclosure discloses a preparation method of a energetic metal coordination compound with 5-methyltetrazole, belonging to the technical field of energetic metal coordination compounds. The method comprises: dissolving methyltetrazole in distilled water, and adding a nitrate therein, to obtain a mixture; stirring the mixture for 30 min, then putting the mixture into a teflon-lined reactor, and reacting at a constant temperature of 120±1° C. for 72 h, to obtain a crude reaction product; cooling the crude reaction product to 80° C., thermally insulating for 12 h, and hereafter cooling to room temperature at a rate of 3° C./h, to obtain a target product. The coordination compound has a good explosion heat, high thermal stability, and low mechanical sensitivity. The present disclosure could obtain a product with a high yield by a green and environment-friendly method.

Abstract: The present disclosure discloses a preparation method of a energetic metal coordination compound with 5-methyltetrazole, belonging to the technical field of energetic metal coordination compounds. The method comprises: dissolving methyltetrazole in distilled water, and adding a nitrate therein, to obtain a mixture; stirring the mixture for 30 min, then putting the mixture into a teflon-lined reactor, and reacting at a constant temperature of 120±1° C. for 72 h, to obtain a crude reaction product; cooling the crude reaction product to 80° C., thermally insulating for 12 h, and hereafter cooling to room temperature at a rate of 3° C./h, to obtain a target product. The coordination compound has a good explosion heat, high thermal stability, and low mechanical sensitivity. The present disclosure could obtain a product with a high yield by a green and environment-friendly method.

Abstract: The present invention discloses a traditional Chinese medicinal composition for preventing and/or treating ischemia reperfusion injury; the traditional Chinese medicinal composition consists of salvianolic acids, Panax notoginseng saponins and total saponins of Astragalus.