Abstract: An electro-hydraulic servo valve, which has an adjustable null position and can be directly driven by the motor, is provided and includes four parts: a slide valve assembly, a two-dimensional motor, a magnet resetting-to-null mechanism, and a displacement sensor, and the four parts are set coaxially arranged. The slide valve assembly is a conventional two-dimensional servo valve structure. The two-dimensional motor may directly drive the valve core to rotate to further control a size of an opening opened by a valve. The magnet resetting-to-null mechanism is configured to reset the valve to the null position. The displacement sensor may monitor a position of the valve core in real-time and feedback signals to achieve closed-loop controlling.

Abstract: A quartz container manufacturing method and a forming apparatus, relating to the solar photovoltaic technical field, and providing a mold comprising a top cylinder and a mold bottom; during formation of a container blank, when the mold forms a first included angle with a horizontal plane and the mold is rotated at a first rotation speed, the source material forms a first blank on the inner wall of the top cylinder; when the mold forms a second included angle with the horizontal plane and the mold is rotated at a second rotation speed, the source material forms a second blank on the inner wall of the mold bottom; a quartz container is manufactured from a container blank composed of the first blank and the second blank.

Abstract: A high-strength geopolymer hollow microsphere, a preparation method thereof and a phase change energy storage microsphere are provided, including: dissolving sodium hydroxide, sodium silicate and spheroidizing aid in water to form a solution A, and adding active powder to the solution A, stirring and uniformly mixing to form a slurry B, adding the slurry B to an oil phase, stirring and dispersing into balls, filtering to obtain geopolymer microspheres I, washing the geopolymer microspheres I, and then carrying out a high-temperature calcination to obtain the high-strength geopolymer hollow microspheres II; using the high-strength geopolymer hollow microsphere as a carrier, absorbing a phase change material into the carrier, and mixing a microsphere carrying the phase change material with an epoxy resin, adding a powder dispersant and stirring to disperse the microsphere, after the epoxy resin is solidified, screening the superfluous powder dispersant to obtain the phase energy storage microsphere.

Abstract: A terminal performs: in response to receipt of first identifying information, from a first function-executing device via a first wireless connection established between the terminal and the first function-executing device, receiving, when the computer program is launched by an OS program of the terminal, at least the first device-identifying information from the OS program; establishing a second wireless connection between the terminal and the first function-executing device, using the first device-identifying information received from the OS program without requiring user input of an operation for selecting a connection-target function-executing device from at least one function-executing device; receiving first function information that indicates at least one function executable by the first function-executing device; and displaying, a first function screen for enabling a user to select a function required of the first function-executing device to execute, from the at least one function executable by the fi

Abstract: This disclosure is directed to techniques in which a first user in an environment scans visual indicia associated with an item, such as a barcode, before handing the item to a second user. One or more computing devices may receive an indication of the scan, retrieve image data of the interaction from a camera within the environment, identify the user that received the item, and update a virtual cart associated with the second user to indicate addition of the item.

Abstract: Disclosed herein is a fast-dispersing suspending composition which promotes the formation of a suspension for pharmaceutical, food and veterinary products. The composition includes a suspending agent, a diluent, and a glidant, wherein the amounts of these agents are selected to enable the dispersion of the composition and the formation of the suspension. Also disclosed are a method of forming a suspension of a solid dosage form and a method of administering the resulting suspension to a subject.

Abstract: A terminal device may display a setting screen for inputting setting information; after the setting information is inputted in the setting screen, supply a communication executing instruction to an OS program. The OS program may supply a signal sending instruction to a first wireless interface. The first wireless interface may start sending a polling signal, establish a first wireless connection with a function executing device, and communicate connection information with the function executing device by using the first wireless connection. The OS program may establish, by using the connection information, a second wireless connection for communicating with the function executing device via a second wireless interface. In a case where the second wireless connection is established, the terminal device may send a function executing request to the function executing device via the second wireless interface by using the second wireless connection.

Abstract: A reservoir simulation platform is provided. The reservoir simulation platform includes a mimetic finite discretization scheme and an operator-based linearization approach. The reservoir simulation system further includes a parallel framework for coupling the mimetic finite discretization scheme and the operator-based linearization approach.

Abstract: The present invention belongs to the field of medicine, and specifically discloses an amino alcohol derivative represented by Formula I, a pharmaceutically acceptable salt, solvate, polymorph or prodrug thereof. In addition, the present invention also discloses a pharmaceutical composition comprising the above substances, and a use of the substance in the preparation of a medicament for the prevention and treatment of an immune inflammatory disease, or a disease or condition associated with immunological competence such as multiple sclerosis, ALS, CIDP, systemic lupus erythematosus, rheumatoid arthritis, ulcerative colitis, psoriasis, polymyositis, etc.

Abstract: A preparation method for the carrier, includes: 1) mixing hydrated alumina with an organic acid to obtain a mixture A; and 2) adding tetraalkylsiloxane to the mixture A, thus obtaining a mixture B; stirring the mixture B in a closed condition; spraying atomized water into the mixture B; and stirring to yield the carrier.

Abstract: A method for co-production of monophenols and cellulose by transition metal oxide catalytic oxidation of biomass is disclosed. The method uses transition metal oxide as catalyst and pretreated dry biomass as raw material to obtain high purity and selectivity of monophenolic chemicals with co-produced cellulose under mild conditions.

Abstract: A method of hydrolysis of dimethyl succinyl succinate includes: adding DMSS and water to a reactor, and stirring; adding a phase transfer catalyst to the reactor, and heating; and adding an acid and a transition metal salt to the reactor for hydrolysis of DMSS. The acid is sulfuric acid, hydrochloric acid or nitric acid, and the W ion concentration of the mixture in the reactor is 0.2-12 mol/L. The transition metal salt is a nitrate, sulfate, or chloride of copper, nickel, zinc or manganese, or a combination thereof; and the metal ion concentration of the mixture in the reactor is 0.01-0.1 mol/L.

Abstract: The present application relates to tunnel monitoring and measuring, more particularly, to a quick fixing device for measuring a tunnel peripheral convergence and an application method thereof. A right-angle steel sheet includes a first steel sheet and a second steel sheet which are vertically fixed with each other. The fastener vertically penetrates the first steel sheet, and an explosive powder loading portion on a rear end of the fastener is arranged at a side of the second steel sheet. The reinforcing steel sheet is respectively connected to the first steel sheet and the second steel sheet as a reinforcing bar. A through hole is provided on the reinforcing spacer, through which the reinforcing spacer is sleeved on the fastener. The reinforcing spacer is arranged between the explosive powder loading portion on the rear end of the fastener and the first steel sheet.

Abstract: The embodiments of the present application provide an indoor positioning system, including an information source module, a gateway, a first leaky cable and a first positioning device; where the information source module is connected to a first end of the first leaky cable through a feeder; the first positioning device is arranged between the first end of the first leaky cable and the feeder, and the first positioning device is configured to transmit a positioning signal through the first leaky cable, so as to enable the terminal to perform positioning according to the positioning signal. There is no need to set up a new positioning system, thus reducing costs for network construction as well as space requirements for the network construction.

Abstract: A terminal performs: in response to receipt of first identifying information, from a first function-executing device via a first wireless connection established between the terminal and the first function-executing device, receiving, when the computer program is launched by an OS program of the terminal, at least the first device-identifying information from the OS program; establishing a second wireless connection between the terminal and the first function-executing device, using the first device-identifying information received from the OS program without requiring user input of an operation for selecting a connection-target function-executing device from at least one function-executing device; receiving first function information that indicates at least one function executable by the first function-executing device; and displaying, a first function screen for enabling a user to select a function required of the first function-executing device to execute, from the at least one function executable by the fi

Abstract: The present invention relates to a mutated virus. Said virus can be an influenza virus of human or other animal origin. The present invention also relates to a method for preparing the mutated virus, the method comprising introducing UAG codons into positions upstream of the stop codons per se of one or more genes of a viral genome by reverse genetic techniques. The present invention further relates to uses of the mutated virus, for example, as a live attenuated vaccine, or in replication of controllable and safe virus models, and the like.

Abstract: A terminal performs: in response to receipt of first identifying information, from a first function-executing device via a first wireless connection established between the terminal and the first function-executing device, receiving, when the computer program is launched by an OS program of the terminal, at least the first device-identifying information from the OS program; establishing a second wireless connection between the terminal and the first function-executing device, using the first device-identifying information received from the OS program without requiring user input of an operation for selecting a connection-target function-executing device from at least one function-executing device; receiving first function information that indicates at least one function executable by the first function-executing device; and displaying, a first function screen for enabling a user to select a function required of the first function-executing device to execute, from the at least one function executable by the fi

Abstract: A service platform obtains order data of an order placed by a target user through a user interface and history data of the target user associated with one or more user interface operations for placing the order, where the history data includes page code of one or more pages of the user interface associated with the one or more user interface operations. The service platform generates, based on the history data and the order data, usage data of the target user. The service platform determines a digital digest of the usage data. The service platform sends the digital digest to a blockchain network associated with a blockchain, where the digital digest is verified by a blockchain node of the blockchain network, and where the digital digest is stored on the blockchain in response to a determination that the digital digest passes a verification.

Abstract: The present disclosure relates to a chassis of an automated guided vehicle. The chassis of an automated guided vehicle includes a first mounting plate (100); a first wheel set mounted on the first mounting plate (100); a second mounting plate (200) rotatably connected to the first mounting plate (100); a second wheel set mounted on the second mounting plate (200); a support frame (701); a first connecting rod (702) rotatably connected to the support frame (701) and the first mounting plate (100), respectively; and a second connecting rod (703) fixedly connected to the support frame (701) at one end thereof, and rotatably connected to the second mounting plate (200) at the other end thereof. The automated guided vehicle includes the above-mentioned chassis of an automated guided vehicle.