Abstract: The present disclosure provides an arctigenin liquid nano-preparation and a preparation method thereof, and relates to the technical field of pharmaceutical preparation. In the present disclosure, arctigenin is prepared into a liquid nano-preparation, having advantages of distribution of a droplet diameter on nanoscale, significantly increased specific surface area, rapid absorption, and high bioavailability. Meanwhile, nano-preparation entered the body can be captured by wandering leucocytes, and a medicament is delivered to inflammatory lesions through chemiotaxis, thereby conferring a targeted drug delivery feature on the arctigenin and making a therapy more targeted. Moreover, in the present disclosure, the arctigenin is dissolved in an oil phase, and the oil phase is dissolved in water by emulsification to further make the arctigenin dissolve in the water and increase water solubility of the arctigenin.

Abstract: Provided are a mercapto group-loaded layered double hydroxide (LDH)-based magnetic composite particle, and a preparation method and use thereof. The method includes: dissolving a water-soluble divalent magnesium salt and a water-soluble trivalent aluminum salt in water to obtain a mixed salt solution; pumping ammonia water into the mixed salt solution, and performing reaction I under stirring, subjecting an obtained product to centrifugation, and washing product obtained with deionized water; mixing the product with water, ethanol, and a coupling agent KH-580 to obtain a mixture, subjecting the mixture to reaction II while stirring to obtain mercapto group-loaded LDH; mixing the mercapto group-loaded LDH with ferroferric oxide and sodium alginate, adding deionized water thereto, and stirring to obtain a homogeneous mixed solution; adding the homogeneous mixed solution into a calcium chloride solution dropwise to form a magnetic bead; and leaving the magnetic bead to harden, and then washing and drying.

Abstract: A model for predicting bioavailability of arsenic in site soil and a construction method and an application thereof, includes steps of: leveling soil after selecting a measuring point, vertically placing a measuring sleeve, fully supplying water to site soil to be measured, balancing for 20-40 min, measuring a water content in a soil volume not less than 40%, placing a piston DGT device into the measuring sleeve and pressing the device into soil, covering a top of the measuring sleeve with a wind shield, cleaning the piston DGT device after the measurement, analyzing a concentration of available arsenic by ICP-MS, and measuring available arsenic of soil; linearly fitting the available arsenic measured by a DGT method with human bioavailable arsenic measured by a UBM method, and obtaining a model for predicting bioavailability of arsenic in site soil.

Abstract: An implant delivery tube fitting (12) and an implant delivery system. The implant delivery tube fitting (12) is used for loading and delivering an implant, and the implant delivery tube fitting (12) comprises, sequentially from a proximal end to a distal end, an outer tube (122) and a capsule (121). The inner lumen of the capsule (121) is adapted to receive an implant, and the capsule (121) is provided at the distal end of the outer tube (122). The capsule (121) has a telescopic structure, and the outer tube (122) can drive the capsule (121) to make a telescopic movement so that the capsule (121) is lengthened or shortened.

Abstract: A vehicle-mounted in-situ magnetic field decontamination device for heavy metal contaminated soil with a retractable baffle is provided and includes a mounting frame, a plurality of magnetic rods circumferentially move along the mounting frame, the mounting frame and a lifting regulator are hinged with an agricultural machinery frame body, and an upper end of the mounting frame is supported by the lifting regulator. A magnetic particle recovery assembly is arranged below the upper end of the mounting frame. A retractable baffle assembly includes baffle springs and non-magnetic baffles, which each sleeve a corresponding magnetic rod. A turn-over channel for the retractable baffle assembly to move is provided at a middle part of mounting frame. Compression flaps are provided at both sides of turn-over channel, and an ejection flare for the ejection of the non-magnetic baffles is formed between free ends of the compression flaps at both sides.

Abstract: A movable controlled atmosphere store for fruits and vegetables, including: a store body in rectangular container structure and successively provided with an equipment room and a storage room along length direction; the equipment room is provided with an equipment door respectively on left and right sides; the storage room is in thermal insulation and sealing structure and provided with a sealing door at an end far away from the equipment room, and is provided with a sampling door on a side which is provided with a sealing film connected around a frame thereof, and a sampling assembly connected with the sealing film in cylindrical structure; a controlled atmosphere control system, including a control panel, as well as a refrigerator, a humidifier, a sterilizer, a nitrogen generator, a carbon dioxide adsorber, an ethylene adsorber, a temperature and humidity sensor and a gas concentration sensing device connected with the control panel.

Abstract: A movable controlled atmosphere store for fruits and vegetables, including: a store body in rectangular container structure and successively provided with an equipment room and a storage room along length direction; the equipment room is provided with an equipment door respectively on left and right sides; the storage room is in thermal insulation and sealing structure and provided with a sealing door at an end far away from the equipment room, and is provided with a sampling door on a side which is provided with a sealing film connected around a frame thereof, and a sampling assembly connected with the sealing film in cylindrical structure; a controlled atmosphere control system, including a control panel, as well as a refrigerator, a humidifier, a sterilizer, a nitrogen generator, a carbon dioxide adsorber, an ethylene adsorber, a temperature and humidity sensor and a gas concentration sensing device connected with the control panel.

Abstract: A pulsation-free wet spraying machine resolves the issue of pulsing during pumping of a concrete spraying machine.

Abstract: A pulsation-free wet spraying machine resolves the issue of pulsing during pumping of a concrete spraying machine The wet spraying machine includes a frame, a pumping mechanism, a swing mechanism and a hydraulic system, wherein the pumping mechanism includes a hopper, a material chamber, a concrete feeding mechanism, an auxiliary feeding mechanism and a distribution valve. The hopper of the pumping mechanism is disposed above the material chamber. The distribution valve is disposed inside the material chamber, the concrete feeding mechanism and the auxiliary feeding mechanism both include a hydraulic cylinder, a concrete piston and a concrete cylinder, a discharge pipe is a three-way pipe fixed at a side surface of the material chamber, an auxiliary discharge pipe of the discharge pipe is connected with an auxiliary concrete cylinder, and a through hole is disposed on the auxiliary concrete cylinder.

Abstract: The present disclosure relates to a data clearing method, apparatus, and storage medium. The method includes: determining whether a difference between a latest access time of data stored in a currently scanned node in a data structure, and a current time is greater than a predetermined threshold, where the data structure includes a plurality of nodes and each node store a latest access time and file information of respective data to be cleared; if the difference is greater than the predetermined threshold, determining whether the data to be cleared is in a white list; if the data to be cleared corresponding to the currently scanned node is in the white list, continuing to scan a next node; and if the data to be cleared corresponding to the currently scanned node is not in the white list, clearing the data to be cleared corresponding to the currently scanned node.

Abstract: A method for counting electricity consumption includes obtaining a plurality of groups of electricity parameters. Each of the groups of electricity parameters includes a reading of a smart electricity meter and corresponding statuses of smart switches connected to the smart electricity meter. The method also includes determining an average power of at least one of the smart switches according to at least one of the plurality of groups of electricity parameters, determining a working period of the at least one of the smart switches within a set counting period, and determining an electricity consumption of the at least one of the smart switches in the counting period according to the working period and the average power of the at least one of the smart switches.

Abstract: A navigation method and device are provided. The method includes: receiving start point information and end point information sent by a target device; acquiring a target path navigation video from a start point to an end point based on the start point information and the end point information; and sending the target path navigation video to the target device. Accordingly, the target path navigation video is broadcasted in real time, thereby the user may determine whether a deviation occurs between the target path and the actual route in real time, and an accuracy of navigation is improved.

Abstract: A method, an apparatus, and a system are provided for automatically repairing a smart device in the field of computer technology. In the method, the apparatus receives a fault detection request transmitted by the smart device, the fault detection request carrying at least one current value of at least one preset parameter item of the smart device. The apparatus determines whether the at least one current value is within a preset range according to a first value characteristic. When it is determined that the at least one current value is within the preset range, the apparatus obtains first fault repair information corresponding to the first value characteristic from a correspondence table. The apparatus transmits the first fault repair information to the smart device, so that the smart device is automatically repaired according to the first fault repair information.

Abstract: A method for exiting a group includes receiving an exiting request for exiting a target subgroup. The exiting request is sent by a client and includes a subgroup identifier of the target subgroup. The method further includes searching a member list of the target subgroup according to the subgroup identifier and deleting the client from the member list. The target subgroup is associated with a target group. Members of the target subgroup constitute a subset of members of the target group.

Abstract: The present disclosure relates to a data clearing method, apparatus, and storage medium. The method includes: determining whether a difference between a latest access time of data stored in a currently scanned node in a data structure, and a current time is greater than a predetermined threshold, where the data structure includes a plurality of nodes and each node store a latest access time and file information of respective data to be cleared; if the difference is greater than the predetermined threshold, determining whether the data to be cleared is in a white list; if the data to be cleared corresponding to the currently scanned node is in the white list, continuing to scan a next node; and if the data to be cleared corresponding to the currently scanned node is not in the white list, clearing the data to be cleared corresponding to the currently scanned node.

Abstract: A method for transferring a message includes receiving a message passing request. The message passing request includes a message to be passed, first information regarding a source account generating the message to be passed, and second information regarding a target account of the message to be passed. The method also includes determining a message passing path from the source account to the target account according to stored association relationships between user accounts. The message passing path includes at least one relay user account. The method further includes transferring the message to be passed to the target account through the message passing path.