Abstract: Provided is a method for reconstructing a water-retaining and water-blocking layer by grouting in a mining area, including: performing geophysical exploration within a space from an aquifer to a goaf in a coal mining remediation zone of a mining area to obtain a first apparent resistivity at each of positions within the space, and selecting positions within the space where the first apparent resistivity is less than or equal to a first preset resistivity to form a first dominant water-conducting channel zone; performing a water flow direction test in at least two monitoring wells within the coalmining remediation zone to obtain a first flow direction fitting function for each monitoring well, and selecting two first flow direction fitting functions to calculate a first flow direction intersection; and determining that the first dominant water-conducting channel zone is accurate and performing a grouting operation on the first dominant water-conducting channel zone.

Abstract: Disclosed is a method, device, and storage medium for synchronous treatment of water hazard and subsidence. The method includes: exploring rock strata between a coal seam and a ground surface to determine basic data of the rock strata; in response to determining that the basic data meets a preset condition, setting a plurality of monitoring holes on the ground surface based on a drilling position; in response to determining that the coal seam is mined, performing water injection pressure monitoring on at least of the plurality of monitoring holes within a preset range at intervals of a preset time; in response to determining that a pressure change of the water injection pressure monitoring performed on any of the plurality of monitoring holes meets a first requirement, performing grouting on the any monitoring hole until a grouting pressure of the any monitoring hole reaches a second requirement.

Abstract: The present disclosure may provide a marking system for intestinal valve imaging. The marking system may obtain multiple intestinal images of an examined object. The marking system may perform intestinal valve segmentation on at least a portion of the multiple intestinal images to determine at least one independent intestinal valve. The marking system may also mark the at least one independent intestinal valve in the at least a portion of the multiple intestinal images.

Abstract: The present invention relates to the technical field of arc protection garments, in particular to an arc protection garment. The arc protection garment comprises: an arc protection garment body; a detachable fixed component comprising a fixed frame, a limit frame, an elastic member connection groove, and an opening; a protective plate; and a limit component comprising a movable frame and a sliding rack. The fixed plate is pulled to drive the sliding rack to move down, a limit rod descends and separates from a connection hook, and the protective plate can be quickly removed without turning over an injured person for emergency handling.

Abstract: Disclosed is a harmful gas detection device, comprising a hand-held mechanism, a detection mechanism, and an external mechanism, where the detection mechanism comprises a connecting cylinder, a detector body, and interference components; and the external mechanism comprises a wheel body, an external sleeve, and a rotating component. The detection mechanism can be placed in front of a staff by the hand-held mechanism, and the detection mechanism can introduce air from different positions on an advancing road into the detector body during movement. The wheel body can increase the load capacity, which can better improve the battery storage capacity.

Abstract: The present invention relates to the technical field of arc protection garments, in particular to an arc protection garment. The arc protection garment comprises: an arc protection garment body; a detachable fixed component comprising a fixed frame, a limit frame, an elastic member connection groove, and an opening; a protective plate; and a limit component comprising a movable frame and a sliding rack. The fixed plate is pulled to drive the sliding rack to move down, a limit rod descends and separates from a connection hook, and the protective plate can be quickly removed without turning over an injured person for emergency handling.

Abstract: A multi-color application method and device for an aluminum alloy wheel. The method is used for preparing a wear-resistant ceramic layer on a surface of the aluminum alloy wheel by using a plasma coating (PLMC) system, includes the steps of: pretreating the wheel, spraying an insulating powder coating, curing an insulating powder coating, making a multi-color pattern, cleaning the multi-color pattern, forming a PLMC, performing blocking, performing water washing, drying the PLMC, forming a transparent powder coating, curing a transparent powder coating, forming the PLMC includes preparation of a ceramic film at a multi-color application position, an electrolyte is a phosphate-silicate system, and the PLMC system is provided with: a power supply, a mechanical arm and a plurality of oxidation tanks, the mechanical arm plays a supporting role in wheel transportation and an oxidation process; and the oxidation tanks are used to prepare the PLMC with different colors in the electrolyte.

Abstract: The present invention discloses an automatic gluing apparatus for a fixed shaft-type rewinding reel, including a gluing mechanism and a glue supply mechanism, where the gluing mechanism includes a mounting plate, a side of the mounting plate is provided with a glue scraping head configured to apply a glue to the rewinding reel, a glue-scraping drive assembly that is configured to drive the glue scraping head to approach or leave the rewinding reel is disposed between the glue scraping head and the mounting plate, and the glue scraping head includes a glue scraping surface fitting with a shape of an outer surface of the rewinding reel; the glue supply mechanism disposed on a side of the mounting plate, connected to the glue scraping head. The gluing mechanism can resolve the inconvenience of the manual gluing operation, improve the efficiency of electrode plate rewinding.

Abstract: A method of manufacturing a particulate polymer includes introducing a polymer latex into a vessel; distributing the polymer latex in the vessel to a coagulator via a distribution member and a redistribution member; introducing a coagulant and steam into the coagulator; breaking the polymer latex; and separating the particulate polymer. The distribution member and the redistribution member are mounted on an agitator shaft of the coagulator, and are configured such that the polymer latex in the vessel enters the open top and exits the open bottom of the distribution member and flows into the redistribution member. The polymer latex in the redistribution member then overflows into the coagulator.

Abstract: The present disclosure may provide a marking system for intestinal valve imaging. The marking system may obtain multiple intestinal images of an examined object. The marking system may perform intestinal valve segmentation on at least a portion of the multiple intestinal images to determine at least one independent intestinal valve. The marking system may also mark the at least one independent intestinal valve in the at least a portion of the multiple intestinal images.

Abstract: Disclosed is an electrical control system for minimally invasive tumor therapies. The electrical control system for minimally invasive tumor therapies includes a control module, a perfusion module and a power box. The perfusion module includes a working medium storage tank, a tank liquid level meter, a tank pressure sensor, a tank deflation valve, a liquid charging valve and an external working medium container. The power box is configured to supply power to the control module and the perfusion module. The control module is configured to receive working medium parameters sent by the tank liquid level meter and the tank pressure sensor, and to control, when the work medium parameters meet a perfusion condition, the tank deflation valve and the liquid charging valve to open or close respectively so as to input working medium from the external working medium container into the working medium storage tank.

Abstract: Provided are a method for adjusting an in-tank pressure of a working medium storage tank and an apparatus for the same. The method includes: acquiring a backflow temperature collected by each of first thermocouples; counting the number of target backflow paths whose backflow temperature reaches a preset temperature; and adjusting an in-tank pressure of the working medium storage tank to a target in-tank pressure corresponding to the number of the target backflow paths according to the number of the target backflow paths and a corresponding relationship between a preset number of backflow paths and the in-tank pressure. The control box determines the target in-tank pressure corresponding to the number of the target backflow paths to realize automatic adjustment of the in-tank pressure of the working medium storage tank.

Abstract: Disclosed is an electrical control system for minimally invasive tumor therapies. The electrical control system for minimally invasive tumor therapies includes a control module, a perfusion module and a power box. The perfusion module includes a working medium storage tank, a tank liquid level meter, a tank pressure sensor, a tank deflation valve, a liquid charging valve and an external working medium container. The power box is configured to supply power to the control module and the perfusion module. The control module is configured to receive working medium parameters sent by the tank liquid level meter and the tank pressure sensor, and to control, when the work medium parameters meet a perfusion condition, the tank deflation valve and the liquid charging valve to open or close respectively so as to input working medium from the external working medium container into the working medium storage tank.

Abstract: Provided are a method for adjusting an in-tank pressure of a working medium storage tank and an apparatus for the same. The method includes: acquiring a backflow temperature collected by each of first thermocouples; counting the number of target backflow paths whose backflow temperature reaches a preset temperature; and adjusting an in-tank pressure of the working medium storage tank to a target in-tank pressure corresponding to the number of the target backflow paths according to the number of the target backflow paths and a corresponding relationship between a preset number of backflow paths and the in-tank pressure. The control box determines the target in-tank pressure corresponding to the number of the target backflow paths to realize automatic adjustment of the in-tank pressure of the working medium storage tank.

Abstract: The present disclosure discloses an interactive method and apparatus in a live room. The method includes: receiving, from a live backstage, a live video stream sent by a first client; displaying a live interface on a display screen according to the live video stream; receiving, from the live backstage, an interactive video sent by a second client, the second client and the first client belong to a same live room, and the interactive video being a video whose video duration is less than a preset threshold; and playing, in picture-in-picture mode (PIP), the interactive video on a PIP area of the live interface.

Abstract: A protease with a function of degrading carotenoids of scallop is provided, which belongs to the technical field of genetic engineering. In particular, the present invention relates to the sequence and application of a carotenoid oxidase gene of scallop. The present invention analyzes the gene sequence, and verifies that the gene has function of degrading carotenoids of scallop scallop by RNA interference technology, and can be used to increase the carotenoid content of the scallop muscle of scallop scallop. The gene verified that the gene expression products can degrade carotenoids accumulated in bacteria. In addition, the RNA interference method provides a powerful tool for the study of scallop functional genes; the prokaryotic expression and protein purification methods provided can efficiently prepare oxidative lyases of carotenoid in scallop, so as to provide necessary experimental tools for in-depth research of the mechanism of shell carotene metabolism.

Abstract: The application discloses an improved wheel pretreatment rack. The wheel pretreatment rack includes a hook, tripods, positioning slide blocks, positioning holes, a main rod, bearing rods, braces and positioning clamping jaws. Compared with the traditional wheel pretreatment rack, the improved wheel pretreatment rack in use has the advantages that the requirement of wheels having different sizes for the pretreatment rack is met by adjusting the positions of the bearing rods up and down, and the problems of drop, scratch and the like in the cleaning pretreatment process of the wheel may be effectively prevented by a wheel three-point-fixing mode.

Abstract: A method for providing a resin having minimal discoloration comprises combining, in a reactor or a reactor vessel, monomers, an emulsifier or surfactant, and an initiator in solution to form a polymeric latex; directing the polymeric latex into a storage system comprising a storage vessel; maintaining the latex in the storage vessel for an aging time and ensuring that the polymeric latex exhibits less than 1000 CFU/ml of biological growth according to ASTM D 5465-93 (2012) upon completion of the aging time; and coagulating the polymeric latex, wherein the polymeric latex is exposed to a mixture of water and a coagulant and filtered to provide a resin.

Abstract: The present invention discloses a construction method for serial sequencing libraries of RAD tags, including the following steps: conducting an enzyme digestion reaction with DNA using endonuclease; ligating; enzyme-digested fragments with adaptors that contain restriction enzyme sites of SapI, featured base sequences for serial ligation of RAD tags, and universal sequences for the binding of amplification primers; conducting PCR amplification using a combination of biotin primers and general primers; collecting target PCR product by gel; amplifying again; and equally mixing and purifying; conducting enzyme digestion on the PCR products using the SapI enzyme and heating tags in series; purifying the long serial tags through gels and then conducting PCR.

Abstract: The present invention relates to a process for the production of a polymer comprising the steps of: a) polymerisation of an emulsion comprising a reaction mixture to obtain a polymeric latex; and b) coagulating the polymeric latex by exposing the polymeric latex to one or more coagulant, and isolating the coagulated product to obtain a polymer; wherein the polymeric latex obtained under a) is stored prior to coagulation step b) for at most such a time that the polymeric latex contains ?500 CFU/ml of pigment-producing organisms as determined in accordance with ASTM D 5465-93 (2012) when subjecting the polymeric latex to coagulation step b). Such process allows for the production of a polymer having a reduced discoloration. The polymers may have a desirable appearance such as an opaque, white appearance.