35results about How to "Reduce risk of escape" patented technology

The invention belongs to the field of mariculture, particularly relates to a cylinder floating type module, and further relates to a cylindrical floating type fishery of a self-lifting net cage. The cylinder floating type module is provided with open pores near a waterline, which can prolong the natural period of the vertical motion of the fishery, thereby reducing motion response of the fishery under the operation and extreme working conditions. The self-lifting net cage structure can be completely locked on the joint position of the upper portion and lower portion of the cylinder floating type module. When fish is completely removed from the net cage, the net cage can be dried in the sun or frozen for disinfection, and a netting can also be checked and maintained very easily. The cylindrical floating type fishery of the self-lifting net cage has the advantages that under various different environmental working conditions, the net cage maintains a constant capacity, thereby ensuring that shoals of fish are not affected by the net cage movement and volume change and live in a low-pressure environment.

The invention provides a land-based water-permeable ecological fish culturing method comprising the following steps of: placing a cultivation device, primarily domesticating adult fish, adding the adult fish, carrying out daily monitoring, capturing finished-product fish and recycling the cultivation device. A natural barrier is formed by utilizing a land-based coastline; a cultivation region is enclosed by a surrounding net and the land-based coastline; the cost of a current net box production method is reduced; an activity space and the possibility of fishes are increased and the economic benefits of individuals are improved; artificial management elements are added, the density of a natural space is improved and the output of a unit area is increased; artificially-cultivated large yellow croakers are wildly domesticated in natural sea area provided with the cultivation device, so that the bodily forms of the artificially-cultivated large yellow croakers become thin, the fat is reduced, and the meat quality and the mouth feel are closer to those of wild large yellow croakers; and therefore, the economic value of the artificially-cultivated large yellow croakers is improved.

The invention discloses a range hood. The range hood comprises an exhaust fume collecting hood and an exhaust fume gathering component, wherein a main air inlet is formed in the exhaust fume collecting hood; and an exhaust fume collecting cavity is formed inside the exhaust fume collecting hood. The range hood is characterized in that the exhaust fume gathering component comprises a first exhaustfume gathering plate and a second exhaust fume gathering plate; the first exhaust fume gathering plate is arranged at the left side of the exhaust fume collecting hood; the second exhaust fume gathering plate is arranged at the right side of the exhaust fume collecting hood; a first auxiliary air inlet is formed in the bottom of the first exhaust fume gathering plate; a second auxiliary air inletis formed in the bottom of the second exhaust fume gathering plate; the first auxiliary air inlet and the second auxiliary air inlet are in communication with the exhaust fume collecting cavity; and the first exhaust fume gathering plate and the second exhaust fume gathering plate can be in a closed state in which the corresponding auxiliary air inlets are located inside the exhaust fume collecting hood, and in the expanded state in which the corresponding auxiliary air inlets are at least partially located outside the exhaust fume collecting hood.

The invention discloses a gas measurement and control system. The gas measurement and control system comprises sampling probes, a sampling distribution unit, an analysis unit and a control center, wherein the sampling probes are respectively arranged in all subareas of the cross section of the outlet of the gas channel, and sample gas in all the subareas is continuously equivalently conveyed to the sampling distribution unit interface through the sampling probes in sequence; the sampling distribution unit is used for distributing the sample gas of each subarea into two paths, one path is connected into a subarea inspection sampling group, and the other path is connected into a mixing device; the mixed sample gas is fully mixed by the mixing device and then continuously enters a mixed measurement analyzer, the sample gas in each subarea enters the mixed measurement analyzer in sequence according to a mixed measurement rule through a mixed measurement sampling group, and the synchronismof subarea mixed measurement and mixed measurement is ensured by adjusting specific parameters such as the pipeline length, the mixed sample gas flow and the mixed measurement sample gas flow; and thecontrol center comprises a controller and a big data-artificial intelligence control module, wherein the sampling probes, the sampling distribution unit, the analysis unit and the like are controlledto access the controller, the big data-artificial intelligence control module uses the mixed measurement value as a synchronous reference value to evaluate the patrol measurement value of each subarea, subarea optimization control is completed, and total optimization control is completed by using the mixed measurement value as a control target.

The invention relates to a near-suction-type range hood. The near-suction-type range hood comprises a shell, an air inlet plate, an oil fume baffle, a sensor detection module and a first driving mechanism, wherein the front side of the shell is provided with an opening; the air inlet plate is arranged in the opening position of the shell, and an air inlet is formed in the air inlet plate; the oil fume baffle is rotatably connected with the shell, and can close and open the air inlet; the sensor detection module is used for detecting concentrations of oil fume and/or water vapor at the front side of the shell; and a power output end of the first driving mechanism is connected with the oil fume baffle, and the oil fume baffle can be driven to be opened and kept in an angle state which matches the concentrations, detected by the sensor detection module, of the oil fume and/or the water vapor. According to the range hood, an opening and closing angle of the oil fume baffle can be dynamically adjusted by the oil fume baffle according to the oil fume condition, so that an oil fume suction effect is effectively improved. The invention further relates to a control method of the range hood.

The invention provides an access control checker for vehicles. A controller module and a vehicle information acquisition module are arranged to be used for verifying vehicle information, reserve information, and payment information and releasing vehicles when the vehicles are driven to enter and exit a parking lot, the above processes are all automatically carried out without human intervention to improve the management quality of the parking lot; when the vehicles are driven to enter and exit the parking lot, the license plate information is identified, so that the behaviors of driving stolen vehicles, stealing license plates, covering or falsifying the license plates of criminals in the parking lot are avoided; a wireless transmission module and a display module are arranged to be used for transmitting or displaying the number of current waiting vehicles in the parking lot, and the number and position of current remaining parking spaces in the parking lot for vehicle owners, so that the traffic jam nearby the parking lot is avoided, and the time is saved for the vehicle owners; a parking space guidance module is arranged, so that the vehicle owners can be guided by the module to find out the parking spaces, and thus the reciprocating driving and meeting events of each vehicle owner are avoided, the parking efficiency is improved, and the management quality of the parking lot is further improved.

The invention provides a roughening treatment technology for the surface of a bone implantation prosthesis. The roughening treatment technology comprises the steps that S1, spraying treatment is conducted on the bone implantation prosthesis; s2, removing an oxide layer on the surface of the substance obtained in the step S1; and S3, soaking the bone implantation prosthesis treated in the step S2 to form pores in the formed holes, taking out the bone implantation prosthesis, and putting the bone implantation prosthesis into an alkaline solution to be cleaned and stored while spraying an inert gas environment. The prosthesis has the advantages that the multi-stage holes formed in the surface of the prosthesis can enable bone tissue and the prosthesis to form an osseointegration area, the strength of the prosthesis cannot be affected, and meanwhile the osseointegration efficiency is improved.

The invention discloses a device (1) for filling an electric cigarette, more specifically for filling a consumable-material tank (2) of an electric cigarette, wherein the device (1) has a first tank (11) for accommodating a consumable material and a second tank (12) for accommodating air, wherein the device is designed such that the volumes of the tanks (11, 12) can be altered inversely by means of an actuating device (13a, 13b, 13c, 13d, 13e, 13f, 13g), and therefore a pressing action and an intake action can be established at connections (141, 142) of the tanks (11, 12). By virtue of the device (1) being connected to a consumable-material tank (2) of an electric cigarette, it is thus possible, while the consumable-material tank (2) is being filled with consumable material, for the air displaced by the consumable material to be simultaneously extracted from the electric cigarette.

Disclosed is a blasting device for blasting a part of a turbine blade, which has a blade root, a blade platform and a blade airfoil, with a blasting cubicle, which has an insertion opening, a blasting unit for the discharge of accelerated blasting media into the blasting cubicle, and a mounting for the turbine blade, wherein a seal is provided, which seals a gap between the mounting and the blade airfoil in the region of the insertion opening and so prevents the escape of dust, which is created when blasting, from the blasting cubicle, and wherein the seal seals the gap from the inner side of the cubicle.

The integrated thrombectomy stent comprises an integrally-formed stent body, the two ends of the stent body are the near end and the far end respectively, the diameter of the stent body is evenly and gradually reduced from the near end to the far end, and at least one far-end marker is arranged at the far end; the stent is respectively provided with a far-end part, a gradual change part and a near-end part which are connected from the far end to the near end, the diameter of the far-end part is 2-4mm, the diameter of the near-end part is 5-7mm, and the taper included angle of the gradual change part is 3-34 degrees; the pushing rod is connected with the near end of the support through the near-end marker, and the pushing rod is pushed to drive the support to move along the microcatheter. According to the thrombus extraction stent, thrombus can be rapidly extracted, the thrombus extraction stent completely conforms to an anatomy structure from the internal carotid artery to the middle cerebral artery M1 section of a Chinese person, when the thrombus extraction stent enters a target position, deformation of blood vessels is reduced, and operation safety is improved.

The invention belongs to the technical field of interventional therapy instruments, and particularly relates to an adjustable twisting thrombectomy device which comprises a conveying pipe, a bearing core wire, a control handle and a thrombectomy support. The conveying pipe is provided with a conveying near end and a conveying far end; the bearing core wire is inserted into the conveying pipe in a penetrating mode and is provided with a core wire near end extending out of the conveying near end and a core wire far end extending out of the conveying far end. The control handle is provided with a control button, and the control button is connected with the near end of the core wire and used for enabling the bearing core wire to move; the thrombus extraction support surrounds the outer side of the bearing core wire, one end of the thrombus extraction support is connected with the far end of the core wire, the other end of the thrombus extraction support is connected with the far conveying end, and the thrombus extraction support is used for expanding and twisting to wrap thrombus when the bearing core wire moves. The thrombus extraction support can be controlled, expansion of the thrombus extraction support and the size of meshes during thrombus extraction are controlled, and therefore the thrombus capture effect is improved, and the thrombus escape risk is reduced.

The invention relates to the technical field of medical prostheses, and provides a toe joint prosthesis with a low osteotomy amount. The toe joint prosthesis with the low osteotomy amount comprises a metatarsal platform and a phalanx platform, wherein the metatarsal platform and the phalanx platform can rotate relatively; a gasket is arranged between the metatarsal platform and the phalanx platform, and a limiting structure is arranged between the gasket and the phalanx platform; and only a metatarsal bone marrow needle is arranged on the metatarsal platform, and a toe bone marrow needle is arranged on the phalanx platform. The toe joint prosthesis with the low osteotomy amount has the beneficial effects that the limiting design is carried out between the gasket and the phalanx platform or the metatarsal platform, so that the post-operation prolapse risk of the gasket is reduced, and the post-operation repair probability is reduced; and on the basis that functions are not affected, the structure is simple, and the machining cost of enterprises, the operation risk of an operation and the operation cost of a patient are reduced.

The invention relates to the technical field of fire-fighting equipment, in particular to a fire-fighting fireproof door frame with compressed towels, and aims to solve the problems that when a fire breaks out, a wet towel cannot be prepared in time, and the towel is prevented from mildewing due to long-time non-use. The fire-fighting fireproof door frame with the compressed towels comprises a door frame body, wherein a vacuum storage cavity for storing the compressed towels is formed in the door frame body, a water injection cavity is formed in the bottom of the end wall of one side of the vacuum storage cavity in a communicating mode, a towel pushing-in assembly for pushing the compressed towels into the water injection cavity one by one is arranged in the vacuum storage cavity, a water injection assembly for injecting a proper amount of water into the water injection cavity is arranged in the water injection cavity and comprises a gravity lifting plate arranged in the water injection cavity in a sliding mode.