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36results about How to "Reduce risk of escape" patented technology

Large-scale large yellow croaker culturing device for high seas and deep seas

The invention provides a large-scale large yellow croaker culturing device for high seas and deep seas, which comprises at least three buoys, wherein the buoys are connected with each other through purse nets so as to form a sealed culturing area, wherein the purse nets are formed by connecting net pieces in sequence; ropes are respectively arranged at the upper ends and the lower ends of the purse nets; floaters are arranged at the upper ends of the purse nets; net weights capable of enabling the lower ends of the purse nets to sink into sludge are arranged at the lower ends of the purse nets; the purse nets are expanded to form net walls, so that a bottomless culturing device is formed; sinking piles are arranged outside the purse nets at intervals; and the purse nets are connected and matched with the sinking piles through connecting ropes. The large-scale large yellow croaker culturing device has the advantages of strong wave resistance, large unit culturing area and convenience for placing and recycling; through the adoption of natural resources in the deep sea, artificially cultured large yellow croakers are acclimatized, so that meat qualities and mouth feels of the large yellow croakers are closer to those of wild large yellow croakers; therefore, the economic values of the artificial large yellow croakers are increased.
Owner:浙江御龙海洋科技有限公司

Cylinder floating type module and cylindrical floating type fishery of self-lifting net cage

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.
Owner:HARBIN ENG UNIV

Land-based water-permeable ecological fish culturing method

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.
Owner:浙江御龙海洋科技有限公司

Range hood

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.
Owner:NINGBO FOTILE KITCHEN WARE CO LTD

Gas measurement and control system and application thereof in denitration flue gas detection

ActiveCN110967455AGood technical effectContinuous homogeneous mixing samplingMaterial analysisThermodynamicsControl system
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.
Owner:BEIJING GUODIAN LONGYUAN ENVIRONMENTAL ENG +2

Near-suction-type range hood and control method of range hood

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.
Owner:NINGBO FOTILE KITCHEN WARE CO LTD

Access control checker for vehicles

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.
Owner:GUILIN JINYIXING TECH DEV CO LTD

Roughening treatment technology for surface of bone implantation prosthesis

PendingCN114344560AReduce manufacturing costReduce Biological RiskProsthesisEngineeringBone tissue
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.
Owner:BEIJING CHUNLIZHENGDA MEDICAL INSTR +1

Method and device for removing SOx and NOx in catalytic cracking flue gas

The invention relates to the field of flue gas purification, and discloses a method and a device for removing SOx and NOx in catalytic cracking flue gas. The method comprises the following steps: a) catalytic cracking flue gas containing SOx and NOx is contacted with an adsorbent to remove SOx in the catalytic cracking flue gas; and b) the catalytic cracking flue gas from which SOx is removed, a reducing gas and a catalyst are contacted to carry out a selective reduction reaction to remove NOx. The device comprises a purification reactor, a regeneration reactor and a reducing gas storage tank,wherein the purification reactor is provided with a first reaction zone and a second reaction zone; the first reaction zone is provided with a riser reactor and a settling zone; the second reaction zone is provided with a catalyst bed; the purification reactor is provided with a reducing gas inlet; an outlet of the reducing gas storage tank is communicated with the reducing gas inlet of the purification reactor; and the reducing gas inlet is formed below the catalyst bed. According to the method and the device provided by the invention, secondary discharge of wastewater or waste residues is avoided, continuous operation can be realized, and the removal effect of SOx and NOx is good.
Owner:CHINA PETROLEUM & CHEM CORP +1

Blasting device

InactiveUS20080295557A1Reduce risk of escapeEscape of dust from the blasting cubicle is effectively preventedTurbine bladeEngineering
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.
Owner:SIEMENS AG

Support, thrombus withdrawing device and thrombus withdrawing system

The invention provides a support, a thrombus withdrawing device and a thrombus withdrawing system. The thrombus withdrawing system comprises a conveying device and the thrombus withdrawing device, wherein the thrombus withdrawing device comprises the support, hollow connecting rods and a traction body, and the support comprises a plurality of capturing structures which are sequentially connected end to end; each capturing structure comprises a supporting frame and a capturing layer; each supporting frame comprises a proximal end part and a distal end part which are arranged from the near to the distant, and each capturing layer surrounds the corresponding supporting frame and covers the surface of the corresponding distal end part; the hollow connecting rods are used for connecting heads and tails of adjacent two capturing structures; the traction body movably penetrates through all the hollow connecting rods and is connected with a distal end of the thrombus withdrawing device; and the traction body is configured to generate an axial acting force on the thrombus withdrawing device in case of being pulled, so as to strut the supporting frames of all the capturing structures outwards. The support, the thrombus withdrawing device and the thrombus withdrawing system have the advantages that the size of the thrombus withdrawing device is reduced, the flexibility and adherence of the thrombus withdrawing device are improved, and the success rate of thrombus capturing is further increased.
Owner:MICROPORT NEUROTECH SHANGHAI

Integrated thrombectomy stent with gradually-changed diameter

PendingCN114191154AReduce risk of escapeReduce deformationStentsSurgeryCarotid internal arteryThrombus
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.
Owner:天津市环湖医院

Adjustable twisting thrombectomy device

PendingCN114159124AEasy to controlImprove capture performanceSurgeryMedicineThrombus
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.
Owner:BEIJING TAIJIE WEIYE TECH

Large-scale large yellow croaker culturing device for high seas and deep seas

The invention provides a large-scale large yellow croaker culturing device for high seas and deep seas, which comprises at least three buoys, wherein the buoys are connected with each other through purse nets so as to form a sealed culturing area, wherein the purse nets are formed by connecting net pieces in sequence; ropes are respectively arranged at the upper ends and the lower ends of the purse nets; floaters are arranged at the upper ends of the purse nets; net weights capable of enabling the lower ends of the purse nets to sink into sludge are arranged at the lower ends of the purse nets; the purse nets are expanded to form net walls, so that a bottomless culturing device is formed; sinking piles are arranged outside the purse nets at intervals; and the purse nets are connected and matched with the sinking piles through connecting ropes. The large-scale large yellow croaker culturing device has the advantages of strong wave resistance, large unit culturing area and convenience for placing and recycling; through the adoption of natural resources in the deep sea, artificially cultured large yellow croakers are acclimatized, so that meat qualities and mouth feels of the large yellow croakers are closer to those of wild large yellow croakers; therefore, the economic values of the artificial large yellow croakers are increased.
Owner:浙江御龙海洋科技有限公司

Infectious specimen containment device and method of use thereof

The invention relates to an infectious specimen containing device and a method for using the same, belonging to the technical field of medical devices, comprising a specimen outer sleeve and a specimen collection sleeve, the specimen outer sleeve includes a sleeve body and a sleeve cover, and the sleeve The body has a volume chamber that can accommodate the volume of the specimen collection cylinder, the volume chamber is filled with disinfectant, the sleeve cover is provided with an injection nozzle, and the specimen collection cylinder includes a collection cylinder body and a collection cylinder cover. The outer side of the collection tube cover is provided with a protective bag, the protective bag is provided with an elastic contraction port, the inner side of the collection tube cover is fixedly provided with a specimen collection head, and the collection tube body has a storage cavity that can accommodate the collection head. The bottom of the inner cavity of the volume cavity is provided with a fixed platform. The invention integrates sampling and storage functions, is reliable in fixation, safe in storage and transportation, completes sampling, that is, completes inspection, reduces operating procedures, reduces infection risks, and improves operating efficiency and safety.
Owner:常娟

Method for large-scale breeding of large yellow croakers in open deepwater sea area

The invention discloses a method for large-scale breeding of large yellow croakers in the open deepwater sea area. The method comprises the steps as follows: laying a breeding device; putting adult fishes into the breeding device; daily monitoring; catching the finished fishes; and recovering the breeding device. A closed area is defined through a netting, the position of the netting is kept relatively stable by a buoy, and the artificially bred large yellow croakers are wildly acclimatized in the deepwater sea area by making full use of the natural resources in the deepwater sea area, so that the meat quality and the mouth feel of the artificially bred large yellow croakers are closer to those of the wild large yellow croakers, and further the economic value of the artificially bred large yellow croakers is increased.
Owner:浙江御龙海洋科技有限公司

Toe joint prosthesis with low osteotomy amount

PendingCN113425470AReduce risk of escapeReduce the probability of postoperative repairAnkle jointsToe jointsBone marrowEngineering
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.
Owner:BEIJING CHUNLIZHENGDA MEDICAL INSTR

Scanning test compression optimization method

InactiveCN110687437AHigh test compression efficiencyAvoid time costDigital circuit testingFault coverageDegree of parallelism
The invention discloses a scanning test compression optimization method. The method comprises the following steps: firstly, measuring the loss of fault coverage by adopting a method for analyzing a compression rate; improving the compression ratio through a method of fixing a scanning channel within the range meeting the coverage requirements, properly reducing the length of each scanning chain and increasing the number of the scanning chains, and analyzing test compression results of test vector and test time and the like; increasing the number of the scanning channels by adopting a fixed compression ratio mode, increasing the number of scanning chains under the condition that the degree of parallelism is not changed, and meanwhile, reducing the length of the scanning chains; analyzing test compression results of test vectors and test time and the like; and finally, obtaining an optimal length range of the scanning chains and the optimal number of the scanning chains by integrating the two aspects. According to the invention, a more optimized test compression scheme can be provided, and the cost of the chip in the test link is reduced.
Owner:TIANJIN UNIV

Thrombectomy stand, thrombectomy device and thrombectomy system

The invention relates to a thrombectomy bracket, a thrombectomy device and a thrombus retrieval system. The thrombus retrieval bracket includes a first bracket body and a second bracket body: the second bracket body is arranged at the far end of the first bracket body; the second bracket body It includes a first pipe diameter section and a transition section; the first pipe diameter section and the transition section are arranged alternately along the axial direction of the thrombectomy support, and two adjacent first pipe diameter sections are connected by a transition section; near the thrombectomy support When the end and the distal end are relatively far apart in the axial direction, at least a partial area of ​​the first pipe diameter section shrinks radially, and the radially contracted areas of two axially adjacent first pipe diameter sections form an included angle. When the thrombus retrieval stent of the present invention is pulled after capturing a thrombus in a blood vessel, the thrombus retrieval stent can maintain its shape in different directions, and the entire thrombus retrieval stent will not collapse significantly, and the thrombus retrieval stent that can maintain its shape in different directions can increase thrombus The resistance to escape can effectively capture thrombus in different directions and reduce the risk of thrombus escape.
Owner:HANGZHOU DINOVA NEUROSCIENCE CO LTD

A gas measurement and control system and its application in denitrification flue gas detection

ActiveCN110967455BContinuous homogeneous mixing samplingData representativeness is strongMaterial analysisThermodynamicsControl system
The invention discloses a gas measurement control system, which comprises: a sampling probe, a sampling distribution unit, an analysis unit and a control center. Among them, the sampling probes are respectively set in each partition of the cross-section of the exit of the gas channel, and the sample gas of each partition reaches the interface of the sampling distribution unit continuously and at the same time through the sampling probe; Partition patrol sampling group, all the way connected to the mixing device; the mixed sample gas is fully mixed by the mixing device and then continuously enters the mixed test analyzer, and the sample gas of each partition enters the patrol analyzer in sequence according to the patrol rules through the patrol sampling group. Adjust specific parameters such as pipeline length, mixed sample gas flow rate, and patrol sample gas flow rate to ensure the synchronization of partition patrol and mixed measurement; the control center includes a controller and a big data-artificial intelligence control module, in which the sampling probe, sampling Distribution units, analysis units, etc. are controlled and connected to the controller. The big data-artificial intelligence control module uses the mixed measurement value as a "synchronous reference value" to evaluate the survey values ​​of each zone, completes the zone optimization control, and completes the control target based on the mixed measurement value Total optimization control.
Owner:BEIJING GUODIAN LONGYUAN ENVIRONMENTAL ENG +2

Tunnel structures for gas tunnels

The invention relates to the field of gas prevention and control of operating tunnels, and discloses a tunnel structure for gas tunnels, including primary support, secondary lining, tunnel drainage structures, and a water and gas drainage separation system for the gas fortification section. The separation system includes longitudinal drainage pipes, gas discharge pipes and circumferential blind ditches. The gas discharge pipes are arranged longitudinally on the vault, the longitudinal drainage pipes are respectively arranged longitudinally at the bottom of the side walls on both sides, and the circumferential blind ditches are arrayed longitudinally along the tunnel and buried. In the initial support of the gas fortification section, the upper part of each circular blind ditch is connected to the gas discharge pipe, and the two ends are respectively connected to the longitudinal drainage pipe. There are water and gas collection holes on the pipe wall. The tunnel structure is equipped with a water and gas drainage separation system. , to separate and discharge water and gas, which can effectively avoid potential safety hazards and even accidents caused by the accumulation of gas and groundwater behind the lining, prevent gas from entering the drainage system, and ensure the safety of gas prevention and control after the operation of the tunnel. It is suitable for gas tunnels of all levels.
Owner:SICHUAN DEPT OF TRANSPORTATION HIGHWAY PLANNING PROSPECTING & DESIGN RES INST
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