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29results about How to "Strong repellent effect" patented technology

Crop protection method and system based on bird detection radar

The invention relates to the technical field of wireless detection of bird detection radars, and particularly discloses a crop protection method and system based on a bird detection radar, and the method comprises the steps: bird detection radar operation detection, bird activity detection in a target crop area, bird repelling evaluation and bird repelling optimization of the bird detection radar. The working state and performance of the bird detection radar can be detected, whether the bird detection radar meets the performance requirement of a target crop area or not is verified, potential threats possibly caused by bird activities to crops are quantitatively evaluated by detecting and obtaining bird activity data in the target crop area in real time, and birds in the target crop area are repelled. According to the method, damage of birds to crops is reduced, data in the repelling process are analyzed, possible problems and defects of repelling measures can be found in time, a basis is provided for optimization of a bird repelling mode of the bird detection radar, and effectiveness of crop protection is ensured.
Owner:ZHONGAN RUIDA (BEIJING) ELECTRONIC TECH CO LTD

LED light source control method and system for inhibiting pests

The invention discloses an LED light source control method and system for inhibiting pests, and relates to the field of light control, and the method comprises the steps: obtaining the current environment data and image data around a target plant, recognizing a hot spot region of the pests based on the data, and matching a proper initial light source parameter according to the region area and density, according to the method, the pest gathering area can be identified, response can be made in time when the environment changes by dynamically adjusting the light source parameters, effective control and repelling of the pests are kept, and the pest repelling effect is improved.
Owner:SHENZHEN HORTIRIGHT C0 LTD

Diaphorina citri adult repellent composition and application thereof

The invention discloses a diaphorina citri adult repellent composition and application thereof. The repellent composition is prepared from the following components in parts by weight: 0.1 to 1.2 parts of nootkatone, 0.05 to 1.0 part of carvacrol, 4.0 to 6.5 parts of thymol and 3.0 to 5.0 parts of sophocarpidine. The repelling effect of the repellent composition on diaphorina citri adults is better than that of a single component, and the synergistic diaphorina citri adults repelling effect is achieved among the components. The components of the repellent composition are low in price, the cost for manufacturing the lure can be reduced, and the repellent composition is suitable for popularization and promotion.
Owner:ZHONGKAI UNIV OF AGRI & ENG +1

Fireproof flame-retardant spinning yarn and preparation method thereof

InactiveCN119615454AAchieve long-acting sustained releasestrong repellent effectPhysical treatmentTextile/flexible product manufacturePolyesterYarn
The invention discloses a fireproof flame-retardant spinning yarn and a preparation method thereof, and relates to the technical field of spinning yarns. When the fireproof flame-retardant spinning yarn is prepared, benzyl benzoate is used as a core material, chitosan is used as a wall material, and pentenedialdehyde is used as a cross-linking agent to prepare an anti-mite microcapsule; carrying out condensation polymerization on ethylene glycol, a hydroxyl-terminated siloxane oligomer, the functionalized DOPO and dimethyl terephthalate to prepare functionalized polyester; the functional polyester and the anti-mite microcapsules are prepared into a spinning solution, and the polyester fiber is prepared through electrostatic spinning; reacting cotton fibers with maleic anhydride and o-phenylenediamine in sequence to obtain modified cotton fibers; polyester fibers and modified cotton fibers are blended in a spinning machine to prepare blended yarns, and the blended yarns are post-treated with chloroplatinic acid to prepare the fireproof flame-retardant spun yarns. The fireproof flame-retardant spinning yarn prepared by the invention has excellent anti-mite, flame-retardant and mechanical properties.
Owner:JIAXING TIANZHIHUA JET WEAVING CO LTD

Mechanical fish collecting device for aquaculture net cage

The invention belongs to the technical field of aquaculture equipment, and particularly relates to an aquaculture net cage mechanical fish collecting device which comprises a net cage frame, an external vertical net, an internal vertical net and a fish collecting channel. The movable gathering assembly is installed in the net cage frame, and the movable gathering assembly is used for actively gathering fish schools; according to the device, the moving gathering assembly is arranged, the moving net moves to drive fish schools in the culture cavity designed in an annular mode, the space where the fish schools are located is compressed in cooperation with the separation net and the bottom drop net, then the gathering density of the fish schools is increased, and at the moment, the difficulty of capturing the fish schools through a fish collecting pump is small, and the effect is good.
Owner:SHANDONG DEEP SEA GREEN BREEDING CO LTD

Offshore photovoltaic ship expelling system, method and device, medium and electronic equipment

The invention provides an offshore photovoltaic ship expelling system, method and device, a medium and electronic equipment, and relates to the technical field of offshore safety. The ship expelling system comprises a plurality of pieces of ship expelling equipment, wherein each piece of ship expelling equipment comprises a loudspeaker and a laser lamp; a plurality of support columns, wherein one end of each support column is used for fixing the ship expelling equipment; the processing equipment is used for determining the coordinate position of the to-be-expelled ship and the expelling level of the to-be-expelled ship, determining target ship expelling equipment from the multiple pieces of ship expelling equipment according to the coordinate position of the to-be-expelled ship, and determining a target working mode of the target ship expelling equipment according to the expelling level of the to-be-expelled ship, and sending a working instruction to the target ship expelling equipment, wherein the working instruction is used for indicating the target ship expelling equipment to work in the target working mode. According to the invention, automatic expelling of the abnormal ship in the offshore photovoltaic scene can be realized.
Owner:NORTHWEST ENGINEERING CORPORATION LIMITED

Underwater video robot detection device and method

The invention discloses an underwater video robot detection device and method, and relates to the technical field of diving equipment manufacturing. The underwater video robot detection device comprises an underwater robot, the outer wall of the underwater robot is movably connected with detection equipment, the bottom of the underwater robot is fixedly connected with a base, the bottom of the underwater robot is fixedly connected with a driving mechanism, and the inner wall of the underwater robot is fixedly connected with a guide fan. According to the underwater video robot detection device and method, when water flow passes through the transverse pipe, the Bernoulli principle is combined, irritant medicine powder in the storage bag is squeezed into the transverse pipe under squeezing of pressure intensity, the medicine powder is driven to move by means of pressure intensity difference generated by flowing of the water flow, fish and shrimps are repelled, and the effect of preventing and treating the fish and shrimps is achieved. The influence of fishes and shrimps on the device is avoided, and the other port of the transverse pipe is arranged at the position of the underwater robot, so that the medicine powder mixed water flow can flow through the underwater robot.
Owner:湖北亿立能科技股份有限公司

Portable driving device for chicken breeding

The utility model discloses a portable driving device for chicken breeding, which comprises a grab handle, the inner side of the grab handle is provided with a telescopic first telescopic piece, the first telescopic piece is elastically connected with the grab handle through a first spring, the first telescopic piece is internally provided with a telescopic second telescopic piece, and the second telescopic piece is elastically connected with the grab handle through a second spring. In the swinging process, the second telescopic piece can compress the second spring to stretch outwards under the action of the centrifugal force of the solid ball, and the first telescopic piece can compress the first spring to stretch outwards under the action of the centrifugal force. The whole length of the device is increased, the swing range during chicken driving can be expanded, when swinging is stopped, a first telescopic part, a second telescopic part and an expansion part start to retract under the elastic action of a first spring, a second spring and an elastic belt, then the length of the device is shortened, the opening range of the device is shortened, and the device is convenient to carry.
Owner:HAINAN (TANNIU) WENCHANG CHICKEN CO LTD

Flea repellent and application thereof

PendingCN119522923Astrong repellent effectIncreased repellencyBiocidePest repellentsNerolidolDEET
The invention provides a flea repellent and application thereof. The flea repellent comprises nerolidol, eudesmol and / or linalool, the nerolidol, eudesmol and / or linalool of the flea repellent are compounded, and compared with single nerolidol, the flea repellent has a better repelling effect on flea; the flea repellent disclosed by the invention can be used for replacing a traditional repellent DEET. According to the flea repellent disclosed by the invention, when nerolidol, eudesmol and linalool are compounded according to a ratio of 1: 1: 1, the repellent rate can reach 85.6% at most within 5 minutes.
Owner:SHIHEZI UNIVERSITY

Monitoring and protection method and equipment for mining transportation system and storage medium

The invention discloses a monitoring and protection method and device for a mining transportation system and a storage medium, and relates to the field of device monitoring and protection, and the method comprises the steps: determining a target monitoring region and a warning region of the mining transportation system; obtaining a thermal imaging video of the target monitoring area; performing image recognition on the thermal imaging video to obtain an image recognition result; when the target object appears in the image recognition result, the camera device is moved based on the visual tracking technology, and the target object is tracked; transmitting a first frequency sound wave to the position of the target object; detecting a follow-up action track of the target object after receiving the sound wave stimulation; and when the follow-up action track is still in the warning area, sending prompt information to the user side. By implementing the method, all-around intelligent monitoring and protection of the mining transportation system are realized, the risk that animals damage a working line is reduced, and normal operation of facilities is guaranteed.
Owner:JINAN JINFENGYUAN ELECTRONIC TECH CO LTD

Municipal greening frame convenient to adjust

The municipal greening frame convenient to adjust comprises a base, supporting plates are fixedly installed at the upper end of the base, through holes are formed in the inner sides of the supporting plates at equal intervals, fastening bolts penetrate through the inner sides of the through holes, and the two supporting plates are arranged in a bilateral symmetry mode about the midpoint of the base; a rain baffle is fixedly installed at the upper end of the supporting plate, and the rain baffle is of an inverted-V-shaped structure in the side view. Green plant tables are installed between the supporting plates, green plant tables are distributed on the inner sides of the green plant tables at equal intervals, and threaded grooves are formed in the inner sides of the green plant tables. According to the municipal greening frame convenient to adjust, when the height of the green plant table needs to be adjusted, firstly, the green plant table is placed at the appropriate height of the supporting plate, then fastening bolts penetrate through the through holes, at the appropriate height, in the inner side of the supporting plate and are connected with threaded grooves in the inner side of the green plant table, and the green plant table is fixed through the fastening bolts and the threaded grooves; therefore, the green plant table is fixed at a proper height and is suitable for green plants in different growth periods.
Owner:杭州市上城区基础设施改善中心

Plant essential oil mosquito-repellent slow-release gel and preparation method thereof

The invention discloses plant essential oil mosquito-repelling slow-release gel and a preparation method thereof, and belongs to the field of mosquito-repelling materials. The plant essential oil mosquito-repelling slow-release gel disclosed by the invention is prepared from the following raw material components: plant essential oil microcapsules, modified graphene oxide, hydroxybutyl chitosan and hyaluronic acid, wherein the plant essential oil microcapsules are obtained by wrapping compound plant essential oil with gelatin and Arabic gum as shell materials; the modified graphene oxide is obtained by modifying graphene oxide with dopamine; wherein the compound plant essential oil is prepared from the following components in parts by weight: 20 to 30 parts of peppermint oil, 15 to 25 parts of litsea cubeba oil, 15 to 25 parts of cananga odorata oil, 10 to 20 parts of bay oil and 15 to 25 parts of ginger oil; the plant essential oil mosquito-repelling slow-release gel prepared by the invention has the advantages of better slow-release effect, better mosquito-repelling effect, higher mechanical strength and soothing smell.
Owner:GUANGZHOU ECOSFARM BIOTECH CO LTD

Super-sticky moisture-proof and fire-proof plugging adhesive sticker

The invention relates to the technical field of electric power materials, in particular to a super-sticky moisture-proof and fireproof blocking adhesive sticker, the super-sticky moisture-proof and fireproof blocking adhesive sticker takes a PET film as a PET base material, a wear-resistant layer is attached to one side of the PET base material, an adhesive layer is attached to the other side of the PET base material, and the PET base material specifically comprises the following components in parts by weight: 80-100 parts of PET particles, 1-2 parts of a curing agent, 1-2 parts of a curing agent and 1-2 parts of a curing agent. The composite material comprises the following components in parts by weight: 2-5 parts of an acrylonitrile-butadiene-styrene copolymer, 5-8 parts of a flame retardant, 0.5-1.5 parts of nano silicon dioxide, 1-2 parts of filling microfibers and 1-2 parts of isopropyl tri (dodecylbenzenesulfonyl) titanate. The adhesive layer specifically comprises the following components in parts by weight: 20-40 parts of methyl vinyl silicone rubber, 5-15 parts of a rubber elastomer, 5-15 parts of tackifying resin, 20-40 parts of a flame retardant, 30-50 parts of filler and 3-5 parts of plant essential oil microcapsules. The prepared easy-to-stick waterproof, moisture-proof and anti-corrosion coiled material has self-curing performance, the cured easy-to-stick waterproof, moisture-proof and anti-corrosion coiled material can be tightly attached to a protected part, and the easy-to-stick waterproof, moisture-proof and anti-corrosion coiled material has excellent waterproof sealing performance and electric leakage resistance, has excellent high-temperature resistance and atmospheric aging resistance, is good in wear resistance, and can be used as a waterproof, moisture-proof and anti-corrosion coiled material. And the material is high in flame-retardant grade, avoids the risk of delayed combustion, and is flexible and convenient to construct on site.
Owner:常州裕隆盈新材料科技有限公司 +1

Outdoor protective pole-mounted circuit breaker

The application relates to the technical field of circuit breakers, and provides an outdoor protection type pole-mounted circuit breaker which comprises a circuit breaker main body and a mounting frame body, the circuit breaker main body is arranged on the mounting frame body; the circuit breaker main body is provided with a mechanism box, the top wall of the mechanism box is provided with a mounting strip, the mounting strip is provided with a swing frame, one side of the swing frame is hinged to the mounting strip; a swing assembly is arranged between the swing frame and the mechanism box, and the swing assembly is used for driving the swing frame to reciprocating swing, so as to drive away birds. The outdoor protection type pole-mounted circuit breaker can isolate the stay of birds and keep good heat dissipation of the circuit breaker.
Owner:浙江长征电气股份有限公司

Power tower protection machine

The utility model belongs to the technical field of power tower protection, particularly relates to a power tower protection machine, and aims to solve the problems that an existing bird repelling device only depends on rotation of fan blades to conduct dispersing, the effect is poor, birds are familiar with the dynamic state after a long time, and the expected bird repelling effect cannot be achieved. A power control cabinet is installed at the top of the power tower pole, a cylindrical box is arranged at the top of the power control cabinet, four cameras are arranged on the outer side of the cylindrical box, a power source and a control chip are arranged in the cylindrical box, a bird repelling warning indicator is arranged in the cylindrical box, and vertical rods are symmetrically and fixedly installed at the top of the power tower pole. And cylinders are fixedly mounted at the tops of the two vertical rods. The bird repelling device is simple in structure, birds can be repelled through sound and the fan blades, the bird repelling effect is improved, the outside can be monitored through the four cameras, secondary birds can be repelled through the bird repelling warning indicator, and the bird repelling effect is further improved.
Owner:TIANJIN YUXIN CONSTRUCTION ENGINEERING CO LTD

Aquatic fish driving device and driving method

The invention belongs to the technical field of aquaculture, and particularly relates to an aquatic fish driving device and method to solve the technical problem that the fish driving effect cannot be adjusted. The aquatic fish driving device comprises a transmission belt A and a transmission belt pulley A. A floating box assembly is connected with a power assembly, and the power assembly is connected with a transmission assembly; the transmission assembly is connected with the driving assembly and the floating box body assembly, a transmission belt A is connected with the floating box body assembly, and a transmission belt wheel A is connected with the power assembly, so that the up-down reciprocating motion amplitude of a sliding connecting block and a second mounting connecting block is changed while the connecting position of the sliding connecting block and the second mounting connecting block is changed; further, the amplitude of vibration generated by the connecting rods is changed, and the efficiency of expelling the underwater fishes is adjusted by adjusting the vibration frequency and the vibration amplitude generated by the connecting rods.
Owner:DAYE ZHONGHE LABOR SERVICE CO LTD

Floating type offshore power generation system

The invention discloses a floating type offshore power generation system, which relates to the technical field of hydroelectric generation and comprises a power generation assembly and a cleaning assembly, the power generation assembly comprises a water inlet cylinder, a connecting rod and a drainage head; the drainage head is located in the water inlet cylinder, and a gap is reserved between the drainage head and the water inlet cylinder to form a water flowing cavity. One end of the connecting rod is fixed on the drainage head, and one end of the connecting rod far away from the drainage head is fixed on the inner wall of the water inlet cylinder; a plurality of cleaning assemblies are further included, and the cleaning assemblies are annularly and uniformly arranged on the water inlet cylinder; according to the device, rotation power can be provided for the filter screen through the first motor, the intercepting effect on small sundries or small fishes in water is improved, meanwhile, the fixing mode of the intercepting screen is changed, the side, close to the drainage head, of the intercepting screen is not shielded, and during rotation, the intercepting screen can deform and be attached to the drainage head, and gaps are reduced.
Owner:CHINA POWER CONSRTUCTION GRP GUIYANG SURVEY & DESIGN INST CO LTD

Combination cable for mining vehicle-mounted visual system

The utility model discloses a combination cable for a mining vehicle-mounted visual system, which relates to the technical field of cables and comprises a first color separation line, a second color separation line and a category 5-enhanced double-shielding network cable, and the outer sides of the first color separation line, the second color separation line and the category 5-enhanced double-shielding network cable are respectively provided with a flame-retardant super-soft low-temperature-resistant sheath. A high-strength layer is fixedly arranged on the outer wall of the flame-retardant super-soft low-temperature-resistant sheath, a plurality of fixing holes which are uniformly distributed are formed in the outer wall of the high-strength layer, a plurality of odorizers are fixedly arranged in the fixing holes, and a circulating groove is formed between every two adjacent fixing holes. According to the utility model, the strength of the cable can be improved through the high-strength layer, so that rats are not easy to bite line bodies such as the first color separation line in the cable, and the odor agent can give off stink to repel the rats when the rats bite the outer sheath, so that the internal structure of the cable is protected, the safety of the cable is improved, and the service life of the cable is prolonged. And through the arrangement of the fixing holes and the circulating grooves, odor can be circulated and gathered, so that the odor is enhanced, and the mouse repelling effect is improved.
Owner:上海上力特种电缆有限公司

Use of benzyl benzoate in repelling solenopsis invicta

ActiveCN120167434Bstrong repellent effectReduce digging habitsBiocidePest repellentsBenzyl benzoatAfter treatment
This invention discloses the application of benzyl benzoate in the preparation of repellents for red imported fire ants. Experiments verified that after treatment with benzyl benzoate at a concentration of 1 μL / mL or higher for 0.5 h, the feeding and repellency rate of red imported fire ant workers reached 92.74%. After 12 h of treatment, benzyl benzoate at a concentration of 10 μL / mL or higher still maintained a good repellent effect, indicating that benzyl benzoate has a long-lasting repellent activity against red imported fire ants. After treatment with benzyl benzoate at a concentration of 50 μL / mL or higher for 24 h, the burrowing behavior of red imported fire ant workers was significantly reduced. Benzyl benzoate at a concentration of 10 μL / mL or higher showed good repellent effects against red imported fire ants and can be used in future red imported fire ant protective agents; benzyl benzoate at a concentration of 50 μL / mL or higher can be used in red imported fire ant soil repellents.
Owner:SOUTH CHINA AGRICULTURAL UNIVERSITY

Driving device for crop protection

The utility model relates to the technical field of driving devices, and discloses a driving device for crop protection, which comprises a bottom plate and a box body, the box body is rotatably connected with a rotating shaft I, the rotating shaft I is fixedly connected with a wind wheel, and one end of the wind wheel is rotatably connected with a tail wing. Through the interaction of the wind wheel and the empennage, the wind wheel can continuously rotate in the windward direction, then the connecting plate and the rolling wheel are driven to move through transmission, natural wind power is used as a power source in the design, environment protection and energy conservation are achieved, when the rolling wheel is intermittently attached to the support, a supporting rod and a sliding rod system can generate corresponding movement, and therefore the wind power generation efficiency is improved. According to the bird repelling device, the cylinder is driven to intermittently beat the metal plate, sound generated by beating has high volume and penetrating power, birds and insects can be effectively repelled, the sound can better penetrate out of the box body through holes formed in the box body, and the repelling effect is further improved.
Owner:西藏自治区农业技术推广服务中心

A snake-proof barrier for power transmission towers

This invention relates to the field of snake-proofing technology, specifically a snake-proofing device for power transmission towers. It includes a power pole, a support body fixedly installed on the outer wall of the pole, and a dispersing assembly. The dispersing assembly is installed on the outer wall of the support body, and a driving assembly is located below the dispersing assembly. The dispersing assembly includes a first rotating ring, a second rotating ring, a track ring, and a driving component. The track ring is fixedly installed on the outer wall of the support body. This invention, through the installation of the dispersing and driving components, can repeatedly push snakes off the power pole. In conjunction with the track ring, the dispersing sleeve and dispersing rod can rotate to push the snake off, increasing the driving effect. During the driving process, the second rotating ring collides with a vibrating block, generating strong vibrations. Since snakes are sensitive to vibrations, the strong vibrations frighten them, causing them to escape, thus preventing snakes from climbing the power pole, ensuring the safety of the power grid, and avoiding large-scale power outages.
Owner:CECEP (YUNCHENG) SOLAR ENERGY TECH CO LTD

High-stability air shield dam

The invention relates to the technical field of dams, in particular to a high-stability air shield dam, before water drainage operation, a movable plate stops blocking a first through groove, river water flows into a first cavity through the first through groove, and therefore fishes hidden in the first cavity are flushed out, the situation that the fishes are pressed to be dead by a baffle is avoided, meanwhile, liquid medicine is injected into the first cavity, and the water drainage effect is good. Fishes hidden in the first cavity are driven out through the irritation of the liquid medicine, and many problems caused by the fact that the fishes are pressed to be dead are avoided; a high-stability air shield dam comprises a concrete block and a baffle. A baffle is rotationally connected to the concrete block. The device further comprises a rubber strip, an air bag, a first pipeline, an electric rotating shaft, a movable plate and an injection assembly. At least six rubber strips are fixedly connected between the concrete block and the baffle; an air bag is fixedly connected to the concrete block and makes contact with the baffle. A first cavity is formed among the concrete block, the baffle and the air bag. A first through groove is formed in the baffle and communicates with the first cavity.
Owner:JIANGXI SHOUKONG ENVIRONMENTAL TECH CO LTD

Snake climbing prevention arresting device for power transmission tower

The invention relates to the technical field of snake climbing prevention, in particular to a snake climbing prevention blocking device for a power transmission tower. Comprising an electric pole, a supporting body is fixedly installed on the outer wall of the electric pole, the electric pole further comprises a dispersing assembly, the dispersing assembly is installed on the outer wall of the supporting body, a driving assembly is arranged below the dispersing assembly, the dispersing assembly comprises a first rotating ring, a second rotating ring, a track ring and a dispersing assembly body, and the track ring is fixedly installed on the outer wall of the supporting body. According to the snake repelling device, by installing the dispersing assembly and the repelling assembly, a snake can be pushed down from an electric pole repeatedly in a circulating mode, through cooperation with a track ring, a dispersing sleeve and a dispersing rod can push down the snake in a rotating mode, the repelling effect is improved, in the repelling process, a second rotating ring can collide with a vibration block, so that strong vibration is generated, and due to the fact that the snake is sensitive to vibration, the snake can be effectively repelled. Strong vibration enables the snakes to be timidity and further enables the snakes to escape, so that the snakes are prevented from climbing an electric pole, the safety of a power grid is guaranteed, and the situation of large-area power failure is avoided.
Owner:CECEP (YUNCHENG) SOLAR ENERGY TECH CO LTD

Plant source insect repellent liquid and application thereof

PendingCN122744323AHighly effective and broad spectrumstrong repellent effect
The application discloses a plant source insect repellent liquid and application thereof, and belongs to the field of plant source insect repellent liquid. The plant source insect repellent liquid comprises the following components in mass percentage: citral 5-9%, sweet orange essential oil 15-25%, emulsifier 10-15%, and the rest is water. The plant source insect repellent liquid has high efficiency and broad spectrum, can have good killing effect on multiple pests such as green worms, borers, fruit flies, aphids, lice, red spiders, shell larvae, thrips and tea green leafhoppers, and can simultaneously prevent and control multiple pests by one-time spraying. When used, the plant source insect repellent liquid only needs to be diluted with water and then sprayed, is simple to operate, and is suitable for large-area popularization and application.
Owner:ZHEJIANG YUFENGDA BIOTECHNOLOGY CO LTD

Aquatic product seedling screening equipment

The invention discloses aquatic product seedling screening equipment, and relates to the technical field of aquatic products, the aquatic product seedling screening equipment comprises a barrel body, a cover plate is fixedly connected to the top of the barrel body, a fixing piece is fixedly connected to the top of the cover plate, a motor is fixedly connected to the top of the fixing piece, and a moving separation mechanism is arranged in the barrel body. Water in the vertical barrel enters the barrel body outside the vertical barrel through the arc-shaped groove and is pumped by the water pump to enter the water circulation work of the vertical barrel again, fishes and the water can naturally pass through the arc-shaped groove along with water flow to swim out of the vertical barrel, and meanwhile, small fries can naturally push the elastic hairs outside the vertical barrel aside; the upper elastic hair and the lower elastic hair of the arc-shaped groove form a triangular shape, so that the small fries cannot push away the elastic hair again to return into the vertical cylinder after swimming out of the arc-shaped groove, the screening work of naturally dividing the fries inside and outside the vertical cylinder is formed, and the damage to the fries after screening is avoided.
Owner:山东三阳开泰海洋科技有限公司

A kind of Candida citrinum and its application in preventing and controlling root-knot nematodes

ActiveCN116103168Bstrong repellent effectpromote growthBiotechnologyMicroorganism
The present invention relates to the field of microorganisms and plant protection, and specifically to a Candida citrifolia strain and its application in preventing and controlling root-knot nematodes. The strain is isolated from orchard soil, is easy to survive in the soil, and has good prevention effect on root-knot nematodes through indoor and field prevention and control tests, providing an effective biocontrol strain for preventing and controlling the harm of root-knot nematodes, contributing to the green prevention and control of root-knot nematodes and ensuring safe production of vegetables.
Owner:INSTITUTE OF VEGETABLES & FLOWERS CHINESE ACADEMY OF AGRICULTURAL SCIENCES

Pest control equipment for landscaping engineering

The pest control equipment comprises a cover shell, a sealing disc is fixed to the inner side of the cover shell, an insertion cylinder is fixedly inserted into the center of the sealing disc, an insertion rod capable of being pulled downwards is inserted into an opening in the bottom of the insertion cylinder, a pesticide storage basin is fixed to the bottom end of the insertion rod, and a pull rod is fixed to the center of the bottom of the pesticide storage basin. An inner barrel is fixed to the center of the interior of the medicine storage basin, a plurality of partition plates are evenly fixed between the inner barrel and the inner wall of the medicine storage basin, a medicine containing cavity is formed between every two adjacent partition plates, the bottom of one medicine containing cavity is communicated with a medicine discharging pipe, the bottom end of the medicine discharging pipe is connected with a hose, and the other end of the hose is connected with a plastic pipe. According to the pest control equipment for the landscaping engineering, the volatilization time of insect repellents in the air is conveniently controlled, the situation that the insect repellents volatilize in the surrounding air for a long time and affect the surrounding air quality is avoided, the liquid insect repellents are conveniently sprayed to nearby areas for insect repelling, and therefore the pest repelling effect is improved, and practicability is improved.
Owner:兰州树木园

A strip and paddock grazing device

The application discloses a kind of area grazing device of demarcation wheel area, including mobile part, control module, data acquisition device, sound simulation module and battery module, wherein, control module data acquisition device, sound simulation module and battery module are all set on the mobile part, the mobile part is moved along the preset route by control module control, data acquisition device the control module remains connection, to collect the real-time data of field of pasture, sound simulation module is connected with control module, and the sound played through the sound simulation module can make the sensitive response of herd, to drive herd, battery module provides power for the data acquisition device, control module and sound simulation module described above.The present application monitors herd in real time through image acquisition probe, at the same time, NDVI probe monitors the pasture height of pasture demarcation, so as to drive herd to the next pasture round area when the pasture height reaches the minimum preset height, and then realize unmanned grazing, reduce workload, reduce grazing cost.
Owner:GUIZHOU UNIV

Crop protection methods and systems based on bird-detecting radar

The present invention relates to the field of wireless detection technology of bird detecting radars, and specifically discloses a crop protection method and system based on bird detecting radars. The method comprises: bird detecting radar operation detection, bird activity detection in a target crop area, bird expulsion evaluation and bird detecting radar bird expulsion optimization. By detecting and acquiring operation data of the bird detecting radar, the working state and performance of the bird detecting radar can be detected, and it can be verified whether the bird detecting radar meets the performance requirements of the target crop area. By real-time detection and acquisition of bird activity data in the target crop area, the potential threat that bird activities may cause to crops can be quantitatively evaluated, and birds in the target crop area can be expelled to reduce the damage to crops by birds. By analyzing the data in the expulsion process, possible problems and deficiencies in the expulsion measures can be discovered in time, providing a basis for optimizing the bird expulsion method of the bird detecting radar and ensuring the effectiveness of crop protection.
Owner:ZHONGAN RUIDA (BEIJING) ELECTRONIC TECH CO LTD