12results about How to "Strong repellent effect" patented technology

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.