57results about How to "Less vulnerable to damage" patented technology

The invention relates to a spray freeze-drying preparation technology for a polyunsaturated fatty acid oil microcapsule, which comprises the following technological steps: mixing oil containing polyunsaturated fatty acid with emulsifier and water to obtain mixture; homogenizing the mixture to obtain emulsion; atomizing the emulsion into liquid drops which are sprayed into a spray drying device with temperature of negative 60 DEG C to negative 10 DEG C, wherein powder embedding materials are contained at the bottom part of the spray drying device, and blasting low-temperature gas to fully mix the materials in the spray drying device and to keep the temperature in the spray drying device to be the set temperature; and further drying and screening to obtain polyunsaturated fatty acid oil microcapsule products. The invention has the advantages that the drying temperature of the preparation technology is low, the speed is fast and the nutritional ingredients are not apt to be damaged; the technology is simple and convenient and the automatic mass production can be realized; and the oil embedding rate of the obtained independent polyunsaturated fatty acid oil microcapsule particles is high, the embedding performance is good, the product shelf life is long and the stability is good.

The invention relates to a steel pipe concrete frame with prestressing tendons and a construction method thereof. The steel pipe concrete frame with the prestressing tendons is formed by connecting composite columns with composite beams through joints. The composite beams are horizontally arranged among the composite columns. The joints are outer sleeving integral type joints internally filled with self-compacting concrete. The composite columns are sectional-type steel pipe concrete composite columns with built-in profile steel. The composite beams are internal-prestress I-shaped steel pipe concrete composite beams. The prestressing tendons arranged in the composite beams bypass joint outer pipes from upper strengthening annular plates with cavities. The prestressing tendons are positioned through single-hole positioning plates and hole-formed double-hole main positioning plates, form symmetrical curve shapes and achieve tensioning and anchoring at joint end beams. The self-compacting fine stone concrete of the composite beams and self-compacting fine stone concrete of the joint end beams are through and form a whole with the joint outer pipes after curing. The problem that beam-column connecting joints of a novel steel pipe concrete frame with prestressing tendons are complex and liable to damage is solved.

The invention relates to a dispenser and particularly relates to an automatic dispenser. The automatic dispenser comprises a dispenser main body, a switch control device and a supporting device, wherein the switch control device and the supporting device are respectively mounted on two sides of the dispenser main body; the switch control device comprises a steering engine, a cross bar and a steering engine switch; the supporting device comprises a supporting rod, a supporting rod fixing part and a rocker arm; the steering engine is mounted on the dispenser main body; the cross bar is hinged to the dispenser main body; one end of the cross bar is propped against the steering engine switch; one end of the supporting rod is hinged to the supporting rod fixing part mounted on the dispenser main body, and a torsion spring is arranged at the hinged part; the rocker arm is arranged at the other end of the supporting rod; the other end of the cross bar is flexibly connected with the other end of the supporting rod; a dispensing object to be dispensed is positioned in the dispenser main body and is supported by the dispenser main body and the supporting rod; a fuse of the dispenser is jacked by the rocker arm. The automatic dispenser disclosed by the invention has the advantages of dispensing automation, simple structure, convenience in operation, good maneuverability, high practicality, safety and reliability.

The invention aims to provide a seed treatment agent composition having mouse or bird repellent effects and an application method thereof and provides a composition of a suspension concentrate for seed dressing and a sustained release repellent. The contact between seeds and chemical components is reduced to the largest extent through layered coating, the goal of driving mice or birds can be achieved while insect killing and sterilization for promoting plant growth are achieved, the goal of adding a sustained release agent is to reduce the influence of the repellent on pesticide active ingredients and avoid pesticide hazard, and the mouse and bird repellent duration of the repellent can be prolonged. The composition can be widely applied to agriculture, forestry and grassland farming seed ratproof treatment, and the blank of a seed treatment agent in the function is filled.

The invention discloses a physical non-cloning key for quantum secure authentication and quantum key distribution. The physical non-cloning key is composed of a substrate, a transparent dielectric film grown on the substrate, disordered micro nanoparticles embedded in the transparent dielectric film; and micro nanoparticles which are made of various kinds of materials, and are in various kinds of sizes and various kinds of shapes are mixed to form the disordered micro nanoparticles embedded in the transparent dielectric film. Compared with a physical non-cloning key formed by micro nanoparticles made of a single material, the physical non-cloning key of the invention has a more complicated microstructure and a spatially unevenly-distributed refractive index, can interact more complexly with incident light and generate a large authentication information speckle, and has higher security; compared with a physical non-cloning key which is of a porous structure and is directly formed by micro nanoparticles, the physical non-cloning key of the invention has higher stability and reliability, is insusceptible to interference and destruction of external environment and suitable for various kinds of substrates, and can be widely applied to quantum authentication and quantum key distribution.

The invention provides an elongated structure comprising a pole having a wall around a hollow core as a tubular body part extending along a length axis. A base section of the wall of the tubular body part is connected to an H-shaped frame extending from a foot of the pole along the length axis, said H-shaped frame being arranged in the core. The wall at the location of the H-shaped frame is provided with a door, said door in closed position being flush with the wall and in opened position providing access to the core.

The invention discloses a walnut tree disease and insect pest comprehensive prevention method. The method comprises the steps of artificial prevention, physical prevention, physical trapping and control, and chemical administration. According to the method, the disease and insect pest prevention effect is improved, unified and effective prevention is conducted on walnuts in different growth stages, and requirements of modern walnut industrialize development are met. A pesticide is attached to a film in a film-forming mode, so that the use efficiency of the pesticide is improved, the consumption of the pesticide is reduced, the effective period of the pesticide is prolonged, the prevention effect is enhanced, and the pesticide is not easily damaged and lost due to environmental factors such as atmosphere, sunshine, rainwater and microorganisms; meanwhile, pollution of the pesticide to underground water can be effectively controlled, and the ecological environment change caused by the pollution can be prevented.

The invention relates to a vertical multistage AO ecological sewage treatment system. The vertical multistage AO ecological sewage treatment system is characterized in that sewage is orderly treated by a coarse screen, a lifting pump house, a fine screen, a grit basin, a vertical multistage AO ecological tank, a cloth filter tank and a UV disinfection canal and then is discharged by a standard discharge opening, and sludge produced by the fine screen, the grit basin, the vertical multistage AO ecological tank and the standard discharge opening is transferred into a sludge storage tank, then is treated in a dehydration machine room and can be carted. The treatment system has less sludge amount (of sludge-drainage time of 20-25 years), does not produce odor, realizes thorough removal of organic matters, provides a carbon source produced in sludge stabilization for denitrification demands, reduces an external carbon source, produces water satisfying first-grade standard A or B, can be used for construction of an ecological landscape park, has the advantages of less construction investment and short construction period, can utilize waste and old or existing pits, ponds, trenches and slopes, and has a construction period of 4-6 months.

The invention discloses a method for extracting gas and preventing and extinguishing fire by using a composite drill hole, and belongs to a coal mine disaster prevention and control method. A drill site is arranged in a roof or floor rock roadway of a high-gas easy spontaneous combustion coal seam, a composite drill hole is constructed in the coal seam, and then coal mine disaster prevention and control are conducted according to the following stages that firstly, before the coal seam is mined, the gas in the coal seam is pre-pumped by using the composite drill hole, and the coal and gas outburst danger of the coal seam is eliminated; secondly, the coal seam is mined, and the goaf gas of a mined bed is extracted in a negative pressure mode by using the original composite drill hole; and finally, in a coal seam mining process, nitrogen or high-pressure cement paste is injected into a goaf of the mined bed by using the original composite drill hole again, and spontaneous combustion of residual coal in the goaf are prevented. According to the method, the purposes of gas extraction and fire prevention and extinguishing can be achieved by comprehensively utilizing the composite drill hole before and after the high-gas spontaneous combustion coal seam is mined, the working efficiency is high, the gas extraction rate is high, the fire prevention and extinguishing effect is good, and the engineering cost is saved.

The invention discloses a chenopodium ambrosioides volatile oil microcapsule and a preparation method thereof and solves the problem that a conventional chemical bactericide is short in lasting period. A core material of the chenopodium ambrosioides volatile oil microcapsule is chenopodium ambrosioides volatile oil; a wall material is beta-cyclodextrin; the volume-weight ratio of the chenopodium ambrosioides volatile oil to the beta-cyclodextrin is 1 to (6-10). The preparation method comprises the steps of heating distilled water, adding 9-15 percent of the beta-cyclodextrin into the distilled water for dissolving the beta-cyclodextrin, stirring at a constant speed to obtain a beta-cyclodextrin aqueous solution, dissolving the chenopodium ambrosioides volatile oil through absolute ethyl alcohol according to the volume ratio of the chenopodium ambrosioides volatile oil to the absolute ethyl alcohol of 1 to (15-30) to obtain a chenopodium ambrosioides volatile oil and ethyl alcohol solution, gradually dropwise adding the chenopodium ambrosioides volatile oil and ethyl alcohol solution into the beta-cyclodextrin aqueous solution, stirring to obtain a mixed solution, putting the mixed solution into a refrigerator after the mixed solution is cooled, stewing the mixed solution, performing vacuum filtration, and drying the mixed solution until the weight is constant. The chenopodium ambrosioides volatile oil microcapsule has a good packaging effect, has the characteristics of being low in release speed, capable of prolonging of lasting period and safe to human and livestock and has small influence on the environment and non-target organisms.

The invention discloses a mold for making a specimen of a sargassum horneri seedling. The mold comprises a support frame and a main mold body made of silicone, wherein the support frame consists of ahollow square tube and a mold storage box in a shape of an inverted rectangular pyramid, the mold storage box is inserted into the square tube, and the periphery of the top end of the mold storage boxis integrally and fixedly connected with the top end of the square tube; the main mold body adopts a rectangular pyramid structure with the bottom surface being open and side surfaces spliced by fourtriangular silicone pieces, the top of the mold storage box is open, and the mold storage box is used for storing the inverted main mold body. Under the observation of the prepared specimen of the sargassum horneri seedling in a naked-eye state, more angles and observation surfaces are obtained under the condition of a smaller dosage of glue, the glue in the non-specimen position is through and has no bubbles, and the sargassum horneri seedling stretches naturally and has clear texture.

The invention provides a method for preparing a medicated fertilizer, which comprises the following steps: preparing pesticide into a microcapsule preparation; adding fertilizer to granulate and dry; and producing the medicated fertilizer. The medicated fertilizer produced by the method not only prevents the loss of effective components of pesticide in the processes of production and storage, improves the damage of chemical substances with high toxicity on ecological environment, prolongs the efficacy duration of the pesticide with same dosage but also screens the flavor and the odor of the pesticide.

The invention discloses a radiation refrigeration building material and a preparation method thereof. The radiation refrigeration building material comprises a building material base, a plurality of radiation refrigeration flexible layers and a plurality of waterproof flexible layers, wherein the building material base comprises a plurality of convex ridges arranged at intervals and concave surfaces arranged between the adjacent convex ridges, each convex ridge comprises two slope surfaces and a top surface located between the two slope surfaces, and the slope surfaces are connected with the corresponding concave surfaces; the multiple radiation refrigeration flexible layers are paved on the concave surfaces, and the edges of the two sides of the radiation refrigeration flexible layers extend to the slope surfaces connected with the two sides of the concave surfaces correspondingly; and the multiple waterproof flexible layers are paved on the top surfaces of the convex ridges, and theedges of the two sides of the waterproof flexible layers extend to the slope surfaces on the two sides of the top surfaces and cover the edges of the radiation refrigeration flexible layers located onthe slope surfaces.

The invention discloses a smart city Wifi information transmission system which comprises a cloud identification group composed of a plurality of Wifi transmission terminals, a satellite system, mobile base stations, a storage device and a control center. Information is emitted to the satellite system through the Wifi transmission terminals, then is forwarded to each mobile base station for conversion processing and enhancement and finally is transmitted to the storage device, the control center and each processing terminal. The Wifi transmission terminals are installed on column tops of each city name guiding identification system, and the city area is completely covered by means of a point array layout. According to the invention, a wireless sending mode is adopted, the integral safety of the system is good, information is transmitted by a three-dimensional space, a multi-level matrix structure formed by the transmission terminals, the satellite system, the mobile base stations and the control center is formed, information cross-level transmission can be realized, and the system is high in response degree, flexible in operation and control and not liable to be damaged by the external world.

The invention discloses a metal product surface protection method which comprises the following steps: pretreatment: carrying out clearing, degreasing, cleaning and restoration on the metal product surface to be protected; treatment before deposition: putting the pretreated metal product in an atomic layer deposition device, purging the surface with carrier gas, and meanwhile, evacuating the atomic layer deposition device by using a vacuum pump; deposition: alternately introducing multiple precursors at proper reaction temperature under proper pressure to respectively adsorb the precursors to the surface to be protected, and initiating chemical reaction among the precursors to form a single-layer film; and repeating the deposition step to generate a compact film on the surface to be protected, thereby implementing water-barrier oxygen-barrier protection on the metal product surface. The method can solve the problems of insufficient compactness, nonuniform thickness, short service life, high tendency to generating gloss and the like in the existing protective film on the metal product surface.

The invention discloses a face scanning recognition device for safety door unlocking. The face scanning recognition device for safety door unlocking includes a door, a pressure mechanism is arranged on the lower left side of the door, the pressure mechanism includes a rotatable turning block, a pressure cavity with an opening facing rightwards is formed in the right end surface of the turning block, a pressure sensor is fixed to the left end wall of a pressure spring, the pressure sensor can detect pressure, a pressure plate is slidably arranged in the pressure cavity, and when face recognition needs to be performed, a user needs to manually turn the turning block counterclockwise. The device has a face recognition function, the face recognition function is turned off when not in use, a recognition machine partially faces a wall, electric energy can be saved, damage is not prone to being done, when in use, manual operation is needed to decrease the possibility that the device is started by mistake due to maloperation, when the face recognition is performed, a recognition part can be swung up and down for recognition, and the recognition efficiency is improved.

The invention discloses a water transfer printing method for a decorative plate of a plant fiber molding wall. The method comprises the following steps: (1), uniformly coating a layer of poly urethane (PU) transparent primer on the front side, back side and periphery of the decorative plate of the plant fiber molding wall, then drying the PE transparent primer; (2), regulating the PE transparent primer into the required color, uniformly coating the PE transparent primer on the front side and periphery of the decorative plate, and then drying; (3), polishing the primer layer surface on the front side of the decorative plate smooth; (4), upturning the face of a water transferring printing film with a pattern and laying the water transferring printing film on a water surface, uniformly spraying an activator on the water transferring printing film, pressing the front side of the decorative plate on the water transferring printing film after 1 to 5 minutes and pasting the front side of the decorative plate with the water transferring printing film, and the taking the materials out and drying the materials; and (5), washing impurities remained on the front side of the decorative plate by clean water firstly, then drying the decorative plate, and uniformly spraying the PU furniture paint on the front side of the decorative plate and then drying to obtain the decorative plate. The water transfer printing method for the decorative plate of the plant fiber molding wall, provided by the invention, is simple in process; the water-resisting property and stain-resisting property of the surface of a prepared product are greatly improved; and the prepared product cannot be damaged and polluted easily.

The invention relates to the technical field of electronic equipment, and discloses a POS machine with good shock absorption effect. There are folding buckles, and the bottom ends of the two folding frames are respectively fixedly connected with the two ends of the upper surface of the circuit board. The POS machine with good shock absorption effect can protect the bottom of the circuit board by setting an upper buffer plate, a telescopic rod and a lower buffer plate, and the upper buffer plate and the lower buffer plate can protect the bottom of the circuit board through the telescopic rod, and reduce slipping due to irregular use. The internal parts of the machine are easily damaged due to other unsafe factors. By setting a buffer spring, the impact force generated by falling on the ground can be absorbed, so as to protect the internal parts of the POS machine and further reduce the internal parts of the machine. In the case of damage, the service life of the POS machine is extended while being easy to use, thereby improving the stability of the POS machine.

The invention relates to an authentication method and system for iris entrance guard remote management. The authentication method comprises the following steps: when an entrance guard terminal detects a trigger signal of an entrance guard button, an iris authentication request is sent to a mobile terminal via a mobile Internet; a mobile terminal acquires iris image information after receiving the iris authentication request and sends the iris image information to the entrance guard terminal via the mobile Internet; the entrance guard terminal compares the received iris image information with preset iris image information, and if the iris image information is consistent with the preset iris image information, the mobile terminal is allowed to be accessed via the mobile Internet for remote management; otherwise, the authentication fails, authentication failure information is fed back to the mobile terminal via the mobile Internet. The authentication method and system are high in security; as a camera of the mobile terminal is utilized for acquisition, the entrance guard terminal has low probability of being damaged by uncorrelated personnel, the security is improved, high stability is achieved, and remote management and much convenience are realized.

The invention discloses a novel method for starting wireless pairing, which solves the problem that when a wireless device is installed at a high position, a person needs to climb to the high positionto press a key to start the pairing, thus bringing great inconvenience. The technical scheme of the novel method for starting wireless pairing is characterized by comprising a wireless device, wherein the wireless device comprises a power supply module and a pairing module coupled to the power supply module, the power supply module is coupled with an alternating current power supply module, a switch unit is connected between the alternating current power supply module and the power supply module, the switch unit is used for controlling on-off between the alternating current power supply module and the power supply module, and the switch unit is arranged outside the wireless device so as to achieve the purpose of conveniently controlling the wireless device at the high position.

The invention relates to a framework composed of prestressed composite beams of a system and a construction method thereof. The framework composed of the prestressed composite beams of the system is formed by connecting composite columns with the composite beams through joints. The composite beams are horizontally arranged between the composite columns. The joints are outer sleeve integrated joints filled with self-compacting concrete. The composite columns are sectional hollow tubular concrete composite columns. The composite beams are system prestressed honeycombed I beams with flanges being rectangular steel tube concrete. Prestressed tendons arranged in rectangular steel tubes in the lower flanges of the composite beams are located in lower reinforcing cavity annular plates and bypass joint outer tubes. The prestressed tendons are positioned through single-hole positioning plates and double-hole mainpositioning plates with holes and subjected to tensioning anchorage at joint end beams. The self-compacting fine aggregate concrete of the composite beams communicates with self-compacting fine aggregate concrete of the joint end beams. By adoption of the framework, the complexity problem of the connecting joints between the system prestressed I beams with the flanges being made of rectangular steel tube concrete and the hollow tubular concrete composite columns is solved.

The invention relates to a battery pack mounted on a roof of an automobile and a method for using the battery pack, belonging to the technical field of new energy vehicles. The battery pack includes battery packs and body assemblies. The battery pack includes an upper cover, a lower cover and a battery pack located between the lower cover and the upper cover. Longitudinal and transverse cross sections of upper cover are inverted U-shaped, the outer contour of the upper cover is provided with an upper flange surface, and the upper flange surface is evenly provided with a plurality of upward vertical inverted L-shaped flanges. Longitudinal and transverse cross sections of the lower cover are U-shaped, the outer contour of the lower cover is provided with a lower flange surface, and the lowerflange surface corresponds to the upper flange surface and closely fits with the upper flange surface. An upper flange surface and a low flange surface are provided with mounting holes correspondingto each other. The body assembly includes a front cross member, a rear cross member, and left and right sides. Battery packs are securely connected to the front cross member, the rear cross member, and the left and right sides through mounting screws into the mounting holes. The bottom surface of the lower flange surface is provided with a ring of grooves, the cross section of the grooves is an inverted T-shaped structure, a first sealing strip is clamped in the grooves, and a sealant is arranged at the joint of the upper flange surface and the lower flange surface. The battery pack mounted ona roof does not occupy extra space and does not affect the use, has the advantages of convenient disassembly and maintenance and is not easy to be damaged and not dangerous.

In a vending machine island having a standard supporting a mounting plate at an elevated position, a securing post which extends to a level of the top of the tallest vender. A lid locked to the vender is provided with engaging means which engages a bracket affixed to the securing post. The bracket is secured by a locking screw which can only be accessed when the globe is removed, which requires that the lid of the globe be removed. Each vending machine is thus affixed to the stand by both its base and its lid, rendering the vending machine island substantially more resistant to theft and vandalism.

The invention provides a polyurea anti-corrosion and anti-explosion magnetic flux sensor, comprising a bobbin, a coil twined at the outside of the bobbin, an outer sleeve, a data line connected to thecoil by passing through an outgoing line baffle, wherein a gap between the coil and the outer sleeve is filled with epoxy resin, a bonding layer is respectively coated on the outer surfaces of the bobbin and the outer sleeve, a polyurea layer is coated at the outside of the bonding layer, a bonding layer is also coated on the outer surface at the outlet of the data line, and a polyurea layer is coated at the outside of the bonding layer. The material constituting the polyurea layer is a polyurea material having a thickness of 500 to 2000 mu m; and the material constituting the bonding layer is an adhesive or coating having bonding power with the data line, the bobbin and the polyurea layer and having a thickness is 20 to 60 mu m. The polyurea anti-corrosion and anti-explosion magnetic flux sensor has a novel polyurea anti-corrosion system, which can greatly improve the overall anti-corrosion performance and anti-explosion performance of the magnetic flux sensor, prolong the service life thereof, and expand the application environment range of the magnetic flux sensor, and the manufacturing method of the magnetic flux sensor is simple.

The invention provides a high-strength self-cleaning reflective film and a preparation method thereof. The reflective film comprises a transparent supporting layer, a glass bead layer, a reflective layer, a self-cleaning layer and a protective layer; the surfaces of glass beads are coated with organic modified films, so that the glass beads are changed from hydrophilicity to lipophilicity, and the single-layer tightly and uniformly distributed glass bead layer is easily formed; when the reflective layer is prepared, the scaly glass powder and the scaly aluminum powder are overlapped in parallel, so that permeation of water, air, corrosive ions and the like is effectively prevented, the reflectivity, permeation resistance and corrosion resistance of the reflective film are improved, and the service life is prolonged; the self-cleaning layer is prepared from polycarbonate and benzoxazine modified TiO2-SiO2 composite particles, and the prepared self-cleaning layer is free of fluorine, non-toxic, high in light transmittance, resistant to ultraviolet rays and durable in self-cleaning; and the introduction of the protective layer enhances the wear resistance and self-cleaning property of the reflective film, and the mechanical strength of the reflective film is greatly improved.