89results about How to "Avoid infringement" patented technology

The invention relates to an anti-ant large-core-number fiber ribbon cable comprising a cable core and an outer sheath. The cable core includes loose tubes; and fiber ribbons are sleeved inside the loose tubes. The outer sheath is an outer nylon sheath; and a non-metallic reinforcement layer is arranged between the outer sheath and the cable core. According to the anti-ant large-core-number fiber ribbon cable provided by the invention, with the outer nylon sheath, ants can not bite the sheath, so that the damages on the optical cable by ant biting in a pipe at an area with a serious anti problem are prevented, the normal state of the cable is ensured, and the application region of the cable is extended. The cable based on a simple and reasonable structure has advantages of small cable diameter, high fiber density, large fiber capacity, and low duty ratio and can be laid in a pipe conveniently; and the bending performance is good. During branched connection, 4 to 24 fibers can be melted once, so that the construction time is saved and the manpower cost is lowered, and the construction efficiency is improved. On the basis of the full drying type dielectric structure, branched connection is realized conveniently and usage becomes convenient.

The invention discloses a hospital internal network security isolation method based on an all-optical network architecture. The method comprises the following steps: S1, dividing a hospital internal network into a plurality of virtual optical slices by using an all-optical network slicing technology; s2, performing time domain isolation by using an optical time domain multiplexing technology, and transmitting data on different optical wavelengths by using a wavelength selective switching technology; s3, monitoring and managing bandwidth allocation through a software defined network control platform; s4, traffic prediction and resource optimization are carried out based on a decision tree integration algorithm; s5, detecting potential anomalies and security threats by using the graph neural network; s6, abnormal behaviors are detected through an isolation forest algorithm, and abnormal traffic is marked and isolated; s7, recording a network traffic log through a block chain technology; and S8, when a network fault occurs, using an intelligent self-healing mechanism to automatically switch redundant optical path resources and recover the optical path. According to the invention, all-optical network slicing and artificial intelligence technologies are fully utilized, and security isolation and resource optimization of a hospital internal network are realized.

The invention relates to a PCDN equipment detection method and device, computer equipment and a storage medium. The method comprises the following steps: acquiring terminal information data; according to a preset analysis threshold value, the historical query data and the terminal information data, carrying out equipment confirmation on the to-be-identified equipment to obtain an equipment confirmation result; when the device confirmation result is that the to-be-identified device is confirmed to belong to the PCDN device, updating a feature library of the management platform based on the terminal information data to obtain an updated feature library, and generating an isolation blocking instruction; and transmitting the isolation blocking instruction and the updated feature library to the gateway terminal. By adopting the method, the security and management capability of the home network can be effectively improved, the PCDN equipment is accurately detected by collecting and analyzing the equipment flow information through the local plug-in and combining the characteristics and the cloud secondary identification, the false alarm and the missing alarm are reduced, the damage of malicious equipment to the home network is prevented, suspicious equipment is isolated or blocked in real time, and the safety of the home network is improved. And timely updating of the feature library is ensured.

The invention discloses a photovoltaic panel and a supporting device thereof, and belongs to the technical field of photovoltaic panels, and the photovoltaic panel comprises a photovoltaic panel main body, a supporting frame is fixedly arranged on the lower side of the photovoltaic panel main body, a supporting column is fixedly connected to the bottom of the supporting frame, a rotating frame is rotatably connected to the supporting column, and an adjusting mechanism is rotatably connected to the rotating frame. A protective cover is fixedly connected to the adjusting frame, a weeding mechanism is rotatably connected to the bottom end of the adjusting frame, and a movable frame is arranged in the adjusting frame in a sliding fit mode. In the photovoltaic panel, in the use process of the photovoltaic panel, after weeds below the photovoltaic panel grow to a certain height, the cutter bar can be driven to rotate by using the rotating frame, so that the cutter bar automatically weed the weeds below the photovoltaic panel, it is ensured that illumination of the area below the photovoltaic panel is not shielded, potential threats of the illumination to a photovoltaic system are reduced, and the photovoltaic system is protected. Long-term stable operation of photovoltaic equipment is ensured, the power generation efficiency of a photovoltaic panel is maintained, the manual maintenance cost is reduced, and the overall management level is improved.

The invention belongs to the technical field of food safety, and discloses a full-automatic fast detection method and system for multiple types of target objects based on food traceability. The method comprises: using a microscope to collect a food finished product image; analyzing and processing the food finished product image to obtain a first finished product image; analyzing and processing the first finished product image to obtain first feature data; performing component detection on the food finished product, and extracting a target detection component and a corresponding target detection component content; analyzing and processing the target detection component to obtain second feature data; obtaining an ingredient table corresponding to the finished food; according to the first feature data and the second feature data, constructing a food feature equation set, and according to an equation solution of the food feature equation set, judging whether the ingredient list is consistent with the raw materials actually used by the food finished product; according to the scheme, particle feature analysis and component detection are combined, the consistency of the ingredient table and the actual components is quantitatively verified, and the ingredient table is effectively prevented from being counterfeited.

According to the chip resistor and the preparation method thereof, the laser wire cutting grooves adjacent to the left electrode and the right electrode are formed in the resistance layer through laser cutting, the resistance value of the resistor can be accurately adjusted and controlled, the manufacturing precision and consistency of the resistor are improved, the laser cutting mode is optimized through diagonal cutting, and the production efficiency is improved. The laser wire cutting groove is limited at the diagonal position and is adjacent to the front electrode, and the heat effect of the resistor is correspondingly controlled, so that the heat dissipation performance is improved; according to the chip resistor, through a multi-layer protection structure formed by the first protection layer made of the glass material and the second protection layer made of the epoxy resin material, the invasion of moisture, chemical corrosion and mechanical damage is effectively prevented, the service life of the resistor in a severe environment is remarkably prolonged, and particularly, through the third protection layer made of the resin silver material, the service life of the resistor is prolonged. The anti-corrosion performance of the electrode part is enhanced, so that the resistor can keep stable electrical performance during long-time work.

The invention relates to the technical field of agriculture, and discloses a nano liquid spray film-forming agent for fruit planting and disease and insect pest resistance and a preparation method thereof. The nano liquid spray film-forming agent has good disease-resistant and insect-resistant effects, has good film-forming property after being sprayed on the surfaces of plant leaves or fruits and air-dried, can well attach the pesticide to the leaves, can improve the utilization rate of the pesticide, and can be used as a long-acting slow-release disease-resistant and insect-resistant agent. The material is simple in preparation method and low in raw material cost, can be stored for 1-3 months after long-term application, can also solve the problem of pesticide residues, and can be used for producing green organic food. The nano liquid spray film-forming agent disclosed by the invention can jointly realize safety, environmental friendliness and functionality, is harmless to a human body and the environment while ensuring a fruit preservation effect, and is suitable for environments such as orchards and comprehensive fruit and vegetable gardens in wet areas.

The invention discloses a production method of hybrid rice seeds, and belongs to the field of agricultural breeding. According to the method, high-purity hybrid seeds are produced through the technical means of excellent female parent reproductive line cultivation, reproductive line reproduction, preliminary fluorescent sorting, further fine seed screening, artificial seed shell adding, hybrid seed production and the like. According to the method, the technical problem that the sorting effect and the seed purity of colorless seeds and colored fluorescent seeds are influenced due to the fact that the precision of a color sorting technology cannot reach 100% due to difference or abnormal development of maturity of reproductive line seeds of a common nuclear male sterile line can be solved, and sterile line seeds meeting the market standard are obtained.

The utility model discloses a valve, a battery pack and a vehicle, and relates to the field of batteries, the valve comprises a valve body, the valve body is provided with a gap, and the gap is used for being communicated with a pressure relief hole of the battery pack to exhaust gas in the battery pack; the shell is provided with a groove, the shell is used for being connected with the outer wall of the battery pack to define a cavity, the groove is at least part of the cavity, and an opening is formed in the shell; the protection parts are arranged in the groove, a ventilation channel is formed by the protection parts and the inner wall of the shell, and the protection parts are arranged between the opening and the valve body at intervals so as to reduce the amount of objects entering the groove from the outside of the opening and impacting the valve body. According to the scheme, the valve has the flow guide and pressure relief effects, meanwhile, the impact of external objects on the valve can be weakened, and then it is guaranteed that the battery pack works normally and safely in the vehicle running process.

The utility model discloses a tundish slag blocking wall with high erosion resistance, which comprises a first slag blocking wall body, second slag blocking wall bodies, steel flowing ports and a reinforcing sleeve, the left side and the right side of the first slag blocking wall body are fixedly connected with the second slag blocking wall body, the first slag blocking wall body and the second slag blocking wall body are provided with the steel flowing ports, and the reinforcing sleeve is fixedly connected with the first slag blocking wall body and the second slag blocking wall body. Reinforcing sleeves are fixedly mounted on the first mounting plate and the second mounting plate, and the first slag stopping wall body and the second slag stopping wall body are each composed of a reinforced concrete layer, an anti-corrosion layer and a wear-resisting layer. Through the arrangement of the wear-resisting layer and the anti-corrosion layer, the wear-resisting layer and the anti-corrosion layer are arranged on the outer side of the slag stopping wall body, so that effective protection measures can be improved, the wear-resisting layer can effectively resist scouring and friction, abrasion of the slag stopping wall is reduced, and the anti-corrosion layer can isolate corrosive media in the environment; the slag blocking wall is prevented from being damaged by chemical corrosion and electrochemical corrosion, the structural integrity and stability of the slag blocking wall are kept, and therefore the service life of the slag blocking wall is prolonged.

The utility model discloses a waterproof high-voltage connector used for an electric automobile, which relates to the technical field of electric automobiles and comprises a connector body, the connector body is composed of a contact piece and a terminal strip, the contact piece is movably connected with the terminal strip, and the contact piece comprises a male end protective shell. An output cable is fixedly installed on the outer wall of the side, away from the terminal strip, of the male end protection shell, and a first contact is fixedly installed on the inner wall of the male end protection shell. The terminal strip comprises a female end protection shell, through arrangement of a protection ring, a sealing groove, a connection notch and the like, the sealing performance of the connector body is guaranteed, the situation that moisture or other external substances in the environment invade the connector body to cause internal corrosion or faults of the connector body is effectively avoided, the fault risk of an electrical system can be reduced, and the service life of the connector body is prolonged. The driving system and other electrical components of the electric automobile can be ensured to operate stably, the damage of moisture to the battery system is prevented, the service life of the battery is prolonged, and the performance of the battery is maintained.

The invention discloses a preservative film as well as a preparation method and application thereof, and the preparation method comprises the following steps: preparing ascorbic acid carbon quantum dots; preparing an acetic acid solution of chitosan; the ascorbic acid carbon quantum dots and an acetic acid solution of chitosan are mixed to obtain a film forming solution, and the film forming solution is dried to form the preservative film. The preservative film prepared by the invention is used for fruit preservation, and can inhibit the growth of mould in fruits, reduce the weight loss ratio of the fruits, slow down the reduction of soluble solids in the fruits, and realize a better fruit preservation effect.

The utility model provides a disaster area fast installation type monitor, which relates to the technical field of monitoring, and comprises a vertical rod, a telescopic rod is slidably connected in the vertical rod, the telescopic rod is fixedly connected with a mounting table, a monitoring camera is arranged at the top of the mounting table, and a mounting groove is formed in the upper surface of the mounting table. According to the monitoring system, the monitoring camera can be rapidly installed through the installation assembly, monitoring on real-time images of a disaster area is rapidly established, sudden disaster events or potential safety hazards are captured and coped in time, the emergency response speed is increased, rescue work can enter a front track as soon as possible, and waste of precious rescue time due to the fact that monitoring facilities are waited in place is avoided; the monitoring camera can be protected through the protection assembly, the monitoring camera is prevented from being damaged by rainwater and perpendicular incidence of the sun, the service life of the monitoring camera is prolonged, and the damage rate of the monitoring camera is reduced.

The invention provides a recycled carbon fiber reinforced polypropylene composite material as well as a preparation method and application thereof, and the recycled carbon fiber reinforced polypropylene composite material comprises 75-90 parts of polypropylene, 10-20 parts of modified recycled carbon fiber, 0-3 parts of a compatilizer, 0.2-0.5 part of an antioxidant, 0.1-0.2 part of a light stabilizer and 0.3-1 part of a coloring agent. The modified recycled carbon fiber is obtained by sequentially carrying out supercritical treatment and silane coupling agent treatment on recycled carbon fiber. According to the invention, organic matters and oxide layers remained on the recovered carbon fibers are removed through supercritical treatment, and the surface energy of the carbon fibers is enhanced, so that the surface energy of the carbon fibers is closer to that of polypropylene, and the compatibility of the carbon fibers and the polypropylene is improved; on the other hand, the supercritical treatment can improve the surface roughness of the recycled carbon fibers, increase the surface activity of the recycled carbon fibers, enable the recycled carbon fibers to be more strongly combined with a silane coupling agent, enable the surface energy of the grafted carbon fibers to be further improved, enable the grafted carbon fibers to be more compatible with a polypropylene matrix, enable the binding power between the recycled carbon fibers and polypropylene to be enhanced, and effectively transmit stress; and the mechanical strength, rigidity and toughness of the composite material are obviously improved.

The utility model discloses a temperature controller mounting structure, including downside protective cover, the middle end of downside protective cover top is equipped with the reserved slot, the inner chamber of reserved slot is provided with temperature controller body, the periphery of reserved slot top all is fixedly connected with screw thread limit link, the surface of screw thread limit link is swingly connected with upside protective cover through the limiting hole, the surface of screw thread limit link and the surface screw thread connection of upside protective cover's surface has the protective pad, the both sides of upside protective cover are equipped with the draw -in groove. The utility model discloses the limiting hole screw thread connection of screw thread limit link and upside protective cover, the installation and dismounting of upside protective cover are convenient, can guarantee the stability of upside and downside protective cover connection simultaneously. Protective pad further enhanced the compactness and stability of connection. The clamping of draw -in groove and clamping plate and the clamping of temperature controller body and limiting slot make the whole mounting structure more firm, prevent the relative displacement of each component in the use process.

The utility model discloses an auxiliary device applied to project cost budgeting, and relates to the technical field of project cost budgeting, the auxiliary device comprises a box body and an auxiliary mechanism, the auxiliary mechanism is arranged on the inner side of the box body, and the auxiliary mechanism comprises a cover plate assembly arranged at the top end of the box body. The cover plate assembly protects the analyzer in a covering mode so as to prevent external substances such as dust and moisture from damaging the analyzer when the analyzer is not in working time, the analysis assembly uses a scanning groove to be responsible for data collection, a display screen provides information display, and a capacitance pen achieves interactive operation between a user and the display screen. According to the construction cost budgeting device, the whole construction cost budgeting process is more visual, the components are convenient and orderly to store, engineering drawings are effectively protected and managed, the working efficiency is improved, the whole device is easier to carry due to the carrying components, and the carrying portability is improved.

The present invention provides a photovoltaic energy storage charging control device based on a new energy grid and a control method thereof, which belongs to the field of photovoltaic energy storage technology. The photovoltaic energy storage charging control device based on a new energy grid includes a support shell, an installation cavity one, an installation cavity two, a battery assembly, a photovoltaic panel, a concave support frame, and a rotation groove. When the photovoltaic panel rotates along the rotation groove and is vertically parallel to one side of the support shell, both sides of the support shell are provided with an L-shaped shielding frame, which is used to cooperate with the photovoltaic panel to fit with the inner wall of the L-shaped shielding frame when it descends; the present invention not only optimizes the space utilization and reduces unnecessary occupied space through the clever design of the photovoltaic panel and the L-shaped shielding frame, but also effectively protects the photovoltaic panel and avoids the photovoltaic panel from being damaged by external factors. This design not only improves the use efficiency of the photovoltaic panel, but also extends its service life, providing strong support for the development and application of new energy grids.

The invention discloses an ultra-high molecular weight polyethylene composite diaphragm for a high-performance lithium battery, and relates to the technical field of polyethylene composite diaphragms.The ultra-high molecular weight polyethylene composite diaphragm comprises a polymer diaphragm and first pores, and the polymer diaphragm comprises a coating, an antibacterial layer, a first microporous layer, a second microporous layer, a functional layer, a reinforcing layer and a polyethylene base film. According to the ultra-high molecular weight polyethylene composite diaphragm for the high-performance lithium battery, heat conduction is prevented through the functional layer, a safe buffer area is formed, further diffusion of heat or current is prevented, the reinforcing layer has good strength and toughness, and the polyethylene diaphragm is prevented from being broken when the lithium battery is overcharged or short-circuited; a multi-layer composite structure is formed through the arrangement of the first microporous layer, the second microporous layer, the second pores and the first pores, the distribution and flowing of an electrolyte can be improved, meanwhile, the antibacterial layer can effectively prevent impurities, microorganisms or other corrosive substances in the electrolyte from damaging the polyethylene diaphragm, and the service life of the polyethylene diaphragm is prolonged. And the overall performance of the polyethylene diaphragm for the lithium battery is improved.

The utility model discloses a fire detection tube type temperature-sensing self-starting fire extinguishing device which comprises a tube body, sleeves used for shrinking towards the axial lead direction are arranged on the outer walls of the two ends of the tube body in a sleeved mode, sealing valve bodies are arranged at the two ends of the tube body, and the sleeves are tightly pressed on the end faces of the tube body. A plurality of convex hulls at equal intervals are evenly distributed on the inner wall of the sleeve with a circle point as the axis and abut against the outer wall of the pipe body, a protective cover is arranged on the outer wall of the sealing valve body, and the sealing valve body is further provided with detachable installation pieces embedded into the two sides of the protective cover. A plurality of convex hulls are embedded in the inner wall of the pipe body, so that the friction force and the locking force between the sleeve and the pipe body are effectively enhanced, the connection looseness caused by factors such as oxidation and humidity is prevented, and the fire extinguishing agent is effectively prevented from leaking; through the design of the detachable mounting piece, screw fixing or magnetic attraction mounting is supported, and practicability and convenience are achieved; in addition, the protective cover also plays a role in increasing the creepage distance and preventing fire.

The utility model provides a rotatable detachable screen window, which belongs to the technical field of door and window structures, and comprises a screen sash, a gauze element, a screen sash pressing line and a screen sash lock, the outer side of the gauze element is fixedly connected with the screen sash through a first bolt, the inner side of the gauze element is fixedly connected with the screen sash pressing line, and the screen sash pressing line is fixedly connected with the screen sash lock. The gauze sash is fixedly connected with the gauze sash lock, the gauze sash pressing line is fixedly connected with the gauze sash lock, the gauze sash lock is located below the gauze sash, the gauze element and the gauze sash pressing line, a lock seat is arranged below the gauze sash lock, a hinge is arranged between the gauze sash lock and the lock seat, and the gauze sash lock is fixedly connected with the gauze sash pressing line. The screen sash lock is rotationally connected with the lock seat through the hinge, a heat insulation cavity is formed below the lock seat, the lock seat is fixedly connected with the heat insulation cavity through a fixing jackscrew, and the problem that an existing screen window is inconvenient to disassemble can be solved.

The utility model discloses an auxiliary mechanism based on a dry-type chemical filtering device, relates to the technical field of filtering equipment, and aims to provide the auxiliary mechanism based on the dry-type chemical filtering device, which can automatically clean a front filtering plate without stopping the machine. A vertical partition plate is arranged at the position, corresponding to the air outlet, in the box body, and two independent filtering areas are arranged between the two sides of the vertical partition plate and the box body. The technical effects are that the sewage disposal part and the steering part are arranged, the external exhaust fan works, and air in the filtering areas is pumped out through the sewage disposal hose, so that negative pressure is formed below the front filtering plate; the air flow is formed to reversely blow the front filter plate, blocked dust is blown out, meanwhile, the filter area on the other side is not affected, the filtering work is continued, the purpose of automatically cleaning the front filter plate under the non-stop condition is achieved, and the problem that the filtering efficiency is affected is avoided.

The invention discloses an end sealing assembly, a non-metal carrier roller and an assembling method. The end sealing assembly comprises a bearing and a sealing ring, a mounting cavity, a bearing cavity and a roll shaft hole which are concentrically arranged and sequentially communicated are formed in the bearing seat; the bearing is arranged in the bearing cavity; the two sealing pieces are arranged oppositely and are arranged on the two opposite sides of the bearing respectively, and grease layers are arranged between the sealing pieces and the bearing; and the end cover is arranged in the mounting cavity and is connected with the bearing seat. The invention discloses an end sealing assembly, a non-metal carrier roller and an assembling method, and aims to solve the problem that an existing bearing is easy to fail in sealing.

The utility model discloses a composite anticorrosive coating structure for a fastener, which comprises a fastener base material, a nickel pre-plating layer is fixedly arranged on the surface of the fastener base material, a convex connecting part is fixedly arranged on the surface of the nickel pre-plating layer, and a zinc-aluminum layer is fixedly arranged on the surface of the convex connecting part. According to the composite anti-corrosion coating structure for the fastener, through the arrangement of the zinc-aluminum layer, the anti-corrosion assembly and the anti-pollution coating set, the zinc-aluminum layer forms a physical barrier for a fastener base material, corrosion resistance is improved, the molybdate passivation layer has excellent chemical corrosion resistance, corrosion of the fastener base material can be effectively prevented, and the service life of the fastener base material is prolonged. The organic coating of epoxy resin can effectively prevent invasion of chemical substances, the PVDF coating has the characteristics of extremely high corrosion resistance and low surface energy, dirt is not prone to being attached to the PVDF coating, the PTFE coating is good in corrosion resistance and has antifouling capacity, water, oil and other pollutants can be effectively prevented from being attached to the surface, dirt is not prone to being attached to the surface, and corrosion is further avoided.

The utility model relates to the technical field of grapefruit planting, and discloses an adjustable grapefruit planting supporting device which comprises a supporting block, two sets of square pipes are arranged at the top end of the supporting block, connecting rods are arranged on one sides of the interiors of the two sets of square pipes, first racks are arranged on one sides of the two sets of connecting rods, a first mounting frame is arranged on one sides of the square pipes, and a worm is arranged at the top end of the first mounting frame. A rotating wheel is arranged at the top end of the worm, a rotating rod is rotationally arranged between the two sides of the inner wall of the first mounting frame, the two ends of the rotating rod are sleeved with two first gears, the middle end of the rotating rod is sleeved with a turbine, a second mounting frame is arranged at the top end of the connecting rod, and a sliding groove is formed in one side of the second mounting frame. By means of the device, drooping grapefruit branches can be supported and protected, growth of grapefruit trees is effectively protected, aging is slowed down, the yield and quality of grapefruits are improved, and damage of birds to the grapefruit trees can be prevented.

The invention relates to the field of black pig breeding, and particularly discloses an in-pen parasite expelling device for a black pig breeding farm, which comprises a support frame, a closed pig channel is arranged on the support frame, the two ends of the pig channel are open, a pesticide spraying mechanism for spraying a parasite expelling agent is arranged on the pig channel, and the output end of the pesticide spraying mechanism is positioned in the pig channel; a driving mechanism is arranged on the pig channel, a rotating assembly is arranged on the pig channel, and deflection assemblies are arranged at the two ends of the pig channel. According to the device, mosquitoes can be lured to the pesticide spraying mechanism to form a closed space, the effects of repelling and killing most of the mosquitoes are achieved, flying away of the mosquitoes is reduced, the purpose of comprehensively killing the mosquitoes is achieved, the insect repelling efficiency and the insect killing effect are improved, meanwhile, pesticide spraying treatment can be conducted on black pigs, the effect of preventing infringement of a small part of the mosquitoes is achieved, and the device is worthy of popularization and application. Therefore, the black pigs are prevented from being invaded by mosquitoes, healthy growth of the black pigs is facilitated, and the pig raising quality is improved.

The invention discloses a gasoline-resistant highlight black ASA material and a preparation method thereof, and belongs to the technical field of high polymer material modification. The ASA material is prepared from the following raw materials in parts by weight: 60 to 75 parts of AS resin, 20 to 35 parts of ASA high rubber powder, 5 to 10 parts of thermoplastic polyamide elastomer, 0.2 to 0.4 part of antioxidant and 0.5 to 1 part of toner. Wherein the ASA high rubber powder is of a core-shell structure, an inner core of the ASA high rubber powder is butyl acrylate, the content of the butyl acrylate is 50-60%, and a shell graft is styrene and acrylonitrile. By embedding the thermoplastic polyamide elastomer, the material can be prevented from being damaged by highly corrosive gasoline components, meanwhile, the highlight black effect of the material is not affected by the addition of the thermoplastic polyamide elastomer, and the problem that the glossiness of the highlight surface is degraded after the automotive exterior ASA material is in contact with gasoline is solved.

The invention discloses a paper protection liquid based on a nano GeO2 / CTAB (cetyltrimethyl ammonium bromide) compound and application of the paper protection liquid in paper protection, and belongs to the technical field of paper protection. The protection liquid is obtained by dissolving a nano GeO2 / CTAB (cetyltrimethyl ammonium bromide) compound in deionized water, wherein the nano GeO2 / CTAB compound is formed by mixing germanium dioxide, NaOH and CTAB in a water phase according to a certain proportion and growing. The advantages of weather resistance and ultraviolet resistance of the nano GeO2 / CTAB compound are fully utilized, and paper repaired by the multifunctional protection liquid better embodies the principle of'repairing old as new 'of cultural relic protection in the aspects of gloss, texture and the like; the nano GeO2 / CTAB compound paper protection liquid not only can inhibit the growth and reproduction of gram-positive bacteria and gram-negative bacteria on the surface of paper, but also can play a good role in killing and inhibiting fungi and spores thereof separated from the surface of the paper.

The application discloses a cloud artemisia fruit forest undergrowth breeding device and relates to the technical field of seed seedling cultivation. The cloud artemisia fruit forest undergrowth breeding device comprises a breeding frame, a closed curtain and a glass window. The breeding frame comprises an integral outer frame. The closed curtain is fixedly connected to the front face and the back face of the integral outer frame. The glass window is fixedly connected to the left side and the right side of the integral outer frame. The breeding frame is fixedly connected with fruit drop collecting mechanisms on the left side and the right side. An electrical box is fixedly connected to the left face of the fruit drop collecting mechanism on the left side. The fruit drop collecting mechanisms are communicated with fermentation trapping mechanisms on the back face. The breeding frame is fixedly connected with isolation and repelling nets on the left side and the right side. The cloud artemisia fruit forest undergrowth breeding device actively repels and traps the pests breeding inside and outside the device by means of the fruit drop collecting mechanisms, the external trapping openings and the isolation and repelling nets, and the generation quality and yield of the cloud artemisia are improved.

The utility model discloses a moisture-proof and anti-corrosion cable for a port, which relates to the technical field of cables and comprises a conductor layer made of high-purity copper or aluminum and used for high-efficiency power transmission; the inner insulation layer wraps the conductor layer, is made of crosslinked polyethylene (XLPE) or ethylene propylene rubber (EPR) and is used for providing primary insulation protection; and the moisture-proof layer is wrapped outside the inner insulating layer, is made of a fluorinated polymer material with a nano microporous structure, and is used for preventing moisture from permeating. According to the cable, the moisture-proof layer is additionally arranged outside the inner insulating layer, and the fluorinated polymer material (such as fluorosilicone rubber or polytetrafluoroethylene PTFE) with a nano microporous structure is adopted, so that moisture permeation is effectively prevented, and the damage of a humid environment to the interior of the cable is prevented. The design greatly improves the moisture resistance of the cable in a high-humidity port environment, and ensures the insulation stability and reliability of the cable in long-term use.

This invention discloses the use of an insecticidal protein, specifically a method and its application for controlling lepidopteran pests. The method includes contacting the lepidopteran pests with the insecticidal protein, or introducing a nucleic acid molecule encoding the insecticidal protein into a plant, causing the lepidopteran pests to feed on the plant. The insecticidal protein contains the amino acid sequence shown in SEQ ID NO:2, SEQ ID NO:3, SEQ ID NO:4, SEQ ID NO:5, SEQ ID NO:6, or SEQ ID NO:20. In this invention, the Cry1Da1 proteins BD1-002, BD1-018, BD1-019, BD1-021, BD1-022, and BD1-022S exhibit good insecticidal activity against the soybean pest, the silver-striped armyworm.