24results about How to "Strong persistence" patented technology

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 present invention belongs to the field of microelectronics and relates to a ferroelectric tunnel junction memristor with high tunnel resistance and a preparation method and application thereof. The memristor comprises: a substrate, a bottom gold electrode layer, and a heterojunction layer are sequentially arranged from bottom to top; the heterojunction layer is CuInP 2 S 6 / MoS 2 Vertical heterojunction, as a dielectric layer. Using two different two-dimensional materials and forming them into a vertical heterojunction, a high-speed and low-voltage mediated memristor is presented.

The utility model relates to an electrician and electronic tin soldering practice device which comprises a control box, the top of the control box is fixedly connected with a protection box, a working opening is formed in the protection box, the interior of the protection box is fixedly connected with a switch valve, the top of the protection box is fixedly connected with visual glass, and the visual glass is fixedly connected with a power source. The top of the control box is fixedly connected with a sliding rail block, and the top of the sliding rail block is movably connected with an adjusting structure. According to the electrician and electronic tin soldering practice device, by arranging the adjusting structure, when a fire breaks out during practice, a practicer can quickly hold the device to the outside of the protection box by hand to prevent the practicer from being burnt, and meanwhile the adjusting plate can slide to adjust the position, so that the problem that a beginner cannot accurately position during operation is solved, the learning efficiency is effectively improved, and the practicability is high. And meanwhile, a detection sensor arranged in the device can help a user to carry out accurate welding operation, the product percent of pass is increased, and the equipment maintenance success rate is increased.

The invention relates to a floating type micro-flow hydroelectric power station which comprises an adjusting water tank, a hydro-generator, a protective net, a first adjustable flow guide plate, a second adjustable flow guide plate, a flow guide plate support and a flow guide tank body. The adjusting water tank is a ballast water tank and is used for adjusting the balance and the draught depth of the power station; the hydro-generator is a vertical shaft type hydro-generator; the hydro-generator comprises a power generation impeller, a magnetic suspension bearing, a generator, a main control device, a hydraulic cylinder and a water turbine. The magnetic suspension bearings serve as axial and radial suspension supports, friction resistance is reduced to the maximum extent, and the starting flow speed is reduced. The main control device is used for controlling the magnetic suspension bearing in real time according to bearing and rotating speed of the power generation impeller rotating shaft. Compared with the prior art, the vertical shaft type water turbine is adopted, and the adaptability to water flow direction changes is high; the magnetic suspension bearing is adopted, friction resistance is reduced, and micro water flow can push the impeller to rotate; the vertical shaft type water turbine is simple in structure and high in adaptability to water flow direction changes.

This invention discloses the application of *Lactobacillus plantarum* TWK10 in the preparation of health foods or drugs that enhance exercise motivation. *Lactobacillus plantarum* TWK10, with its Latin name *Lactobacillus plantarum*, was deposited on June 27, 2022, at the China General Microbiological Culture Collection Center (CGMCC), located at No. 3, Courtyard 1, Beichen West Road, Chaoyang District, Beijing, with accession number CGMCC NO. 25190. This invention fills a technological gap in the field of probiotics for sports psychology intervention, providing a new strategy for "physiological-psychological" dual-effect intervention in sports nutrition, and can be further applied to weight management.

The invention relates to the technical field of soil improvement, and discloses a garden soil composite improver and a preparation method thereof. The soil composite improver comprises, by weight, 12-15 parts of fermented organic fertilizer, 9-20 parts of modified water-retaining adsorbent, 24-30 parts of biochar, 5-8 parts of plant ash, and 1.2-2 parts of a microbial mixture. The soil composite improver has good adsorption to heavy metal ions, can effectively remove heavy metal ions in the soil, and has excellent fertilizer and water retention, and can maintain the nutrients in the soil for a long time. It has excellent air permeability and water retention, can keep the soil loose and moist, improve soil compaction, improve soil air permeability and soil activity, provide necessary air and water for the growth of plant roots, and each component complements and promotes each other, synergizes and enhances efficiency, and can effectively improve the quality of garden soil.

The utility model relates to the technical field of cable supports, in particular to a cable support with a looseness warning function, which comprises a warning box fixedly mounted on the lower surface of a supporting rod, a mounting plate fixedly mounted on the inner side of the warning box, and a warning assembly fixedly mounted on the side wall of the mounting plate. A lever body is fixedly installed on the lower surface of the shaft sleeve, a limiting groove is formed in one end of the lever body, an iron ball is arranged on the inner surface of the limiting groove, a storage battery is fixedly installed on the side surface of the installation plate, a microswitch is arranged on the side surface of the storage battery, and a connecting wire is arranged on the upper surface of the storage battery. The support has the advantages that a good warning effect is achieved, compared with the mode that an elastic ball makes a sound on an arc-shaped metal sheet, good continuity is achieved, a worker can be reminded to fix the support in time when the support body inclines, and potential safety hazards are avoided.

The utility model discloses a carton printing device which comprises a machine frame, a printing mechanism and a conveying belt, a connecting plate is arranged on the rear side of the bottom of the machine frame, a bottom plate is fixedly installed at the bottom of the connecting plate, a threaded rod is rotatably installed at the top of the bottom plate, and a limiting rod is fixedly installed at the position, located on one side of the threaded rod, of the top of the bottom plate. According to the carton printing device, the rack, the printing mechanism, the conveying belt, the bottom plate, the connecting plate, the threaded rod, the limiting rod, the drying box, a mounting plate, an air heater, a V-shaped uniform distribution plate, an input pipe, a connecting pipe, a motor, a first gear, a second gear, a cleaning mechanism and a water scraping mechanism are used in cooperation; according to the device, residual cleaning water stains on the conveying belt are scraped once through the water scraping mechanism, then the conveying belt is thoroughly dried through hot air generated by the hot air blower, the using effect of the conveying belt is ensured, and the residual water stain removing mode is not affected by materials.

The utility model belongs to the technical field of laser marking, and particularly provides transparent material marking equipment which comprises a lifting workbench, a laser galvanometer and a laser. The laser galvanometer is mounted on a laser light path emitted by the laser; a target plate is detachably mounted on the lifting workbench; the target plate is provided with a machining face attached to a workpiece to be machined. The machining face is located in the irradiation range of the laser galvanometer. The transparent material marking equipment is simple in structure and convenient to use, a transparent material to be marked is placed between the target material plate and the laser galvanometer, laser emitted by the laser galvanometer is focused on the contact face of the target material plate and the transparent material, target material particles fall off from the surface at a high speed under the action of instantaneous high temperature through violent ablation of the laser on the target material, and marking is achieved. The black laser marking material is applied to the surface of a transparent material and is attached to the surface of the transparent material, high-contrast black marking on the surface of the transparent material is achieved, the mark has high stability and durability, and development of application of the laser marking technology in the field of transparent materials is facilitated.

This invention discloses a method for controlling bacterial wilt and soil antibiotic resistance genes based on a bio-liquid-microorganism-silicon synergy, belonging to the fields of agricultural microbial technology and soil remediation technology. The method includes the following steps: S1, using straw from fields frequently affected by bacterial wilt as raw material, a renewable antibacterial bio-liquid rich in phenolic and ketone compounds is prepared; S2, Bacillus subtilis is subjected to stress-adaptive screening and continuous domestication culture to obtain domesticated strains; S3, the domesticated strains are expanded to prepare a biocontrol agent with enhanced antagonistic ability and environmental tolerance; S4, under pot conditions, the optimal combination of silicon fertilizer, antibacterial bio-liquid, and stress-adaptive biocontrol agent is screened to clarify its role in reducing the spread of antibiotic resistance genes in the soil-plant continuum; S5, under field conditions, silicon fertilizer, antibacterial bio-liquid, and stress-adaptive biocontrol agent are synergistically applied to inhibit soil-borne diseases and simultaneously reduce the spread of antibiotic resistance genes in the soil-plant continuum. This invention has the advantages of stable and sustained control effect and high ecological safety. It can effectively protect the healthy growth of crops and reduce the risk of the spread of resistance genes.

The invention relates to the technical field of non-woven fabric materials, in particular to a composite non-woven fabric and a preparation method thereof.The composite non-woven fabric is characterized in that cotton fiber non-woven fabric serves as a matrix, a composite bacteriostatic agent is grafted to the matrix, and the composite bacteriostatic agent comprises a quaternary ammonium salt component, a photosensitive antibacterial component and m-toluene isocyanate; according to the composite material non-woven fabric and the preparation method thereof, the composite material non-woven fabric has good antibacterial performance, the long-acting antibacterial performance is still kept after water washing, and the durability is high; in addition, the quaternary ammonium salt component and the benzophenone derivative in the non-woven fabric can cooperate with each other, bacterial wreckage accumulation is avoided under illumination, and more excellent antibacterial performance is obtained. 4-methacrylamide benzophenone has a more stable grafting structure, m-toluene isocyanate can form a group with an antibacterial effect, although the single antibacterial property of m-toluene isocyanate is general, the m-toluene isocyanate also has a long-term effect, and on the whole, the composite bacteriostatic agent is mutually matched, so that good antibacterial performance can be kept in a darkroom and a light environment.

The invention relates to the technical field of battery separators, in particular to a high-bonding lithium-ion battery separator and a preparation method thereof. The introduction of wrinkled MoS2@KHCO3 nanosheets greatly improves the mechanical strength, high temperature resistance, thermal conductivity and flame retardancy of the separator, so that PVDF powder is relatively firmly adhered to the surface of the MoS2@KHCO3 nanosheets, and the problem of PVDF coating shedding is improved. Modified polyethyleneimine is used as a binder, firstly β-dextrin and branched polyethyleneimine are chemically cross-linked to form a prepolymer, and then terephthalaldehyde and p-formylbenzoic acid are used for further cross-linking to prepare a self-repairing binder with a network structure. An aluminum-based organic framework is prepared to enclose a functionalized lithium ion liquid with a thiol group to form an ion conductor, thereby modifying the PVDF powder, so that the PVDF powder is uniformly and firmly adhered to the MoS2@KHCO3 nanosheets, and the addition of the modified PVDF powder greatly improves the ionic conductivity and flame retardancy of the separator.

The application relates to the technical field of new materials, and provides a preparation method of a flexible anti-icing / deicing coating fabric, which comprises the following steps: preparing a carbon precursor solution, adding a proper amount of a surfactant and a template material which can be removed later, carrying out hydrothermal reaction for a period of time, filtering, washing, drying, placing the obtained solid powder in a tubular furnace to carry out high-temperature pyrolysis, and obtaining hollow carbon material; taking an adhesive and a curing agent, coating the adhesive and the curing agent on the surface of the fabric, and curing to obtain a pretreated fabric; preparing a hollow carbon material suspension dispersion liquid, uniformly spraying the hollow carbon material suspension dispersion liquid on the surface of the pretreated fabric, and curing to obtain the flexible anti-icing / deicing coating fabric. The application adopts a textile material as a base, adopts the hollow carbon material with high specific surface area and low density as a photothermal matrix, has good hydrophobic effect, and has the advantages of passive anti-icing and active photothermal deicing. The carbon coating fabric has the advantages of superhydrophobicity, photothermal effect, good durability, strong adhesion, recyclable multiple use, high service life and environmental protection.

This invention provides a diazotrophic bacterium capable of degrading benzene compounds and its applications. Specifically, this invention provides a diazotrophic bacterium strain, which has the preservation number CGMCC No. 32883. The diazotrophic bacterium strain of this invention is named DPB548, and it can be used for the degradation of benzene compounds in water or air.

The invention discloses an organic silicon luminescent elastomer based on perovskite quantum dots as well as a preparation method and application thereof, and belongs to the technical field of preparation of photoluminescent elastomers. The organic silicon luminescent elastomer based on the perovskite quantum dots is prepared from the following components in parts by weight: 100 parts of base glue, 1 to 20 parts of modified ABX3 perovskite quantum dots, 10 to 60 parts of filler, 1 to 15 parts of cross-linking agent and 0.1 to 6 parts of catalyst, in the modified ABX3 perovskite quantum dot, A is Cs < + >, B is Pb < 2 + >, and X is Cl <->, Br <-> or I <->. The organic silicon luminescent elastomer based on the perovskite quantum dots, which has good mechanical properties and fluorescence properties, is obtained by making specific limits on all the components and the proportion of all the components; the modified ABX3 perovskite quantum dots are added, so that the modified ABX3 perovskite quantum dots can participate in a cross-linking system, are effectively anchored in a cross-linking network and have good dispersity and stability, agglomeration and intersystem streaming of the perovskite quantum dots are reduced, and good luminous intensity, luminous uniformity and continuity are achieved.

The invention discloses a compound type hair dye as well as a preparation method and application thereof. Comprising an agent A and an agent B, the agent A contains indigo blue, henna quinone, a thickening agent, a surfactant, an organic solvent and water; the agent B contains a natural plant extracting solution, a thickening agent, a surfactant and water; the natural plant extract is obtained by the following steps: crushing natural plants, mixing, adding water of which the weight is 1-1.5 times of the total weight of the natural plants, carrying out ultrasonic treatment at 45-55 DEG C for 1.5-3 hours, and then centrifuging to obtain supernate, namely a natural plant extracting solution; the natural plant is selected from at least one of polygonum multiflorum, walnut green seedcase, eclipta, madder, lithospermum, ginger and sophora flower bud.

This invention discloses a low-sodium polypeptide umami compound seasoning without monosodium glutamate (MSG) and its preparation method, belonging to the field of food seasoning technology. This low-sodium polypeptide umami compound seasoning is composed of polypeptide umami components, low-sodium flavor components, flavor-regulating components, and stabilizers in a specific ratio. It is monosodium glutamate-free and has a sodium content ≤800mg / 100g. The polypeptide umami components are composed of soybean polypeptides and seafood polypeptides; the low-sodium flavor components are composed of low-sodium salts and disodium inosinate (I+G) synergistically; the flavor-regulating components include natural spice extracts and fructooligosaccharides; and the stabilizer is a compound system of xanthan gum and sodium carboxymethyl cellulose. This invention achieves natural umami enhancement through polypeptide compounding, replacing MSG while improving the complexity and persistence of umami flavor.

The utility model belongs to the technical field of lifting platforms, and discloses a stable wine jar placing lifting platform which comprises a U-shaped bottom frame, limiting grooves are formed in the bottom frame, X-shaped supports are installed in the limiting grooves in the two sides in a hinged mode, lifting frames are installed at the upper ends of the X-shaped supports in a hinged mode, the lifting frames are provided with matching grooves, and the matching grooves are matched with the matching grooves. Moving rollers are installed at the two ends of the same side of the X-shaped support, the moving rollers on the upper side and the lower side are located in the matching grooves and the limiting grooves correspondingly, and a containing platform is installed on the upper side of the lifting frame in a lap joint mode. By the adoption of the structural design, the placing platform is supported in a mechanical structure mode, it is guaranteed that the position height of the placing platform does not change in the placing period, and compared with a structure which uses a hydraulic cylinder or an air cylinder for supporting in the prior art, the placing platform is convenient to use and high in practicability. The stability and the durability are higher.

The invention relates to a method for eliminating the linear segregation defect of a ZL205A conical rotary body casting, belongs to the technical field of aluminum alloy casting, and solves the problem that linear segregation generated in the casting forming process of the ZL205A conical rotary body casting can only be reduced but cannot be eliminated in the prior art. According to the new thought that the segregation defect is eliminated by improving the casting structure, the cross-shaped grid ribs are additionally arranged at the bottom of the casting, the wall thickness is evenly increased on the inner side of the large end of the casting, stress concentration during casting solidification can be reduced, the rigidity of the casting and the heat crack resistance during solidification can be improved, and the linear segregation defect of the rotary body casting is eliminated; and the method is simple in process, low in cost and high in efficiency, and has better flexibility and stability.

The invention relates to the technical field of extreme pressure anti-wear agents, in particular to an extreme pressure anti-wear agent, a method for preparing the extreme pressure anti-wear agent and a cross-axle universal joint grease containing the agent. The invention uses a phosphite ester and cyanuric acid and its derivatives under weak base catalysis to carry out an ester exchange reaction to generate a partially monosubstituted or partially disubstituted phosphite extreme pressure and anti-wear additive, which is prepared in a cross-axle universal joint grease. Since a nitrogen-containing aromatic structure is introduced into the molecule, the adsorption and film-forming ability of the phosphite ester is enhanced, thereby improving the extreme pressure and anti-wear properties of the grease. At the same time, a longer atomic group is introduced into the molecule, so that the acidity of the phosphite ester is reduced, thereby improving the problem of severe corrosion.

The application discloses a kind of multilayer composite antibacterial PE water supply pipeline and preparation process thereof, pipeline includes inner layer, outer layer and middle layer, inner layer is modified antibacterial inner layer, outer layer is ultraviolet resistant outer layer and middle layer is mechanical strengthening middle layer, prepare corresponding modified layer raw material according to proportion, after material preparation, material mixing, melting, co-extrusion, cutting, cutting, deburring and rest, etc., process steps, obtain a kind of multilayer composite antibacterial PE water supply pipeline.The beneficial effects of the application are: the inner layer of the antibacterial pipeline uses special PE material, which has excellent antibacterial performance after modification, can resist the growth and reproduction of various microorganisms for a long time, is not easily affected by water quality fluctuations and environment, the amount of material and antibacterial additive is harmless to human body and environment, environmentally friendly and sanitary, the pipeline has excellent corrosion resistance, mechanical strength and durability, the process is simple, and has strong practicality, suitable for mass production and engineering application.

The present invention discloses a sugar transporter Pst25662 of stripe rust, and the amino acid sequence is shown in SEQ ID NO.2. The nucleotide sequence of the sugar transporter expression gene Pst25662 is shown in SEQ ID NO.1. The sugar transporter has the ability to transport sucrose and multiple hexoses, and the gene Pst25662 is upregulated under the induction of stripe rust. The present invention uses Agrobacterium-mediated genetic transformation to obtain transgenic plants with silenced gene Pst25662, and verifies that the transgenic interference plants show resistance to stripe rust. The present invention enriches the new cognition of those skilled in the art on the acquisition of carbon sources for wheat stripe rust, provides ideas for subsequent research on wheat stripe rust-resistant varieties and sustainable regulation, and has substantial reference significance for the design of drug targets for biological control.

The invention discloses a submerged piston generator set and a power generation method. The submerged piston generator set comprises a submerged piston cooperative driving engine, a multi-stage gearbox, a generator, an intelligent control system, a charging generator and a storage battery. After liquid is injected into the piston cylinders, the submerging pistons do circulating reciprocating motion along the piston cylinders under the synergistic effect of liquid buoyancy and gravity of the submerging pistons, torque difference is generated, liquid in the piston cylinders and the gravity box circularly flows in the piston cylinders and the gravity box, gravitational torque difference is generated, and the engine is jointly driven by the torque difference and the gravitational torque difference to rotate. After speed regulation through the gearbox, the generator rotor winding is driven to rotate to generate electricity, and high-quality electric power is stably and continuously output. The whole power generation process does not consume any fossil energy and nuclear materials such as coal, petroleum and natural gas, and does not use unstable natural forces such as wind power, river water, sea waves, tides, terrestrial heat and solar energy. The invention creates a brand-new power generation system and a creative power production mode.

The invention discloses a grouting fire preventing and extinguishing material based on liquid CO2 and a preparation and conveying system thereof, the grouting fire preventing and extinguishing material comprises the following components in parts by weight: 100-200 parts of cement, 50-100 parts of rice hull ash, 3-6 parts of an anti-freezing agent, 9-18 parts of liquid CO2 and 91-182 parts of mixing water, and the preparation and conveying system comprises the following components in parts by weight: 100-200 parts of cement, 50-100 parts of rice hull ash, 3-6 parts of the anti-freezing agent, 9-18 parts of liquid CO2 and 91-182 parts of mixing water. The cement, the rice hull ash and the anti-freezing agent are fully mixed to obtain a mixture A, then the liquid CO2 and the mixing water are fully mixed with the obtained mixture A to obtain a mixture B, and the mixture B is the grouting fire preventing and extinguishing material. According to the grouting fire preventing and extinguishing material disclosed by the invention, few types of materials need to be prepared, the preparation process is simple, the preparation efficiency is high, the fire extinguishing effect is strong, the automation degree is high, liquid CO2 volatilized in the preparation process can be collected and recycled, and the fire extinguishing cost is greatly reduced.