50results about How to "Suitable for large area use" patented technology

The invention relates to a low-power-consumption power supply system for a wireless sensor network. A single-chip microcomputer enters in different work states according to the data request state of a gateway, a data collecting front end and a signal conditioning module are controlled to be powered on and off, under the condition of having no data requests, the single-chip microcomputer sleeps and enters in a low-power-consumption mode, and the whole data collecting front end and the signal conditioning module are disconnected with a power supply. When data request signals are received by a wireless receiving module, the wireless data receiving module rouses the single-chip microcomputer to enter in a data collecting state, data are sent to the wireless gateway after being collected, and when no continuous data requests exist, the single-chip microcomputer enters in the sleep state again until the next data requests come. According to the data request state of the gateway in the wireless sensor network, the single-chip microcomputer works in the two modes of sleep and data collecting, the data collecting front end is controlled to be powered on and off according to the request state of the gateway, and then the aim of lowering power consumption is achieved.

An antistatic paint is prepared through mixing ethyl n-silicate with absolute alcohol, stirring, alcoholysis reaction, dropping hydrochloric acid diluted by purified water to make pH=2-3, laying aside, adding organic silanamine, stirring, adding zinc powder and stirring. Its advantages are high electrostatic conductivity and corrosion resistance, low cost, fast dry, and high firmness of film.

The invention provides a Bletilla rhizome floating direct seeding seedling method, and refers to an orchid family plant bletilla rhizome improvement application in the floating seedling technology; bletilla rhizome seeds germinates and seedling in a non-aseptic environment, and specific implement steps comprises seedling room preparation, matrix preparation, sowing, strengthening seedling, and lifting seedling; the non-aseptic environment cultivation can reduce plant-growth regulator application amount so as to effectively reduce bletilla rhizome seedling aberration rate; the method is simple in operation, and needs no disinfection and isolation cultivation, thus reducing bletilla rhizome seedling growing cost and difficulty; the method is high in germination rate, less in aberration, and the seedling is stronger; the method suits for peasant small scale production, and suits for enterprise large-area application.

The invention provides a method for identifying existence of IAA in a secondary metabolite of streptomyces roseoflavus strain NKZ-259. The method comprises the following steps: step 1, designing a primer according to a gene iaaM (Genbank accession No.: NP-625735); step 2, carrying out gene amplification by using the DNA of streptomyces roseoflavus strain NKZ-259 as a template, and comparing the gene obtained by amplification with the iaaM gene; and step 3, when the similarity between the amplified gene and iaaM gene in the second step is more than 80%, detecting the existence of IAA in the secondary metabolite of an NKZ-259 strain by using a TLC method or an HPLC method. The method provided by the invention has the beneficial effects that an analytical chromatograph is used to explore andobtain appropriate liquid phase conditions, a preparative chromatograph is used for separation and collection, and a pure IAA product is obtained by rapid separation. A fermentation broth is obtainedby mass fermentation in a fermentation tank and is collected directly by a preparative chromatography, which is convenient and quick.

The invention belongs to the field of microbial pesticide preparation and provides a lipopeptid-kaolin composite biocontrol agent and a preparation method and an application thereof. The composite biocontrol agent is composed of lipopeptid, exfoliated kaolin and water, wherein mass percent of lipopeptid and exfoliated kaolin is 0.1wt% and 2wt% respectively. The preparation method of the lipopeptid-kaolin composite biocontrol agent comprises the following processes: (1) preparation of a lipopeptide powder; (2) preparation of exfoliated kaolin; and (3) acquisition of the lipopeptid-kaolin composite biocontrol agent. In the lipopeptid-kaolin composite biocontrol agent, stability of lipopeptide is enhanced by the combination of exfoliated kaolin and lipopeptide, action time of lipopeptide is prolonged, control efficiency of controlling tomato bacterial wilt is improved effectively, and plant growth of tomato is promoted. By the method, problems such as high production cost of lipopeptide, low output, poor stability, short effectiveness time, restricted effective development and utilization in the prior art are solved, and effects of a tomato bacterial wilt control agent prepared from the biological composite material are improved.

The invention discloses a polyurethane cross-linked reduced graphene oxide composite conductive film and a preparation method and application thereof, the film is formed by cross-linking polyurethaneand reduced graphene oxide, and the mass fraction of polyurethane is less than or equal to 20%. The preparation method comprises the following steps: preparing a waterborne polyurethane aqueous phasesolution and a graphene oxide aqueous phase solution into a mixed solution, smearing the mixed solution on a substrate to prepare a polyurethane/graphene oxide composite film, performing heating to generate a polyurethane cross-linked graphene oxide composite film, and impregnating the polyurethane cross-linked graphene oxide composite film in a reducing agent to prepare the film. The composite conductive film provided by the invention has the advantages of the light weight, high conductivity, good corrosion resistance, ultrahigh tensile strength and toughness and the like, is a novel conductive film material, can be widely used for preparing flexible electronic devices, and has very high use value and very good application prospect. The preparation method is simple, feasible, low in cost,convenient, quick, simple, easy to operate and suitable for large-area use of special-shaped parts.

The invention relates to a simple trichoderma-straw microbial fertilizer preparation method. An active component of trichoderma-straw microbial fertilizer is a thallus of a trichoderma asperellum strain T-A158. The preparation method comprises the following preparation steps: inoculating spore suspension of the trichoderma asperellum strain T-A158 into a culture medium of a fermentation tank for fermentation to complete preparation of first-level seeds; mixing the first-level seeds with straw powder for fermentation, wherein if the surface of a fermented material is full of spores, the preparation of second-level seeds is completed; uniformly mixing the second-level seeds, the straw powder and humic acid for fermentation till the surface is full of spores, wherein the number of effective viable bacteria in a fermentation product is greater than or equal to 0.21 x 10<8> to 0.37 x 10<8> p/g, the infectious microbe rate is less than or equal to 12 to 15 percent, and the moisture content is controlled to 20 to 30 percent. By taking the waste straws (corns, rice, wheat, rapes and the like) as the fermentation raw material to prepare the trichoderma-straw efficient microbial fertilizer,the method is low in cost, easy to operate and applicable to industrial production. The simple trichoderma-straw microbial fertilizer preparation method can prevent plant soil borne diseases, enhancethe stress resistance and the disease resistance of a plant, promote growth of the plant, improve the crop quality, effectively improve the soil environment and protect the environment.

An on-water planting buoyancy box comprises a buoyancy box bottom plate, bosses are arranged on the buoyancy box bottom plate, a coaming is arranged on the edge of the buoyancy box bottom plate, suction grooves are formed between the bosses and the coaming as well as between the adjacent bosses, and water inlet holes are formed in the suction grooves; the planting buoyancy box is internally of a hollow structure, and the bottom plate, the bosses and the coaming are of an integrated structure. By adopting the buoyancy box, most vegetables are planted on the ground, rice and other herbaceous plants can be planted, lotus roots and other plants planted at the water bottom can be planted, and the limit of other on-water planting scheme is broken; the on-water planting buoyancy box is low in manufacturing price, suitable for large-area use and beneficial for solving the problem of water body eutrophication.

The invention provides integrated management equipment for an aquaculture pond. The integrated management equipment integrates oxygen supply, water supplement, disinfection and fishpond cleaning workin the culturing process especially for large-area shed household aquaculture ponds, the whole process is automatically controlled to reduce labor, dirt at the bottom of the aquaculture pond can be effectively cleaned through the unique cleaning fan design, a lot of time is saved, thus the efficiency is improved, and in addition, the equipment is low in manufacturing cost, convenient and fast to operate and suitable for large-area use.

The invention provides a method and an agent for prolonging the flowering stage of ornamental type rape flowers as well as an agent preparing method, and belongs to the field of crop cultivation. The agent is a solution prepared from indole-3-acetic acid and a solvent through mixing, wherein the concentration of indole-3-acetic acid is 100-600 mg/L. The aqueous agent has the advantages of safe use and non-toxic, and absorption of indole-3-acetic acid in the agent by rape is facilitated. Indole-3-acetic acid with the concentration of 100-600 mg/L has an inhibiting function on the growth speed of the rape flowers, so that the flowering stage of the rape flowers is prolonged, and the ornamental flowering stage is prolonged.

The invention discloses a flexible fireproof protection structure of a shock insulation rubber support. An upper flange plate and a lower flange plate are arranged between the shock insulation rubbersupport and an upper buttress and between the shock insulation rubber support and a lower buttress; the position, positioned between the upper flange plate and the lower flange plate, of the peripheryof the rubber support is filled with a flexible fireproof heat insulation material; an upper aerogel felt and a lower aerogel felt are attached to the joint of the upper flange plate and the flexiblefireproof heat insulation material and the joint of the lower flange plate and the flexible fireproof heat insulation material; and a composite flexible fireproof heat insulation layer composed of aplurality of layers of overlapped and independent flexible fireproof heat insulation layers is arranged from the outer surface between the upper aerogel felt and the lower aerogel felt to the edge ofthe upper buttress and the edge of the lower buttress and fixed through a self-drilling screw, a steel plate and a high-temperature-resistant steel wire rope. The protection structure can move along with movement of the rubber support, and therefore the rubber support is wrapped in the protection structure all the time, and the fireproof heat insulation function is achieved. In addition, the thickness of a protection layer is small, and other structures are not influenced in a building. In addition, compared with a fireproof plate, cost is low, and the flexible fireproof protection structure is suitable for large-area usage. The design of all connecting parts is unique, and construction, later-period maintenance and demounting are convenient.

The invention provides an A-level fireproof flexible ceiling film which comprises a substrate and a coating coated on the surface of the substrate, wherein a glass fiber fabric is the substrate and the coating is composed of polytetrafluoroethylene, titanium dioxide, hollow glass bead and polyvinyl alcohol. The A-level fireproof flexible ceiling film has excellent fireproof property (A-level fireproof) and high light transmittance (above 60-70%); the A-level fireproof flexible ceiling film is low in fuming volume and is capable of effectively stopping the fire spreading; the hollow glass bead is capable of promoting the fire resistance of the flexible ceiling film; due to the existence of the inner chamber of the hollow glass bead, the soundproof property and the heat-insulating property of the flexible ceiling film are excellent.

The invention provides a method for producing organic fertilizer by reutilizing liquid pig manure. The used raw material is liquid pig manure generated by flushing piggery feces in a pig farm, and the auxiliary material is a mixture of mushroom residues, rice hulls and wood dust. The technical process comprises the following steps: mixing mushroom residues, rice hulls and wood dust, cutting into strips, spraying liquid pig manure at fixed periods, and fermenting the strips for composting for 60 days while adding liquid pig manure every 5-18 days for 7 times and turning over and throwing once every 3 days. The produced organic fertilizer has an organic content of 47.86%, a total nitrogen content of 1.79%, a total phosphorus content of 1.59%, a total potassium content of 1.73%, and a total nutrient of 5.11%, and meets the agricultural industry standard NY525-2012 for organic fertilizer. The method of the invention solves the waste water treatment problem of enterprises which cleans breeding feces by flushing, reduces environmental protection cost, and generates economic benefits by producing organic fertilizer.

The invention discloses a mixing method based on floating mortar for buildings, and relates to the technical field of building materials. Mixing equipment in the second step and the third step comprises a bottom plate, supporting frames fixed to the two sides of the top of the bottom plate and a stirring barrel fixed between the tops of the supporting frames, and a main stirring shaft is rotationally arranged in the stirring barrel. According to the mixing method based on the floating mortar for the buildings, the main stirring shaft is driven by a first motor to rotate, an auxiliary stirring shaft is synchronously rotated through two gears in the engaged state, and power resources are saved while double mixing is carried out; and the angle of stirring blades can be adjusted by matching with a stirring blade adjusting mechanism arranged on the main stirring shaft, the stirring range of the floating mortar is changed, the shape of the stirring blades can be changed, the rotating speed flow difference of the floating mortar is changed through the inclined faces, mixing of the floating mortar in multiple directions is accelerated, the mixing time of the floating mortar is shortened, and meanwhile, the mixing quality is improved.

The invention relates to the technical field of building waterproofing, and discloses a water-based base layer treating agent composition, a water-based base layer treating agent and a preparation method and application of the water-based base layer treating agent. The water-based base layer treating agent composition contains two or more of emulsified asphalt, water, an SBS emulsion, a pH regulator, a defoaming agent and a thickening agent which are stored in a mixed mode or stored independently, wherein the emulsified asphalt is anionic emulsified asphalt, and the SBS emulsion is an interpenetrating polymer network emulsion of SBS and acrylate. The emulsified asphalt, the SBS emulsion, the thickening agent, the defoaming agent and the pH regulator are synergistically compounded, the formed water-based base layer treating agent can be effectively integrated with the asphalt waterproof coiled material, the bonding strength between the asphalt waterproof coiled material and the water-based base layer treating agent is enhanced, the current standard requirements can be met after long-term water soaking, and the water channeling possibility is effectively reduced.

The invention discloses a double-sprayer stone-like paint coating spray gun which comprises a gun body handle and a gun head. The gun head comprises two sprayers which are integrally formed. The gun body handle is provided with an air inlet joint, a trigger assembly and an air valve. The air inlet joint is connected to an external air compressor. The trigger assembly is used for controlling the air valve to be opened and closed. A first output port of the air valve is connected with the gun body. The gun body is provided with two sets of feeding joints. The outlet ends, corresponding to the feeding joints, of the gun body are connected with the sprayers separately. The sprayers are both internally provided with air cylinders, and piston rods are arranged in the corresponding air cylinders. Coating pins are arranged at the front ends of the piston rods. Air inlet holes are formed in the outer side walls of the coating pins. Air outlet holes are formed in the first end faces of the coating pins. The first end faces of the coating pins are sleeved with air caps. A second output port of the air valve is connected with a double-outlet leather hose joint, and two outlets of the double-outlet leather hose joint are connected to the air cylinders of the corresponding sprayers through leather hoses. By means of the double-sprayer stone-like paint coating spray gun, the granite concave-convex effect can be achieved by spraying, using is convenient and adaptability is wide.