41results about How to "Guaranteed to be effective for a long time" patented technology

The invention discloses a borrowed-soil remediation method for heavy metal contaminated soil in an orchard. The method comprises the steps of trench digging operation, blocking operation, soil covering operation and laying of an irrigation system, wherein the blocking operation is divided into blocking in the circumferential direction and blocking in the vertical direction, and the blocking operation can effectively avoid contact of borrowed-soil new soil with the original contaminated soil and prevent secondary pollution to the borrowed-soil uncontaminated new soil caused by natural or man-made processes such as natural rainfall leaching flushing, seepage, irrigation, underground water surging. The method provided by the invention adopts a manner of digging trenches to remediate the contaminated soil in the orchard, so that the engineering amount of covering of borrowed soil can be reduced, a large amount of excavation and transportation costs are saved, and the method is suitable forremediation of the heavy metal contaminated soil in the orchard; and meanwhile, the irrigation system is laid on the surface of the borrowed soil to effectively induce growth of roots of fruit treesto shallow soil, so that the depth requirement of the borrowed soil is reduced, and the costs of covering of the borrowed soil are effectively reduced.

The invention relates to CuCo2S4 active substance diluent for a super-capacitor and a preparation method thereof. The preparation method comprises the following steps: putting copper source and cobalt source into glycerol in the active substance synthesis process, fast stirring, adding the sulfur source dissolved by using deionized water after the copper source and the cobalt source are completely dissolved, transferring to a high-voltage reaction kettle to perform the solve thermal reaction after the sufficient stirring; pouring out the mixed solution containing nanocrystal after the reaction is finished, diluting and centrifuging through the deionized water, drying to obtain the active substance-CuCo2S4 nanocrystal; and putting the CuCo2S4 nanocrystal into an ethanol solvent, taking the polyvinylpyrrolidone as the dispersing agent, namely acquiring the active substance diluent. The method disclosed by the invention has the advantages that the defect of the prior art can be overcome, the active substance with high specific ratio capacitance activity, high dispersity, good stability and easy industrial manufacturing for the super-capacitor can be acquired.

The invention relates to a surface treatment method for improving the water resistance, and a treatment solution thereof. The method and the treatment solution are suitable for glass, ceramic, metal and other special substrates. The method comprises the following steps: A) deoiling: removing oil stains and dusts on the surface of a printing stock; B) activating: coating the surface of the printingstock with an activating solution; C) knifing: scraping the activating solution on the surface of the printing stock with a scraper to form an extremely thin water film; and D) drying: drying the activating solution on the surface of the printing stock. The method overcomes the defects of easy shedding and poor water boiling resistance of decorating pictures and texts on the surface of glass, ceramic, metal and other special substrates in packaging printing, and also can be applied to the fields of electronic packaging and composite materials.

The invention provides a graphite sealing material prepared from the following raw materials: 30 to 50 parts by weight of graphite, 14 to 75 parts by weight of rubber, 10 to 100 parts by weight of non-asbestos fibers, 5 to 20 parts by weight of a filler, and a rubber auxiliary agent, wherein the amount of the rubber auxiliary agent is 4% to 23% of the amount of the rubber. The graphite sealing material provided by the invention is a non-asbestos graphite sealing material, does not contain an asbestos ingredient; with use of an outstanding characteristic of the improved high temperature resistant level after graphite is combined with the rubber, with supplement of a certain proportion of the graphite and the rubber, and with addition of a specific combination and proportion of other auxiliary agents, the high temperature resistant ability of the sealing material is effectively improved, the use durability of the sealing material in a high temperature working environment is enhanced, and long-term effective sealing is ensured.

The invention discloses a side drainage type directly-embedded part. The directly-embedded part comprises a straight pipe which is of a cylinder structure, a spigot and socket pipe is fixedly arrangedat the middle position in the straight pipe in the axial direction and comprises a horn mouth section and a straight pipe section, the outer ring of the thicker end of the horn mouth section is fixedly connected to the inner wall of the straight pipe, one end of the straight pipe section is fixedly connected to the thinner end of the horn mouth section, a spigot and socket ring groove is formed between the outer circle of the straight pipe section and the inner wall of the straight pipe, and pre-embedded positioning structures are arranged on the outer circumference and the two end parts of the straight pipe. The invention further discloses a construction method for the side drainage type directly-embedded part. According to the directly-embedded part and the construction method thereof,the usage amount of waterproof materials, backfilling materials and drainage branch pipe fittings can be decreased, the wall penetrating and chiseling and hole plugging operation can be reduced, the structural strength quality of a wall body can be improved, the construction difficulty and the construction cost can be lowered, the drainage safety can be greatly improved, and the pipeline blockageprobability can be lowered.

The invention relates to the technical field of highway construction, in particular to an anti-ponding reinforced roadbed pavement. The structure comprises a water-permeable asphalt pavement layer, avolcanic ash water-permeable reinforced roadbed layer, an anti-seepage geotextile water-resisting layer and a foundation stone layer which are sequentially arranged from top to bottom; permeable pipesare arranged on the upper portion of the anti-seepage geotextile water-resisting layer at equal intervals, a plurality of permeable holes are formed in the permeable pipes, and pipe heads of the permeable pipes are connected with water conveying pipes; the ends, not connected with the permeable pipes, of the water conveying pipes are connected under the water surface, and the water conveying pipes located at the permeable pipe ends are higher than the water surface. According to the reinforced roadbed pavement, accumulated water on the road surface can be reduced, and infiltrated water can be smoothly discharged out of the roadbed, so that the safety of the roadbed and the road surface is guaranteed, and the service lives of the roadbed and the road surface are prolonged.

The invention discloses an address allocation method. A current slave device executes the following steps of receiving an active addressing instruction sent by a master device through a bus network, the active addressing instruction comprising at least one original address; if the local storage medium does not contain the allocated address, receiving a reply instruction which is sent by the calibration slave equipment through the bus network and contains the allocated address within the timeout period; determining at least one to-be-allocated address according to the at least one original address and the allocated address; and determining a target address from the at least one to-be-allocated address, and storing the target address as an allocated address in a local storage medium. According to the address allocation method provided by the invention, the target address is automatically determined without adding dialing equipment, cost is effectively reduced, the determination process is simple and efficient, and the address allocation method is suitable for all to-be-allocated slave equipment and has good compatibility.

The invention provides a gear oil for an oil pumping unit in an oilfield and a preparation method thereof. The gear oil is prepared from the following components in parts by mass: 8.0% to 11.0% of 500N basic oil, 75.0% to 85.0% of PAO40 basic oil, 5.0% to 10.0% of alkyl naphthalene basic oil, 1.0% to 3.0% of composite agent, 0.5% to 0.8% of antioxidant, 0.1% to 0.4% of pour point depressant, 0.1%to 0.4% of anti-emulsifier, and 0.01% to 0.02% of defoamer. The gear oil has the advantages that by adopting the pulse combination, the components can be more uniformly mixed; the basic oil adopts thesynthetic oil, so that the pour point of the gear oil is lower than -39 DEG C; because the self viscosity of the synthetic oil is higher, the problem of decreasing of viscosity of the gear oil due toshearing function is solved, and the anti-shearing function is realized.

Provided is a coating device for granular drugs.The coating device comprises a barrel, a piston, a crushing and stirring device and a drug-coating nozzle; a first end of the barrel is the open end, and a second end of the barrel is the closed end; the piston is arranged in the barrel and comprises a piston head, a piston rod and a handle; the second end of the barrel is provided with a handle hole allowing the handle to pass through, the handle extends to the outer side of the second end of the barrel from the handle hole and is latched at the second end of he barrel, and a spring is in a compression state; the crushing and stirring device or the drug-coating nozzle is detachably arranged at the first end of the barrel, the crushing and stirring device comprises a motor, a connecting rod and a tool bit, and the drug-coating nozzle forms a drug outlet; a cutoff device is arranged at the drug outlet and transversely inserted into the upper portion of the drug outlet, a spring is arranged between the upper end of the cutoff device and the upper side of the drug outlet, and the lower end of the cutoff device is inserted into a transverse groove formed in the upper portion of the drug outlet in a sealed mode.

The invention discloses a construction technology with a wood surface coated with wooden paint. Large white powder, rosin water and boiled tung oil are mixed according to the weight ratio of 12:8:1and stirred into fitness oil powder, cotton silks are dipped in the oil powder, the oil powder is evenly sprayed on the wood surface, and is wiped into wood bristle holes, linen or the cotton silks are used for wiping, remaining powder at line corners should be removed in time, and number 1 abrasive paper is used for carrying light polishing along with wood grains after the oil powder is dried. Gypsum powder and boiled tung oil are mixed according to the weight ratio of 20:7, pigments are added, and gypsum color putty is formed in a mixing mode. Lead oil, ready mixed paint, gasoline, lac varnish, varnish and the like are mixed and stirred, the color is adjusted to be identical to the color of a sample plate, and spraying is carried out along with the wood grains from outside to inside, from left to right and from top to bottom. The varnishing step is identical to the oil color painting step. The specific steps are adopted in the technology, the paint can be immersed into wood, the paint is kept effective for a long time, corrosion to the wood is reduced, and the service life is prolonged.

The invention relates to the field of home furnishing, in particular to a circulative humidifier capable of removing formaldehyde. A suction fan and an exhaust fan are arranged inside a machine body, a partition board is arranged in the upper portion of the machine body, a water tank is arranged in the middle of the machine body, through the water tank and the partition board, an airflow channel in the machine body is made to be in an 'S' shape, the suction fan is connected with a deduster and absorbs the formaldehyde through an activated carbon filter core, the formaldehyde is removed further through the photocatalysis, air is humidified through water-absorbing fiber bars, and the water content of the water-absorbing fiber bars is guaranteed through a gear pump and a water circulation system matched with the gear pump. The total device is capable of removing pollutants in the air with the formaldehyde as the majority, and effective humidification can be achieved.

The invention discloses a bridge damping expansion joint. The bridge damping expansion joint comprises a square-groove-shaped joint body and a cushioning and damping structure located in the joint body, the cushioning and damping structure comprises a right corrugated rack and a left corrugated rack which are located on two sides in the joint body, the right corrugated rack and the left corrugatedrack have the same shape and structure and are arranged on a same horizontal plane in a staggered mode, upper surfaces of the corrugated racks are flush with a top surface of a bridge body, and the corrugated racks are provided with steel bar rods embedded in the bridge body; and convex parts and concave parts arranged at intervals are arranged at the tops of the corrugated racks, the front endsof the convex parts and the tail ends of the concave parts are all in a circular arc shape, and paralleled plates arranged in parallel with the convex parts are arranged under the concave parts. According to the bridge damping expansion joint, through the following movement of a damper, a stable state is kept when the joint body is contracted and stretched because of cold and hot effects, the damper is different from a regular single-type spring damping, when the distance of the joint body is changed because of temperature, the relative stability of the self length of spring can be kept, and the damping performance of the damper cannot be influenced due to long-time stretching and contraction, and the long time effectiveness of the cushioning and damping structure is guaranteed.

The invention discloses fault current limiter monitoring equipment. The fault current limiter monitoring equipment comprises an equipment end and a remote control end, wherein the equipment end comprises a master controller, a signal acquisition module, a wireless emission module, a power supply module and a human-computer interaction module, and the remote control end comprises an AC / DC power module a wireless receiving module and a laptop computer. Aiming at the defect of current fault limiter monitoring equipment, the fault current limiter monitoring equipment has the characteristics of high automation, comprehensive information monitoring, high efficiency, wireless far-end monitoring and the like, voltage, current, temperature, humidity and noise monitoring and far-end data viewing ofa fault current limiter can be achieved, various warning signals are provided, on-line and real-time monitoring is achieved, the fault rate of the fault current limiter is reduced, and the running reliability of a power grid is provided.

The invention relates to the field of home furnishing, in particular to an air purifier. An upper baffle plate and a lower baffle plate are arranged in a machine body, and therefore an S-shaped air circulation channel is established in the machine body. A suction fan is arranged at the lower inlet of the air circulation channel and connected with a dust remover, and a separable dust collector is arranged under the suction fan and the dust remover. An active carbon filter-core is arranged at the position close to the dust remover and connected with the lower baffle plate and the bottom of the machine body, and a plurality of photocatalytic pipelines are arranged between the lower baffle plate and the bottom of the machine body. The photocatalytic pipelines are transparent and are arranged in multiple rows and multiple columns, an ultraviolet light source is arranged between every two rows. A negative-ion generator is arranged between the upper baffle plate and the lower baffle plate and in point connection with a circuit board arranged on the inner wall of the machine body, and an exhaust fan is arranged at the outlet end of a pipeline at the upper end of the air circulation channel. The air purifier can remove pollution gases mainly containing formaldehyde in air, removes dust and odor, sterilizes air, and ensures the quality of indoor air.

The invention relates to the field of porcelain repair, in particular to a matching repair technique for porcelain. The technique comprises the following steps: 1) a blind hole is formed in a green body of a porcelain wound, and a fixing rod is mounted by punching a hole; 2) a metal mesh in a shape of the porcelain wound is clipped and winds around the fixing rod, and a relatively fixed bracket isformed; 3) molding is performed on one side of the porcelain surface by a shaping material, and a shaping mold is formed to serve as a liner; 4) the fixed bracket is wrapped with a tissue material, and then scraping is performed to repair the porcelain wound; 5) after scraping, the shaping mold is taken down, and a repair part is polished to be smooth after the tissue material is hardened completely. Combination of the bracket and the tissue material is like the structure of reinforced concrete, repair strength is improved greatly, the tissue material has high hardness and stability after being hardened, a plurality of structures similar to tenon and mortise can be formed after the tissue material in the blind hole is hardened, so that connecting strength is improved greatly, and damage to the green body is quite small by the form of the blind hole.

The invention relates to the field of power supply monitoring devices, and especially relates to a power grid grounding fault judging device. The power grid grounding fault judging device prevents misoperation by adopting technologies such as using a leakage current to control actions, improving sampling sensitivity, adopting electromagnetic shielding, and setting a threshold to obstruct interference. The power grid grounding fault judging device is provided with a special power supply circuit and an overvoltage protection circuit for improving adaptive capability of the judging device; and two optional functions of alarm and action are set for facilitating electricity utilization customers. The power grid grounding fault judging device is mainly cooperated with a general monitor, is applied to a neutral point ungrounded system, and can be applied to a grounding system independently for judging grounding fault positions. Main electronic circuits such as a special power supply, an overvoltage protection circuit, a sampling device, an alarm device, an action device, and D1, D2, D3 backflow isolation devices are arranged in a special shell and packaged into a leak current sampling module 3DCsquare by using a special glue to form an element which is reliable and durable, and the element can be used for forming various kinds of grounding fault judging devices.

The invention discloses a wood surface varnishing technology. The wood surface varnishing technology comprises the following steps of: firstly scraping dust, oil stains, spots, glue marks and the likeon the wood surface by using a scraping knife, clearing burrs on the wood surface, and polishing the wood surface along wood grains by using above-No.1 abrasive paper till the wood surface is smooth;mixing and stirring big white powder, rosin water, boiled tung oil and the like to form color oil meal, dipping cotton staple in the oil meal, repeatedly applying the oil meal to the wood surface, and polishing the wood surface along the wood grains by using No.1 abrasive paper after the oil meal is dried completely; preparing putty by using gypsum powder, the boiled tung oil, water and the like,then adding pigment to form oil color putty, and polishing the wood surface along the wood grains by using the No.1 abrasive paper after the oil color putty is dried completely; mixing lead oil / or ready mixed paint, gasoline, gloss oil, clean oil and the like, sieving with a bamboo basket with a square bottom and a round mouth, and brushing along the wood grains; and varnishing three times undernormal conditions, wherein the varnishing method is the same as the method of brushing the oil color. Varnish can be more evenly brushed on the wood surface according to the wood surface varnishing technology; and the wood surface varnishing technology avoids the conditions that the varnish falls off, and the varnish brushing is uneven.

The invention relates to the field of house living, in particular to an efficient negative ion air purifier. An upper partition plate and a lower partition plate are ranged in a purifier body, so that an S-shaped air circulation channel is built in the purifier body. An air suction fan is arranged in an inlet in the lower portion of the air circulation channel and connected with a dust remover, a dust collector capable of being pulled away is arranged below the air suction fan and the dust remover, an activated carbon filter element is arranged at the position close to the dust remover and connected with the lower partition plate and the bottom of the purifier body, multiple transparent photocatalyst pipelines are further arranged between the lower partition plate and the bottom of the purifier body and arranged in multiple rows and columns, ultraviolet sources are arranged between the rows of the photocatalyst pipelines, a negative ion generator is arranged between the upper partition plate and the lower partition plate and is in point connection with a circuit board arranged on the inner wall of the purifier body, an exhaust fan is arranged at the pipeline outlet end of the upper end of the air circulation channel, and a formaldehyde test device is arranged in an outlet. Pollution gas, mainly containing formaldehyde, in air can be removed, the dust removal, deodorization and sterilization functions are achieved, and indoor air quality is guaranteed.

The invention discloses a networking method based on power line carrier communication, which includes sending a meter reading frame in the form of a flood frame to a target node. When the upper limit is reached, the meter reading frame is forwarded; if the non-target address and the meter reading frame has been forwarded, it is judged whether it is the parent node according to the signal-to-noise ratio and signal strength, and if so, the parent node address, signal-to-noise ratio and Signal strength; if the signal-to-noise ratio and signal strength are higher than the threshold X1 at the same time, forward the meter reading frame including its own address, signal strength, signal-to-noise ratio and forwarding level; if the target node is the final address, according to the level comparison, Judge the better path and level, and select the lower level when the same signal strength and signal-to-noise ratio intervals appear. The invention aims at the nodes in the large-scale power line communication network, can realize fast copying, builds the network at any time, and has the advantages of high network adjustment efficiency.

The invention relates to a sludge geology release hole sand filling device and method. A conveying pipeline is connected with a water outlet of a sand suction pump, and the sand suction pump is suspended in a box by an electric block. Medium coarse sand is loaded into the box body from the steel slope side by a loader, and water is pumped into the box from a water inlet; the electric hoist is adjusted to sink the sand suction pump into the water, sinking continues while the sand suction pump is started, and the mixture of medium coarse sand and water is transported to a long auger driller through a conveying pipe; the mixture is fed into a release hole by a drill stem, and the release hole is filled along with lifting of the long auger stem. The sludge geology release hole sand filling method ensures that the release hole does not fail during construction of a pipe pile and after construction is completed, reduces the construction cost and increases the construction speed; and by meansof cooperation with the long auger driller, it can be ensured that a release channel of excess pore water is effective for a long time during pipe pile construction and after construction.

The invention provides a long-acting polarization probe with pipeline cathodic protection. The long-acting polarization probe is characterized in that an inner cavity (2) is sleeved at the inner lower middle part of an outer cavity (1) and extends out of the outer cavity (1); an ion-conductive polymer (3) is fixed in the center of the bottom of the inner cavity (2); an inner cover (8) is arranged on the inner cavity (2), and an outer cover (7) is arranged on the outer cavity (1); a self-corrosion test block (5) is fixed outside the outer cover (7), and the outer cover (7) is in fit sealing with the outer cover (1) through threads and a gasket; a polarization test block (4) and the inner cover (8) are in fit sealing with the inner cavity (2); a copper bar (9) is inserted into the inner cavity (2) from the top and sealed on the inner cover (8); a cable (6) enters the upper part of the outer cavity (1) through the outer cover (7); saturated copper-bath (13) is filled in the inner cavity (2). By adopting the long-acting polarization probe with the pipeline cathodic protection, the permeation and dropping of a reference electrode solution can be avoided, the blocking of a semipermeable membrane can be avoided, and an electrode can be prevented from corrosion; the service life of the long-acting polarization probe is long; the polarization test block can be tightly contacted with the soil.

The invention relates to the field of targeted drugs designed for inflammation, in particular to a targeted drug delivery system and devicefor inflammation treating drugs in digestive system. Base sequences are respectively connected to neutrophils and an inflammation treating drug, and the neutrophils can be injected into an animal body when in use, and the inflammation treating drug is applied to extracellular inflammation, so that the problems are avoided that the inflammation drug is damaged to other organs and the inflammation drug is consumed in vivo when the inflammation treating drug is directly applied to the animal body. Especially, the system has the good treatment effect on inflammation of digestive systems, such as esophagus, gastrointestinal organs and the like. When the system A and the system B are used for treatment, a drug A can be directly injected into the animal body along the vein, the system B is administered through a digestive system inflammation targeted inspection and repair device provided by the invention, the retention state of the drug on the inner wall of the digestive system organ can be further observed after administration, and image support is provided for examination and positioning of inflammation.

The invention provides a surface coating composition and a preparation method thereof; the components of the composition comprises polyvinyl butyral, alcohol, methyl substituted benzene, rosin, zinc phosphate, oxalic acid and fluorine-silicon polymers; the alcohol is alcohol having 2-4 C; the weight ratio of the components is 1:5-8:2-4:0.5-1.5:0.5-1:0.05-0.1:0.5-1.5; the method comprises: mixing,emulsifying and grinding the polyvinyl butyral, alcohol, methyl substituted benzene, rosin, zinc phosphate, oxalic acid and fluorine-silicon polymers; the surface coating composition can be applied to surface of metal members such as iron tower and other electricity equipment as permanent corrosion resistant coating material.

The invention discloses a bridge damping expansion joint. The bridge damping expansion joint comprises a square-groove-shaped joint body and a cushioning and damping structure located in the joint body, the cushioning and damping structure comprises a right corrugated rack and a left corrugated rack which are located on two sides in the joint body, the right corrugated rack and the left corrugatedrack have the same shape and structure and are arranged on a same horizontal plane in a staggered mode, upper surfaces of the corrugated racks are flush with a top surface of a bridge body, and the corrugated racks are provided with steel bar rods embedded in the bridge body; and convex parts and concave parts arranged at intervals are arranged at the tops of the corrugated racks, the front endsof the convex parts and the tail ends of the concave parts are all in a circular arc shape, and paralleled plates arranged in parallel with the convex parts are arranged under the concave parts. According to the bridge damping expansion joint, through the following movement of a damper, a stable state is kept when the joint body is contracted and stretched because of cold and hot effects, the damper is different from a regular single-type spring damping, when the distance of the joint body is changed because of temperature, the relative stability of the self length of spring can be kept, and the damping performance of the damper cannot be influenced due to long-time stretching and contraction, and the long time effectiveness of the cushioning and damping structure is guaranteed.

The invention relates to the field of marine signal devices. The invention discloses a smoke signal device for a safety ship. The problem that water easily enters the smoke signal device before or during use is solved; therefore, the problem of poor smoke signal effect is solved. According to the technical scheme, the device comprises a smoke signal mechanism, wherein the smoke signal mechanism comprises a smoke generation box and a base; the smoke generating box comprises an outer box and an inner box arranged in the outer box in a sleeved mode; the side wall of the inner box and the side wall of the outer box are respectively provided with at least one smoke scattering hole in a penetrating mode, the smoke scattering holes of the inner box and the smoke scattering holes of the outer boxare distributed in a staggered mode, a rotating motor used for controlling the relative positions of the inner box and the outer box is arranged between the inner box and the outer box, and an igniteris arranged in the inner box. The base is a floating seat capable of supporting the smoke generation box and the base in water, so that the possibility of contact between smoke medicine and water isgreatly reduced, and the effect of smoothly sending out smoke signals is fully guaranteed.

The invention discloses a traditional Chinese medicinal composition for debilitated constitution cold and a preparation method of the traditional Chinese medicinal composition. The traditional Chinesemedicinal composition for the debilitated constitution cold of the pet cats is prepared from the following raw materials in parts by mass: 100 to 130 parts of benzoin leaves, 20 to 30 parts of polyporus polysaccharide, 2 to 5 parts of taurine, 1 to 3 parts of flos chrysanthemi, 5 to 10 parts of liquorice root, 20 to 30 parts of radix isatidis, 20 to 50 parts of herba houttuyniae, 10 to 30 parts of spica prunellae and 10 to 25 parts of rhodiola. According to the traditional Chinese medicinal composition for the debilitated constitution cold and the preparation method of the traditional Chinesemedicinal composition, benzoin is a common herbal medicine for treating cold of wild animals; compared with components in an existing medicine, the targeted added benzoin leaves are more suitable forthe pet cats; on the one hand, the benzoin is favorably absorbed by the pet cats; on the other hand, the efficacy of the benzoin is more suitable for the constitution of the animals; by adding the taurine, the immunity of the pet cats can be quickly improved, immunological barrier is formed in pet cat bodies, and the damage of the cold to the pet cat bodies is weakened; meanwhile, cold virus is resisted by the autoimmunity of the pet cats, so that the medicine resistance can be effectively avoided and long-term effect of the cold medicine is ensured.