51results about How to "Single performance solution" patented technology

The invention discloses an alternate vibratory subsoiling and fertilizing all-in-one machine, which comprises a vibratory subsoiling device, a depth controller, a fertilizing device and a traction device, which are arranged on a rack; the traction device comprises a hanging support, the hanging support is arranged on the middle part of the front end part of the rack, a subsoiler of the vibratory subsoiling device comprises a half subsoiler, a full subsoiler and an alternate vibration generating device, the alternate vibration generating device comprises a plurality of groups of crank necks arranged on a rotating shaft at intervals, the back side of the full subsoiler is provided with a vertical fertilizer discharge pipe, the fertilizing device comprises a fertilizer box, a fertilizer outlet of the fertilizer box is connected with an inlet of the fertilizer discharge pipe through a hose, the depth controller is depth-adjustable depth-limiting wheels arranged on two sides of the rack, and two sides of the rack behind the depth-limiting wheels are provided with pressing wheels arranged at the hindmost part by virtue of a pull rod respectively. The all-in-one machine disclosed by the invention can be matched with a large / middle-sized tractor for use, dry land vibration subsoiling operation can be carried out, the production efficiency is high, the subsoiling effect is good, and the operation cost is low.

The invention discloses a multi-functional portable surface and underwater radiation pollution detector. The multi-functional portable surface and underwater radiation pollution detector comprises a probe and a host machine connected with each other through a communication interface; the probe comprises a second controller, a detector and a signal processing circuit; the signal processing circuit converts pulse signals outputted by the detector into voltage signals and outputs the voltage signals to the second controller; type information of the detector is stored in the second controller; the host machine includes a first controller and a high voltage module; the first controller acquires the data of the second controller and judges the type of the detector; if the detector is a non-semiconductor detector, the first controller controls the high voltage module according to the type of the detector to make the high voltage module provide a corresponding high-voltage power source to the detector; and the first controller carries out analysis according to the data of the second controller to realize pollution detection. The probe and the host machine are connected with each other through the communication interface, so that a user can replace corresponding types of probes according to detection needs, and therefore, object surface and underwater radiation pollution can be monitored, and the problem of the monotonicity of the performance of a radiation monitoring instrument can be solved.

The invention provides a noctilucent protection film capable of fitting with an arc edge. The noctilucent protection film comprises a stripping layer, an adhesive using layer composited on the stripping layer, a noctilucent layer composited on the adhesive using layer, a base material using layer composited on the noctilucent layer, a UV hardening layer composited on the base material using layer and a protection film layer composited on the UV hardening layer, and the UV hardening layer is made from a material comprising acrylate prepolymer resin, free radial curing monomer and a photoinitiator. The UV hardening layer containing acrylate prepolymer and the noctilucent layer are adopted, so that fitting effect of the protection film can be well guaranteed, the protection film is less prone to edge rising, and noctilucent patterns are formed; experimental results show that hardness of the protection film is 3-4 H, stretching force is 13-30 gf / 25mm, stripping force is 8-20 gf / 25mm, light transmittance is greater than or equal to 94%, and haze is less than 1%.

The invention relates to the technical field of pour point depressants and particularly relates to the technical field of a diesel oil pour point depressant. The diesel oil pour point depressant is prepared from the following raw materials in parts by weight: 40-60 parts of high polymethacrylate, 20-30 parts of polyethylene vinyl acetate, 30-40 parts of polyethylene glycol, 10-20 parts of alkyl glycoside and 15-25 parts of sodium polyaspartate. According to the diesel oil pour point depressant disclosed by the invention, the pour point depression effect is remarkably improved, the cold filter plugging point and pour point of all diesel oil can be effectively lowered, particularly the sensitivity to high-wax-content and narrow-fraction diesel oil is relatively good, the flowing property of the high-wax-content and narrow-fraction diesel oil is better improved under low-temperature conditions, the diesel oil pour point depressant is environment-friendly and has an excellent market value, and the problems of the existing diesel oil pour point depressants in China petrochemical industry that the pertinence is high, the performance is single and the broad-spectrum performance is poor are solved.

The invention discloses an organic composite heat stabilizer and a preparation method thereof. The organic composite heat stabilizer comprises the following components in weight percentage: 30-65% of uracil derivative-based zinc salt, 5-30% of diketone compound, 10-40% of organic hydrotalcite and 2-15% of polyhydric stearate. According to the preparation method of the organic composite heat stabilizer, in the above formula ratio, the uracil derivative-based zinc salt, the diketone compound, the organic hydrotalcite and the polyhydric stearate are mixed up at a high speed at 60-85 DEG C, and then the obtained mixture is added into a single screw extruder to be cohered and extruded at 60-85 DEG C. After that, the mixture is cooled by air, and diced as 2-3mm master batches. According to the invention, the synergistic effect of all the above components is realized, and the initial colorability of the PVC is effectively improved. Meanwhile, the zinc-firing phenomenon and the environment-friendliness of conventional calcium-zinc stabilizers are improved.

The invention discloses a dry and wet double-purpose stirring ball mill. The dry and wet double-purpose stirring ball mill comprises a stirring ball mill device and a dry material feeding device, wherein the stirring ball mill device comprises a stirring barrel and a stirring ball mill mechanism; a dry material feeding opening is arranged on the a stirring barrel over, and a dry material discharging opening is formed in the bottom of the stirring barrel; a slurry flowing-in pipe and a slurry flowing-out pipe are arranged on the side wall of the stirring barrel; the stirring ball mill mechanism comprises a driving motor, a stirring shaft, a first helical belt and a second helical belt; the first helical belt is wound on the stirring shaft and is fixed to the stirring shaft into a whole, and the first helical belt is sleeved with the second helical belt; the second helical belt is connected with the stirring shaft through a connecting stick, the first helical belt is a left helical belt, and the second helical belt is a right helical belt; the lower end of the stirring shaft penetrates into the barrel over, and a scraper blade is fixed to the stirring shaft; and the first helical belt and the second helical belt are both located in the stirring barrel. The shearing, friction and grinding efficiency needed by the materials is strengthened, the aim of homogenizing crushing of the materials is achieved, the crushing efficiency is high, and dry and wet materials can be crushed.

The invention provides a tertiary ball mill and a tertiary ball-milling system, and belongs to the technical field of grinding of mining mechanical equipment. The tertiary ball mill comprises a base bracket and three barrel bodies which are separately a crushing barrel body, a coarse grinding barrel body and a grinding barrel body; two adjacent barrel bodies communicate with each other through a hollow conveying pipeline; an inverse spiral blade is arranged inside the hollow conveying pipeline; a plurality of primary steel balls are arranged inside the crushing barrel body; a plurality of secondary steel balls are arranged inside the coarse grinding barrel body; and a plurality of grinding rods are arranged inside the grinding barrel body. The tertiary ball-milling system comprises a feeding conveying device, a material collecting device and the tertiary ball mill. The tertiary ball mill realizes a common continuous working process of an assembly line from crushing, coarse grinding and fine grinding, so that production efficiency is greatly improved, and the single action problem of the ball mill is solved; and the tertiary ball-milling system realizes whole assembly line production of feeding, grinding and discharging, so that production efficiency is improved.

The invention provides an air purification device which comprises a box body; and an air flue, a dust box, a high-pressure centrifugal blower, a high-pressure nozzle, and a motor are disposed in the box body. An air inlet is disposed at one end of the air flue, and an air outlet is disposed at the other end. An air-in fan is disposed at the air inlet at one end of the air flue, and an air-out fan is disposed at the air outlet at the other end. The air-in fan and the air-out fan are connected with the motor, and the air volume is 200 m3 / h. The high-pressure centrifugal blower and the high-pressure nozzle are connected with the motor. An HEPA filter screen, a static filter screen, a protein purifying unit and an active carbon filter screen are disposed in the air flue. The device of the invention is advanced in technical principle, strong in purification effect, and strong in practicality; the fiber filter screen, the static filter screen, the protein purifying unit and the active carbon filter screen are disposed in the air flue; with respect to substances of carbon monoxide, formaldehyde, benzene series, ammonia, TVOC, and the like, particles with a size of less than 0.3 microns can be filtered; the device is suitable for various places with requirements for air environment quality, such as homes, offices, production workshops, and the like.

The invention provides an integrated filtering water-purifying system based on a modularized separating component and belongs to the technical field of water purification. The system comprises a conveying part, a filtering water purifier, an online monitoring part and a PLC control part and is characterized in that the filtering water purifier, the online monitoring part and the PLC control part are connected into a normal running loop and a filtering water-purifying module regenerating loop through the conveying part; the separating component formed by various modularized parts is arranged in the filtering water purifier. According to the integrated filtering water-purifying system based on the modularized separating component, the water purifying modules with different filtering water-purifying features are assembled in one filtering water purifier through the modularizing treatment for the separating component, so that the miniaturization of multilayer filtering water-purifying function is realized and the problems of single property, insufficient water quality adaptability, frequency and inconvenience in exchanging filtering water-purifying material, and the like, of the single filtering water-purifying material are solved.

The invention provides a product containing plant exosomes and resveratrol. The product contains plant exosomes and resveratrol; and the plant exosomes contains red grape exosomes, pomegranate exosomes and carrot exosomes. The product also contains grape fruit powder, pomegranate concentrated powder, yeast beta-glucan, a yeast extract, cranberry concentrated juice, elderberry concentrated juice, astaxanthin, olive powder, momordica grosvenori concentrated juice, xanthan gum, potassium sorbate and water. A preparation method of the product is also provided. The product is safe, effective and better in antioxidant effect.

The invention provides a smart home window control system. The smart home window control system comprises a wind and rain sensor module, a temperature sensor module, a controller module, a first motor control module, a second motor control module, a smart home master control module, a wireless transceiver module, a power supply module and a smart home terminal controller. The rain and wind sensor can sense rainfall and wind strength outside a window to realize braking opening and closing of the window, or a command is input through the smart home terminal controller to remotely control the motor to rotate so as to control the window and the curtain to be opened and closed, then the temperature sensor transmits indoor and outdoor temperatures to a user, the user remotely controls the window and the curtain to be opened and closed as required, and as the same smart home master controller module is adopted, the control is more convenient, and the problems of single window performance and inconvenient control are solved.

The invention discloses a composite coating of a metal base material. The composite coating is formed by compounding a bottom layer and a surface layer which sequentially coat the metal base material;the bottom layer is formed by wrapping a metal wire, metal powder and a metal skin wrapped wire; the surface layer is composed of ceramic powder and a binder; and the binder serves as a silicate binder, a phosphate binder or a sol binder. According to the composite coating of the metal base material and a construction method of the composite coating, the corrosion resistance and wear resistance of the metal coating and the compact lubrication characteristic of the ceramic coating are combined, so that the effect of 1+1 greater than 2 is achieved, the metal coating and the metal base materialare easier to combine, the bonding strength is greater than 60Mpa, the defect point pores or surface non-smoothness is made up by the ceramic coating, the obtained coating is high-temperature-resistant, corrosion-resistant, wear-resistant, high in lubrication and long in service life by the whole composite technology, and the temperature resistance of the composite coating is greater than 1600 DEGC.

The invention discloses an epoxy resin composite material for powder coating. The epoxy resin composite material is characterized by comprising the following raw materials in parts by weight: 45-55 parts of dicyclopentadiene phenol epoxy resins, 1.2-3.1 parts of zinc naphthenate, 1-3 parts of low-calcium coal ash, 2-3 parts of tungsten disulfide, 6-8 parts of white factice, 4-7 parts of triethylene tetramine, 20-30 parts of phenyl glycidyl ether, 8-12 parts of phosphoric acid tricresol, 10-13 parts of dicyclopentadiene, 11-14 parts of isobutanol, 2.1-3.2 parts of trimethylolpropane, 9-11 parts of diphenylmethane diisocyanate, 8-13 parts of propylene glycol monomethyl ether acetic ester and 4-7 parts of auxiliaries. A preparation process of the epoxy resin composite material is easy and convenient to operate, and the problem of unique performance of the existing traditional epoxy resin is effectively solved; the epoxy resin can be used for preparing a powder coating with low lustrousness, and is high in application property, high in leveling property of the coating, high in curing speed, high in extinction performance of a paint film and high in yellow degeneration resistance.

The invention belongs to the field of ornament processing and relates to a method for processing a polished or cut arc-bottom decorative accessory with cracks. The method comprises the following steps of dispensing color gel and filling gel into a groove of a silica gel mold, putting the silica gel mold with the color gel and the filling gel into an oven, baking until the gel is drawn into filaments to obtain a gel film, coating the gel film by an iron sheet, coating the gel film coated by the iron sheet on a cylinder, and carrying out baking to obtain a decorative accessory product with cracks. The method provided by the invention effectively solves the problem that grinding and polishing processes adopted by the prior art can cause dust pollution and produce the damage on a human body. The cut arc-bottom decorative accessory with cracks can be directly inlaid in a base blank so that one-step formation of accessory inlaying is realized, is beautiful and tasteful and solves the problem of a single product decorative effect.

The invention discloses a mattress layer. The mattress layer comprises a rigid mattress layer body and a soft mattress layer body located above the rigid mattress layer body. Due to the fact that the mattress layer comprises the rigid mattress layer body and the soft mattress layer body, composite foundation pile soil is integrated through the lower rigid mattress layer body, the joint bearing capacity of the pile soil can be brought into better play, rigid contact between a reinforced concrete foundation and pile bodies and rigid contact between the reinforced concrete foundation and the rigid mattress layer body can be avoided through the upper soft mattress layer body, a composite foundation has the better buffering and vibration absorption effect, and deformation compatibility of the composite foundation pile soil can be ensured through the soft mattress layer body. Meanwhile, a hydraulic channel can be formed through the soft mattress layer body, so that the composite foundation is softened, the rigid mattress layer body can seal the hydraulic channel, and accumulated water is prevented from permeating the soil among piles. Therefore, the problem that an existing mattress layer is single in function is solved. The invention further discloses the composite foundation comprising the mattress layer and a construction method of forming the composite foundation.

The invention provides a production method of melt-blown cloth. According to the method, polypropylene and a bactericide are mixed and melt-blown to form sterilization melt-blown cloth, then polypropylene, vinylidene fluoride, electret master batch, polyethylene terephthalate, a dispersing agent, a stabilizing agent and a binding agent are uniformly mixed and melt-blown to form filtering melt-blown cloth, and the two layers of melt-blown cloth are compressed and shaped to form the novel melt-blown cloth. According to the method, the bactericide, the filtering material and polypropylene are mixed, so that the sterilizing effect and the filtering effect are better.

The invention discloses a shock resisting epoxy resin composite material. The shock resisting epoxy resin composite material is characterized by being prepared from the following raw materials in parts by weight: 50-55 parts of TDE-85 type epoxy resin, 1.2-2.7 parts of 2-mercaptobenzothiazole benzimidazole, 1-3 parts of sludge, 2-4 parts of glass fiber, 1.3-2.9 parts of triethoxysilane, 1-2 parts of paris polyphylla, 2-4 parts of antifebrile dichroa, 8-9 parts of octadecyl alcohol, 14-16 parts of optal, 5-7 parts of polyvinyl butyral, 10-12 parts of phthalic anhydride, 0.6-1.1 parts of calcium aluminate cement, 3-5 parts of butyl acetyl ricinoleate, 7-9 parts of trimellitic anhydride, and 4-6 parts of an additive. The preparation method provided by the invention is simple in technology and convenient to operate, and effectively solves the problem that conventional epoxy resin is single in function; the epoxy resin has the advantages of good rigidity, good strength, good impact resistance, no irritant smell, excellent adsorption performance and the like.

The invention discloses an injection solvent and a preparation method of the injection solvent. The injection solvent comprises hydrogen, injection water and an osmotic pressure regulator. The preparation method includes the steps of firstly, adding activated carbon into the mixed liquid of the injection water and the osmotic pressure regulator, then boiling the mixed liquid, filtering and cooling; secondly, feeding the hydrogen into the processed mixed liquid, filtering with a micro-pore filtering membrane to obtain the injection solvent, filling the injection solvent in a glass bottle and sealing, sterilizing, and packaging the injection solvent which is qualified after light inspection. The invention further discloses application of the injection solvent serving as medicine. The injection solvent has the advantages that injection solvent varieties are enriched, the problem that the injection solvent is single in effect is solved, osmotic pressure can be balanced while instability caused by the oxidation of the main medicine in injection can be prevented, the injection solvent can cooperate with the medicine to increase curative effect, medicine toxic and side effects can be reduced, and a direction for future injection solvent development is developed.

The invention discloses a drum type boosting multi-ring composite sealing handle body, comprising a handle body; two mutually vertical cylindrical holes are formed in the handle body; one hole is a vertical hole for sealing a hydraulic cylinder and a piston column; the other hole is a cross hole for mounting a three-use valve; a liquid-filling through hole is formed between the two holes; the vertical hole is provided with a seal ring slot internally provided with a seal ring; upper and lower end faces of the handle body seal ring slot are provided with through holes communicated with a hydraulic cavity; the end face, facing the through holes, of the seal ring is provided with a boosting structure communicated with the through holes; the boosting structure comprises a buffering slot communicated with the through holes and a seal ring boosting cavity positioned inside the buffering cavity; and a support partition plate is arranged between the buffering slot and the boosting cavity and is provided with 1-N liquid injecting holes communicated with the buffering slot and the boosting cavity. The inner and outer seal cylindrical faces of the seal ring are divided into 1-N seal ring faces. Compared with the prior art, the drum type boosting multi-ring composite sealing handle body has the advantage of realizing the aims of drum type boosting sealing and multi-ring composite sealing by matching the handle body and the drum type boosting multi-ring composite seal ring and forming through holes in the end face of the seal ring slot for liquid injection.

The invention relates to the technical field of water purification, and particularly relates to a modularized integrated device and method for treatment of black odor water. The device comprises a conveying component, a filtering water purifier, an on-line monitoring component and a programmable logic controller (PLC) control component; the filtering water purifier, the on-line monitoring component and the PLC control part are connected to form a normal operation loop and a filter water purification module regeneration loop through the conveying component; and a separation assembly composed ofa plurality of modules is arranged in the filter water purifier. According to the invention, through the functional design and combination of the system units, different functional units can be flexibly selected in the system according to technological requirements, and a process purpose is achieved, so that system adaptability is high. Meanwhile, the filter material modules with different filterwater purification characteristics are combined into the filter water purifier, so that miniaturization of various filtering water purification functions is realized, and the problems that a single filter water purification material is single in performance, insufficient in water quality adaptability, frequent in replacement of filter water purification material and inconvenient in replacement are solved.

The invention discloses a supporting device for spinning-silk-thread bundling. The supporting device comprises a device body, a first cavity is formed inside the device body, a groove is formed in theupper surface of the device body, the first cavity is formed under the groove, two symmetrical second cavities are formed inside the device body, and are formed in the left side and the right side ofthe groove respectively. According to the supporting device for spinning-silk-thread bundling, the effect that the supporting device for spinning-silk-thread bundling is conveniently adjusted and used is achieved, the performance that the supporting device for spinning-silk-thread bundling is conveniently operated is guaranteed, and the problem that an existing supporting device is complex in operation is solved; the supporting device has the advantage of being convenient to operate, the effect that the supporting device for spinning-silk-thread bundling is conveniently replaced and fixed isachieved, the practicability of the supporting device for spinning-silk-thread bundling is guaranteed, the problem that the existing supporting device is single in performance is solved, and the supporting device has the advantage of being convenient to replace and fix.

The invention discloses a negative oxygen ion formaldehyde-removing warm air humidifying air purifier and relates to the technical field of purifiers. By means of a key technology of arranging a palygorskite compound filter screen filter, a housing of the filter and an air inlet grating, the bottom end of the housing and a water plate, the right side in the housing and a filter, the left side in the housing and a heating plate, a water-dropper at the upper end of the filter and the right side wall in the housing, the upper end section in the housing and a fan, and the left upper corner position of the front wall of the housing and a control panel are fixedly connected; the upper end of the filter and an upper frame, the lower end of the filter and a lower frame and the filter and two continuously bent filter screens which are made from glass fiber membrane materials are fixedly connected; a compound sterilizing filter body is placed between the two filter screens; a switch of the heating plate and the heating plate on the control panel and a switch of the fan and the fan are electrically connected; a water injection port is formed in the upper end of the water-dropper, and an air outlet is formed in the upper end of the fan. The purifier can be used for warm air humidification and purifying air. The purifier is reasonable in design, skillful in structure, rapid and convenient to use, stable and reliable in effect, low in cost, and favorable in promotion.

The invention discloses a staggered vibrating subsoiling and fertilizing integrated machine, comprising a vibrating subsoiling device, a depth control device, a fertilizing device, and a traction device installed on a frame, the traction device includes a suspension bracket, and the suspension bracket is installed on In the middle of the front end of the frame, the subsoiling shovels of the vibration subsoiling device include semi-soiling shovels, full-soiling shovels and staggered vibration generating devices. The staggered vibration generating devices include multiple sets of crank necks installed on the rotating shaft at intervals , the rear side of the full deep loosening shovel is equipped with a vertical fertilizer discharge pipe, the fertilization device includes a fertilizer box, the fertilizer outlet of the fertilizer box is connected with the inlet of the fertilizer discharge pipe with a hose, and the depth control device is installed on both sides of the frame Depth-adjustable depth-gauge wheel, the two sides of the frame behind the depth-gauge wheel are respectively equipped with the pressure wheel placed at the rear through pull rods. The invention can be matched with large and medium-sized tractors to carry out vibratory subsoiling operations in dry land, and has high production efficiency, good subsoiling effect and low operation cost.

The invention relates to a catalyst amplification platform scientific research test mother liquor tank, wherein a cone is coaxially arranged at the bottom portion of a cylinder, flanges and connection pipes are arranged at the lower portion of the cone, a bottom bearing is arranged at the bottom portion position inside the cone, a stirrer is arranged on a stirring shaft, the lower end of the stirring shaft is arranged on the bottom bearing, the flange and the connection pipe are arranged at the bottom portion of a jacket cylinder through jacket bottom plates, the cylinder is arranged inside the jacket cylinder, the side surface of the jacket cylinder is provided with the flange, the connection pipe, a lug seat, a rib plate and a nameplate combination member, a joint combination member and a sealing head are arranged on the jacket cylinder, a manhole combination member is arranged at the upper portions of the cylinder and the jacket cylinder, and an inner cylinder temperature measurement joint is arranged inside the cylinder. According to the present invention, with the catalyst amplification platform scientific research test mother liquor tank, the problems of single function and not high utilization rate of the traditional equipment are completely solved, the performance price ratio of the equipment is improved, and the catalyst amplification platform scientific research test mother liquor tank is suitable for the scientific research test characteristics of the catalyst amplification research common platform.

The invention discloses a high-thermal-stability epoxy resin composite material. The high-thermal-stability epoxy resin composite material is characterized by being prepared from the following raw materials in parts by weight: 48-54 parts of E20 epoxy resin, 1-3 parts of grape vine, 1-2 parts of tailings, 6-9 parts of chlorinated paraffin oil, 1.2-2.5 parts of an aluminate coupling agent DL-411, 19-23 parts of aliphatic polyalcohol glycidyl ether, 5-8 parts of ally alcohol, 7-10 parts of succinic anhydride, 2 parts of N,N-diethyl aniline, 4-6 parts of m-phenylenediamine, 10-15 parts of 10% acetic acid solution, 0.5-0.9 part of magnesium hydroxide, 6-8 parts of tributyl phosphate, and 4-7 parts of an auxiliary. The preparation method disclosed by the invention is simple in technology, convenient to operate, and simple in raw material source, effectively solves the problem that the existing conventional epoxy resin is single in performance; the epoxy resin prepared by the method is good in high temperature resistance and stability, acid and base resistant, anti-static and the like.

The invention relates to a catalyst amplification platform comprehensive test mother liquor tank. A cone is arranged on the bottom of a cylinder, the cone and the cylinder are coaxially arranged, a flange and an adapter tube are arranged on the lower part of the cone, a base bearing is arranged on the bottom of the interior of the cone, a stirrer is installed on a stirring shaft, and the lower end of the stirring shaft is arranged on the base bearing; a flange and an adapter tube are arranged on the bottom of a jacket cylinder through a jacket base plate, and the cylinder is installed in the jacket cylinder; the side surface of the jacket cylinder is provided with a flange and an adapter tube, a lug, a reinforcing plate and a nameplate assembly, and a joint assembly and an end socket are arranged on the jacket cylinder; a manhole assembly is arranged above the cylinder and the jacket cylinder, and the cylinder is inside provided with an inner cylinder temperature measuring joint. The catalyst amplification platform comprehensive test mother liquor tank is advantaged in that the cost performance of the mother liquor tank is improved, the mother liquor tank can well adapt to catalyst amplification research public platform scientific research test characteristics, and has originality in the catalyst industry from the function and structural design aspects, and a plurality of tests can be carried out by means of the same device.

The invention discloses a brush cutter for trimming green belts. The brush cutter for trimming the green belts comprises a device body, wherein the top of the device body is provided with a main switch and a water tank, the front face of the water tank is provided with a water filling nozzle, the top of the water tank is provided with a telescopic column, the top of the telescopic column is provided with a rotating piece, the top of the rotating piece is provided with a telescopic rod, the front face of the telescopic rod is provided with an operating handrail and a telescopic piece, one end of the telescopic rod is provided with a connecting plumbing bar, a fan-shaped cavity and a rotating shaft, the outer surface of the rotating shaft is provided with a cutting saw blade, the side face of the water tank is provided with a water level observation column, the side face of the device body is provided with a heat dissipation window, a liquid level meter and an oil filling port, the innerportion of the water tank is provided with a water pump, the top of the water pump is provided with a water pipe, the inner portion of the device body is provided with an oil tank, a power box, a cooling fan, an engine and a motor, and therefore, the brush cutter for trimming the green belts solves the problems that the operation and use are inconvenient, and the performance is single by utilizing the telescopic column, the rotating piece, the telescopic rod, the water tank, the water pump and the water pipe.

The invention provides a compound herbicide for a lawn. The herbicide consists of the following components: 45 percent of glyphosate 10% aqueous solution, 45 percent of butachlor 60% cream; 10 percent of a bud after-treating agent. The bud after-treating agent is pendimethalin 33% cream. By adopting the compound herbicide, weeds at the germination period and just after the termination period can be prevented while the weeds are eliminated in the inundation period of the weeds, the problem that the herbicide has a single function can be effectively solved, the weeds preventing and treating effects can be improved, and the effect of the herbicide can last longer after being used for once.

The invention discloses an epoxy resin composite material with corrosion-resisting and wear-resisting properties. The epoxy resin composite material with the corrosion-resisting and wear-resisting properties is characterized by being prepared from the following raw materials in parts by weight: 50-56 parts of o-cresol formaldehyde epoxy resin, 20-25 parts of polypropylene glycol diglycidyl ether, 1.2-2.3 parts of diaminodiphenylmethane, 2-3 parts of oyster shell powder, 1-3 parts of sodium carbonate, 1-2 parts of calcium aluminate, 2-4 parts of zinc borate, 5-7 parts of phthalic anhydride, 9-11 parts of diphenyl silanediol, 8-10 parts of polyvinyl butyral, 6-9 parts of polyesteracrylate, 2.1-3.5 parts of 3-diethylaminopropylamine and 3-6 parts of auxiliaries. The epoxy resin composite material with corrosion-resisting and wear-resisting properties can be used for effectively solving the problem that the traditional epoxy resin is single in properties, epoxy resin prepared by utilizing the epoxy resin composite material with corrosion-resisting and wear-resisting properties has the advantages of resistance to chemical corrosion, wear resistance, ageing resistance, high strength and the like and can be widely used for manufacturing anticorrosive materials for different applications, so as to adapt to the working condition environment that the modern industrial equipment and spare parts are complex.

The invention discloses a strong-thixotropy low dielectric epoxy resin composite material, which is characterized by being prepared from the following raw materials in parts by weight: 50-56 parts of an E-51 epoxy resin, 1-3 parts of sericite powder, 4-8 parts of polyamide wax, 0.6-0.9 part of sodium silicate, 20-24 parts of benzyl glycidyl ether, 9-12 parts of an acetic acid, 10-13 parts of 2-[2-(2-aminophenoxy)ethoxy]phenylamine, 3-5 parts of tert-butyl hydroperoxide, 1-2 parts of 2-dibromo-3-nitrilopropionamide, 7-9 parts of 2,2,4-trimethyl-1,3-pentanediol monoisobutyrate, 6-9 parts of trimellitic anhydride, and 3-6 parts of an additive. A preparation process of the composite material disclosed by the invention is simple and easy to operate, and a problem that existing traditional epoxy resins are simple in performance is effectively solved; the epoxy resin disclosed by the invention has the advantages of good thixotropy, strong shock resistance, corrosion resistance, aging resistance, low power saving coefficient and the like; and prepregs prepared by using the epoxy resin are non-caked, and prepared copper-clad plates have relatively low dielectric coefficients and dielectric loss, so that the distortion rate in the process of signal transmission can be reduced.