67results about How to "Avoid regrowth" patented technology

An electronic anti-coagulation stent structure is disclosed. The stent structure comprises a pair of coaxial metal stents having a layer of dielectric material between the stents. A battery is operatively connected preferably near or adjacent to the upstream end upon deployment of the stent. The positive battery terminal establishes an electrical connection to the outer metal stent and the negative terminal establishes an electrical connection to the inner metal stent and this exhibits a capacitor-like properties. The inner metal stent, being negatively charged, promotes a platelet repellent, anti-thrombotic effect.

The invention discloses a 6-series railway vehicle suspension arm aluminum profile which contains the following metal substances in percentage by mass: 0.6-0.7% of Si, less than 0.15% of Fe, 0.5-0.7% of Mg, 0.02-0.25% of Mn, less than 0.01% of Cu, 0.1-0.25% of Cr, less than 0.05% of Zn, 0.03-0.06% of Ti and the balance of Al. The invention also discloses a preparation method of the 6-series railway vehicle suspension arm aluminum profile. The 6-series railway vehicle suspension arm aluminum profile has optimized chemical components as compared with the aluminum profile in the prior art, the Mn element content is enhanced to 0.2%, and the Cr element content is enhanced to 0.12%; the Mn can be utilized to enhance the recrystallization temperature characteristic and inhibit the crystal grains from growing, thereby refining the crystal grains of the profile and enhancing the microstructure of the material (grain refinement); and the optimized aluminum profile has the advantages of high tensile strength, high yield strength and high elongation percentage.

The invention belongs to the field of manufacturing of aluminum alloy plates, and relates to an aluminum alloy plate with high bake hardenability and a preparation method thereof. The aluminum alloy plate with the high bake hardenability is prepared from, by weight, 0.4-0.9% of Mg, 0.6-1.4% of Si, 0.008-0.12% of Ti, 0.0005-0.04% of B, no more than 0.3% of Fe, 0.06-1.5% of Zn, 0.3-0.8% of Cu, 0.03-0.25% of Sn, no more than 0.15% of impurities and the balance Al, wherein the content of each the impurity is no more than 0.05%. By adoption of the aluminum alloy plate with the high bake hardenability and the preparation method thereof, the problem that MgO is likely to be formed on the surface of an aluminum alloy plate adopted by an automobile body covering part in the prior art, and consequentially, the binding property and corrosion resistance after painting of the automobile body covering part are poor is solved.

The invention discloses a high-efficiency weed extractor which comprises a walking device, a mowing device, a soil turning device, a soil breaking device and a weed collecting device. The mowing device, the soil turning device, the soil breaking device and the weed collecting device are sequentially arranged. The walking device comprises walking wheels. The mowing device comprises a mowing main shaft. Mowing blades are arranged on the mowing main shaft. The soil turning device comprises a soil turning arm connected with a machine frame. The bottom of the soil turning arm is connected with a fixed rod. The fixed rod is sleeved with a soil turning shovel. The soil breaking device comprises a soil breaking main shaft which is sleeved with a soil breaking wheel. The weed collecting device comprises a rake frame which is provided with rake teeth. According to the high-efficiency weed extractor, the cutting and smashing of weeds, the pulling up of weed roots, the filling of bulky soil and the collecting of weeds are achieved through the mowing device, the soil turning device, the soil breaking device and the weed collecting device, weeds are completely removed at a time, and it is avoided that the weeds are stacked in a field or buried by soil and grow again; the weed extractor is high in weeding efficiency, low in labor intensity and suitable for large-scale weeding.

An acidic solution is applied to the tooth surface in the oral cavity and has the ingredients thymol, eucalyptol and menthol. It kills bacteria in the mouth and makes the environment acidic. The acidity in the oral cavity causes demineralization to occur, releasing calcium and phosphate through open pores in the tooth surface. The acidic solution is removed from the oral cavity after a predetermined amount of time. The non-acidic mouthwash is applied to the tooth surface subsequent to the removal of the acidic solution. It has sodium fluoride and works to neutralize acidic conditions in the oral cavity allowing remineralization to occur. Calcium and phosphate ions fill the open pores in the tooth surface, hardening the enamel. After a predetermined amount of time the user removes the non-acidic solution.

The invention relates to a traditional Chinese medicine composition for treating haemorrhoids and a preparation method thereof and belongs to the technical field of traditional Chinese medicines. The traditional Chinese medicine composition is prepared from the following raw materials in parts by weight: 20-40 parts of Polygonum cuspidatum, 15-35 parts of frankincense, 15-35 parts of dried alum, 15-35 parts of mirabilite, 10-30 parts of Chinese violet, 10-30 parts of myrrh, 10-30 parts of radix sophorae flavescentis, 10-30 parts of golden cypress and 10-30 parts of gallnut. The traditional Chinese medicine composition has the beneficial effects that the traditional Chinese medicine composition is reasonable in formulation design and precise in compatibility, has the characteristics of quick effect, short treatment course and the like and is free of toxic and side effects and any dependency, and the heating rate reaches 98%.

The invention discloses a cucumber rootstock zero-cotyledon top-end casing grafting seedling raising method. The method comprises the following steps: cutting out a slope of 45-60 degrees in a position which is 1-3mm away from the lower part of the apical growing point of a pumpkin rootstock seedling, removing two cotyledons and growing points, reserving the hypocotyl and the root system of the rootstock seedling, and inserting the top end of the epicotyl into a casing; performing cutting in a position which is 1.0-1.8cm away from the lower part of the apical growing point of a cucumber scion seedling according to the same angle of 45-60 degrees, reserving embryonic axes and leaves at the upper part, and inserting the scion seedling into the casing; and enabling the two inclined cuts of the rootstock and the scion to abut against each other, thereby ensuring healing and seedling establishment. The growing points and all the cotyledons of the rootstock are thoroughly removed, so that no sprout tiller is regenerated at the top end of the rootstock, thereby omitting the sprout tiller removal procedure during cucumber grafting seedling raising, and greatly saving the labor cost; and favorable ventilation is ensured among the grafted seedlings, so that the incidence rate of diseases such as powdery mildew and the like is obviously lowered. The cucumber rootstock zero-cotyledon top-end casing grafting seedling raising method is simple to operate, high in grafting survival rate and low in incidence rate, realizes no sprout tiller regeneration on the rootstock, and achieves a favorable yielding ability after permanent planting.

The invention discloses a planting method for high-yield fruit corn. The method comprises the following steps of 1 seed treatment, wherein corn seeds are subjected to virus-free treatment, then soakedwith a sodium bicarbonate solution and then mixed with fermented bean flour to be stored; 2 germination acceleration, wherein the stored seeds are activated and soaked with a germination accelerationsolution to be treated; 3 soil preparation, wherein organic fertilizer is applied to land, a plant ash solution, an EM bacteria agent solution and functional charcoal dust are adopted for soil afterploughing is performed; 4 seedling growing, wherein loess, organic fertilizer and functional charcoal dust are mixed and put into a planting cup, the planting cup is sleeved with a plastic cup, germinating seeds are sown in the planting cup for seedling growing; 5 planting, wherein the plastic cup outside the planting cup is removed, the planting cup is placed into a planting pit and covered withsoil; 6 daily management, wherein when seedlings grow to 1-1.2 m and bloom, organic fertilizer is applied in a dressing mode, a plant ash solution and a limewater solution are sprayed periodically, and insecticide is applied according to the actual plant disease and insect pest condition.

The invention provides an agricultural weed rotary cutter with the soil covering function. A mechanical method is adopted, weeds and root systems of the weeds are shoveled together, the root systems are prevented from remaining in soil and growing again, and the soil pollution caused by chemical herbicides can be avoided. When the weeds are shoveled, soil carried by the weed root systems is separated, and then the soil is covered again.

The invention discloses digging type weeding apparatus convenient for replacing a hoe. The digging type weeding apparatus comprises a supporting plate; the upper surface of the supporting plate is fixedly connected with the lower surface of a driving device through a first fixing rod; the right end of the driving device is in lap joint with the left side face of the outer wall of a U-shaped plate;the left side and the right side of the inner wall of the U-shaped plate are respectively and fixedly connected with first pulleys; opposite ends of the two first pulleys are in lap joint with the left side face and the right side face of a first movable rod; the right side face of the outer wall of the U-shaped plate is fixedly connected with the left end of a telescopic device; and the right end of the telescopic device is fixedly connected with the left side face of a fixed plate. According to the digging type weeding apparatus convenient for replacing a hoe, a threaded column, a first threaded cap, a second threaded cap, a third movable rod, a connecting rod and a fixed block act jointly, so that rapid disassembly and rapid fixation between the fixed block and the connecting rod are realized, a situation that a farmer disassembles the fixed block through a series of tedious operations is avoided, and therefore convenience is brought to the farmer for replacing the fixed block.

The invention discloses a nose mask for removing blackheads and preventing regeneration of blackheads. The nose mask is prepared from the following raw materials: azelaic acid, peppermint essential oil, cypress essential oil, tea tree essential oil, geranium essential oil, oil soluble vitamin E, a polygonum cuspidatum extract, hempleaf negundo chastetree leaf oil, oil soluble azone, jojoba oil and the like. During use, after the nose is cleaned and dried, the nose mask is attached to the nose and is taken down in 15-30 minutes, and the nose is cleaned by clean water. The product disclosed by the invention can export blackheads from pores and kill bacteria induced by blackheads, further can prevent skin infection and enlargement of pores and prevent regeneration of blackheads, and further has the advantages of being safe, free of any irritation and the like.

The invention discloses a rolling method for reducing the surface cracking of a TC4 titanium alloy smelted in an EB furnace, and belongs to the field of plastic forming. According to the rolling method, a TC4 titanium alloy cast-state slab ingot is directly rolled into a high-quality plate through the method of combination of direct rolling and recrystallization annealing heat , so that on one hand, the production process flow of the TC4 titanium alloy is shortened, and the machining cost is reduced; and on the other hand, the side portion cracking and central surface cracks in the titanium alloy rolling process are reduced, the surface quality of a finished plate is good, and the high-quality TC4 titanium alloy plate is finally obtained.

The invention discloses a remote fault diagnosis system for a disinfection cabinet. The remote fault diagnosis system comprises a disinfection cabinet control device comprising a controller, and the controller is connected with a WIFI (wireless fidelity) module, a current detecting circuit, a heating fault detecting circuit, a temperature fault detecting circuit and an ultraviolet lamp fault detecting circuit. When the heating fault detecting circuit detects that a heating tube is in fault, the ultraviolet lamp fault detecting circuit detects that an ultraviolet lamp is in fault or the temperature fault detecting circuit detects that a temperature sensor is in fault, the controller sends fault information into a network server through the WIFI module, and a user remotely controls the disinfection cabinet through user terminal equipment, performs fault diagnosis for each portion, transmits fault problems to an after-sales service system of the network server for recording and analysis through the WIFI module and sends relevant fault information to the user terminal equipment, so that the fault problems are dealt with in time.

The invention discloses a perfumed soap able to remove blackheads. The perfumed soap is prepared from bamboo charcoal powder, fatty alcohol-polyoxyethylene ether, peppermint essential oil, cypress essential oil, ocimum basilicum essential oil, a Salvia Miltiorrhiza extract, a polygonum cuspidatum extract, jojoba oil, oil-soluble azone, soap base and other raw materials. During use, the part with blackheads is moistened and then daubed with a proper amount of the soap provided by the invention, and 3-5 minutes later, the part can be washed with clean water. The perfumed soap provided by the invention can adsorb blackheads out of the skin surface, also can prevent skin infection, pore largening and re-growth of blackheads, and simultaneously has the advantages of safety, no irritation and the like.

The invention discloses a preparation method and a shape fixing method of ceramic slurry. The method comprises the following steps: mixing and ball-milling an oxide, adding photosensitive resin and an auxiliary agent, stirring and mixing, adding ceramic powder, and stirring and homogenizing to obtain the ceramic slurry with the solid content of more than 50%. And a photo-curing 3D printer is utilized to apply the ceramic slurry to preparation of ceramic products with high precision and excellent surface quality. The method has the beneficial effects that by optimizing the composition and the proportion of the ceramic slurry, surface rapid shaping is completed under the condition that the ultraviolet exposure intensity is not improved, and photocuring 3D printing of a high-solid-phase material is achieved. In the degreasing process, an ultraviolet recuring process is introduced, the shape-preserving degreasing effect is achieved, and the problems of collapse, cracks and the like caused by stress change of the ceramic green body in the traditional degreasing process are solved. In the degreasing process, the photocatalytic degreasing technology is introduced, decomposition of organic matter is further completed, complete degreasing is achieved, and the degreasing time is shortened. The process level that the solid phase content of the ceramic green body exceeds 90% is achieved.

The invention discloses a weeding system. The weeding system comprises a track mechanism, a moving platform and a weeding device; the track mechanism comprises a plurality of longitudinal rails laid equidistantly in parallel side by side in a farmland and at least two transverse rails laid in parallel side by side in the farmland, wherein the transverse rails are arranged perpendicular to the longitudinal rails; the moving platform spans the adjacent two longitudinal rails, two sets of wheel groups moving along the adjacent longitudinal rails or adjacent transverse rails are rotationally arranged under the moving platform, a telescopic rod is arranged on the moving platform to jack the moving platform so that the two sets of wheel groups break away from the rails, the two sets of wheel groups are rotated so that the moving platform can not only move on the two adjacent longitudinal tracks but also move on the two adjacent transverse rails; the weeding device is arranged on the movingplatform to weed the farmland. The weeding system has the advantages that weeding can be accurate, and no weeding overlap or omission exist.

The invention discloses a weeding robot with a root crushing function. The weeding robot comprises a vehicle body plate, a front wheel assembly and a rear wheel assembly are installed at the two ends of the lower side of the vehicle body plate respectively, and a weeding assembly, a grass collecting assembly and a root smashing assembly are sequentially arranged at the portion, between the front wheel assembly and the rear wheel assembly, of the vehicle body plate. Grass gathering assemblies are arranged on the lower end face of the vehicle body plate and located on the two sides of the weeding assembly and the grass collecting assembly, the weeding assembly is connected with the vehicle body plate through a first lifting air cylinder, the grass gathering assemblies are fixedly connected with the vehicle body plate and symmetrically arranged, and the root smashing assembly is connected with the vehicle body plate through a second lifting air cylinder. According to the weeding robot, weeds on the surface layer of the ground are removed through the weeding assembly, the removed weeds are rapidly collected through the grass collecting assembly, then rhizomes of the removed weeds are smashed through the root smashing assembly, the weeds are prevented from growing again, the weeding workload is reduced, and the weeding efficiency is improved.

The invention is applicable to the technical field of water environments, and provides a method for controlling hypertrophy of green algae. The method comprises the following steps: 1, primarily treating the green algae: throwing plant ash and a flocculant into water, arranging a micro-bubble generating device in the water, and mechanically removing aquatic floats on the surface of the water 3-5 days after the throwing of the plant ash; 2, finely treating the green algae: adding a chemical algaecide to the primarily treated water; 3, carrying out organic matter treatment: adding a coagulant tothe finely treated water, and adding blue vitriol to the water; and 4, planting floating plants: planting the floating plants on the surface of the water subjected to the organic matter treatment. The method can comprehensively and thoroughly control the green algae in the water, has few damages to the water, and achieves the overall improvement of the quality of the water.

The invention discloses a weeding device for a river course, and relates to the technical field of clearing of the river course. The weeding device comprises a handhold part, a connecting device, a fixing device and a pesticides cartridge, wherein the connecting device is arranged on the handhold part; the fixing device is arranged on the connecting device; the pesticides cartridge is arranged onthe fixing device; the handhold part is composed of a holding rod, an anti-skid casing and a spring clamping buckle; the connecting device is composed of a sleeve, a clamping block, a bottom plate anda fixed block; the fixing device is composed of a connecting pipe, a fixed ring, a support rod, a limiting rod and a vertebral body; the pesticides cartridge is composed of a cartridge body, an upperplate and a lower plate; and the upper plate and the lower plate are arranged on the cartridge body. The weeding device for the river course disclosed by the invention is high in practicability, andis very convenient to use; moreover, water weeds in the river course and ponds can be essentially killed, and re-growth of the water weeds can be prevented; and moreover, the device is convenient to detach, easy to recycle, and has less influence on water quality of positioned water domains.

The invention provides a hand-held high-temperature weeding machine convenient to operate. The weeding machine comprises a machine head, a weeding attachment and a handle; a high-temperature generating device is arranged in the machine head, and the weeding attachment communicates with the high-temperature generating device; and the weeding machine further comprises a battery pack, and the batterypack is electrically connected with the high-temperature generating device and supplies power to the high-temperature generating device to make the high-temperature generating device operate. According to the weeding machine provided by the invention, the power is supplied to the high-temperature generating device through the battery pack, so that the weeding machine works; and compared with a current power supply mode through a power line, the power supply mode disclosed by the invention makes the weeding machine more convenient to operate, the weeding machine is not pulled by the power linewhen working, the weeding machine can be operated in any directions, the weeding machine is not affected by a length of the power line to affect operation distance, and the weeding machine can be conveniently held to each working environment; and the problem that operation cannot be performed because a socket cannot be found when working is performed outdoors is well avoided, the weeding machinecan be very suitable for outdoor work, an application range of the weeding machine is improved, and operational convenience of the weeding machine is improved.

The invention discloses a method for preparing multiple layers of grid structures of high-K material on silicon-on-insulator (SOI) material. The method comprises the following steps: pretreating the surface of the SOI through O2 plasmas, and then forming an ultrathin SiO2 interface layer on the surface of a SOI substrate; subsequently, growing a layer of ultrathin Si3N4 on the ultrathin SiO2 interface layer by utilizing an atom layer decomposition (ALD) mode, and the layer of ultrathin Si3N4 can effectively isolate diffusion between impurity elements in the high-K material layer and silicon on the top layer of SOI and prevent regrowth of the SiO2 layer at the lower part during later thermal treatment; subsequently, depositing a layer of high-K material on Si3N4, carrying out proper nitrogen treatment on the high-K material so as to form a layer of oxyntride having high-K, and the layer of oxyntride can effectively prevent diffusion of elements between a metal grid electrode and the high-K material layer; and finally, growing a metal electrode in a sputtering mode.