528results about How to "Guaranteed production effect" patented technology

The invention discloses an assembled integral building and a construction method thereof. The assembled integral building comprises a reinforced concrete wall and floor slabs, wherein the reinforced concrete wall is formed by hoisting and assembling prefabricated composite insulating wallboards integrally at a construction site; a board body of each prefabricated composite insulating wallboard comprises a structure layer, an insulating layer and a protective layer from the inside to the outside in turn; a reinforcement cage is arranged in the structural layer; steel meshes are arranged in the concrete of the protective layer; the structural layer, the insulating layer and the protective layer are anchored together by inserting connecting members in a dotted distribution; the left and right edges of the protective layer and the insulating layer protrude out of the structural layer; a lower edge of the protective layer extends downward to form a bulged opening; the top parts of the protective layer and the insulating layer upward protrude out of the structural layer; and an upper edge of the protective layer is provided with a notch which corresponds to the bulged opening of the prefabricated composite insulating wallboard adjacent to an upper layer. The building overcomes the defects of erecting shuttering on site, binding steel bars and concreting in a traditional construction method, speeds up the construction, and lowers the construction cost; and the construction quality of the building structure can be sufficiently guaranteed.

The invention discloses an assembled integral shear wall structure system and a construction method thereof. Prefabricated composite wallboards are hoisted and assembled integrally at a construction site; a board body of the prefabricated composite wallboards comprises a structural layer, an insulating layer and a protective layer from the inside to the outside in turn; a reinforcement cage is arranged in the structural layer; the insulating layer is an extruded polystyrene foam plastic board; steel meshes are arranged in the concrete of the protective layer; and anchor bolts in a dotted distribution are connected among the structural layer, the insulating layer and the protective layer. Vertical seams and horizontal seams of prefabricated composite walls adopt structural self-waterproofing, so that common quality problems such as leakage and cracks and the like in a traditional process are solved. The prefabricated composite walls simplify construction processes, speed up the construction, and lower the construction cost. Furthermore, products prefabricated in a factory have uniform specifications and unified quality, so that the construction quality of a building construction can be sufficiently guaranteed; the industrialization, standardization, and generalization of the building walls are realized; and the products can be widely applicable to the construction of reinforced concrete buildings in the construction industry.

The invention relates to a precast concrete wallboard and a preparation method thereof. A wall body has a structural layer and a protection layer from inside to outside, wherein the structural layer is internally provided with a reinforcement cage, and a reinforcement fabric is arranged in the concrete of the protection layer; the protection layer is connected with the structural layer through a transverse connecting reinforcement connected to the reinforcement fabric; the left edge and the right edge of the protection layer protrude out of the structural layer; the lower edge of the protection layer downwards extends out of a protruded port; and the top of the protection layer upwards protrudes out of the structural layer; the upper edge of the protection layer has a dent corresponding to the protruded port of the adjacent precast concrete wallboard on the upper layer; and the two ends of a transverse bar of the reinforcement cage protrudes out of the left side surface and the right side surface of the structural layer of the wall body and form two rows of transverse steel ties bending inwards. The wallboard has the advantages that the construction process is simplified, the construction speed is accelerated, and the construction cost is reduced. Meanwhile, products precast by a factory have uniform specification and quality, and thus, the construction quality of a building structure can be guaranteed sufficiently. The precast concrete wallboard can be widely applied to construction of concrete steel buildings in building industry.

The invention relates to a totally-closed automatic crushing and sorting technical device of domestic garbage and resource-based product production, which effectively solve the key technical problems of the crushing and the sorting of the domestic garbage and the resource-based product production. The technical device is provided with the following parts: a domestic garbage mixing and coarse crushing device (capable of being applied to crushing large-size domestic garbage) consisting of an energy storage belt pulley, a speed changer, a rotor, a movable cutter head, a fixed cutter platform, a transmission gear and a conveying mechanism; a domestic garbage mixing and fine crushing device provided with a coarse crushing chamber, an intermediate crushing chamber, a fine crushing chamber and a discharging chamber consisting of turntables, detents, rails and screens; and a garbage automatic sorting device comprising a four-stage sizing mechanism consisting of a rotary drum, an impacting head and an arc screen, and a plastic removal separating mechanism consisting of vibrating boards. The totally-closed automatic crushing and sorting technical device is operated automatically in a totally closed mode, can simply sort the domestic garbage into three types of metal, plastic and organic-inorganic mixed sandy mud after mixing and crushing the domestic garbage, and uses market mature technical devices to produce resource-based products respectively. The totally-closed automatic crushing and sorting technical device has the advantages of unique structure, reliable product quality and the like.

The invention discloses a lithium ion battery full charge storage service life evaluation method. The method comprises steps: a battery sample for evaluation of lithium ion battery full charge states is stored at a plurality of storage temperature values T for appointed sampling time t, a capacity loss rate Q is obtained, and experiment data are generated; a capacity attenuation aged model is established, and values of a model parameter rho and a model parameter a are determined; the selection rationality of the storage temperature scope is determined based on the situation whether the model parameter a meets the Arrhenius formula at each storage temperature value T; a mean value and a standard deviation standard deviation of a model A and a model B are obtained through statistics; the value of the model parameter rho and the mean value of the models A and B are substituted into the model and fitting goodness determination is carried out; after fitting goodness is met, the service life of the lithium ion battery to be evaluated is predicted at a normal temperature and a service life distribution diagram is obtained. The evaluation method has advantages of sufficient service life evaluation principle, high data reliability, high precision, short evaluation time, wide application scope, is simple and practicable, and is easy to implement.

The invention discloses an ultralow sulfur steel quick smelting method. The difficult points of slagging, deoxidizing and desulfurating in the smelting process of the ultralow sulfur steel ([S] is not more than 0.0010%) are successfully solved. The method comprises the following steps: pretreating molten steel to desulfurate and remove slag, deeply deoxidizing tapping aluminum block through a converter, modifying composite refined top slag, deoxidizing aluminum wire through a LF refining furnace, slagging through lime and feeding aluminum wire to trimming aluminum molten steel, combining the whole reasonable argon bottom blowing control in the smelting process of the LF furnace, fully playing the metallurgical thermodynamics and thermodynamics and kinetics of desulfuration, organically combining the diffusion deoxidization and sediment deoxidization, sufficiently evacuating deoxidization and desulfuration potential of the slag so that the sulfur content in the molten steel within 40min can be reduced to within 0.0010% through the LF refining furnace and the full oxygen content of casting blank is controlled within 0.0010%. The sulfur content control of the molten steel is stable, the casting blank is good in quality, the steel plate flaw detection yield can achieve above 99%, the ultralow sulfur steel production requirement is completely satisfied, and the smelting production rhythm and the continuous casting pouring furnace are guaranteed.

The invention relates to a downhole safety monitoring system for mines and in particular relates to a monitoring control system for a mobile rescue capsule or a fixed refuge chamber. The monitoring control system comprises a host sub-system, as well as a monitoring sub-system, a control sub-system and a communication sub-system which are connected with the host sub-system, wherein a host device of the host sub-system is connected with various detection sensors through intelligent interfaces to form the monitoring sub-system; the host device is connected with various environmental control devices through intelligent interfaces to form the control sub-system; and the host device is connected with a video device, a voice communication device and a networking system through intelligent interfaces to form the communication sub-system. According to the monitoring control system, various parameter sensor data and personnel number information can be collected in real time, the survival environment parameters are monitored and automatically regulated, and the monitoring data and the voice and video information are transmitted to a ground monitoring center and a control command is received by virtue of a downhole transmission network, so that the downhole safety monitoring system for mines is an essential core system of guaranteeing downhole safe production and emergency rescue of coal mines and non-coal mines.

The invention discloses a plant functional polyester filament and a preparation method thereof. The plant functional polyester filament comprises 0.1-1.5% of plant extract. The preparation method includes a step of plant functional polyester master batch preparation, and the step of plant functional polyester master batch preparation includes: slicing PET, heating to melt, adding an antioxidant and a dispersing agent, and stirring; then, adding a protecting agent and the plant extract, and mixing at a high speed; finally, adding a modifying agent, well mixing to obtain a mixture, and extrudingfor granulation. The plant functional polyester filament integrates high mechanical strength of polyester fibers and the anti-mite and antibacterial performance of the plant extract and has advantages of antibacterial and deodorizing effects, high wear resistance, high elasticity, comfort in hand feeling and less proneness to pilling and fouling.

The invention discloses a fireproof high-molecular compound colloid material for coal mines, which belongs to fireproof materials. The fireproof high-molecular compound colloid material is compounded from 40-100 portions of high-molecular compound and 52-98 portions of an inorganic material, wherein the high-molecular compound is polyacrylate, or is composed of 40-55 portions of polyacrylate, 0-30 portions of carboxymethyl cellulose and 0-15 portions of polyacrylamide; the inorganic material is composed of 30-50 portions of bentonite, 12-18 portions of alumina shale powder, 10-20 portions of kaolin, 0-5 portions of attapulgite and 0-5 portions of clay; and the fineness of each raw material is less than 120 um. The preparation method of the colloid material comprises the following steps: mixing the high-molecular compound for 3-5 minutes; and after respectively spraying the inorganic material on a dry mixer, sufficiently and uniformly mixing the 8 materials for 8-10 minutes. The colloid material has the advantages of high water content, high moisture retention, high heat absorption capacity, quick fireproof effect taking, favorable effect, low possibility of afterburning and low composite cost, and is suitable for preventing and controlling fire for the spontaneous combustion and inflammation laws of different types of coal; and the downhole operation is simple and safe.

The invention provides an on-line integrity test method of a filter. The method is characterized by: making an integrity test machine bypass form series connection with a compressed air pipe line of a sterilization filtration system comprising at least one sterilization filter so as to form a closed detection gas path; setting a liquid level induction meter on the top of the each sterilization filter so as to meter a water yield of the sterilization filter; after sterilization in place (SIP) is performed to the sterilization filtration system or the sterilization filtration system is used, injecting sterile compressed air so as to cool a filter core of the sterilization filter; then feeding water for injection at the temperature of 20-25 DEG C so as to carry out wetting; and then performing a routine bubbling point test, a diffusion flow test or a pressure maintenance test so as to perform the integrity detection of the filter core. Accuracy of the filter integrity test can be ensured. Aseptic production and real-time monitoring of medicine can be guaranteed and a production efficiency can be increased.

The invention provides a beef cattle fattening feed which has the characteristics of low cost, good fattening effect, obvious economic benefits and the like. The feed comprises a basic ration group including corn, wheat bran, soybean meal, a Chinese herbal medicine additive, ginger flour, a premix, corncob, Chinese wildrye, dry pomace and the like. The beef cattle feed contains rich protein, sufficient energy and various mineral substances, is free from hormone and chemical residues, can improve the appetite of cattle and enhance immunity of the organism, and has the functions of promoting growth of beef cattle and improving the production performance of beef cattle.

The invention relates to a lithium secondary battery cathode material and a preparation method thereof, and belongs to the technology of the lithium secondary battery cathode material. The cathode material is prepared from montmorillonite or organic modified montmorillonite, acetylene black and polyvinylidene fluoride. The preparation process of the cathode material comprises the following steps of: mixing the montmorillonite or the organic modified montmorillonite, the acetylene black and the polyvinylidene fluoride in mass ratio; putting the mixture into a mortar for grinding; adding N-methyl pyrrolidone in the mass ratio of the mixture; continuously grinding the mixture, and coating the mixture onto an aluminum foil; and drying the mixture in a blower drying oven and a vacuum drying oven in sequence to obtain the lithium secondary battery cathode material. The prepared lithium secondary battery cathode material has the advantages of high reversible specific capacity, good dimensional stability in the process of charging and discharging, low price, availability, large scale production and wide application prospect.

The invention discloses a light-type full-hydraulic drilling machine for underground drilling of a coal mine. The light-type full-hydraulic drilling machine comprises a stander, a drilling rod, a water braid, a guide rail, a propelling hydraulic cylinder, a hydraulic clamp and a drill power head, wherein the hydraulic clamp comprises a clamp base, a supporting seat, a clamping hydraulic cylinder and a clamp clamping tile; the water braid comprises a water braid shell, a water braid shaft, a water braid hollow shaft, two anti-abrasion ring, an isolating ring, a front end cover, a rear end cover and an anti-abrasion sealing ring; the drill power head comprises a speed reduction box body, a connection frame, a gear shaft, a hollow stepped shaft, a hydraulic motor, a spring mounting seat, a spring limiting seat, an end face check ring, a gear, a disk-type spring group, a power head clamping tile and a clamping hydraulic cylinder. The light-type full-hydraulic drilling machine is compact in structure, convenient and low in cost; the energy consumption is reduced, the power transmission efficiency is improved, and the clamping force on the drilling rod is stable and reliable; the service lives of the anti-abrasion sealing ring and the water braid shaft can be prolonged, the replacement trouble is reduced, the construction progress and safe production are guaranteed, vibration of the drilling machine is reduced, and the drilling rod is prevented from being broken.

The invention discloses an automatic buckling device used for buckling connection between a battery connector and a battery test board. The above mentioned device comprises a support, in which is arranged installation space; a device bench disposed on the top part of the support; a tool provided with a battery and a battery test board; a tool shifting mechanism, a battery test board clamping mechanism, a battery flat cable shaping mechanism, and a buckling mechanism, which are disposed on the device bench. The tool can be used to clamp and fasten the battery and the battery test board, and the tool shifting mechanism can be used to move the tool to the working station, and then the battery test board clamping mechanism and a CCD assembly can be used to complete the positioning calibration, and in addition, a flat cable guiding mechanism can be used for the connector flat cable shaping and guiding, and at last the buckling mechanism can be used for the automatic buckling connection between the battery connector and the battery test board, and therefore the automation and the mass production of the battery test can be realized.

The invention relates to a manufacturing method for a novel aluminium alloy cable. The method comprises the following main manufacturing steps of: drawing single wires; stranding wire cores; performing heat treatment on the wire cores; performing resistance detection on conductors; extruding insulating layers; crosslinking the insulating layers; performing an insulating hot-prolongation test; performing insulating spark verification; stranding the wire cores into a cable, filling, and lapping an isolating layer; extruding a metal protecting sleeve; cooling the metal protecting sleeve; performing flaw detection on the metal protecting sleeve; embossing the metal protecting sleeve; extruding a non-metal outer protecting sleeve; and performing spark verification on an outer protecting layer. The novel aluminium alloy cable manufactured by adopting the method disclosed by the invention is excellent in flexible performance, conductive performance, low-temperature-resistant performance, heat-resistant performance and mechanical performance, and much superior to common aluminium alloy cables in current-carrying capability, fireproof performance and waterproof performance.

A temporary support method for an excavation roadway, which solves the problems existing in the existing excavation roadway operation, such as empty roof operation, broken roof due to repeated support, and low operation efficiency, including when the retractable temporary support of the excavation roadway is used in conjunction with the roadheader. For the temporary support of the exposed roof of the new excavation of the roadheader, the retractable temporary support of the tunnel is used to assist the permanent support of the roadway. The method is reasonable in design, mature and reliable in technology, and the support equipment is stable and safe. The operation method is called continuous excavation and continuous anchoring and protection operation, which reduces the preparation time wasted between the two processes of excavation and anchoring and protection, significantly improves the efficiency of excavation and anchoring and protection, and realizes temporary support for the newly exposed roof of the excavation working face. protection to improve the safety of the excavation face.

The invention discloses a voltage-time feeder automation control method based on primary station control strategies. The method includes the steps of firstly, configuring a distribution automation primary station, namely configuring criterion conditions of 'remote switching on' of the distribution automation primary station; secondly, fault tripping, namely switching off all voltage-time switches on a distribution line and starting count down; thirdly, fault separating, namely simultaneously locking voltage-time section switches on two sides of a fault point to realize fault section separation; and fourthly, recovering power supply, namely sequentially switching on voltage-time section switches, from voltage-time section switches near a converting station to voltage-time section switches distant from the converting station, on the distribution line with the fault point to realize power supply of non-fault areas. By modifying distribution automation primary station control strategies, coordination of single shot reclosing of the voltage-time feeder automation and the converting station is achieved, safety and reliability of distribution lines are improved greatly, production and living power of factories and residence are guaranteed effectively.

The invention discloses an integral high-strength flexible support method of a roadway at a large-inclined angle coal-seam longwall mining section. The method comprises the following steps: 1. mining a first coal-mining section / working face; 2. supporting and mining a second coal-mining section / working face: opening up a return-air driftway and a haulage driftway, supporting the return-air driftway by a flexible roadway support system, stoping the second coal-mining section / working face and weakening the supporting action of protective coal pillars at the section on a roof, and carrying out top coal caving mining so that the two coal-mining sections / working faces form an integral working face; 3. supporting and mining next coal-mining section / working face; 4. repeatedly supporting and mining until all the coal-mining sections / working faces are completely supported and mined at the same stage; and 5. mining for next stage and rearranging the flexible roadway support system. The flexible support method has the advantages of reasonable design and low cost, and the flexible roadway support system has a good application effect, thus solving the instability problem of a 'roof-support-floor' system in an upper area of the working face during the large-inclined angle coal-seam mining process.

The invention discloses a castable for a ladle deslagging plate, and a preparation method and an applicable of the castable. The castable for the ladle deslagging plate comprises the following components in parts by weight: 50-70 parts of mullite, 10-20 parts of andalusite, 10-20 parts of bauxite powder, 3-5 parts of pure calcium aluminate cement, 4-6 parts of aluminum oxide micropowder, 3-5 parts of silicon carbide micropowder and 2-3 parts of compound additive, wherein the compound additive is a combination of two or more of organic fiber, steel fiber, and sodium tripolyphosphate or sodium hexametaphosphate. When the castable is cast on the outer surface of the ladle deslagging plate, the service life of the ladle deslagging plate can be prolonged and the preparation cost can be reduced; and the preparation method of the castable for the ladle deslagging plate is simple, and easy to operate.

The invention discloses a process for producing a thistle board by using desulphurization gypsum and natural gypsum, which comprises three process steps of milling, pulping and board making. The method uses the desulphurization gypsum and the natural gypsum according to certain proportion, reduces energy consumption of a manufacturing technique of the natural gypsum, effectively adjusts the grain composition of building gypsum powder, reduces the resource consumption while ensuring the normal production and the product quality of the thistle board, protects natural minerals and the environment, and achieves better effect of comprehensive utilization of resources.

The invention relates to the field of wire-arranging technology of a multi-head wire-rewinding machine, in particular to a wire-arranging mechanism of the multi-head wire-rewinding machine and a numerical control wire-arranging method. The wire-arranging mechanism of the multi-head wire-rewinding machine comprises a stander, a PLC controller, a screw rod driving device, wire-arranging guide wheels, a reversing guide wheel and a wire-arranging guide wheel driving device, wherein the wire-arranging guide wheel driving device is connected with the wire-arranging guide wheels; the screw rod driving device comprises a screw rod, a screw rod nut, an approach switch, two screw rod bearing seats, two synchronous belt pulleys, a synchronous belt and a constant speed motor, wherein the screw rod nut is connected with the wire-arranging guide wheel driving device; the PLC controller is connected with the approach switch and the constant speed motor; and the PLC controller is provided with a forward rotation monitoring timer, a reverse rotating monitoring timer, a millisecond-level reversing timer and a speed increasing and reducing timer. The invention not only reduces the interference amongwires and the production accidents and improves the wire-arranging quality and finished product wire quality, but also simplifies the structure, is easy for operation and reduces the manufacturing and maintaining costs.

The invention relates to an anti-icing cable applicable to ice rain atrocious weather and matched auxiliary facilities with anti-icing property. The anti-icing cable of the invention is characterized in that the cable is sleeved with an anti-icing sleeve, a clearance is reserved between the inner surface of the anti-icing sleeve and the surface of the cable, and the anti-icing sleeve can rotate relative to the cable. An insulating bottle for field power transmission is characterized in that the easy-icing surface of the insulating bottle is provided with the anti-icing sleeve. An anti-icing field metal tower body is characterized in that the surface of an easy-icing part of the tower body is provided with an anti-icing element. A method for arranging the anti-icing sleeve or the anti-icing element on the easy-icing part of the cable, the insulating bottle or the tower body effectively prevents the surface from icing, greatly reduces the heat exchange with the outside, and effectively prevents the icing phenomenon caused by heat absorption after rainwater is directly contacted with the cable, the insulating bottle or the tower body.

The invention provides a method for determining wind power generation blade structure defects by supersonic wave A scanning. The method comprises preparing several contrast test blocks from a material the same as a material of a wind power generation blade, respectively detecting the contrast test blocks by supersonic wave A scanning to obtain a complete part oscillogram with a characteristic wave group and a defect part oscillogram, and comparing an oscillogram of a part to be detected and the complete part oscillogram or the defect part oscillogram to obtain detect information of the part to be detected of the wind power generation blade to be detected. The method provided by the invention is simple and reliable and is suitable for detection of the wind power generation blade with a resin-based glass fiber composite material structure.

The invention discloses a method for producing nosiheptide from active streptomyces by virtue of fermentation. The method comprises the following three steps: performing spore culture on a slant culture medium, performing strain culture on a seed tank culture medium, and performing fermentation on a fermentation tank culture medium; and culture or fermentation parameters of each step are optimized. Compared with the prior art, by adopting the method disclosed by the invention, the activation of active streptomyces can be optimized, and the biological activity of the active streptomyces can be improved by virtue of different stages of culture; and the yield of nosiheptide can be increased by more than 60%.

The invention discloses an environmental reconstruction subsection medium-length hole subsequent filling mining method which is mainly suitable for ore rock crushing and thick or extremely thick inclined ore body stopping. An ore body is divided into disc areas and ore blocks, the ore blocks are divided into first-step stopes and second-step stopes, and stopping is conducted through two steps. Themethod comprises the steps that firstly, the first-step stopes, ore bodies in the range of top columns arranged on the upper portions of the second-step stopes and ore bodies at the bottoms of the second-step stopes are stoped by adopting a drift-and-fill method, and filling is conducted by adopting high-strength cemented filling bodies; secondly, disc ore bodies on the first-step stopes and thesecond-step stopes are stoped by adopting the drift-and-fill method; and lastly, the second-step stopes are stoped by adopting a staged deep-hole empty-field subsequent filling method. The environmental reconstruction subsection medium-length hole subsequent filling mining method has the advantages that the stopping operation safety is good, the production capacity of the stopes is high, the production cost is low, and the ore body production condition change and horse stone adaptability is good.

The invention discloses a breeding method of a hybrid rice two-line sterile line with leaves carrying white midribs. The breeding method comprises the following steps: with Zhe midrib rice as a male parent and a rice variety of the two-line sterile line as a female parent, hybridizing to obtain F1-generation seeds; selfing the F1-generation seeds; performing back-crossing on fertile rice plants with excellent characters and white midribs, which are selected from an F2-generation plant, and the rice variety of the two-line sterile line to obtain BC1F1-generation seeds; performing back-crossing on an excellent fertile plant which is selected from the BC1F1-generation seeds, and the rice variety of the two-line sterile line to obtain BC2F1-generation seeds; repeating selfing and back-crossing, performing one-time selfing after continuous back-crossing for twice, and performing back-crossing for the last time; and selfing later generations obtained after the last-time back-crossing, selecting sterile single plants with leaves carrying white midribs and excellent characters from the selfed later generations, and developing breeding of a system to obtain the hybrid rice two-line sterile line. In the sterile line obtained by the invention, the marked characters are expressed in the midribs of the leaves only, without influencing the economical characters; hybrids can be simply rejected, and the purity can be identified.

The invention discloses a biodegradable straw and a preparation method thereof. The straw comprises, by mass, 50%-80% of polylactic acid, 10%-40% of polyhydroxyalkanoate, 3%-12% of bamboo powder, 1%-2% of epoxidized soybean oil, 0.3%-1% of an aluminum-titanium coupling agent, 0.1%-1% of a lubricating agent and 0.1%-1% of an anti-hydrolysis agent. The preparation method comprises the following steps: uniformly stirring the bamboo powder and the aluminum-titanium coupling agent to obtain a bamboo powder pretreated material for later use; sequentially adding the epoxidized soybean oil, the bamboopowder pretreated material, the lubricant and the anti-hydrolysis agent into a resin mixture of the polylactic acid and the polyhydroxyalkanoate at a stirring speed of 100-250 r / min, and uniformly stirring to form a polylactic acid mixture; and adding the polylactic acid mixture into double-screw extrusion equipment, extruding a straw blank, and sequentially carrying out water cooling, air cooling, water removal and cutting on the straw blank under the traction of traction equipment to obtain the biodegradable straw product. The biodegradable straw material can effectively prolong the degradation time of the PLA straw, improve the mechanical properties of the PLA straw, and effectively improve the harmful bacterium inhibition ability of the straw.

The fertilizer specially for water melon has total nutrient of 30-35 %, N, P2O5 and K2O ratio of 12-13 to 6-8 to 12-14, and special additive. Applying the fertilizer can raise the yield and quality of water melon obviously.

The invention belongs to the technical field of fault detection, and particularly relates to a wind turbine blade image damage detection and positioning method. Based on a deep convolutional neural network, the method comprises two processes of model training and damage detection and positioning. According to the invention, the wind turbine blade images shot by the unmanned aerial vehicle and themonitoring camera can be automatically interpreted, and multiple types of wind turbine blade damage can be efficiently and accurately recognized and positioned. Blade damage evaluation and early warning are achieved, the frequency of accidental shutdown of the wind turbine caused by blade faults of the wind turbine is reduced, and the operation and maintenance cost of the wind turbine is reduced.The invention has the advantages of high recognition speed, high precision, full-automatic process, low operation threshold and the like, and makes up the defects of low efficiency, high misjudgment rate, time and labor waste and the like caused by manual operation in the traditional method.

The invention provides an artificial breeding method of a locust. The method is characterized in that geographical place is selected, wherein the place has sufficient sunlight, good drainage, and is in peace, in east-west direction, and far away from a cotton field, an orchard and other places to which pesticides are generally applied, so as to prevent locust from poisoning and death as well as facilitate water drainage in the rainy season. The breeding method is easy to master, simple to manage, free of limitation from area, suitable for all people to breed, and low in requirements on operators; the feed in the method includes maize, wheat, corn seedling and some monocotyledons, so that the feed is low in price, and the breeding cost is low; the locust reproduction rate is high, the reproduction cycle is short, and the economic benefit is high; the building adopted in the method is a greenhouse which is simple to construct and low in cost; proper place benefits the breeding; in addition, a rainproof layer covers the outer side of the greenhouse, so that the locust can be effectively prevented from being influenced by natural rainwater, and the production and survival rate can be ensured.