229results about How to "Solve difficult technical problems" patented technology

The invention belongs to organic fertilizer, and in particular relates to organic fertilizer for killing underground injurious insects and a preparation method thereof. The organic fertilizer comprises the following components in part by weight: 1000 parts of tobacco stalk, 25 to 30 parts of dry livestock manure, 5 to 10 parts of urea and 3 to 5 parts of solid high-efficient microorganism zymogeneous bacteria. The preparation method comprises the following steps that: the tobacco stalk is smashed; the livestock manure is dried and dehydrated; the urea is added to be uniformly mixed; the zymogeneous bacteria is inoculated; the moisture and the pH value are adjusted, fermentation stocks are piled up, and black plastic film covers the fermentation stocks, so the fermentation stocks are undertaken the anaerobic fermentation; after the temperature is increased, the stocks are turned for a plurality of times until the materials are fermented and matured and the size is reduced to two thirds of that of the original stocks; and the fermented stocks are naturally ventilated and dried and are bagged to store. The organic fertilizer has the advantages that the fertilizer efficiency is high, the underground injurious insects can be killed, the content of the organic colloid of the soil is increased after the application of the fertilizer, the fertilizer and water maintaining capacity of the soil is improved, the period of validity of the fertilizer is prolonged, and the probiotics in the soil can be compensated.

The invention provides a holothuria scabra artificial seeding breeding method. The method comprises the steps such as parent holothurian cultivating, induced spawning, spawn washing and hatching, larva cultivating, seedling collecting and childish holothurian cultivating, wherein spirulina powder, marine yeast, aquatic yeast and bacillus serve as bait, not only are bait sources convenient, but also the investment of single cell culture facilities is saved, meanwhile, manpower needed by single cell algae bait culture is saved, the holothurian seedling cost can be greatly saved, and the popularization of the holothuria scabra seedling breeding technology is facilitated. The substitutive bait is adopted to replace living single cell algae, invested funds of seeding facilities can be saved by about 25 percents, the human input of seeding can be saved by about 30 percents, and the ratio of the seeding input to the seeding output 1:3. Induced spawning is performed on the two days before or after the first day and the fifteenth day of a lunar month, the good effect of two times of spawn sampling in one month is achieved, the induced spawning success rate is 83.3 percents, and the technical problem that the induced spawning difficulty of holothuria scabra parent holothurian is high is effectively solved.

The invention relates to a comprehensive recovery method of waste CRT (Cathode Ray Tube) cone glass and belongs to the technical field of environmental protection. The comprehensive recovery method comprises the following steps: a, mixing, namely weighting waste CRT (Cathode Ray Tube) cone glass, lead-containing materials with the lead content of 3-60 percent and coke, and uniformly mixing to obtain a primary mixture; b, detecting and smelting, namely, detecting the weight contents of FeO, SiO2, CaO, MgO, Zn, S and Al2O3 in the primary mixture, and feeding to a smelting device after the weight contents in the primary mixture are qualified, and smelting to respectively obtain smelt lead, slag and dust; and c, carrying out ingot casting on the lead liquid to obtain a coarse lead finished-product. The comprehensive recovery method disclosed by the invention has the beneficial effects that the waste CRT (Cathode Ray Tube) cone glass can be effectively and comprehensively utilized and no environmental pollution is caused.

The invention discloses a distributed multi-hop wireless network clock synchronization method based on a mean field, and aims to solve the technical problem that a clock reference is difficult to determine in an existing distributed clock synchronization method. According to the technical scheme, the method comprises the following steps: realizing bidirectional time stamp exchange in a broadcast way firstly; making a clock difference overall effect between nodes be equivalent to a mean field; establishing a clock synchronization model of a network based on a spatial Markov random field; introducing a neighbor system and a clique potential according to the equivalence between the Markov random field and a Gibbs random field to obtain a clock synchronization energy function based on a mean field Ising model; and giving a clock synchronization algorithm adopting energy minimization optimization, namely, a whole-network clock distributed synchronization algorithm based on a mean field model. Through adoption of a whole-network clock synchronization method based on the mean field model, a whole-network virtual clock reference is determined through a mean action between the nodes, so that the technical problem that the clock reference is difficult to determine in the distributed clock synchronization method in the prior art is solved.

The invention discloses a resource utilization method of acid wastewater, which belongs to the technical field of comprehensive utilization of chemical engineering waste. The resource utilization method comprises the following steps of: adjusting the PH value of the acid wastewater to 4.5-7; b. adding a flocculating agent, and removing precipitates after settling; c. filtering the wastewater treated in the step b by a fiber ball filter and a precision filter so that the content of suspended matters is less than 1mg/L; d. carrying out electrodialysis to control the concentration of salts to be 101%; e. carrying out multiple-effect membrane distillation to control the concentration of salts to be 302%; and f. carrying out multiple-effect evaporation to control the concentration of salts to be 60-80%, and then crystallizing to obtain the product. The resource utilization method has the advantages that the resource utilization of the acid wastewater is realized, certain economic benefits are achieved, the treatment cost is low, and the technical problems that the cost of treating the acid wastewater by calcined lime or slaked lime is high, and generated waste residues are difficult to treat are solved.

The invention relates to the technical field of metal material surface modification, in particular to a method for plating a TC4 titanium alloy threaded surface with copper. The method sequentially includes the following steps of firstly, alkaline washing, secondly, water washing, thirdly, acid pickling, fourthly, water washing, fifthly, activating treatment, sixthly, water washing, seventhly, electroplating, eighthly, cleaning, ninthly, passivating and tenthly, cleaning and drying, wherein NaOH and Na3PO4 are dissolved in distilled water, and alkaline wash used in the first step is obtained; an acid pickling solution used in the third step comprises HF, HNO3 and H20; Na2Cr2O7 and HF are dissolved in distilled water, and activate fluid used in the fifth step is obtained; and CrO3, NaCl and H2SO4 are dissolved in distilled water, and a passivating solution used in the ninth step is obtained. The method is simple in process, convenient to implement, low in cost, easy to implement and high in production efficiency; and meanwhile, a modified threaded portion has the higher plastic shearing resistance and wear resistance, and the thread sticking problem is solved.

The invention relates to a preparation method of Pleurotus eryngii soup, which comprises the following steps: rinsing raw material Pleurotus eryngii in a rinser, pulverizing in a pulverizer, granulating in a granulator, making Pleurotus eryngii pulp in a pulping machine, decocting in a soup decocting machine for 3-6 hours to obtain Pleurotus eryngii soup, canning, sterilizing, inspecting on an inspection platform to obtain qualified products, and boxing. The invention solves the problems of low income in spite of high yield of Pleurotus eryngii, unnecessary economic loss for people due to rotting of the Pleurotus eryngii which is hard to store, and severe waste of Pleurotus eryngii leftover resources, and enhances the utilization ratio of the Pleurotus eryngii Pleurotus eryngii and the added value of the Pleurotus eryngii; and the Pleurotus eryngii soup is convenient to carry and eat, fully utilizes the pure natural nutritive value of the Pleurotus eryngii, can be absorbed by the human body more easily, and enhances the immunological competence of the human body. The invention has the advantages of simple technical production line, high production efficiency, low investment and high income, is economical and practical, has an active action on environmental protection, has wide market prospects, and is suitable for popularization.

The invention provides a tubular nano titanium dioxide pipe array photocatalysis reactor and a preparation method, relating to a photocatalysis reactor. The tubular nano titanium dioxide pipe array photocatalysis reactor and the preparation method provided by the invention are simple to operate and easy to realize industrial application. The photocatalysis reactor is provided with an ultraviolet lamp, a photocatalyst, 1-6 photocatalysis reaction zone channels, a submersible pump, a sewage input channel, a booster pump, a first sewage recycling channel, a first three-way switch, an air booster pump, a gas-conveying channel, a second three-way switch and a second sewage recycling channel. The preparation method comprises the following steps of: firstly preparing a vertically growing titanium dioxide nano pipe array as the photocatalyst; connecting the pieces one by one by using spot welding, and then rolling into a cylinder; constructing the titanium dioxide nano pipe array as the photocatalyst on the surface of a titanium foil rolled into the cylinder shape; and forming the tubular photocatalysis reactor, and finally assembling to obtain the tubular nano titanium dioxide pipe array photocatalysis reactor.

A parking lot way out guidance method disclosed by the present invention comprises the steps of when a vehicle is detected to drive in a parking lot, obtaining the identity information of the vehicle,and determining an account bound with the vehicle according to the identity information of the vehicle; recording a driving route to a parking stall after the vehicle enters the parking lot; when a leaving route request sent by the account is received, using the driving route as a leaving route to send to an intelligent terminal logged in account to display, thereby guiding the vehicle to leave.The present invention also discloses a parking lot leaving guidance system. According to the present invention, the technical problem that leaving the large-scale parking lot is difficult, is solved,the vehicle owners can leave rapidly according to the leaving routes, at the same time, the management cost of the parking lot is reduced.

The invention discloses a control mechanism of a high-rise building fire extinguishing bomb vehicle-mounted electromagnetic aircraft launch system. The control mechanism is used for solving the technical problem that an existing high-rise building fire extinguishing bomb launching system is poor in practicability. According to the technical scheme, the control mechanism comprises an electronic circuit, a guide shaft, a base, a primary coil, a secondary coil and a stress wave amplifier. The stress wave amplifier is fixedly connected with the primary coil, the primary coil is fixedly connected with a coil base, the guide shaft penetrates through the primary coil and a center hole of the coil base, the head of the guide shaft is fixedly connected with the secondary coil, a boosting transformer TM1 boots 380 V alternating current, through a rectifier bridge, the current is changed into direct current, a pulse capacitor C1 is subjected to charging, energy is stored in the pulse capacitor C1, a discharge silicon controlled rectifier M3 is triggered, the pulse capacitor C1 can instantly release the energy, stress waves are generated between the primary coil and the secondary coil, and aretransmitted to a fire extinguishing bomb through the stress wave amplifier, and the fire extinguishing bomb is shot out. The single-stage launching based on charging and discharging of the capacitoris adopted, control precision is high, and practicability is good.

The invention relates to a preparation method of pine mushroom soup, which comprises the following steps: rinsing raw material pine mushroom in a rinser, pulverizing in a pulverizer, granulating in a granulator, making pine mushroom pulp in a pulping machine, decocting in a soup decocting machine for 3-6 hours to obtain pine mushroom soup, canning, sterilizing, inspecting on an inspection platform to obtain qualified products, and boxing. The invention solves the problems of low income in spite of high yield of pine mushroom, unnecessary economic loss for people due to rotting of the pine mushroom which is hard to store, and severe waste of pine mushroom leftover resources, and enhances the utilization ratio of the pine mushroom leftovers and the added value of the pine mushroom; and the pine mushroom soup is convenient to carry and eat, fully utilizes the pure natural nutritive value of the pine mushroom, can be absorbed by the human body more easily, and enhances the immunological competence of the human body. The invention has the advantages of simple technical production line, high production efficiency, low investment and high income, is economical and practical, has an active action on environmental protection, has wide market prospects, and is suitable for popularization.

The embodiment of the invention provides a method and a system for deploying billing services, which are used for solving the technical problems of high deployment difficulty and long time consumptionin deploying billing services in the prior art. The method comprises the steps that dockers are installed on M servers, the M servers form a docker swarm cluster, and M is equal to 1; calling the docker swarm cluster, and generating a mirror image required for creating a Redis cluster service, a ZooKeeper cluster service, a RabbitMQ cluster service and a Tomcat cluster service; calling the dockerswarm cluster, and creating a cluster service corresponding to each application according to the mirror image corresponding to each application in the Redis, the ZooKeeper, the RabbitMQ and the Tomcat; and respectively associating the cluster service of the Tomcat with the cluster service of the Redis, the cluster service of the ZooKeeper and the cluster service of the RabbitMQ.

The invention relates to a cuprite vulcanizing strengthening method in mixed copper ore floatation. The method includes: aiming at mixed copper ore which is high in calcium and magnesium and high in oxidation rate and mainly contains cuprite, directly using xanthate for floating the copper ore, adding diiron trisulfate, hydrogen peroxide and ammonium persulfate to ore pulp containing cuprite after floatation, stirring for a long time to pre-oxidize the surface of the cuprite; adding ammonium sulfide and sodium sulphide for strengthening vulcanizing the surface of the cuprite; and adding xanthate collectors to cuprite ore pulp after strengthening vulcanizing for floatation so as to recycle copper oxide ore. Cuprous oxide of the surface of the cuprite is converted into copper oxide, vulcanizing activity is increased in terms of thermodynamics, and vulcanizing is strengthened. Ammonium sulfide and sodium sulphide combines to vulcanize the surface of the cuprite after pre-oxidation, utilization efficiency of drugs is improved. The problem that the cuprite is difficult to vulcanize is solved by surface pre-oxidation.

The invention discloses a silo flexible slip form torsion resistance construction device, which comprises a hoisting frame, an operation platform, a template and a combined torsion resistant column, and is characterized in that the combined torsion resistant column uniformly distributed around the silo wall includes supporting rods and connecting rods; the three supporting rod are arranged to form a regular triangle; and a regular triangle lattice column is formed by welding the three connecting rods between the three supporting rods. The connecting rods have a clearance of 350 to 400 mm, and are made of steel bars with 20mm as the minimum diameter. In the invention, the combined torsion resistant column is uniformly distributed around the silo wall, so as to solve the technical problems that large-diameter silo flexible slip form is easy to twist and difficult to correct in construction; appearance quality of the external silo wall is improved, and structural safety of buildings is enhanced; further the silo flexible slip form torsion resistance construction device is reasonably designed, has a simple structure, is convenient to operate, and has the low cost.

The invention relates to a preparation method of straw mushroom soup, which comprises the following steps: rinsing raw material straw mushroom in a rinser, pulverizing in a pulverizer, granulating in a granulator, making straw mushroom pulp in a pulping machine, decocting in a soup decocting machine for 3-6 hours to obtain straw mushroom soup, canning, sterilizing, inspecting on an inspection platform to obtain qualified products, and boxing. The invention solves the problems of low income in spite of high yield of straw mushroom, unnecessary economic loss for people due to rotting of the straw mushroom which is hard to store, and severe waste of straw mushroom leftover resources, and enhances the utilization ratio of the straw mushroom leftovers and the added value of the straw mushroom; and the straw mushroom soup is convenient to carry and eat, fully utilizes the pure natural nutritive value of the straw mushroom, can be absorbed by the human body more easily, and enhances the immunological competence of the human body. The invention has the advantages of simple technical production line, high production efficiency, low investment and high income, is economical and practical, has an active action on environmental protection, has wide market prospects, and is suitable for popularization.

The invention discloses a prepressing method for a hanging basket jack. To make the stress state of the pressure test loading process coincide with that of the practical construction work, the jack is adopted for conducting loading and prepressing to a hanging basket at the midspan of a beam bottom plate of a section 1#, namely a reaction frame is arranged on the end face of a web of a section 0#, by utilizing the opposite acting force of the reaction frame, the opposite acting force is transformed to the bottom plate of the hanging basket through the jack, a sleeper distributive girder or a square timber distributive girder and a wooden plate cushion for exerting the required prepressing load, the concrete load level of the heaviest section is simulated for conducting loading, the technical effects are achieved, namely the prepressing method for the hanging basket jack is convenient and timesaving, the consumption of material resources is little, it can be guaranteed that a pile cap foundation pit is backfilled timely, the construction of a block support foundation 0# is guaranteed, the bottom plate of the hanging basket is stressed more uniformly, the prepressing load of the hanging basket is closer to the practical construction conditions, the processing of the reaction frame and embedded components is simpler, and the operation is easier.

The invention discloses a textile machine bobbin, and relates to the technical field of textile machines. The textile machine bobbin comprises a cylindrical bobbin body, an axle hole penetrating through the two ends of the bobbin body is formed in the center of the bobbin body, a first edge disc and a second edge disc are arranged at the two ends of the bobbin body respectively, the axle hole extends to the outer side of the first edge disc and the outer side of the second edge disc, the first edge disc comprises an edge disc body fixedly connected with the bobbin body, grooves are formed in the edge part of the edge disc body, a yarn plugging rod is arranged in each groove, and the two ends of each yarn plugging rod are fixed to the two opposite side walls of the corresponding groove respectively. The textile machine bobbin solves the technical problems that yarns wound on the bobbin are prone to loosening and difficult to distinguish in the prior art. The textile machine bobbin is reasonable in structure and capable of preventing yarns from loosening, workers can distinguish the varieties of the yarns easily, production efficiency and the working efficiency of the workers are improved effectively, and the labor intensity of the workers is relieved.

The invention discloses a fuel storage tank for dry type storage of spent fuel of a nuclear power plant, which aims at solving the technical problem of higher difficulty in the top cap covering process under water in the existing fuel storage tank structure. The fuel storage tank comprises an opening container, a top cap and a sealing ring, wherein the top cap comprises a shielding cap and an air intake assembly, the shielding cap is matched with an opening of the container, and the air intake assembly is arranged on the shielding cap; a water drainage notch and an annular groove are dug in the shielding cover, and the annular groove is used for placing the sealing ring; the container comprises a bottom plate, a cylinder body, a water drainage assembly, a support structure and hanging lugs, one end part of the cylinder body is in sealed welding with the bottom plate, the water drainage assembly is arranged at the inside wall of the cylinder body, the support structure is used for supporting a fuel basket, and the hanging lugs are used for supporting the shielding cap; when the shielding cap is hung at and covers the other end part of the cylinder body, the air intake assembly is used for providing an air intake passage for the cylinder body, and the water drainage assembly is butted with the water drainage notch, and is used for draining the liquid out of the container. The fuel storage tank has the advantages that the operation difficulty in covering the top cap under water is decreased, and the spent fuel assembly can be reliably loaded and stored.

The invention relates to a smooth memory knitted fabric and a preparation method thereof. The smooth memory knitted fabric comprises an outer layer and an inner layer, the outer layer is composed of super fine denier polyester fibers, and the inner layer is composed of Modal fiber staple yarns and polyurethane fiber filaments. The preparation method includes that (1) after structural design, a weft knitting single-sided multi-needle-track high needle pitch knitting machine is used for weaving with weft knitting number 28-32G to obtain a knitted fabric, and (2) the obtained knitted fabric is subjected to presetting, pre-processing, polyester fiber dyeing, Modal fiber overdyeing, color fixing, water scrubbing, repeatedly setting and finally drying. The smooth memory knitted fabric has the advantages that the smooth memory knitted fabric is highly elastic, fine, smooth, quickly dry when absorbing water, antimicrobial, deodorant, not prone to deformation after washed, light, convenient and comfortable if a user wears clothes made of the fabric, and capable of overcoming defects of poor hand feel, creased cloth surfaces, insufficient wet permeability, tendency to stink and the like in terms of traditional fabrics.