325results about How to "Curb spread" patented technology

The invention discloses a compound microorganism liquid bacterial fertilizer for preventing plant diseases and insect pests and a preparation method of the compound microorganism liquid bacterial fertilizer and belongs to the technical field of microorganisms. The bacterial fertilizer comprises raw materials of, by weight, 10-20 parts of paprika powders, 10-20 parts of chilli powders, 5-15 parts of ginkgo leaf powders, 5-15 parts of chinaberry powders, 5-15 parts of lightyellow sophora root powders, 20-40 parts of mashed garlic, 40-80 parts of molasses, 4-8 parts of soybean meal, 5-15 parts of calcium sulfate, 5-15 parts of magnesium chloride, 5-10 parts of salt, 5-15 parts of photosynthetic bacterium strains, 5-15 parts of saccharomycete strains, 5-15 parts of lactic acid bacterium strains, 5-15 parts of streptomyces jingyangensis strains, 5-15 parts of bacillus subtilis strains and 800 parts of water. According to the compound microorganism liquid bacterial fertilizer, probiotic floras which are screened and are capable of coexisting are used for fermenting plant leaching agents of pepper, chilli, ginkgo leaves, chinaberry, lightyellow sophora roots and garlic, the plant leaching agents are capable of expelling and killing the insect pests and harmful bacteria, the compound microorganism liquid bacterial fertilizer has the advantages of being high in content of live bacteria of probiotics, high in activities, high in stability, small in using amount of plant materials, fast in acting effects, non-toxic and environment-friendly, and has wide application prospects in agricultural planting.

The invention relates to a quick regenerating method for vegetation of returning farmland to grassland zone in extremely cold areas, which comprises the following steps of: (1) mixing and seeding annual pasture oat and perennial pasture on the farmland returning to grassland zone, and building an artificial pasture integrating mowing and grass seed harvesting functions; (2) ploughing and raking the artificial pasture; (3) sowing the seeds and applying base fertilizer; and (4) mowing the oat forage grass in the first year and harvesting the grass seeds and mowing the perennial pasture in the second year or later after covering and compacting the grass seeds in the step (3). The method utilizes the annual oat and perennial pasture to form different biotypes of pasture mixing and seeding community, so that the weed spreading can be obviously suppressed, the soil humidity and air humidity are obviously improved, the evaporation capacity and water loss and soil erosion intensity are reduced, therefore, the soil exposure time is short after regeneration of the grassland zone, the vegetation covering is quick, the water retention and preservation of soil moisture effect is obvious, and the ecological and economic benefits are remarkable.

The present invention is recompounded microbe germicide for preventing and controlling banded sclerotial blight and green smut of rice. The recompounded microbe germicide is recompounded through thefermentation culture of Bacillus subtilis and recompounding the fermented liquid with certain content of Bacillus subtilis and Jinggangmeisu. It is used in preventing and controlling banded sclerotial blight and green smut of rice in field via utilizing the complementary superiority of Bacillus subtilis and Jinggangmeisu. It has high functions of preventing and controlling banded sclerotial blight and green smut of rice, less influence on rice quality, stable germicidal effect and long preservation period.

The invention discloses an adult monochamus alternatus hope attractant, which belongs to the technical field of prevention and control of pests. The attractant is characterized by comprising 95 percent alpha-pinene and 40 percent aldehyde in the volume ratio of (1-5):1. In the adult monochamus alternatus hope attractant, the 95 percent alpha-pinene serving as an active ingredient and the 40 percent aldehyde serving as a synergistic substance are compounded, so that the attracting effect of the attractant is enhanced greatly and the trapping quantity of adult monochamus alternatus hopes in a feeding period accounts for 70 percent of the total trapping quantity; moreover, the attractant has the advantages of simple production process, low cost, environmental friendliness and the like, is safe, can effectively control the woodland population density of monochamus alternatus hopes and prevents the spreading and the transmission of pine wilt disease.

The present invention provides a histogram equalization method based on boundary. Said method includes the following steps: 1. calculating brightness value of video image; 2. fetching edge point of image brightness graph; 3. making histogram equalization to obtain gray-level mapping function; 4. for gray-level mapping function adding control factor; and 5. for brightness image making gray-level conversion.

The invention provides a method and a system for processing the image of a diseased fish body. The method for processing the image of a diseased fish body comprises the following steps: obtaining the image of the diseased fish body; obtaining the image of a fish body zone from the fish body image; obtaining an abnormal target zone image from the image of a fish body zone; and removing a non-speck target zone image from the abnormal target zone image to obtain a speck target image. According to the method and the system for processing the image of a diseased fish body, the corresponding speck target image of the speck of the diseased fish can be quickly and accurately obtained to provide basis data for automatically recognizing fish diseases by a computer, so that a technician can conveniently know the specific situation of the diseases of the diseased fish to take measures in time so as to prevent the fulminating disease of aquaculture fish from being spread, thereby lowering loss brought by the fulminating disease of aquaculture fish. In addition, the method for processing the image of a diseased fish body is simple to operate and has good adaptability.

The invention relates to an expansive waterborne fireproof and flame-retardant coating for a wood material and a preparation method of the expansive waterborne fireproof and flame-retardant coating. The coating comprises water and the following components in parts by weight: 200 parts of melamine-modified urea resin emulsion, 110-120 parts of ethylene-vinyl acetate copolymer emulsion, 20-24 partsof boric acid, 36-38 parts of ammonium polyphosphate, 20-24 parts of guanylurea phosphate, 36-40 parts of pentaerythritol, 30-34 parts of melamine, 1.0-1.4 parts of sulfonated carbon, 3.6-4.0 parts ofzinc borate, 2.0-2.4 parts of ammonium octamolybdate, 16-20 parts of coating auxiliaries and 0-44 parts of pigment and filler. When heated, the expansive waterborne fireproof and flame-retardant coating is capable of greatly retarding the combustion of the wood material so as to prevent fire spreading; and the expansive waterborne fireproof and flame-retardant coating has good smoke inhibiting property and is capable of delaying the smoke generation time, reducing the release amount of smoke and the generation of poisonous gases and providing more safety time and space for escape and rescue of personnel under the condition of a fire hazard.

The invention provides a column diagram balancing method for processing boundary point, which is the method for processing the edge image pixels but not all image pixels, thus effectively restraining the spreading of background noise and effectively maintaining certain grayscale level not to be merged. At the same time, the image strengthening effect is controlled by a method for adding a control factor so that the typical value of the image has no far more difference with the typical value of the original image.

The embodiment of the invention discloses an overload protection method for a distributed system. The method comprises that when receiving a user request from a request end, a load balancing server receives adds a time stamp to the user request and forwards the user request provided with the time stamp to a rear-end business server; when receiving the user request provided with the time stamp, the business server acquires the time stamp and determines whether an interval between the local system time and the time stamp reaches a preset time length; and if yes, the business server discards the user request as an invalid request. Correspondingly, the embodiment of the invention also discloses a load balancing server and a business server. The method may control the spread of invalid user requests so as to improve system processing efficiency.

The invention discloses FISH probe groups for detecting a novel coronavirus SARS-CoV-2. The probe groups comprise at least two fluorescent probe groups among a first fluorescent probe group taking anS gene as a target, a second fluorescent probe group taking an E gene as a target, a third fluorescent probe group taking an M gene as a target, a fourth fluorescent probe group taking an ORF 3a geneas a target, a fifth fluorescent probe group taking an N gene as a target, and a sixth fluorescent probe group taking an ORF 1ab gene as a target. In the at least two fluorescence probe groups, fluorescence molecules labeled by at least one fluorescence probe group have a fluorescence emission spectrum different from that of the other fluorescence probe groups. The FISH probe groups have high specificity and sensitivity, can realize positioning detection of SARS-CoV-2 in a to-be-detected sample, obtain the distribution and relative quantification conditions of the SARS-CoV-2, are an effectivesupplement for novel coronavirus nucleic acid detection, and have important clinical application value.

The invention belongs to the technical field of pig farm environment monitoring and disease prediction systems and control methods, and particularly relates to a pig farm environment monitoring control and disease prediction and pre-warning system and a control method. The system and the method mainly solve the problem that a disease prediction function lacks in pig breeding in the prior art. The pig farm environment monitoring control and disease prediction and pre-warning system comprises a control host, a man-machine interface, a short message sending device, a short message receiving terminal, a temperature and humidity sensing transmitter, an ammonia concentration sensing transmitter, a ventilator, a water screen machine, an ammonia removal machine and a heating boiler, the signal output end of the temperature and humidity sensing transmitter and the signal output end of the ammonia concentration sensing transmitter are connected with the input end of the control host, the control host is connected with the man-machine interface and the short message sending device through a communication cable, the short message sending device is connected with the short message receiving terminal, and the output end of the control host is further connected with a controller of the ventilator, a controller of the water screen machine, a controller of the ammonia removal machine and a controller of the heating boiler so as to control work of the ventilator, the water screen machine, the ammonia removal machine and the heating boiler.

The invention discloses a building outer face fire simulation apparatus, characterized by comprising: a multi-layer combustion chamber, a simulated side wall, a moving platform, an armored thermocouple probe, a heat radiation flux measuring instrument, a thermocouple patch, a glass frame, sunlight-controlled film-coated glass, simulated combustibles, a water-cooled heat flow meter, an axial fan, a DV camera, and a telescopic fireproof cornice. The multi-layer combustion chamber is formed by the lamination of two combustion chambers. The simulated side wall is combined with the wall faces with windows to form a U shaped structure. The telescopic fireproof cornice is arranged at the upper part of the lower-layer combustion chamber's windows. The apparatus of the invention can be used in the research on the fire spreading condition of the outer wall face of a high rise building under the action of an environmental wind, the research on the development characteristics of the fire flames and the smoke plume under the restrictive condition of the side wall as well as the characteristic rule of a secondary fire generated from the fire overflow at the outer side of the building into the upper layer combustion chamber, so as to provide reference to fire prevention designs for similar buildings.

The invention discloses a smoke suppression type dry powder extinguishing agent. The smoke suppression type dry powder extinguishing agent comprises, by weight, 60-70 parts of ammonium phosphate, 10-15 parts of bentonite, 12-14 parts of aluminium hydroxide, 8-9 parts of magnesium hydrate, 2-4 parts of C6-Fluoroketone, 2-3 parts of diphosphopyridine nucleotide, 2-3 parts of nitric acid dyhydroxy bismuth, 2-3 parts of graphite powder and 1-2 parts of inorganic silica gel. The invention further discloses a preparation method of the smoke suppression type dry powder extinguishing agent. By means of the dry powder extinguishing agent, the defect that an existing dry powder extinguishing agent is used for putting out of fire, the amount of smoke is large can be overcome.

The invention relates to a bacillus subtilis for preventing and controlling Chinese herbal medicine soil-borne diseases and a preparation method of a bactericide thereof, in particular to a bacillus subtilis and a preparation method of the bactericide thereof. The bacillus subtilis X1 for controlling the Chinese herbal medicine soil-borne diseases is Bacillus with a preservation number of CGMCC No.4037 and a preservation date of 26th, July 2010. The bactericide is prepared by the following steps: inoculating an activated strain to a NYD fluid nutrient medium for enrichment culture to obtain a sterilized solution with 2-4 billion/millimetre in bacterial count concentration. The bacillus subtilis X1 of the invention is a bio-control bacterial strain which is provided with high control effect on the soil-borne diseases and the bactericide can enjoy a prevention rate of 60-80% on the Chinese herbal medicine soil-borne diseases including ginseng root rot, sclerotiniose, North China fritillary sclerotiniose, Schisandra chinensis root rot, seedling blight and the like. The bactericide bio-control preparation is safe and environment-friendly and does not damage drug resistance of nontarget organisms and inductive pathogenic bacteria.

The invention provides a liquid medicine coating method and coating device. In order to eliminate the coating application unevenness which arises in a applied liquid medicine by disposing liquid stopping means capable of sufficiently stopping the liquid medicine spreading by flowing on a substrate when the liquid chemical is applied to the substrate of a large size, like a glass substrate for liquid crystals. Characterized in that, the flange part 1 includes conveyance rollers 5 for conveying the substrate 6, a dripping nozzle 7 for dripping the liquid medicine onto the substrate 6 under conveyance, a roller 10 (first liquid medicine stopping means) arranged closer to the upstream side position relative to the progressing direction of the substrate than position of the dripping nozzle 7; and an air knife 8 arranged closer to the upstream side position relative to the progressing direction than the roller 10 (total liquid medicine stopping means).

The invention relates to a natural ventilation and natural smoke extraction system for an urban road tunnel. At the top of the road tunnel, ventilating shafts are arranged at intervals distance L, and each ventilating shaft enables the inner space of the tunnel to be communicated with the upper air outside the tunnel, the longitudinal length along the tunnel of the ventilating shaft at the top is W; a buried section is mounted between two adjacent ventilation shafts, a wedge structure is formed at the top of the buried section, the thickness of the wedge structure means the vertical distance H between the lowest point of the wedge structure and the bottom of the ventilation shaft. The natural ventilation and natural smoke extraction system fully utilizes the traffic wind power and the buoyancy of smoke gas, completely abandons the mechanical ventilation and mechanical smoke extraction scheme, thus saves a great deal of operational energy consumption. The smoke extraction has no flow disturbance caused by a fan in the exhaust process, and the smoke layer structure is stable, thus the exhaust smoke will not diffuse throughout the tunnel. The natural ventilation and natural smoke extraction system is utilized to escape, evacuate and rescue.

The invention discloses a fireproof foam board and a production method thereof. The fireproof foam board comprises a waterborne binding agent solution, polystyrene particles, magnesia, talcum powder, wood powder and a foaming agent in volume ratio of 0.3:1:0.2:0.05:0.1:0.0005, wherein the waterborne binding agent solution is prepared from water and a waterborne bonding agent according to the volume ratio of 1:450; weighing various materials according to the formula; feeding the wood powder in the waterborne binding agent solution firstly; uniformly stirring and pouring the magnesia and the talcum powder; uniformly stirring and feeding the foaming agent for foaming; after foaming, enabling the mixture and the polystyrene particles to simultaneously enter the interior of a special stirrer and uniformly stirring; after pouring the stirred mixture in a die and applying pressure of 400kilos, pushing the mixture in a greenhouse with 40DEG C and drying for one hour; and finally demoulding and cutting into boards with a certain specification by using a dicing saw. The fireproof foam board using polystyrene foam has the characteristics of excellent heat-insulating performance, reasonable formula, reached A-level fireproof property, environment protection, no pollution, and simple producing and mounting method.

The invention relates to a low density check code decoding method based on outer information symbol variation, belongs to the communication system channel error correcting and decoding technology field. The method comprises: judging whether the hard decision vector of the signal satisfies the verification equation, if satisfies, decoding successively, otherwise, starting the iteration decoding; summing up the initial soft information and outer information of all the verification nodes connected to the last iteration decoding to obtain the information transmitted from the information node to the verification node in the first iteration decoding process; performing symbol comparison to the information and the information transmitted to the verification node in the last iteration, if they are same, transmitting the information to the verification node, otherwise, multiplying the information by alpha and transmitting to the verification node; the verification node obtaining new soft information utilizing the information; and performing hard judging to the new information, if it satisfies the verification equation, decoding successively; otherwise, going to next iteration. The invention alleviates the problem of decoder un-convergence caused by error symbol number fluctuation in the current soft information based iteration decoding methods.

The invention discloses a preparation method of an organic acid plant soil conditioner. The preparation method comprises the following steps of: carrying out filtering as well as evaporation and concentration on yellow water, a by-product of white wine fermentation; fully mixing and dissolving glucoses, (NH4)2SO4, KH2PO4, MgSO4.7H2O, MnSO4.H2O, NaCl and CaCO3 in the processed yellow water, and then carrying out high-temperature sterilization on the obtained solution; and feeding fermentation mother liquor subjected to sterilization to a mixed strain fermentation liquor to be subjected to fermentation for 24 to 48 hours, and bottling the obtained solution by an aseptic filling machine, wherein the mixed strain fermentation liquor is prepared by mixing rhodop seudomonas palustris accounting for 2wt%-5wt% of the fermentation mother liquor, pseudomonas fluorescens accounting for 2wt%-5wt% of the liquor, azotobacter chroococcum accounting for 2wt%-5wt% of the liquor, bacillus megatheriums accounting for 5wt%-10wt% of the liquor and bacillus mucilaginosus accounting for 5wt%-10wt% of the liquor.

The invention discloses a thermal insulation cotton and a preparation method thereof, and a battery module using the thermal insulation cotton, wherein the thermal insulation cotton contains a thermalinsulation material and a fire-retardant material, and can be placed between single cells in a battery module. The preparation method of the thermal insulation cotton comprises: mixing a thermal insulation material and a fire-retardant material, adding the obtained mixture to a solvent, adding a proper amount of a binder, stirring to obtain a mixed slurry, and carrying out pressing molding on theslurry to obtain the thermal insulation cotton. Compared to the thermal insulation cotton in the prior art, the thermal insulation cotton of the present invention contains the thermal insulation material and the fire-retardant material so as to simultaneously provide effects of effective thermal insulation and flame retardancy. According to the present invention, the preparation method has advantages of simple steps, low cost and easy mass production; and the thermal insulation cotton can be used in battery modules, can effectively inhibit the spread of the thermal runaway of the battery, canprevent the battery module from catching fire and explosion, and can remarkably improve the safety performance of the battery module.

The invention belongs to the technical field of chicken farm environment monitoring and disease forecasting systems and control methods, in particular to the chicken farm environment monitoring and disease forecasting system and the control method thereof. The chicken farm environment monitoring and disease forecasting system and the control method thereof mainly solve the problems that the chicken farm is low in automatic control efficiency and does not have a disease forecasting function. The chicken farm environment monitoring and disease forecasting system is composed of a control host, a human-computer interface, a short message sender, a short message receiving terminal, a temperature and humidity sensing transmitter, an ammonia concentration sensing transmitter, a ventilator, a water curtain machine, an ammonia eliminating machine and a heating boiler, the signal output ends of the temperature and humidity sensing transmitter and the ammonia concentration sensing transmitter are connected with the input end of the control host, the control host is connected with the human-computer interface and the short message sender through communication cables, the short message sender is connected with the short message receiving terminal, and the output end of the control host is further connected with controllers of the ventilator, the water curtain machine, the ammonia eliminating machine and the heating boiler to control the work of the ventilator, the water curtain machine, the ammonia eliminating machine and the heating boiler.

The present invention provides a refractory rubber composition in which foam maintains sufficient shape stability even when exposed to extreme heat, and which can impart excellent work efficiency to refractory covering materials obtained by molding the same. Fire resistant rubber composition. The present invention provides an unvulcanized fire-resistant rubber composition containing 10-60 parts by mass of a binder in 100 parts by mass of a base rubber component consisting of 30-50 parts by mass of liquid rubber and 50-70 parts by mass of butyl rubber , 10-100 parts by mass of heat-expandable graphite, 50-170 parts by mass of aluminum phosphite, 50-170 parts by mass of inorganic filler, 0.1-10 parts by mass of vulcanizing agent, 0.1-10 parts by mass of vulcanization accelerator, used in 60-100 parts by mass Kneading at 100°C. In addition, a refractory covering material formed from the refractory rubber composition, a refractory covering treatment method using the refractory covering material, and the like are also provided.