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68results about How to "Control breeding" patented technology

Circulating cooling water bypass flow water treatment system and bypass flow water treatment method

The invention provides a circulating cooling water bypass flow water treatment system and a bypass flow water treatment method. The bypass flow water treatment system comprises a bypass flow water fetching unit, an electrochemical water treatment device connected with bypass flow water fetching unit, a cyclone hydraulic separator connected with the electrochemical water treatment device, and a sewage discharging unit connected with a sewage discharging port of a reaction chamber and a bottom flow port of the cyclone hydraulic separator, the electrochemical water treatment device comprises the reaction chamber, an anode arranged at the top end of the inside of the reaction chamber, a scraper positioned between the reaction chamber and the scraper and a driving device driving the scraper and positioned below the reaction chamber, and an overflow port of the cyclone hydraulic separator is connected with a circulating water system. The bypass flow water treatment system controls water quality to be within a proper range by controlling balance among water quantity, minerals, suspended matters and ecology, so that the problems of scaling, corrosion, the suspended matters and microorganisms in the circulating cooling water system are solved.
Owner:章明歅 +1

Sterilization method capable of preventing reverse osmosis membrane from being polluted and plugged by microbe

The invention relates to a sterilization method capable of preventing a reverse osmosis membrane from being polluted and plugged by microbe. The sterilization method mainly comprises the steps of adding an oxidizing sterilizing agent NaClO (5%) solution to a raw water tank continuously; adding a reducing agent NaHSO3 (35% W/V) solution continuously after ultra-filtration; removing residual chlorine thoroughly; controlling a pH value of inlet water at a reverse osmosis inlet between 7.1 and 7.4; monitoring and controlling ORP before a security filter between 200 mv and 300 mv; and sterilizing by carrying out preventative addition of a non-oxidizing sterilizing agent DBNPA solution with a concentration of 50 ppm continuously for one hour once every week in the above flow according to the quick killing characteristic of the non-oxidizing sterilizing agent DBNPA. Meanwhile, NaClO addition to the raw water tank is stopped. The sterilization method mainly takes use of the oxidizing sterilizing agent accompanied by two non-oxidizing sterilizing agents to carry out preventative sterilization alternatively, controls drug tolerance and resistance of the microbe, can effectively prevent and control propagation and excessive multiplication of the microbe on the surface of the reverse osmosis membrane, thereby preventing the reverse osmosis membrane from being polluted and plugged by the microbe.
Owner:INNER MONGOLIA YITAI CTO

Production method of rapid propagation nutritional paper for sprouting vegetables

The invention provides a production method of rapid propagation nutritional paper for sprouting vegetables. The production method comprises the following steps: (1) grinding tea seed cake, evenly mixing the ground tea seed cake with a 1% EM stock solution according to a mass ratio of (92-94):(8-6), adding clear water, adjusting water content to be 60-65%, and carrying out aerobic fermentation for 15-20 days to prepare a fermented material; (2) evenly mixing the fermented material prepared in step 1 with the 1% EM stock solution according to a mass ratio of 1:8, arranging the mixture into a fermentation tank for anaerobic fermentation for 3-5 days, and filtering to obtain nutritional fermented liquid; (3) adding zeolite powder into the nutritional fermented liquid, evenly mixing, arranging a hydrophilic non-woven fabric into a container which contains the nutritional fermented liquid, soaking for 10-12 hours, fully mixing 3-4 times during soaking, taking out the hydrophilic non-woven fabric which is soaked in the nutritional fermented liquid and adsorbed with the zeolite powder simultaneously, and drying to finally prepare the rapid propagation nutritional paper for sprouting vegetables. The sprouting vegetables produced by utilizing the nutritional paper provided by the invention meet green standards, and according to the production method, the production cost is low, and output and benefits are high.
Owner:南京希德林农业科技有限公司 +1

Antibacterial agent for sanitary napkins and preparation method thereof

InactiveCN102440241AEffectively control breedingControl breedingBiocideAbsorbent padsTriclosanSolubility
The invention provides an antibacterial agent for sanitary napkins. The antibacterial agent provided by the invention is made from the following raw materials of: by weight, 15-45% of a clathrate, 45-81% of a soluble starch, 2-8% of citric acid, 0.21-0.84% of sodium citrate, 1-2% of carbomer and 0.5-1% of potassium sorbate. The invention also provides a preparation method, which comprises the following steps of: preparing triclosan and cyclodextrin or its derivative into the clathrate by a coprecipitation method, mixing the clathrate with citric acid, sodium citrate, potassium sorbate, carbomer and the soluble starch, granulating, finishing, and finishing particles to obtain the antibacterial agent for sanitary napkins. The invention has the following beneficial effects: the Antibacterial agent for sanitary napkins is designed in allusion to safety risks during the application period of sanitary napkins and can effectively control microbial growth for up to 8 hours during the application period. Safe, high-efficiency and wide spectrum triclosan is selected as an antibacterial component. The beta-cyclodextrin clathrate compound is adopted to enhance the water-solubility of the antibacterial agent. The antibacterial agent provided by the invention has a substantial antibacterial effect and is long-acting.
Owner:TIANJIN SINOSH NEW MATERIAL TECH

Method for storing fresh cutting flowers of tree peony and herbaceous peony at critical ice temperature and uses thereof

The invention relates to a method for storing fresh cut-flowers of tree peonies and peonies at critical ice temperature, and application thereof. The method comprises the following steps: a bud of the tree peonies (peonies) is cut and cooled, after the afterheat is removed, the dirt on leaves is washed by water, and the water on surface is aired; a stem base of the flowering branch is subjected to water cutting, inserted in tree peony (peony) cut-flower pretreatment solution and precooled quickly; the stem base is placed into a polyethylene film package, and is arranged in a packing chest and moved to a refrigeratory for storage; and the cut-flower is taken out from the refrigeratory, subjected to staged temperature rise, and is put in a vase at the room temperature of between 25 and 30 DEG C. The method can effectively inhibit breathing of the tree peony (peony) cut-flower, control growth of bacteria, prevent the cut-flower from decaying, obviously prolong the freshness date, and improve the enjoyment quality of the cut-flower. The invention provides a method for storing the cut-flower of the tree peony (peony) with high efficiency, low cost and obvious preservative effect, and can also be used for storing cut-flowers of other plants.
Owner:HENAN UNIV OF SCI & TECH

Preservation method of red bayberries

The invention discloses a preservation method of red bayberries. The preservation method specifically comprises the following steps: picking 70-percent ripe red bayberries; spraying Chinese prickly ash liquid to the red bayberries; soaking the picked red bayberries with saline water for 5min-30min; filling a sealing bucket with the red bayberries in batches and in layers; injecting atomized boiled water into the bucket; putting the bucket into a boiler and carrying out high-temperature sterilization treatment; storing in a temperature and humidity regulation and control storage room for 2h-5h; uniformly irradiating the treated red bayberries under an ultraviolet lamp for 30s-60s; orderly putting the red bayberries into a fruit box according to a single-layer storing manner; sleeving the outer surface of the fruit box filled with the red bayberries with a polyethylene packaging bag, and carrying out vacuumizing treatment on the polyethylene packaging bag; and putting one bag of a drying agent composed of dried chilies and tea residues into each bag of the red bayberries subjected to the vacuumizing treatment, and putting the products into a refrigerating chamber for preserving. According to the preservation method of the red bayberries, the atomized boiled water is used for sterilizing, and the red bayberries are preserved through combining a plurality of types of treatment methods, so that the preservation problem is effectively solved and the method is safe and environmentally friendly, and has no side effect.
Owner:林泽

Double-vat type toilet septic tank

The invention provides a vat type toilet septic tank container, which is formed by connecting two vats in a communication mode of inclined insertion of a straight feces passing tube, can perform innocent treatment effect on feces, is suitable for industrial batch production and convenient to transport and install and can greatly reduce toilet reforming cost because each septic tank is only about 200 yuan. In order to solve the technical problem, the vat type toilet septic tank container comprises a front vat body and a rear vat body; the lower part of each vat body is provided with a bottom, while the upper part is provided with an opening, and the vat body can be sealed by a cover; the middle of the side face of the front vat body is provided with a hole; the upper part of the side face of the rear vat body is provided with a hole; and during installation, the two vat bodies are put in the same horizontal line, the feces passing tube adopts a straight tube inclined insertion mode, the lower end of the feces passing tube passes through the hole of the front vat body, the upper end of the feces passing tube passes through the hole of the rear vat body, the lower orifice of the feces passing tube is positioned at a lower 1/3 position of the front vat body, the upper orifice of the feces passing tube is about 100mm away from the vat opening of the rear vat body, and the lower orifice and the upper orifice form an angle of about 60 degrees.
Owner:李乃林

Breeding method for brachymystax lenok triploid fingerling

The invention relates to a breeding method for brachymystax lenok triploid fingerling. The breeding method comprises the following steps: in 15 to 20 min after fertilization, placing fertilized ova into a water bath at 17 to 20 DEG C, and carrying out transition for 1 min; then carrying out heat treatment in a water bath at 26 DEG C for 10 to 20 min; and carrying out incubation in an incubator with an incubation water temperature of 6 to 10 DEG C. The brachymystax lenok triploid fingerling can be obtained in about 30 days through the method provided by the invention. According to the invention, the fertilized ova reach an eyed rate of 80% or above and an incubation rate of 90% or above in an incubation period; and flow cytometer detection results show that a triploid rate of the fingerlingobtained by using the method provided by the invention reaches 100%. The breeding method for the brachymystax lenok triploid fingerling provided by the invention alleviates problems like high mortality of parent brachymystax lenok after propagation, slow growth speed and low disease resistance of young brachymystax lenok and low survival rate of juvenile brachymystax lenok in mouth-opening acclimation, has advantages like low cost and easy operation, and has good market value.
Owner:北京市水生野生动植物救护中心

Overall treatment method of microorganism in starch and starch derivatives

InactiveCN101747444AControl breedingDoes not affect physical and chemical indicatorsChemicalsRadiationDisinfectantEffective microorganism
The invention discloses an overall treatment method of starch and starch derivatives, which is performed by carrying out sterilization and bacteriostatic treatment on critical points in a pipeline, a receiver tank, a washer, a separation plant, a drying plant and farinaceous size; specifically the method comprises the following steps: using acid-base sterilization method in combination with disinfectant and employing soaking or slug flow method to sterilize the pipeline, the receiver tank and the washer the farinaceous size flows through; adopting an ultraviolet sterilization lamp to carry out farinaceous size surface sterilization on the receiver tank and a head tank; adopting disinfectant to carry out sterilization on the internal surface of a centrifugal machine; adopting chemical modification self sterilization method and adding disinfectant to carry out sterilization and bacteriostatic treatment on the farinaceous size; adopting the method for cleaning residual powder in combination with air-heater high temperature sterilization for blowing clean the residual dust and then drying the powder. Through a series of overall control methods, the finished product of starch meets the requirements for starch microorganism applied to food and medicine, thus providing an effective microorganism control method for starch production enterprises and enhancing product competitiveness of such enterprises.
Owner:广西农垦明阳生化有限公司

Vertical-flow self-aeration annular artificial wetland system

The invention provides a vertical-flow self-aeration annular artificial wetland system which comprises a diversion groove, a downstream annular pool, an upstream annular pool, a water collection pool, a reflux pump, a self-aeration reflux device and a shallow regulating pool, wherein the diversion groove is positioned on the outer wall of downstream annular pool; the upstream annular pool is positioned on the inner side of the downstream annular pool; the water collection pool is arranged on the inner side of the upstream annular pool; the water inlet of the reflux pump is connected with the water collection pool; the water outlet of the reflux pump is connected with the self-aeration reflux device arranged above the shallow regulating pool, inside the shallow regulating pool or on the inner wall of the shallow regulating pool through a reflux pipeline; the sewage outlet of the shallow regulating pool is communicated with the diversion groove through a pipeline or a water channel. The vertical-flow self-aeration annular artificial wetland system has the advantages that the contact time of sewage and air is prolonged, so that the dissolved oxygen in the sewage is increased, the purifying effect of sewage controlling is improved, capital investment is reduced, fly breeding is effectively controlled, effluent is collected and reused as reclaimed water, and water resources are saved effectively.
Owner:NANJING UNIV

House type barn food grain storing method

The invention discloses a house type barn food grain storing method. The house type barn food grain storing method comprises an inner loop current temperature control technology, a fumigation and steaming technology and a nitrogen controlled atmosphere technology, which one of the inner loop current temperature control technology, the fumigation and steaming technology and the nitrogen controlledatmosphere technology is selected for implementation; in the inner loop current temperature control technology, cooling capacity of a cooling core of a food grain pile at the lower part of a barn is pumped out and inputted into space above the top of the food grain pile, and a downgoing type air current is formed in the food grain pile; in the fumigation and steaming technology, fumigation and steaming gas in the space above the top of the food grain pile is pumped out from the upper part of the barn and is charged in the bottom of the food grain pile from a venthole in the lower part of the barn, and an upgoing type air current is formed in the food grain pile; and in the nitrogen controlled atmosphere technology, nitrogen is charged in the space above the top of the food grain pile fromthe upper part of the barn, and then gas is exhausted outwards from the lower part of the barn, so that the concentration of the nitrogen in the food grain pile can reach a nitrogen concentration target value I. According to the house type barn food grain storing method disclosed by the invention, an appropriate storing technology can be flexibly selected according to actual food grain storing situations, so that the food grain storing quality can be effectively improved; and inner loop current temperature control, fumigation and steaming as well as controlled atmosphere storage can be independently operated, so that the food grain storing quality can be guaranteed, besides, consumption of storing energy can be reduced, and the operating cost is low.
Owner:JILIN BRANCH CHINA GRAIN RESERVES CORP +1

Bacteriostatic process for washing and coating oilfield water injection pipeline

The invention provides a bacteriostatic process for washing and coating an oilfield water injection pipeline. The process comprises the following steps of: 1) preliminarily descaling and washing the internal part of the pipeline; 2) performing primary drying treatment on the descaled and washed pipeline; 3) coating the pipeline; and 4) performing secondary drying treatment on the coated pipeline. Compared with the prior art, the process provided by the invention has the advantages that 1, the water injection rate can be effectively increased, the service life of the pipeline can be prolonged, and the device replacement cost can be reduced; 2, the propagation of iron bacteria, saprophytic bacteria TGB (Total Growth Bacteria) and sulfate reducing bacteria SRB in the water injection pipeline can be effectively controlled, and the chemical dosage for the running is reduced; 3, a device for the process is simple, the transportation is unnecessary to stop in the washing process, the pipeline is not corroded, the environment is not polluted, and the operation is convenient; and 4, seen from the site construction application situation, the internal part of the water injection pipeline measured by eyes is smooth, and the coating is uniform, and the washing quality requirement of the water injection pipeline is satisfied completely.
Owner:山东泰丰清洗科技有限公司

Production method of toothpaste-grade heavy calcium carbonate

The invention relates to a production method of toothpaste-grade heavy calcium carbonate. The method comprises the following steps: (1) performing primary beneficiation, and selecting ore raw materials; (2) performing primary cleaning, and enabling the ore raw materials detected to be qualified to enter a primary ore-washing machine to perform cleaning; (3) performing secondary beneficiation, picking out blended stone in the ore raw materials, and simultaneously removing yellow skins adhered to calcite; (4) using disinfectant fluid to perform secondary disinfection washing to the ore raw materials; (5) airing ores, controlling indoor temperature of ore-airing areas to be 30 DEG C, controlling the humidity to be 40%, and controlling ore-airing time to be within 24h; (6) grinding, controlling feeding frequency, classification frequency, classification current, host machine current and fan current parameter indexes of equipment according to different mesh requirements of products; and (7) packaging and entering a warehouse. The production method has the advantages that the produced heavy calcium carbonate is good in stability of chemical property, high in purity and uniform in size distribution and has a complete crystal structure, and harmful components such as heavy metals and microorganisms are few.
Owner:JIANDE LONGHUA PLASTIC CHEM

Cornus walteri layering type crown shaping and cultivation method

The invention provides a cornus walteri layering type crown shaping and cultivation method and relates to the technical field of forestry production. The method comprises the following steps of (1) picking up tops and fixing trunks; (2) layering and retaining branches; (3) mechanically stretching the branches; (4) thinning the branches in a staggered way; (5) retracting strong branches; (6) performing topdressing and promoting strength; and (7) maintaining roots. According to the method, in order to meet the requirements that the yield of fruit and seed is increased and convenience for people to pick is achieved in forest stand cultivation for cornus walteri, the cornus walteri tree shape is properly dwarfed, and proper artificial cultivation measures are taken to enable the cornus walteri branches and leaves to be expanded, spread in a layered way, radiated in a staggered way and extended in a limited way, so that sunlight is received to a greatest degree, development of lateral branches is promoted and the fruit yield of a single plant is increased. By the method, the crown is completely dwarfed on the premise of ensuring that the yield is not reduced, fruit hand-picking is benefited, the labor cost is effectively reduced and the production efficiency of the industrial base is improved.
Owner:JINLING INST OF TECH

Anti-bacterial, disease-preventing and synergistic seedling protection method used at emmenopterys henryi seedling raising stage

The invention discloses an anti-bacterial, disease-preventing and synergistic seedling protection method used at an emmenopterys henryi seedling raising stage. The anti-bacterial, disease-preventing and synergistic seedling protection method comprises the steps of careful selection and purification of nursery land before sowing, sterilization before soil seedling raising, bud seedling transplantation in the early spring season, seedling field sterilization and film coverage after transplantation and slim stem strengthening at a seedling stage. For solving the technical problems of slow early-stage bud seedling growth, high disease infection rate, weed breeding and low young seedling saving rate encountered in current emmenopterys henryi seedling raising and production, the comprehensive-prevention, careful-management and unseasonal technical method for improving the seedling raising efficiency is proposed, infection of various pathogenic bacteria in the nursery land can be effectivelycontrolled, young bud browning and disease infection are prevented, moisture loss and weed breeding of soil surface are decreased, the young seedling development environment of the nursery land is improved, the disease infection rate of young seedlings is reduced, the young seedling saving rate is improved, and the method is conductive to improvement of the yield and efficiency of emmenopterys henryi seedlings cultivation.
Owner:JIANGSU ACAD OF FORESTRY

Equipment capable of spraying biogas slurry and turning over and burying straws and stratified straw returning method

The invention relates to equipment capable of spraying biogas slurry and turning over and burying straws and a stratified straw returning method. The equipment capable of spraying biogas slurry and turning over and burying straws includes a rack, a pushing plow, a ditching plow, a ground wheel component, a hydraulic cylinder, a hanger, a connecting shaft, a biogas slurry spraying system and a power system. The hanger is connected with the front end of the rack in the advancing direction through the connecting shaft, and the rack can rotate around the connecting shaft. Biogas slurry spraying components are arranged at the upper portion of the hanger. The hydraulic cylinder is obliquely arranged on one side of the connecting shaft. One end of the hydraulic cylinder is connected with the hanger, while the other end is connected with the rack. The power system is connected with the hydraulic cylinder to transmit power and drive the hydraulic cylinder to stretch out and draw back and drive the rack to turn over 180 degrees around the connecting shaft. The ground wheel component is arranged at the left side of the rack in the advancing direction, the pushing plow and the ground wheel component are arranged at the same side of the rack, and the ditching plow is arranged at the right side of the rack in the advancing direction. The equipment achieves a turn-over function of operating plows as an upper plough share and a lower plough share work alternately. Therefore, the work efficiency is improved, the labor intensity is reduced, and the stratified straw returning purpose is achieved.
Owner:LIAONING ACAD OF AGRI SCI
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