42results about How to "The phenomenon of avoiding death" patented technology

The invention provides cell cryopreservation fluid.The cell cryopreservation fluid is prepared from, by volume, 9-13% of dimethyl sulfoxide, 2-7% of human serum albumin, 1-3% of dextran, 1-5% of glucose and the balance solvent.Human serum albumin replaces animal serum to serve as a cell nutrient source, the pollution of animal source viruses is avoided, and nutrient substances of multiple components are effectively provided and can be directly absorbed and used by cells; in addition, a large amount of high-polymer protein is contained in human serum albumin and can form a hydration film, the number of crystals formed in the east village process is decreased, and mechanical loss and death of cells are reduced; by means of dextran, permeation pressure can be well maintained, the good permeation pressure environment can still be kept in the temperature decreasing process, and the cell death caused by temperature decreasing and permeation pressure changing is avoided, and the survival rate of cells recovering after being cryopreserved for a long time is increased.

The invention discloses a water and fertilizer retention type vegetative cement-based material. The material is composed by, by weight, 45.0-60.0 parts of sulphate aluminium cement, 10.0-20.0 parts of peat soil, 15.0-28.0 parts of zeolite, 10.0-25.0 parts of bentonite and 1.0-5.0 parts of silica fume. The material is good in water and fertilizer retention performance, the moisture slow release period can reach 1.5-2 months, the fertilizer efficiency slow release period can reach 10-12 months, the alkalinity is low, the growth requirements of plants are satisfied, the plants are prevented from death on account of deficiency of moisture and nutrients and excessively high environment alkalinity which stops the effects of afforesting and improving the ecological environment.

The invention provides a buffering device for proliferation releasing of aquatic fingerlings. The buffering device comprises a box body, a fingerling inlet pipe is obliquely connected to the upper portion of the side of the box body, a fingerling outlet pipe is connected obliquely to the lower portion of the side of the box body, a guiding plate connected with the outer wall of the box body is arranged below the fingerling outlet pipe, a fingerling separating device is connected to the fingerling outlet pipe through penetration, a valve is arranged at the connecting position, the fingerling separating device comprises a cylindrical shell, and an inner cavity of the shell is divided by multiple dividing plates capable of rotating around the axis of the shell. With the device, the effect ofadaptation of the released fingerlings to the oxygen content in water can be improved, foams gathering on the water surface can be eliminated, the fingerlings are released in batches, a stress reaction of the fingerlings to the environment is relieved, and the death rate of the fingerlings is decreased.

The invention discloses a disease resisting and pest repelling biological seed coating inoculant and a preparation method thereof. The seed coating inoculant is prepared from, by weight, 70-90 parts of a composite liquid strain and 10-30 parts of a chitin stock solution; and the composite liquid strain mainly comprises a Pseudomonas fluorescens liquid strain and a Bacillus thuringiensis liquid strain. Different microbes are combined to form strong thalli, the strains have different functions and are perfectly matched, the strains are individually cultured until the strains are mature and stable and then are combined, so the phenomenon of death of parts of strains, caused by the antagonism of various microbes which are commonly cultured, is avoided, soil borne diseases are controlled, the erosion of pathogens to seeds is prevented, the budding rate of the seeds is improved, the conversion of organic matters is promoted, nutrients are decomposed for seed absorption, and the seed coating inoculant well solves current seed processing and agricultural environmental protection problems.

The invention relates to a ralstonia solanacearum bacterial strain. The bacterial strain is an avirulent ralstonia solanacearum bacterial strain FJAT-1458 and is preserved at China General Microbiological Center Culture Collection Center on August 4, 2011, and the preservation number is CGMCC No.5111. The ralstonia solanacearum bacterial strain has the advantages that the avirulent ralstonia solanacearum bacterial strain FJAT-1458 is provided, and the possibility is provided for studying and avoiding plant wilting or death phenomena caused by the pathogenicity of ralstonia solanacearum .

The invention relates to the technical field of aquaculture, in particular to a leech incubation device and a breeding method. The leech incubation device comprises an enclosed chamber, a bracket located in the enclosed chamber and incubators arranged on the bracket, and is characterized in that the enclosed chamber is provided with an outlet; the bracket is arranged in the enclosed chamber, a passage is arranged in the middle, and a plurality of object placement layers are arranged on the bracket; each incubator comprises a box body and a net frame, the box body is arranged on the corresponding object placement layer of the bracket, the net frames are erected in the box bodies, and a plurality of through holes are formed in the bottom of the net frames, wherein young leeches can pass through the through holes but leech cocoons cannot pass through the through holes. The invention further relates to the leech breeding method. According to the leech incubation device and the breeding method, the survival rate of the cocoons is greatly improved, and the breeding time of the cocoons is prolonged, after the cocoons are incubated into young leeches, the young leeches can automatically enter the box bodies for growth through the through holes of the net frames, and the trouble of manual transfer is avoided; egg laying and incubation are carried out in the enclosed chamber, and the incubation time is shortened by regulating and controlling the temperature and humidity; meanwhile the membrane breaking time is shortened, the breeding efficiency of leeches is improved, and the economic benefits are increased.

The invention discloses a method for marking marine shellfishes by means of waterproof labels. The method comprises the following steps of 1 punching place selection and cleaning, 2 punching and recreation, 3 label printing and piercing and 4 marking. The method is high in label retention rate, obvious in marking, easy to operate, low in price and small in shell damage.

The invention provides a trailing vine plant transportation fixed frame. The trailing vine plant transportation fixed frame comprises a base plate, a flowerpot fixing device and a trailing vine fixingdevice. The trailing vine plant transportation fixed frame can solve such difficulties as the peeling phenomenon caused by extrusion friction between main poles and branched stems of trailing vine plants easily caused by complicated transportation road sections in the trailing vine plane transportation process, influence on the growth of the trailing vine plants by insufficient illumination in long-time transportation process, influence on original structural forms of flowers and bad influence on the living due to easy breakage in the transportation process and large occupied transportation space caused by verdant growth, larger size and longer training vines of the trailing vine plants, and drying death of the plants easily caused by insufficient water in the plants due to long-time transportation. The trailing vine plant transportation fixed frame can realize fixed transportation of vines of the trailing vine plants, and provides proper illumination and environmental humidity for full photosynthesis on the plants to promote the plant growth function.

The invention discloses a cell freezing medium. The cell freezing medium is prepared from the following components in percentage by volume and by concentration: 2 to 8 percent of dimethyl sulfoxide, 0.5 to 1.5 mg / ml of pawpaw extracting solution, 2.0 to 5mg / ml of chitosan quaternary ammonium salt, 0.5 to 2 percent of low molecular weight dextran, 8 to 15 percent of human serum albumin, 1.0 to 5mg / ml of glucan and the balance of DMEM culture medium. According to the cell freezing medium disclosed by the invention, the chitosan quaternary ammonium salt, the glucan and the pawpaw extracting solution are added, so that the limitation that chitosan can be only dissolved in a weak acid solution can be overcome; in addition, the effect of the cell freezing medium is better; by means of the glucan, the extracellular osmotic pressure can be improved and intracellular free water is reduced; due to the adoption of a permeable protective agent DMSO, cell rupture can be prevented, the melting pointof the intracellular water is reduced, and the formation of crystals is prevented; the permeable protective agent complements with a non-permeable protective agent glucan and the chitosan quaternaryammonium salt, so as to realize synergistic effects. The pawpaw extracting solution is a novel efficient natural antioxidant substance which is extracted from pawpaw and cannot be synthesized in a human body. The pawpaw extracting solution mainly plays an antioxidant role, and has the effects of improving cellular immune functions and prolonging cell activity.

The invention discloses an assembled planting apparatus of a vertical green wall and belongs to the technical field of planting equipment of plants. The assembled planting apparatus herein comprises awater storage trough and at least one planter; the upper end of the water storage trough is provided with an opening; the lower end of the water storage trough is provided with an insert portion mating with the opening. Two adjacent planting devices are releasably connected through the openings and the insert portions; the planters are arranged on the water storage trough; the planters are communicated with the inner space of the water storage trough through a water supply mechanism; a connection plate is arranged between the upper ends of the planters and the water storage trough; a water receiving trough is formed between the connection plate and the planters and water storage trough. The ingenious design allows the apparatus herein to be quickly assembled, so that the personal needs ofpeople for the shapes of green walls are well met; plant root rotting due to ponding can be effectively prevented at the premise of ensuring full irrigation, so that plant survival rate is greatly increased.

The invention discloses an ecological landscape floating island capable of supplementing dissolved oxygen in water. The ecological landscape floating island comprises a disc-shaped outer shell and a gas collecting hood fixed at the water bottom, wherein the outer shell is filled with soil having earthworms and planted with various herbaceous plants, the gas collecting hood has a trumpet-shaped structure with a large downward opening, a disc-shaped positioning plate is arranged at the bottom of the outer shell, the center of the positioning plate projects upwards and is fixedly connected to theouter shell, an annular and hard gas shell and a floating block with a density far smaller than the density of water are fixed to the lower wall of the positioning plate, and a plurality of water return holes communicated to the outside are formed in the bottom of the gas shell. According to the invention, the photovoltaic panel continuously absorbs light energy and stores the light energy in thestorage battery in the daytime, and the storage battery supplies power to the light supplementing lamp at night, so that moss can continuously perform photosynthesis and generate water-soluble oxygenunder the action of the light supplementing lamp so as to increase the oxygen content in the water, ensure the stable growth of the moss and continuously supply the oxygen to the water body.

The invention provides cell cryopreservation fluid.The cell cryopreservation fluid is prepared from, by volume, 9-13% of dimethyl sulfoxide, 2-7% of human serum albumin, 1-3% of dextran, 1-5% of glucose and the balance solvent.Human serum albumin replaces animal serum to serve as a cell nutrient source, the pollution of animal source viruses is avoided, and nutrient substances of multiple components are effectively provided and can be directly absorbed and used by cells; in addition, a large amount of high-polymer protein is contained in human serum albumin and can form a hydration film, the number of crystals formed in the east village process is decreased, and mechanical loss and death of cells are reduced; by means of dextran, permeation pressure can be well maintained, the good permeation pressure environment can still be kept in the temperature decreasing process, and the cell death caused by temperature decreasing and permeation pressure changing is avoided, and the survival rate of cells recovering after being cryopreserved for a long time is increased.

The invention discloses a compound microbial manure decomposition agent, a method for preparing the same and a method for decomposing and treating manure. The compound microbial manure decomposition agent comprises 5-15 parts of yeast liquid strains, 25-35 parts of lactic acid liquid strains, 25-35 parts of pseudomonas fluorescens liquid strains, 25-35 parts of bacillus subtilis liquid strains, 25-35 parts of bacillus megaterium liquid strains, 25-35 parts of bacillus thuringiensis liquid strains, 3-7 parts of trichoderma harzianum liquid strains, 8-12 parts of soybean protein powder, 1-3 parts of beef extract, 1-3 parts of agar, 8-12 parts of dipotassium hydrogen phosphate, 8-12 parts of urea and 15-25 parts of molasses. The compound microbial manure decomposition agent and the methods have the advantages that the strains are proportionally combined with one another after the strains are individually cultured and are mature and stable, and accordingly the problems of death of existing partial strains due to antagonism of diversified microorganisms which are cultured together can be solved; the strains are reasonably matched with one another, resistance among bacteria can be prevented, the manure can be quickly decomposed, odor-less and harmless treatment can be carried out on the manure, and the compound microbial manure decomposition agent and the methods are favorable for improving soil structures.

The invention relates to a steel-leg wheel, wherein another end of inner wheel rib (15) Is sheathed in the blind hole of one end of outer wheel rib (7); the inner side of arc plate (1) is fixed with clamping plate (2); the connecting plate of outer wheel rib (7) is inside the clamping plate (2) to be fixed by screw (17) and clamping plate bolt (3); the outer side of arc plate (1) is fixed with wheel legs (4); two nearby arc plates (1) are hinged with first and second axles (5, 11) of wheel edge. The invention can roll the protrusion of field, to loose the soil. And the rolled soil will not form block.

The invention discloses a cultivation method of young freshwater shrimps and belongs to the technical field of freshwater cultivation. The method includes steps such as young shrimp cultivation pond selection, early preparation, parent selection, parent cultivation and mating and young shrimp cultivation. A cultivation pond comprises a pond body, three circles of water inlet pipes are arranged onthe inner wall of the pond body, the water inlet pipes are circumferentially distributed on the inner wall of the pond body in an equal-distance manner, water guide pipes are arranged along the tangential direction of the cross section of the pond body, and the water discharge directions of two opposite water guide pipes are opposite. The method has the advantages that the living environment of the young freshwater shrimps can be simulated to allow the cultivation pond to adapt to the living habits of the young freshwater shrimps, a good environment is provided for the growth of the young freshwater shrimps, the special requirements of inhabiting, ingestion, growth and reproduction can be satisfied to increase the survival rate of the young freshwater shrimps, feeding is performed differently according to different time periods to satisfy the nutrient requirements need by young freshwater shrimp growth, and different feed is used for feeding according to a certain proportion to improvethe quality of the young freshwater shrimps.

The invention discloses a breeding pond for fish breeding. The breeding pond comprises a pond body with a water incoming pipe and a sewage discharging pipe, a breeding platform is arranged on the pondbody, an aquatic plant layer is arranged in the pond body, an automatic feeding device is arranged on the breeding platform and comprises a supporting mechanism and a discharging mechanism arranged above the supporting mechanism and comprising a main shell and a hopper arranged above the main shell, a sealing cover plate is arranged at the left end of the main shell, a discharging port is arranged at the right end of the main shell, the sealing cover plate is detachably connected with the main shell, an electric shaft is arranged inside the sealing cover plate, a spiral shaft is arranged on the right side of the electric shaft, and a steel net is arranged above the inside of the discharging port. The breeding pond is simple in structure and convenient in use; by arranging the dischargingmechanism of the automatic feeding device, feeding of whole-piece feed can be avoided, and utilization rate and feeding efficiency of the feed are improved; an adsorption device can adsorb suspended matters, and fish death can be avoided, so that purity of water in the pond body is improved, fish death rate is lowered, and economic value is increased.

The invention relates to the technical field of breeding device equipment, in particular to a breeding device for Riptortus pedestris. The breeding device for the Riptortus pedestris comprises a top box and a bottom box which are arranged in a penetrating mode, wherein an adult breeding assembly and a separation assembly are arranged in the top box, and an egg breeding assembly is arranged in the bottom box; the adult breeding assembly comprises an insect breeding cage, a limiting cage and a net plate, wherein the limiting cage sleeves and abuts against the bottom of the insect breeding cage, and the net plate is horizontally arranged below the limiting cage; two control pieces are mutually symmetrical and are correspondingly arranged between the adult feeding assembly and the inner wall of the top box; the separation assembly is arranged below the net plate; the egg breeding assembly comprises a nymph cage and a culture dish, and wet filter paper is laid on the inner bottom wall of the culture dish. According to the breeding device for the Riptortus pedestris, during breeding of the Riptortus pedestris, eggs and adults of the Riptortus pedestris are cultured in a separated mode, and an adult cage is effectively cleaned, so that an excellent growth environment is provided for the adults and the eggs of the Riptortus pedestris, and then the yield of the Riptortus pedestris is effectively increased.

The invention relates to a suspended flowerpot moving device, which comprises a flowerpot body, a suspension mechanism, a transmission mechanism, a shading assembly, a temperature sensor and a control mechanism; the flowerpot body is slidably arranged on the transmission mechanism through the suspension mechanism The shading assembly is installed at one end of the transmission mechanism; the temperature sensor is installed under the suspension mechanism, and generates an induction signal and transmits it to the control mechanism; the control mechanism controls the transmission mechanism according to the induction signal opening and closing. The invention can automatically move the position of the flower pot according to the temperature around the flower pot, avoiding the death of flowers and plants due to long-term exposure to the sun, thereby improving the maintenance rate of flowers and plants.

The invention provides a novel garden plant cultivation container. The container is made of plain concrete and comprises side walls and a bottom connected with the side walls. Uneven non-woven fabric layers are arranged on the inner surfaces of the side walls. A rubble layer is arranged in the container. A planting layer is arranged on the upper portion of the rubble layer through a non-woven fabric separation layer. The lower end of a non-woven fabric strip is arranged at the bottom of the rubble layer, and the upper end of the non-woven fabric strip penetrates through the non-woven fabric separation layer and stretches to the planting layer. Drainage through holes are formed in the lower portions of the side walls. The container has the automatic root pruning function, has the advantages of being easily formed, reusable and capable of being combined at will for use, and is made of light material, and suitable for roof gardens; landscape facilities can be erected on the container; operation is simple, energy and water are saved, maintenance cost is reduced, economic benefits are increased, and the varieties of garden plants suitable for roof greening a roof are enriched.

The invention provides a seed in-situ catcher for distinguishing media, which mainly comprises a base (1), a rotary tank (2), a drawing filter screen (3), a rotary barrel (4), a gauze (5), blades (6), a water-solid separator (7), a stopping piece(8), a floating barrel (9), plastic foam rings (10) and stopping rods (11).The seed in-situ catcher is characterized in that the rotary barrel at the lower part can rotate freely, and a catching opening in the rotary barrel always faces towards the water inflow direction due to the impact of water flow to blades; the inner side of the rotary barrel is sleeved with the floating barrel at the upper part; a floating material mounted on the outer side of the barrel body enables the height of the barrel body to be automatically adjusted along with the water level to guarantee that collected seeds always float on water and prevent seeds spread by wind from death due to long-time drowning in water; a funnel-shaped catching opening is formed in the upper end of the floating barrel and used for collecting seeds spread with wind; the drawing filter screen is mounted at the lower end of the catching opening; the reversed funnel-shaped water-solid separator is arranged at the lower end of the filter screen to prevent seeds collected from water and seeds spread by wind from mixing.

The invention provides a kelp gametophyte cloning device and a culture method of kelp gametophyte and aims at solving the problems that the cultivation speed is low and the kelp gametophyte is easy to pour out and run off when a culture solution is replaced in the prior art. The technical scheme is as follows: in the kelp gametophyte cloning device, a support frame comprises a plurality of support rods, an upper plate layer and a lower plate layer, wherein an illumination light source is arranged on the upper plate layer, at least one cultivation unit is arranged on the lower plate layer, each cultivation unit comprises a transparent vessel and a rotating device, a hanging culture bag is arranged in the transparent vessel, the rotating device is provided with a magnetic rotor arranged at the bottom in the transparent vessel and an electric rotating device arranged at the outer bottom surface of the lower plate layer, the kelp gametophyte is arranged in the hanging culture bag to be cloned, and the electric rotating device and the illumination light source are controlled to rotate and illuminate by a controller. The kelp gametophyte cloning device can be used for conveniently and thoroughly replacing the culture solution without air inflation, the kelp gametophyte has the high growth speed, and the contamination phenomenon during cloning of the gametophyte is avoided.

The invention discloses an arsenic pollution repairing agent for saline-alkali soil. The repairing agent comprises the following raw materials in parts by weight: 50-60 parts of cross-linked attapulgite, 50-60 parts of deformed starch, 30-40 parts of a methyl methacrylate-styrene copolymer, 0.02-0.2 part of sodium laurylsulfonate, 0.01-0.03 part of potassium persulfate, 0.01-0.03 part of urea, 60-90 parts of carbide slag and 0.5-1 part of a microbial mixed bacterial solution. According to the invention, a combined technology of attapulgite solidification and stabilization and microbial solidification and stabilization is adopted, and the goal of solidifying heavy metals can be achieved through a quantitative chemical reaction (such as ion exchange, coordination bond or complexation and thelike) of a plurality of polar functional groups existing on the microbial surfaces with arsenic ions. The composite repairing agent can improve the repairing rate and efficiency of saline-alkali soil, has little influence on the environment, and is suitable for promotion and application.

The invention discloses a full-automatic agricultural pesticide spraying trolley which comprises a pesticide spraying trolley body. A stirring cavity is formed in the pesticide spraying trolley body; flow control devices are symmetrically arranged on the left side and the right side of the upper part of the stirring cavity; each flow control device comprises flow pipes which are symmetrically and fixedly arranged on the upper sides of the left end wall and the right end wall of the stirring cavity; L-shaped through holes are formed in the flow pipes; a pesticide liquid cavity is formed in the left side of the upper part of the stirring cavity; the upper end of the flow pipe on the left side extends into the pesticide liquid cavity; a water storage cavity is formed in the right side of the upper part of the stirring cavity; and the upper end of the flow pipe on the right side extends into the water storage cavity. According to the full-automatic agricultural pesticide spraying trolley provided by the invention, the dosage of water and pesticide flowing into the stirring cavity from the pesticide liquid cavity and the water storage cavity can be automatically adjusted through different crops, so that the phenomenon that the crops die due to improper pesticide application to the crops is avoided; and meanwhile, full-automatic pesticide spraying is achieved, so that manual spraying is not needed.

The invention discloses an intelligent planting greenhouse for flower planting. The intelligent planting greenhouse comprises a greenhouse body, a temperature sensor, a humidity sensor, an oxygen content sensor, an air exchanging fan, a controller and a flow control valve, a bracket is installed in the greenhouse body, and the temperature sensor is installed on the bracket; the humidity sensor isinstalled on the lower portion of the temperature sensor, the oxygen content sensor is installed on the lower portion of the humidity sensor, greenhouse cloth is installed on the outer portion of thegreenhouse body, and the air exchange fan is installed on the right side of the of the greenhouse body; a greenhouse door is installed on the left side of the greenhouse body, and the controller is installed on the right side of the greenhouse door. By arranging the greenhouse body, the temperature sensor, the humidity sensor, the oxygen content sensor, the air exchanging fan, the controller and the flow control valve, the problems that ventilating and air exchanging are conducted manually and regularly, the oxygen content is improved, the temperature is reduced, debugging cannot be conductedtimely, irrigation is conducted manually, the labor amount is larger, and the irrigation amount cannot be conveniently controlled.

The invention provides dunaliella salina-halophilic bacteria immobilized microspheres as well as a preparation method and application thereof, and belongs to the technical field of wastewater treatment. According to the preparation method, dunaliella salina and haloarcula are selected, a small amount of luminescent material is added to immobilize bacteria and algae on the basis of embedding with activated carbon and sodium alginate composite carrier, and when the immobilized dunaliella salina-halophilic bacteria are used for treating pickling wastewater, the separation of the bacteria and algae from the wastewater can be effectively realized, and has the advantages of stable treatment effect, secondary pollution prevention and the like.

The invention discloses a method for breeding ophicephalus argus. The method for breeding ophicephalus argus is scientific and reasonable, and the survival rate of for breeding is greatly increased. By soaking fry of ophicephalus argus into salt water before the fry are put in a suitable place to breed, the capability of the fry of ophicephalus argus to adapt to a new environment can be greatly improved, the immunity of of ophicephalus argus can be improved in a short term, and disinfection is conducted to the fry to a certain extent, so that the phenomenon that a large number of fry are deadsince the fry do not adapt to the new environment is avoided; by feeding small trash fishes, marine fishes or high protein particulate feed, absorption and digestion capabilities of ophicephalus arguscan be improved, the growth rate of ophicephalus argus is increased, the flesh quality of ophicephalus argus is improved, the nutritional value of ophicephalus argus is increased, and the content ofprotein and selenium of ophicephalus argus is greatly increased. At the same time, the incidence rate of diseases of ophicephalus argus is also greatly decreased, the mortality ratio of ophicephalus argus is greatly decreased, and the yield of ophicephalus argus is further guaranteed.

The invention relates to an earthworm based rural decentralized sewage treatment system. The system is composed of a grille, an adjusting tank is arranged below the grille, the adjusting tank is connected to an earthworm biofilter and an improved SBR system suitable for decentralized sewage treatment through a temperature sensing system; the earthworm biofilter is used in warm seasons, by utilizing biodegradation of earthworms, the problems that a traditional biofilter is easily blocked by sludge and the sewage treatment effect is gradually reduced are solved, the sludge discharge amount is also greatly reduced, the improved SBR system suitable for decentralized sewage treatment is used in cold seasons, the technological process is short, the investment and operation cost is low, the impact resistance is high, and the water quality is stable; the two processes are alternately used in warm and cold seasons, so that the power consumption and sludge discharge of the device in the use process are effectively reduced, and the purposes of energy conservation and emission reduction are achieved.

The invention discloses a clogging-proof plow sowing structure for agricultural machinery, comprising a seed storage box, a motor and a baffle plate, a connecting pipe is arranged on the lower end surface of the seed storage box, and a plowing is connected to the bottom of the connecting pipe. The inner side of the plow is fixed with a support rod, and the end of the support rod is provided with a fixed block, the inside of the fixed block is installed with the bottom of the first rotating shaft, and the end of the first rotating shaft is fixed with a crushing rod. It is located below the seed storage box, and the bottom of the motor is connected with a second rotating shaft, the baffle is fixed on the outer wall of the plow, and a pin is installed between the baffles, and the pin is arranged on the top of the shovel. And the side of the earth blade is connected with the outer wall of the plow through the elastic element. The clogging-preventing plow sowing structure of the agricultural machinery can save energy consumption, avoid clogging inside the plowing, and prevent seeds from dying when exposed to sunlight.

The invention relates to filtration devices, in particular to an egg membrane removal filtration device for a fish artificial propagation hatching process for solving the problems that meshes are blocked by broken egg membranes and accordingly a hatching bucket overflows and fry escapes due to the fact that a bolting-silk screen is used for filtration and fry collection in a fish egg hatching process as well as broken egg membrane are left in a hatching unit and the deterioration of the water quality and the decreasing of the fry survival rate are caused accordingly when the recycled water is used for hatching in early fish propagation. The egg membrane removal filtration device for the fish artificial propagation hatching process comprises a filter tank, a water collection bucket and a screen barrel. The filter tank is rectangular and arranged below a water outlet of the hatching unit. A water inlet of the water collection bucket is in communication with an overflow opening of the filter tank. The screen barrel is arranged in the water collection bucket and in communication with the overflow opening. The egg membrane removal filtration device for the fish artificial propagation hatching process is used for filtering broken egg membranes produced in the fry hatching process.

The invention discloses an escape device based on a large water transportation facility. The escape device comprises a water transportation facility body, an escape carrier, an ejection device and anescape compartment. The escape carrier comprises a carrier shell, an upper cover body, a throwing body, a motor, a sealing assembly and an oxygen making device. The shape of the carrier shell is the same as the shape of a rescue boat. The upper cover body is mounted under the carrier shell, and is connected with the carrier shell through the throwing body. When no accident occurs, the upper coverbody is placed under the carrier shell; and when accidents occur, the motor drives the throwing body to lift the upper cover body to completely cover the carrier shell. The oxygen making device supplies oxygen after the escape carrier is sealed. The escape compartment is used for placing the escape carrier, and the escape carrier is released when overturning accidents occur. The ejection device ismounted in the escape compartment and used for ejecting the escape compartment. The escape device based on the large water transportation facility has the advantages of lowering the fatality caused by overwater accidents, and improves the survival rate.