119results about How to "Won't die" patented technology

Provided are integrated domestic sewage treatment equipment and treatment method. The integrated domestic sewage treatment equipment is formed by the following treatment units: a gridding feces tank, an anaerobic tank, an aerobiotic tank and a precipitating and sterilization pond, all of which are sequentially communicated. The integrated domestic sewage treatment equipment is characterized in that water inlet and outlet pipes are arranged between the treatment units, each treatment unit is provided with a mud discharging pipe and an exhausting pipe, the anaerobic tank and the aerobiotic tank are each provided with an aerating system and a flow-back system, a triangular weir is adopted in water outflow of each treatment unit, the input end of the water inlet pipe of the gridding feces tank is located outside the equipment, and an inlet penetrates into the portion, before a grid, at the bottom of the gridding feces tank; the gridding feces tank is connected with the anaerobic tank, the water inlet pipe of the anaerobic tank is communicated with the interior of the bottom of the tank for water inflow, and a filling area of the anaerobic tank is filled with a fixed carrier and biological sponge iron filler; the anaerobic tank is connected with the aerobiotic tank, the water inlet pipe of the aerobiotic tank is communicated with the bottom of the tank for water inflow, and a filling area of the aerobiotic tank is filled with a fixed carrier and biological sponge iron filler; the aerobiotic tank is connected with the precipitating and sterilization pond, the water inlet pipe enters the middle of a precipitating pond body, and a 45-degree slope is arranged in a sludge area at the bottom of the pond; the precipitating pond body is connected with a sterilization pond body, the water inlet pipe enters the bottom of the sterilization pond body for chlorine tablet sterilization, and water is output out of the upper water outlet pipe.

The invention discloses a method for building an ecological littoral zone in a buffer area. The method comprises building of gabions, a low pond, multiple ponds and a retention canal. The method comprises the following specific steps: (1) a gabion area is built, wherein the gabions are built between a normal water level of a river and a level of a flood occurring every two years, and emergent aquatic plants are planted in gaps between the gabions; (2) the low pond is built, wherein a low area which is 20cm lower than the gabion area and 20cm lower than foundations of the multiple ponds is built between the level of the flood occurring every two years and the level of a flood occurring every twenty years; (3) a multi-pond system is built, wherein two rows of pond systems are built in the low pond area, substrate improvement is conducted, submerged plants are closely planted in the ponds, and the emergent aquatic plants are planted on the foundations and the circumferences of the ponds; (4) the retention canal is built, wherein the retention canal is built along the outside of the level of the flood occurring every twenty years. The method effectively solves the ecological problems that a surface source of a gentle slope area of the river is severely polluted, landscapes are poor, the biodiversity is reduced and water and soil loss occurs, and offers a feasible and efficient ecological restoration measure for recovery and reconstruction of a hydro-fluctuation belt.

The invention discloses an intelligently-adjusting planting device for plants. The intelligently-adjusting planting device comprises a base, a water spraying pipe, a soil humidity detector and a controller, wherein a first water storage tank with a liquid level raising device is arranged in the base; a water inlet communicated with the first water storage tank is formed in the base; the water spraying pipe is used for spraying water to the plants; a water supplying valve is arranged on the water spraying pipe; a water inlet of the water spraying pipe is communicated with a water outlet of the liquid level raising device; the soil humidity detector is used for detecting the humidity of plant soil in real time and transmitting a soil humidity signal; the controller is used for controlling the opening / closing of the water supplying valve according to the received soil humidity signal. According to the intelligently-adjusting planting device for the plants, which is disclosed by the invention, the humidifying and watering operation of vegetation can be automatically realized without manual operation, so that the cultivation quality is improved while labor force is saved.

The invention provides an explosive-removing unmanned aerial vehicle comprising a vehicle body, two first square sleeves, two first telescopic rods, three power assemblies, a steel wire rope and the like. The explosive-removing unmanned aerial vehicle is characterized in that the vehicle body is of a cuboid structure; the head of the vehicle is in a point-end shape; the square sleeves are mounted on the left side and the right side of the vehicle body correspondingly; each first telescopic rod is slidably mounted in the corresponding square sleeve; two power assemblies are mounted on the upper portions of the outer end portions of the first telescopic rods correspondingly; and another power assembly is arranged on the rear portion of the vehicle body; and is mounted on the rear portion of the vehicle body through a rear portion mounting seat. The unmanned aerial vehicle can be flexibly controlled to rise up and go forward through the three power assemblies, explosive can be flexibly captured through arrangement of a mechanical arm, and drilling on the ground can be conducted through a cone-shaped spiral drill head on a pneumatic clamping jaw.

A high-density aquatic product transporting and breeding device comprises a fish tank, a water pump, a water purification system, a constant temperature system and an oxygenating system, wherein a water inlet pipe and a water outlet pipe are arranged in the bottom of the fish tank; the water inlet pipe and the water outlet pipe are connected through a pipeline to form a water circulating loop; and the water pump, the water purification system, the constant temperature system and the oxygenating system are arranged on the pipeline of the water circulating loop, wherein the water purification system comprises a hydraulic cyclone and a filter system or one of the two; the constant temperature system is a dividing wall type heat exchanger, and a heat exchange medium is a low-temperature fluid body or a high-temperature fluid body from a refrigerating unit; a liquid oxygen bottle is arranged on the oxygenating system, and liquid oxygen in the liquid oxygen bottle generates gaseous oxygen through a pressure reducing valve and inputs the gaseous oxygen to the oxygenating system; overflow holes and an overflow trough are formed on the fish tank, so that the content of body fluid proteins and fine impurities in live fish transporting and breeding process can be effectively reduced. The device provided by the invention can be used for transporting and breeding high-density live fishes and increases the quantity of fishes in the fish tank as more as possible on a basis of guarantee of survival fishes, so that the transporting and breeding cost is lowered.

The invention relates to an environment-adapted routing method of wireless sensor network of maritime search and rescue. The method is characterized in that the wireless sensor network formed by self-networking through a plurality of nodes includes a plurality of clusters formed by the nodes. The method comprises the steps of calculating the threshold of each node according to the node energy, the energy spacing and the channel quality during the cluster head election of each cluster; comparing the thresholds; selecting one node as the cluster head node by cycling; building route measurement adapted to the mobility of the nodes; selecting a reliable route chain according to the route measurement; creating a priority transfer node list; selecting the corresponding relay node through the cluster head node according to the priority in the transfer node list so as to transfer information to the outside. According to the method, the route measurement adapted to the environment can be created according to the environment change of the wireless sensor network; the characteristics of secondary clusters and opportunism routes are effectively utilized to adapt to the high-dynamics network, and therefore, the data transmission efficiency can be increased.

The invention discloses a route improving method based on an AODV (ad hoc on-demand distance vector) and considering delay energy saving, relating to a new energy-efficient routing protocol considering a delay effect. The protocol firstly judges whether the residual energy of all nodes in an Ad Hoc network moving at a low speed is less than a threshold gamma; if the residual energy of all nodes is greater than the threshold gamma, the network has sufficient energy, and a path of minimum communication energy consumption needs to be found only; and if the residual energy of more than one node in the network is less than the threshold gamma, some nodes in the network consume energy relatively quickly, and the methods such as dynamic power adjustment, route selection of energy consciousness, broadcast control, passive route updating and the like are comprehensively used to realize uniform consumption of the nodes in the network and prolong the working life of a wireless sensor network.

The invention discloses an intelligent substation monitoring system. The system comprises an environment sensing module, a data collection module, a cloud server and an intelligent monitoring center,the environment sensing module monitors the environmental parameters of the transformer substation through the sensor nodes. Environmental parameter information obtained by monitoring is transmitted to the data collection module through the wireless sensor network; the data collection module transmits the collected environmental parameter monitoring information to the cloud server; and the cloud server stores the received environmental parameter monitoring information, and the intelligent monitoring center calls the environmental parameter monitoring information from the cloud server, evaluates the safety state of the transformer substation according to the environmental parameter monitoring information, and performs early warning when evaluating that the transformer substation is in danger. The beneficial effects of the invention are that the system can achieve the real-time monitoring of the operation state of the transformer substation on the premise that the normal operation of transformer substation equipment is not affected, and gives out early warning information in time, thereby achieving the effective monitoring of the transformer substation.

The invention discloses a graft modeling method of branches and ears of trees. At present, crown shapes of part of landscape tree species are single, the beauty is lacked, and the ornamental quality is poor. The grafting in vitro of long branches in the conventional grafting is not easy to survive. In the invention, the tree branches without separating from a parent body are used as the branches and ears, the tree branches of homologous strain or homologous heterologous strain are used as stocks to graft and model. The branches and ears which are used in the invention is the whole branches of the trees but not a branch section, and the branches and ears in grafting is not separated from the parent body, the scion and the stock belong to the homologous strain or the homologous adjacent strain. The grafting healing is easy, the survival rate can reach 97 percent to 100 percent. The graft modeling of the invention is unique and beautiful, the landscape ornamental value of garden landscape tree species is increased significantly. The invention is beneficial to the breeding of endangered rare tree species which are difficult to breed.

The invention provides an embedded system for realizing software updating and software backup. The embedded system comprises a microprogrammed control unit (MCU), a program memory, a data memory, a nonvolatile random access memory (NVRAM) and a chip selection logic module, wherein the MCU is internally provided with or externally connected with the data memory; the NVRAM is used for storing operating requirement data and is connected with the MCU through a signal; the program memory comprises an application program storage block and a set-up / common program storage block which occupy differentaddress space; the application program storage block comprises an application program storage block-page 1 and an application program storage block-page 2 which are mutually independent; and the chipselection logic module is used for validating the set-up / common program storage block at once after switching on, and validating the application program storage block-page 1 and the application program storage block-page 2 in an effective time sharing mode. The embedded system is suitable for adopting an 8-bit MCU embedded system, which can realize the software updating and the software backup ofthe embedded system at the same time.

The invention relates to the field of daily supplies, in particular to a flowerpot which can be automatically watered at regular times. A timing automatic watering flowerpot comprises a pot body, a filtering plate, a pressurizing device, a water storage tank, a holding handle, a water inlet pipe, a faucet and a faucet switch timing device, wherein the pot body is formed by a pressurizing chamber and a planting chamber; a spring is arranged in a faucet switch; the faucet switch timing device comprises a battery box, a speed adjusting switch, a motor, a speed reducing gear and a disc; the motor is synchronously connected with the speed reducing gear and the disc. According to the timing automatic watering flowerpot disclosed by the invention, the circulating time of automatic watering can be adjusted through setting a speed reducing ratio of the speed reducing gear; the faucet switch is provided with the spring, so that the faucet can be automatically closed after being opened; a water tank is arranged, excess water of each watering can be stored for circulating use, an effect of saving water is obtained, the excess water is also discharged in time, and a plant cannot die during a growing process due to excessive watering.

The invention discloses a candida albicans rapid identification and cultivation susceptibility test kit which comprises a kit and a susceptibility panel, wherein, the kit comprises a box body which is internally provided with ultrapure water reagent, paraffin oil reagent, physiological saline reagent and candida albicans rapid identification culture medium; the susceptibility panel includes a panel body and a panel cover, wherein, the panel body is provided with a negative test hole and a positive test hole, a plurality of drug property comparison holes are arranged correspondingly to the negative test hole and the positive test hole, and the drug property comparison holes corresponding to the positive test hole is internally provided with test medicine. The invention also discloses a test method which comprises: culture fluid is firstly prepared and then added into the negative test hole to extract pathological change solution, and the pathological change solution is added into the culture fluid to obtain mixed solution; the mixed solution is added into the positive test hole and the drug property comparison holes to be cultured, and then the result is obtained. The candida albicans rapid identification and cultivation susceptibility test kit and the test method are simple in operation and short in testing period.

The invention discloses a culture medium for detection of microorganisms causing soy source spoilage and a detection method. The culture medium is obtained by dissolving raw materials with distilled water to a constant volume of 1000 mL, and adjusting the pH value of the solution to 5.0+ / -0.2, wherein the raw materials comprise 5-15 g of peptone, 3-8 g of casein, 5-10 g of a yeast extract, 2-7 g of a beef extract, 10-30 g of glucose and 3-8 g of sodium chloride. The detection method comprises the following steps: filling test tubes with the culture medium for sterilization; after the sterilization, inoculating a to-be-detected soy source sample for 48 hours' culture at a constant temperature of 30-37 DEG C; observing whether bubbles, muddy substances and bacteria films are generated or not, slowly adding a methyl red indicator along the walls of the test tubes without shaking, and observing whether the upper layers of culture solutions turn yellow or not. The culture medium helps aerogenic microorganisms reproduce and release gas within a relatively short period of time, and helps film-forming microorganisms reproduce and generate bacteria films within a short period of time; the detection method is simple; the detection result is accurate.

The invention provides a cultivating method of cross-year regrowing rice seeds. According to the cultivating method, wild rice containing cold-resisting and root-flourishing genes is adopted as a male parent, DS89-1 glutinous rice is adopted as a female parent, 3-5 times of recrossing is carried out, and then the cross-year regrowing rice seeds can be obtained. The invention further provides a seedling planting method of the cross-year regrowing rice seeds. Rice which is grown from the cross-year regrowing rice seeds obtained through the cultivating method and is planted according to the seedling planting method has the advantages of being high in yield and milled rice rate, good in rice quality, capable of regrowing in the next year and strong in cold resistance, drought resistance, lodging resistance and Magnaporthe oryzae resistance.

The invention discloses a device and a method for prolonging seed storage time and belongs to the field of seed storage. The device structurally comprises a bottle body, a bottle plug and separation layers. A bottle opening is arranged in the upper portion of the bottle body, the bottle plug is arranged at the position of the bottle opening, the separation layers are arranged in the bottle body, a middle hole is formed in the middle of each separation layer, a plurality of mesh holes are formed in each separation layer, a vent pipe is arranged on one side of the bottle plug, one end of the vent pipe is communicated with the inner cavity of the bottle body, and the other end of the vent pipe stretches out of the bottle plug. An oxygen sensor is arranged on the vent pipe on the outside of the bottle plug, a vent valve is arranged on the vent pipe between the oxygen sensor and the bottle plug, an air inlet pipe is arranged on the lower portion of the bottle body, and an air inlet valve is arranged on the air inlet pipe. Inert gas is utilized to cover seeds and delay the respiration action of the seeds to prolong the seed storage time accordingly. The device and the method have the advantages of being capable of effectively restraining respiration of the seeds, prolonging the seed storage time, delaying damage caused by oxidation respiration in the storage process of the seeds, effectively prolonging the service life of the seeds and the like.

Disclosed is a fast rooting flowerpot device and a using method thereof. The fast rooting flowerpot comprises a water storage layer, a breathable and water absorbing layer and a colonization layer. Water is discharged automatically through side drain holes when a water supplying level reaches the height of the storage layer. According to the fast rooting flowerpot device and the using method thereof, the existing flowerpot structure in which water enters from the up and drains from the down is improved to a side draining structure, the air hole at the bottom of the existing flowerpot is transferred to the side of the flowerpot, therefore the fast rooting flowerpot can supply more water, nutrients and oxygen for plant growth than the existing flowerpot, satisfy requirements for thriving of the plants, a cover of the flowerpot can be opened from the middle and cover on the fast rooting flowerpot to fix the plants after bypassing roots of the plants, and water capacity in the flowerpot can be adjusted. The fast rooting flowerpot device and the using method thereof have the advantages of being suitable for a plurality of plant cultivation methods, particularly supplying an optimal container for medium cultivating and hydroponic plants, being regarded as an important breakthrough for the existing flowerpots, and suitable for indoor and outdoor potting, home beautification, office green decoration, ecological improvement of air quality, landscaping, building decoration, various kinds of potted plants and the like.

The invention discloses a vegetation wall for an ecological corridor, comprising wall bodies. A planting trough is formed in the front side of each wall body; splicing structures are arranged at two sides of the wall body; a water storage and supply mechanism comprising a water storage slot formed on the upper wall of the wall body is arranged inside the wall body; a regulating slot is formed inside the wall body and disposed at the upper end of the wall body, a regulating box is arranged inside the regulating slot, the outer wall of the regulating box is attached on the inner wall of the regulating slot closely, the regulating box is elastically connected with the inner bottom of the regulating slot through first springs, and a guard plate is fixedly connected to the inner wall of the regulating box and provided with a water limit hole in the middle. The vegetation wall is easy to be mounted and demounted and has high flexibility; by application of the vegetation wall, vegetation canbe protected against being drowned by excessive water in rainy days and can be watered automatically intermittently in a high-temperature weather to avoid drought, and besides, great time and effort are saved for work staff.

The invention relates to lactobacillus powder, a preparation method thereof, and a product containing the powder. The lactobacillus powder is characterized in that the matrix structure (bacterial block) of double-coated lactobacillus formed by proteins and polysaccharides is solidified by utilizing the edible agar. According to the invention, the double-coated lactobacillus powder including the proteins and polysaccharides of the edible agar has an enhanced acid resistance, an enhanced bile resistance and an enhanced accelerated testing stability, and can be effectively used for preparing a plurality of lactobacillus-containing products.

The invention relates to a process and system for industrially producing glycosylglycerol, and belongs to the field of glucoside preparation. The system comprises a culture system, a collection system, an extraction system and a purification system which are connected in sequence. When a microalgae cell with high content of GG is cultured, a mixed solution of a metabolic product extracted from themicroalgae cell by utilizing the ecological characteristic of microalgae cell metabolic response mechanism while the microalgae cell activity and biology are relatively stable, and a mated device isdesigned, so that the efficiency for collecting and extracting the microalgae cell can be greatly improved, and the production cost for the metabolic product in the microalgae cell can be remarkably reduced. Finally, the invention further develops a process for separating and purifying GG from an extracting solution, and a whole set of process and system for industrially producing glycosylglycerol, which have an important practical significance for GG large-scale application.

The invention discloses a method for cultivating seedlings of agalloch eaglewood. The method is characterized by adopting cuttage for seedling cultivation, and comprising following steps: 1), stock plant cultivation; 2), scion collection and processing; 3), cutting medium preparation which comprises steps as follows: a cutting container cup is adopted to be filled with nutrient media for cutting, the filled nutrient media comprise a first layer of media, a second layer of media and a third layer of media from bottom to top, the first layer of media is formed by mixing black soil, red loam, coco coir and leaf mold in a mass ratio being 3:1:1:2, the second layer of media is formed by mixing black soil, red loam, wormcast and leaf mold in a mass ratio being 1:2:2:1, and the third layer of media is formed by mixing red lam and wormcast in a mass ratio being 4:1; 4), cutting process comprising steps as follows: the part below the cutting girdling position is inserted into the nutrient media, and the cutting inserting depth does not exceed one third of the second layer of media. According to the method for raising the seedlings by cutting, only 45 days are needed from the cutting stage to the rooting and seedling development stage and the survival rate is up to 93.8%.

The invention discloses a secondary inarching cultivation method for controlling passion fruit stem base rot. The method comprises the following steps of (1) selection of an anti-stem base rot virus-free grafting seedling, (2) selection of an inarching variety, (3) soil preparation and ground under tree canopy arrangement, (4) planting, (5) vine guiding, pinching and topping, (6) primary inarching, (7) secondary inarching and (8) cutting of a stem base rot occurrence part. Influences of the passion fruit stem base rot can be controlled; three anti-stem base rot main branches provide nutrientsfor each fruit-bearing plant, the plant growth is promoted significantly, the yield is improved, if one branch is infected with the stem base rot, the stem of the infected part needs to be timely cutoff, the planted plant can be ensured not to die due to infection of the stem base rot within one year, the purposes of high quality, high efficiency and high yield of passion fruits can be realized,and the practical significance in production is achieved.

The invention belongs to a diary product field and in particular relates to an active lactic acid bacteria drink and a production method thereof. In the active lactic acid bacteria drink of the invention, water is a base material and components with the following quality content are included: 0.5%-2.0% of beneficial bacteria, 0.8%-1.2% of protein, 1%-5% of glucose, 9%-12% of sucrose and 0.4-0.5% of emulsification stabilizer. The active lactic acid bacteria drink of the invention increases quantity of live bacteria of the lactic acid bacteria and the drink contains both animal protein and plant protein. Besides, through filtering and reasonably collocating strain of the lactic acid bacteria, over 0.1 billion live bacteria exist in the products per milliliter so that a large amount of bacteria can live in intestinal tract and reach a large quantity so as to bring the function of regulating flora and improving immunity.

The invention discloses a honey extractor, belonging to the technical field of honey collecting appliances. The honey extractor comprises a honey extracting framework, wherein the honey extracting framework is arranged in a honey containing barrel through a rotating shaft; a groove for installing a honeybee comb is formed in the honey extracting framework; the honey extracting framework is provided with an upper supporting rod and a lower supporting rod; an upper cross beam and a lower cross beam are respectively connected between the inner walls of the honey containing barrel; one end of the rotating shaft is arranged on the upper cross beam in a penetrating way by penetrating through the upper supporting rod; the other end of the rotating shaft is arranged on the lower cross beam in the penetrating way by penetrating through the lower supporting rod; the lower supporting rod is provided with a honeybee driver which is connected to the rotating shaft in a clamping way. According to the honey extractor disclosed by the invention, the problem of an existing honey extractor that honeybees are easy to get in the existing honey extractor to cause death can be solved.

The invention discloses a portable biological reagent kit. The portable biological reagent kit comprises a shell; an upper cover is installed at the upper end of the shell; the front inner wall and the rear inner wall of the shell are each fixedly connected with two first circular rings; second circular rings concentric with the four first circular rings are arranged in the four first circular rings, and the four second circular rings are all fixedly connected with the inner wall of the shell; every two arc-shaped blocks which are arranged up and down are slidably connected between the first circular ring and the second circular ring on the same side; and every two arc-shaped blocks are jointly and fixedly connected with a vertical rod, and a horizontal plate is fixedly connected between every two vertical rods which are opposite front and back. The portable biological reagent kit is reasonable in structure, it can be guaranteed that the horizontal plate is always in a horizontal state, that is, the biological reagent kit is always in a horizontal state, so that the situation that liquid in the biological reagent kit contaminates the inner wall of the biological reagent kit with alarger area is avoided, the possibility that cultured cells die or leak out is avoided, and the damping effect on the biological reagent kit is better.

The invention discloses a rapid domestication method for breeding young pomfret. The method comprises 4 domestication stages, wherein in the first stage, the pomfrets are domesticated to uniformly gather and swim in circles so that fixed-point feeding can be performed in the second stage; in the second stage, the method that artificial bait cooperates with natural bait is used, the young pomfretsare helped to be familiar with artificial feed; in the third stage, the young pomfrets are more familiar with the feed, and by domesticating the young pomfrets to go up to a feed platform, a feeding method of conventional bait spreading is converted into feed platform feeding, thereby further improving the feeding rate of the pomfrets; in the fourth stage, the young pomfrets are basically domesticated to be fed in the mode of feed platform feeding, and basically adapt to the artificial feed. Through the method of domesticating the pomfrets to swim regularly, to be familiar with the artificialfeed and to go up to the feed platform to be fed with artificial feed, the adaptability of the young pomfrets to the artificial feed is better, the adaptability speed is higher, the number of the young pomfrets with floating and flatulence is smaller, the residual bait rate is less than 2%, and the survival rate is increased from the original 50% to about 91%.

The invention provides a white sour soup of wax gourds. The white sour soup is made of wax gourds, glutinous rice flour, lactose, salt, lactobacillus plantarum, lactobacillus acidophilus, xanthan gumand water. The making method comprises the steps that peel of wax gourds is removed, seeds of the wax gourds are removed, the wax gourds are cleaned, cut, smashed and mixed with water, the glutinous rice flour, lactose, salt, lactobacillus plantarum and lactobacillus acidophilus are added, mixing and stirring are conducted, after sealing anaerobic fermentation, the mixture is ground into slurry, and through pasteurization, the white sour soup of the wax gourds is obtained. The mass fraction of the wax gourds in the white sour soup is large, and the nutrients of the white sour soup are enriched; through lactobacillus plantarum and lactobacillus acidophilus, the fermentation process can be accelerated; through lactose, the sour is soft, partial lactose is fermented into lactic acid, corrosion prevention and fresh preservation can be achieved, the white luster of the white sour soup is maintained, and bacterium generation is inhibited; through xanthan gum, the stability is improved, the thickness of the white sour soup of the wax gourds is moderate, and layering is not generated. The made white sour soup of the wax gourds is fine in texture and smooth in taste, and through pasteurization, the soap has a large number of beneficial bacteria and is beneficial to the safety of the human body after being eaten.

The invention relates to the technical field of pepper seedling cultivation, and discloses a cultivation method of overwintering pepper seedlings. The cultivation method of the overwintering pepper seedlings comprises the following steps of S1, selecting seeds and soaking the seeds in pesticide; S2, controlling the temperature to germinate; S3, carrying out base-divided seedling raising; S4, carrying out field management; and S5, transplanting seedlings. According to the method, a warm water and liquid medicine soaking method is adopted in the seed selection stage, the seeds soaked with a sodium phosphate solution and a sodium hydroxide solution can effectively prevent virus diseases, the seeds soaked with the copper sulfate can effectively prevent anthracnose and bacteria, the disease resistance of the seeds is enhanced, and germination of the seeds can be effectively promoted through temperature control germination, so that the germination time of the seeds is effectively prolonged,the subsequent seedling strengthening rate is high, and it is guaranteed that the seedlings can adapt to environment changes and cannot die due to temperature changes; and by adopting a ridged planting mode, the fertilization amount and the pesticide spraying amount can be effectively controlled, and the situation that due to uneven fertilization or pesticide spraying, the seedling growth difference is too large, consequently the subsequent fruiting rate is uneven, and the yield is lowered is avoided.

The invention discloses an Australian freshwater crayfish circulating-water egg-holding hatching system and a young crayfish breeding method. The system comprises a heat-preservation greenhouse, a water storage tank, a sedimentation tank, a mechanical filtering device, a constant-temperature device, an ultraviolet sterilization device, a biological filter device and an ecology-simulated artificialstream; all the components are arranged in the heat-preservation greenhouse; the sedimentation tank and the mechanical filtering device are respectively provided with sewage discharging pipes; a meshscreen is arranged on the water surface of the sedimentation tank, and most of the lower part of the mesh sieve is immersed under the water surface; the ecology-simulated artificial stream is a plurality of water channels, and mesh screens are suspended at a certain distance in each water channel; parent crayfish culture boxes and gravel are placed into the bottoms of the water grooves, and watergrass is planted among the gravel. According to the system provided by the invention, water quality change can be guaranteed to be stable, and the stress reaction of the parent crayfish and juvenilecrayfish in a breeding stage can be effectively avoided, so that the egg-holding hatching rate is further improved. The culture boxes immersed in the ecology-simulated artificial stream are used for independently breeding parent crayfish, so that the parent crayfish can be effectively prevented from being attacked or interfered by other crayfish, and a good condition is created for improving the egg-holding hatching rate.

The invention relates to the field of rice planting, in particular to an agricultural rice planting device. The agricultural rice planting device comprises a seeding machine body, a discharging device, a sunshade device, a water spraying device and a soil loosening device; the seeding machine body comprises a base plate, a control assembly and a driving assembly, the control assembly is arranged at the front end of the base plate, the driving assembly is installed below the base plate, a partition plate is vertically arranged on the base plate to isolate the base plate into a control chamber and a storage chamber, the control chamber is formed in the side portion of the control assembly, the storage chamber is formed in the side, away from the control assembly, on the base plate, and the side, away from the partition plate, of the storage chamber is provided with a storage case; the discharging device is fixedly arranged at the side portion of the storage case, the soil loosening device is arranged at the side portion of the base plate, the sunshade device is installed at the upper end of the storage case, and the water spraying device is arranged between the partition plate and the storage case. By means of the device, the survival rate of rice planting is greatly increased.

The invention discloses a defoliating and yield-promoting agent which comprises the active ingredients, namely thidiazuron and potassium chlorate. The defoliating and yield-promoting agent further comprises a solid penetrant and a sold dispersing aid. The defoliating and yield-promoting agent is applied in the cotton harvest time and can be used for effectively controlling the defoliation of cotton leaves, prolonging the reproductive stage of cotton and improving the cotton quality. The added solid penetrating agent and the added solid dispersing are more beneficial to absorption of cotton plants. The defoliating and yield-promoting agent is longer in pesticide effect duration time, enables nutritional ingredients of the leaves at a dark green state to be rapidly transferred to cotton rolls of the cotton plants to ensure that the cotton plants cannot wither and has the advantages of thoroughly solving the marcescence problem, reducing the pollution of the leaves on machine-harvested cotton, improving the quality and efficiency of mechanical cotton picking operation, promoting synthesis of fiber of cotton, increasing the cotton boll weight and reducing the cotton boll drop-out rate.