21results about How to "Reduce disease" patented technology

The utility model provides an integrated culture pond water flow circulation oxygenation device, which relates to the field of aquaculture, and comprises a main pipe, one end of the main pipe is provided with a pump body, the water outlet end of the pump body is connected with the main pipe, the other end of the main pipe is fixedly connected with an oxygenation cylinder, and one side of the pump body is provided with a processing shell. And a water inlet pipe is arranged on the shell wall of the top end of the treatment shell. According to the utility model, through the matching design of the built-in shunting disc and the plurality of fixed shunting pipes, water flow can be accurately distributed, so that small water flow is formed for subsequent efficient oxygenation treatment, dissolved oxygen is ensured to be uniformly distributed in circulating water flow, and a more stable and high-quality dissolved oxygen environment is provided for cultured organisms; a filtering drawing box is arranged in the treatment shell, the drawable design is adopted, a sealing plate is controlled to be opened and closed through a motor and a thread adjusting structure, a steel filter screen in the treatment shell can be conveniently and regularly cleaned, and the water quality can be kept clean by regularly cleaning the filtering drawing box.

The invention discloses a one-film six-row wide-narrow-row close-planting staggered planting method for cotton, which comprises the following steps: measuring the soil nutrient content of a region to be planted, calculating the comprehensive score of soil fertility, selecting a basic plant spacing according to the tillering coefficient of a cotton variety, fitting an accumulated temperature correction function, calculating a predicted value of the tillering rate, and calculating a dynamic offset in combination with the latitude of a planting field. Determining a narrow row spacing and a sowing depth according to the dynamic offset, extracting a growth picture of the same variety of cotton in the same region after the flowering and boll-setting period, extracting a planting row spacing mean value of the canopy coverage in a preset range as a wide row spacing, planting cotton according to the basic plant spacing, the narrow row spacing, the wide row spacing and the sowing depth, and monitoring the canopy photosynthetically active radiation in real time. And dynamically regulating and controlling a drip irrigation fertilization strategy according to the photosynthetically active radiation of the canopy. By means of the method, the photosynthetic efficiency, the water and fertilizer utilization efficiency and the stress resistance of cotton groups can be improved, a brand new technical path is provided for high-yield and high-quality cultivation of cotton, and the method has important significance in promoting intelligent transformation of the cotton planting industry.

The utility model relates to the technical field of rice breeding, in particular to a germination accelerating and seedling raising device for rice breeding, which comprises a mounting frame, a placing frame, a sliding block, a mounting frame, a seedling raising frame, a connecting plate, a buckling groove, a movable plate and a buckling column, multiple sets of placing frames are sequentially installed in the installation frame from top to bottom, sliding blocks slidably connected with the installation frame are installed at the rear ends of the two sides of the placing frames, and multiple sets of seedling raising frames used for placing rice seedlings are arranged in the placing frames in a buckled mode; according to the seedling raising device, the placement frame can easily slide in the mounting frame through the design of the sliding blocks, meanwhile, the pulling plates, the buckling columns and other assemblies are arranged, a user can conveniently and rapidly fold or disassemble the seedling raising frames, and the seedling raising device is convenient to use and high in practicability. Through the design of the buckling grooves, multiple groups of seedling raising frames can be conveniently connected together or detached for checking, and the growth condition of each group of rice seedlings can be conveniently managed and observed.

The utility model relates to the technical field of seedling raising devices, in particular to a seedling raising device for rice planting, which comprises a rotating disc, a sprinkler pipe, a light shield, a seedling raising box and an adjustable seedling raising hopper, through the design that the rotary sprinkling pipe is matched with multiple groups of spray pipes, uniform sprinkling of a water and fertilizer solution in the seedling raising box is realized, the problem of uneven dryness and humidity caused by traditional manual watering is avoided, root rot or local drought is effectively prevented, and the germination rate and the seedling uniformity are improved; the adjustable seedling raising hopper driven by an air cylinder is adopted, the seedling raising depth can be flexibly adjusted according to the root system requirements of different rice varieties, the root system growth environment is optimized, the transplanting survival rate is increased, the light shield is provided with an adjustable light source, the seedling raising state is monitored in combination with an infrared laser, precise light supplementing or shading is achieved, and the illumination requirements of different growth stages are met; healthy growth of seedlings is promoted, and the overall seedling raising effect is improved.

The invention provides a composted straw composite polysaccharide microbial agent as well as a preparation method and application thereof, and belongs to the technical field of microbial agents. The composted straw composite polysaccharide microbial inoculum is prepared from the following raw materials in parts by weight: 3-5 parts of soybean oligosaccharides, 1-1.5 parts of yeast zinc, 2-3 parts of photosynthetic bacteria flora, 2-3 parts of lactic acid bacteria flora, 5-6 parts of EM bacteria, 70-72 parts of animal amino acids and 10-15 parts of trehalose. The polysaccharide is added to assist microbial fermentation, so that the microbial fermentation speed is remarkably increased, the time required for straw decomposition is shortened, the soil fertility is improved, the crop quality is improved, and diseases are reduced.

The utility model relates to a kind of partition type continuous breeding mechanism and its breeding system, including automatic in-out material mechanism, breeding layer and environmental control mechanism;The side plate and two automatic doors with the automatic in-out material mechanism contact, form breeding space, the breeding space is divided into at least two breeding areas, each described breeding area is provided with environmental control mechanism, and at least one described breeding area is provided with material loosening mechanism;At least one described breeding area is provided with automatic door in both ends.The utility model breaks the traditional overall one-time feeding breeding mode, divides breeding space into several breeding areas, for different needs of insects and plants in different growth stages to environment and material, each breeding area can be respectively accurately controlled, to provide more suitable growth conditions for insects and plants, shorten breeding cycle, improve the growth speed and quality of insects and plants.

The invention relates to an integral crossing plate and road joint settlement control method, which comprises the following steps: (1) roadbed treatment and steel slag water stable layer construction: compacting a roadbed at the bottom of a foundation pit, mixing steel slag and gravel according to a ratio, paving and compacting in layers, and forming a stable steel slag water stable layer; (2) foundation construction is conducted, specifically, a foundation bottom plate structure or a tower-shaped structure is adopted for foundation construction; (3) mounting the crossing plates: hoisting the whole crossing plates to the mounting positions, adjusting the levelness and the position relationship with the road joint, and welding and connecting two adjacent crossing plates by using a steel plate embedded part; and (4) transition section construction: carrying out transition section construction with a certain length between the pavement and the crossing plate. Sufficient and uniform basic rigidity is provided for the integral crossing plate and the crossing pavement, the rigidity difference of adjacent structures at the joint of the integral crossing plate and the road is effectively reduced, differential settlement is controlled, and the diseases such as bumping are reduced.

This invention discloses a fermented feed based on fresh ginger vines and its application in improving the growth performance of fattening pigs. Belonging to the field of livestock feed processing, it is prepared by fermenting pretreated fresh ginger vines and fruit pomace with the addition of a mixed microbial agent. The resulting fermented feed based on fresh ginger vines is mixed with a basic feed and used to feed fattening pigs. This results in improved disease resistance, reduced disease incidence, increased feed intake, and lower production costs.

The present invention discloses an ecological planting method for reducing the disease infection rate of Pseudostellaria heterophylla and improving its yield and quality by covering with shading screens, belonging to the technical field of medicinal plant cultivation. A shading facility is built in the middle and late growth stages of Pseudostellaria heterophylla under high temperature, strong light and rainy conditions; the method for building the shading facility is as follows: in the middle growth stage of Pseudostellaria heterophylla, a support is built above the planting area, and a shading screen is covered on the support to adjust the light intensity in the field. The planting method of Pseudostellaria heterophylla is applicable to the planting area of Pseudostellaria heterophylla in the south with high temperature and high humidity. The middle stage is the middle of April, and it is covered until the harvest of Pseudostellaria heterophylla in early July. By building a shading facility, the microclimate environment for the growth of Pseudostellaria heterophylla is optimized, thereby reducing the incidence of plant diseases, promoting photosynthetic growth, improving yield and quality, etc. This method has the advantages of simple operation, low cost, ecological environmental protection, etc., can significantly improve the yield and quality of Pseudostellaria heterophylla, and achieve the synergistic effect of disease prevention and control and growth regulation.

This utility model discloses a road surface widening and reinforcement structure, relating to the field of highway construction technology. It includes a vertical stepped structure, a longitudinal cast-in-place layer, a longitudinal cast-in-place top layer, and crack-resistant components. The vertical stepped structure is formed by cutting the old road surface base layer with a longitudinal cutting machine to create a stepped overlapping interface, with the cutting depth consistent with the thickness of the corresponding structural layer. The longitudinal cast-in-place layer is placed at the joint between the old and new road surfaces in the cement-stabilized crushed stone lower base layer, and the longitudinal cast-in-place top layer is placed at the joint of the upper base layer with its top surface flush. The crack-resistant components include ribbed steel bars transversely embedded in the middle of the upper base layer, crack-resistant wire mesh laid at the bottom of the lower base layer, and crack-resistant tape covering the joint of the upper base layer. This utility model achieves a seamless connection between the old and new road surfaces, forming an integrated load-bearing system and significantly improving the road surface's load transfer capacity and deformation resistance.

This application relates to a tunnel invert drainage system, comprising a longitudinal blind pipe at the tunnel bottom, a vertical blind pipe at the tunnel bottom, a circumferential blind pipe, a drainage layer, precast no-fines concrete blocks, a waterproof membrane, a transverse blind pipe, a back-adhesive waterstop, a centrally embedded waterstop, and a galvanized steel plate waterstop. The drainage layer includes self-adhesive fabric, a drainage membrane, and geotextile layered sequentially on the initial support surface; precast no-fines concrete blocks are placed on the longitudinal blind pipes of the low sidewall; the waterproof membrane wraps around the longitudinal blind pipes of the low sidewall and the precast no-fines concrete blocks; the transverse blind pipes are located on both sides of the circumferential construction joint, with drainage holes on both sides of the construction joint, the drainage holes communicating with the transverse blind pipes and the longitudinal blind pipes of the low sidewall; the back-adhesive waterstop is adhesively bonded to the waterproof membrane; the galvanized steel plate waterstop is fixed at the construction joint and adhesively bonded to the centrally embedded waterstop. This tunnel invert drainage system enables effective collection and efficient discharge of groundwater, thereby effectively reducing water pressure at the bottom of the invert.

This invention relates to the fields of genetic engineering and enzyme engineering, and particularly to glucose dehydrogenase mutants, their preparation methods, and their use in the synthesis of NMNH. The glucose dehydrogenase mutants are obtained by mutation at one or more sites at positions 39, 51, 75, 93, 157, 195, 208, or 236 of the amino acid sequence of the wild-type glucose dehydrogenase. The glucose dehydrogenase mutants of this invention exhibit high catalytic activity and can efficiently catalyze the synthesis of NMNH from NMN. Using the constructed glucose dehydrogenase mutants to catalyze the synthesis of NMNH from NMN, the yield of NMNH can reach 41.2 g / L.

The invention relates to the technical field of fertilizers, in particular to a special organic fertilizer for dendrobium as well as a preparation method and application thereof. The special organic fertilizer for dendrobium nobile comprises the following components in parts by mass: 20-40 parts of sheep manure, 10-20 parts of forestry and agricultural residues, 15-25 parts of rape seed cakes, 5-10 parts of peat soil, 2-5 parts of shell powder, 5-10 parts of diatomite, 0.5-1 part of chelated trace elements and 1-2 parts of a microbial agent. The prepared special organic fertilizer for dendrobium nobile has the pH value of 5.0-6.2, is balanced in nutrition and excellent in air permeability, and can adapt to the growth environment of dendrobium nobile, promote the root development of dendrobium nobile and improve the yield and quality of dendrobium nobile. And a basis is provided for industrial production of dendrobium nobile.

This invention discloses a dry heat treatment method for tomato seeds to enhance seed vigor and extend storage life, relating to the field of tomato seed storage technology. The method includes: selecting mature, plump, and undamaged commercial tomato seeds with consistent maturity and maintaining appropriate moisture content; placing the pre-treated seeds in a single layer on a tray and placing it in a dry heat treatment device, performing dry heat treatment sequentially according to a preset program; comparing the germination indicators of dry heat-treated and untreated seeds to determine the effect of the dry heat treatment; and sealing and storing tomato seeds with qualified germination rates. This invention, through precisely controlled stepwise heating and high-temperature constant-temperature sterilization, effectively activates the seed's internal repair enzyme system while inhibiting metabolic processes that lead to seed deterioration, avoiding physical or physiological damage to the seeds caused by high-temperature treatment, and effectively preventing seed coat cracking, radicle burn, or excessive dehydration.

A visual electric tooth gap brush comprises a control machine body, a flushing assembly and a rotating mechanism are installed on the control machine body, a water spraying opening of the flushing assembly is located below the rotating mechanism, a micro camera is installed at the top of the rotating mechanism, a tooth gap brush body is installed at the face end of the rotating mechanism, and an extension water pipe is arranged at the lower end of the control machine body. A water storage cup body is installed on the side edge below the control machine body. The electric tooth gap brush has the advantages that the micro camera and the water spraying assembly are additionally arranged on the electric tooth gap brush, when a user cleans teeth, the user can observe the tooth cleaning condition of the user in time through the micro camera, the tooth cleaning operation can be carried out in a more targeted mode, the water spraying assembly can be matched with the tooth gap brush to clean the teeth, and the user experience is improved. The user does not need to continuously rinse the mouth, the use experience of the user is improved, and the electric interdental brush is convenient for the user to clean stubborn food residues, reduces plaque aggregation, and reduces the onset and aggravation risks of periodontal diseases.

This utility model proposes a cold-proof and warm cattle shed structure for suckling calves, relating to the field of animal husbandry technology. It includes two sets of support columns, with two columns in each set. A lower crossbar and an upper crossbar are fixed between the two support columns. A support frame is fixed to the top of the upper crossbar, and a set of heat lamps is installed at the top of the support frame. Cold-proof cloth is fixed to the outer surface of the support frame and the support columns. This cold-proof and warm cattle shed structure for suckling calves can store electricity through photovoltaic panels during the day and turn on the heat lamps at night to heat the inside of the shed. Simultaneously, a first and second magnetic stripe is used to close the windbreak curtain, effectively blocking cold air from entering without affecting the cattle's entry and exit, preventing heat loss from the inside of the shed, and reducing the morbidity and mortality rates of suckling calves. After adjusting the two sets of support columns to a suitable distance, they are inserted into the ground, allowing for quick installation and disassembly of the cattle shed, facilitating its storage and transportation.

This invention discloses a method and system for artificial brooding and rearing of weak Baer's Pochard chicks, including: maintaining the temperature and monitoring the weight of 1-3 day old Baer's Pochard chicks; adjusting the environmental temperature of 4-10 day old Baer's Pochard chicks, lowering the first environmental temperature to a second environmental temperature for warm rearing; providing nutritional support to 4-10 day old Baer's Pochard chicks using a quantitative feeding method; establishing a health assessment system for 4-10 day old Baer's Pochard chicks; establishing a staged net cage and tiered swimming pool for 4-10 day old Baer's Pochard chicks for the first stage of functional training; and conducting health monitoring and nutritional adjustments for 11-30 day old Baer's Pochard chicks, and conducting a second stage of functional training based on the second stage of feeding net cages and the third stage of swimming pool. This method addresses the problem of high mortality risk in Baer's Pochard chicks within the first month of life.

The invention discloses a fermented feed for promoting ruminants to efficiently utilize soluble proteins as well as a preparation method and application of the fermented feed, and belongs to the technical field of animal feeds. The fermented feed is prepared by fermenting a substrate consisting of cottonseed meal, corn flour and bran with a compound bacteria solution, and the substrate comprises the following components in percentage by mass: 5-31% of cottonseed meal, 2-31% of corn flour and 38-93% of bran; the mass of the composite bacterial liquid is 8-10% of that of the substrate, and the composite bacterial liquid is prepared by compounding a candida tropicalis bacterial liquid and an enterococcus faecalis bacterial liquid according to a volume ratio of 1: 1, wherein the concentrations of the candida tropicalis bacterial liquid and the enterococcus faecalis bacterial liquid are both 108 CFU / mL. The preparation method comprises the following steps: crushing and sieving the substrate, mixing, adjusting the water content to 40%, spraying the compound bacteria liquid, uniformly mixing, and fermenting at a constant temperature of 30 DEG C. According to the invention, the substrate ratio and the fermentation process are optimized, the utilization efficiency of soluble protein by ruminants is improved, the rumen fermentation environment is improved, meanwhile, the nitrogen emission is reduced, and economic benefits and environmental protection values are achieved in animal production.

The utility model discloses a water seal well for a blow-off pipeline, which comprises a well body, the well body comprises a well seat, a shaft and a well lid, the upper end of the well seat is in socket connection with the lower end of the shaft, the well lid is arranged at the top of the shaft, a hollow water seal tank is formed in the middle of the well seat, and water seal liquid is filled in the water seal tank; a water inlet pipe and a water outlet pipe are connected to the peripheral side of the well base, the water inlet pipe is connected with an indoor blow-off pipeline, and the water outlet pipe is used for discharging sewage and gas; the end, connected with the well base, of the water inlet pipe is further connected with a flow guide pipe, the end, away from the water inlet pipe, of the flow guide pipe extends into the water seal tank, and an outlet of the flow guide pipe is located in water seal liquid of the water seal tank. According to the water seal well for the blow-off pipeline, the water seal effect of the water seal well is stable and reliable, harmful gas of an outdoor blow-off pipe network can be effectively prevented from entering a room, the water seal well is particularly suitable for a blow-off pipeline system of a farm, diseases are reduced, and breeding benefits are improved.

The application relates to the technical field of feed additives, and particularly discloses a feed additive for laying hens, a feed for laying hens and a preparation method thereof. The feed additive for laying hens specifically comprises the following components in parts by weight: 120-140 parts of ligustrum lucidum, 120-140 parts of angelica sinensis, 100-120 parts of chuanxiong rhizome, 100-120 parts of astragalus root, 80-100 parts of curcuma longa, 80-100 parts of tagetes erecta, 60-80 parts of hippophae rhamnoides, 60-80 parts of hippophae rhamnoides leaf, 60-80 parts of cuscuta chinensis, 60-80 parts of rhodiola rosea, 20-40 parts of cordyceps militaris and 30-50 parts of a stabilizer; the stabilizer is composed of zeaxanthin, glucosinolate and flaxseed gum in a weight ratio of 20-40:10-20:5-10. The feed additive for laying hens and the feed for laying hens provided by the technical scheme can obviously improve the egg production rate of the laying hens and obviously improve the quality of the eggs.

The invention belongs to the technical field of seed treatment, and relates to a growth-promoting microbial active seed for repairing degenerated typical grassland and a preparation method thereof, and the preparation method comprises the following steps: preparing a carrier growth-promoting microbial agent from a specific strain; after grass seeds are disinfected and soaked, a carrier growth-promoting microbial agent is firmly loaded on the surfaces of the seeds by adopting a process of coating the seeds with a functional material layer by layer, and the growth-promoting microbial active seeds are prepared. The method effectively solves the problems of difficult seed field planting, low survival rate, weak seedling stress resistance, soil micro-ecology imbalance and the like in degenerated typical grassland reseeding. After the prepared growth-promoting microbial active seeds are sown, the emergence rate and the survival rate of forage grass can be remarkably increased, plant growth is promoted, rhizosphere soil improvement and ecological function restoration are synchronously achieved, and an efficient and reliable technical means is provided for rapid and sustainable restoration of degenerated typical grassland.