90results about How to "Reduce the number of deaths" patented technology

The invention discloses a laying hen feed taking nuts as feed components and a classified feeding method of the laying hen, wherein the classified feeding method comprises laying hen feed preparing, laying hen drying water preparing, laying hen classifying and a laying hen feeding method. The laying hen feed is characterized in that the laying hen feed has nut components, wherein the nuts comprise shelled melon seeds (A3), peanut kernels (A4), perilla seeds (A15), castor seeds (A25), sesames (A34), and the like. According to the laying rate, the laying hens are classified into ri laying hens, mu laying hens, chang laying hens, jing laying hens and to-be-selected laying hens; a feed component (A), a feed component (B) and standard feed (M) are pre-mixed according to a certain weight ratio to prepare a mixed feed (X); the mixed feed (X) is fed for a laying hen crowd with different laying rates according to a certain number of the laying hens to feed the laying hens; a drinking water component (C) and a drinking water component (D) are added into standard drinking water (W) in a ratio of (C) (1-5): (D) (2-10), 700g-1000g in total, by respectively adopting a penetrating method to prepare mixed drinking water (Y) for the laying hens to drink. After the method is adopted to feed the laying hens, the egg product quality can be effectively improved, meat quality of obsolete laying hens can be improved, and great economic benefits can be brought for the breeding industry.

An internet of things for prevention and control of road traffic accidents, consisting of a management center processing device, a vehicle entrance and exit processing device, and a vehicle-mounted wireless sensor device, the latter including a single-chip microcomputer, a GPS module, a wireless transceiver module, a collision sensor, a voice and display reminder module, and the like. A road traffic accident prevention and control method, comprising a management center processing module, a vehicle entrance and exit processing module, and a vehicle-mounted wireless sensor processing module, the latter including a vehicle distance, vehicle speed, abnormal parking calculation and processing module, collision perception and processing module, voice and Display reminder module, exchange information module and so on. The present invention can effectively prevent and control malignant traffic accidents on modern highways, and can directly send accident information to follow-up vehicles within a very short time after accidents occur to prevent serial collisions, and continue to send information to various toll stations and management centers, and timely Rescue measures can be taken to remind the driver of the distance and speed of the vehicle in time, effectively avoiding the occurrence of vicious traffic accidents on the expressway.

A road traffic accident prevention and control device is composed of a single-chip microcomputer, a GPS module, a wireless transceiver module, a collision sensor, a voice and display reminder module and the like. A road traffic accident prevention and control method, comprising a vehicle distance, vehicle speed, abnormal parking calculation and processing module, a collision perception and processing module, a voice and display reminder module, and mutual information transmission modules. The present invention can effectively prevent and control malignant traffic accidents on modern highways, and can directly send accident information to follow-up vehicles in a very short time to prevent serial collisions, and continue to send information to various toll stations and management centers, and timely Rescue measures are taken to remind the driver of the distance and speed of the vehicle in time, effectively avoiding the occurrence of vicious traffic accidents on the expressway.

The invention discloses an environment-friendly pig feed and belongs to the technical field of animal feeds. The environment-friendly pig feed does not contain antibiotics or trace amount of hormones and comprises complex enzyme, traditional Chinese medicines, trace elements and the like. By reasonable feed combination and the selection of additives, the cost of the feed is lowered and the utilization ratio of the feed is improved; the feed conversion ratio of the environment-friendly pig feed is reduced by 3-5% in comparison with the feed conversion ratio of a common feed, and the cost of the feed is lowered by 10-15% in a culture cycle; microorganism complex enzyme needed by the pig bodies is selected for supplying and adjusting the microorganisms in the pig bodies in terms of number and type, maintaining the balance of microorganisms in intestines in pig bodies, decomposing crude fibers in the feed, and generating antibiotics-like, antibacterial peptide, interferon, organic acid, multienzyme, polyphenols to replace antibiotics, so that the immunity and the antimicrobial ability of animals can be improved well, and the illness and death rate are decreased obviously. Tested by agricultural product quality supervision, inspection and analysis test center of the ministry of agriculture, captive pigs fed with the environment-friendly pig feed reach the environment-friendly standard.

The invention provides a Shuanghuanglian oral liquid for aquatic livestock culture and a preparing method thereof, which relates to the field of aquiculture, in particular to a traditional Chinese medicine product for disinfecting culture water and for aquatic livestock antibacterium by oral administration in the aquatic culturing process. The Shuanghuanglian oral liquid contains active ingredients which are extracted from 250-450 parts of honeysuckle, 250-450 parts of baikal skullcap root and 600-800 parts of forsythia in distilled water which is 10-15 times of the total parts of the ingredients. The preparing method comprises the following steps of: adding the honeysuckle, baikal skullcap root and forsythia together into the distilled water, uniformly mixing and soaking; adding merchant cellulase, uniformly mixing, and performing enzymolysis at the normal temperature; then, conventionally filtering, and conventionally condensing filter liquor to obtain brown supernatant liquid which is the oral liquid. The Shuanghuanglian oral liquid is used for the field of aquiculture, thereby greatly decreasing the labor strength and labor cost of culturists.

The invention discloses a fireproofing anti-theft escape net which aims to achieve the goal that people can rapidly escape when a fire hazard happens to reduce the death number of people in the fire hazard. The fireproofing anti-theft escape net has a simple structure. The invention adopts the following technical scheme that the fireproofing anti-theft escape net comprises an anti-theft net; the anti-theft net is provided with an escape way which can extend outwards; the escape way is provided with a track cable; one end of the track cable is connected with the anti-theft net, and the other end is connected with the escape way; and the escape way is provided with an escape window. Compared with the prior art, because the anti-theft net is provided with the escape way and the escape window, after the fire hazard happens and the escape way is pushed out, the people rapidly escape through the escape window to reduce the death number of the people in the fire hazard; and fireproofing cloth is put down, which can temporarily obstruct the big fire, thereby preventing the people from being burnt and guaranteeing the safety of the people.

The invention relates to the field of aquatic product breeding devices, and specifically relates to a breeding device for fry. The device comprises a breeding barrel, a water returning barrel, a water processing barrel and a clear water barrel; a supporting bar is fixed on the breeding barrel; a gas pipe is cooperatively arranged in the middle gap of the supporting bar; a fixture block which is used for limiting the position of the gas pipe is fixed on the gas pipe; the upper end of the gas pipe stretches out of the top end of the breeding barrel; the lower end of the gas pipe is close to the bottom of the breeding barrel; a trumpet-shape air inlet is arranged at the top end of the gas pipe; screw blades which can generate induced draft are fixed in the air inlet; a rotating fan is fixed on an end, which is close to the air inlet, of the gas pipe; a water spraying pipe is arranged at the bottom of the clear water barrel; the water spraying pipe is aimed at fan blades of the rotating fan; the lower end of the gas pipe is located inside the breeding barrel; and a plurality of gas discharging holes are arranged in the lower end of the gas pipe. In the breeding device for fry provided by the invention, the screw blades rotate accordingly with the gas pipe and introduce air out of the gas pipe into the gas pipe; the air enters water and increases oxygen in the water in the breeding barrel; the air overflows from the gas discharging holes and impacts fry near the gas pipe and a water passing hole away, so that the fry are prevented from flowing away with water through the water passing hole.

The invention relates to the field of aquaculture, in particular to an automatic aquaculture device. The automatic aquaculture device comprises a rectangular culture pond, a plurality of culture cages in the culture pond, and an automatic feeding machine above the culture pond, wherein guide rails, through which the automatic feeding machine moves from one end of the culture pond to the other end of the culture pond, are arranged on two pond walls of the culture pond; the culture cages are arranged in the culture pond in rectangular arrays; the automatic feeding machine comprises a plurality of rows of automatic baiting mechanisms; each line of the culture cages is arranged under the moving position of each automatic baiting mechanism; the automatic feeding machine can move from one ends of the guide rails to the other ends of the guide rails under the driving of an own driving device. According to the automatic aquaculture device, each individual aquatic product can eat feed in fixed amounts regularly; moreover, due to the adoption of an individual cage culture manner, mutual attack behaviors among individual aquatic products can be avoided, so that the dead number of the aquatic products is reduced, and the harvesting amount is greatly improved. Therefore, the automatic aquaculture device is particularly suitable for culture of aquatic products, such as lobsters, with a same kind attacking habit.

The invention discloses an AODV dynamic delay routing method based on energy aware. When path selection is carried out through AODV, two factors: path hop count and node residual energy are firstly taken into consideration and an energy evaluation function is defined, thereby judging paths and selecting the optimum path; an intermediate node dynamically adjust time delay of forwarding an RREQ packet according to the node residual energy, so the routing participation degree of nodes with relatively high node residual energy is improved; and a destination node delays the recording of the RREQ packet, moreover, the optimum master route and two alternative routes are selected according to the energy evaluation function through adoption of a multipath routing policy. An experimental result shows that according to the method, the network node death number is reduced to certain degree, the network integrated energy consumption is reduced, and the network lifetime is prolonged. Relative to a traditional AODV protocol, the method has the advantages that a network packet delivery rate and throughput are obviously improved. Through adoption of the multipath routing policy, the times of restarting a route discovery process can be reduced, and the additional routing overhead can be effectively reduced.

The invention discloses a preparation method of recombinant yeast for the surface display of white spot syndrome virus (WSSV) protein VP37, comprising the steps of: constructing a fused expression recombinant plasmid by using a surface display carrier pYD1 of the yeast and the gene recombination of the WSSV protein VP37, and transforming the brewing yeast EBY100 to obtain the recombinant yeast for the surface display of the VP37. The preparation method is characterized in that the recombinant yeast EBY100 containing the WSSV protein VP37 gene has VP37 on the surface. The invention also provides the application of a recombinant yeast live vaccine for the surface display of the WSSV VP37 in the cultivation of crustaceans. The prepared recombinant yeast can be used as an oral vaccine for immunizing the shrimps and protecting the shrimps against the WSSV. The genetic engineering live vaccine in the invention has the advantages that the brewing yeast is safe, and the cultivation method is simple and easy, and convenient for mass production. Relative to other vaccines, the displayed VP37 protein is easy to be identified by an immune system and has good stability.

The invention relates to a feed additive for improving disease resistance of escherichia coli. The feed additive is prepared from 18-24 parts of burdock, 15-20 parts of herba patriniae, 15-20 parts of cordate houttuynia, 12-16 parts of folium isatidis, 12-16 parts of radix sophorae flavescentis, 8-12 parts of submerged root rhubarb, and 3-5 parts of gypsum as raw materials. The feed additive disclosed by the invention plays the roles of resisting viruses, clearing heat, diminishing inflammation, detoxifying, invigorating stomach, dehumidifying, breaking through intestines and regulating the flow of vital energy, and also can prevent and treat colibacillosis. Therefore, the recovery rate and the daily gain of piglets are improved, and the mortality of the piglets is reduced.

The invention discloses application of selenium in preparation of a preparation used for improving the drought resistance of tobaccos, belonging to the technical field of agriculture. According to theinvention, the selenium is in a high valence state. With the prepared preparation, the growth condition of tobaccos in a drought can be improved, and the drought resistance of the tobaccos is enhanced; so the yield and internal quality of the tobaccos are improved, and effective reference is provided for safe production of tobaccos and other grain crops.

The invention discloses a method for preventing larva conglutination in the culture of pinna pectinata larvae, which is characterized in that: firstly, selecting a culture workshop which has a 20 to 30-cubic-meter pool 1.0 to 1.2 meter with a depth of 1.0 to 1.2 meters as well as an illumination intensity of 100 to 200 luxes and uses secondary sand-filtered seawater; secondly, in the culture period of the larvae, the density of the larvae is controlled to be 0.5 to 1 individual per milliliter; and thirdly, in the culture period of the larvae, culturing the larvae with flowing water for 1 to 2 hours each time, 3 to 4 times each day, continuously charging air each day, performing at least one time of bottom suction water change each day, and feeding the larvae with fresh, pollution-free, filtered and sterilized chlamydomonas bait. When the method is used, the pinna pectinata larvae can distribute in water uniformly, the number of larvae died from upward floating and conglutination is lowered, the survival rate of the pinna pectinata larvae is improved and a guarantee is provided for the industrial culture of pinna pectinata.

The invention discloses a preparation method of a recombinant yeast with surface display of prawn white spot syndrome virus VP28, and the recombinant yeast with surface display of VP28 is obtained by performing recombination of a yeast surface display carrier pYD1 with a prawn white spot syndrome virus protein VP28 gene to construct a recombinant plasmid with fusion expression, and transforming saccharomyces cerevisiae EBY100. The invention is characterized in that the recombinant yeast EBY100 containing the prawn white spot syndrome virus protein VP28 gene has VP28 on the surface. Another purpose of the invention is to provide an application of a recombinant yeast live vaccine with surface display of the prawn white spot syndrome virus VP28 in culture of shell-fish animals. The prepared recombinant yeast can be used as an oral vaccine for prawn immunization, and can be used for protecting prawns from being infected by prawn white spot syndrome viruses. The advantages of the gene engineering live vaccine in the invention are that the used saccharomyces cerevisiae is safe; the culture method is simple and practical, and convenient for large-scale production. With respect to other vaccines, the displayed VP28 protein is easy to be recognized by the immune system, and the displayed VP28 protein has good stability.

The present invention discloses a new medicine composition, its preparation method and application. It includes ginkgo leaf extract and epimedium extract, their weight mixing ratio is 1:0.16-100. It can be made into injection preparation and oral preparation, and mainly is used for preparing the medicine capable of curing angiocardiopathy and cerebrovascular diseases.

The invention belongs to the technical field of recovering and protecting Gymnocypris przewalskii ecological resource, in particular relating to an anadromous fish pass channel for Gymnocypris przewalskii. The fish pass channel is characterized by being constructed by a plurality of metal boxes, the lower part of each metal box is provided with a support, a fishway dummy plate is arranged in each metal box, the ratio of the total length of the fish pass channel to the vertical height from the lower channel water face to the upper channel water face is 10:0.5-1.5, the highest point of the fishway dummy plate is 8-15cm lower than that of the metal box, and the lowest point of the fishway dummy plate is 35-45cm lower than that of the metal box. The channel does not change the natural spawning habit of Gymnocypris, which seems that a stair way is built for freely and easily going to rivers and lakes, thereby greatly reducing the physical consumption and dead number of Gymnocypris, greatly increasing the spawning amount and small fish reproductive output of Gymnocypris, and having significant economical and environmental benefits.

The invention provides a tree-based WSNs mobile sink node adaptive position update energy consumption optimization method, a mobile sink node moves according to a specific motion model, and the method comprises the following steps: firstly, determining an elliptical position update area according to motion parameters of the mobile sink node, thereby determining a meeting point selection threshold; secondly, constructing a meeting point and non-meeting point set according to a meeting point selection threshold value; performing cluster head selection on a non-meeting point set according to a basic framework of an LEACH algorithm; and finally, according to the residual energy and transmission energy consumption of the cluster heads, constructing a father node selection target function, and selecting a next hop father node for each cluster head, thereby constructing a node-cluster head-meeting point-mobile sink node transmission path tree; repeating the process until all nodes die; and comprehensively considering factors such as motion parameter change of the mobile sink node, directionality of data transmission, energy consumption of the node and the like, so that the service life of the network is prolonged, data delay is reduced, and network load is balanced.

The present invention discloses an automobile traffic light zebra crossing safe and intelligent driving control system. The system comprises crossroad radar, in-vehicle radar, a GPS satellite transmitter, a vehicle controller, a screen display, a voice broadcast device, a braking system, a speed sensor, a distance sensor and a traffic light intelligent platform. The GPS satellite transmitter is configured to convert traffic light signals emitted by the traffic light intelligent platform. The automobile traffic light zebra crossing safe and intelligent driving control system and method can replace a person to foresee speed reduction, yielding to pedestrians or parking in advance at the zebra crossing traffic light crossroad so as to create more safety conditions for the pedestrians crossingthe road; the automobile traffic light zebra crossing safe and intelligent driving control system and method effectively reduce or avoid the generation of the zebra crossing traffic light crossroad traffic accidents, reduce the fatal quantity and save more people's lives; and moreover, the automobile traffic light zebra crossing safe and intelligent driving control system and method are clear andsimple in structure principle and convenient to assemble, can be used for new energy development industry, can perform industrialization and batch application, and are convenient to promote.

Relating to the technical field of animal feed, the invention discloses an antibiotic-free green ruminant feed. The antibiotic-free green ruminant feed selects vitamins, trace elements, Chinese herbalmedicines and biological feed needed by ruminants, can supplement and regulate microorganisms in ruminants in quantity and species, and maintain intestinal microorganism balance in ruminants, also can decompose crude fiber in feed, and produce antibiotic, antibacterial peptide, interferon, organic acid, multienzyme, polyphenol like substances, uses Chinese herbal medicines to replace antibiotics,can well improve the animal immunity and antibacterial ability, and obviously reduces illnesses and deaths.

The invention relates to the technical field of cell cryopreservation. The invention relates to a cell cryopreservation solution and a cryopreservation method. Wherein the cell cryopreservation liquidis prepared from methyl cellulose, maltose, DMSO, human serum albumin, dextran, L-serine, i-inositol and sodium chloride injection, and in the cell cryopreservation solution, DMSO can prevent damagecaused by intracellular fluid ice crystal formation, osmotic pressure change, cell structure disorder and the like; methyl cellulose is used as a stabilizer and a tackifier, so that the damage to cells caused by ice crystals formed by free water in the cryopreservation process is reduced; maltose has good crystallization resistance and prevents damage of ice crystals to cells. Through the combination of the raw materials, the loss of cells caused by ice crystals can be prevented to the maximum extent, and the content of DMSO is reduced as much as possible, so that the cell cryopreservation solution has a relatively good protection capability on cells such as PBMC or stem cells or T lymphocytes, and is high in survival rate.

The invention provides application of an antibacterial peptide PD-L4 in inhibition of an avian influenza virus. The avian influenza virus is an H9N2 subtype avian influenza virus. After the H9N2 subtype avian influenza virus is subjected to action of the antibacterial peptide PD-L4 in vitro, SPF chick embryos are inoculated against the H9N2 subtype avian influenza virus, the number of chick embryodeaths obviously decreases, the HA titer of embryo juice also obviously decreases, that is to say, the antibacterial peptide PD-L4 can effectively inhibit the H9N2 subtype avian influenza virus.

The invention discloses a pig feed capable of enhancing body constitution of slaughter pigs and improving pork qualities. The pig feed capable of enhancing body constitution of the slaughter pigs and improving pork qualities is prepared from the following raw materials in parts by weight: 500-600 parts of fermented soybean meal, 200-350 parts of puffed soybeans, 35-50 parts of rice, 100-150 parts of corns, 40-55 parts of vegetable oil, 8-12 parts of calcium hydrogen phosphate, 30-40 parts of wheat, 10-25 parts of hawthorn fruits, 4-7 parts of catchweed bedstraw herb, 3-7 parts of radix astragali, 2-5 parts of herba cynomorii, 5-7 parts of root or herb of phlomis mongolica, 5-10 parts of adhesive rehmannia flowers, 6-9 parts of fried sesame seed powder, 5-7 parts of bamboo charcoal powder, 2-5 parts of dried orange peel, 3-6 parts of ginseng residues, 8-12 parts of stigmata maydis, 10-15 parts of sugarcanes, 3-7 parts of honeysuckle flowers, 4-8 parts of mongolian dandelion herb, 6-7 parts of cassia twigs, 5-8 parts of semen corni, 1-2 parts of common selfheal fruit-spikes, 0.5-1 part of zinc sulfate, 0.5-1 part of manganese sulfate, and 5-10 parts of edible salt. The feed disclosed by the invention is capable of improving immunity of domestic pigs; moreover, the feed is relatively simple in operations, so that the inputs of personnel and cost are reduced. In addition, the domestic pigs fed with the feed grow more healthily, and the pork qualities are higher.

The invention provides a method of stereoscopic breeding of leeches and belongs to the technical field of animal husbandry. The method includes: selecting qualified species of the leeches for temporary breeding; during temporary breeding, feeding snails in the morning and animals' internal organs in the evenly to the leeches; turning up sandy loam to create egg beds and dig drainage ditches; wetting the egg beds by spraying water and covering the same with straws; after putting the leeches to the egg beds for 18-21 days and 30-32 days, respectively sorting out leech eggs, placing the leech eggs down on the surface of hatching soil in hatching beds in a head-down manner, spreading the hatching soil on the eggs, spraying a dilute solution of salt on the surface of the hatching soil, and after hatching for 20-25 days, placing leech seedlings in paddy fields for breeding. The method has the advantages that ovulation quantity and egg quality of the leeches can be effectively improved through feeding in stages in time of temporary breeding, economic performance is enhanced; in addition, in the subsequent process of egg hatching, the occurrence of cleavage and hatching of seedlings is promoted, and the efficiency and economic benefit of leech and rice culture are improved through the stereoscopic breeding method.