57results about How to "Stable living environment" patented technology

The invention discloses a biological healthcare-type compound feed for soft-shelled turtles, wherein the material ingredients of the biological healthcare-type compound feed are as follows in percentage by mass: 30 to 40% of white fish meal, 10 to 20% of red fish meal, 4 to 10% of bulked bean pulp, 6 to 12% of yeast powder, 19 to 22% of starch a, 5 to 8% of fermented bean pulp, 2 to 5% of gluten powder, 2 to 5% of monocalcium phosphate, 0.05 to 0.3% of enzymic preparation, 0.1 to 0.3% of microbial preparation, 0.1 to 0.5% of compound vitamins, 1 to 3% of composite polymineral, 0.2 to 0.8% of 50% choline chloride, 0.1 to 0.5% of additive for protecting liver and gallbladder and 0.3 to 0.6% of additive for repairing intestinal mucosa. The feed has an increased feed utilization rate, and canbe used for improving the water body environment, reducing the disease occurrence and protecting the normal growth of the soft-shelled turtles, and thus, a high-quality and safe feed is provided for healthy cultivation.

The invention discloses a sodium alginate compound immobilized microbial agent and a preparation method thereof, and the sodium alginate compound immobilized microbial agent solves the problem that an immobilization way of pseudomonas suitable for di-chlorine quinoline acid degradation in the prior art is absent. A carrier culture medium with the pseudomonas and sodium alginate are mixed to obtain a mixture, and the mixture is dropwise added into calcium chloride with concentration being 1-4% to stand for 2-4 hours to prepare a granule; the mass concentration of the sodium alginate is 2-6%; the carrier culture medium comprises an adsorption carrier and an inorganic salt liquid culture medium; a weight ratio of the adsorption carrier to the sodium alginate is (1-3) to 1; and the adsorption carrier consists of corn cob, bamboo charcoal and oil cake in a weight ratio being 1:(1-2):1. According to the invention, the degradation efficiency of bacteria is effectively improved, and the degradation rate of the immobilized microbial agent is much higher than the sum of the physical absorption efficiency of blank spheres and biological degradation efficiency of a free bacterial strain, so that the effect of mutual promotion can be achieved.

The invention relates to a vertical multistage AO ecological sewage treatment system. The vertical multistage AO ecological sewage treatment system is characterized in that sewage is orderly treated by a coarse screen, a lifting pump house, a fine screen, a grit basin, a vertical multistage AO ecological tank, a cloth filter tank and a UV disinfection canal and then is discharged by a standard discharge opening, and sludge produced by the fine screen, the grit basin, the vertical multistage AO ecological tank and the standard discharge opening is transferred into a sludge storage tank, then is treated in a dehydration machine room and can be carted. The treatment system has less sludge amount (of sludge-drainage time of 20-25 years), does not produce odor, realizes thorough removal of organic matters, provides a carbon source produced in sludge stabilization for denitrification demands, reduces an external carbon source, produces water satisfying first-grade standard A or B, can be used for construction of an ecological landscape park, has the advantages of less construction investment and short construction period, can utilize waste and old or existing pits, ponds, trenches and slopes, and has a construction period of 4-6 months.

The invention relates to biogel for treating joint diseases and application thereof. The biogel is prepared from biocompatible and degradable gel coated umbilical cord mesenchymal stem cells containing a special stem cell culture additive, and the stem cell culture additive is prepared from umbilical cord mesenchymal stem cells, traditional Chinese medicine extract and serum. The biogel disclosedby the invention can improve normal body cell proliferation, reduce effects of common negative stimulation of oxygen deficit, chemotherapy and the like to normal body cells, prolong cell growth time,promote cell factor secretion, effectively treat the joint diseases, remarkably reduce a fibrosis rate of skeletal muscle denervation fibrosis and reduce pathological tissue score of a knee osteoarthritis animal model. Furthermore, the medicine has the advantages of safety, high efficiency, small side effect, simpleness in production and low cost.

The invention discloses preparation and an application of an ammonia oxidizing bacteria immobilized bioactive filler based on a polyurethane carrier, and belongs to the technical field of water treatment. The bioactive filler comprises two parts: an embedding body and the polyurethane carrier; a porous structure of the polyurethane foam carrier adsorbs a bacteria-containing embedding liquid, wherein the embedding liquid is prepared by mixing an ammonia oxidizing bacteria concentrated solution and a polyvinyl alcohol solution; a whole sheet of polyurethane foam is used as the embedding carrier, the embedding liquid is immersed to the interior of the polyurethane foam by a squeezing way, the embedding body is formed after boric acid secondary cross-linking and is combined with the polyurethane carrier to obtain a filler shape meeting requirements, and thus the ammonia oxidizing bacteria bioactive filler is obtained. The prepared ammonia oxidizing bacteria immobilized bioactive filler not only solves the problems that ammonia oxidizing bacteria are difficult in advantage establishment, easy to lose and the like, but also improves the processing ability of a reactor, shortens the start-up time, and has broad application prospects.

A select method for strain preventing and curing endotrophic mycorrhiza in potato. Detect width of bacteriostasis braid and select strains with good effects of endotrophic mycorrhiza, do pot incubation test and field practice, detect effects of prevention and cure and fix planting ability. Detect action of the strain to pathogenetic fungi, and induct antiviral ability to potato. Advanced strain is obtained after the steps.

The invention discloses a plant configuration method for improving the quantity and the activity of wetland microbes. The method is characterized in that shallow-rooted wetland plants, medium-rooted wetland plants and deep-rooted wetland plants are planted in the matrix of a constructed wetland at intervals; and the root system of the shallow-rooted wetland plants is distributed in a 5-15cm plantation layer, the root system of the medium-rooted wetland plants is distributed in a 10-14cm plantation layer, and the root system of the deep-rooted wetland plants is distributed in a 20-60cm plantation layer. The plant configuration method allows the beneficial influences of the wetland plants on the wetland microbes to be maximally performed through reasonable layout of the kinds of the wetland plants on the basis of a wetland decontamination mechanism, effectively increases the quantity and the activity of the wetland microbes, and improves the wetland water treatment effect.

The invention discloses bacillus subtilis and application thereof to prevention and treatment of bipolaris maydis. The strain of the bacillus subtilis for preventing and treating bipolaris maydis is DZSY21, the preservation name is bacillus subtilis, the bacillus subtilis is preserved in the China General Microbiological Culture Collection Center (CGMCC) which is located in #3, No.1 Courtyard, West Beichen Road, Chaoyang District, Beijing, the preservation date is November 27, 2015, and the preservation No. is CGMCC NO.11749. The 16S rDNA gene sequence of the bacillus subtilis is a nucleotide sequence as shown in SEQ ID No.1, and the gyrB gene sequence of the bacillus subtilis is a nucleotide sequence as shown in SEQ ID No.2. The bacillus subtilis is high in growth speed, large in sporulation quantity, good in stress resistance and good in antibacterial property, and can be quantitatively colonized in leaves of corn plants.

The invention discloses a double sludge oxidation ditch denitrification phosphate-removing apparatus and a method thereof. The apparatus comprises an oxidation ditch; an anaerobic zone, an anoxic zone and a water outlet zone which are communicated in order are arranged in the oxidation ditch, an independent nitrification zone is arranged between the anaerobic zone and the anoxic zone along the sewage flowing direction, a pre-anaerobic zone is arranged between the anoxic zone and the anaerobic zone, the independent nitrification zone is separated with the anaerobic zone and the anoxic zone through a first baffle plate and a second baffle plate, a first mud-separation zone, a filling material zone, a second mud-separation zone and a current stabilization zone are arranged in order along the sewage flowing direction, and nitrobacteria is enriched in the filling material zone. The denitrification phosphate-removing method is characterized in that a main channel of the oxidation ditch is always in an anaerobic/anoxic state, so that the denitrifying phosphorus-removing bacteria can be a dominant bacteria, the filling material is employed for hanging a membrane in the independent nitrification zone, so that a stable living environment is provided for nitrobacteria, nitrobacteria biomass in the independent nitrification zone is increased, nitrification rate is increased, and denitrification phosphate-removing effect can be guaranteed.

The invention discloses a method for purifying water quality by constructing biodiversity in shallow water channels and ditches. The method comprises the steps of constructing a stepped water retaining dam, constructing natural revetments on both sides of a river bank and planting plants on slope soil layers on both sides of the river bank. According to the method, by utilizing processes such as physics, biology, water conservancy and the like, the water quality purification effect is remarkable and stable, and at the same time, through the combation with a beautification effect of artificialnatural landscape, the comfortable, safe and beautiful water environment concepts are fully embodied, and the method has a broad application prospect.

The invention discloses a sea cucumber seedling culture water temperature constant system and a using method thereof, and belongs to the technical field of mariculture. The sea cucumber seedling culture water temperature constant system comprises a first water inlet pipeline, a heating pipeline assembly, a cooling pipeline assembly, a second water inlet pipeline, and a control assembly; the heating pipeline assembly is mounted on one water outlet of the first water inlet pipeline; the cooling pipeline assembly is mounted on the other water outlet of the first water inlet pipeline; the second water inlet pipeline is connected with the heating pipeline assembly and the cooling pipeline assembly; and the control assembly is connected to the first water inlet pipeline, the heating pipeline assembly, the cooling pipeline assembly and the second water inlet pipeline and used for executing on-off of a water flow and regulation and control of the temperature of the water flow. According to the sea cucumber seedling culture water temperature constant system, the heating temperature and a stroke of the water flow can be calculated according to the temperature and humidity change of the surrounding environment, heat loss in the water flowing process is compensated, and the water temperature can be accurately controlled.

The invention relates to an ecological cultivation method of domestic fish, which comprises the following steps of: 1) construction of a farm; 2) throwing fries; 3) running water management; 4) artificial feeding. According to the invention, a running water cultivation mode with a plurality of cultivation ponds with different depths which are communicated with each other is utilized, the method isof artificial natural ecological cultivation, promotes the growth of aquatic planktonic animals and plants, and maintains a good water cultivation environment. Meanwhile, scientific and nutritious artificial feed is prepared for feeding, and the cultivation yield of the fish is improved. By using scientific mixed cultivation ratio, the growth and living environments of the domestic fish are effective and stable and mutually promoted, and the cultivation quality is improved. The cultured domestic fish is delicious in flavor, good in taste, ecological, environment-friendly, low in cost and highin economic benefit, the method is suitable for large-scale production; meanwhile, chemical synthetic drugs and antibiotic drugs are not used, so that the produced fish has good quality and is safe to eat.

The invention provides a nucleus pulposus progenitor cell culture medium as well as a preparation method and an application thereof. The nucleus pulposus progenitor cell culture medium consists of a DMEM culture medium, an F12 culture medium, proline, sodium pyruvate, vitamin C, an insulin growth factor, FGF2, transferrin, a ROCK inhibitor, a p38 inhibitor and a transforming growth factor beta signal channel inhibitor. The preparation method comprises the following steps: mixing the components, adjusting the pH and osmotic pressure of the mixture, and performing sterilizing. The culture mediumdisclosed by the invention does not use animal-derived components; a undifferentiated and pluripotent state of the NPPCs can be maintained; the removal of animal serum in the culture medium greatly avoids the interference and pollution of animal components to nucleus pulposus progenitor cell culture, can completely avoid the induction of immune response in the cell treatment process, simplifies the culture process, increases the credibility of experimental results, and basically solves the key problem of durable culture of NPPCs. The preparation method is simple, raw materials are easy to obtain, and the culture medium is suitable for culture and amplification of nucleus pulposus progenitor cells under feeder-free cell conditions.

The invention relates to the technical field of microbial preparations, in particular to a bacteriostatic odor-removing microbial preparation for pets and living environments of the pets. The microbial preparation of the invention comprises functional microbial agents of lactic acid bacteria, saccharomycetes and Nesterenkonia. The ratio of the colony count of the lactic acid bacteria, the saccharomycetes and the Nesterenkonia is (3-5):(8-11):(0.5-1.2). The invention also provides a preparation method and application of the bacteriostatic odor-removing microbial preparation for pets and livingenvironment of the pets. The microbial agent of the invention has better effect of removing odor molecules, can keep low consumption of nutrient substances, can reduce the harm caused by the accumulation of metabolites, and can maintain the performance of the product for a longer time due to the virtuous cycle.

The invention provides a planting method for non-toxic rice, and belongs to the technical field of agriculture. The planting method comprises the following steps of preparing a base fertilizer, preparing a paddy field, carrying out paddy field arrangement, planting the rice, and carrying out normal field management, and also comprises the following steps of carrying out pretreatment on the paddy field, carrying out sowing, carrying out field management before seedling pulling, transplanting rice seedlings, carrying out field management in the growth period, carrying out treatment before harvest, and carrying out harvesting. According to the method, a traditional Chinese medicine is used for sterilization and deinsectization, so that the effects of sterilization and deinsectization are achieved under the condition that no chemical pesticides are used, meanwhile, a greenhouse and a temperature control and water control system are used for carrying out controlled planting on the rice in the paddy field, so that the interference of outdoor plant diseases and insect pests to the rice is isolated, meanwhile, the growth environment of the rice can be improved and automatically controlled,the yield of the rice is increased, in addition, a base fertilizer body and traditional Chinese medicine residues are adopted as the base fertilizer, so that soil is improved, salinization of the soil is avoided, and the traditional Chinese medicine residues can be further used as a fertilizer to promote the growth of the rice when being rotted and decomposed.

The invention discloses a trigona rearing box. The trigona rearing box comprises a box bottom, the top of the box bottom is provided with a pollen storage box, the top of the pollen storage box is provided with a breeding box, the top of the breeding box is provided with a honey storage box, and the top of the honey storage box is provided with a box cover. The top of the box cover is provided with a protection assembly with sun-proof and rain-proof functions, a first inner box layer is arranged in the pollen storage box, the portion between the inner wall of the pollen storage box and the outer wall of the first inner box layer is filled with a first thermal insulation layer, the inner wall of the first inner box layer is fixedly connected with a plurality of annular pollen storage plates, a second inner box layer is arranged in the breeding box, the portion between the inner wall of the breeding box and the outer wall of the second inner box layer is filled with a second thermal insulation layer, and a plastic honey box is arranged in the honey storage box. According to the trigona rearing box, a trigona comb is functionally partitioned by the pollen storage box, the breeding boxand the honey storage box, the multiple layers of boxes are combined and stacked, the boxes are disassembled to be recombined, and swarming is achieved. Honey is quickly produced through the honey box, and the damage to a swarm is reduced; airflow channels are formed, it is ensured that trigona is normally bred, the feeding box conforms to the life habits of the trigona, and therefore, the production efficiency is improved.