10 results about "Microbial ecosystem" patented technology

The invention discloses a microflora abundance prediction method based on center logarithmic ratio transformation, and belongs to the technical field of microflora prediction. Component characteristics of microorganism abundance data are processed through center logarithmic ratio transformation, and systematic preprocessing is carried out on input characteristics in combination with unique seasonal periodic coding. An enhanced Transform prediction model specially designed for table data is constructed, the model explicitly learns the cross relation between features through a novel feature interaction layer, and nonlinear mapping is carried out in combination with a multi-head self-attention mechanism and a deep network structure. By adopting the method, deep learning is carried out on the microbial community modeling data and the environmental factors, the composition abundance of the target microbial community can be efficiently and accurately predicted, and the technical problem that a traditional statistical model is difficult to capture a complex nonlinear relationship and high-dimensional feature interaction is solved; therefore, a strong technical support is provided for dynamic analysis and accurate regulation and control of a microbial ecological system.

The invention relates to the technical field of environmental engineering, and discloses a sewage filtering method and system based on multi-crop collaboration.The sewage filtering method based on multi-crop collaboration.The sewage filtering method based on multi-crop collaborationcomprises the steps that an original sewage sample is obtained, a multi-factor comprehensive evaluation method is adopted for analysis and treatment, and a multi-crop collaborationpollutant removal mechanism model is established; a multi-level system structure is constructed, and a three-dimensional hydraulic modeling method is adopted for analysis and calculation; a multi-sensor fusion monitoring network is constructed, and a data fusion algorithm is adopted for processing and analysis; system parameters are optimized and adjusted by adopting an intelligent self-adaptive control strategy; regularly adding a microbial agent to carry out system biological enhancement and dynamic regulation and control optimization, and establishing a stable microbial ecological system; all functional units are integrated into a modular system, and performance verification is carried out based on a stable microbial ecological system to obtain purified water; the system has the advantages of being high in treatment efficiency, stable in operation, high in intelligent level and low in construction cost.

This invention relates to the field of agricultural microbiology, and in particular to a strain of *Bacillus erythropoietinus* KF-B6 and its applications, especially in the control of continuous cropping obstacles in apple orchards. The *Bacillus erythropoietinus* KF-B6, with preservation number CGMCC No. 32131, possesses a complex set of functions including rapid and high EPS (explosive peroxide) production, high chitinase production, production of water-soluble and volatile antibacterial substances, and decomposition of macromolecular organic matter. The application of this bacterium, its microbial agents, and compound microbial fertilizers can effectively increase the number of rhizosphere soil bacteria, reduce the number of pathogenic fungi, increase the ratio of bacteria to fungi, and promote the recovery of the soil microbial ecosystem in apple orchards with continuous cropping obstacles; increase the proportion of water-stable aggregates, increase soil organic matter content, and increase soil enzyme activity, thus improving the soil; improve the survival rate of saplings planted during the renewal of new varieties in old orchards with continuous cropping obstacles, promote root vitality and plant growth, and comprehensively alleviate and control continuous cropping obstacles in apple orchards.

The invention relates to the technical field of shield tunnel construction, solves the technical problem of hysteresis environmental risk of an ecological sensitive area caused by lack of an effective assessment mechanism for hidden damage to an underground microbial ecosystem in a shield tunneling process, and particularly relates to an assessment method and system for a shield tunneling process. The method comprises the following steps: collecting geological data and microbial data of an ecological sensitive area to construct a microbial distribution heat map; tunneling parameters of the shield tunneling machine are captured in real time, and vibration environment self-adaptive ecological response data collection and correction are synchronously executed in the shield tunneling process. According to the method, a quantitative reference is established by collecting geological data and microorganism data, tunneling parameters and ecological response data are dynamically monitored, a scientific reference system is provided for evaluating ecological disturbance caused by shield tunneling, and real-time monitoring is achieved.

The invention relates to the technical field of tiger fish culture, in particular to an ecological circulating water culture method for tiger fish, which comprises the following steps: cleaning a culture system; a system water culture stage; training to eat artificial feed, transferring the fry into the culture pond, and feeding brine shrimps in the first two weeks; after the state of the fry is stable, water flow disturbance is formed through a micro water spraying device at one corner of the culture pond, artificial feed is put on the disturbed water flow, and the fry begin to ingest; a screening culture stage: carrying out screening culture on the fries once after the fries are cultured for one month, putting the fries with similar specifications into the same culture pond, and ensuring the relative balance of the specifications of the fries in each culture pond; and a cultivation stage. According to the method, the Indonesia tiger fish is cultured by adopting ecological circulating water, the water quality can be stabilized by adopting a mode of a microbial ecological system, an electrochemical technology and circulating water culture, harmful bacteria and parasitic diseases can be prevented and controlled, and the standard-reaching rate and the survival rate of the tiger fish are greatly improved.

The invention discloses a faeces water quality decomposing agent and a culture process thereof. The faeces water quality decomposing agent is prepared from the following components in parts by weight: 15 to 30 parts of photosynthetic bacteria, 10 to 20 parts of pseudogreen photosynthetic bacteria, 3.75 to 7.5 parts of bacillus amyloliquefaciens, 5 to 10 parts of proteolytic enzyme, 2 to 4 parts of humic acid, 0.5 to 1 part of sodium alginate and 1 to 2 parts of monopotassium phosphate. By optimizing the strain combination and auxiliary component proportion, an efficient and synergistic microbial ecological system is formed, various organic matters in the excrement can be quickly decomposed, and the organic fertilizer is suitable for wide organic waste treatment of human, livestock and poultry excrement and the like; a pure biological technology is adopted, the method is environment-friendly and pollution-free, and decomposed products can be used as high-quality organic fertilizers to realize resource circulation; the culture process is scientific and reasonable, parameters of each step are clear, links from strain activation to enzyme preparation and the like are all optimized, and the quality and stability of the decomposer are improved; the raw materials are wide in source and low in price, the culture process is simple, and the treatment cost is greatly reduced.

The application discloses an ecological additive for rock slope repair and a preparation method thereof, and belongs to the technical field of ecological restoration; the application aims to solve the problems of plant growth inhibition and community degradation caused by cement strong alkalinity and structure hardening in the existing vegetation concrete technology; the ecological additive is prepared by compounding microbial inoculants, mineral components, soil conditioners, structure improvers and organic carriers in a specific ratio, and the preparation method comprises microbial propagation composting and mixing; the additive is mixed with planting soil, cement, rice husks and the like in a certain ratio to prepare vegetation concrete base materials for spray seeding; the additive can neutralize the alkalinity of cement, improve the group structure of the base materials, construct an active soil microbial ecological system, and provide nutrients, so that the seed germination rate, vegetation coverage, soil organic matter content and plant biomass are improved, and the raw material cost is low, the process is simple, and the additive is suitable for large-scale ecological restoration engineering of high and steep rock slopes.

The invention belongs to the technical field of water environment restoration, and particularly relates to a slow-release composite algistat with algal inhibition and phosphorus removal functions and a using method and application thereof.The slow-release composite algistat is composed of an active algistat component, a polymer carrier, a phosphorus removal active component and a particle dispersing agent, the mass volume concentration of the active algistat component is 20-100 g / L, and the mass volume concentration of the polymer carrier is 20-100 g / L; the mass volume concentration of the polymer carrier is 5-50 g / L, the mass volume concentration of the phosphorus removal active component is 5-100 g / L, and the mass volume concentration of the particle dispersant is 2-20 g / L; according to the eco-friendly long-acting slow-release compound algistat and the scene adding method thereof, the efficient and more than 80-day long-acting treatment and prevention of blue-green algae for water bodies with different seasons and pollution degrees can be realized, and the ecological environment-friendly long-acting slow-release compound algistat has a wide application prospect. Meanwhile, the method has the outstanding advantages of reducing secondary pollution of nitrogen and phosphorus and promoting restoration of a microbial ecological system, is high in engineering applicability and has wide popularization and application prospects.

The invention discloses a method for rapidly producing an organic fertilizer from organic wastes by a strain ecological method and a microbial composition used in the method, and belongs to the technical field of organic waste treatment. The method aims to solve the problems of serious nitrogen volatilization loss, low functional flora synergistic efficiency and insufficient product decomposition degree in the fermentation process in the prior art. According to the method, a multi-component product is adopted and comprises a signal slow release type functional carrier (composition A) loaded with microbial population sensing signal molecules, a hydrolysis starting period fungicide (composition B), a signal response type thermophilic fungicide (composition C) and a decomposition synergistic period fungicide (composition D). Firstly, the composition A is mixed with organic waste, and then the compositions B, C and D are added in a sequencing batch mode according to the stage sequence of hydrolysis, high temperature and decomposition. According to the method disclosed by the invention, a microbial ecological system combining signal regulation and time sequence inoculation is constructed, so that the nitrogen loss is remarkably reduced, the quality and the decomposition degree of the organic fertilizer are improved, and the fermentation period is shortened.

Methods and compositions are provided for durably influencing microbiological ecosystems (microbiomes) in a subject in order to prevent infection and reduce recurrence of infection by microorganisms. In some embodiments, compositions and methods are provided for the creation and use of molecularly-modified bacterial strains with the potential to prevent a variety of microorganism infections.