58 results about "Ecological process" patented technology

The invention provides a method for remote sensing and estimating woodland soil organic carbon. As image elements of a remote sensing image of a woodland vegetation-covered area are manifested to be the spectral signature of vegetation, and a remote sensing image vegetation index NDVI is the vegetation index which is applied most widely at present, is most applicable, and can be widely applied to the estimation study of the primary productivity of the vegetation. For this, according to the method, by means of a CASA ecological process model, when the NDVI remote sensing data utilizing the high-resolution remote sensing image for reflecting regional difference are applied to a traditional soil organic carbon estimating model, model parameters with the spatial heterogeneity are simplified into constants, the defect of lowering the estimation precision is overcome, a relation model of the soil organic carbon storage amount and soil foundation breathing is set up according to the soil foundation breathing coefficient having the close relation with the soil organic carbon storage amount, and the remote sensing and estimating study of the woodland soil organic carbon can be achieved.

The invention provides a forestry carbon accounting method based on an ecological process model. The forestry carbon accounting method based on the ecological process model comprises the following steps of S1, determining a plant physiological parameter, S2, setting a spatial interpolation, S3, building a forestry carbon accounting model, S4, building an interference module, and S5, determining a model initial state. According to the forestry carbon accounting method based on the ecological process model, the interference module is provided for simulation of land use changes and felling, dynamic changes of forest carbon cycles of the Szechwan province and influence caused by different interferences can be truly reflected, simulation is more accurate, rapid and accurate compilation of greenhouse gas emission inventories relevant to forestry of different levels of China and provinces, and the compilation process is perfect, and meets the international requirements.

The invention provides a lake and reservoir eutrophication early warning method based on data assimilation. The method comprises obtaining satellite remote sensing data monitored at a point in time inthe study area; establishing the hydrodynamic water quality and aquatic ecological process model of the study area; the data assimilation algorithm being used to realize the assimilation of the modelresults and monitoring data, and the hydrodynamic water quality and aquatic ecological process model being used to predict the water quality and realize the lake and reservoir eutrophication early warning. As the ground monitor data are monitored by the invention, the satellite remote sensing data and the monitoring indexes predicted by the hydrodynamic water quality and aquatic ecological process model are fused with multi-source and multi-scale data, in the prediction process of a hydrodynamic water quality and aquatic ecological process model, the uncertainty of a hydrodynamic water quality and aquatic ecological process model is corrected by an assimilation algorithm, which improves the accuracy of lake and reservoir eutrophication early warning comprehensively.

The invention relates to a small soil-water-plant ecological system for experiment. The system is composed of a soil-water-plant device, an subsurface runoff simulation device, an environment simulation device, an overland runoff / interflow recovery device and a liquid flow circulating device, wherein the soil-water-plant device comprises a soil layer, the subsurface runoff simulation device is provided with a water inlet and a water outlet, and the environment simulation device is provided with a moisture regulation and rainfall simulation unit and an illumination unit. Based on the soil-water-plant polymorphic environment of the natural ecosphere, water circulation and ecological process of the natural world are simulated economically and reasonably, and multi-point sampling can be conducted at any time to monitor the trend of pollutants; the system is complete, simple in structure and easy to operate, maintain and manage, and provides technical support and data reference for evaluation of eco-environment risk of pollutants and application and effect of a phytoremediation method.

The invention discloses a method for obtaining high purity magnesia through one-step roasting of magnesite concentrate, and belongs to the technical field of refractory material production. Low-grade magnesite flotation concentrate is used as a raw material, refined, pressed into balls and refired, and high purity magnesia with the MgO larger than or equal to 97.5% and the volume density larger than 3.2g / cm<3> is obtained. By means of the technology, the powdering problem in the magnesite roasting process is solved, the high purity magnesia ecological process is effectively simplified, the available magnesite resource range is enlarged, production energy consumption is lowered, and enterprise economic benefits can be effectively improved.

This invention provides a moisture-permeable, waterproof film characterized in that it consists of two or more resin layers comprising, as polymerizing components, bishidroxyalkyl aliphatic acid and alkyleneglycol, said bishydroxyalkyl aliphatic acid content is 0.08 mmol / g to 0.5 mmol / g, at least a part of said alykyleneglycol is polyethylene glycol contained in an amount of 40 wt % to 80 wt % based on said solid resin, and a moisture permeability by JIS L-1099 “Potassium Acetate Method” (B-1 method) at average film thickness of 20 micrometers being not less than 3×103 g / m2·24 h and not more than 200×103 g / m2·24 h, and a moisture-permeable waterproof composite material to which said moisture-permeable, waterproof film is provided at least on one surface of a substrate material and its moisture permeability by JIS L-1099 “Potassium Acetate Method” (B-1 method) being not less than 1×103 g / m2·24 h and not more than 50×103 g / m2·24 h.This invention makes use of a polymer having excellent moisture permeability, waterproofness durability and capability of being made aqueous, and accordingly, this invention provides a moisture-permeable, waterproof film and a composite material which can be manufactured by an ecological process.

The invention discloses popular tea prepared from ecological-process oolong and sekken fruits. The popular tea is prepared from the ecological-process oolong and the sekken fruits, and the process flow of the popular tea comprises the steps of picking the fresh sekken fruits, and then washing and airing the fresh sekken fruits to be dry; forming openings in the fruits and pulping the sekken fruits, reserving fruit shells, and slightly washing and airing the fruit shells to be dry; moistening and fermenting the ecological-process oolong; then packing the fruit shells with the ecological-process oolong, spreading out the fruit shells for fermentation, and then placing the fruit shells into a drying machine for baking while adjusting the temperature for control in good time; adjusting the temperature and conducting shaping in good time, wherein the time when sekken fruits are in golden red and bright and tea-fruit fragrance is heave is considered to be due, the temperature control is determined according to the sekken fruit and tea fusion water content, and when the effects that the fragrance is clear and the tea is sufficiently dry are achieved, taking the fruit shells out of a drying room. The ecological-process oolong integrates the ecological-process sekken fruits, so that the popular tea prepared from the ecological-process oolong and the sekken fruits is obtained, the biological and organic process is the core of the popular tea, the popular tea is beneficial to human health, can tonify the spleen and the stomach, moisten the lung, remove dampness, guide qi downward and achieve beauty care and is unique in taste, abundant in mouthfeel and capable of refreshing a drinker, facilitating thinking, tonifying the brain and developing intelligence, after drinking the tea, the drinker feels joyful and comfortable, and enjoyment and sublimation in the material life and spiritual life are created for people.

The invention relates to the field of environmental protection of an ecological system, in particular to a method for researching the storage and filtering effect of a small water-gathering area composite ecological system on heavy metal. The method comprises the following steps: (1) arranging a sample area; (2) collecting samples; (3) analyzing the samples; and (4) analyzing data. The method has the beneficial effects that transformation and immobilization are realized through ecological system energy conversion, absorption, biodegradation and the like, so that purification is realized, the local ecological stability is maintained, the local economical development is promoted, and heavy metal ecological process research is conducted continuously. Through collection and sampling of atmospheric dry and wet deposition of a water-gathering area, and collection of different land utilization types and different layers of the water-gathering area, the heavy metal content dynamic change of atmospheric dry and wet deposition of the water-gathering area as well as annual input and output quantity of the heavy metal are analyzed, the intercepted filtration effects of different land utilization types of the water-gathering area on the heavy metal are compared, and the storage and filtering effect of the water-gathering area composite ecological system on the heavy metal is disclosed.

The invention relates to a method for automatically controlling the change of outdoor soil temperature, belonging to the technical field of environmental ecology, comprising the following steps: placing a plurality of barrels filled with soil into a water tank filled with water; heating the water inside the water tank by heating a cable; and then heating the soil inside the barrels inside the water tank through the heated water, wherein the temperature of the water inside the water tank and the temperature of the soil inside the barrels can be automatically controlled by a temperature sensorand a temperature controller, and the temperature of the soil inside the barrels can be set 1.0-4.0 DEG C higher than that of contrast soil. The effective scientific method is provided by quantitatively and contrastively researching the difference of ecological processes, i.e. a biological process, a physical process, a chemical process, and the like, between the soil and the contrast soil after the temperature of the soil is increased by 1.0-4.0 DEG C under the influence of i atmospheric temperature increase. The invention solves the problems of nonuniform soil heating temperature and overheated partial soil or scorch which are brought by directly using the cable to heat the soil, thereby ensuring the consistency of heated soil property and contrast-reaching soil property.

The invention provides an unmanned aerial vehicle observation system for monitoring and researching carbon-water flux of a regional scale ecosystem. The unmanned aerial vehicle observation system comprises a fixed-wing unmanned aerial vehicle, scientific observation parts and a ground control monitoring station; the scientific observation parts comprise a porous turbulence probe, an open-circuit water vapor and carbon dioxide gas analyzer, a gas analyzer electronic case, a GPS / INS combined positioning and attitude determination system, an airborne control computer and a power supply battery; the scientific observation parts are all installed on a platform of the fixed-wing unmanned aerial vehicle. According to the invention, observation task requirements of most ecological systems can be met; latent heat flux and carbon dioxide flux exchange capacity of a regional ecological system can be directly observed; the invention has the advantages of low observation cost, strong expansibility,flexible and portable observation and the like, is suitable for multiple aspects such as ecological system function and current situation investigation, ecological process research, ecological environment protection and the like of a large-range space area, and provides important data support for ecological environment research and protection.

The present invention provides a novel industrially excellent and ecological process for producing methylcobalamin which is useful as a medicament etc. More specifically, it provides a process for producing methylcobalamin by reducing cyanocobalamin or hydroxocobalamin in the presence of a reducing agent, and then methylating the reductant by adding a water-soluble methylating agent.

The invention provides a forestry carbon accounting method based on an ecological process model. The forestry carbon accounting method based on the ecological process model comprises the following steps of S1, determining a plant physiological parameter, S2, setting a spatial interpolation, S3, building a forestry carbon accounting model, S4, building an interference module, and S5, determining a model initial state. According to the forestry carbon accounting method based on the ecological process model, the interference module is provided for simulation of land use changes and felling, dynamic changes of forest carbon cycles of the Szechwan province and influence caused by different interferences can be truly reflected, simulation is more accurate, rapid and accurate compilation of greenhouse gas emission inventories relevant to forestry of different levels of China and provinces, and the compilation process is perfect, and meets the international requirements.