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1386results about How to "Achieve sustainable development" patented technology

Computer simulation system of public security emergency management and simulation method

The present invention relates to a computer simulation system of public security emergency management and a simulation method. A public security emergency management cloud platform is upwards connected with an emergency command platform, is downwards connected with the town and street emergency command systems, is transversely connected with the municipal special emergency command platforms on the basis of integrating the data resources and the communication network resources of the conventional various systems, thereby realizing the monitoring, the prediction, the early warning, the auxiliary decision-making and the command and dispatch, and providing the comprehensive information services for the emergency rescue and command, the accident deduction, the emergency disposal training and the emergency hedge skill training. The public security emergency management cloud platform comprises an emergency command hall, a basic supporting system, a comprehensive information service system and a mobile emergency platform, enables the generation of the security incidents, the natural disasters and the man-made disasters and the loss brought by the security accidents to be reduced, protects the economy, and maintains the sustained steady and coordinated development of the society. By establishing the security risk evaluation and early warning, the simulation system and the simulation method have the very important significance for improving the social public security emergency rescue of our country, the risk evaluation and the comprehensive management.
Owner:JIANGSU YUANWANG SHENZHOU SOFTWARE CO LTD

Compound conditioner for soil pollution remediation and preparation method thereof

The invention provides a safe and reliable compound conditioner for reducing the heavy-metal mobility and bioavailability of soil or sludge compost and a preparation method thereof. The compound conditioner is a powdery compound prepared by adding heavy-metal auxiliary passivating agent to alkaline agent, wherein, the heavy-metal auxiliary passivating agent includes precipitating agent and absorbing agent; and the compound conditioner comprises the following components by the mixing proportion (weight percentage): 78% to 91% of alkaline agent, 5% to 13% of precipitating agent and 4% to 9% of absorbing agent. The preparation method comprises the following steps: (1) drying and pulverizing one, two or more than two substances among soda-manufacturing waste residue, lime and fly ash and sieving by a 60-mesh sieve to obtain an alkaline powdery substance as the alkaline agent; (2) mixing the alkaline agent, the precipitating agent and the absorbing agent by the above mixing proportion; and (3) drying and pulverizing the mixed products and sieving by a 200-mesh sieve to obtain the powdery compound conditioner. The invention can greatly reduce the environmental risk caused by the prior art and realize the sustainable development of green circular economy, industry and agriculture by recycling the industrial waste at the same time.
Owner:广东省农业科学院土壤肥料研究所

Exoskeleton robot system for reloading batteries of electric vehicle

The invention discloses an exoskeleton robot system for reloading batteries of an electric vehicle. The exoskeleton robot system comprises a wearer motion information acquisition module, a wearer motion signal analysis processing module, an exoskeleton robot control module and an exoskeleton robot mechanical structure module, wherein the wearer motion information acquisition module transmits an acquired wearer EEG (electroencephalogram) signal to the wearer motion signal analysis processing module; the wearer motion signal analysis processing module carries out analysis processing on the wearer EEG signal so as to recognize a motion intention of a wearer, converts the EEG signal into a motion signal and transmits the motion signal to the exoskeleton robot control module; and the exoskeleton robot control module receives the motion signal and can control the exoskeleton robot mechanical structure module to move according to the motion signal. The system provided by the invention is a man-machine integrated mechanical power system closely linked with people, can provide protection, additional power and capability for people, can strengthen human performance, and can enable manipulators to easily finish a challenge task.
Owner:XI AN JIAOTONG UNIV

High-strength weather resisting steel with Cu2-xS dispersed precipitates and manufacturing method thereof

The invention relates to high-strength weather resisting steel with Cu2-xS dispersed precipitates, which comprises the following chemical components in percentage by weight: 0.04-0.08% of C, 0.20-0.40% of Si, 0.4-1.0% of Mn, 0.03-0.12% of P, not more than 0.2% of S, 0.01-0.06% of Al, 0.20-0.80% of Cu, 0.40-0.6% of Cr, 0.12-0.40% of Ni, 0.001-0.006% of Ca and the balance of Fe and inevitable impurities. The welding cold crack sensitivity coefficient Pcm is not more than 0.18%. A manufacturing method comprises the following steps of: acceleratedly cooling both sides of a cast belt formed by continuous casting by using a gas and adopting a thin belt continuous casting production technology, wherein the cooling rate is 150-200 DEG C / s; performing the entire double-roller continuous casting process in a closed chamber filled with protective atmosphere; and arranging one to two stands for online hot rolling, wherein the thickness of a finished steel belt reaches 0.6-2 mm. The desulfurization procedure in steel making process can be omitted, and the steel making cost is reduced. The segregation of copper elements is inhibited, meanwhile, a large quantity of dispersed Cu2-xS precipitates can be formed to achieve the effect of dispersion strengthening.
Owner:BAOSHAN IRON & STEEL CO LTD

Ecological method of breeding chicken by planting grass under trees

The invention belongs to the technical field of livestock breeding and specifically relates to an ecological method of breeding chicken by planting grass under trees. The method includes that a fine forage grass breed which is shade-tolerant, trampling-resistant, strong in stress resistance and applicable to being planted in the forest is selected, and a forest land for grazing the chicken is modified to form a grassland under the trees for grazing the chicken; a contour grass and shrub zone in a stocking land is used for planting the grass, a chicken house is built in the middle of the grassland under the trees for grazing the chicken, zone division is performed for rotation grazing, and zones are separated by biological fences; and Chinese herbal plants are sowed in rotation grazing zones so that the grazed chicken can freely ingest the plants. A scientific evidence is provided for obvious economic benefits and ecological benefits which are achieved by means of rapid development of domestic fowls and effective ecological rehabilitation, wherein the domestic fowls of Hetian chicken and the like are applicable to stocking in forestland. By means of the model for breeding the chicken, high economic benefits are created, parts of the economic benefits are used for investing development of ecological chicken breeding model, and the created economic benefits and the development of ecological chicken breeding model are combined for creating better benefits, and accordingly, a virtuous cycle is achieved, ecological balance is kept, and the sustainable development is effectively achieved.
Owner:INST OF ANIMAL HUSBANDRY & VETERINARY FUJIAN ACADEMY OF AGRI SCI

Method for producing marsh gas through mixed anaerobic fermentation of blue algae and sludge

The invention provides a method for producing biogas by the anaerobic fermentation of mixed blue algae and sludge, which belongs to the technical field of environmental protection purification and waste resource treatment. In the method, the blue algae and the sludge are mixed for the anaerobic fermentation to produce the biogas, and the whole process is completed in an anaerobic reactor; the blue algae and the sludge are mixed in the rector, N2 is introduced to form the anaerobic state, and the blue algae and the sludge are fermented at a temperature of between 35 and 37 DEG C; and in the rector, the blue algae is discontinuously and periodically added, the degradation condition of the material is observed, at the same time, the organic matter concentration of the discharged material and the concentrations of CH4 and CO2 in gas generated from fermentation are measured until the reactor is stably operated. The biogas generated is subjected to desulphurization treatment and supplied to users for combustion or collected for power generation; and the dregs generated are used as a fertilizer for farmlands. The method for producing the biogas by the anaerobic fermentation of the mixed blue algae and the municipal sludge has the advantages of having the effect of answering multiple purposes, thoroughly eliminating algae toxins, combining the blue algae utilization and the treatment of the sludge from a municipal sewage plant, and solving organic pollution problems in both the rural and urban areas.
Owner:JIANGNAN UNIV

High-gas multi-roadway no-coal-pillar mining method

The invention relates to a coal mining method and discloses a high-gas multi-roadway no-coal-pillar mining method for solving the problems of high cost and more potential safety hazards caused by unreasonable arrangement of a multi-roadway long-wall working surface of the traditional high-gas mine. The method comprises a main conveying system, an auxiliary conveying system and a ventilation system, wherein the main conveying system comprises a belt roadway at the lower side of the working surface and a centralized rubber roadway in the middle of the working surface; the auxiliary conveying system comprises air inlet roadways at the upper and lower sides of the working surface and an auxiliary conveying roadway in the middle of the working surface; the ventilation system comprises air inlet roadways at the two sides of the working surface, an air return roadway at the upper side of the working surface, and a centralized air return roadway in the middle of the working surface; and the centralized air return roadway is communicated with the air return roadway through an air return roadway notch. According to the invention, four roadways are arranged in a 'three-in and one-return' manner, the loss of coal pillar is reduced, the maintenance workload and potential safety hazards caused by roadway remaining are reduced, and the production cost is remarkably lowered.
Owner:SHANXI JINCHENG ANTHRACITE COAL MINING GRP CO LTD

Thick-bed mining subsidence-land dynamic pre-reclamation method at plane mining-area

The invention discloses a dynamic pre-reclamation method for subsided land caused by exploiting a high seam in a plane mining area, which belongs to the technical field of mining and is used for solving the land reclamation problem of the subsided land caused by unstable subsidence mining. The dynamic pre-reclamation method is carried out when a mining subside is not complete and seeper is not formed; the dynamic pre-reclamation method consists of two stages: engineering design calculation and engineering implementation according to the scale, range and target needed to be reclaimed. The stage of engineering design calculation comprises the steps of: calculating a predicated subsidence, dividing the construction field pieces, confirming the construction parameters and the like. Compared with the prior art of 'first destroying and then controlling', the dynamic pre-reclamation method has the following advantages that the dynamic pre-reclamation realizes the full and effective combination of miming and reclamation, can reduce the reclamation investment, shorten the reclamation period, increase the reclamation benefit, and can promote the sustainable utilization of land resources in a mining area and the sustainable development of the mining area, can effectively ease the deterioration of the ecological environment in the mining area caused by the vegetation deterioration due to the mining subsidence and water and soil loss and most extensively protect the land resources.
Owner:TANGSHAN BRANCH COAL SCI ACAD

Functional biocatalyst for biogas fermentation and method for fermenting using catalyst

ActiveCN103740764ANo dischargeMethanogenic effect is stableWaste based fuelFermentationFiltrationSorbent
The invention discloses a functional biocatalyst for biogas fermentation and a method for fermenting using the catalyst. The catalyst comprises 1-3 parts of a microbial composite bacterial agent, 100 parts of hydrolase accelerant and 61-329 parts of mineral nutrient accelerant, wherein the mineral nutrient accelerant is one or more of microcrystalline ground phosphate rock, microcrystalline zeolite powder, microcrystalline calcium carbonate powder, urea, phosphate, bentonite and active carbon. The biogas fermentation method comprises the following steps: performing biogas fermentation by using 350-650 parts of poultry excrement, 100-300 parts of inoculum and 163-430 parts of functional biocatalyst while controlling the moisture content of the poultry excrement at 75-85%; and stirring and mixing for fermentation, wherein the concentration of the whole original feed liquid is 7-12%. In the invention, apart from the supplement of the nutritive elements for biogas fermentation, the effects of deodorization and inhibition of pathogenic microorganisms are realized through the functional complementation effect among the adsorption of an adsorbent, ion exchange, biodegradation and membrane filtration so that the biocatalyst is harmless; and moreover, the preparation technology has the advantages of simple process, easiness in operation, good effect, low investment, no pollution and wide application value.
Owner:INNER MONGOLIA HUAMENG KECHUANG ENVIRONMENTAL PROTECTION TECH ENG CO LTD

Method for treating stainless steel pickling waste liquor and recovering iron, chromium and nickel

The invention discloses a method for treating stainless steel pickling waste liquor and recovering iron, chromium and nickel. According to the method, a sodium hydroxide solution is adopted to control the pH of the stainless steel pickling waste liquor to achieve the purpose of recovery of iron, chromium and nickel through fractional precipitation. Because pH ranges of deposition of the iron, chromium and nickel elements are overlapped, part of iron oxide-hydroxide is precipitated firstly in a separation and recovery process, residual iron and chromium elements are co-precipitated out, and then chromium is precipitated and dissolved under the strong alkaline condition to realize final separation of iron and chromium. Due to presence of ammonia water and a reducing agent, the nickel element exists in the form of ions or a nickel ammine complex, is dissolved in the waste liquor, and finally reacts with a sulfide to precipitate NiS. The method has the characteristics of low cost, easiness in control, high separation and recovery rate of the iron, chromium and nickel elements and the like. The method can treat the stainless steel pickling waste liquor effectively, and the natural environment cannot be polluted after emission; the recovered metal elements have the recycling economic benefits, and the method has high application value and important technological innovation meaning.
Owner:NANYANG NORMAL UNIV

Rain collection self-pressure irrigation system for loess plateau hilly area step greenhouses

The invention relates to a rain collection self-pressure irrigation system for loess plateau hilly area step greenhouses, which comprises greenhouses, ground water collection surfaces, water collection flow gathering ditches, water reservoirs and irrigation pipelines, wherein the greenhouses are arranged on the steps of a terraced field, the ground water collection surfaces, the water collection flow gathering ditches, the water reservoirs and the irrigation pipelines are arranged on the steps, the greenhouses comprise greenhouse ceiling water collection surfaces, the water collection flow gathering ditches are arranged along the lower edges of the greenhouse ceiling water collection surfaces, the ground water collection surfaces are in inclined arrangement, the lower sides of the ground water collection surfaces are connected with the collection flow gathering ditches, one sides or two sides of the water collection flow gathering ditches are provided with the water reservoirs, and the irrigation pipelines are arranged in the greenhouses and are connected with the water reservoirs of the previous steps through main pipelines. The greenhouses are built on the terraced field, the collected rain at the previous step of the terraced field is used for irrigating the greenhouse on the next step of the terraced field, the rain resources are sufficiently and reasonably developed and utilized for developing the facility agriculture, and the ecological system is prompted to be converted to the benign circulation.
Owner:FARMLAND IRRIGATION RES INST CHINESE ACAD OF AGRI SCI

Method for mechanically harvesting winter rape efficiently with low power consumption

The invention discloses a method for mechanically harvesting winter rape efficiently with low power consumption. The method comprises the following steps of: A, constructing a rape group suitable for mechanical harvest: selecting the variety suitable for mechanical production, performing mechanical precise-quantity direct seeding when the soil water content is 30 to 40 percent, and constructing an ideal group and a plant type by fertilizer and water application and disease inset pest and weed control; B, adjusting a mature period: spraying a ripener two to three days before the harvest of rape seed ripening stage in the regions of contradictory seasons; C, harvesting at right time: observing and measuring the morphological physiological index of the plant before the harvest of the rape, wherein more than 95 percent of siliques, namely yellow loquat fruits in the cropland are suitable for mechanical harvest; D, mechanically harvesting and measuring loss rate: harvesting by a special rape harvesting mechanism in a combining way in the period suitable for harvest; E, smashing and returning rape straw to the cropland: flooding the straw in water immediately after the harvest of rape, decaying and returning to the cropland. The method is easy and convenient to operate, improves a one-time efficient branch height, reduces the branch number, reduces the thickness of the pod layer, solves the problems of high harvest loss rate, and improves the yield.
Owner:INST OF OIL CROPS RES CHINESE ACAD OF AGRI SCI

Method for interplanting tobacco with soybean

InactiveCN102577818APromote high yield and high qualityImprove resource use efficiency and land productivityHorticultureLand productivityFertilizer
The invention belongs to the technical field of crop culture, and discloses a method for interplanting tobacco with soybean, which includes: interplanting tobacco with shade-tolerant, lodging-resistant and mid-late maturing summer soybean; seeding the tobacco on late April of each year by wide and narrow row spacing, wherein wide row spacing is 120cm, narrow row spacing is 80cm, ridges are made in narrow rows, two rows of tobacco are planted on each ridge, and plant spacing is 55cm; and performing no-tillage direct seeding of the soybean in a period from one week before primary tobacco harvest and one week after the primary tobacco harvest, planting two to three rows of the soybean in each wide tobacco row, and manually digging holes for staggered-hole dibble seeding with hole spacing 22-33cm. By making use of difference between spatial niche and time niche of the tobacco and the soybean in terms of light, heat, water and fertilizer, interplanting the tobacco with the soybean and efficiently using solar energy, time-space resource complementary utilization for the tobacco and the soybean is realized, high yield and high quality of the tobacco are promoted for tobacco areas, one cropping of the soybean is added, resource utilization rate and land productivity are improved, and soybean yield is increased.
Owner:SICHUAN AGRI UNIV
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