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65results about How to "Mitigation resources" patented technology

Water-retaining biological organic fertilizer used for mango and preparation method thereof

The invention belongs to the field of agricultural solid manure, and particularly relates to a water-retaining biological organic fertilizer used for mango and a preparation method thereof. According to the water-retaining biological organic fertilizer used for mango provided by the invention, mango bare branches, grass carbon, animal manure and municipal organic waste are used as raw materials, decayed materials are obtained through fermentation and decay of microorganism fungus, and then agricultural water retention agent is added in the decayed materials so as to obtain the water-retaining biological organic fertilizer used for mango, wherein the water-retaining biological organic fertilizer used for mango comprises the following raw materials according to parts by weight: 0-10 parts of mango bare branches, 25-35 parts of grass carbon, 30-40 parts of animal manure, 20-30 parts of municipal organic waste, 0.01-0.02 parts of microorganism fungus, and 0.1-0.4 parts of agricultural water retention agent. Through the utilization of the combination of mango bare branches, grass carbon, animal manure and municipal organic waste, special water-retaining biological organic fertilizer for mango for tip promoting, flower forcing and fruit enlarging is developed, so that waste is changed into valuable. Simultaneously, the water-retaining biological organic fertilizer used for mango obtained in the invention is good for water retaining, fertilizer maintenance and temperature preservation, and the structural performance of soil is improved; and the prepared particle biological organic fertilizer is resistant to storage and not easy for dehydration to cause particle scattering.
Owner:PANZHIHUA LVJING AGRI DEV CO LTD

Method for adaptively accessing Internet of Things intelligent terminal to ubiquitous power Internet of Things

ActiveCN111262859AEasy accessAlleviate distribution network growthUser identity/authority verificationEdge computingThe Internet
The invention provides a method for adaptively accessing an Internet of Things intelligent terminal to a ubiquitous power Internet of Things. The method comprises the steps of S1 importing an information model standard template library of the Internet of Things intelligent terminal into an Internet of Things platform; S2 sending a data request message through the Internet of Things intelligent terminal; S3 analyzing the data request message through the Internet of Things platform to obtain a terminal address corresponding to the Internet of Things intelligent terminal; S4 acquiring a terminalID corresponding to the Internet of Things intelligent terminal; S5 installing the Internet of Things intelligent terminal and powering on on site, and completing registration through a discovery/registration mechanism; S6 enabling the edge computing node to upload the identity identifier of the Internet of Things intelligent terminal to an Internet of Things platform and compares the identity identifier with a terminal ID obtained from a cloud master station application; and S7 judging whether the identity identifier is successfully compared with the terminal ID or not, if so, accessing the Internet of Things platform by the Internet of Things intelligent terminal, and if not, sending out prompt information and ending. The problem that a large number of Internet of Things intelligent terminals have access to the ubiquitous power Internet of Things is solved.
Owner:NANJING NENGDI ELECTRICAL TECH

A method for smelting high-purity nickel-molybdenum alloy by using nickel-molybdenum complex ore

The invention provides a method for smelting high-purity nickel-molybdenum alloy by using complex nickel-molybdenum ore. The alloy comprises the following components in percentage by mass: 8 to 30 percent of Ni, 10 to 30 percent of Mo, less than or equal to 0.5 percent of Si, less than or equal to 0.5 percent of C, less than or equal to 0.1 percent of Cu, less than or equal to 0.03 percent of P, less than or equal to 0.03 percent of S, and the balance of iron. According to the characteristic that the complex nickel-molybdenum ore is difficult to separate, the high-purity nickel-molybdenum alloy is smelted by adopting the routes of oxidizing and roasting nickel-molybdenum sulfide type mineral to remove sulfur, reducing and smelting high-alkalinity slag to obtain crude alloy, refining high-alkalinity weak oxidative slag to remove silicon and phosphorus and treating and refining Ba-Ca in vacuum to deeply remove phosphorus, sulfur and oxygen; the alloy can be used for nickel-molybdenum alloying and alloying of high nickel-molybdenum alloy steel in high-purity steel production, and has the advantages of high purity, no pollution, good alloying effect and the like; and the method has the characteristics of pure fire method, greenness, no pollution, simplicity in process and the like, realizes efficient utilization of the difficultly separated complex nickel-molybdenum ore, and is worthy of popularization.
Owner:JIANGSU UNIV

Preparation method of permeable brick by using phosphorous slag

The present invention discloses a preparation method of permeable brick by using phosphorous slag, which uses 50 to 150 parts of cement, 15 to 30 parts of water, 140 to 200 parts of bonded silica sand and 140 to 200 parts of phosphorous slag as raw materials, the permeable brick is prepared by the process of vibration, pressure forming and normal temperature curing or steam curing as that of conventional cement brick. The cement is ordinary portland cement with the strength higher than P.O 32.5, portland cement with the strength higher than P.I 32.5 or composite slag cement with the strength higher than P.C 32.5. The partical size of the bonded silica sand is controlled to be between 2.5 mm to 7 mm, the partical size of the phosphorous slag is controlled to be between 0.6 mm to 2 mm. Normal temperature curing is used at the temperature between 5 to 45 DEG C for 1 to 28 days, or steam curing is used at the temperature between 60 t0 120 DEG C for 1 to 2 days. The performance index of the permeable brick prepared by the method meets the requirement in <permeable brick> JC/T945-2005. The permeable brick has good water permeability, mechanical property and abrasive resistance, is applicable in building field widely and reduces the waste and pollution caused by phosphorous slag.
Owner:GUIYANG GAOXIN WEICHUANG LINFENG SCI & TECH INDAL

Coal cinder powder magnesium oxysulfate cement stable recycled concrete aggregate and preparation method thereof

The invention discloses a coal cinder powder magnesium oxysulfate cement stable recycled concrete aggregate. The aggregate is prepared by evenly mixing the following ingredients in percentage by mass:93-97% of recycled concrete aggregate, 1.56-3.12% of magnesium oxide, 0.57-1.90% of coal cinder powder, 0.76-1.80% of magnesium sulfate and 0.09-0.18% of a water-resistant additive. The invention further discloses a preparation method of the coal cinder powder magnesium oxysulfate cement stable recycled concrete aggregate. The coal cinder powder magnesium oxysulfate cement stable recycled concrete aggregate has the characteristics of convenient material taking, energy saving and environmental protection, and is a novel building material; the aggregate utilizes solid wastes such as waste concrete, coal cinder and bischofite in large quantity, the environmental protection and land occupying problems caused by waste concrete and coal cinder are solved, increasingly scarce sandstone and cement resources are relieved, the applied range of magnesium oxysulfate cement is expanded, and the aggregate has a far-reaching impact and a broad application prospect; and the aggregate does not have lateral confinement compressive strength, which meets the standard requirements, and the construction progress can be accelerated.
Owner:NANCHANG INST OF TECH

Method for combined processing of phosphogypsum and phosphate reverse flotation tailings

ActiveCN103143433ARealize self-recyclingLarge resource reservesWet separationCarbonizationEngineering
The invention discloses a method for combined processing of phosphogypsum and phosphate reverse flotation tailings. The method comprises the following steps: phosphate reverse flotation tailings are thermally decomposed, and carbon dioxide in gas phase is collected; obtained powder is hydrated, and slurry obtained after hydration is graded, wherein material with large specific gravity is raw phosphate, and material with low specific gravity is carbonized with the carbon dioxide and then is clarified and subjected to solid-liquid separation to obtain solid material which is calcium carbonate and liquid material which is heavy-magnesium water; phosphogypsum is pretreated and then added to the heavy-magnesium water to be subjected to replacement reaction, generated carbon dioxide returns to a carbonizer, solid-liquid mixture is subjected to solid-liquid separation to obtain solid material which is calcium carbonate and liquid material which is magnesium sulphate solution; and the magnesium sulphate solution circularly enters the carbonizer to be circularly carbonized until the magnesium sulphate solution is saturated, and then magnesium sulfate heptahydrate crystals are obtained through crystallization. Through the method, the two industrial wastes are linked together for recycling, elements with high added values in the tailings and phosphogypsum are fully utilized, and autonomous cyclic utilization of resources is realized.
Owner:WENGFU (GRP) CO LTD +1

Cellulose based beer stabilizer and preparation method thereof

The invention discloses a cellulose based beer stabilizer, and belongs to the field of food. The cellulose based beer stabilizer is prepared from the following components in parts by weight: 3-18 parts of microcrystalline cellulose, 4-12 parts of sodium carboxymethyl cellulose, 3-5 parts of an effervescing agent A component, 4-7.2 parts of an effervescing agent B component and 0.5-2 parts of a plasticizer. The preparation steps are as follows: (1) performing alkali treatment on microcrystalline cellulose; (2) preparing sodium carboxymethyl cellulose / effervescing agent A component / effervescing agent B component granules; (3) premixing the treated microcrystalline cellulose with the sodium carboxymethyl cellulose / effervescing agent A component / effervescing agent B component granules, and adding the plasticizer to press tablets. According to the invention, the adsorption and flocculation properties of the microcrystalline cellulose and the sodium carboxymethyl cellulose are comprehensively utilized, the prepared cellulose based beer stabilizer is a tablet and is capable of being quickly dispersed in water, the adding manner is simple, the energy consumption in the dissolution process is reduced, and the problems of time consumption, agglomeration, settlement and other problems in the dissolution or dispersion process of a common stabilizer are avoided as well.
Owner:ZHENGZHOU UNIV

Method for rapidly culturing and producing galanthamine, lycorine and lycoramine by rapid propagation of bulblets of lycoris

The invention provides a method for rapidly culturing and producing galanthamine, lycorine and lycoramine by rapid propagation of bulblets of lycoris. The method comprises the following steps: taking a bulb of 'lycoris chinensis' as an explant, sterilizing, inoculating and culturing for a period of time, generating bulblets at a wound of a scale, and continuing carrying out multiplication culture on the bulblets; and drying tissues of the bulblets of the lycoris chinensis, grinding and ultrasonically extracting with methanol for three times to obtain a methanol solution containing the galanthamine, the lycorine and the lycoramine. The problems that resources of lycoris herbs are in shortage, and chemical synthesis of the galanthamine, the lycorine and the lycoramine is complicated are solved by a tissue culturing technology. According to a used basic medium, an SH medium is used as a base, and ingredients such as 6-benzylamino adenine, alpha-naphthylacetic acid and a yeast extract are used as auxiliary ingredients; and the method lays a foundation for industrial production of the galanthamine, the lycorine and the lycoramine and is environment-friendly, raw materials are abundant, and the supply gap of markets to the galanthamine, the lycorine and the lycoramine can be relieved well.
Owner:LIAOCHENG UNIV

Silicate cement prepared from solid wastes and preparation method of silicate cement

The invention discloses silicate cement prepared from solid wastes and a preparation method of the silicate cement and belongs to the technical field of building materials. The silicate cement is prepared from the raw materials: clinkers, gypsum, slag, tailings and building wastes by adding a chemical excitant. The silicate cement is prepared from the following raw materials in percentage by weight: 40-60% of clinkers, 5-12% of gypsum, 8-15% of slag, 10-25% of tailings and 20-45% of building wastes, wherein the use level of the chemical excitant is 0.02-0.08% of the total weight of the raw materials; the slag is slag without metallic iron; the tailings are wastes left by exploiting a mine; the building wastes are building waste bricks or concrete plate blocks without metals or other impurities. The silicate cement disclosed by the invention is widely applied to concrete and cement products, relieves increasingly deficient clinker firing resources and reduces discharge of carbon dioxide of cement, thereby facilitating reduction of severe haze in atmosphere. primary resources are saved and replaced, so that the circular economy development is promoted and the pollution is reduced to protect the ecological environment. In the production process, further pollution on the environment is not generated.
Owner:XUZHOU YUXIN ENVIRONMENTAL PROTECTION BUILDING MATERIALS CO LTD +1

Coal slag powder chlorine-oxygen-magnesium cement stable regenerated concrete aggregate and preparation method thereof

The invention discloses a coal slag powder chlorine-oxygen-magnesium cement stable regenerated concrete aggregate, which comprises the following components in percentage by mass: 93 to 97 percent of arecycled concrete aggregate, 0.9 to 2.6 percent of a magnesium oxide, 0.4 to 1.5 percent of a coal slag powder, 1.2 to 2.9 percent of a magnesium chloride, and 0.3 to 0.5 percent of a water-resistantadditive. The preparation method of the coal slag powder chlorine-oxygen-magnesium cement stable regenerated concrete aggregate also is disclosed. The coal slag powder chlorine-oxygen-magnesium cement stable regenerated concrete aggregate of the invention has the characteristics of convenient material collection, energy conservation and environmental protection, and is a novel building material;a large amount of solid waste, such as waste concrete, coal slag, and brucite, can be used to solve the problems of environmental protection and occupation of land caused by waste concrete and coal cinders, as well as to relieve increasing shortage of sand and gravel, and cement resources, the application range of the chlorine-oxygen-magnesium cement is expanded, has far-reaching influence and wide application prospect; the unconfined compressive strength meets the specification requirement, and the construction progress can be accelerated.
Owner:NANCHANG INST OF TECH

A ship integrated optimization design method based on task driving

ActiveCN109726886AMitigate comprehensive combat capability maximizationRelief spaceResourcesDesign planSystem reconfiguration
The invention discloses a ship integrated optimization design method based on task driving, and the method comprises the steps: 1) respectively building a task domain, a function domain, a system domain, and an equipment domain for ship design elements according to a logic mapping relation from a user demand; 2) respectively carrying out granularity subdivision on the nodes of the task domain, thefunction domain and the system domain to obtain subdivision units, and establishing an association relationship of the subdivision units; 3) performing lightweight and intensive design and recombination on the multivariate heterogeneous functional units with similar characteristics or association relationships to complete system reconfiguration; 4) Based on the optimization principle of human-machine function allocation, completing the task process reengineering; 5) Completing the quantitative evaluation and comparative analysis of the task design plan to form a feasible solution. According to the method, an integration mode based on task driving is adopted, the scale of the shipping system can be effectively optimized, the operation efficiency of the system can be improved, personnel compilation can be reduced, and the cost of the whole life period can be reduced.
Owner:CHINA SHIP DEV & DESIGN CENT
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