90results about How to "Promote green development" patented technology

The invention relates to a preparation method for a wood-bamboo reinforced resin composite material based on high-pressure densification, and belongs to the field of composite materials and artificialboards. The preparation method for the wood-bamboo reinforced resin composite material based on the high-pressure densification comprises the steps that lignin and hemicellulose are partially removedfrom wood veneers, wood boards or bamboo sheets by a chemical reagent, the chemical reagent is removed by water, and the water is replaced by ethanol or acetone; the wood veneers, the wood boards orthe bamboo sheets with lignin and hemicelluloses removal are put into a mixed solution of a resin system or a resin solution and a flame retardant, a diluent and/or a toughening agent additive, or sequentially put into the resin system or the resin solution and the mixed solution of the additive, so that the resin and additive penetrate into cells and cell pores of the wood or the bamboo; and semi-finished products are assembled into blanks, and high-pressure densification and high-temperature curing are carried out to prepare the high-strength composite material. The preparation method for the wood-bamboo reinforced resin composite material based on the high-pressure densification overcomes the stress concentration problem caused by the pores and the like in an existing artificial board,and the prepared novel structural composite material has good mechanical properties and flame retardancy, so that the application of wood in the structural fields of airplanes, high-speed trains, buildings and the like are greatly promoted.

The invention discloses a nano silver-polyvinylidene fluoride composite separation membrane and a preparation method thereof. The separation membrane is obtained by modifying a polyvinylidene fluoride membrane with nano silver. According to the invention, two dispersion methods namely a physical method and a chemical method are simultaneously adopted in the preparation process, so that nano particle reaches an ideal dispersion effect in the polyvinylidene fluoride separation membrane and a reliable guarantee is provided for the excellent property of the membrane. In the invention, a noble metal nano silver the price of which is relatively low is added, and the amount of nano silver is regulated, so that the mechanical property, antibiotic property and pollution resistance of the polyvinylidene fluoride separation membrane are greatly improved, the water flux and trapping rate of the polyvinylidene fluoride separation membrane are also improved, the service life of the membrane is prolonged, and the membrane has high performance-to-price ratio.

The invention provides an in-phase traction power supply and power generation system and a control method, and relates to the technical field of electrified railway power supply. The secondary side ofa traction transformer is connected with a traction bus; the head ends of the n uplink feeders are connected with the traction bus, the tail ends of the n uplink feeders are correspondingly connectedwith the n uplink contact networks, the head ends of the m downlink feeders are connected with the traction bus, and the tail ends of the m downlink feeders are correspondingly connected with the m downlink contact networks; the input end of a coordination controller is connected with the measuring end of a voltage transformer and the measuring end of the current transformer at the same time, andthe output end of the coordination controller is connected with the control end of a new energy power generation device. The AC output end of the new energy power generation device is connected withthe traction bus. According to the invention, nearby consumption of new energy is facilitated, green development of a railway system is promoted, related electric energy quality problems are avoided,and extra economic income can be brought.

The invention discloses a method for carrying out integrated aquaculture of ictalurus punctatus in a pond industrial aquaculture system. The method is scientific and feasible in principle, easy to operate and implement in production, and capable of being adopted and applied by farmers easily in economic benefit. The method comprises the steps of preparation before planting and aquaculture, fry stocking, purification zone floating bed rice planting, planting and aquaculture management, aquatic species capturing and rice harvesting. Accordingly, by means of the proper stocking density of ictalurus punctatus fingerlings in an aquaculture water tank, the stocking size is improved, and by means of the annual aquaculture, commercial longsnout catfish with the best-selling size being about 1.5 kg/fish are sold at a high price at different times; by properly stocking a proportion of silver carp, bighead carp, myxocyprinus asiaticus, penaeus monodon and snails and planting 5-8% of floating bedrice in an ecological purification zone simultaneously, and by means of the integrated planting and aquaculture measure, the in-situ remediation effect on aquaculture water is better exerted, the ecological benefit, comprehensive output and economical benefit of the whole breeding system are significantly increased, and the method has strong practical application and popularization value.

The invention relates to a graphene-doped polypropylene-based thermoplastic cable shielding material and a preparation method thereof, and the preparation method comprises the following steps: adding a polyethylene octylene co-elastomer into a first solvent to obtain a POE solution; adding graphene into a second solvent to obtain graphene slurry after ultrasonic dispersion; adding the graphene slurry into the POE solution, and carrying out suction filtration to obtain a flocculent mixture, so as to obtain a POE/graphene master batch; adding the polypropylene, the conductive carbon black, the POE/graphene master batch, the antioxidant and the coupling agent into an extruder, carrying out melt blending, carrying out water-cooling pelletizing, drying and dehydrating. According to the invention, graphene is added to form a synergistic effect with carbon black and improve the conductivity, and the graphene master batch is prepared by ultrasonic dispersion and a solution method, so that the problems of serious stacking and agglomeration of graphene layers are solved, better electrical properties and mechanical properties are obtained, and the conductivity of the graphene master batch is improved under the condition of meeting the conductivity. And a relatively low resistivity positive temperature effect is achieved.

The invention provides a biochar prepared from facility agriculture wastes, a preparation method of the biochar, a soilless culture substrate and application of the soilless culture substrate, and belongs to the technical field of crop cultivation. The method for preparing the biochar from facility agriculture wastes comprises the following steps that the facility agriculture wastes are crushed and are then subjected to cracking for 3 to 4 h at 300 DEG C to 500 DEG C under the oxygen-free condition; and obtained cracking products are crushed to obtain the biochar. The prepared biochar containsrich porous structures and nutritional ingredients including rapidly available potassium, rapidly available phosphorus, rapidly available nitrogen, organic matters and salts; and the pH is alkaline,so that sufficient ventilation pores and nutrients are provided for crop growth. The invention also provides a vegetable soilless culture substrate containing the biochar. Compared with an existing soilless culture substrate, the vegetable soilless culture substrate provided by the invention has the advantages that the cucumber yield can be stably improved; the cyclic utilization of facility agriculture production wastes such as straws can also be realized; and carbon sequestration, emission reduction and green development are promoted.

The invention discloses an aerogel particle-carbon dioxide-water-based three-phase foam system for an oil field, and application thereof. The three-phase foam system is prepared from carbon dioxide, aliquid phase and aerogel particles, wherein the liquid phase is an aqueous solution of a foaming agent, a foam enhancer and an inorganic salt aid. According to the invention, the three-phase foam system can uniformly and stably carry aerogel particles with oleophylic and hydrophobic characteristics, so that the aerogel particles are brought into a reservoir, the aerogel particles are uniformly dispersed in the reservoir, a selective plugging effect of plugging water but not plugging oil in a dominant channel in the reservoir is achieved, the water-based carbon dioxide foam oil displacement efficiency and sweep efficiency are enhanced, the purposes of long-period oil stabilization and water control are achieved, and the recovery ratio can be increased; and the addition of the foam enhanceris beneficial to maintaining the overall stability of a three-phase foam system, promotes aerogel particles to be uniformly and stably dispersed in the foam system for a long time, has the characteristics of greenness, no toxicity and no pollution, and is beneficial to promoting the green development of a high-water-content old oil field.

The invention discloses a disc-type scaffold capable of being mounted and dismounted, and relates to the technical field of building members. The problems are solved that when common fixedly-welded scaffolds are moved, a lot of space needs to be consumed, so that transportation efficiency is greatly reduced, and the transportation cost of the scaffolds is increased accordingly. The disc-type scaffold is characterized by comprising a vertical rod and a fixed disc sleeving the outer wall of the vertical rod, at least two first through grooves axially run through the side face of the fixed disc,the inner wall of each first through groove is provided with a first sliding groove, a first sliding block is slidingly connected into each first sliding groove, and a contact rod penetrating throughthe corresponding first through groove and abutting against the outer wall of the vertical rod is hinged to each first sliding block; the fixed disc is provided with at least two first supporting rods, the outer walls of the first supporting rods are in threaded connection with first sleeves, and therefore the purposes are achieved that the space which needs to be occupied when the fixed disc is fixed to the vertical rod can be conveniently reduced, and the transportation cost is effectively reduced accordingly.

The invention provides a multifunctional ecological seawall ecosystem applicable to bays with strong stormy waves. The multifunctional ecological seawall ecosystem comprises a multi-step type wave-proof bank energy dissipation artificial fish reef area, a mangrove and landscape plant living adaption area, an ecological seawall main body engineering area and an ecological hydrophilic landscape area which are sequentially arranged from the coastal side to the inland. The ecological seawall main body engineering area comprises an artificial wave-proof area and an artificial natural ecological plant growing frame which are arranged from the coastal side to the inland, wherein the multi-step wave-proof bank energy dissipation artificial fish reef area is constructed by means of a wave-proof bank ecological gabion system and superposed with a seaweed bed ecosystem. The reconstruction of a mangrove plant or landscape plant living adaption system is carried out in the mangrove and landscape plant living adaption area under the assistance of filling of accropodes or natural blocky stones or back-silting remediation. The provided multifunctional ecological seawall ecosystem has the advantages of slowing down erosion of stormy waves, improving the safety of embankment protection feet, promoting heterogeneity and diversity of coastal coastline habitats, being suitable for growth and breeding of mangroves and the like.

The invention discloses a co-production method of 3-nitro-2-methylbenzoic acid and 3-nitrophthalic acid. The co-production method comprises the following steps: (1) oxidizing 3-nitro-o-xylene into 3-nitro-2-methylbenzoic acid in nitric acid in the presence of a catalyst and an initiator by using oxygen as an oxidant; (2) after the reaction is finished, filtering the reaction product when the reaction product is still hot to obtain a 3-nitro-2-methylbenzoic acid crude product and mother liquor; (3) re-crystallizing the 3-nitro-2-methylbenzoic acid crude product to obtain a 3-nitro-2-methylbenzoic acid finished product; and (4) further oxidizing the mother liquor obtained in the step (2) to prepare 3-nitro-phthalic acid, cooling and filtering to obtain a 3-nitrophthalic acid crude product after the reaction is finished, applying the obtained filtrate to the step of oxidizing 3-nitrophthalic acid, and re-crystallizing the obtained crude product to obtain the 3-nitrophthalic acid finishedproduct. The problems of large amount of waste water and waste salt, difficult post-treatment and serious environmental pollution in the existing process are solved.

The invention discloses a fungus suillus composite convenient beef bone soup base. A preparation method of the fungus suillus composite convenient beef bone soup base comprises the following steps of 1, screening and cleaning; 2, soaking; 3, draining; 4, pulping; 5, enzymolysis, wherein the pH of slurry is adjusted to be 6.0, then, papain and flavored proteinase are added, the enzymolysis temperature is 50-60 DEG C, and the enzymolysis time is 3 h; 6, enzyme deactivation; 7, filtering; 8, seasoning, wherein flavoring agents are added; 9, concentration; 10, microencapsulation, wherein gelatin and Arabic gum are used as wall materials, a concentrate is used as a core material, then, spray drying is performed to form microcapsule particles, the drying temperature is 100-120 DEG C, and the drying time is 30 min. According to the method, fungus suillus and beef bones are combined, and the fungus suillus composite convenient beef bone soup base with the high nutritional value, delicious taste, unique taste and special flavor of the fungus suillus and the beef bone soup is obtained.

The invention discloses a separated liquid cooling system for a phase change heat transfer module of a data center. The system comprises a phase change heat transfer module and an external circulation heat exchange system. The phase change heat transfer module is installed in the server and used for collecting heat generated by a processor in the server and conducting the collected heat to a heat conduction plate outside the cabinet. And the external circulation heat exchange system is connected in parallel with a plurality of cabinets and is used for taking away heat on the heat conducting plate and discharging the heat into the atmospheric environment. The phase change heat transfer module and the liquid cooling system are separately designed, so that the server does not need to be connected with a liquid cooling pipeline under pressure in the installation and maintenance process, the risk of cooling liquid leakage is reduced, the maintenance convenience of the server liquid cooling system is greatly improved, and the green development of the server liquid cooling technology is promoted.

The invention discloses a method for safely and environmentally mining a mineral resource and developing industrial tourism. The method is characterized by comprising the following steps of respectively grinding, proportioning and sieving coal ash, steel slag and coal gangue, selecting iron ore in the coal ash, the steel slag and the coal gangue through magnetic separation, selecting valuable mineral substances through select floatation, obtaining tail slag, preparing and obtaining slurry through the tail slag, injecting the slurry in a mine hole which is in mining through a pipeline and a hole, obtaining a pouring stone supporting body by solidifying the slurry, supporting the geology in a mining area, supporting the mine hole while mining, mining residual mineral around the mining area, developing the industrial tourism for the mining area after the residual mineral is mined completely. According to a safe and environmental mining novel technology related to the invention, the environmental resource development and utilization is combined with the ecological restoration, the environmental development, the cyclic development and the low-carbon development are advanced while the whole mineral resource is fully mined and utilized in a safe environment, and the whole filling technology is cheap in economy, reliable in technology and excellent in environmental performance.

The invention provides a concrete admixture and a preparation method. Tea is ground, water is added, the mixture is boiled, and an exciting agent, namely, a tea extracting solution is obtained for later use; theophylline, tea polyphenol and the exciting agent, namely, the tea extracting solution are weighed in a weight ratio, mixed and stirred uniformly; the concrete admixture is obtained throughintermittent mixing under the ultrasonic condition. Effective components of tea are mainly taken as a basis, natural components including theophylline and tea polyphenol in tea are sufficiently utilized for admixture preparation, the tea extracting solution is taken as the excitant, and excitation is performed through multiple amino acids, vitamins, organic acid, lipopolysaccharide, saponin, sterol and the like in the tea extracting solution. The water reducing function and the early strength function of the natural components of the tea on concrete are played, and the concrete admixture has very high social value and ecological value.

The invention relates to a preparation method of a two-dimensional woven environment-friendly and high-strength wood-based composite material, and belongs to the field of composite material manufacturing and the field of wood processing. Solid wood is manufactured into veneers by adopting a rotary cutting process, lignin is partially removed from the veneers, then the lignin-removed veneers are aligned and arranged in the same direction for assembly, the veneers are put into a mold, and high-temperature hot pressing is conducted to prompt a plate blank to be compact; the plate blank is taken out through a cooling pressing machine, and all the layers of veneers are separated and then cut into long-strip-shaped wood sheets, namely element veneers, suitable for weaving; two-dimensional weaving is conducted on the element veneers according to a crisscross principle; an adhesive is applied to the surfaces of the veneers formed through weaving, the veneers are aligned and arranged in a stacked mode, then the arranged assembled veneers are placed in a cold press grinding tool, and high pressure is applied; and the mold of a cold press is heated to promote high-temperature curing of the adhesive, and after curing is completed, cooling and demolding are conducted to obtain the composite material. The composite material is small in water absorption thickness expansion rate, good in sizestability, easy to process and beneficial to promoting green development of the composite material.

The invention relates to a fishery illegal fishing monitoring and early warning method and system, and the method comprises the steps of obtaining the image information of a target region, and obtaining the monitoring information according to the image information; comparing the monitoring information with preset information to obtain a deviation ratio; judging whether the deviation rate is greater than a preset deviation rate threshold, if so, generating early warning information, judging whether the early warning information reaches an early warning condition, if so, comparing the early warning information with the monitoring information, determining an early warning level, and formulating a corresponding response scheme according to the early warning level. The effective use of resources is improved, meanwhile, tracking and fishing of marine organisms are monitored in real time, and when a cross-border fishing boat or fishing occurs, warning information is actively sent out and stored, so that dispute query after the event is facilitated.

The invention discloses a rapid volume reduction and resource utilization treatment system for rotten vegetables leaves. The rapid volume reduction and resource utilization treatment system comprisesa rapid volume reduction treatment system for rotten vegetables leaves and a multi-path resource utilization system for rotten vegetables leaves composed of a liquid biochemical treatment module, a feed treatment module and a solid biochemical treatment module. According to the system disclosed by the invention, rapid and high-efficiency treatment of vegetable wastes can be realized, the resourceutilization rate of the vegetable wastes is improved, and pollution of the wastes to the environment is fundamentally solved; moreover, a good way is found for the vegetable wastes, the wastes are changed into valuable materials, green development and sustainable development of organic and ecological agriculture can be promoted, development of rural economy and society is further promoted, and important social benefits and economic benefits can be produced.