33results about How to "Inhibition of desorption" patented technology

An exhaust gas purifying catalyst comprises a hydrocarbon adsorbent layer containing zeolite as a main component and a metal-based catalyst layer containing any noble metal such as palladium, platinum, rhodium, etc. on a monolithic support that has a plurality of cells whose sectional shape is a regular N-polygon. In the case that Rc is a distance from a center of gravity to an inner wall surface of the hydrocarbon adsorbent layer along a line extending from the center of gravity of the regular N-polygon in the cell sectional shape to a corner of the N-polygon, and Rf is a distance from the center of gravity to the inner wall surface of the hydrocarbon adsorbent layer along a line extending from the center of gravity perpendicularly to respective sides of the regular N-polygon, a ratio Rc / Rf is set to less than or equal to 1.7 in a cell sectional shape.

Provided are a thin film transistor that is capable of suppressing desorption of oxygen and others from an oxide semiconductor layer, and reducing the time to be taken for film formation, and a display device provided therewith. A gate insulation film 22, a channel protection layer 24, and a passivation film 26 are each in the laminate configuration including a first layer 31 made of aluminum oxide, and a second layer 32 made of an insulation material including silicon (Si). The first and second layers 31 and 32 are disposed one on the other so that the first layer 31 comes on the side of an oxide semiconductor layer 23. The oxide semiconductor layer 23 is sandwiched on both sides by the first layers 31 made of aluminum oxide, thereby suppressing desorption of oxygen and others, and stabilizing the electrical characteristics of a TFT 20. Moreover, since the second layer 32 is made of an insulation material including silicon (Si), the time to be taken for film formation can be reduced compared with a single layer made of aluminum oxide.

A thin film transistor comprising: a substrate; a gate electrode on the substrate; a gate insulation film on the gate electrode; an oxide semiconductor layer on the gate insulation film; a channel protection film on the oxide semiconductor layer; source and drain electrodes on the channel protection film; and a passivation film on the source and drain electrodes, wherein, (a) each of the gate insulation film, and passivation film comprises a laminated structure and includes a first layer made of aluminum oxide and a second layer made of an insulation material including silicon, and (b) the passivation film covers edges of the oxide semiconductor layer. The transistor is capable of suppressing desorption of oxygen and from the oxide semiconductor layer and reducing the time for film formation thereof.

The present invention relates to an engine luboil composition applicable to base oil (group III), in particular, it is a luboil composition of diesel engine which is applicable to base oil (group III). It is characterized by that it contains lots of hydroisomerized base oil (group III), and said composition also contains proper quantity of modified salicylate, high base number sulfonate, high base number sulfurized alkylphenol salt, disuccinyl imine ashless dispersant, boronized disuccingl imine ashless dispersant, zinc dialkyl dithiophosphate, phenolic auxiliary antioxidant and amine auxiliary antioxidant. Said luboil composition can meet the liubricating requirements of API CD grade diesel engine oil.

The invention belongs to the technical field of metal corrosion protection, and relates to a synergistic antifouling material based on microstructures and antifouling active substances and a preparation method thereof. The material is composed of matrixes formed by a plurality of microstructure base units with circular shaft structures, wherein the internal lower layer of each microstructure base unit is filled with an antifouling active substance, and the internal upper layer of the microstructure base unit is filled with a sealant. The process of the preparation method comprises steps of preparing microstructures, preparing the liquid antifouling active substances and preparing the synergistic antifouling material, and adhesion of fouling organisms is prevented through synergistic anti-fouling effect of the microstructures and the anti-fouling active substances. Components of the synergistic antifouling material are simple in structure, the material contains no nitrite, phosphate or heavy metals, and metal corrosion protection and inhibition effects on bacterial growth are good; the material is environment-friendly and safe, is a novel antifouling material based on new principles and new technologies because of adoption of surface microstructure properties and the anti-fouling active substances for synergistic fouling prevention, and has good promotion and application prospects.

The invention discloses a rectangular-waveguide TM11-mode microwave high-power ribbon electron beam collector, aiming to provide an electron beam collector capable of recovering a ribbon electron beam with high efficiency and good cooling performance while conducting high-efficiency transmission of a rectangular-waveguide TM11-mode microwave. The collector comprises a rectangular waveguide, an inner conductor, and two flanges. The inner conductor is a cuboid metal block fixed in the middle of a narrow edge of the rectangular waveguide and comprises cuboid water through channels inside for cooling. The flanges fixed on the outer side of the narrow edge of the rectangular waveguide communicate with the water through channels inside the inner conductor and are used for connection between the collector and an outer water tank. The collector can collect a ribbon electron beam with good cooling performance while conducting high-efficiency transmission of a rectangular-waveguide TM11-mode microwave. The collector is simple and compact in structure, low in cost, high in transmission efficiency, and wide in transmission band.

To suppress desorption of hydrogen ions with which a single crystal semiconductor substrate is irradiated. A method for manufacturing an SOI substrate includes the following steps: irradiating a semiconductor substrate with carbon ions; irradiating the semiconductor substrate with a hydrogen ion after the irradiation with the carbon ion so as to form an embrittled region in the semiconductor substrate; disposing a surface of the semiconductor substrate and a surface of a base substrate to face each other and to be in contact with each other so that the semiconductor substrate and the base substrate are bonded; and heating the semiconductor substrate and the base substrate which are bonded to each other and separating the semiconductor substrate along the embrittled region so that a semiconductor layer is formed over the base substrate.

The invention discloses a device and method for synergistically preventing and controlling comprehensive mechanized coal mining face magnetized surfactant gas and coal dust. The device comprises a solution compounding device, a magnetized water generating device, a pressurizing device and a spraying and injecting device, wherein the solution compounding device is connected with the magnetized water generating device through a pipeline, and the pressurizing device is respectively connected with the magnetized water generating device and the spraying and injecting device; a surfactant preparation device comprises liquid storage tanks, a rotor flow meter, a pressure pump and a main pipeline, the liquid storage tanks are connected with the rotor flow meter, the rotor flow meter is communicatedwith the main pipeline through the pressure pump, and the main pipeline is communicated with an external water supply system; and the plurality of liquid storage tanks are arranged along the liquid flowing direction of the main pipeline. According to the device and method, cooperative prevention and control of the gas and coal dust are achieved, the dust concentration can be effectively controlled while gas desorption is restrained and the gas concentration is reduced, and the working environment of a working face is improved; and the purpose that one device has multiple functions is achieved, cost is saved, and energy is saved.

The invention discloses a system for synergistically controlling corner gas by blocking a gas wall and a magnetized active agent and a method. The system includes a gas wall assembly and a spray assembly, the gas wall assembly is arranged on a mining channel, the spray assembly is arranged at the position near a corner, and the gas wall assembly is used to block the channel where a working surfaceis located; the spray assembly is used to spray a magnetic surfactant to a corner area; the gas wall assembly includes a gas pipeline, a pressure gauge, airbags, buckles, an inflation valve, a safetyvalve and a pressure relief hole; the inflation valve, the safety valve and the pressure relief hole are all formed in the airbag, each airbag is provided with a buckle ring, and the adjacent airbagsare connected through the buckles and the buckle rings; and the airbags are arranged in a height direction in sequence in a stacking mode. The system requires a small amount of engineering during construction and operation, and can be used without additional building of large-scale equipment. The use process is simplified, and the system is suitable for safe and efficient use by coal mine workers.

A device for quickly eliminating outburst by injecting liquid nitrogen to freeze coal through bedding drill holes twice comprises a liquid nitrogen machine, a liquid nitrogen storage tank, a liquid nitrogen injection machine, a temperature indicator, the first bedding drill hole, the second bedding drill hole, the third bedding drill hole, the fourth bedding drill hole, the fifth bedding drill hole and the sixth bedding drill hole, wherein the first bedding drill hole, the second bedding drill hole, the third bedding drill hole, the fourth bedding drill hole, the fifth bedding drill hole and the sixth bedding drill hole are arranged in sequence from left to right along the inside of a coal layer of regional substandard validation, and wheels are arranged on the bottom of the liquid nitrogen storage tank. The device for quickly eliminating outburst by injecting liquid nitrogen to freeze coal through bedding drill holes twice is suitable for the circumstances that every time the coalface is pushed forwards 10-50m, regional validation is substandard, and the extraction blank zone exists when the bedding drill holes are adopted to extract gas. Liquid nitrogen is injected through the bedding drill holes which are constructed, coal is quickly frozen by utilizing the low-temperature property of the liquid nitrogen (-196 DEG C) to build a low-temperature (below 0 DEG C) environment, inhibit desorbing of coal gas, and lower the gas scattering speed and the gas desorption amount. Quick outburst eliminating is achieved, the problems of the extraction blank zone, long extracting time, large project volume and large cost in the process of coal layer gas extraction are efficiently solved, and coal mining operation efficiency is improved.

The invention discloses a high-hardness thermoplastic polyurethane foaming coiled material and a preparation method thereof, and relates to the technical field of novel polyurethane. The semi-continuous preparation method of the high-hardness thermoplastic polyurethane foaming coiled material comprises the following steps: (1) uniformly mixing high-hardness thermoplastic polyurethane, low-hardness thermoplastic polyurethane (if any) and an auxiliary agent, and carrying out melt extrusion, calendering and rolling to obtain a precursor thermoplastic polyurethane coiled material; (2) dipping the precursor thermoplastic polyurethane coiled material in a high-pressure fluid, and carrying out low-temperature gas locking and low-temperature storage; and (3) heating, foaming, cooling and rolling to obtain the high-hardness thermoplastic polyurethane foamed coiled material. The hardness of the high-hardness thermoplastic polyurethane is 55-90 HD, and the flowing point of the high-hardness thermoplastic polyurethane is 190-208 DEG C; the hardness of the low-hardness thermoplastic polyurethane is less than 55 HD; the thickness of the precursor thermoplastic polyurethane coiled material ranges from 0.5 mm to 3 mm. The thermoplastic polyurethane foaming coiled material prepared by the method disclosed by the invention not only has higher hardness, but also has a good foam structure.

The invention relates to a method for extracting lithium from high-sodium lithium-containing brine, in particular to a method for extracting lithium from a high-sodium lithium-containing solution with high yield and reducing the sodium-lithium ratio of a desorption solution, which is used for optimizing a leaching process for extracting lithium from brine of an aluminum adsorbent, and comprises the following steps: enabling the high-sodium lithium-containing solution to flow through a resin column filled with the aluminum adsorbent; enabling a salt solution containing divalent cations to flow through the resin column subjected to adsorption treatment; leach water flows through the resin column subjected to pre-washing treatment; enabling a desorption agent to flow through the eluted resin column, and collecting lithium-rich desorption liquid; and enabling the high-salt solution to flow through a resin column subjected to desorption treatment, and collecting top material effluent. According to the method, lithium is extracted from the high-sodium lithium-containing solution with high yield, the sodium-lithium ratio in the desorption solution is reduced, operational feasibility is provided for further purification and concentration of the desorption solution, and energy consumption is reduced.

The invention discloses a gas inhibitor and a preparation method thereof. The preparation method comprises the following steps of: S1, calcium chloride is ground into powder by a grinding machine; S2, powdery calcium chloride is weighed in a second feeding pipe through a conveying auger and then put into a stirring box; S3, a thickening agent and a lubricating agent are input into the stirring box through a third pipeline; and S4, the thickening agent, the lubricating agent and the calcium chloride powder are fully stirred and mixed to obtain the gas inhibitor, then the gas inhibitor is discharged from a second discharging pipe of the stirring box, and the gas inhibitor is packaged for standby application. The gas inhibitor can be widely applied to fully mechanized coal mining faces, tunneling faces and the like of mining enterprises, inhibits gas desorption, guarantees safe production and has a bright application prospect.

The invention discloses a catalyst for preparing ethylene by reducing carbon dioxide, a catalytic electrode and a preparation method, the catalyst is a compound of nano carbon and nano cuprous oxide, the nano carbon is rich in surface functional groups, and the surface functional groups are oxygen-containing functional groups, nitrogen-containing functional groups, sulfur-containing functional groups or halogen-containing functional groups; and the nano cuprous oxide exposes a {111} crystal face. The catalyst has high selectivity and activity.

The invention belongs to photocatalytic CO 2 Reduction field, specifically related to a photocatalytic reduction of CO 2 The construction method and application of the Pickering microbubble system for the preparation of methanol. The Pickering microbubble system is composed of an amphiphilic Pickering solid photocatalyst as an emulsifier, which is spontaneously assembled at the air-water interface to form a water-in-CO 2 microbubble system. Using this system for photocatalytic CO 2 For the reduction reaction, the reduction efficiency can be increased by 10-80% compared with the traditional gas-liquid two-phase reaction; the selectivity of the reduction product methanol can be increased by 20-80%.

The invention discloses a coal gas freezing sampler for air drilling and belongs to the technical field of mine safety protection. The sampler comprises a vacuum insulating layer formed by hermetically welding an inner wall of a housing (6) and a liner (7) and a cooling gasket (11), a liquid nitrogen storage chamber formed by an inner cavity of the liner, a freezing chamber formed by the inner wall of the cooling jacket (11), the outer wall of a cone-shaped rock core tube (12) and an end cover (14), an insulating sampling chamber formed by the inner cavity of the cone-shaped rock core tube (12) and a closed water container formed by a piston (13) and the cone-shaped rock core tube (12). The sampler disclosed by the invention has the beneficial effects that the problem that the freezing and sampling effect is relatively poor as the water content of a coal sample in an air drilling process is low is effectively solved by means of a method of pre-storing water in the closed water container, and liquid nitrogen in the liquid nitrogen storage chamber is automatically released into the freezing chamber through a second one-way valve to moisturize and freeze a coal sample, so that the sampler is simple to operate and short in sampling time.

The invention belongs to the field of photocatalytic nitrogen fixation synthesis ammonia, and particularly relates to a construction method and application of a Pickering microbubble system for photocatalytic nitrogen fixation ammonia synthesis. The Pickering microbubble system disclosed by the invention is an N2-in-water microbubble system formed by taking an amphiphilic Pickering solid photocatalyst as an emulsifier and spontaneously assembling the amphiphilic Pickering solid photocatalyst on a gas-water interface. When the system is used for photocatalytic nitrogen fixation ammonia synthesis reaction, the nitrogen fixation efficiency can be improved by 5-40% in comparison with that of the traditional gas-liquid two-phase reaction, and the selectivity of ammonia can be improved by 10-50%.

The invention belongs to the field of photocatalytic CO2 reduction, and particularly relates to a construction method and application of a Pickering microbubble system for preparing methanol through photocatalytic reduction of CO2. The Pickering microbubble system is a CO2-in-water microbubble system, which is formed by taking an amphiphilic Pickering solid photocatalyst as an emulsifying agent and spontaneously assembling the amphiphilic Pickering solid photocatalyst on a gas-water interface. When the system is used for photocatalytic CO2 reduction reaction, the reduction efficiency can be improved by 10-80% in comparison with that of the traditional gas-liquid two-phase reaction, and the selectivity of the reduction product methanol can be improved by 20-80%.

The invention discloses kitchen garbage for obstructing vegetable-core root systems from absorbing and transferring ciprofloxacin and relates to the technical field of antibiotic pollution control. The invention comprises the following steps: (SS01) sorting and separation: sorting out kitchen garbage containing organic matters; (SS02) use of solids: using the solids to prepare solid fertilizers; (SS03) filtration of liquids: filtering the liquids; (SS04) extraction of organic acid: extracting the organic acid in the liquids; (SS05) detection and regulation of PH value of the organic acid: regulating the PH value of the organic acid to be in the range of 3.2-3.3; (SS06) package of organic acid: packaging in a sealed bottle body. The kitchen garbage disclosed by the invention has the beneficial effects that by extraction of the organic acid in the kitchen garbage, regulation of the PH value of the organic acid and use of low-concentration organic acid, the desorption of the vegetable-core root systems for the ciprofloxacin can be inhibited, so that the vegetable-core root systems can be obstructed from absorbing and transferring the ciprofloxacin and the problem of higher manufacturing cost of the existing materials for obstructing the vegetable-core root systems from absorbing and transferring the ciprofloxacin is solved.

The invention discloses a curing agent for heavy metal pollution soil, and preparation and application methods thereof. The curing agent is prepared from the following materials in percentage by mass: 30 to 55 percent of steel slag powder, 20 to 50 percent of quicklime powder and 5 to 30 percent phosphate-loaded charcoal. The curing agent has the advantages that firstly, the curing agent can obviously reduce the heavy metal mobility and the toxicity leaching quantity in the heavy metal polluted soil, and is particularly applicable to acid pollution sites with the high heavy metal content and various contaminant types; after the polluted soil restoration, the curing agent can be used as environment-friendly materials to realize the resource utilization; the environment risk of the pollution sites in the secondary development and utilization can be obviously reduced; meanwhile, the raw materials of the curing agent can be easily obtained; the cost is low; the preparation is simple; the use is convenient; the effect is stable; the curing agent can be popularized in a large range and can be applied to the curing stabilization restoration of the composite pollution sites.

The invention discloses a rectangular-waveguide TM11-mode microwave high-power ribbon electron beam collector, aiming to provide an electron beam collector capable of recovering a ribbon electron beam with high efficiency and good cooling performance while conducting high-efficiency transmission of a rectangular-waveguide TM11-mode microwave. The collector comprises a rectangular waveguide, an inner conductor, and two flanges. The inner conductor is a cuboid metal block fixed in the middle of a narrow edge of the rectangular waveguide and comprises cuboid water through channels inside for cooling. The flanges fixed on the outer side of the narrow edge of the rectangular waveguide communicate with the water through channels inside the inner conductor and are used for connection between the collector and an outer water tank. The collector can collect a ribbon electron beam with good cooling performance while conducting high-efficiency transmission of a rectangular-waveguide TM11-mode microwave. The collector is simple and compact in structure, low in cost, high in transmission efficiency, and wide in transmission band.

The invention discloses an ameliorant for compound heavy metal polluted soil and preparation and an application method thereof. The ameliorant is composed of the following materials (by weight): 30-55% of steel slag powder, 20-50% of calcium superphosphate powder and 5-30% of phosphate-loaded biochar. The invention has the following advantages: firstly, the ameliorant can remarkably reduce mobility and toxicity leaching content of heavy metal in heavy metal polluted soil and is especially applicable to acidic pollution sites with high content of heavy metal and various kinds of pollutants; after the polluted soil is ameliorated, resource utilization of the soil as an environment-friendly material can be achieved, and the environmental risk of secondary development and utilization of the pollution sites is remarkably reduced; the raw materials of the ameliorant are easily available; cost is low; and the ameliorant is simple to prepare and convenient to use, has stable effects, and can be promoted and applied at large scale in solidification and stabilization restoration of composite pollution sites.

The invention discloses a curing agent applicable to strong acidic compound heavy metal polluted soil as well as production and application methods. The curing agent is prepared from the following materials in percentage by mass: 30 percent to 55 percent of steel slag powder, 20 percent to 50 percent of quicklime powder and 5 percent to 30 percent of phosphate-loaded humic acid powder particles. The curing agent disclosed by the invention has the advantages that firstly, the migration property of heavy metal and toxin leaching quantity in the heavy metal polluted soil can be remarkably reduced; especially, the curing agent is applicable to an acidic polluted site with high heavy metal content and more pollutant types; after the polluted soil is repaired, the soil can be used as an environment-friendly type material for recycling; environment risks caused by secondary development and utilization of the polluted site are remarkably reduced; meanwhile, the curing agent has the advantages of easiness of obtaining the raw materials, low cost, simplicity in preparation, convenience for utilization and stable effect, and can be popularized and applied to curing and stabilized repairing of the compound polluted site in a large scale.

The invention belongs to the technical field of solid waste treatment, and particularly relates to a stabilization treatment method for iron-antimony waste residues. According to the method, an anaerobic environment is created by deoxidizing to prevent ferrous ions from being oxidized, the pH value of the iron-antimony waste residue suspension is adjusted to enable more ferrous ions to be adsorbed on the surface of the iron-antimony waste residue, and ferrous salt serving as a reducing agent can promote crystal conversion of amorphous ferric hydroxide in the iron-antimony waste residue to crystalline lepidocrocite or goethite. Active oxygen substances can be formed in the crystal conversion process of iron, so that trivalent antimony in the iron-antimony waste residues is oxidized under the condition that an exogenous oxidizing agent is not added to generate pentavalent antimony, and the toxicity of antimony is reduced; moreover, due to the generation of the crystalline lepidocrocite or goethite, antimony adsorbed on the surface of the iron-antimony waste residue is embedded into crystal lattices of stable iron minerals to inhibit desorption of antimony ions, the mobility and toxicity of antimony in the iron-antimony waste residue are reduced, the stability of the iron-antimony waste residue is improved, and the stabilized iron-antimony waste residue can stably exist under weak acid and alkaline conditions.

The invention discloses an agent for restoring compound heavy metal polluted soil and a production and usage method. The agent is prepared from, by mass, 30-55% of steel slag powder, 20-50% of calcium phosphate powder and 5-30% of phosphate supported humic acid particles. The agent has the advantages that firstly, the agent can remarkably reduce the mobility of heavy metals in the heavy metal polluted soil and toxicity leaching amount and is especially applicable to acidic pollution sites high in heavy metal content and large in pollutant type number, the restored polluted soil can serve as an environmentally friendly material for resource utilization, and the environmental risk in secondary development and utilization of the pollution sites is remarkably reduced; secondly, the raw materials for the agent are easy to obtain and low in cost, the agent is simple to prepare, convenient to use and stable in effect and can be popularized and applied to fixed and stabilized restoration of compound pollution sites.