95 results about "Barrier layer" patented technology

The invention relates to a self-repairing anti-corrosion water-based paint applied to the field of paint compositions, which is prepared by the following steps: firstly, preparing a self-repairing microcapsule encapsulated with a self-repairing agent and a corrosion inhibitor, and then uniformly dispersing the self-repairing microcapsule into water-based base resin under a low-shear condition; the prepared coating can be applied to the surface of a pretreated metal base material in a brush coating, spray coating or blade coating mode and the like, a micron-sized anti-corrosion coating is formed after curing, under the normal condition, the microcapsules are placed in the coating in a standing mode and do not work, when scratches occur, the self-repairing microcapsules are broken and play a role, and the corrosion resistance of the coating is improved. The self-repairing agent rapidly fills and heals the damaged part of the coating to form a new barrier layer, the corrosion inhibitor forms a protective film on the exposed metal surface to inhibit the corrosion reaction, and the synergistic mechanism can effectively delay the corrosion diffusion of the scratched part, so that the protection integrity of the coating on the base material is maintained, and the service life of the coating is prolonged. And the coating can be suitable for metal structure protection in severe environments such as ocean climate, high-humidity and high-salt environments, acid rain regions, chemical environments and the like.

A sorbent article is described including a sorbent region, a desorbing media region, and a selective barrier layer positioned at least between the two regions. Also described are methods of forming the sorbent article and methods of using the sorbent article for the purpose of swing adsorption, including for direct air capture (DAC) of carbon dioxide. The selective barrier layer may be impermeable to water and water vapor to protect the sorbent region. The sorbent article may be collapsible, wherein the selective barrier layer collapses into an adsorptive configuration to maximize access to the sorbent region during adsorption and expand into a desorptive configuration to maximize access to the desorbing media region during desorption.

The invention relates to a system for controlling development of a hot melt pond through regulation and storage combination and ecological conservation. The system comprises water storage type floating bed units, ecological grass felt units and capillary water supply units, wherein the water storage type floating bed units cover the water surface of the hot melt pond and are arranged in an array mode, the ecological grass felt units are arranged on the water storage type floating bed units, and the capillary water supply units are connected with the ecological grass felt units. Each water storage type floating bed unit is a prefabricated floating carrier of an inverted convex structure, the whole upper part of each floating carrier is a concave groove, the bottom of each floating carrier is provided with array type concave water storage small pools, and the four corners of each floating carrier are provided with fixed round holes; drainage and ventilation holes are distributed in the rib top between every two adjacent array type concave water storage small pools; each ecological grass felt unit is sequentially composed of a vegetation layer, a capillary water blocking layer, a substrate layer and a porous supporting layer from top to bottom. The capillary water supply unit is composed of a main capillary water supply part and an auxiliary capillary water supply part. The method can effectively reduce the thermal erosion effect of the hot melting pond, and achieves the purpose of promoting the stability of frozen soil engineering near the hot melting pond.

The invention relates to the technical field of co-extruded films, and provides a multi-layer co-extruded film, a preparation method thereof, a bag body and application of the multi-layer co-extruded film and the preparation method. The multi-layer co-extruded film comprises an outer surface layer, an inner surface layer and a middle layer, the middle layer comprises a blocking layer and a flexible supporting layer, the flexible supporting layer comprises at least two flexible layers which are directly connected, and each flexible layer comprises random copolymer containing ethylene structural units and unsaturated carboxylic ester structural units and optional polyolefin. The Shore hardness H of the single flexible layer is not higher than 90 Shore A, and the ratio of the Shore hardness H of the single flexible layer to the Shore hardness of the barrier layer is 0.5-0.8. The co-extrusion film can tolerate folding and twisting, has high stability and reliability, and is suitable for being used as a freezing and thawing bag or a biological feed liquid bag and the like.

The invention relates to the technical field of reservoir transformation analysis methods, in particular to a thin mutual reservoir fracturing stratification analysis method which comprises the steps that according to a single well logging curve, the minimum horizontal ground stress of each small layer of a thin mutual reservoir is calculated, and the reservoir interlayer stress difference between the first layer to the Nth layer is calculated from top to bottom; if the stress difference between the reservoir and the interlayer is smaller than delta P, the reservoir and the interlayer are combined into one layer for fracturing; and if the stress difference of the interlayer is larger than or equal to delta P and the thickness of the interlayer is larger than or equal to 4.5 m, the interlayer serves as a shielding layer to conduct separate layer fracturing transformation on the upper layer and the lower layer of the interlayer. By calculating the stress difference data of the storage interlayer, whether the interlayer can play a shielding role or not can be directly judged according to the chart, the reasonable layering position is determined, subjective assume is avoided, and the risk of pressure channeling between the upper layer and the lower layer is reduced; by means of the method, layering accuracy analysis and judgment can be conducted on the measure well in advance, layering effectiveness is improved, fracturing transformation is more targeted, and the yield of a single well can be increased.

According to one aspect of the present disclosure, a magnetoresistance (MR) element includes a free layer. In some embodiments, the free layer also includes a vortex layer comprising a vortex and a skyrmion layer magnetically coupled to the vortex layer. In some embodiments, in the skyrmion layer is configured to form skyrmions that reduce annihilation of the vortex thereby increasing a linear response range of the MR element. In some embodiments, the MR element is a tunneling magnetoresistance element or a giant magnetoresistance element. In some embodiments, the MR element includes a barrier layer, wherein the vortex layer is closer to the barrier layer than the skyrmion layer.

The invention provides a method for quickly evaluating and treating the water diversion safety of the overburden in the working face mining. In the treatment method, before the working face is mined, a waterproof curtain is constructed along the boundary of the surface subsidence range. The waterproof curtain extends from the surface to the bottom waterproof layer, so that in the vertical projection direction, the bottom aquifer within the surface subsidence range is completely enclosed by the waterproof curtain, so that the water inside and outside the waterproof curtain does not interfere with each other, thereby reducing the amount of water that affects the mining of the working face. At the same time, multiple water level and crack monitoring components are arranged. During the mining process of the working face 1, the water level in the waterproof curtain and the cracks caused by the sinking of the bottom waterproof layer are monitored in real time through the water level and crack monitoring components, and corresponding treatment measures are taken according to the corresponding situation; the waterproof curtain, grouting operation and pumping operation work together to achieve the effect of no water storage in the waterproof curtain, while also greatly reducing the construction cost, improving the construction efficiency, and protecting the ecological environment.

A membrane assembly for extracting water from ambient air or seawater includes a manifold tube surrounded by a membrane web arranged about the manifold tube in a spiral configuration. The manifold tube has an entrance end, an exit end, web entrance ports, and web exit ports. The web membrane has a first osmosis membrane, a second osmosis membrane, a barrier layer positioned between the first osmosis membrane and the second osmosis membrane to form a first fluid flow conduit in fluid communication with the web entrance ports and a second fluid flow conduit in fluid communication with the web exit entrance ports and an end of the first fluid flow conduit. The web membrane also has a first porous structural material layer positioned within the first and second fluid flow conduit, and a second porous structural material layer positioned about the first osmosis membrane.

The invention discloses an in-situ remediation system and method for a bedrock fracture polluted site. A well pipe is sequentially connected with a precipitation pipe, a screen pipe and a pipe head from bottom to top, and the pipe head is connected with a well head; high-temperature cement is filled between the outer side of the precipitation pipe and the well wall for sealing; quartz sand filler is filled between the outer side of the screen pipe and the well wall, high-temperature cement is filled between the outer side of the pipe head and the well wall for sealing, and a barrier layer is arranged on the earth surface of the multifunctional well; the injection position of the multifunctional well is determined according to the bedrock fracture detection device, the screen pipe is divided into injection function areas corresponding to the injection position by filling the packing material, and the injection function areas are provided with extraction / injection pipelines correspondingly connected with the repair equipment at the well head. According to the method, the underground connectivity and the fracture range of the bedrock fracture polluted site are tested, meanwhile, injection and extraction functions can be achieved through transformation, tedious operation steps such as pipeline re-laying and well re-building are avoided, the repairing efficiency and accuracy are improved, and the economic cost is saved.

The invention relates to the technical field of ecological restoration, and discloses an integrated toughness ecological restoration and reinforcement method for an expansive soil side slope, which sequentially comprises a deep crack restoration layer (1), a shallow barrier layer (2) and a surface ecological layer (3) from inside to outside in the depth direction of the expansive soil side slope, and the three layers form a protection system; from the overall view of the scheme, the fundamental problem of slope structure stability is solved through deep reinforcement, the reason that expansive soil swells when encountering water is cut off through shallow water blocking, long-term ecological restoration and surface protection are achieved through surface ecology, and full-dimensional toughness protection of deep stability control, shallow water control and surface ecology control is formed through a three-layer system. And finally, the core problems that in traditional expansive soil slope restoration, the short-term effect is obvious, but the long-term effect is prone to losing efficacy, and structural reinforcement and ecological restoration are difficult to consider at the same time are solved, and the double sustainable targets of slope safety stability and ecological environment restoration are achieved.

Disclosed are methods and systems for monitoring a tracer in a monitored system having at least three three barrier layers and at least three tracers, wherein for the at least three barrier layers those barrier layers may be called a first barrier layer, a second barrier layer, and a third barrier layer, wherein each of these barrier layers has an initial association with a different one of the three tracers. Further, the disclosed methods and systems may detect, subsequent to the monitoring, the tracer at a location that is external to the initial association for the different one of the three tracers, wherein the tracer is one of the three tracers. In various example embodiments, the methods and systems may include more barrier layers and / or more tracers, whereby interactions therein permit determination of location, concentration, amount, and identity of traced composition(s), including breaches, in sealable monitored systems.

The utility model discloses a durable composite pipe for transmitting oil and gas, which comprises an inner lining layer, an outer lining layer and an outer lining layer, the lining layer structurally comprises polyethylene layers and an alloy framework, and the alloy framework is embedded between the polyethylene layers; the alloy skeleton structure comprises a plurality of overlapped wave-shaped alloy rings, each wave-shaped alloy ring is provided with wave crests and wave troughs which are alternately arranged, every two adjacent wave-shaped alloy rings are fixedly connected, and the wave crests of one wave-shaped alloy ring right face the wave troughs of the other wave-shaped alloy ring. The inner protection layer is arranged on the surface of the outer layer of the inner lining layer; the reinforcing layer is arranged on the surface of the outer layer of the inner protective layer; the outer barrier layer is arranged on the surface of the outer layer of the reinforcing layer. The pressure-bearing and tensile capacity of the composite pipe is optimized, meanwhile, the inner pipe layer is structurally reinforced, the pressure-bearing strength difference of the inner pipe layer and the outer pipe layer is reduced, and the overall structure of the composite pipe is more stable.

The invention relates to the technical field of seabed foundation treatment, and discloses a seabed sand layer softening construction method which comprises the following steps: integrating a multi-physical field sensing system, a sound wave resonance module and a torsion pulse module on double-wheel stirring equipment; during construction, a real-time state vector representing stratum interaction is constructed through a sensing system; continuously applying a high-frequency sound wave and a functional composite fluid, and judging a stubborn barrier layer triggering condition based on the state vector so as to conditionally apply a torsion pulse; and meanwhile, minimizing the total energy consumption of the system as a target function, and performing closed-loop regulation and control on sound wave and fluid parameters. According to the method, through real-time sensing, energy collaboration and closed-loop optimization, accurate self-adaptive control over the construction process is achieved, and the total energy consumption of construction is remarkably reduced while the stubborn barrier layer is effectively treated.

The present invention relates to a slurry composition for copper barrier layer polishing for chemical mechanical planarizing (CMP) of tantalum nitride or tantalum as an anti-diffusion film in the presence of an interconnect structure material in an integrated circuit device. The slurry composition according to the present invention contains abrasive particles, a heterocyclic compound, an organic acid, a surface protecting agent, a nitride, a pH adjuster, and a balance of deionized water, and exhibits the effect of providing an excellent slurry composition having a large polishing selectivity and few dishing and defect numbers.

The application provides a kind of intelligent discrimination and enhancement method of effective barrier layer under aquifer protection in mining area, and belongs to the technical field of water-preserved mining.The method obtains geological parameters and coal rock mass physical and mechanical parameters of multiple experimental mines, uses 3DEC numerical simulation to simulate the fracture morphology of overburden rock after mining, establishes a water resource seepage model combined with COMSOL Multiphysics software, and calculates the water resource intrusion depth.Then, the relevant parameters are taken as input, the water resource intrusion depth is taken as output, the SVM model is trained to build an intelligent discrimination model of barrier layer water resource seepage, and then the water resource intrusion depth is predicted and the effective barrier layer thickness is calculated combined with the safety factor.The effective barrier layer is discriminated and processed according to different conditions.The application uses the above-mentioned intelligent discrimination and enhancement method of effective barrier layer under aquifer protection in mining area, discriminates and enhances the water-resisting capacity of the effective barrier layer, and realizes the protection of water resources in mining area.

The invention discloses a holding power anchor capable of being used for reef geology and a mounting device of the holding power anchor. The holding power anchor comprises an anchor top connecting plate, an anchor rod, a plurality of anchor flukes, an anchor chain, an anchor rod plate, a gravity block and an anchor rod bottom. The anchor chain is connected with the anchor rod plate; one end of each anchor fluke is hinged to the anchor rod plate, the multiple anchor flukes can be unfolded or folded relative to the anchor rod, the gravity block is movably arranged on the anchor rod, and when the anchor flukes are not unfolded, the gravity block is extruded. The mounting device comprises a high-pressure water jet cutter generator, a water jet cutter recovery rod, a water jet cutter recovery chain, an anchor fluke limiting plate and a water jet cutter spray pipe, the high-pressure water jet cutter generator is used for generating and outputting high-pressure mixed mortar or high-pressure water jet, and when the holding power anchor is mounted, the water jet cutter spray pipe sequentially penetrates through an anchor top connecting plate, an anchor rod and an anchor rod bottom. High-pressure mixed mortar or high-pressure water jet is sprayed out from the bottom of the anchor rod to cut obstacles at the anchor bottom, and obstacle breaking is achieved. The problem of anchor fluke embedding failure caused by a hard barrier layer in reef geological anchoring can be effectively solved, and ocean development is assisted.

Embodiments herein provide a method for forming an interconnect structure, comprising: depositing a barrier layer over one or more surfaces of a feature formed in a surface of a substrate, wherein the barrier layer comprises manganese, and the one or more surfaces of the feature comprise one or more sidewall surfaces and a bottom surface; depositing a liner layer over the barrier layer, wherein the liner layer comprises ruthenium; and filling the feature with an interconnect material, wherein filling the feature comprises depositing the interconnect material on the deposited liner layer.

A sludge separator according to the present invention comprises a barrier layer having a plurality of barrier units spaced apart from each other, and thus the sludge separator has excellent performance and can prevent a gas flow path from being blocked. The NMP purification method and apparatus using the sludge separator can provide high-purity NMP by improving the recovery rate of NMP recovered from waste NMP.

The invention discloses an anticorrosive coating and a preparation method thereof, and relates to the technical field of anticorrosive coatings. According to the coating, a bio-based binder containing dynamic covalent bonds serves as a matrix, two-dimensional nanosheets, three types of functional microcapsules (self-repairing / corrosion inhibition / indication), biological microcapsules (embedded by bacillus subtilis) and green corrosion inhibition pigment are matched, VOC is smaller than or equal to 50 g / L, and lead / chromium / organic tin is not contained. After the film is formed, an outer barrier layer (sheet layer orientation), an intelligent response inner layer and a polydopamine nanometer base coat are arranged from top to bottom. According to the technology, high shear / electric field induced orientation and 25-60 DEG C low-temperature curing are adopted, passive shielding, chemical and biological synergistic self-healing, visual early warning and regeneration plugging are achieved, and the long-term protection performance of ocean and underground pipelines is remarkably improved.

The utility model relates to a sand barrier system and a photovoltaic power station, the sand barrier system comprises a gravel sand barrier layer, a high vertical sand barrier layer and a middle sand barrier layer, the gravel sand barrier layer is annularly arranged on a fixed pile of equipment, and the middle sand barrier layer is arranged on the peripheral side of the gravel sand barrier layer and located between the gravel sand barrier layer and the high vertical sand barrier layer. The multi-sand-barrier layer structure formed by the gravel sand-barrier layer, the middle sand-barrier layer and the high vertical sand-barrier layer can reduce erosion of flowing of sand to the fixed piles and the sand-barrier layers located near the fixed piles, so that the sand stabilization and sand prevention effects of the whole sand-barrier system are enhanced, and the service life of the sand-barrier and the fixed piles is prolonged.

Methods for surface pretreatment during selective deposition are disclosed. One or more embodiments of the present disclosure provide surface pretreatment that facilitates the removal of a barrier layer. Some embodiments of the present disclosure include a surface pretreatment comprising exposing a substrate having a first surface and a second surface to modify the first surface, depositing a barrier layer on the modified first surface, selectively depositing a film on the second surface relative to the barrier layer, and removing the barrier layer.

The sludge separator of the present invention comprises a barrier layer having a plurality of barrier units spaced apart from each other, and thus the sludge separator has excellent performance and can prevent a gas flow path from being blocked. The NMP purification method and apparatus using the sludge separator can improve the recovery rate of NMP recovered from waste NMP, thereby providing high-purity NMP.

The invention discloses a harmless ardealite ecological backfilling method for preventing and controlling polluted underground water, and belongs to the technical field of ecological backfilling of solid waste strip mine pits. According to the backfilling method, a base layer, a lower leakage detecting layer, an impermeable layer, a flow guide layer, a backfilling layer, an upper leakage detecting layer, a blocking layer and a repairing layer are arranged from bottom to top. The upper leakage detection layer can discharge evaporated water in the backfill pile body, external rainwater can be discharged through the upper leakage detection layer after the barrier layer is damaged, the increment of percolate is controlled, the damage condition of the barrier layer can be reflected in time, and it is guaranteed that the water content in the pile body is low, the percolate amount is reduced, and the pollution source intensity is reduced. A solid tracer is doped in the lower leakage detection layer, so that the integrity of the impermeable layer can be indicated, and the impermeable layer can be repaired in time; quicklime is doped in the base layer, so that fluoride and phosphate in the percolate can be adsorbed or neutralized, time is bought for repairing the impermeable layer, and the effect of preventing and controlling underground water pollution is achieved. All functional layers have a synergistic effect, so that the percolate is effectively prevented from infiltrating to pollute underground water.

The invention relates to the technical field of blocking-treatment of VOCs (volatile organic compounds) in polluted sites, in particular to a prevention and treatment method for edge flow-around overflow of gaseous pollutants in a blocking layer of a VOCs polluted site. A gas collection area is arranged along the edge of the barrier layer constructed by the HDPE film to enable VOCs flowing around the edge to be collected in the area, a ventilation pipeline is arranged in the area to be used for regulating and controlling oxidation reduction conditions in the area and enhancing the activity of VOCs degrading bacteria, and the ventilation pipeline and surface vegetation form a soil-microorganism-plant coupled degradation system. All interception and in-situ biodegradation of the VOCs flowing around the edge and overflowing are realized. The method has the advantages of being low in cost, easy to construct, environmentally friendly, capable of achieving the landscape function and the like, and is suitable for barrier engineering of the VOCs contaminated site.

An article according to an exemplary embodiment of this disclosure, among other possible things includes a substrate and a barrier layer on the substrate. The barrier layer includes a bond coat comprising a matrix, diffusive particles disposed in the matrix, and gettering particles disposed in the matrix. At least about 10% of the gettering particles are in a crystalline phase. The article also includes a top coat. An article is also disclosed.

The present invention discloses a method for suppressing and controlling pollution in a mine pile, comprising the following steps: Step 1: constructing a bottom mineral-encapsulated barrier layer, which is established in the interval of 30 to 130 cm below the surface of the slag yard, inducing a mineralized coating on the surface of deep slag particles, and blocking mineral oxidation; Step 2: constructing a middle-layer microbial carrier layer, which is established in the interval of 30 cm below the surface of the slag yard, and creating an optimal space for the growth and reproduction of sulfate-reducing bacteria; Step 3: constructing a surface barrier layer, which is established above the surface of the slag yard, and promoting the formation of a reducing environment in the middle-layer microbial carrier layer. The present invention relates to the technical field of mine pollution control. On the basis of constructing a strong reducing environment from the bottom layer to the surface of the pile, the pollution of the mine pile is treated and controlled in situ, which can completely solve the problems of acidic leaching water seepage and heavy metal pollution in the mine slag yard. The method does not cover the film or soil, and adopts a long-term microbial control method to suppress the pollution of the mine pile, and is green, low-carbon and environmentally friendly.

The invention provides a medium-long wave double-color superlattice structure capable of reducing spectral crosstalk and a preparation method thereof. The medium-long wave double-color superlattice structure comprises a substrate layer, a buffer layer, a long wave structure layer, a barrier layer, a medium wave structure layer and a cover layer which are sequentially arranged from bottom to top, wherein the barrier layer is an InAs < 0.82 > Sb < 0.18 > barrier layer, the medium wave structure layer adopts a pin structure formed by 8 ML InAs / 7 ML GaSb superlattices, the long wave use absorption layer adopts 14 ML InAs / 7 ML GaSb, and the barrier layer adopts an nbn structure of 10 ML InAs / 7 ML GaSb. According to the invention, the absorption of a long-wave material in a medium-wave band can be effectively reduced, and meanwhile, long-wave photoelectrons entering the medium-wave material are effectively reduced, that is, medium-long wave double-color spectral crosstalk is reduced; the same superlattice material is used in a medium-long wave pin structure of the medium-long wave material, and a barrier layer is added to only long waves, so that the growth difficulty of the material is reduced, and the defects in the material can be effectively reduced; according to the invention, the strain problem caused by the growth of the superlattice laminated layers with different proportions is avoided, and the defects of medium-wave materials are further reduced.

To suppress an occurrence of a void in a boundary surface of a base member and a barrier layer.SOLUTION: A pressure container A manufacturing method is a method for manufacturing a pressure container A including base members 11 and 14 having a base material 20 containing a vaporization component, and barrier layers 12 and 15 formed on internal surfaces 11S and 14S of the base members 11 and 14, which includes a decompression vaporization process for vaporizing a vaporization component in the base materials 11 and 14 by heating the base members 11 and 14 under a decompressed environment where a pressure is lower than an atmospheric pressure. By heating the base materials 11 and 14 under the decompressed environment, the vaporization component in the base materials 11 and 14 is vaporized, and discharged to the outside of the base members 11 and 14 so that the vaporization component remaining in the base members 11 and 14 is reduced.SELECTED DRAWING: Figure 8