56 results about "Barrier layer" patented technology

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 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.

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 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 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.

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.

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 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 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.

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.

This application provides a device for blocking sudden soil volatile organic compound (VOC) pollution, belonging to the field of soil treatment technology. It includes a first side filter pipe, a second side filter pipe, a first barrier layer, and a second barrier layer. The first barrier layer has a structure of non-woven geotextile-film-non-woven geotextile, and the second barrier layer is composed of non-woven geotextile-filler layer-non-woven geotextile-filler layer-non-woven geotextile. The first barrier layer is located above the first and second side filter pipes, and the second barrier layer is located below them. At least one of the first and second barrier layers is connected to the first and second side filter pipes, forming an uncovered cavity between them. Air vents are provided on the filter pipes corresponding to the cavity. This invention addresses sudden soil VOC pollution events, achieving in-situ blocking and preventing the escape of VOCs.

The invention discloses a double-phase high-entropy porous alloy electrode material for direct seawater electrolysis and a preparation method and application thereof, a precursor of the electrode material is an A-B double-component alloy, a component A of the precursor comprises three or more of active elements Fe, Co, Ni, Cu, Mn, Cr and Zn, and a component B of the precursor comprises one or more of second-phase forming elements Al, V and Mo. Through selective phase corrosion-electrochemical activation, an A dynamic active sacrificial phase / B steady state inert matrix phase synergistic system is constructed: the A dynamic active sacrificial phase is a relatively active FCC phase in a precursor, and the A dynamic active sacrificial phase can be leached / oxidized to form an oxyhydroxide active layer and construct an anion barrier layer; the latter phase is a BCC phase or a sigma phase and can be used as a self-supporting framework to provide Cl-corrosion resistance and structural stability. The material has a three-dimensional bicontinuous graded porous characteristic, and the catalytic activity and the corrosion-resistant stability are both considered in direct seawater electrolysis. The preparation process depends on smelting forming, electrochemical selective corrosion and electrochemical activation, the process is short, and large-scale production can be achieved.

The packaging material 2 of the present disclosure includes a first base material layer 3, a barrier layer 4, and a sealant layer 5 in this order. The first base material layer 3 contains a polyester-based resin, the barrier layer 4 is a vapor deposition film of a metal oxide, the sealant layer 5 contains a heat-sealable resin, and the L in the CIE1976 color space calculated from the reflection spectroscopic spectrum measured in accordance with JIS Z 8722:2009 under the conditions of a D65 light source and a 2° viewing angle * is 99.159, a * is -0.038, and b * The color difference ΔE * ab(1) between the color tone of the film that is 0.40 or more and 0.80 or less, or the L in the CIE1976 color space calculated from the reflection spectroscopic spectrum measured in accordance with JIS Z 8722:2009 under the conditions of a D65 light source and a 2° viewing angle * is 98.869, a * is -0.079, and b * The color difference ΔE * ab(2) between the color tone of the film that is 0.25 or more and 0.50 or less, or the color difference ΔE between the color tone of the packaging material in the CIE1976 color space and the color tone of the D65 light source calculated from the reflection spectroscopic spectrum measured in accordance with JIS Z 8722:2009 under the conditions of a D65 light source and a 2° viewing angle * ab(3) is 1.20 or more and 1.80 or less, and the oxygen permeability measured in accordance with JIS K 7126-2:2006 in an environment of a temperature of 23°C and a relative humidity of 90%RH is 1.5 mL / m 2 ·day·MPa or less.

This application relates to the field of seabed foundation treatment technology and discloses a construction method for softening seabed sand layers, comprising the following steps: integrating a multiphysics field sensing system, an acoustic resonant module, and a torsional pulse module into a dual-wheel agitator; during construction, constructing a real-time state vector characterizing the interaction between strata through the sensing system; continuously applying high-frequency acoustic waves and functional composite fluid, and determining the triggering conditions of the stubborn barrier layer based on the state vector to conditionally apply torsional pulses; simultaneously, minimizing the total system energy consumption as the objective function, and performing closed-loop control of acoustic wave and fluid parameters. This invention achieves precise adaptive control of the construction process through real-time sensing, energy coordination, and closed-loop optimization, effectively treating stubborn barrier layers while significantly reducing total construction energy consumption.

An integrated structure that includes: a substrate; a conductive layer, the conductive layer having a first cavity, the first cavity being filled with a first insulating region, the first insulating region having a top surface flush with a top surface of the conductive layer to form a first planar surface; a protective liner on the top surface of the conductive layer and the top surface of the first insulating region; and an anodization barrier layer on the protective liner, the protective liner and the anodization barrier layer having a second cavity passing through the protective liner and the anodization barrier layer and opening onto the first insulating region, the second cavity being filled with a second insulating region, the second insulating region having a top surface flush with a top surface of the anodization barrier layer to form a second planar surface.

The invention discloses an ecological restoration method for saline-alkali improvement of a river (sea) bank. The ecological restoration method comprises the following steps: (1) excavating a saline-alkali soil body downwards for 1.5-2.5 m in a dry season; (2) preparing a hydrophobic microporous salt-isolating material, laying the hydrophobic microporous salt-isolating material at the excavation position to serve as a hydrophobic microporous salt-isolating layer, and earthing and tamping after laying; (3) a composite salt-resistant material layer is laid from the bottom of the slope to the hydrophobic microporous salt isolation layer along the upstream slope surface and attached to the slope surface; (4) an embedded micropore drainage belt is laid above the composite salt-resistant material layer and attached to the slope surface, the bottom of the drainage belt is connected with a water collecting pipe, and a drainage net is formed; (5) uniformly covering soil on the surfaces of the composite salt-resistant material layer and the embedded microporous drainage belt, paving geocells on the slope surface, and filling soil in a layered manner from the bottom of the slope to the top of the slope; and (6) carrying out plant configuration after improvement, and establishing an ecological functional area. According to the method, salt migration can be effectively blocked, the soil structure is improved, salt accumulation in soil is avoided, a plant community is configured, and the ecological function is improved.

The invention relates to an absorption core and an absorption product with the same. The absorption core is used for the absorption product, has a longitudinal direction along the length, a transverse direction perpendicular to the longitudinal direction and a thickness direction, and is characterized in that the absorption core comprises a core body, and side blocking structures protruding in the thickness direction are formed on the two opposite sides of the absorption core in the transverse direction respectively; the side blocking structure extends in the longitudinal direction and is composed of at least one of side protrusions formed on the two opposite sides of the core body in the transverse direction and side blocking structures formed on the two opposite sides of the core body in the transverse direction. The barrier layers are attached to the two transversely opposite sides of the core body and protrude out of the core body in the thickness direction.

The application provides a barrier construction for underground pollution vapor control and a preparation method thereof. The barrier construction comprises a cushion layer, an adsorption layer and a barrier layer arranged in sequence from bottom to top. The barrier construction for underground pollution vapor control and the preparation method thereof have good barrier sealing performance, high durability and stability, and can effectively prevent harmful gases such as volatile organic compounds from escaping.

The application discloses a kind of porous medium gas diffusion coefficient experimental device and method of stepless humidity, including external constant temperature and humidity box, gas diffusion tester, standard salt solution, gas concentration sensor etc..The test device can determine the influence of any saturation soil as horizontal barrier layer on gas diffusion under specific temperature and humidity.At the same time, the application also provides a kind of test method of model device for testing gas diffusion coefficient of horizontal barrier layer, by measuring test environment temperature, humidity, oxygen concentration, soil moisture content and soil compaction degree, the saturation of soil, gas diffusion coefficient, air humidity and temperature and the influence of different barrier materials, compaction degree on the barrier performance of horizontal barrier layer are obtained.

The invention belongs to the technical field of high-performance refractory materials, relates to a surface layer gradient densification method of a whisker toughened chromium-free refractory product and the product, and provides the surface layer gradient densification method of the whisker toughened chromium-free refractory product. A chromium-free refractory product containing an Al / Si-N-O-C non-oxide whisker reinforced phase is placed in steeping liquor to be steeped to form a gradient compact layer; the impregnated chromium-free refractory product is dried, so that active ingredients are enriched towards a surface layer area; and the dried chromium-free refractory product is subjected to heat treatment, so that active components enriched on the surface layer are reacted and sintered, and a gradient compact barrier layer chemically combined with the matrix is formed. According to the invention, the special structure of the internal gradient compact layer is constructed to realize whisker oxidation protection, so that not only is the problem of whisker oxidation in an oven solved, but also the gradient compact layer endows the product with higher surface hardness, wear resistance and slag permeability resistance, the effect of one stone with multiple birds is realized, and the service life of the product is prolonged. The safety and the service life of the product are systematically improved.

The invention discloses a method for continuously improving soil salinization. The method comprises the following steps: digging a salt drainage ditch at the edge of a to-be-improved area, laying a water return pipeline, removing surface soil of the to-be-improved area, laying a drip concealed conduit in the to-be-improved area, and laying an interlayer material on the drip concealed conduit to form a barrier layer; covering the barrier layer with the removed surface soil, and then laying straws on the surface soil; water is dripped through the drip concealed pipe, salt is washed into the ground through the drip water and discharged into the salt discharging ditch to form high-salinity water, the high-salinity water is conveyed through the water return pipeline, and the high-salinity water is used for supplying water to the drip concealed pipe after being treated through a calcium salt precipitation method. And the straws enrich the salt of the surface soil. The method is easy to operate and wide in application range, water recycling is achieved, soil salinity can be well reduced, the underground water level can be reduced, salinity in deep soil or underground water can be continuously prevented from rising to the surface layer of the soil, and the effect of continuously improving soil salinization is achieved.

The present disclosure relates to a quantum well structure comprising: a first barrier layer; a first quantum well layer over the first barrier layer; a first spacer layer over the first quantum well layer; and a second quantum well layer over the first spacer layer. The first spacer layer comprises a larger bandgap than the first barrier layer; and the first spacer layer comprises a thinner thickness than the first barrier layer.

To provide a method of producing a packaging material having a functional layer on a substrate using a casting process to coat the substrate.SOLUTION: A manufacture of a packaging material having at least one functional layer in which a water-based multilayer curtain is formed, the curtain to a substrate is applied, the outer layer of the curtain which comes into contact with air during casting includes surface activation additive, and the difference in a surface tension between the two outer layers of the curtain and the adjacent one or plurality of inner layers is at least 5 mN / m is described.SELECTED DRAWING: None

Methods and systems are provided for monitoring a tracer within a monitored system that includes at least three barrier layers and at least three corresponding tracers. The barrier layers—referred to as a first, second, and third barrier layer—may each have an initial association with a different one of the three tracers. The methods and systems may further enable detection, such as after the monitoring step, of a tracer at a location outside its initial associated barrier layer, where the detected tracer may be one of the three tracers. In certain embodiments, additional barrier layers and / or additional tracers may be employed, and interactions between and / or among them may allow determination of the location, concentration, amount, and identity of one or more traced compositions, including, for example, identification of breaches, within sealable monitored systems.