207 results about "Ir absorption" patented technology

The invention relates to the field of data management, in particular to a VOCs pollution working condition data treatment method based on artificial intelligence. The method comprises the following steps: firstly, constructing a three-dimensional model of a factory, a pipeline and treatment equipment based on a BIM tool and a GIS technology, and deploying an Internet of Things sensor to collect VOCs pollution data; collecting original infrared absorption spectrum data of VOCs, and performing component identification by using a non-negative matrix factorization algorithm; a machine learning model is trained in combination with historical data, and short-term emission prediction is carried out; cooperative scheduling is carried out on the governance equipment through a multi-agent game optimization algorithm, and an optimal operation scheme is generated; constructing volume cloud modeling, and dynamically displaying an optimization effect; and if the predicted emission exceeds the standard, performing emission abnormity traceability analysis by using a graph neural network, and outputting a fault diagnosis report. According to the method, the VOCs emission prediction precision and the treatment efficiency are effectively improved.

The invention provides a chemical storage tank gas leakage monitoring system and a gas leakage positioning method. A leakage diffusion model in a chemical storage tank area is constructed; extracting chemical gas diffusion characteristics at each monitoring position according to the leakage diffusion model, and performing inversion calculation on the chemical gas leakage concentration of the chemical storage tank area to obtain different pre-estimated leakage source positions and pre-estimated leakage source intensities in the chemical storage tank area; extracting infrared absorption characteristics of chemical gas at each high-risk leakage point at different moments from an infrared image sequence at different high-risk leakage points in the chemical storage tank area, and performing spatial constraint on each estimated leakage source position to obtain a spatial constraint value of each estimated leakage source position; and performing positioning evaluation on each estimated leakage source position to obtain the positioning confidence of each estimated leakage source position. By adopting the scheme of the invention, the success rate of leakage source positioning search can be improved under the scene of early weak leakage of the chemical gas.

The methods described herein provide improvements in composite infrared absorption imaging. The scanning approach described herein reduces erroneous measurements caused by thermal drift and optical interference that occurs between light scattering from the top surface of the sample and light scattering from the underlying substrate. Embodiments described herein relate to imaging and spectroscopy, and more particularly, to improvements in photo-thermal imaging and spectroscopy systems, and techniques for obtaining spectral information characterizing optical properties and / or materials or chemical compositions of a sample, such as information related to infrared (IR) absorption spectroscopy.

The invention relates to a PVB (polyvinyl butyral) composite film as well as a preparation method and application thereof. The PVB composite film is prepared from the following raw materials in parts by weight: 100 parts of PVB resin, 1-10 parts of nano praseodymium oxide, 1-10 parts of a dispersing agent, 0.01-1 part of a coupling agent and 20-50 parts of a plasticizer. The nano praseodymium oxide is added into the PVB resin, and the infrared absorption band of the PVB composite film is optimized by utilizing the infrared absorption performance, chemical stability and heat-resistant stability of the nano praseodymium oxide, so that infrared radiation can be efficiently blocked, and the excellent heat insulation effect and long-term use stability of the PVB composite film are realized. Furthermore, the nano praseodymium oxide is modified by a coupling agent, so that the dispersion uniformity of the nano praseodymium oxide in the PVB resin and the interface bonding force of the nano praseodymium oxide and the PVB resin are improved, the light transmittance loss of the PVB composite film is reduced, and the mechanical property and the heat insulation property of the composite film are improved.

The invention is suitable for the technical field of optical design parameter optimization, and provides a design parameter optimization method and system for a long-optical-path gas absorption cell, and the method comprises the following steps: carrying out the theoretical verification of the feasibility of the lens parameters of a spherical reflector based on a theoretical model of a light propagation matrix, and obtaining the design parameters of the spherical reflector; determining an initial lens parameter and a key design parameter range; an optical cavity model composed of two spherical reflectors is established, and automatic ray tracing simulation is carried out according to the initial lens parameters, the key design parameter range and a preset stepping value; the simulation data are verified, the number of light spots is determined, and the optimal key design parameter combination enabling the optical path to be maximized is screened out according to the number of the light spots. The method is mainly used for designing a long-optical-path gas absorption cell in infrared absorption spectrum trace gas sensor detection, has practical significance, realizes verification of optimal design parameters, reduces development difficulty and improves development efficiency.

Provided are: a gas barrier film that includes a vapor deposition layer (B) that includes at least one metal element selected from among zinc, magnesium, and calcium and a compound that has a carbonyl group on a plastic film; and a packaging body that includes the gas barrier film. The peak ratio (A1575 / A1687) of the absorption peak height A1687 at a wavenumber of 1687 cm-1 to the absorption peak height A1575 at a wavenumber of 1575 m-1 on an infrared absorption spectrum for the vapor deposition layer (B) is preferably 0.1–5.0.

The invention discloses an unmanned aerial vehicle-mounted in-situ water vapor measurement method and system based on an infrared absorption spectrum, and the method comprises the steps: S1, carrying out the calibration of a laboratory before flight, and building a concentration inversion model; s2, starting an in-situ infrared water vapor sensing module, cooperatively working in combination with a differential positioning module, a temperature and pressure sensor and an electronics module, and acquiring data along a cruise path of the unmanned aerial vehicle; and S3, carrying out real-time water vapor concentration inversion and data fusion. The method is different from the traditional detection means that air chamber atmosphere sampling, detection and exhaust processes are adopted, in-situ detection is directly carried out on the atmosphere in the target area, the measurement efficiency is greatly improved, meanwhile, the measurement deviation caused by air chamber residual gas introduction is avoided, and the engineering property of the system is enhanced.

The application provides an infrared absorption material based on doping regulation, a preparation method and an infrared detector. By introducing selenium atoms to replace tellurium atoms in a sodium gallium telluride material, the material is doped according to a doping ratio of 1:4 to 1:2 of atomic weight, the energy band structure and optical properties of the material are regulated, a new infrared absorption material is obtained, and the light absorption performance of the material in the infrared wave band is significantly improved. According to the component characteristics of the infrared absorption material, a specific preparation scheme is provided, the preparation is completed by grinding, secondary melting and annealing treatment of the set principle mass of sodium single substance, gallium single substance, tellurium single substance and selenium single substance, and the band gap and absorption intensity are accurately adjusted, and the symmetry and crystal stability of the material are also considered.

The utility model discloses a kind of optical multi-channel gas sensors based on NDIR principle, it is related to infrared gas sensor technical field;By infrared light source, air chamber, four-channel thermoelectric detector composition infrared absorption light system, light source voltage stabilizing modulation circuit, thermoelectric weak signal conditioning circuit, high-precision analog-digital conversion circuit, single-chip microcomputer control and communication circuit system composition, the utility model realizes compact structure, the function of the real-time measurement of multiple gas;Realize low-noise zero drift self-stable signal processing circuit, design low-power 24-bit sampling circuit, accurate real-time digital signal can be obtained without complex data processing algorithm, the utility model design has the characteristics such as wide range, high precision, good stability, long life, miniaturization, simultaneously replace sensor end can measure multiple types of gas, solve the problem that traditional infrared optical gas sensor is high in cost, bulky inconvenient to carry, detection result is time-consuming long precision is susceptible to environmental interference.

The utility model relates to gas detection technical field, the utility model provides a kind of LNG dual-fuel ship exhaust monitoring device, using ultraviolet differential absorption, non-dispersed infrared absorption and tunable semiconductor laser absorption spectroscopy etc. Optical detection principle realizes the synchronous detection of four kinds of gases SO2 (0~1500ppm), CO2 (0~30%), CH4 (0~1500ppm) and NO (0~1500ppm), error is controlled within ±2%FS, response time is not more than 30s. Realize LNG dual-fuel characteristic gas accurate detection simultaneously, with the advantages of high detection precision, fast response speed, simple operation, relatively low cost and strong gas cross-interference resistance ability under complex working conditions.

The invention discloses a manufacturing method of a resin lens capable of efficiently blocking infrared rays. The manufacturing method comprises the following steps: S1, preparing an attached base material anti-infrared resin lens; s2, dissolving an infrared absorbent; s3, plating a film layer on the outer side of the resin lens; the anti-infrared effect is adjusted by controlling the proportion of the infrared absorbent, and the cat eye phenomenon is avoided; as the base film and the secondary pouring material can be different materials, the defect that the secondary pouring material cannot be made into the anti-infrared lens as the infrared absorbent is not dissolved is overcome.

The invention relates to the technical field of sewage treatment, and discloses a system and a method for inhibiting nitrous oxide release in a sewage denitrification process, and the system comprises a water inlet unit, a denitrification reaction unit, a dissolved oxygen monitoring module, a central control unit, a gas collection unit and a performance evaluation module. The multi-point arrangement and encryption communication mode of the dissolved oxygen monitoring module improves the accuracy and safety of data acquisition, and the corrosion-resistant design of the gas collection unit and infrared absorption spectrometry detection ensure the reliability of gas analysis. The central control unit realizes the adaptive capability of the system through real-time monitoring and dynamic adjustment, and the performance evaluation module improves the long-term operation efficiency of the system through data analysis and optimization suggestion generation. According to the method, a dissolved oxygen dynamic balance regulation mechanism and a multi-parameter collaborative optimization strategy are introduced, and a real-time monitoring and feedback control technology is combined, so that the problem of generation of byproducts in the nitrification and denitrification process is solved, and the release amount of nitrous oxide is effectively reduced.

The present invention provides a resin material analysis method and a resin material analysis device, with which it is possible to nondestructively evaluate the degree of progress of hydrolysis for a resin material that contains a polymer having hydrolyzability.　Provided is a resin material analysis method in which a resin material that contains a polymer having hydrolyzability is subjected to: a reference measurement step for performing near-infrared spectroscopic measurement on a plurality of reference samples that are composed of the resin materials having different degrees of progress of hydrolysis so as to obtain a plurality of reference spectra; an objective measurement step for performing near-infrared spectroscopic measurement on an objective sample that is composed of the resin material having an unknown degree of progress of hydrolysis so as to obtain an objective spectrum; and an estimation step for estimating the degree of progress of hydrolysis in the objective sample by comparing the objective spectrum with the plurality of reference spectra in a wavelength range including contributions (A, B) of near-infrared absorption by a hydroxyl group.

The system can flexibly respond to changes in the required amount of raw material gas and supply the raw material gas accordingly, completely vaporize the supplied liquid raw material without clogging, and continuously supply the raw material gas at the required temperature. , a temperature detector for vaporizers that uses infrared radiation as a heat source To provide. [Solution] The temperature detector 70 is for a vaporizer 10 that uses infrared radiation as a heat source. The temperature detector 70 consists of a graphite infrared absorber 78 that absorbs infrared radiation and is heated, and a temperature detection element 71 embedded in the infrared absorber 78 that detects the temperature of the infrared absorber 78.

To provide automotive window glass that can improve infrared absorption performance without the need for an interlayer. [Solution] The automotive window glass according to the present invention comprises an outer glass plate, an inner glass plate, and an interlayer that bonded the outer glass plate and the inner glass plate and substantially has no infrared absorption properties, and has a thermal transmittance (Ttf) of 44.0% or less.

To improve sampling time while collecting microscopic data on the composition of a sample over a wide field of view.SOLUTION: The system includes an infrared radiation source 200 configured to illuminate a broad area of a sample with a beam of infrared radiation, a probe radiation source 222 configured to illuminate the broad area of the sample with a beam of probe radiation, a collector 212 configured to collect as collected probe radiation at least a portion of the probe radiation from each of a plurality of spatially resolved locations on the sample, and at least one camera 250 configured to detect as collected probe radiation at least a portion of the probe radiation from each of the plurality of spatially resolved locations on the sample and generate a signal indicative of infrared absorption corresponding to each of the plurality of spatially resolved locations.SELECTED DRAWING: Figure 2

A laminated material includes a first base material, and a sheet material laminated on and integrated with a surface of this first base material. The first base material is made of a material selected from the group consisting of a biomass material, a plastic, a metal, a ceramic, a glass, a molded pulp, and a paper. The sheet material is substantially made of a plant-derived component. The sheet material has an absorption peak in a region of 1715 to 1725 cm−1 in an infrared absorption spectrum. The sheet material can be produced by removing a liquid component from a lignocellulose solution produced by dissolving a plant raw material in an organic acid. A laminated material is produced by laminating the sheet material on a surface of the first base material, and thermocompression-bonding the sheet material and the first base material.

The embodiment of the invention provides high-conductivity copper paste rapidly sintered at a low temperature through infrared irradiation in an air atmosphere and a preparation method and application of the high-conductivity copper paste, and belongs to the technical field of conductive paste preparation. The preparation method comprises the steps that mixed copper powder with the surface coated with a treating agent is provided; mixing the mixed copper powder coated with the treating agent on the surface with a sintering aid, an infrared absorbent, resin, a curing agent and a solvent according to a preset proportion; and dispersing, grinding and filtering the mixture, and adjusting the viscosity to obtain the high-conductivity copper paste. According to the invention, the copper paste can be rapidly sintered at low temperature in the air atmosphere to obtain high conductivity the same as that of silver paste.

An optical device includes a tunable laser for repeatedly irradiating a sample with laser light as wavelength scans over a defined wavelength range, a trigger unit and a data acquisition unit. The laser outputs at least a first trigger signal and a second trigger signal. The first trigger signal outputs a temporal start and a temporal end of a wavelength scan, and the second trigger signal comprises a pattern of scanning pulses distributed over the tunable wavelength range at predefined wavelength intervals. The trigger unit has an adder which adds the trigger signals and a mixer which mixes the trigger signals with the reference signal to form the trigger output signal. A method for capturing infrared absorption spectra is also provided.

Apparatuses and methods for microscopic analysis of a sample by simultaneously characterizing infrared absorption characteristics of a plurality of spatially resolved locations are described herein. These apparatuses and methods improve sampling times while collecting microscopic data regarding composition of a sample across a wide field.

The present invention provides a composition which contains a compound represented by formula (1) or formula (2), a curable compound, and a solvent. In formula (1), M1 and X1 are bonded through a single bond or a divalent linking group, and in formula (2), M11 and X11 are bonded through a single bond or a divalent linking group. The present invention also provides a film, an optical filter, a solid-state imaging element, an image display device, an infrared sensor, and a camera module, in each of which the composition is used.

Optical devices include a visible light source, a visible light detector, and a multi-layer film article in the pathway between the visible light source and the visible light detector. The multi-layer film article includes an optical film layer and an optically clear adhesive layer. The optically clear adhesive layer includes a polymeric adhesive matrix, and at least one infrared light absorbing material that absorbs light in the range of 680-1100 nanometers. The infrared light absorbing material is an organic dye.

Provided are a polyolefin resin composition that can be used to produce a film that is non-slip when wound up, a method for producing the polyolefin resin composition, a film containing the polyolefin resin composition, and a packaging bag containing the film. The polyolefin resin composition according to the present invention contains 80% by mass or more of a polyolefin resin and satisfies the following (1): (1) The infrared absorption spectrum of the film (A) obtained by molding the polyolefin resin composition is -1 The absorbance at the peak top appearing near 2330 cm -1 The absorbance ratio at the peak tops appearing in the vicinity is 1.24 or higher.

This invention belongs to the field of pharmaceutical analysis technology and relates to a method for detecting the content of dimethicone and silica in simethicone oral sol-coating membranes. The simethicone oral sol-coating membrane is dissolved in dimethyl sulfoxide, followed by a first extraction with n-hexane, and then a second extraction with sodium dodecyl sulfate. The material from the second extraction is centrifuged, and the supernatant is dehydrated to obtain a test solution. The absorbance of the test solution is detected using infrared spectrophotometry to obtain an infrared absorption spectrum. Data on the Si-CH3 and Si-O absorption peaks are obtained from the infrared absorption spectrum. The content of dimethicone is calculated based on the Si-CH3 absorption peak data, and the content of silica is calculated based on the Si-CH3 and Si-O absorption peak data. This invention can simultaneously detect the content of dimethicone and silica in simethicone oral sol-coating membranes with high accuracy and good repeatability.

This invention relates to the fields of atmospheric physics and remote sensing, and particularly to a method and system for obtaining upward atmospheric transmittance in the infrared absorption band. The method includes: directly measuring solar spectral data from the ground; simultaneously measuring atmospheric composition profiles in the directions of the sun and satellite; calculating the downlink measured transmittance based on the measured data; calculating the downlink and uplink theoretical transmittance based on the profiles using a radiative transfer model; comparing the downlink measured and theoretical transmittance to verify errors; calculating a correction coefficient based on the uplink and downlink theoretical transmittance; and using this correction coefficient to correct the downlink measured transmittance to obtain the final uplink atmospheric transmittance. The system includes spectral measurement, profile measurement, and data processing units for implementing the above method. This invention combines the high precision of direct measurement with the physical extrapolation capability of theoretical models, solving the problem of obtaining high-precision uplink atmospheric transmittance and providing a reliable technical solution for satellite remote sensing calibration.

[Object]To provide a resin-coated aluminum can lid having resin adhesiveness, corrosion resistance, and a color tone in combination.[Solving Means]A resin-coated aluminum can lid includes an aluminum base material, a surface treatment layer formed on at least one side of the aluminum base material, and a resin layer formed on the surface treatment layer. The surface treatment layer contains aluminum hydroxide, and has a Pa / Pb value of 0.14 to 3.50 when, in an infrared absorption spectrum measured by an FT-IR, a height of an absorbance peak at wavenumbers of 850 to 1000 cm−1 is defined as Pa and a height of an absorbance peak at wavenumbers of 1000 to 1200 cm−1 is defined as Pb.

Sensor comprising a housing (10), a window (20, 20´) arranged in the housing (10) and configured to be transparent to infrared radiation, an IR radiation source (30) emitting infrared radiation (IR) from the housing (10) through the window (20, 20´) into the environment of the sensor, an IR sensor element (75) detecting infrared radiation, and a radiation conductor (60, 60´, 60´´) arranged between the window (20, 20´) and the sensor element (75), which supplies the sensor element (75) with radiation entering through the window (20, 20´) and / or reflected at the window (20, 20´´), characterized in that the radiation conductor (60, 60´, 60´´) is designed as a waveguide, the inner surface of which has a coating with a highly reflective material.

[Object]To provide a resin-coated aluminum seamless can having both resin adhesiveness and a color tone.[Solving Means]A resin-coated aluminum seamless can includes an aluminum base material, a surface treatment layer formed on at least one side of the aluminum base material, and a resin layer formed on the surface treatment layer. The surface treatment layer contains aluminum hydroxide, and has a Pa / Pb value of 0.13 to 3.00 when, in an infrared absorption spectrum measured by an FT-IR, a height of an absorbance peak at wavenumbers of 850 to 1000 cm−1 is defined as Pa and a height of an absorbance peak at wavenumbers of 1000 to 1200 cm−1 is defined as Pb.

This invention provides a macrocyclic compound and its applications, a precursor for a processing-free thermal image containing the macrocyclic compound, and a processing-free thermal image and its applications. The macrocyclic compound is a product obtained by amine esterification of resorcinol calixarenes (CR) and isocyanate acrylate (ICA). Because the macrocyclic compound contains calixarenes, its macrocyclic cavity can encapsulate infrared absorbers and thermal initiators. Furthermore, the macrocyclic compound contains highly polar amine-activated double bonds, exhibiting high thermosensitive crosslinking activity, and can undergo crosslinking reactions with other components in the imaging layer to form a three-dimensional crosslinked structure, thereby solving the surface migration problem of infrared absorbers and thermal initiators in the imaging layer. In addition, the macrocyclic compound contains highly polar telechelic amine-activated allyl groups, exhibiting high thermosensitive crosslinking activity and abrasion resistance, effectively improving the imaging performance of the processing-free thermal image.