2217 results about "Irradiation" patented technology

The invention relates to the technical field of SRAM (Static Random Access Memory) memory anti-radiation testing, and discloses an SRAM memory anti-radiation testing method and system based on running state injection, and the method comprises the following steps: system initialization, mapping preparation and time sequence baseline establishment; carrying out model quantitative compiling, sensitivity analysis and physical bit candidate generation; generating a running state injection plan and loading a test case; performing operation state execution, disturbance injection and synchronous monitoring acquisition; multi-source triggering, weight read-back and fault decoupling judgment are carried out; and performing quantitative evaluation on anti-radiation performance, constructing a degradation curve and outputting a report. The system corresponds to the method. According to the invention, a hardware-in-the-loop operation state injection and online evaluation technology is constructed, and the technical problems of guidance and position limited disturbance / equivalent irradiation injection based on weight bit level sensitivity and logic-physical mapping are solved.

The invention belongs to the field of plastic product production, and particularly relates to a composite material for preparing a textile dyeing tube. The composite material mainly comprises the following components in parts by weight: 10 parts of PET resin, 10 parts of ASA resin, 1-6 parts of matt master batches, 1-3 parts of titanium dioxide, 1-2 parts of rosin, 0-1.5 parts of an antioxidant, 0-1 part of a fire retardant and 1-2 parts of a lubricating agent, wherein titanium dioxide is rutile titanium dioxide. Compared with the prior art, the components are good in compatibility; the molded product has excellent physical and mechanical properties, low glossiness, high strength (caused by titanium dioxide) and good tenacity, and is suitable for injection molding of plastic products; the metallic luster caused by titanium dioxide can be reduced; the noise can be reduced; titanium dioxide can be used for disinfecting under irradiation of an ultraviolet lamp; the composite material is very convenient; and the lubricating agent is added, so that the surface is relatively smooth.

The invention discloses a high geological disaster chain risk quantitative assessment method adapted to a high-cold and high-altitude environment, and relates to the technical field of geological disaster monitoring and prevention and control, and the method comprises the following steps: S100, building an irradiation and reflection combined observation layer, collecting the dynamic intensity of direct light and reflected light, generating an exposure time sequence fingerprint baseline, and obtaining an exposure time sequence fingerprint baseline; and determining a critical threshold value of the direct light intensity according to the base line. The method comprises the following steps: constructing an irradiation and reflection combined observation layer to extract light intensity characteristics, and generating an exposure time sequence fingerprint baseline; a trigger point boundary is extracted by adopting coherent phase decomposition and anti-fact playback, and a continuous track is reconstructed; the overexposure risk is predicted based on the time-frequency score, and spectrum gating and polarization rotation are linked to regulate and control the exposure rhythm; and reverse phase traction and phase conjugate intervention are implemented in a steady-state window, so that boundary information is maintained and the risk identification precision is improved.

A nuclear reactor is discussed herein. In some examples, the nuclear reactor may comprise an inner-core region, including liquid fuel, coolant / moderator, and a hydrogen vapor space, an out-of-core region surrounding the inner-core region, the out-of-core region including, an inner reflector adjacent to the inner-core region, the inner reflector including a first irradiation facility, and an outer reflector adjacent to the inner reflector, the outer reflector including a second irradiation facility.

The invention discloses a method and a system for determining optimal parameters of an X-ray excited extra-high voltage composite apparatus, and relates to the technical field of extra-high voltage electrical equipment detection. The method comprises the following steps: remotely operating the X-ray machine and calculating partial discharge intensity; for the current irradiation position, the tube voltage and the tube current are gradually adjusted, parameters are dynamically optimized based on the quantitative relation between the partial discharge intensity and the radiation dose rate change rate, and the optimal parameters are recorded; and changing position repetition parameter optimization, and constructing a BP neural network model after data set training optimization so as to predict an optimal irradiation position. The optimized BP neural network adopts an improved sparrow search algorithm to optimize an initial weight and a threshold value, and combines Bayesian to optimize a learning rate and a hidden node number. Accurate optimization of excitation parameters and irradiation positions is achieved, detection accuracy and safety are both considered, the optimal irradiation position positioning efficiency is improved, and the method is suitable for ultra-high voltage GIS detection of different voltage grades.

A light emitting system includes at least one light emitting device configurable to emit light into an external environment, a controller configured to adjust a light flux output from the at least one light emitting device, and a non-transitory computer readable storage media comprising a plurality of parameters, the parameters including rules for prioritizing a first illumination mode or first irradiance mode over a second illumination mode or second irradiation mode that direct the at least one light emitting device to emit a first light flux into a first angular bin and a second light flux different from the first light flux into a second angular bin different from the first angular bin.

The invention discloses a pain treatment method based on infrared photothermal coupling, and belongs to the technical field of medical engineering. Comprising the following steps: acquiring physiological feature data, pathological feature data and optical feature data of a patient, and acquiring initial equipment parameters of the intelligent infrared photothermal treatment device; the method comprises the following steps: constructing an individualized photo-thermal response prediction model through Monte Carlo photon transmission simulation in combination with finite element heat conduction analysis, predicting a therapeutic effect score and an optimal parameter combination by using a deep neural network model based on a Transform architecture, generating an individualized temperature-time therapeutic curve, and determining initial illumination parameter configuration; controlling the intelligent infrared photothermal treatment device to start a treatment process according to the initial illumination parameter configuration; and according to the comprehensive biomarker score and in combination with a real-time analysis result of the neural network processing module, the output power, the pulse duty ratio and the irradiation mode of the infrared light source are automatically adjusted through the infrared light source control module.

The invention relates to the field of photovoltaic power generation, and particularly discloses a climate self-adaptive photovoltaic cooling method and system based on interface evaporation, and the system comprises a hydrophilic and hydrophobic composite radiation refrigeration film which is used for capturing atmospheric moisture through a radiation refrigeration effect under a low-radiation condition to form a cooling water source; the bionic water conveying structure comprises a modified silicone tube and a juncus roemerianus bundle and is used for conveying the captured water to the high-level water tank through capillary action; according to the invention, by fusing interface evaporation and radiation refrigeration technologies, the system realizes efficient cooling and energy recovery of the photovoltaic module; under the condition of strong irradiation, the gradient wettability interface evaporation layer takes away waste heat of the module through directional water film flow, so that the temperature of the photovoltaic module is reduced, the photoelectric conversion efficiency is improved, and meanwhile, the daily generating capacity is increased; the cooling effect is obviously better than that of a traditional natural convection or phase change material cooling mode, and efficient heat transfer is achieved through phase change latent heat utilization of interface evaporation.

The invention relates to the technical field of security and protection monitoring, in particular to a park building visual security and protection monitoring management system which comprises a plurality of monitoring devices and a plurality of display devices, laser emitters with freely adjustable irradiation angles are arranged below the monitoring devices, the park building visual security and protection monitoring management system further comprises a smoke recognition unit, independent analysis is carried out on each monitoring device, and the smoke recognition unit is connected with the monitoring devices. Monitoring images are collected regularly, a plurality of continuously collected images are compared and analyzed, and smoke generation, a smoke area and a smoke diffusion direction are identified; the smoke analysis unit is used for analyzing and calculating a smoke concentration index based on the brightness of the visible light path, analyzing a smoke thickness index based on the space coordinate of each end point of the visible light path, and calculating a smoke diffusion index based on the smoke concentration index and the smoke thickness index; and the area evacuation unit is provided with a plurality of escape channel maps in advance, and the display colors and the color depths of different areas in the escape channel maps are adjusted based on the smoke diffusion indexes.

The invention relates to the technical field of radiation monitoring, in particular to a radioactive foam height nuclear monitoring system and a use method. A radioactive foam height nuclear monitoring system comprises an ionization chamber detector; the collimation shielding module is provided with a containing space, the ionization chamber detector is contained in the containing space, the collimation shielding module is provided with a collimation hole, and particles generated by the self-radiation source can pass through the collimation hole. The invention provides a radioactive foam height nuclear monitoring system and a use method, and aims to solve the problem that a conventional radiation detector is difficult to bear an extremely high radiation environment and affects the detection precision.

The invention relates to the technical field of high-pressure precise physical experiments, in particular to an irradiation sample table. A to-be-tested sample is placed on the sample table, and the second gland and the first gland are detachably connected to the sample table in sequence, so that the holes in the first gland and the second gland correspond to the to-be-tested sample. The size of the hole is smaller than the diameter of the to-be-detected sample, so that the radiation area is smaller than the diameter of the to-be-detected sample; moreover, the second gland is a ceramic gland and has good insulation performance, so that the situation that plasma directly bombards a sample table to generate an edge effect during irradiation, and adverse effects on judgment and separation of real particle flow density distribution borne by the surface of the to-be-detected sample are generated can be avoided. When samples of different sizes need to be replaced, only the first gland and the second gland which are provided with the open holes matched with the samples in size need to be replaced, operation is easy and fast, cost is low, and the experiment continuity and efficiency cannot be affected.

The invention discloses a laser wireless energy transmission system based on a vertical tracking structure and double-stage global optimization and a control method, and belongs to the technical field of photoelectric energy conversion and intelligent control. Aiming at the technical bottlenecks of high reflection loss of a photovoltaic array and MPPT failure caused by multi-peak characteristics due to non-uniform irradiation in the existing laser wireless transmission system, the invention provides three innovations: (1) designing a two-degree-of-freedom vertical tracking type photovoltaic array, and adjusting the pitch angle and azimuth angle of a photovoltaic panel in real time through a servo motor driving holder; a silicon nitride anti-reflection coating (the refractive index is smaller than or equal to 1.8) and a laser positioning sensor are combined to construct an incident angle deviation dynamic compensation model, and the reflection loss rate is reduced to be lower than 5%; (2) putting forward a global MPPT dual-stage optimization algorithm, dividing a voltage interval based on irradiation non-uniformity in a coarse positioning stage and generating an optimal candidate solution, and adopting an improved particle swarm algorithm (introducing an inertia weight dynamic adjustment mechanism and a local extreme value escape strategy) in a fine search stage to realize that the global maximum power point tracking precision reaches 99.2% in a multi-peak scene; and (3) establishing a reflection loss-power coupling control model, and solving the problems of tracking delay and energy oscillation of a traditional system through angle adjustment of the photovoltaic panel and closed-loop feedback of MPPT (Maximum Power Point Tracking) output. Compared with the prior art, the comprehensive efficiency of the system is improved by 18.6% under the dynamic irradiation condition, and the system is suitable for space laser power supply and mobile equipment wireless charging scenes.

The invention relates to the technical field of dust concentration detection, in particular to an online detection method and system based on limited space dust concentration, and the method comprises the following steps: based on each detection area, analyzing scattered light signals, classifying the scattered light signals into different particle size categories according to angles and coordinates, and performing signal compensation in combination with real-time humidity; adjusting the irradiation direction of the LED array to optimize illumination distribution, comparing light intensity differences, dynamically scheduling uniform illumination areas, subdividing detection points, analyzing layering signals, and obtaining particle size layering concentration data. According to the invention, distribution mapping with distinct particle size category difference is realized by using a spatial multi-dimensional layered structure, signal adaptability is improved by fusing a humidity dynamic response mechanism, particle size, humidity and illumination multi-source data are dynamically fused, local environment interference is eliminated through layering and compensation linkage, and the accuracy of the system is improved. The continuity of data expression and the response speed of concentration monitoring are improved, and continuous dynamic tracking of the dust state in a limited space complex environment is supported.

The invention provides an electron irradiation dose on-line measurement and feedback calibration system and method, and relates to the technical field of automation control, and the system comprises a processing module which is used for converting an original dose signal into a five-path digital reading sequence, carrying out the timestamp alignment and space coordinate calibration of the five-path digital reading sequence, and outputting a calibration result; generating a three-dimensional discrete coordinate data set representing radiation field intensity space distribution; and the extraction module is used for identifying a radiation intensity global maximum value point from the three-dimensional discrete coordinate data set as a spatial registration origin, extracting two feature straight lines representing a radiation scattering dominant direction, and calculating a spatial orientation included angle between the two feature straight lines to determine a radiation scattering main influence area. According to the invention, precise processing of an original dose signal, scientific positioning of a radiation influence area and construction of a dynamic compensation model are realized through cooperation of multiple modules, a high-confidence dose value can be output, feedback calibration is completed based on a time sequence drift trend, and the precision and reliability of on-line measurement of the electron radiation dose are effectively guaranteed.

The invention relates to the technical field of cameras, and discloses a flame recognition method and device based on a camera, electronic equipment and a storage medium, and the method comprises the steps: detecting an environment illumination value corresponding to a first image collected in real time through the camera, and selecting a white light recognition mode or an infrared recognition mode according to the environment illumination value; when the white light recognition mode is selected, collecting a second image through the camera and extracting a flame color feature vector of the second image to calculate a first flame recognition result; when the infrared recognition mode is selected, a third image is collected through the camera, the flame heat radiation feature vector of the third image is extracted, and a second flame recognition result is calculated. According to the method, the color difference characteristic of a real flame and a non-flame light-emitting object under white light irradiation is utilized, the false alarm rate is effectively reduced, and the judgment reliability is improved.

An adjuster performs simultaneous irradiation of M laser beams to an atomic beam, where M is a predetermined integer satisfying 3≤M. The course of each of the M laser beams intersects with the course of the atomic beam. A component, in a direction perpendicular to the course of the atomic beam, of the sum of radiation pressure vectors that the M laser beams respectively have is zero. A component, in a direction of the course of the atomic beam, of the sum of the radiation pressure vectors that the M laser beams respectively have is negative for atoms having speeds greater than a predetermined speed, and positive for atoms having speeds smaller than the predetermined speed.

A self-cleaning method of a washing machine comprises the steps that after each washing procedure is finished, a system automatically detects the real-time humidity and the residual dirt concentration of an inner container of the washing machine, if the humidity is higher than a preset threshold value and the dirt concentration exceeds a datum line, an ultraviolet disinfection process is automatically triggered, UV-C lamp tubes installed on the top and the side wall of the inner container are started for irradiation sterilization, and the ultraviolet disinfection process is stopped; the duration time is 10-30 minutes, the built-in water flow nozzle module is activated in a set period or when a high dirt accumulation level is detected according to dynamic adjustment of the environment temperature and humidity and the use frequency, and the wall face of the inner container, the door seal ring and the drainage pipeline are flushed in all directions through high-pressure pulse water flow. According to the invention, the fundamental conversion from passive response to active prevention is realized, the equipment can perceive the environmental state of the inner container in real time by integrating a multi-dimensional sensor network and an AI prediction model, trend pre-judgment is carried out based on big data of user use habits, water quality conditions and washing modes, and a cleaning program is started when pollution does not appear so as to nip in the bud.

The invention discloses an irradiation-resistant split radar level meter, and belongs to the technical field of level measurement. The level meter comprises a transmitter and a measuring assembly, and the transmitter is located in a low-irradiation area and used for transmitting and receiving radar waves and outputting a level measuring result; the measuring assembly is located in a high-irradiation area and comprises a first waveguide straight pipe, a waveguide bent pipe and a second waveguide straight pipe which are sequentially connected, the other end of the first waveguide straight pipe is connected with a transmitter, the other end of the second waveguide straight pipe is connected with a horn, the second waveguide straight pipe is sleeved with an outer sleeve, the two ends of the outer sleeve are fixedly connected with the second waveguide straight pipe, and the waveguide bent pipe is connected with the horn. The flange fixes the outer sleeve and the second waveguide straight pipe on the penetration piece through bolts, and the horn is used for controlling the beam angle emitted by the radar waves and collecting the returned radar waves. The level meter can solve the problem that in the prior art, a radar level meter cannot resist irradiation or cannot accurately measure the level of an irregular surface.

A system and method for characterizing matter, for example, soil organic content is disclosed. A radiation and electric field sensor measure sample properties before, during and after irradiation. Calibrations are developed relating those measurements to useful properties of matter, for example, soil density and organic content. As an example of an embodiment of the disclosed invention an instrument attachment for portable X-ray fluorescence instrumentation was prototyped enabling concurrent volumetric soil organic matter quantification. This primary prototype outperformed more expensive emerging visible-near infrared multivariate instrumentation using parsimonious soil specific simple linear regression (R2 ranged 0.85-0.97) enabling rapid, parallel, nondestructive, cost-effective acquisition of soil elemental concentrations together with organic content data.

The invention provides a process method for improving the performance of a beta-Ga2O3 device through low-energy proton irradiation, and relates to the technical field of electronic components, and the method comprises the following steps: carrying out low-energy proton irradiation on the basis of irradiation experiment parameters at a preset environment temperature; low-energy proton irradiation with different fluence is carried out on the beta-Ga2O3 Schottky diode in a preset incidence mode to determine irradiation process data, and in combination with deep level transient spectroscopy (DLTS) analysis and device simulation, defect evolution and a hydrogen passivation mechanism caused in a beta-Ga2O3 epitaxial layer after low-energy proton incidence are revealed. According to the method, the cognitive limitation that traditional radiation must cause performance degradation of devices is broken through, and the field of low-energy proton irradiation which is not fully researched is focused.

A carbonation device for beverages includes a carbonation tank to receive a beverage to be carbonated and carbon dioxide so as to generate a carbonated beverage, carbonated with the carbon dioxide, and a dispensing device in fluid communication with the carbonation tank to dispense, through a duct, the carbonated beverage to a container for carbonated beverages, the carbonated beverage flowing along the duct in a flow direction.The carbonation device further includes a carbonation sensor associated with the duct and having a radiation source to generate a radiation which strikes the duct along an irradiation direction incident to the flow direction.The carbonation sensor also includes a first photodiode placed on the irradiation direction from a side opposite to the radiation source with respect to the duct, or as an alternative, a second photodiode placed along a diffusion direction substantially orthogonal to the irradiation direction.

A light emitting apparatus includes a substrate and light emitting elements including at least one light emitting element that is provided, on the substrate, in each region of plural regions and that emits irradiation light toward a target object, the regions including a first region and a second region and being isolated from each other to be arranged one-dimensionally or two-dimensionally. In the plural regions, an irradiation light amount of at least one light emitting element provided in the first region that is a region located at an end in an arrangement direction is larger than an irradiation light amount of at least one light emitting element provided in the second region that is a region located at a place other than the end in the arrangement direction.

The invention relates to an irradiation module for use in a device (1) for irradiation with medical and cosmetic radiation, comprising a plurality of LEDs arranged on a carrier. The invention also relates to a device for irradiating a user (10) with medical and cosmetic radiation, comprising a plurality of irradiation modules (40) for irradiation with medical and cosmetic radiation, which modules are accommodated in a housing part (20; 30). The invention further relates to a method for irradiating a user (10) with medical and cosmetic radiation, comprising a plurality of irradiation modules (40) for irradiation with medical and cosmetic radiation, which modules are selected from the group comprising fluorescent tubes, LEDs, organic LEDs, and high-pressure lamps. In order to provide an irradiation module and a device and a method with which improved irradiation results can be achieved according to the invention, a first group of first LEDs, which emits radiation within the UVA spectrum, and a second group of second LEDs, which emits radiation within the UVB spectrum, are arranged on the carrier.

An information processing device including a processor, wherein the processor is configured to: acquire an optical image obtained by optically imaging a subject; specify a position of a region of interest based on the optical image; and perform control of displaying a first marker indicating a center position of an irradiation field of radiation and a second marker indicating a position determined in advance for the specified region of interest, in a case in which the subject is radiographically imaged from a direction that is substantially the same as an imaging direction of the optical imaging, on a display in a form of being superimposed on the optical image.

Targetry coupled separation refers to enhancing the production of a predetermined radiation product through the selection of a target (including selection of the target material and the material's physical structure) and separation chemistry in order to optimize the recovery of the predetermined radiation product. This disclosure describes systems and methods for creating (through irradiation) and removing one or more desired radioisotopes from a target and further describes systems and methods that allow the same target to undergo multiple irradiations and separation operations without damage to the target. In contrast with the prior art that requires complete dissolution or destruction of a target before recovery of any irradiation products, the repeated reuse of the same physical target allowed by targetry coupled separation represents a significant increase in efficiency and decrease in cost over the prior art.

The invention provides a preparation method of nitrogen and phosphorus-doped carbon dots and application of the nitrogen and phosphorus-doped carbon dots in quercetin detection, the nitrogen and phosphorus-doped fluorescent carbon dots (N, P-CDs) are successfully constructed for the first time by adopting a hydrothermal synthesis method, and the carbon dots have emission peaks at 465 nm under the excitation wavelength of 325 nm and show green fluorescence under the irradiation of an ultraviolet lamp; quinine sulfate is used as a standard reference substance, and the quantum yield is 1301%; an N, P-CDs solution is used as a probe molecule, after quercetin is added, fluorescence quenching of N, P-CDs is induced, and the concentration of quercetin and the fluorescence intensity of N, P-CDs are linearly changed, so that the method can be used for quantitative detection of quercetin. The N, P-CDs preparation method provided by the invention is simple and rapid, the product property is stable and non-toxic, the detection sensitivity on the quercetin is high, and the N, P-CDs can be used for detecting the content of the quercetin in serum.

To provide a fine particle separation technique for separating fine particles highly efficiently and highly precisely.SOLUTION: A fine particle separation apparatus includes: a first channel for introducing a first fluid including a first particle and a second particle; a second channel for introducing a second fluid not including particles; a third channel for introducing the first fluid and the second fluid as a laminar flow by merging the first channel with the second channel; a laser light source for irradiating the third channel with laser light; a first output port provided on the downstream side of an irradiation position of the laser light to take out a third fluid including the first particle; and a second output port provided on the downstream side of the irradiation position to take out a fourth fluid including the second particle having a scattering cross-section area larger than the first particle.SELECTED DRAWING: Figure 5

A radioisotope target station, including a target housing. The target housing includes a target material, and a target backing material. The radioisotope target station includes a loader mechanism comprising at least one jaw configured to secure the target housing, a loading position comprising a magazine, wherein the magazine is configured to hold two or more target housings, an irradiation position comprising a beam, where the beam is configured to irradiate the target housing orthogonally, a cooling fluid source fluidly coupled to the loader mechanism, where the cooling fluid source is configured to cool the target housing as the target housing is irradiated, and an ejection position comprising an ejector and an ejection chute, where the ejector is configured to detach the target housing from the loader mechanism and the ejection chute is configured to receive the target housing when detached.

The invention relates to a photovoltaic array layout optimization method and device based on irradiation and shadow dynamic coupling, and the method comprises the steps: constructing a total irradiance model related to the inclination angle and azimuth angle of a photovoltaic module according to the direct solar radiation, scattered radiation and reflected radiation of the inclined surface of the photovoltaic module; calculating a shadow loss factor in combination with the critical unshielded spacing and the actual spacing of the front row and the rear row of the photovoltaic module array, and coupling the shadow loss factor to the total irradiance model to obtain an effective irradiance model; taking maximization of annual effective irradiance as an optimization objective, and constructing an optimization objective function based on an effective irradiance model; and by taking the inclination angle of the photovoltaic module, the azimuth angle of the photovoltaic module and the actual spacing as optimization variables, carrying out comprehensive balance optimization of dynamic irradiance income and shadow loss on the optimization objective function by adopting a fox-monkey optimization algorithm to obtain an optimal variable combination. According to the method, the core problems of large irradiation calculation error, shadow evaluation staticization and low optimization efficiency can be solved.

The invention discloses a full center dose verification method based on a no-wash film EBT3, and belongs to the technical field of radiation measurement, and the method specifically comprises the following steps: continuously collecting an irradiated radiation chromatography film, and synchronously obtaining gray data and a scanning device driving voltage sequence; establishing a response function model between the driving voltage and the gray response according to the driving voltage value at each acquisition moment and the mean value of the corresponding gray data; determining a target voltage in advance, determining a correction coefficient corresponding to each driving voltage value based on the target voltage and the response function model, correcting a preset dose-gray curve graph according to the correction coefficient, obtaining the gray data of the current film and the corresponding driving voltage, and correcting the gray value point by point by using the correction coefficient, and based on the corrected dose-gray curve, converting into a dose value, and finally generating a dose distribution diagram. According to the invention, through real-time monitoring and dynamic correction of scanning voltage fluctuation, the accuracy of dose measurement is significantly improved.