230 results about "Irradiation time" patented technology

The invention provides an irradiation prediction method for irradiated goods, and the method comprises the steps: optimizing irradiation parameters according to an irradiation uniformity evaluation result, including adjusting irradiation time, irradiation intensity and an irradiation mode, and obtaining an optimal irradiation parameter combination through an iterative optimization method; according to the optimized irradiation parameters, an irradiation scheme including irradiation time, irradiation intensity and an irradiation mode is made, the irradiation scheme is input into an irradiation equipment control system, and the irradiation process is automatically executed; and carrying out sampling detection on the goods after actual irradiation, measuring irradiation doses at different positions in the goods, evaluating an actual irradiation effect, verifying the accuracy of a simulation model and optimization parameters, and correcting the simulation model and an optimization algorithm according to a verification result.

Disclosed are a radiotherapy system and a treatment plan generation method therefor. The radiotherapy system includes a beam irradiation device, a treatment planning module and a control module. The beam irradiation device generates a beam for treatment and irradiates same to a body to be irradiated to form an irradiated site, the treatment planning module generates a treatment plan on the basis of parameters of the beam for treatment and medical image data of the irradiated site, and the control module retrieves a treatment plan corresponding to said body from the treatment planning module and controls the beam irradiation device to sequentially irradiate said body according to at least two irradiation angles determined according to the treatment plan generation method and the irradiation time corresponding to each irradiation angle.

The invention discloses a personalized myopia prevention and control single-spectrum irradiation optimization system, and the key points of the technical scheme are that the system comprises the following steps: 1, collecting basic data: collecting the individual basic data of a user, and enabling the individual basic data to reflect the inherent features of the eyes of the user and the basic state of myopia; step 2, collecting real-time associated data: collecting the real-time associated data of the user, wherein the real-time associated data reflects the myopia progress dynamic state of the user and a daily eye use scene; step 3, initial single-spectrum irradiation parameter generation: initial single-spectrum irradiation parameters adapted to the user are generated based on individual basic data and real-time associated data, and the initial single-spectrum irradiation parameters comprise irradiation wavelength, irradiation intensity, single irradiation duration and irradiation time period; 4, collecting eye safety data: executing single-spectrum irradiation according to the initial single-spectrum irradiation parameters, and collecting the eye safety data of the user in real time; the prevention and control effectiveness can be improved, and the individual difference problem is solved.

The invention relates to the technical field of laser welding, and discloses an aero-engine assembly laser welding method and equipment, and the method comprises the steps that a to-be-welded area is detected, geometrical morphology data of the area is generated, and the geometrical morphology data comprises the size, curvature and surface state of the welding area; a preheating light beam is emitted, according to the geometrical morphology data, the focus diameter of the preheating light beam is adjusted, a preheating area is formed, the area to be welded is preheated, the power and irradiation time of the preheating light beam are controlled through real-time feedback, a welding light beam is started, a welding area is formed, and welding is conducted in the preheating area, and heat preservation light beams are synchronously emitted, a heat preservation area is formed around the welding area, and heat map information in the welding process is monitored in real time. According to the laser welding method and device for the aero-engine assembly, the temperature distribution of the welding area is uniform, the temperature gradient of materials is controlled in the welding process, large thermal stress is avoided, and the welding quality is improved.

The invention discloses an electric power intelligent monitoring system based on multi-device cooperative linkage and an operation and maintenance method, and belongs to the technical field of electric power intelligent monitoring and operation and maintenance. Radiation data and historical decay records are collected through a sensor, a linear regression algorithm is adopted to fit and establish an energy spectrum purity attenuation model, and the dose loss proportion is calculated in real time; carrying out dynamic compensation on beam intensity and irradiation time based on the proportion, fusing real-time dose monitoring data by utilizing a Kalman filtering algorithm, and optimizing a beam intensity value to suppress noise interference; the irradiation time is further adjusted according to whether the dose loss exceeds a threshold value or not, and a dynamic compensation combination is formed; the effectiveness of the combination in each stage of the source life cycle is verified through the simulation module, and the verified compensation parameters are updated to the control system in real time, so that closed-loop regulation and control are realized. According to the invention, the whole process of dose output in the irradiation process is accurately and stably controlled, and the consistency and reliability of the irradiation process are remarkably improved.

The invention relates to the field of medical resource scheduling, in particular to a multi-chamber particle therapy method, system and device, a storage medium and a computer storage medium, and the system comprises an irradiation source which is used for generating a particle beam; the plurality of particle treatment rooms are used for sending beam requests and receiving the particle beams; the beam transport device is used for transmitting the particle beam from the irradiation source to the particle treatment room; and the control device is used for receiving the beam requests of the particle treatment room, calculating the priority for each beam request according to the reserved irradiation time, the tumor type and the patient condition included in each beam request, and controlling the beam transport device to transport the particle beams according to the priorities. According to the method, the utilization efficiency of beam resources can be remarkably improved, the urgency degree and clinical importance of treatment are fully considered, and the demand intensity of different requests for the beam resources can be quantitatively reflected.

The invention provides a multi-satellite cooperative beam position distribution method, system and device, and an electronic device, which can solve the technical problem of low operation efficiency in a multi-satellite multi-beam position scene in the prior art. The method comprises the following steps: determining a coverage wave position set of a to-be-distributed satellite at a first moment; determining a to-be-transmitted service priority of each coverage wave position in the coverage wave position set; according to the priority of the service to be transmitted, based on a first preset condition, determining a first target satellite of each coverage wave position; the remaining irradiation time of the first target satellite is greater than or equal to a preset beam position distribution period; and according to the first target satellite and the coverage wave position, obtaining a wave position distribution result of each to-be-distributed satellite. And invalid calculation is reduced through priority screening of to-be-transmitted services. And screening the first target satellites of which the residual irradiation time is greater than or equal to the preset period, excluding satellites of which the time does not reach the standard, simplifying a matching link and ensuring continuity, thereby preventing multiple satellites from competing for resources, reducing interference and reducing energy loss.

The invention relates to the technical field of solid-liquid interfaces and liquid drop movement and control, in particular to a method and device for achieving left-right controllable spontaneous rotation of liquid drops based on light induction, and the method comprises the following steps that acid liquid drops containing photoacid are dropwise added to the surface of liquid metal; a light source system is adopted to irradiate liquid drops on one side of the liquid drops, the liquid drops are induced to locally release non-uniform H < + > ions, and interface chemistry is initiated to generate gradient change distribution; the light intensity generated by the light source system promotes the formation of asymmetric tension distribution on the liquid drop and liquid metal interface, and drives the liquid drop to rotate along a preset direction; and by changing the irradiation position, the liquid drops can be switched between left rotation and right rotation. According to the present invention, by using the mechanism of combining the interface Marangoni effect and the light-induced acidity regulation and control, the stable and rapid spinning behavior of the liquid drop can be represented by adjusting the position, the irradiation time and the irradiation intensity of the illumination region, and the rotation direction can be reversibly switched between the left rotation and the right rotation.

The invention belongs to the technical field of isotope production, and particularly relates to a 177Lu irradiation production method based on a pressurized water reactor. Comprising the following steps: step 1, packaging Lu2O3 powder in a target box, performing sealing treatment, and storing the target box in a storage tank of a rabbit system outside a reactor core; 2, during the operation period of the pressurized water reactor, transporting the target piece box into the reactor core through a running rabbit system; 3, the target piece box receives neutron irradiation at the axial middle position of the central instrument pipe, and 176Lu reacts to generate 177Lu; 4, when the 177Lu generated by the irradiation of the 176Lu in the target box reaches the designed saturation specific activity, transporting the target box to a post-irradiation target storage tank outside the reactor core; and 5, during the operation period of the pressurized water reactor, repeating the steps 2-4 until the reactor is shut down. The method has the beneficial effects that the single irradiation time of the target boxes can be controlled through analysis, so that a plurality of target boxes can be irradiated in a single refueling period of the pressurized water reactor, and the yield of 177 Lu is greatly improved.

To provide a marking reading device, a management system, and a marking reading method, capable of improving the reading rate of a marking indicated on a metal molding.SOLUTION: A reading unit 50 includes: a first illumination device 51a that irradiates a can bottom portion 6a with light; a reader that captures an image of a marking M in synchronization with the irradiation timing of the first illumination device 51a; a second illumination device 52a that irradiates the can bottom portion 6a with light from a direction different from that of the first illumination device 51a in a state where the surface of the can bottom portion 6a is viewed from a normal direction; and a reader that captures an image of the marking in synchronization with the irradiation timing of the second illumination device 52a.SELECTED DRAWING: Figure 5

A method comprises cleaning a surface of a reticle by irradiating the surface of the reticle in a first exposure device for a predetermined irradiation time. A layout pattern of the reticle is projected onto a photo resist layer of a wafer in a second exposure device by an EUV radiation. The photo resist layer is developed to generate a photo resist pattern on the wafer. A surface of the wafer is imaged to generate an image of the photo resist pattern on the wafer. The generated image of the photo resist pattern is analyzed to determine critical dimension uniformity (CDU) of the photo resist pattern. The predetermined irradiation time is adjusted until the determined CDU satisfies a predetermined criterion.

The invention belongs to the technical field of photoelectric devices, and relates to a method for widening the detection wave band of a two-dimensional TMDC heterojunction photoelectric device and the photoelectric device. The TMDC heterojunction is doped through heavy ion irradiation, so that the light absorption wave band of the TMDC heterojunction is expanded to a solar blind ultraviolet range. The method overcomes the defects that impurities are easy to introduce, the uniformity is poor, the position is uncontrollable and the like in the doping process of other methods, the advantages that ions provided by an accelerator are high in purity, controllable in energy, controllable in number, accurate and controllable in position and the like are utilized, the defect that different concentrations can be doped in different areas of a device according to needs by adjusting the incident energy, the position and the irradiation time of the ions, and the device is high in doping efficiency. The photoresponse of the device is regulated and controlled through defect engineering, and the detection band of the device is widened to the deep ultraviolet band.

The invention provides a multi-beam laser quenching method, and relates to the technical field of quenching, the multi-beam laser quenching method comprises the step of providing a plurality of laser beam sources during quenching, and more accurate heating and cooling control is realized through dynamic adjustment of the laser beam irradiation sequence, time and power by the multi-beam laser quenching method. According to real-time surface temperature data, the uniformity and depth adjustability of a hardened layer on the surface of the workpiece are ensured, the power, irradiation time and scanning path of the laser beam are adjusted according to the real-time surface temperature data, and uniform distribution of the surface temperature of the workpiece is realized, so that the thermal stress problem in the traditional technology is reduced, the heating effect is optimized, and the uniformity of the surface temperature of the workpiece is ensured; and the cooling rate is controlled, the compactness of a hardened layer is ensured, the wear resistance and fatigue resistance of the workpiece are enhanced, the quenching process is optimized, the surface quality of the workpiece is improved, higher innovativeness and adaptability are achieved, and the method is particularly suitable for surface hardening treatment of workpieces in complex shapes or made of special materials.

The invention provides a BNCT treatment plan generation method and device based on a barrier algorithm, a medium and a terminal. The method comprises the following steps: acquiring a plurality of irradiation fields; respectively calculating dose distribution per unit time of each irradiation field; taking the irradiation time combination of the plurality of irradiation fields as a generation target, and determining an evaluation index and a constraint condition of the generation target; obtaining the generation target of the minimum value of the evaluation index under the limitation of the constraint condition based on a barrier algorithm so as to obtain an optimal irradiation time combination of the plurality of irradiation fields; and determining the irradiation time of each irradiation field based on the optimal irradiation time combination so as to generate a BNCT treatment plan based on the irradiation time of all the irradiation fields and the corresponding unit time dose distribution. According to the method and the device, the BNCT treatment plan with relatively high dose uniformity can be generated, the damage to surrounding healthy tissues can be reduced while sufficient radiation dose is ensured to be received, and the safety of radiotherapy is effectively improved.

The application relates to a kind of axial flux motor stator impregnation rapid setting method, device and equipment, including the surface of stator end portion is divided into a plurality of solidification micro area according to the three-dimensional grid model data of stator end portion;Multi-objective optimization model is constructed, and the multi-objective optimization model is with the ultraviolet irradiation intensity, irradiation time and thermal catalytic temperature of each solidification micro area as decision variable, with surface curing time, resin temperature rise peak value and total energy consumption of irradiation as optimization goal, obtain pareto optimal solution set, each pareto optimal solution corresponds a group of the ultraviolet irradiation intensity, irradiation time and thermal catalytic temperature of multiple solidification micro area;From pareto optimal solution set, select the solution with the shortest surface curing time as target solution;According to the ultraviolet irradiation intensity, irradiation time and thermal catalytic temperature of multiple solidification micro area corresponding to target solution, control ultraviolet lamp array to carry out partition scanning irradiation to stator end portion, and control infrared heater to carry out partition heating to stator end portion.

Radiation treatment planning includes accessing values of parameters such as a number of beams to be directed into sub-volumes in a target, beam directions, and beam energies. Information that specifies limits for the radiation treatment plan are accessed. The limits include a limit on irradiation time for each sub-volume outside the target. Other limits can include a limit on irradiation time for each sub-volume in the target, a limit on dose rate for each sub volume in the target, and a limit on dose rate for each sub-volume outside the target. The values of the parameters are adjusted until the irradiation time for each sub-volume outside the target satisfies the maximum limit on irradiation time.

The utility model discloses a multidimensional on-line photoreaction monitoring system, including sample pump, transparent pipeline, programmable LED array and mass spectrometer, wherein the front end of transparent pipeline is connected with sample pump, the rear end is connected with mass spectrometer, the middle is snakelike bending area, the uniform light field generated by programmable LED array irradiates the snakelike bending area. A reaction sample is injected into the transparent pipeline through the sample pump at a constant flow rate, is irradiated by a uniform light field in the snake-shaped bent area to carry out photoreaction, and then is input into the mass spectrometer to carry out on-line real-time multi-reaction monitoring (MRM). The light field generated by the programmable LED array is uniform and stable, the irradiation time t and the optical power density [hv] can be modulated, the problems that an internal standard substance is needed, signals are unstable, the adjustable range is small and the dead time is long in variable flow velocity online mass spectrum monitoring are solved, the data acquisition speed is increased, and an effective solution is provided for research of a photochemical kinetic mechanism.

The invention discloses a gluing and gradient low-temperature pressing process for paper-plastic packaging, which comprises the following steps: S1, pretreating a base material: inspecting a printed paper-plastic composite base material, placing in a constant-temperature and constant-humidity environment for 20-24 hours, and balancing the moisture content to 5-7%; the base material is placed on a production line of a bag making machine, and the easy-to-tear line is formed through a magnetic knife; s3, point coating type gluing is conducted, specifically, a concave-convex tooth-shaped gluing roller is adopted, the heat sealing face of the paper-plastic composite base material is coated with the POE / PLA composite hot melt adhesive, and the gluing amount is 2.2-2.6 g / m < 2 >; and S4, pre-crosslinking treatment is conducted, specifically, UV irradiation is conducted on the glued base material, the irradiation wavelength is 254 nm, the irradiation time is 0.1-0.2 s, and the surface of the glue layer is preliminarily cured. The paper-plastic packaging gluing and pressing process which is low in gluing amount and gradient in low-temperature pressing, has an antibacterial function and is matched with a thin paper base material is adopted, and the paper-plastic packaging gluing and pressing process has the advantages of being low in glue overflowing rate, high in product percent of pass, capable of improving sanitation performance, stable in bonding performance and better in environmental protection performance.

This invention discloses a low-energy laser pretreatment method for enhancing the paracrine function of mesenchymal stem cells. Specifically, the method includes irradiating human umbilical cord mesenchymal stem cells with an 808nm laser. The irradiation parameters are: output power density, irradiation time of 60-120 s per irradiation, continuous irradiation of cells for 3 days, and irradiation twice a day.

The invention discloses a fat melting method and system capable of keeping energy consistent and a storage medium. The fat melting method comprises the steps that relative motion data of a laser projection end and the body surface are collected in real time, and point cloud data of the body surface are collected; according to the relative motion data and the body surface point cloud data, constructing a dynamic three-dimensional surface model of the human body surface area; acquiring a first laser irradiation parameter at the first breathing moment; according to the dynamic three-dimensional surface model, a first parameter of a fat melting area at the first breathing moment is obtained; according to the dynamic three-dimensional surface model, a second parameter of a fat melting area at a second breathing moment is obtained, and the second breathing moment is larger than the first breathing moment; calculating a parameter difference value according to the first parameter and the second parameter; the power of the first laser irradiation parameter and the single irradiation duration are corrected based on the parameter difference value, and a second laser irradiation parameter is obtained; and irradiating the fat melting area by using the second laser irradiation parameter.

A distance measuring device includes: a light emitting unit for emitting light having a modulation frequency to an object; a light receiving unit for receiving light emitted from the light emitting unit and reflected by the object and returned; and a controller for measuring the length of time between the time of light emitted by the light emitting unit and the time of light received by the light receiving unit based on the radiation intensity of the light received by the light receiving unit, so as to obtain the distance to the object. The controller performs a first measurement, causing the light emitting unit to emit light of a first irradiation time and a second irradiation time longer than the first irradiation time at a first modulation frequency, thereby measuring the length of time before the light is received by the light receiving unit with a first plurality of times. The controller performs a second measurement, causing the light emitting unit to emit light of a third irradiation time at a second modulation frequency, thereby measuring the length of time before the light is received by the light receiving unit with a second plurality of times less than the first plurality of times. The third irradiation time is longer than the first irradiation time and shorter than the second irradiation time. It is possible to achieve reduction of aliasing and increase of dynamic range.

The invention provides an accelerated extrapolation evaluation method for the service life of an optical element. The accelerated extrapolation evaluation method comprises the steps that the number of irradiation times when the transmittance of the optical element is degraded to a preset threshold value under different stresses is counted; obtaining the characteristic life of the optical element under each stress based on the two-parameter Weber distribution function; fitting a composite acceleration model; establishing a thermal-mechanical coupling simulation model of the optical element; forming a dynamic data set based on a preset stress step acceleration experiment; and determining the predicted service life of the optical element under the normal stress through a self-adaptive stress compression extrapolation algorithm. According to the method, the composite acceleration model is constructed on the basis of combination of actual data statistical modeling and physical simulation, so that the adaptability and prediction accuracy of the model under complex and changeable working conditions are greatly improved, and the problem of misalignment under the complex working conditions can be solved; the self-adaptive stress compression extrapolation algorithm is combined, key degradation data are obtained in an extremely short time, the experiment process is remarkably compressed, and accurate data support is provided for life prediction iteration while resource consumption is reduced.

According to the low-temperature curing and packaging device and method for the oil-containing rock sample, a low-temperature environment is provided through the freezing assembly, ultraviolet rays emitted by the ultraviolet lamp are matched, and the sample is cured and packaged through the curing glue; a temperature sensor, an electromagnetic valve and a temperature regulator in the control assembly jointly regulate and control the temperature, and an optical power regulator and an irradiation duration regulator respectively regulate and control the irradiation intensity and the irradiation duration, so that proper temperature, irradiation intensity and irradiation duration are provided for low-temperature curing and packaging of the oil-containing rock sample; the problem that polymerization reaction cannot be initiated under heating or low temperature in the traditional curing process is solved, the original oil-containing occurrence state of the rock sample is kept, and the requirement for low-temperature curing packaging of the oil-containing rock sample is met.

The application provides a kind of urban self-purification enhancement method based on polyenergy laser in-situ modification building outer wall catalytic coating, the urban self-purification enhancement method includes: using polyenergy laser to in-situ scanning on the photocatalytic coating on building outer wall, induce the local high temperature field with temperature greater than 900 DEG C to form on the surface of the photocatalytic coating, make the lattice reconstitution of catalytic material in photocatalytic coating.The urban self-purification enhancement method, by using polyenergy laser in-situ scanning, control the temperature of local high temperature field formed, laser scanning speed and single point irradiation time, in the case of not damaging substrate, the regeneration of aging photocatalytic coating on building outer wall is realized;In addition, the urban self-purification enhancement method also has the advantages of low cost, wide application range and on-site operation, and has broad application prospect.

To provide a device and a method for preventing, improving, or preventing a worsening of depression by irradiating light having specific wavelengths, such as violet light, as well as a method for operating the device. The problem is solved by a device and a method used for the purpose of preventing, improving, or preventing a worsening of depression by irradiating a subject with violet light having a wavelength within a range of 360 to 400 nm. An operating method of a device is a method for operating a device including irradiation means for irradiating a subject with violet light having a wavelength within a range of 360 to 400 nm and used for the purpose of preventing, improving, or preventing a worsening of depression. The operating method comprises operating the irradiation means of the device by changing, by transmission and reception with an isolation controller such as a mobile terminal, one or more irradiation conditions selected from an irradiation state (including continuous light or blinking frequency), an irradiance, an irradiation time, an irradiation start time, and an irradiation end time.

[Problem to be solved] An object of the present invention is to provide a Raman spectroscopy analysis method that identifies the number of irradiation times of laser light at which a sample to be analyzed is damaged by the laser light during multiple Raman spectroscopy measurements and performs structural analysis of the sample to be analyzed using data on Raman scattering light obtained when the sample to be analyzed is in an undamaged state.[Solution] A Raman spectroscopy analysis method including: dispersing an obtained Raman scattering light; identifying an upper limit of the number of irradiation times at which the sample to be analyzed is not damaged from total scattering intensity in a specific wavenumber range, a ratio of the total scattering intensity in the specific wavenumber range for each time irradiation to the total scattering intensity in the specific wavenumber range for first time irradiation and a correlation coefficient; using Raman scattering light data up to the upper limit of the number of irradiation times.

The present invention relates to the field of medical equipment, and specifically to a physiotherapy device for post-oral surgery care. In view of the defect that the existing physiotherapy devices are not matched with the oral and maxillofacial region, an infrared physiotherapy device with an arc-shaped irradiation surface that matches the oral and maxillofacial region is provided. The adopted technical scheme is a physiotherapy device for post-oral surgery care, which has a bracket, an infrared lamp, an irradiation surface and an infrared lamp control device. The key point is that the irradiation surface is arc-shaped, and the infrared lamp control device controls the infrared lamp to turn on or off. The present invention sets the irradiation surface of the infrared physiotherapy device to an arc shape, which fits the curvature of the oral and maxillofacial region, and can irradiate various areas of the oral and maxillofacial region at the same time. There is no need to adjust the irradiation surface angle multiple times to irradiate multiple areas, thereby shortening the irradiation time and reducing the power consumption of the physiotherapy device.

A method comprises cleaning a surface of a reticle by irradiating the surface of the reticle in a first exposure device for a predetermined irradiation time. A layout pattern of the reticle is projected onto a photo resist layer of a wafer in a second exposure device by an EUV radiation. The photo resist layer is developed to generate a photo resist pattern on the wafer. A surface of the wafer is imaged to generate an image of the photo resist pattern on the wafer. The generated image of the photo resist pattern is analyzed to determine critical dimension uniformity (CDU) of the photo resist pattern. The predetermined irradiation time is adjusted until the determined CDU satisfies a predetermined criterion.

A laser light irradiation system (1) for irradiating a calculus (S) present in the body with laser light to fragment the calculus (S) in a liquid comprises: a laser fiber (3) having a fiber emission end (3a) from which the laser light is emitted; and at least one processor that controls the frequency of the laser light emitted from the fiber emission end (3a). The processor switches the frequency of the laser light between a first pulse group having a high frequency and a power output for fragmenting the calculus (S), and a second pulse group having a frequency lower than that of the first pulse group and a waveform in which the peak power gradually increases in the direction of the axis for irradiation time, and causes the second pulse group to be emitted at least either before or after the timing at which the first pulse group is emitted.