142 results about "Irradiation time" patented technology

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 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 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 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.

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.

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 application discloses a variable parameter laser ablation effect fast prediction method based on a finite element model and a neural network model, and solves the problems of limited application scenarios, limited application material ranges and insufficient real-time performance in the prior art. The application obtains simulation data (i.e. a second data set) through a laser ablation effect finite element model, trains and tests a neural network model through the simulation data, obtains an optimal neural network model, and then obtains corresponding data of a material to be measured according to actual working conditions, sets a calculation time step and a laser irradiation time, combines the optimal neural network model, and realizes real-time prediction of the laser ablation effect, so that the calculation precision is high, the time consumption is short, and the method is suitable for fast prediction of the laser ablation effect in a strong dynamic scene.

The utility model relates to the technical field of OCA optical cement curing, in particular to an OCA optical cement curing irradiation box which comprises a working table, a rotating disc is arranged on the upper end face of the working table in a rotating mode, a plurality of containing boxes are arranged on the upper end face of the rotating disc, a supporting frame is arranged on one side of the rotating disc, and an irradiation box body is arranged on the lower end face of the supporting frame. According to the OCA optical cement curing irradiation box, the driving assembly is arranged, the driving assembly is used for driving the rotating disc to rotate intermittently, the arrangement of the driving assembly can drive the placing boxes on the rotating disc to rotate intermittently, and therefore the irradiation time of irradiated objects on the inner sides of the placing boxes can be prolonged; therefore, the firmness of connection between the OCA optical cement on the irradiated object and the irradiated object is improved, time can be reserved for feeding and discharging of the irradiated object in the placing box, and feeding and discharging of the irradiated object on the inner side of the placing box are more stable.

This invention relates to the field of radiation sterilization technology and discloses an irradiation sterilization device for cosmetics, comprising: support legs and a transmission belt frame mounted on top of them. A rotating shaft is disposed inside the transmission belt frame, and a conveying platform is disposed outside the rotating shaft. An electron beam chamber is disposed outside the transmission belt frame, and a support platform is fixedly mounted on the top of the electron beam chamber. Vertical poles are symmetrically fixed on the top of the support platform, and a retaining pin is disposed on the lower surface of the top of each vertical pole. This invention uses a follow-up shielding part to automatically conform to the top of the cosmetics and block scattered radiation, thus preventing excessive radiation burns to the cosmetics while eliminating irradiation dead zones, resulting in more uniform and thorough sterilization. A linkage part directly links the height of the cosmetics with the conveying speed, adapting to cosmetics of different heights and pre-matching a reasonable irradiation time. A temperature control and speed adjustment part automatically fine-tunes the conveying speed based on temperature feedback, ensuring that the irradiation dose remains stable within the acceptable range.

A virus inactivation method is provided. The method includes irradiating a solution containing an artificially expressed antibody or antibody fragment with ultraviolet rays in the presence of a radical scavenger. The irradiating only aggregates 5% or less of the antibody or antibody fragment. A wavelength of the ultraviolet rays is 200 nm or longer and 315 nm or shorter. An irradiation amount of the ultraviolet rays is 300 mJ / cm2 or more. An irradiation time of the ultraviolet rays is 3 minutes or less. A concentration of the radical scavenger in the solution is 0.03 mM or more.

The application discloses a metal fuel irradiation test physical thermal analysis method, device, equipment and medium, relates to the field of nuclear reactor physics and thermal engineering, and comprises the following steps: determining the burnup depth information of the metal fuel according to the measured thermal power, inputting the burnup depth information into a pre-configured structure swelling model for analysis, obtaining the volume swelling rate of the metal fuel in the axial direction and the radial direction, updating the structure size of the metal fuel according to the volume swelling rate, and updating the thermal conductivity of the metal fuel according to the updated structure size; according to the burnup depth information, the updated structure size of the metal fuel and the burnup distribution situation calculated by the burnup management calculation model based on the determinism method, the burnup distribution curve of the metal fuel at the corresponding irradiation time is refitted, the heat release calculation is carried out according to the burnup distribution curve, and the heat release distribution information of the metal fuel is obtained; the heat release distribution information of the metal fuel, the updated structure size and the thermal conductivity of the metal fuel are input into a sub-channel analysis model for thermal analysis, and the key thermal parameters of the metal fuel are obtained.

A laser irradiation system (1) for crushing a stone (S) in a liquid by irradiating the stone (S) in the body with a laser light, the laser irradiation system (1) comprising: a laser fiber (3) having a fiber emission end (3a) for emitting the laser light; and at least one processor for controlling the frequency of the laser light emitted from the optical fiber emission end (3a), the processor switching the frequency of the laser light between a first pulse train, which is a high-frequency pulse train having an output power for crushing the stone (S), and a second pulse train, which is a high-frequency pulse train having an output power for crushing the stone (S). The second pulse train is a waveform pulse train having a lower frequency than the first pulse train and having a peak power gradually increasing in the axial direction of the irradiation time, and the second pulse train is emitted at least either before or after the timing at which the first pulse train is emitted.

The utility model discloses a water tank and water purification equipment, the water tank comprises a stirring device, the stirring device comprises: an impeller rotatably installed in a containing cavity of a tank body; the first magnetic part is located in the containing cavity and connected to the impeller; the second magnetic part is located outside the box body, and the second magnetic part is rotatably installed on the box body and corresponds to the first magnetic part; and the driving mechanism is connected to the second magnetic piece and used for driving the second magnetic piece to move, so that the first magnetic piece drives the impeller to rotate. According to the water tank, the stirring device is arranged in the tank body, so that water in the water tank moves, stagnant water is prevented, the overall sterilization and bacteriostasis efficiency of the water tank is improved, the irradiation time of a sterilization lamp can be effectively shortened on the premise that the sterilization and bacteriostasis effects are guaranteed, energy can be saved, and aging of the water tank body can be slowed down. The magnetic force of the second magnetic piece arranged outside the box body acts on the first magnetic piece in the box body, so that the first magnetic piece drives the impeller to rotate, and tapping and sealing on the box body are not needed.

The present application relates to the technical field of radiotherapy protection material testing, in particular to an evaluation method and system for isolation protection hydrogel, the system comprises an X-ray device, an aluminum ladder, a test disc and a sample manufacturing device, the sample manufacturing device comprises a workbench, a lifting mechanism, a horizontal moving mechanism, a uniform smearing assembly, an injection assembly, a rotating mechanism and a control module. The evaluation method comprises the following steps: automatic sample preparation, sample shaping, placing aluminum ladder control sample, simulating clinical radiotherapy irradiation, X-ray detection and evaluation. The automatic equipment is used to realize the standardization of hydrogel sample preparation, the 4Gy single radiotherapy dose and 10-minute irradiation time are set to accurately simulate the clinical radiotherapy conditions, the aluminum ladder control and X-ray gray value detection are combined to quantitatively evaluate the radiation shielding effect and performance attenuation of the hydrogel. The present application realizes the automation of the sample preparation process, the test is consistent with the clinical practice, the evaluation result is accurate and objective, and reliable data support is provided for the research and development and clinical application of the isolation protection hydrogel.

Provided is a mechanism for enabling a radiation generation apparatus to accurately perform control processing to stop irradiation of radiation. The mechanism includes a dose calculation unit that calculates a cumulative dose of radiation detected by a sensor unit from start of imaging, a timer unit that measures an irradiation time for radiation from a predetermined timing, a threshold decision unit that sets an irradiation stop threshold based on the irradiation time, a control unit including a threshold determination unit that transmits an irradiation stop signal to stop irradiation of radiation to the radiation generation apparatus when the cumulative dose reaches the irradiation stop threshold, and a sensor unit that detects radiation from the radiation generation apparatus. When the dose calculation unit calculates the cumulative dose having reached a predetermined amount from start of imaging, the threshold determination unit causes the timer unit to start measurement of the irradiation time.

This specification discloses a method for adjusting laser power during remote foreign object removal from power transmission lines. The method includes: acquiring real-time images of the laser operation area and forming a continuous video stream; identifying and classifying multiple objects within the area covered by the real-time images; for each identified object, associating a maximum tolerable laser power based on its material properties, wherein the maximum tolerable laser power is determined based on the material damage energy threshold, the laser irradiation time on the object, and the laser spot area; determining a collimator neighborhood region centered on the current laser emission point, and analyzing the power tolerance of different objects within this region based on the associated maximum tolerable laser power; calculating the maximum permissible safe output power at the current moment based on the laser's current motion direction, tracking speed, and the local safe power distribution; and dynamically adjusting the laser's output power in real time based on the maximum safe output power.

The steel sheet processing apparatus includes a laser irradiation unit configured to form a groove on a surface of a steel sheet, an illumination unit configured to irradiate the groove with pulsed light, an imaging unit configured to image the groove irradiated with the pulsed light with an exposure time longer than an irradiation time of the pulsed light to generate a captured image, a determination unit configured to make a determination based on the captured image, and a processing control unit configured to control an operation of the laser irradiation unit. The determination unit determines whether the groove satisfies a first standard on the basis of the captured image. In a case where the determination unit determines that the groove does not satisfy the first standard, the processing control unit controls the laser irradiation unit so that the groove formed by the laser irradiation unit satisfies the first standard.

A device capable of suppressing changes in the influence of the Coulomb effect during a shot in multi-beam writing is provided. [Configuration] A drawing device 100 according to one embodiment of the present invention is characterized by comprising a multi-photoelectron source 10 that emits a multi-photoelectron beam, a photoelectron source control circuit 131 that controls the multi-photoelectron source so that, for each shot of the multi-photoelectron beam, all photoelectron beams that become ON beams among the multi-photoelectron beams in that shot have a common irradiation time and the individual beam current of each photoelectron beam is maintained constant during the shot, and a drawing mechanism 150 that draws a pattern on a sample using the multi-photoelectron beam whose individual beam current is maintained constant during the shot.

This invention provides a photosensitive polyurethane film with a surface grating, its preparation method, and its applications. The photosensitive polyurethane film with a surface grating exhibits well-defined and controllable photoresponse characteristics. Its core mechanism lies in the photosensitive monomer responding to light stimulation of a specific wavelength through a dimerization reaction: under ultraviolet light irradiation, the photosensitive monomer in the film undergoes a [2+2] cycloaddition to generate a four-membered cyclobutane dimer. This response mechanism is clear, the triggering path is independent, and the response efficiency is high. It effectively overcomes the limitations of existing coumarin derivatives, which can only achieve self-healing technology. By controlling parameters such as irradiation time and number of irradiations, multi-dimensional information storage can be achieved, significantly improving information storage capacity and stability. This effectively solves the urgent problem of high-capacity information storage in the current field of optical encryption materials, providing a feasible technical path for improving the performance and expanding the practical applications of optical encryption materials.

The application discloses an AOI detection equipment based on a PCB production line and a process thereof, and relates to the technical field of AOI detection equipment, and comprises a detection machine and a PCB board, and an executing mechanism support and an operation table are fixedly installed in the detection machine; the process further comprises the following steps: S1: a feeding and discharging conveying mechanism conveys the PCB board into the detection machine, and a placing frame receives the PCB board, at this time, a speed sensor is started and begins to collect an initial speed signal of a conveying belt. Advantages lie in that the equipment adopts three groups of differentiated light sources to adapt to plane defects, three-dimensional structures and special material areas, is matched with synchronous light filtering and light shielding design, reduces the missing detection rate of three-dimensional blind areas and the false detection rate of special materials, can further improve the precision through positioning compensation, and on the speed, the sensor adjusts the light source, the light filtering piece switching frequency and intelligently distributes the irradiation time length in real time, guarantees the constant unit length detection coverage, and provides a core guarantee for the stable operation of the AOI equipment in a complex production line environment.