14 results about "Local irradiation" patented technology

A disc-type mouse local irradiation device relates to the field of mouse targeted irradiation experiment devices, is provided with a base, and is characterized in that a circular baffle plate is fixedly mounted on the base through a support frame, at least three irradiation notches which are through up and down are arranged on the circular baffle plate in a circular array, a support sleeve is arranged on the base on the periphery of the circular baffle plate, and the support sleeve is sleeved on the circular baffle plate. A circular upper cover plate is arranged on the supporting sleeve above the circular shielding plate, an adjusting sliding groove is formed in the position, opposite to the irradiation notch, of the upper side of the upper cover plate, a window adjusting plate is arranged in the adjusting sliding groove, a positioning bolt is arranged on the window adjusting plate, and an anesthetic gas inlet and an anesthetic gas outlet are formed in the supporting sleeve. The device has the advantages of simplicity and convenience in operation, the same distance between a plurality of mice and a radiation source, small irradiation dose error, good mouse anesthesia effect and the like.

The invention relates to the technical field of radioactive injury effect research, in particular to a radioactive eye injury model establishment method which comprises the following specific steps: S1, setting a plurality of experimental groups; the experimental group at least comprises a model group receiving different doses of ionizing radiation irradiation and a control group not receiving effective dose of radiation irradiation; s2, selecting an experimental animal, shaving and cleaning the target eye area of the animal needing to be irradiated, and anesthetizing the animal; s3, generating ionizing radiation of a preset type and energy by using a radioactive source, and performing local irradiation on the animal eye target area according to the preset total irradiation dose of each model group; s4, after irradiation is completed, the animals are nursed; the reaction of the animal after irradiation is observed, and scoring is carried out. The effectiveness of the established radioactive eye injury model can simulate typical expressions of eye injury under radiation irradiation of different doses, and a reliable animal model is provided for follow-up research of the generation mechanism of radioactive eye injury and evaluation of prevention and treatment measures.

The invention provides a construction device and a construction method of a radioactive intestinal injury animal model, which are characterized in that a backscattering layer is placed below a mouse body, a dose construction layer covers the mouse body, and the radioactive intestinal injury animal model is established by irradiation of a linear accelerator. The method mainly solves the problem that the high-energy X-ray dose build-up area effect affects non-uniform local irradiation dose distribution of the abdominal cavity of the mouse, a standard irradiation scheme is established by comprehensively considering the high-energy X-ray dose build-up area effect and the backscattering effect, the dose distribution of the abdominal cavity of the mouse irradiated by the scheme is more uniform, and the irradiation efficiency is improved. The induced intestinal injury shows recoverable acute injury and chronic intestinal injury characteristics, and can be used for screening and testing medicines for relieving the intestinal injury caused by radiotherapy.

The application discloses a kind of ultra-high space-time resolution detection imaging method and system, it is related to optical technology field, including the following steps: to multi-wavelength short pulse laser photon space-time dynamic modulation, make single pulse local irradiation field photon number in single photon / few photon state;The patterned photon distribution microshrink after photon space-time dynamic modulation is carried out on the sample containing fluorescent molecule under few photon irradiation two / multi-photon excitation, collects two / multi-photon fluorescence;Through high space-time resolution detection means, obtain the spectral information, life information and spatial position information of two / multi-photon fluorescence, reconstruct the fluorescence information in field of view, complete the entire field of view ultra-resolution imaging and positioning.The application can realize large field of view, high frame frequency, ultra-resolution fluorescence detection imaging, for solving the major scientific problem of "optical diffraction limit", realize ultra-resolution fluorescence microscopy technology innovation provides opportunity.

The invention belongs to the technical field of UV curing, and particularly relates to a UV curing lamp structure which comprises a lamp holder, a lamp panel, a light-transmitting plate and a reflective mirror. A mounting cavity is formed in the bottom of the lamp holder, and the multiple sets of lamp panels are arranged in the mounting cavity and connected with a power source independently or in parallel. The light-transmitting plate is arranged at the bottom of the mounting cavity and seals the mounting cavity, and a lamplight cavity is formed between the light-transmitting plate and the lamp panel; the reflective mirror is arranged at one end of the lamplight cavity and connected with an adjusting mechanism, and the adjusting mechanism is used for adjusting the included angle between the reflective mirror and the lamp panel. Therefore, the UV curing lamp can realize local irradiation of a product, and can be adjusted through the reflective mirror according to different light intensities of the UV lamp, so that UV curing irradiation of different positions and different requirements of the product is met.

The utility model relates to curtain wall detection technical field, concretely is a curtain wall environment simulation test box. The test box is through the arc guider that sets up in the box body and the sliding seat and adjusts xenon lamp irradiation angle, the fixed frame surface and the lateral portion are equipped with the lifting plate that can vertically lift and the translation plate that can horizontally move, the both staggered arrangement controls the xenon lamp light illumination coverage range through independent drive, realizes local irradiation simulation. The box body side wall is equipped with the water inlet pipe with ordinary shower nozzle and atomizing shower nozzle, and the top ventilation pipe is configured with a fan and a heating pipe, which cooperates to simulate wind, rain, temperature and humidity environment. The drain pipe is used for draining water. The scheme solves the problem of local light simulation missing, improves the environmental factor coordination, and enhances the test authenticity.

The present application relates to the field of biology and medicine, and discloses application of tranilast in prevention and / or treatment of radiation-induced intestinal injury. The inventors of the present application find that tranilast protects against radiation-induced intestinal injury induced by local irradiation of ionizing radiation, including improving the survival rate of mice, improving histopathological injury, promoting regeneration of intestinal crypt cells, and reducing the level of serum inflammatory factors, and thus can be used as a potential drug for preventing and / or treating radiation-induced intestinal injury.

The invention discloses cobalt-60 irradiation efficient sterilization equipment, and belongs to the field of irradiation sterilization, the cobalt-60 irradiation efficient sterilization equipment comprises a box body and a box door arranged on one side of the box body, cobalt-60 irradiation devices are fixedly installed on the inner top wall and the inner side wall of the box body, a motor is fixedly connected to the bottom of the box body through a supporting frame, a reciprocating screw rod is fixedly installed at the output end of the motor, and a motor is fixedly installed on the reciprocating screw rod. A fixing cylinder is fixedly installed on the inner bottom wall of the box body, a lifting rod is slidably arranged in the fixing cylinder through a sliding assembly, and the end, away from the motor, of the reciprocating lead screw penetrates into the lifting rod. The cobalt-60 irradiation devices are arranged on the top wall and the side wall in the box body, cobalt-60 gamma rays irradiate to-be-irradiated objects on the placing plate, all parts of the objects on the placing plate can uniformly receive ray irradiation in cooperation with lifting and rotating movement of the placing plate, the problem that the local irradiation dose is insufficient or too high is effectively solved, and the irradiation efficiency is improved. The sterilization efficiency and the sterilization effect are greatly improved.

The invention relates to a method for manufacturing a motor vehicle body part (2), characterized in that it comprises the following steps: - deposition of at least one opaque coating on at least a portion of a face (6) of a main body (3) of the body part (2), the main body (3) being made of transparent or translucent plastic, and - creation of a series of micro-perforations (8, 10) in the opaque coating by removing the opaque coating using a laser beam locally irradiating the opaque coating, an irradiation path (12, 16, 22) of the laser beam consisting solely of successive substantially straight path lines (12', 16', 22'). Figure 2

The invention discloses a method for observing local death of cyanobacteria cells by using a UV device, and relates to the technical field of cell research, and the method comprises the following steps: culturing cyanobacteria cells to a logarithmic phase to obtain a cyanobacteria sample; preparing an observation device; dropwise adding a cyanobacteria sample to the surface of the solidified culture medium, and air-drying and fixing; locally irradiating a sample area below the opening through a UV light source; sealing the sample through a cover glass and a second silicone rubber film sheet, and transferring the marking line to the cover glass; and observing the death process of cyanobacteria cells. Local precise UV stress of cyanobacteria protonema is realized by customizing a shading plate with a local opening, in-situ long-time stable observation is guaranteed by matching agar fixation and a sealed chamber design, and a continuous fluorescence microscopic imaging technology is combined; and the accurate visual tracking of the death time sequence, spatial distribution and death signal transmission process of different cells on the single protonema is realized.

This invention relates to the field of power regulation technology and discloses a far-infrared power regulation method and system based on biological characteristic data. The method involves: collecting surface temperatures of the target area in four directions (front, back, left, and right) and calculating the average surface temperature, maximum directional deviation, and heat concentration direction; calculating the far-infrared power regulation coefficient and generating a far-infrared local irradiation driving signal; when the heat concentration direction is the front or back direction, positively superimposing the electric field phase deflection onto the driving phase of the left and right electrode pairs; when the heat concentration direction is the left or right direction, negatively superimposing the electric field phase deflection onto the driving phase of the left and right electrode pairs, causing the combined effect direction of the cross-fields in the four directions to deviate from the heat concentration direction. Compared to existing single power regulation strategies, this invention has stronger spatial homogenization control capabilities for surface temperature and a more comprehensive active safety mechanism in complex control scenarios.

The invention provides a radioactive separation resin life prediction method and system based on machine learning, and relates to the technical field of radioactive waste liquid treatment.The method comprises the steps that real-time online monitoring data of radioactive separation resin in the operation process is obtained, the real-time on-line monitoring data comprises local adsorption capacity, local temperature and local irradiation dose acquired from three point locations, namely an upper point location, a middle point location and a lower point location, which are axially distributed on the resin column; on the basis of real-time online monitoring data, calculating to obtain a microstructure degradation quantitative index of the resin under the current working condition through the constructed microstructure degradation agent model; and performing feature fusion on the real-time online monitoring data and the microstructure degradation quantitative indexes to construct a fusion feature set. According to the invention, continuous, stable and safe operation of the radioactive waste liquid treatment and nuclide separation system is ensured.

The invention relates to the technical field of jaundice phototherapy, in particular to a portable neonatal jaundice phototherapy and body position adjustment integrated device which comprises a base and a placement box, and a phototherapy mechanism is arranged on the base; the phototherapy mechanism comprises a frame, the back wall of the frame is slidably connected with a closing plate, the frame is slidably connected with a plurality of moving frames, the moving frames are made of rubber and have shape plasticity, the moving frames are fixedly connected with mounting frames, the mounting frames are made of rigid materials, and the mounting frames are fixedly connected with the frame. The blue light lamp has the beneficial effects that the blue light lamp gets rid of the position constraint of a traditional preset connecting piece, rapid adjustment in the non-stop state is achieved, and no matter a lamp set is temporarily additionally arranged to strengthen local irradiation or a faulty lamp body is replaced, the operation is convenient, and the cost is low. The phototherapy jaundice removing can be efficiently completed without interrupting the phototherapy process, and the stability of the phototherapy jaundice removing efficiency is guaranteed.