39 results about "Irradiation" patented technology

A supported graphene device comprises at least one graphene feature of 1 to about 10 graphene layers having a predetermined shape and pattern, with at least a portion of each graphene feature being supported on a substrate. In some embodiments the device comprises graphene features supported on crystalline semiconductor substrate, such as silicon or germanium. The graphene features on a crystalline semiconductor substrate can be fabricated by forming an amorphous carbon doped semiconductor on the crystalline semiconductor substrate and then epitaxially crystallizing the amorphous semiconductor with carbon migration to the surface to form a graphene feature of one or more graphene layers. The epitaxy can be promoted by heating the device or by irradiation with a laser. Methods for fabricating graphene on a variety of substrates, over large areas with controlled thicknesses employ ion implantation or other doping techniques followed by pulsed laser annealing or other annealing techniques that result in solid phase regrowth are presented.

An image capturing apparatus includes an image capturing device that captures an image of light from a subject, the light passing through each of wavelength band filters having invisible wavelengths as passbands, in which parts of the passbands of the filters whose center wavelengths are adjacent to each other mutually overlap, and a control unit that causes the image capturing device to capture an image of the light from the subject on which a first irradiation light is irradiated, the first irradiation light having a first spectral distribution in which parts of the respective passbands of the filters overlap with one another, and causes the image capturing device to capture an image of the light from the subject on which a second irradiation light is irradiated, the second irradiation light having a second spectral distribution in which parts of the respective passbands of the filters overlap with one another.

The invention discloses a method for producing astaxanthin by inducing Haematococcus pluvialis, which is characterized by comprising the following steps: in the vegetative growth phase, inoculating Haematococcus pluvialis in a nutrient culture medium, and culturing; continuously keeping irradiation on the Haematococcus pluvialis and ensuring that the intensity of illumination arriving at the Haematococcus pluvialis cell surface is 20-200 mu mol.m<-2>.s<-1>; in the induction stage, adding ethanol and seawater crystal into the production culture medium, wherein the ethanol added into the production culture medium accounts for 0.5-3 vol%, and the seawater crystal added into the production culture medium accounts for 0.5-1 wt%; and continuously introducing filtered air mixed with 1-3 vol% carbon dioxide into the production culture medium, wherein 0.2-0.4L/minute of the air is introduced to every 1L of production culture medium. The method can induce the Haematococcus pluvialis to quickly accumulate the astaxanthin, is simple and has the advantages of high yield and favorable effect.

An illumination apparatus of the present invention quickly adjusts illuminance of the light radiated from the light source in the irradiation surface to have high uniformity. The illumination apparatus includes the light source that emits a light beam having a rectangular shape, a DMD on which light emitted from the light source is incident and which controls reflection/non-reflection of the incident light by opening/closing control of minute mirrors, an optical system that shapes the light reflected by the DMD, a half mirror that splits the light emitted from the optical system into irradiation light and monitor light, the irradiation surface irradiated with the irradiation light, a monitor unit that measures illuminance of the monitor light, and a control unit that transmits a control signal to control opening/closing of the minute mirrors of the DMD to the DMD, based on a measurement result measured by the monitor unit. In this case, an illuminance distribution in the irradiation surface is adjusted to a predetermined value.

The present invention relates to a radiotherapy dose control method and system. The radiotherapy dose control method irradiates the film, scans the developed film to obtain the distribution data of the film after irradiation, and then converts the obtained film data into Convert to a dose distribution, construct a three-dimensional dose distribution based on the film data, then perform dose evaluation on the three-dimensional dose distribution, and finally determine the dose distribution according to the result of the evaluated dose distribution. The radiotherapy dose control method and system of the present invention can comprehensively and effectively evaluate the treatment dose, and simultaneously evaluate and verify the dose at different levels.

The invention relates to the field of photocatalysis, and particularly relates to a visible-light-driven photocatalyst for degrading dye in wastewater, and preparation and application thereof. The visible-light-driven photocatalyst for degrading dye in wastewater is characterized in that mesoporous silicon dioxide of which the framework contains Ti atoms is used as a carrier, the mesoporous silicon dioxide carrier carries graphitic carbon nitride, and bivalent Cu ions are doped on the graphitic carbon nitride, wherein the graphitic carbon nitride with the doped cupric ions serves as a main catalyst, and the element Ti serves as a cocatalyst. The Ti atoms contained in the framework of the mesoporous silicon dioxide directly react with H2O2 in a photo-Fenton-like system to produce hydroxyl free radicals, thereby obviously improving the photo-Fenton-like reaction activity. The photocatalyst provided by the invention catalyzes degradation of methyl orange and/or rhodamine B in wastewater, and degradation can be performed at room temperature under the irradiation of visible light, thereby enabling the photocatalyst to have the advantages of mild reaction conditions, low cost and easy implementation; and the photocatalyst can be easily regenerated, and still has excellent photocatalytic performance after being regenerated many times.

The invention discloses bright etched frosted glass and a preparation method thereof. The bright etched frosted glass has the reflectivity of 30% to 80% and has an etched layer with the thickness of 50nm to 200nm. The preparation method comprises the following preparation steps: (1) glass washing and drying; (2) pretreatment; (3) etching treatment; (4) aftertreatment. According to the bright etched frosted glass prepared by the preparation method, the surface of the glass has a relatively large amount of crystals which are arranged neatly, the frosted surface is fine and smooth, the finished product rate of preparation is high, the quality is stable, labor and time are saved, the process is simple and easy in operation, the frosting is uniform, smooth and delicate, and the bright etched frosted glass has a granular sensation, is tack-free to fingerprints and emit diamond-like gloss under sunshine irradiation, thereby having relatively high commercial value. In addition, the recovery of a majority of silicon tetrafluoride is achieved, the emission of silicon tetrafluoride gas is reduced, and the influence on environments and human bodies is lowered.

The invention relates to an adjusting method of a resonant cavity. The method comprises the steps that a signal light output mirror and a signal light gain medium are additionally arranged at one end of the resonant cavity, so that the signal light output mirror, the signal light gain medium and an end resonant cavity mirror of the resonant cavity form a reference light resonant cavity, the reference light resonant cavity outputs a reference light under the irradiation of a pump light, and the reference light can be used for quickly and accurately adjusting the positions of other reflection cavity mirrors in the resonant cavity. Compared with the cavity mirror adjusting method employing He-Ne light in the prior art, the adjusting method is simpler and more accurate, avoids the limits on use occasions and is particularly applicable to field equipment debugging and maintenance and the like under insufficient conditions. Besides, an adjusting device only comprises the signal light output mirror, so that the structure is simple, the implementation is easy and the cost is low.

An apparatus capable of dispensing drops of material with volumes on the order of zeptoliters is described. In some embodiments of the inventive pipette the size of the droplets so dispensed is determined by the size of a hole, or channel, through a carbon shell encapsulating a reservoir that contains material to be dispensed. The channel may be formed by irradiation with an electron beam or other high-energy beam capable of focusing to a spot size less than about 5 nanometers. In some embodiments, the dispensed droplet remains attached to the pipette by a small thread of material, an atomic scale meniscus, forming a virtually free-standing droplet. In some embodiments the droplet may wet the pipette tip and take on attributes of supported drops. Methods for fabricating and using the pipette are also described.

The invention discloses a method for culturing oleaginous microalgae. The method comprises the steps of: inoculating the oleaginous microalgae at a logarithmic growth period into a culture medium containing an organic carbon source, culturing under the alternative circulation environment of irradiation and no irradiation, and culturing until at a platform period. According to the method, cultivation is performed under the alternative circulation environment of irradiation and no irradiation, so that the important role for fixing carbon dioxide is also taken into account while the biomass and lipid yield is guaranteed, and the period of microalga cultivation is greatly shortened.

The embodiment of the invention discloses a welding line positioning method for positioning the butt joint position between welding workpieces. The welding line positioning method comprises the stepsthat an industrial camera receives structured light reflected through laser beam irradiation at the butt joint position, and an image is formed; the image is processed, and a structured light stripe framework composed of single pixels is obtained; according to the structured light stripe framework, feature points of the butt joint position area are extracted from the image, and coordinates of thebutt joint position in the image are obtained; and deflection amount calculation is conducted on the butt joint position coordinates in the image, and the actual coordinates of the butt joint positionare obtained. Through the above manner and the implementing manner, the problem that in the prior art, positioning of the butt joint position of the middle of a folded welding workpiece is inaccurateis solved; and through the positioning method, the positioning precision is improved, the later welding operation is facilitated, and the welding quality is improved.

The invention discloses a culture method of an ellcalyplus grandis Hill ex Maid tissue culture seedling, which comprises the following operation steps of taking an ellcalyplus grandis Hill ex Maid tissue culture seedling leaf as an explant, inducing a callus tissue of the ellcalyplus grandis Hill ex Maid leaf, and performing adventitious bud differentiation culture and rootage culture on the callus tissue of the leaf, and is characterized in that the callus tissue of the ellcalyplus grandis Hill ex Maid leaf is induced under the irradiation of red light and blue light, the adventitious bud differentiation culture is performed on the callus tissue of the leaf under the irradiation of the red light or the blue light, adventitious bud growth culture is performed under the irradiation of green light, and then the callus tissue is transferred to be under LED (light-emitting diode) yellow light for the rootage culture. According to the method, light sources are adjusted timely according to difference in requirements of the ellcalyplus grandis Hill ex Maid leaf on the light in different tissue culture stages, and the induction rate, the adventitious bud differentiation rate and the rootage rate of the callus tissue are increased effectively. In addition, the method is low in energy consumption, and can greatly increase the yield of the ellcalyplus grandis Hill ex Maid tissue culture seedling and effectively shorten the seedling emergence time in comparison to the traditional tissue culture method.

The present invention provides an immunomodulator for use in the treatment and/or control of a neoplastic disease in a patient intended to undergo immunogenic cell death therapy simultaneously, separately or sequentially with administration of the immunomodulator. The therapy can be selected from microwave irradiation, targeted radiotherapy, embolization, cryotherapy, ultrasound, high intensity focused ultrasound, cyberknife, hyperthermia, radiofrequency ablation, cryoablation, electrotome heating, hot water injection, alcohol injection, embolization, radiation exposure, photodynamic therapy, laser beam irradiation, and combinations thereof.

The present invention relates to one kind of composite light emitting materials comprising compound formed with porphyrin ligand and metal platinum and inorganic mesoporous molecular sieve, and the application of these materials in oxygen sensing. Through dispersing and dissolving the mesoporous molecular sieve with the organic template agent eliminated in solvent; adding the compound formed with porphyrin ligand and metal platinum into the solution with the weight ratio between the compound and the mesoporous molecular sieve being 1-8 to 100; stirring to react for 1 hr; filtering; washing the solid product with the solvent the same as that in the mother liquid for 3-6 times and naturally drying in the air, the composite light emitting materials may be prepared. The materials are light purple and can emit light with peak wavelength of 630-680 nm under the irradiation of ultraviolet lamp.

The invention discloses a discharge treatment system for the produced water of a polymer flooding oilfield, and belongs to biochemical discharge treatment of tertiary oil recovery polymer-containing sewage of the oilfield. Sulfate reducing bacteria having polyacrylamide degradation ability are cultured and screened; the produced water of the polymer flooding oilfield is treated though a combined process comprising a sulfate reducing bacteria pretreatment unit, a hydrolytic acidification unit and a contact oxidation unit; the sulfate reducing bacteria pretreatment unit is used for partially degrading and removing residual HPAM (Hydrolyzed Polyacryamide) out of the sewage at first, so that the load of the subsequent treatment units is reduced; a low-intensity ultrasonic generator is used for increasing the activity of a microbial enzyme by performing irradiation treatment on the activated sludge so that the capacity of decomposition of microorganisms on organic matters is improved; several techniques are combined to achieve the synergistic effect for improving the overall treatment capacity and the applicability of the process to the produced water of the polymer flooding oilfield. The discharge treatment system provided by the invention is simple in process and easy to implement, and is expected to realize standard discharge of the produced water of the polymer flooding oilfield in combination with auxiliary units such as a sedimentation tank.

The invention discloses a head-mounted multifunctional working lamp control system, which comprises a central processor, a pupil tracking module, a ranging module, an actuator module, a light induction module, a brightness control module and a power supply module, wherein according to information provided by the pupil tracking module, the ranging module and the light induction module, the central processor carries out comprehensive processing and outputs control signals to the actuator module, the brightness control module and the power supply module; and the power supply module provides power for the central processor and each module in the system. Accurate light fixed spot irradiation is provided for a worker in need of lighting in different environments, the lamp brightness is changed according to the light changes in the environment, and the best lighting effects are thus achieved.

(Problem) Providing an ink composition, particularly an ink composition for use in inkjet recording, which can form an image with good adhesion and high quality and which is excellent in storage stability, and an inkjet recording method and a printed matter using it, as well as a lithographic plate which can record an image with no blot, high sensitivity and high adhesion to a recording medium and a method for making such plate. (Solving Means) The foregoing problem may be achieved by an ink composition comprising: (a) A cationically polymerizable compound; (b) a compound generating an acid by irradiation of radiant ray; and (c) plasticizer, particularly at least one ester compound selected from the group consisting of phosphate ester, dicarboxylic acid ester and tricarboxylic acid ester.

It is an object of the present invention to provide an adhesive substance capable of being easily peeled off without damaging an adherend by means of irradiation with light, an adhesive product, and a connected structure. The present invention relates to an adhesive substance containing an azo compound generating gas by means of irradiation with light, at least part of gas generated from said azo compound being discharged to the outside of said adhesive substance.

Intensity profile correction for data pages for holographic storage

The present invention relates to a method for recording data pages in a holographic recording medium, and more specifically to a method for compensating for sensitivity variations of the holographic material of the holographic recording medium. According to the invention, a method for recording data pages on a holographic recording medium has the steps of:

modulating a light beam with a spatial light modulator to generate a data page with data to be recorded, and

applying a compensation profile to the data pages during recording for reducing contrast variations in the reconstructed data pages, wherein the compensation profile is determined from the irradiation history at the recording position and the sensitivity curve of the material of the holographic recording medium.

A time-of-flight mass selector includes a first ion lens for converging ions, a flight tube into which ions which enter from the first ion lens are introduced, the flight tube having equipotential space therein, a second ion lens for converging ions having passed through the flight tube, and a chopper for a gate for pulsing the ions converged by the second ion lens.

The invention discloses a device for increasing the thermal utilization rate of a disc type solar thermal collector. The device comprises a convex lens, a support, a multi-disc condensation system, a stirling engine, a condensation cavity, a heat absorption cavity and heat absorption pipes. The multi-disc condensation system is composed of a plurality of parabolic mirrors and a sunlight tracking rotation device. The stirling engine is arranged on the multi-disc condensation system through the support. The opening, facing the sun, of the stirling engine is sealed through the convex lens. Parallel sunlight rays are refracted and converged into a light spot through the convex lens. The condensation cavity and the heat absorption cavity are formed in the stirling engine. The heat absorption pipes are arranged in the condensation cavity. The small-disc-diameter end of the heat absorption pipes is located at the condensation focal point of the convex lens. The heat absorption pipes are filled with liquid working media. Phase change is generated after the liquid working media are heated to a certain temperature. Heat is conducted to the heat absorption cavity through high-temperature conduction for energy conversion. The stirling engine is driven to do work so that electric energy or mechanical energy can be generated. By means of the device, the two ends of the stirling engine can both receive solar irradiation energy, and the sunlight absorption and utilization rate is increased.

Disclosed is a printing method whereby a glossy image free of running can be printed by an inkjet printer. An inkjet head (14) is caused to scan in the Y direction to print outline portions (32 and 33) on a medium (31). Next, immediately after the printing of the outline portions, a first UV irradiation means (15 or 16) disposed coaxially with the scanning axis of the inkjet head irradiates ink at the outline portions with UV light to harden the ink at the outline portions to prevent running. Next, the inkjet head prints a solid portion (34) between the outline portion (32) and the outline portion (33), and a second UV irradiation means (17) disposed forward in the scanning direction (X direction) of the medium (31) hardens the ink at the solid portion.

The invention discloses a composite material for enhancing the photoluminescence of rare earth Er ions and a preparation method thereof. The composite material comprises an Er doped ferroelectric material and ZnO. The chemical formula of the Er doped ferroelectric material is xEr:0.94Bi<0.5>Na<0.5>TiO<3-0.06>BaTiO<3> (xEr:BNTBT for short), wherein x is the mole ratio of Er to BNTBT and is 0.0050, 0.0075, or 0.0100; and the mole ratio of ZnO to the Er doped ferroelectric material is 0.1, 0.2, 0.3, or 0.4. By doping rare earth Er ions into a ferroelectric material and further forming a composite material from the Er ion doped ferroelectric material and ZnO, the prominently enhanced photoluminescence of Er ions can be observed under the laser irradiation. Compared with other conventional methods, the provided composite material can prominently enhance the photoluminescence of rare earth Er ions.

The invention provides sports outdoor clothing fabric for the mass. The sports outdoor clothing fabric is prepared by the following method: S1, selecting low-elasticity interlaced yarns as warp yarnsand selecting polyester fibers with specially-shaped sections as weft yarns to weave polyester fabric; S2, washing and drying the polyester fabric; S3, soaking the polyester fabric into a diphenyl ketone-acetone solution, and shading and airing; S4, soaking the polyester fabric attached with benzophenone on surface into an acrylamide aqueous solution, and placing into an irradiation reactor to perform vacuum-pumping; S5, turning on a lamp to irradiate to obtain modified fabric; S6, putting the modified fabric into an acetone solution, and cleaning and drying; S7, soaking the dried fabric intodeionized water, sufficiently wetting, dropwise adding epoxy resin to react, and washing and drying; and S8, soaking the fabric into deionized water, adding collagen powder, and continuously reactingand drying. The fabric has gas permeability, moisture penetrability and wet permeability which are superior to that of cotton woven fabrics with similar specifications.