14 results about "Sunlamp Exposure" patented technology

The invention provides a plush fabric invisible anti-counterfeiting method based on an optically variable material, and belongs to the technical field of textile anti-counterfeiting. The method comprises the following steps: providing a plush fabric with a final style; preparing anti-counterfeiting slurry containing photochromic microcapsules, a low-temperature crosslinking adhesive, a flatting agent and deionized water; applying the slurry to the base cloth of the fabric or the root of fluff through screen printing or digital ink-jet printing; and carrying out low-temperature fixation at 80-120 DEG C. The obtained fabric has the same appearance and handfeel under natural light, an anti-counterfeiting pattern is shown under ultraviolet light or sunlight irradiation, and the pattern disappears after a light source is removed. According to the method, complete invisibility of anti-counterfeiting is achieved, the soft hand feeling of the plush fabric is not damaged, the anti-counterfeiting threshold is high, and the method is suitable for the fields of high-end plush toys, home textiles and the like.

The invention provides a composite metal catalyst and application thereof in biological combined light treatment paper pulp bleaching. The method comprises the following steps: dividing and brooming cooked paper pulp fibers by adopting biological pretreatment, and then carrying out illumination bleaching under simulated sunlight irradiation by adopting a metal photocatalyst (ZnO, ZFO, ZAO, ZMO and the like). According to the mild treatment method, the whiteness of the paper pulp is improved, and meanwhile it is guaranteed that fibers are not damaged. Compared with traditional chemical bleaching, biological combined light treatment bleaching has the advantages that the content of pollutants in wastewater is greatly reduced, meanwhile, reacted metal oxides can be recycled, and the combined treatment method can be used as a novel paper pulp fiber bleaching mode.

The present application relates to the technical field of holographic imaging, and particularly relates to a holographic imaging information display structure. The technical scheme comprises a protective shell, an imaging mechanism and a locking mechanism, the locking mechanism comprises an explosion-proof protection plate, the bottom of the explosion-proof protection plate is clamped with the protective shell, the top of the explosion-proof protection plate is provided with an upper clamping groove, and the inside of the protective shell is slidably connected with a snake bone hose. The present application prolongs the overall length through the symmetrically arranged protective frame, presents an infinite extension tunnel vision, forms a visual distance difference between the image and the tunnel space behind the image, presents a visual effect of floating image display, and the transparent OLED display screen used by the protective shell is a transparent screen, so that the real space behind the screen can be seen through the image on the screen, the effect of floating image display can be further strengthened, the shadow part of the protective frame shields the display screen, and sunlight is prevented from being irradiated on the display screen.

The invention relates to an imaging method for measuring sunlight-induced chlorophyll fluorescence (CF) of an object to be measured (30), in which the object to be measured is irradiated with sunlight (40), and light (41) reflected off the object to be measured, after being filtered to form filtered light (42) by means of an interference filter (15) that is tiltable vis-à-vis an optical axis, is recorded to form an image (20) by means of an image sensor (11) having several light-sensitive sensor elements (12) and is made available to a calculation and control device (16) by said image sensor, wherein an image series (21) of several recorded images of the object to be measured is created by means of the calculation and control device, said images being recorded at different tilt angles (δ, ε) of the interference filter in order to change, for a portion of the sensor elements within the image series and by means of the different tilt angles per image, an effective transmission wavelength (λ') of the interference filter at which said interference filter has maximum transmission, said effective transmission wavelength being related to the individual sensor elements, wherein the sunlight-induced chlorophyll fluorescence detected per sensor element is determined for this portion of the sensor elements by means of the calculation and control device on the basis of intensity values (IP, Px,y) of the filtered light (42) recorded by the respective sensor element per image of the image series; the invention furthermore relates to a device (10) for measuring sunlight-induced chlorophyll fluorescence of an object to be measured.

The invention belongs to the technical field of photovoltaic supports, and particularly relates to a double-shaft adjusting photovoltaic panel mounting structure applied to mountain photovoltaic, which comprises a height adjusting base, and a transfer box is arranged at the top of the height adjusting base; the inner controller is arranged in the transfer box and is used for storing electric energy; and the side deflection part is arranged in the middle of the upper surface of the transfer box. The device can carry out deflection angle adjustment work on the installed photovoltaic panel, so that it is guaranteed that the photovoltaic panel directly faces the sunlight irradiation position all the time, the lighting efficiency of the photovoltaic panel and the actual power generation efficiency of the device are improved, and due to the fact that the mountain terrain structure is complex, the device can adjust the deflection angle of the installed photovoltaic panel in the mode that the pushing sliding rod is pushed outwards. The photovoltaic panels on the left side and the right side are pulled open, the light receiving face of the device is enlarged in a disguised mode, the photovoltaic panels on the left side and the right side can be folded together, the upper portion of the device is shielded, the rain shielding effect is achieved, the transfer box and the controller in the lower portion are protected, and the anti-interference capacity of the device is improved.

The application discloses a kind of composite adsorption materials for water environment purification treatment and preparation method thereof, belong to water treatment functional material technical field.The composite adsorption material uses discarded cow hair as matrix, and the surface of matrix is formed by dopamine self-polymerization and co-deposition with metal composite powder to form polydopamine / metal composite powder coating, and polyallyl glycidyl ether is grafted on the coating by surface-initiated atom transfer radical polymerization, and finally, L-arginine or 2,4-diamino butyric acid is used for ring-opening modification.The metal composite powder is mixed by nano TiO2, nano ZrO2 and nano CeO2 in a specific ratio.The material is modified by zwitterion to give pH responsiveness, and can selectively adsorb anionic or cationic dyes under different pH conditions, and after adsorption saturation, the dyes can be eluted and recovered with dilute acid or dilute alkali, and photocatalytic regeneration can be realized by sunlight irradiation.

To provide a glass which can be produced in a platinum crucible or a platinum bath and has excellent imaging quality and high solarization resistance.SOLUTION: Glass comprising the following components in the stated proportions (in% by weight): SiO250 to 80; B2O32. 0 to 30; Al2O30 to 5.0; CaO0 to 10; BaO0 to 10; Li2O0 to 5.0; Na2O0 to 20; K2O0 to 25; Σ R2O5. 0 to 30;> 0 to 1.0. SO3.SELECTED DRAWING: Figure 1

An imaging system, includes: a laser light source having a wavelength from 380 nm to 490 nm; and a beam guidance element, the laser light source configured for generating an average surface power density of more than 10 W / cm2, the beam guidance element including a glass which has a quality factor F(436 nm)=S(436 nm)*(Abs0(436 nm)+Abs1(436 nm)) / k, wherein S(436 nm) is a thermality at a wavelength of 436 nm, Abs1(436 nm) is an additional absorbance in comparison to Abs0(436 nm) at a wavelength of 436 nm after an irradiation with a power density of 345 W / cm2 for 72 hours with a laser light having a wavelength of 455 nm, Abs0(436 nm) is an absorbance at a wavelength of 436 nm of a sample having a thickness of 100 mm without the irradiation, k is the thermal conductivity, and the quality factor F(436 nm) is <15 ppm / W.

Sunlight is generally used, in an existing lighting system, no matter a lens, a rotating spherical mirror or an approximate linear Fresnel mirror formed by assembling a parabolic cylindrical groove type mirror and a flat mirror, the sunlight must be rotated for lighting towards the sun in order to obtain high efficiency, a large space is reserved on the ground, and the influence of projection shielding and no light acquisition factors is not large. Most of the methods do not have the awareness of active enhancement of design, for example, a single household does not have any enhancement measure. However, before and after the noon, sunlight is strongest in irradiation, is in an orthographic section, is less in projection, is free of projection, is obviously and seriously wasted in highlight in an idle zone, is enhanced by using a low-cost noon gathering system, is less in investment, is high in efficiency, and is more beneficial to clean and low-carbon development. In addition, the existing light / heat conversion is immediately completed in a lighting field, but a heating hot water system cannot operate in winter due to incapability of heat preservation; if light is led into a room, a device is directly heated, light energy is fully and effectively utilized, short-distance light transmission is extremely convenient, energy consumption is avoided, efficient operation is still achieved in severe winter, and light transmission is achieved on the day.

The present invention relates to a glass with high solarization resistance at high beam power densities in the blue spectral range. The invention also relates to the use of the glass, particularly in or as a beam guiding element in an imaging system, for example in projectors or in material processing, as well as beam guiding elements and imaging systems comprising the glass of the invention.

The utility model provides a window lamp. The window lamp comprises a base and a window frame. The base is fixedly installed on the surface of a solid wall. The window frame is rotationally connected to the base through a hinge or a rotating shaft mechanism, and a certain angle adjusting range is achieved. A projection lamp is integrated on the side, facing the solid wall, of the window frame and can project light and shadow patterns simulating natural light on the solid wall, and the light and shadow patterns include but not limited to the dynamic effect of sunlight irradiation, tree shadow swaying or cloud layer moving. The window frame is manually or electrically driven to rotate relative to the base, the incident angle of projection light can be changed, light spot patterns projected on a solid wall can generate perspective change, and the light and shadow displacement effect similar to that generated by sunlight angle change of a real window is formed. According to the device, on the premise that the integrity of a building structure is kept, visual environment optimization of a windowless space is achieved through the optical projection technology, and the space perception and psychological comfort of a user are effectively improved.

Imaging method for measuring sunlight-induced chlorophyll fluorescence radiation (CF) of a measurement object (30) in which the measurement object is irradiated with sunlight (40) and light (41) reflected from the measurement object, after being filtered to filtered light (42) by means of an interference filter (15) which can be tilted relative to an optical axis, is recorded to form an image (20) by an image sensor (11) having several light-sensitive sensor elements (12) and is provided by the image sensor to a computing and control unit (16), wherein by means of the computing and control unit a series of images (21) is created from several recorded images of the measurement object, which are recorded at different tilt angles (δ, ε) of the interference filter in order to determine, by means of the different tilt angles for each image, an effective transmission wavelength (λ') of the interference filter, which is related to the individual sensor elements, at which it has maximum transmission.to change for a part of the sensor elements within the image series, whereby by means of the computing and control unit for this part of the sensor elements the sunlight-induced chlorophyll fluorescence radiation detected by each sensor element is based on intensity values ​​recorded by the respective sensor element in each image of the image series (I, P , P x,y ) of the filtered light (42); furthermore, a device (10) for measuring sunlight-induced chlorophyll fluorescence radiation of a measurement object.

The application discloses a kind of composite adsorption materials for water environment purification treatment and preparation method thereof, belong to water treatment functional material technical field.The composite adsorption material uses discarded cow hair as matrix, and the surface of matrix is formed by dopamine self-polymerization and co-deposition with metal composite powder to form polydopamine / metal composite powder coating, and polyallyl glycidyl ether is grafted on the coating by surface-initiated atom transfer radical polymerization, and finally, L-arginine or 2,4-diamino butyric acid is used for ring-opening modification.The metal composite powder is mixed by nano TiO2, nano ZrO2 and nano CeO2 in a specific ratio.The material is modified by zwitterion to give pH responsiveness, and can selectively adsorb anionic or cationic dyes under different pH conditions, and after adsorption saturation, the dyes can be eluted and recovered with dilute acid or dilute alkali, and photocatalytic regeneration can be realized by sunlight irradiation.