302results about How to "Meet lighting needs" patented technology

Being in use for illumination, and communication to remote communication equipment (RCE), the system includes illumination communication equipment (ICE), illumination communication terminal (ICT), and communication terminal (CT). Receiving source signal from RCE, ICT converts the received source signal to light signal transmitted wirelessly in light signal mode. Converting the received light signal to electric signal, ICT transfers the electric signal to CT. receiving the electric signal from ICT, CT carries out relevant process, or sends the processed electric signal to ICT, i.e. reverse transmission. Light sent from ICE / ICT can be as light source of light wireless communication or illuminated light sources. The invention overcomes prejudice that illumination light cannot be as carrier of wireless communication. The invention is suitable to indoor, and outdoor.

The invention relates to a manual simulation plant climate box, which comprises a box body and an equipment room, wherein the equipment room is located at the back side of the box body; the box body is constituted of a top cover, a base plate and a side plate; an electrical box, a refrigerating unit, a humidifier and a carbon dioxide steel cylinder are set in the equipment room; the box body is also provided with a camera, an ultraviolet ray lamp tube, a sensor unit, a plant cultivation frame and an air processor; an air flow channel is set between a top plate and the top cover and the air flow channel is shaped like a long strip; the top plate is provided with an inserted buckle; an inserted-type light-supplementing lamp bar is mounted in the inserted buckle; and a top plate at the outskirt of the inserted-type light-supplementing lamp bar is provided with a ventilation hole. The advantages are that comprehensive simulation to natural environment or specified environment is performed; each of factor is controlled separately and also coordinated as a whole; specified light strength, temperature, humidity and carbon dioxide concentration can be acquired; the best growth environment of plants in each stage inside the box body can be simulated; and comparative test can be performed by controlling certain environmental factors.

The invention discloses a building material type double-sided glass photovoltaic component, comprising a solar cell core panel, an upper protective layer and a lower protective layer which are arranged at the two sides of the solar cell core panel; the upper protective layer and the lower protective layer are curved glass with the same curvature, the solar cell core panel is made of flexible material, and the curvature of the solar cell core panel is the same to the curvature of the upper protective layer and the lower protective layer. The invention also discloses a manufacturing method for the building material type double-sided glass photovoltaic component. The solar cell core panel can be integrated with the upper protective layer and the lower protective layer into a whole, so that the building material type double-sided glass photovoltaic component is formed and has the features of high photoelectric conversion efficiency, stable performance, long service, safety and reliability, heat insulation, heat preservation, sound insulation, ultraviolet protection, breakage resistance and selective light transmission, certain lighting demand is met, the double-sided lighting power generation is also realized, meanwhile the appearance radian is attractive and elegant, the integration of solar energy and building is realized conveniently, and the building material type double-sided glass photovoltaic component is particularly applicable to various buildings such as a photovoltaic glass curtain wall with complicated curves and planes, a photovoltaic glass lighting roof, a photovoltaic parking shed and a photovoltaic bus shelter.

A thin film transistor (TFT), AMOLED pixel flexible drive circuit and manufacturing method; the AMOLED pixel flexible drive circuit comprises a switching TFT and a driving TFT; both the switching TFT and the driving TFT comprise: a substrate (1), and a gate electrode (6), a source electrode (2), a drain electrode (3), an active conductive layer (4) and a dielectric layer (5) all formed on the substrate (1); the active conductive layer (4) is a carbon nano tube; and the drain electrode of the switching TFT is electrically connected to the gate electrode of the driving TFT. The carbon nano tube thin film transistor has a great mobility ratio and a high switch ratio, thus better satisfying the requirements on light emission of OLED pixels. In addition, the present invention realizes manufacturing of an AMOLED pixel drive circuit on a flexible substrate, has a simple process, easy operation, low costs and good repeatability, and is suitable for large-scale industrial production, thus establishing a foundation for large-area printing of a flexible display.

The invention discloses a decentered lens for an LED streetlight, which is made of glass or resin transparent materials to form a transparent entity by mould pressing and is composed of a light incident face, a light emergent face and an installation fixed seat; the center of the light incident face is a hemispherical pit; the periphery of the hemispherical pit is an arc-shaped transitional surface which forms a flare opening by tangency with the hemispherical pit; the perimeter of the flare opening extends toward an external plane to form a circular or elliptic installation fixed seat; and the opposite surface of the light incident face is arranged as the light emergent face which is composed of eudipleural and forward-backward asymmetric curved faces. The streetlight using the decentered lens can form similar-rectangle or similar-ellipse light spots at one side under the streetlight when irradiating vertically, the ratio of the length to width of the light spot is about 3-4:1, so that more uniform light spot effect can be formed at one side of the road installed with the streetlight of which the illuminance and uniformity can be over 0.7, thus greatly meeting the requirement of road lighting and avoiding the formation of road faces in a spareribs style or a style of sugarcoated haws on a stick.

The invention relates to an adjustable search lamp, which comprises a lamp body, a lampshade, a lamp holder, a bulb, a reflector, a base, a bracket and an operating rod, wherein the bulb is fixedly arranged on the lamp holder; the lamp holder is arranged on a focal length adjusting device; the focal length adjusting device consists of an adjusting hand wheel, an adjusting screw and a lamp holder nut; one end of the adjusting screw is fixedly connected with the adjusting hand wheel, the middle part of the adjusting screw is arranged on the lamp body through a connecting nut, and the other end of the adjusting screw is connected with the lamp holder nut by screw threads; and the lamp holder nut is fixedly arranged on the lamp holder. The adjustable search lamp has the advantages of adjustable focal length of a light source, small volume, light weight, good protection performance and the like, and is suitable to be used as a large-area projecting illumination lamp in the places such as ships, docks, construction sites and the like.

The invention discloses a decision-tree-based intelligent automatic streetlamp control system comprising streetlamps, node controllers, central controllers and a streetlamp control unit. The streetlamps, the node controllers, the central controllers and the streetlamp control unit are connected in order. A two-way link is arranged between each central controller and the streetlamp control unit. Each central controller is provided with a camera and a sensor. The streetlamp control unit comprises a self-learning module and a control strategy auto-decision module. The cameras and the sensors are used for acquiring environmental data of a streetlamp site. The central controllers feed the environmental data back to the streetlamp control unit. The self-learning module and the control strategy auto-decision module perform automatic configurations according to the environmental data. The streetlamp control unit automatically controls brightness or on-off of the streetlamps. The decision-tree-based intelligent automatic streetlamp control system allows damp utilization needs of passengers to be met according to actual conditions of a road section and saves electric energy.

The invention provides an image shooting method and a mobile terminal, relates to the field of electronic technologies, and solves the problem that in the prior art, when screen supplementary light is used for taking a selfie, user experience is not good as a user is influenced by dazzling screen light. The method is applied to the mobile terminal comprising a front camera and a screen, and comprises the steps of when the mobile terminal starts screen supplementary light, displaying a preview image collected by the front camera in a predetermined area of the screen, and displaying a light supplement pattern having a predetermined color with a first preset brightness value in an area outside the predetermined area, wherein the first preset brightness value is smaller than the largest brightness value of the screen; and after receiving a shooting command, adjusting brightness of the screen to be the largest brightness value, and controlling the front camera to shoot an image when the light supplement pattern on the screen with the largest brightness value. According to the scheme of the method and mobile terminal provided by the invention, a preview requirement before shooting is met, a light requirement when in shooting is also met, and user experience is enhanced.

The invention discloses a method for cultivating epinephelus septemfasciatus offspring seeds, which comprises the steps of: culturing the offspring seeds under the conditions that the salinity is 28+ / -2, the water temperature is 19+ / -2 DEG C, the pH value is 8+ / -0.3 and the dissolved oxygen is more than 6mg / l, controlling the seedling distributing density to be 8000-15000 / M<3>; before newly hatched larvae enter a pool, putting a composite bacterium (photosynthetic bacterium and nitrobacterium) according to the concentration of 2ppm, adding 0.5ppm of composite bacterium and 1ppm of shrimp feedevery day after 5 days, adding 1ppm of composite bacterium and 1ppm of shrimp feed every day after 25 days, and stopping adding the composite bacterium and the shrimp feed after 50 days; illuminatingthe newly hatched larvae at 2000-4000lx until the newly hatched larvae grow to the 10th day, illuminating the epinephelus septemfasciatus growing from the 11th day to the 30th day at 1000-3000lx and illuminating the epinephelus septemfasciatus growing from the 31st day to the 60th day at 500-1000lx; after the newly hatched larvae enter the pool, sucking and removing pollutants at the bottom of the pool at the beginning of the 30th day; feeding the newly hatched larvae growing from the 4th day to the 7th day SS (Som Somatostatin) type wheel animalcule and hardly developing before the wheel animalcule is fed to the larvae, wherein larva feed comprises the SS small wheel animalcule and common wheel animalcule; and feeding the common wheel animalcule in the newly hatched larvae growing from the 6th day to the 20th day, and developing newly hatched larvae through chlorella pyrenoidosa. The invention has the advantages of reasonable operation process and stable result, and is suitable for culturing cold temperate epinephelus septemfasciatus seeds.

The invention relates to the technical field of Internet of Things communication, and especially relates to a single lamp control method, apparatus and system based on Narrow Band Internet of Things,aiming at solving the problem that road lighting equipment cannot satisfy the road lighting demand on the premise of low power consumption and high sensitivity. The single lamp control method based onNarrow Band Internet of Things includes the steps: acquiring the environmental parameter information of the environment in which the street lamp is located, wherein the street lamp is controlled by asingle lamp controller, and the environmental parameter information includes passing flow information and / or illumination brightness information; sending the environmental parameter information to acontrol server through the Narrow Band Internet of Things, wherein the control server is used for controlling working of the street lamp; receiving a control command fed back from the control server according to the environmental parameter information through the Narrow Band Internet of Things, wherein the control command is used for adjusting the working parameters of the street lamp; and according to the control command, adjusting the working parameters of the street lamp. The technical scheme of the single lamp control method based on Narrow Band Internet of Things can realize lighting control through the narrowband Internet of Things, and can avoid the problem that existing road lighting equipment cannot satisfy the road lighting demand on the premise of low power consumption and highsensitivity.

The invention discloses a method for adjusting illuminating brightness of a flashlight serving as an electric torch and a mobile terminal. The method comprises the steps that a touch control adjusting switch is pre-arranged in an application interface of the electric torch; position change of the touch control adjusting switch is detected when the flashlight is in an electric torch mode; the value of a register inside a flashlight driving IC corresponding to the current position of the touch control adjusting switch is set; the output current of the flashlight driving IC is controlled according to corresponding relation between the preset value of the register inside the flashlight driving IC and the output current of the flashlight driving IC, and then the illuminating brightness of the flashlight serving as the electric torch is controlled. According to the method for adjusting illuminating brightness of the flashlight serving as the electric torch and the mobile terminal, brightness adjustment can be achieved by adjusting the position of the touch control adjusting switch, a low power consumption working mode can be selected by a user according to actual conditions and the electric quantity of a mobile phone, so that illuminating needs are met, electricity is saved, time of durance is prolonged, and user experience is improved.

The invention discloses a sunlight collecting and transmitting device which at least comprises a lighting device, a light conduit and a diffuser, wherein the light conduit is connected with the lighting device, the diffuser is connected with the other end of the light conduit, the lighting device is a dome type lighting cover, the top end of the lighting cover is provided with a fixed hanging end which is at least connected with a cantilever, and at least one reflective mirror is arranged on the cantilever. By regulating the angle and the position of the reflective mirror, the lighting efficiency of a system can be effectively increased, especially when sunlight shines in a small degree. A solar panel and a positioner can be arranged on a transmission shaft, and thus, the position of the reflective mirror can be changed according to an irradiation angle of the sun. By regulating the angle and the position of the reflective mirror, the lighting efficiency of the system, can be effectively increased, especially when sunlight shines in a small degree.

The invention provides a display panel and a display device, the display panel is provided with a main display area and at least one display light-transmitting area, the main display area defines a plurality of first pixel openings, and a first light-emitting layer is arranged on the first pixel openings; a plurality of second pixel openings are defined in the display light-transmitting area, andsecond light-emitting layers are arranged on the second pixel openings; the size of each first pixel opening is larger than that of one second pixel opening, the ratio of the orthographic projection area of the first light-emitting layer on the substrate to the orthographic projection area of the second light-emitting layer on the substrate ranges from 95% to 105%, and only the size of the secondpixel opening of the display light-transmitting area is reduced, but PPI of the display light-transmitting area is not reduced. The display effect of the display light-transmitting area is favorably improved; the design of the mask plate adopted by the display light-transmitting area is kept consistent with the design of the mask plate adopted by the main display area, a mask plate stretching netdoes not need to be modified, a mask plate does not need to be specially designed for the display light-transmitting area additionally, the manufacturing procedure is saved, the process cost is reduced, and the production efficiency is improved.

The invention discloses a transparent energy-saving lyophobic film used for civil aircraft porthole glass and a preparation method thereof. An organic glass substrate involved in the transparent energy-saving hydrophobic film used for the civil aircraft porthole glass comprises a surface A and a surface B. Different transparent film bodies are arranged on the surface A and the surface B. A transparent energy-saving conductive film system is arranged on the surface A, and a transparent hydrophobic film system is arranged on the surface B. The energy-saving film system comprises an isolation layer, an energy-saving functional layer and a protective layer sequentially from inside to outside in the organic glass substrate. The hydrophobic film system comprises an attaching layer and a hydrophobic functional layer sequentially from inside to outside in the organic glass substrate. The inner side of the transparent energy-saving hydrophobic film can achieve the infrared reflecting and energy saving function, the outer side of the transparent energy-saving hydrophobic film can achieve the hydrophobic, oleophobic and anti-dirt functions, the film layers on the two sides are coordinated in function, the effects of high light transparency and excellent energy conservation are achieved, the film layers are high in corrosion resistance and weather resistance, the production process is simple and can be autonomously controlled, and the technological process can be adjusted according to performance parameter requirements.

The invention discloses an energy-saving controller capable of adjusting energy output automatically. The controller is applied to a lighting lamp which comprises a power supply unit, a power storage unit and a load which are connected in turn; the controller comprises a sensing unit and an energy output control unit; the sensing unit is connected with the power storage unit and sends a signal to an energy output detecting unit according to a sensed output / input current of the power storage unit; and the energy output control unit is connected with the load and controls the operating power of the load. The controller adjusts the operating power of the load according to the change of remaining power of the power storage unit and can effectively distribute remaining storage power, thereby prolonging the using time of storage power and improving the stability and the continuity of lighting.

The invention provides a multifunctional safety helmet. The multifunctional safety helmet comprises a helmet shell and a fastening band, wherein a helmet lining sweat absorption band is arranged on the inner surface of a helmet brim of the helmet shell; a polycrystalline silicon solar cell panel is stuck on each of the two sides of the top of the helmet shell; a front side of the helmet shell is connected with an energy storage small fan through a retractable pipe; the polycrystalline silicon solar cell panels are connected with the energy storage small fan through a cell box; the cell box is provided with a bidirectional charging USB (Universal Serial Bus) connector; an LED (Light Emitting Diode) headlamp, a near electric acousto-optic emitter and a mini-type camera are mounted at the front part of the helmet shell; an organic glass protection cover is connected with the bottom of the front end of the helmet shell; the organic glass protection cover is integrally provided with a self-suction filtering type particular-matter-proof breathing sticking film; a bracket is arranged on the side face of the helmet shell; and a Bluetooth earphone is mounted on the bracket. The safety helmet integrates a plurality of functions; the safety helmet has a small size, is convenient to operate and is convenient to carry when being worn; the safety helmet can be detached and worn freely according to the requirements of workplaces; any part is detachable and optimization of a working environment is realized; and bodies can be protected and guarantees are provided for construction tasks.

The invention relates to the technical field of illumination, in particular to a headlamp with an adjustable illumination area. The headlamp comprises a light source device, a control device and a ray casting device. The control device is arranged between the light source device and the ray casting device and formed by combining a plurality of independent units in an array, and each unit can independently control the passing characteristic of rays. The ray casting device casts the rays transmitted from the control device. According to the scheme, the control device is arranged between the light source device and the ray casting device and formed by combining the multiple independent units in the array, each unit can independently control the passing characteristic of rays, and then rays passing through the control device form different shapes by controlling the passing characteristic of each unit. Therefore, in the actual work state, different illumination areas can be obtained for the headlamp according to the illumination requirements under actual conditions, the driving safety is improved, and the application range of the headlamp is widened.

The invention relates to a vehicle head lamp system simulating preview action of a driver, which adopts the technical scheme that longitudinal and lateral acceleration signals of a vehicle are obtained by a sensor; a curve integral algorithm is established by combining the motion feature parameter to predict a future travelling track of the vehicle; the concerned road position of the driver i.e. a region needing lighting is computed to obtain a required rotation angle of a headlamp in horizontal direction; and a drive motor receives turning angle signals and controls the rotation of the head lamp in the horizontal direction. The system can reasonably control the light region of the headlamp, ensures sufficient lighting in the concerned main road region of the driver during night drive, provides sufficient response time for the driver treating emergency situation ahead, and reduces the tensity of the driver, thereby having important significance for safety of night drive.

The invention discloses a luminous screen light supplementary front camera photographing method and a mobile terminal. The photographing method comprises the following steps of when it is monitored that a screen light supplementary event is triggered, determining a preview area and a light supplementary area on a screen; and after a photographing instruction is received, adjusting the luminance of the screen to be the maximum luminance value and when a light supplementary pattern is displayed on the screen according to the maximum luminance value, controlling a front camera to photograph an image. According to the method and the mobile terminal, the problem that the experience is not good enough due to the influence of a dazzling flash lamp in a selfie process of a user when the screen is taken as the flash lamp for supplementing the selfie light and the screen is displayed according to the maximum luminance starting from the opening of the camera is solved.

The invention relates to an intelligent temperature control vanadium dioxide composite film with enhanced infrared regulation capacity. A vanadium dioxide film and a silicon dioxide film are compounded into the composite film; the silicon dioxide film is located on the surface layer; the silicon dioxide film has a nanometer porous structure which is formed by piling the SiO2 particles with hydrophobic groups on the surfaces; the grain size of the SiO2 particles is 10nm-50nm; the vanadium dioxide film is formed by irregular VO2 particle depositions; the grain size of the VO2 grain size is 20nm-150nm. According to the preparation method, the silicon dioxide gel is coated on the vanadium dioxide film surface and is annealed under an inert gas atmosphere. The intelligent temperature control vanadium dioxide composite film provided by the invention can keep excellent optical properties and self-cleaning function and meanwhile can greatly promote the infrared regulation capacity of the composite film.

The invention discloses a solar stair-type multiplayer ecological greenhouse for animals and plants. The solar stair-type multiplayer ecological greenhouse comprises breeding room and a light-transmission planting room which are connected and communicated with each other and form a greenhouse; the greenhouse at least comprises a lower-layer greenhouse and a top-layer greenhouse which are arrangedon the earth surface; the lower-layer greenhouse and the top-layer greenhouse are arranged up and down in a stair manner; a solar heat collection pipe, a floor heating device, a planting box and a watering device are arranged in the greenhouses respectively; the solar heat collection pipe is connected and communicated with the floor heating device; the watering device is connected with a water source; and the planting box is arranged on the lower part of the watering device. By the solar stair-type multiplayer ecological greenhouse, the problem of land resource shortage in general rural areasin China at present and the problem that various types of energy and rainwater cannot be fully used in agricultural production can be solved.

The invention discloses a louver type reversible heat-absorption plate core and air heat collection window system. The system is characterized by being composed of a window frame, inner-sheet glass, outer-sheet glass, a louver device, a high absorption rate coating, high-reflectivity paint, ventilation devices and a control device. The high absorption rate coating and the high-reflectivity paint are plated on two sides of a louver blade respectively; the louver device is mounted in a hollow cavity; and the ventilation devices are mounted at the upper part and lower part of the window frame on an indoor side. The control device is mounted at the lower part of the indoor side of the window frame; and the states of a louver and the ventilation devices can be controlled and a window is adjusted, so that the window is in working modes of a sun-shading working condition, a transition working condition, a heat collection working condition and a lighting working condition. The system integrates sun-shading, heat insulation, heat preservation, heat collection and ventilation functions and can be used for stopping and outward reflecting and radiating a lot of heat, or the system can be used for absorbing heat from the outside and reducing the loss of indoor heat, and effectively reducing energy consumption of buildings, so that the system is suitable for various buildings and has very wide application prospect.

The invention relates to an LED (light emitting diode) lens used for covering an LED luminous source. The LED lens comprises a body, a bright dipping part and an incoming light concave part, wherein the body is made of a nonopaque material; the bright dipping part is formed on the body and provided with a bright dipping surface with a free curved surface, and the bright dipping surface is dividedinto two regions with an outward convex arced surface and a region with an inward concave arc surface in a first axial direction, and the region with the inward concave arc surface is connected between the two regions with the outward convex arc shape surface; the minimum width of the region with the inward concave arc surface in a second axial direction and a third shaft direction is less than the maximum width of the two regions with the outward convex arc shape surface in the second shaft and the third shaft direction; and the incoming light concave part is of a concave structure which is formed at one side face, opposite to the bright dipping part, of the body so as to accommodate the LED luminous source, and the incoming light concave part is provided with an incoming light surface of which two regions at two sides in a first axial direction extend downwards in an opposite and slant mode.

The invention discloses a bottled beverage detection and sorting device. The device comprises a workbench and a supporting frame, wherein the workbench is fixedly arranged at the upper end of the supporting frame, an electric cabinet is fixedly installed at the lower end of the supporting frame, a conveying belt is arranged at the upper end of the workbench, a feeding limiting device is arranged on one side of the upper end of the workbench, and a detection box is fixedly installed at the middle position of the upper end of the workbench. According to the bottled beverage detection and sortingdevice, the horizontal position and the vertical height of a camera can be adjusted according to requirements to satisfy the daylighting requirement of the camera and the detection of various bottledbeverages, corresponding feedback can be made on detection results after detection is completed, the different detection results can be collected, the production cost can be effectively reduced, sorted products can be collected, a buffer elastic sheet can increase the friction force of falling of the bottled beverages, the situation that the bottled beverages fall directly to be broken due to gravity is avoided, a baffle is used for conveniently discharging the bottles in a bottle collecting pipe which collects bottles to be filled, and the persistent collecting and use are facilitated.

The embodiment of the invention provides a display device and electronic equipment. The display device comprises a main display area, a light-transmission display area and a first polarizer, which areconnected with each other; the first polarizer can be switched between the first state and the second state; the first state is that the first polarizer is in the light-transmission display area; thesecond state is that the first polarizer is in the main display area; when the first polarizer is in the first state and positioned in the light-transmission display area, the first polarizer can block reflection light of a circuit structure in the display device, so that influence of reflection light on the display effect of the display area is reduced; when the first polarizer is in the secondstate and positioned in the main display area, at this time, the top of the light-transmission display area is not shaded by the polarizer; external light can pass through the light-transmission display area, and directly enter a lighting component arranged below the light-transmission display area; more light enters the lighting component; lighting requirements of the lighting component can be satisfied; under-screen shooting is realized; and, the screen-to-body ratio of the display device can be greatly increased.

The invention discloses a visible light audio transmission system based on a phase-locked loop. The existing visible light audio transmission system has high running cost and maintenance cost and poor anti-interference performance. A microphone receives the outside sound, the sound is input into an analog-to-digital conversion module to convert the analog quantity to the digital quantity, and then after a modulation module modulates the digital quantity, a modulated signal is loaded to LED (Light Emitting Diode) light to be transmitted through a transmitting circuit module; a silicon photocell receives a modulated light signal and converts the modulated light signal to an electric signal through a receiving circuit module, a demodulation module demodulates the electric signals and then inputs the electric signal to a waveform shaping module, the digital quantity of the transmitting part is restored, the signal is converted to an analog audio signal through a digital-to-analog conversion module, and lastly, the analog audio signal is amplified through a power amplifier and drives a loudspeaker; and the modulation module and the demodulation module both adopt CD4046 phase-locked loops. According to the system, frequency modulation and demodulation is carried out conveniently and easily by employing the CD4046 phase-locked loops, and signal transmission is performed by employing the LED light, so that the confidentiality is good.

The invention relates to the technical field of rice planting, in particular to a cultivating method under LED artificial light environment, suitable for the whole bearing period of rice. The cultivating method comprises the following steps of (1) performing disinfection and seed soaking treatment on rice seeds, and spraying the treated rice seeds in a seedling raising tray; (2) placing the seedling raising disk in a darkroom, and performing breeding and germination acceleration; (3) after seed embryos are germinated, placing the seeds in nutritive soil of the seedling raising tray, and performing culture at 24-26 DEG C to obtain seedlings, wherein the surface illumination intensity of the nutritive soil in the tray is 150-250 [mu]mol.m<-2>.s<-1>, and the illumination period is 12-16h / d; (4) performing division transplantation on the seedlings, guaranteeing room temperature to be 24-26 DEG C, guaranteeing that the intensity of leaf surface light quanta reaches 300-450 [mu]mol.m<-2>.s<-1>, and guaranteeing that the illumination period is 12-16h / d; (5) when rice enters the young ear development period, guaranteeing that the quantity of the leaf surface light quanta reaches 500-800 [mu]mol.m<-2>.s<-1>, and guaranteeing that the illumination period is 12-16h / d; (6) when the rice of short-day variety enters the pre-blooming period, guaranteeing that the illumination period is 8-12h / d; and (7) when rice ears are mature, performing seed harvesting.

The invention relates to core-surface gradient nitrogen oxide fluorescent powder and a preparation method thereof. The fluorescent powder has the chemical formula LxSiyOZN(2 / 3)X+(4 / 3)Y-(2 / 3)Z:wR / L'xSiyOZN(2 / 3)X+(4 / 3)Y-(2 / 3)Z:wR, wherein L is at least one of Ca and Sr, L' is at least one of Ca, Sr and Ba, and R is at least one of Eu and Ce; and X is more than or equal to 0.8 and less than or equal to 1.2, Y is more than or equal to 1.8 and less than or equal to 2.2, Z is more than or equal to 1.8 and less than or equal to 2.2, and w is more than or equal to 0.01 and less than or equal to 0.1. The preparation method comprises the following steps of: 1) mixing according to the chemical formula, adding a fluxing agent, grinding, and uniformly mixing to form two kinds of mixed materials; 2) performing high-temperature roasting on the mixed materials at reducing atmosphere; and 3) partially or totally coating the roasted product L'xSiyOZN(2 / 3)X+(4 / 3)Y-(2 / 3)Z:wR by a spraying or deposition mode on the surface of a treated roasted product LxSiyOZN(2 / 3)X+(4 / 3)Y-(2 / 3)Z:wR. The excitation and emission range of the fluorescent powder is wide and can be adjusted, the lighting effect is improved, the color gamut is widened, and the fluorescent powder can be effectively used for a white light-emitting diode (LED) with a high color rendering index.

The invention relates to a modularized artificial floating island for multi-medium reinforced repair of a polluted water body and application of the modularized artificial floating island. The modularized artificial floating island comprises one or more transparent floating island frames which are sequentially communicated. Each floating island frame is internally provided with a supporting mesh plate for dividing the floating island frame into an upper layer frame body and a lower layer frame body. Each upper layer frame body is internally and sequentially filled with a base body medium layer and a filler layer from top to bottom. Each base body medium layer is provided with a planting hole led to the corresponding filler layer. A plurality of check holes are formed in the side wall, corresponding to the corresponding filler layer, of each upper layer frame body. The bottom in each lower layer frame body is laid with a substrate. A plurality of check holes are formed in the side wall of each lower layer frame body. The check holes are provided with detachable mesh. Compared with the prior art, the modularized artificial floating island has the advantages that by adopting the light base body medium layers, establishing the filler layers easy to install and replace and suitable for microorganism adhesion, establishing a complete biological system layer and the like, manufacturing time is shortened, occupied land is reduced, long-term durability and efficient pollution removal are achieved, water quality purification and landscape functions are achieved due to modularized combination, and the effect of repairing the polluted water body is good.