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14 results about "Light Cycle" patented technology

The period of light that a subject is exposed to in a period of time, usually expressed as the amount of time in a 24 hour cycle.

Regeneration seedling raising method and system for crop seedlings

The invention provides a regeneration seedling raising method and system for crop seedlings, and the method comprises the steps: extracting a balance value of growth hormone of an explant in a regeneration culture process from the combination information of a hormone receptor in the regeneration culture process of the explant, and determining a light compensation point of a target crop; performing stepped compensation on the illumination period of the target crop through the light compensation points to obtain compensation characteristics of the illumination period in the regeneration culture process; determining the adjustment interval of the seedling raising temperature of the target crop in each culture stage, and performing light-temperature coupling on the illumination intensity of the target crop according to the adjustment interval of each seedling raising temperature and the compensation characteristic of the illumination period to obtain the coupling characteristic of radiation illumination of the explant of the target crop in each culture stage; and performing staged adjustment on radiation illumination in the regeneration culture process based on each coupling characteristic. Based on the scheme, staged coupling adjustment of radiation illumination in the crop seedling culture process can be achieved.
Owner:HULUNBUIR UNIV

Intelligent illumination system for adjusting human body rhythm adaptation

The invention discloses an intelligent illumination system for adjusting human body rhythm adaptation, and the system comprises the steps: constructing a parameter regulation and control system which comprises light intensity dynamic adjustment (50-3000lx), spectrum precise configuration (400-780nm continuous adjustment) and time sequence combination control through integrating a phase advance, maintenance and delay three-mode illumination scheme; a mixed modulation mode of superposition of a sine function and a square wave is adopted to realize synchronization of an illumination period and a human body rhythm. The system is equipped with an environment-behavior evaluation module, acquires environment light parameters in real time and constructs an individual time pattern characteristic spectrum, and an intelligent decision-making system automatically selects a working mode according to the environment-behavior evaluation module: starting gradually-intensified blue light intervention during phase delay, keeping light intensity fluctuation to be less than or equal to + / -15% in a stable period, and implementing stepped attenuation regulation and control when a phase is required in advance. An innovatively designed multi-axis projection angle optimization unit (adjustable in 0-90 degrees) is combined with infrared attitude compensation to form an innovative solution of medical level rhythm intervention and human engineering optimization.
Owner:SICHUAN UNIV

Temperature and light regulation and control method for promoting rapid growth of haliotis discus hannai in circulating water culture mode

The invention discloses a temperature and light regulation and control method for promoting rapid growth of haliotis discus hannai in a recirculating aquaculture mode, and belongs to the technical field of factory recirculating aquaculture of haliotis discus hannai. In the breeding stage of the haliotis discus hannai, growth and development of the haliotis discus hannai are promoted by regulating and controlling the breeding light environment; the illumination period in the breeding period is 4 h illumination and 20 h darkness, and 24 h serves as a cycle period; the illumination intensity is maintained in a range of 6.00 + / -1.5 [mu] mol / m < 2 > / s; an illumination spectrum is a full spectrum with a main wave peak of 460 nm; the water temperature is maintained at 18-20 DEG C in the breeding period. According to the method, the light environment requirement in the breeding period of the haliotis discus hannai is met by artificially regulating and controlling the breeding environment illumination, the growth and development of the haliotis discus hannai are accelerated, and the breeding period is effectively shortened.
Owner:NINGBO UNIV

Method for regulating light environment to promote the development of female gonad of Russian sturgeon

This invention discloses a method for regulating the light environment to promote gonadal development in female Russian sturgeon, belonging to the field of aquaculture technology. By regulating light intensity and photoperiod during stages II and III of ovarian development in female Russian sturgeon, the gonadal development rate is accelerated; the daytime light intensity is 7.99±4.44 W / m². 2 / s, nighttime light intensity 4.42±0.95W / m 2 The light cycle is 18-24 hours of light followed by 0-6 hours of darkness, with artificial lighting for 4-6.3 hours, and a 24-hour cycle. By adjusting the intensity of natural daytime light and supplemental LED lighting at night, the light intensity and photocycle are modified to meet the light environment requirements of flow-through cultured female Russian sturgeon during gonadal development. This promotes the speed of gonadal development, increases the average egg diameter, reduces individual differences in gonadal development among female Russian sturgeon, and ultimately improves the productivity and economic benefits of aquaculture enterprises.
Owner:ZHEJIANG UNIV +1

Method for constructing anxiety mouse model based on terahertz waves

PendingCN120660665AAnimal husbandrySimulationNeural biology
The invention discloses a method for constructing an anxiety mouse model based on terahertz waves, relates to the technical field of anxiety animal models, and solves the problems that an anxiety animal model in the prior art depends on a behavioral test and has limitation in the aspect of accurate evaluation of a neurobiological mechanism; the related research mostly focuses on the local effect of the terahertz wave on the cells or tissues, and the system evaluation on the overall behavioristics and neurobiology influence is lacked. The method comprises the following steps: randomly distributing a plurality of mice into two groups; carrying out adaptive feeding and inverted photoperiod feeding on the two groups of mice; one of the two groups of fed mice is used as an experimental group, and the other group is used as a control group; carrying out irradiation treatment on the mice of the experimental group and the control group by constructing a platform for irradiating the mice with terahertz waves; and respectively carrying out behavioral detection of an open field experiment, an elevated cross labyrinth experiment, a three-room social experiment and a black-and-white box experiment on the mice in the control group and the experimental group after irradiation treatment, so as to solve the technical problems.
Owner:INST OF ENERGY HEFEI COMPREHENSIVE NAT SCI CENT (ANHUI ENERGY LAB)

A method for determining artificial aging time of asphalt

The present invention provides a method for determining the artificial aging time of asphalt, which relates to the field of road material detection technology and includes the following steps: obtaining original matrix asphalt with the same technical requirements as the matrix asphalt used for asphalt roads in a target area; obtaining asphalt of a first preset thickness on the surface of the asphalt road in the target area as sampling matrix asphalt; under a preset oxygen concentration environment, using an ultraviolet light source with a preset irradiation intensity to irradiate the original matrix asphalt in an alternating cycle of light cycles and dark cycles to obtain artificially aged matrix asphalt, wherein the total amount of ultraviolet radiation received by the original matrix asphalt in each light cycle is equal to the daily average total amount of ultraviolet radiation received by the sampled matrix asphalt; the method for determining the artificial aging time of asphalt provided by the embodiment of the present invention is closer to the aging process of asphalt roads in a natural environment, and the determined artificial light aging time is more accurate.
Owner:BEIJING UNIV OF CIVIL ENG & ARCHITECTURE

Method for synchronously increasing polyphenol content and flavone content in Ningxia wolfberry callus

The invention discloses a method for synchronously increasing the content of polyphenols and flavones in Ningxia wolfberry calluses, the content of polyphenols and flavones in Ningxia wolfberry calluses is synergistically increased based on LED illumination treatment and specific culture medium culture, the illumination treatment conditions are LED blue light, the ppfd value is 180-220 [mu] mol / m < 2 > / s, the illumination period is 14-18 h, the culture medium comprises MS, 0.15-0.3 mg / L NAA, 0.1-0.2 mg / L 6-BA, 30 g / L sucrose and 8 g / L agar, the pH value is 5.8-5.9, and the pH value is 5.8-5.9. The polyphenol content in the Ningxia wolfberry callus obtained by the method is increased by 1.5 times, the flavone content is increased by 4.7 times, and meanwhile, the Ningxia wolfberry callus has the characteristics of good growth state, high antioxidant activity and the like. The method can be used for researching the biosynthesis of the Ningxia wolfberry callus secondary metabolite.
Owner:JIANGNAN UNIV

Stereoscopic illumination energy-saving design method, device, equipment and storage medium

This invention relates to the field of lighting design technology, and in particular to a method, apparatus, equipment, and storage medium for energy-saving design of three-dimensional lighting. It constructs a digital twin model using spatial structure data and surface optical attribute data of a target scene. Target and constraint templates are matched according to scene type to meet complex lighting needs across multiple scenes, improving applicability. A multi-objective optimization model is constructed based on the digital twin model and target and constraint templates to optimize energy-saving solutions, minimizing energy consumption while ensuring light intensity, light quality, and light cycle. Customized optoelectronic device processing instructions are generated based on the optimal energy-saving solution, shortening the customization cycle. The actual illumination data of the target scene is compared with the simulation predictions of the digital twin model. The digital twin model is calibrated based on the comparison discrepancies. The three-dimensional lighting system undergoes full lifecycle operation and maintenance, achieving closed-loop management of the entire process from perception, design optimization, deployment, calibration to operation and maintenance, thus improving the level of intelligence.
Owner:FOSHAN UNIVERSITY

A method for controlling light during the cross-latitude transplantation of subtropical plants

The present invention provides a method for controlling light during the cross-latitude transplantation of subtropical plants, belonging to the technical field of cross-latitude transplantation of plants. The method for controlling light during the cross-latitude transplantation of subtropical plants includes: determining the light parameters of the native place of the subtropical plants, including light intensity and light cycle; comparing the light parameters of the transplantation place of the subtropical plants; determining the adjustment value of the light parameters according to the comparison result; setting the initial light parameters of the light controller according to the adjustment value; transplanting the subtropical plants into a new environment equipped with a light controller; adjusting the light intensity and light cycle of the light controller according to the plant growth index; and gradually adjusting the light intensity and light cycle to the natural light conditions of the transplantation place. The technical solution of the present invention solves the technical problems that the prior art cannot adjust the light intensity and light cycle according to the actual needs of plants and cannot achieve precise control of the light conditions at different growth stages.
Owner:CHINA CONSTR EIGHTH BUREAU DEV & CONSTR CO LTD

A rhythm light and a control system thereof

PendingCN122318048AControl systemAmbient data
This invention relates to the field of intelligent sleep aid technology, and more particularly to a circadian rhythm lamp and its control method, comprising: selecting a first time zone from a time zone database; acquiring light cycle data corresponding to the first time zone, wherein the light cycle data includes light intensity and sunrise and sunset times, and is divided into time periods according to Greenwich Mean Time (GMT) of sunrise and sunset, wherein one day constitutes one light cycle; determining a set light intensity and a set color temperature based on the light intensity and time period corresponding to the first time zone; and controlling the circadian rhythm lamp to adjust the light intensity based on the set light intensity and set color temperature. This invention can improve the user's sleep quality by selecting a specific time zone and combining it with the light environment data of that time zone for light adjustment.
Owner:PANKE RHYTHM (SUZHOU) BIOTECHNOLOGY CO LTD

Light cycle adjustment method and system based on dynamic adaptation of plant growth stage

PendingCN122423432AGrowth plantPlant factory
The present application relates to the technical field of plant factory light environment regulation, and discloses a light period regulation method and system based on dynamic adaptation of plant growth stages, which comprises the following steps: executing an interlayer spectral crosstalk calibration sequence to generate an interlayer spectral crosstalk transmission coefficient tensor; identifying the growth stages of plants in each layer, retrieving growth stage adaptation target light period parameter groups; collecting chlorophyll fluorescence kinetic parameters and decomposing direct and crosstalk spectral components to generate a photosynthetic response dataset grouped by varieties; independently training a spectral sensing Gaussian process regression model for each variety; executing multi-objective constraint Bayesian optimization to generate a set of Pareto optimal light period candidate schemes; and outputting the scheduling scheme to each layer of light controllers for synchronous execution; the present application solves the technical problem of light period parameter misalignment caused by interlayer light crosstalk in multi-layer vertical planting racks.
Owner:CHAOPAI INFORMATION TECHNOLOGY (WUXI) CO LTD

Anti-stress breeding method for Pseudosciaena crocea fries of sal family

The invention provides an anti-stress breeding method for Pseudosciaena crocea fries of the sal family, and belongs to the technical field of aquaculture. A bright light period in a light period is divided into three stages: in the first stage, the light intensity is set to be 200-300 lux, the color temperature is set to be 4800-5200 K, the water flow speed is set to be 0.09-0.12 m / s, and sound wave stimulation 1 is matched; in the second stage, the light intensity is reduced to 130-160 lux, the color temperature is reduced to 3800-4200 K, and the water flow speed is slowed down to 0.06-0.08 m / s; in the third stage, the light intensity is reduced to 80-110 lux, the color temperature is reduced to 3300-3600 K, the water flow speed is reduced to 0.05 m / s, and sound wave stimulation 2 is matched; in the dark light period, illumination, water flow and sound wave stimulation are closed, and a dark environment without light and sound is created. The method can effectively reduce the fry death rate in the initial breeding stage, improve the breeding success rate and promote healthy growth of the fry.
Owner:GUANGDONG OCEAN UNIVERSITY

Method and system for improving algal oil yield based on circadian rhythm light regulation and control

The invention provides a method and a system for improving algal oil yield based on circadian rhythm light regulation and control, and belongs to the technical field of algal oil production, and the method comprises the following steps: a first illumination program: the ratio of light to dark of an illumination period is (12: 12)-(20: 4); after the concentration of the indication nutritional factors in the culture medium is consumed to a set threshold value, switching to a second illumination program: the ratio of brightness to darkness of an illumination period is (6: 18)-(10: 14), and carrying out illumination by adopting ultra-high-light-intensity pulsed light and medium-low-light-intensity recovery light alternately and circularly; and after the content of the grease in the culture medium enters the plateau stage, switching to a third illumination procedure: the ratio of light to dark in the illumination period is (4: 20)-(8: 16), culturing for 12-48 hours, and then harvesting the grease. The invention provides a multi-stage dynamic light regulation and control strategy matched with the growth stage and the internal circadian rhythm of microorganisms, efficient cooperation of biomass accumulation and grease synthesis is realized, the tradeoff relation between growth and grease accumulation in the traditional technology is finally broken through, and the illumination energy consumption is greatly reduced.
Owner:HUBEI ENG UNIV

Leiocassis longirostris artificial induced spawning photoperiod regulation and control device and method

The invention relates to the technical field of Leiocassis longirostris breeding, and discloses a Leiocassis longirostris artificial induced spawning photoperiod regulation and control device and method.The Leiocassis longirostris artificial induced spawning photoperiod regulation and control device comprises a water tank, a bottom plate fixed to the bottom side of the water tank and mounting plates fixed to the two ends of the bottom plate, a push plate is slidably connected to the interior of the water tank, a plurality of sliding connection grooves are formed in the push plate, and connecting rods are slidably arranged in the sliding connection grooves in a penetrating mode; the connecting rods are provided with threaded grooves, connecting rods are arranged in the two ends of the threaded grooves in a threaded penetrating mode, loading blocks sliding in the water tank are arranged on the two sides of the push plate, and a plurality of connecting grooves corresponding to the connecting rods are formed in the sides, close to the push plate, of the loading blocks. According to the Leiocassis longirostris breeding device, Leiocassis longirostris needing spawning induction can be bred, illumination can be provided for bred Leiocassis longirostris, the irradiation light source can be turned on and turned off according to spawning induction requirements, the corresponding position of the light source can be regulated and controlled, workers can conveniently inject spawning induction medicine to the Leiocassis longirostris needing spawning induction, the time for picking up the Leiocassis longirostris by the workers is shortened, and the working efficiency is improved. Time and labor are saved.
Owner:ANHUI AGRICULTURAL UNIVERSITY