112 results about "Chlorophyllin" patented technology

This invention belongs to the field of post-harvest quality testing technology for agricultural products, specifically relating to a method for predicting the degree of chilling injury in bitter gourd. The method uses *Bitter Gourd 'Du Ruan'* as the research object, employing segmented pre-cooling treatment to measure indicators such as chilling injury index, respiration rate, weight loss rate, firmness, chlorophyll content, malondialdehyde content, and antioxidant enzyme activity during storage. This determines suitable pre-cooling conditions, explores the impact of different pre-cooling settings on its physiological quality and chilling injury development during storage, and constructs a bitter gourd chilling injury prediction model based on key indicators. The method for predicting the degree of chilling injury in bitter gourd provided by this invention offers a theoretical basis and technical support for optimizing post-harvest cold chain processes for bitter gourd, mitigating low-temperature damage, and extending shelf life.

This invention belongs to the field of functional food processing technology, specifically relating to a method for improving the flavor of a chlorophyll-deficient Chlorella proteoglycan mutant. The method includes the following steps: S1, obtaining a Chlorella proteoglycan mutant strain; S2, centrifuging the Chlorella proteoglycan mutant strain and collecting the algal sludge, then pulverizing the collected algal sludge and dispersing it in water to obtain an algal powder suspension, then adding a compound enzyme to the algal powder suspension, and inactivating the enzyme after the reaction; S3, cooling the system to room temperature, adding glucose and stirring to dissolve, sterilizing, inoculating with a compound bacterial strain and fermenting, and sterilizing again after fermentation; S4, cooling the fermented system to room temperature, then adding β-cyclodextrin and stirring, and drying the system after stirring to obtain the algal protein product. This invention employs a synergistic process of compound enzymatic hydrolysis, compound bacterial fermentation, and β-cyclodextrin encapsulation to remove the off-flavor of the mutant algae from the source, significantly improving the flavor and enhancing the product's storage stability.

The present application relates to the field of intelligent feeding technology for aquaculture, in particular to a benthic single-looped spoonworm intelligent feeding method and system based on multi-modal fusion, comprising: acquiring visual perception signals and bottom monitoring signals of the breeding environment; during the water static period when aeration is suspended, collecting a fluorescence image of chlorophyll-containing feed by blue light excitation combined with a red filter and calculating the feed consumption rate to obtain a basic feeding amount; fusing the bottom oxidation-reduction potential, the fluorescence method dissolved oxygen decay slope and the ammonia nitrogen ion concentration parameters to calculate the bottom carrying capacity coefficient; determining the bottom state grade through a multi-parameter weighted matrix containing safe state, pressure state and collapse state, matching the corresponding upper limit of the feeding amount, taking the smaller value of the basic feeding amount and the upper limit as the actual feeding amount and driving the feeding device to work. This method can accurately calculate the feed consumption rate and dynamically constrain the feeding amount in combination with the bottom state, which is suitable for the feeding control requirements of single-looped spoonworm benthic culture.

The present application relates to the technical field of water environment treatment and ecological restoration, and discloses a water transparency improving device and method based on an intelligent linkage dosing system, the water transparency improving device based on the intelligent linkage dosing system comprising a water transparency sensor, a suspended substance concentration sensor, a chlorophyll a sensor, a data acquisition and discrimination module, a medicament dosing control module, a medicament storage and dosing module and a medicament spraying module; the water transparency sensor, the suspended substance concentration sensor and the chlorophyll a sensor are arranged in a target water body; the data acquisition and discrimination module is connected with the water transparency sensor, the suspended substance concentration sensor and the chlorophyll a sensor respectively; the medicament dosing control module is connected with the data acquisition and discrimination module and the medicament storage and dosing module respectively; and the medicament storage and dosing module is connected with the medicament spraying module. The present application realizes intelligent and automatic improvement of water transparency.

The present application relates to a kind of lake reservoir type chlorophyll concentration prediction method, device and medium, method includes the following steps: obtaining the water quality, water dynamics and weather of the online automatic monitoring data of lake reservoir including forecast point and upstream point;The online automatic monitoring data is preprocessed, and the data after processing is obtained;The data after processing is carried out feature extraction to obtain the water quality feature and water dynamics index feature of forecast point and upstream point, and construct cumulative illumination feature;Upstream water quality feature, water dynamics index feature and illumination feature are input into the fusion prediction model pre-trained, to obtain upstream transport chlorophyll prediction result and time series influence chlorophyll prediction result, using error reciprocal method upstream transport chlorophyll prediction result and time series influence chlorophyll prediction result are fused;The chlorophyll prediction result obtained by fusion is output.Compared with prior art, the present application has the advantages of high accuracy, strong stability and the like.

This invention presents a method for retrieving chlorophyll a concentration in surface water based on satellite remote sensing. The method acquires remote sensing images from a satellite that match the acquisition time of the water quality data. Based on the spectral information extracted from these images, a new grayscale image is generated. A grayscale co-occurrence matrix (HCEM) is calculated from this new image. The HCEM is then used to mine the texture features contained in the remote sensing images, and each texture feature is quantified. This results in a significantly improved model performance compared to models trained solely using spectral information. Furthermore, with the same amount of raw data, this invention achieves higher accuracy, which is beneficial for the precise measurement of surface water eutrophication.

This invention relates to the field of intelligent control technology for tea processing, specifically to an adaptive optimization control method and system for tea processing parameters. The method involves performing near-infrared spectral scanning and hyperspectral imaging on incoming fresh leaves to obtain feature vectors; using a reaction kinetic model combining catechin enzymatic oxidation, chlorophyll demagnesiation, and amino acid thermal degradation with a data-driven residual correction network to calculate the state vectors of internal components; and having a near-end strategy optimization agent output the combined adjustment values ​​for the withering hot air temperature, rolling speed, and drying air inlet temperature, which are then sent to the processing equipment controller for execution. Through cross-process quality state transmission, the withering, rolling, and drying processes are linked for coordinated control. This invention dynamically tracks the state of internal components at the chemical reaction level, solving the technical problem of large quality fluctuations under heterogeneous fresh leaf conditions in existing lookup-based process parameter schemes.

This invention discloses a chlorophyll concentration profile inversion method based on a physical information neural network, belonging to the field of physical information machine learning technology. It is used for chlorophyll concentration profile inversion, including acquiring marine optical profile observation data to form observation sample data, and performing fractional standardization on the observation sample data; constructing and training a physical information neural network model, destandardizing the predicted data, and constructing a physical constraint loss function; inputting the data to be inverted into the trained physical information neural network model, and calculating the chlorophyll concentration profile using the model's predicted values. This invention constructs a physical information neural network model and introduces a physical constraint loss function to ensure that the inverted absorption coefficient, backscattering coefficient, and irradiance profile conform to the light transmission law in water, avoiding physical anomalies generated by purely data-driven methods, and achieving cross-domain inversion from apparent optical quantities to intrinsic optical quantities without the need for step-by-step calculations or intermediate parameter estimation.

This invention belongs to the field of organic agriculture, specifically a biological agent for promoting wheat photosynthesis and its preparation method. Addressing the problems of existing biological agents having relatively simple components, low absorption and utilization efficiency by wheat ears, and a tendency to reduce nitrate reductase activity, nitrogen utilization, and chlorophyll content in wheat leaves, the following solution is proposed: the biological agent comprises the following raw materials in parts by weight: 50-65 parts of yield-enhancing amine, 15-20 parts of choline chloride, 10-15 parts of diethylaminoethanol hexanoate, 5-10 parts of brassinolide, 3-5 parts of p-chlorophenoxyacetic acid, 1-3 parts of calcium diphenylureasulfonate, 2-5 parts of trace agents, and 2-4 parts of ethylene glycol styraldehyde. The biological agent of this invention can promote better photosynthesis in wheat, enhance nitrate reductase activity, and improve nitrogen utilization.

The present application belongs to the technical field of frozen vegetable processing, and specifically provides a green-protecting and browning-preventing method for frozen vegetables, which comprises the following steps: washing fresh vegetables after cutting or without cutting; blanching the washed vegetables in weak alkaline electrolytic water, cooling the blanched vegetables, soaking the cooled vegetables in a color-protecting soaking solution, then draining, quick-freezing, sub-packaging, and finally freezing and storing. The green-protecting and browning-preventing method has the dual synergistic effect of weak alkaline electrolytic water blanching and endogenous peroxidase inhibitor soaking color protection, thereby improving the stability of chlorophyll, inhibiting the activity of residual peroxidase, and inhibiting the enzymatic browning of frozen vegetables, so that the color quality of green vegetables can be maintained during long-term freezing and storage, which meets the green and healthy concept and is easy to popularize and apply.

The present application relates to water and fertilizer management technical field, specifically to a kind of agricultural water and fertilizer management method and system based on cloud platform, including the following steps, utilize sensor to collect crop image and extract chlorophyll and leaf area characteristics, analyze variation rate to determine crop growth process and time sensitivity, construct index type dynamic weight mapping relationship, task resource coupling index is calculated in combination with cloud node load and fertilization data fluctuation, based on index task sequencing and execution time delay deviation compensation, generate water and fertilizer management instruction.In the present application, by fusing multi-dimensional morphological features and environmental load data to construct a dynamic control model, a nonlinear correlation between crop demand and execution weight is established using an exponential function mapping mechanism, precise perception of crop growth demand and adaptive optimization of task execution timing are achieved, the task queue is flexibly adjusted according to the resource coupling state, resource competition conflicts are effectively avoided, and the efficiency of water and fertilizer collaborative management is improved.

This invention provides a process for extracting biliverdin hydrochloride through bio-fermentation and a method for synthesizing bilirubin. By studying the complex system of biliverdin obtained through microbial bacterial fermentation, a process for separating and purifying biliverdin was established, and the obtained biliverdin was further used to synthesize bilirubin. This process is simple to operate, uses common resins, employs solvents with low toxicity that are easily recovered and reused, utilizes low-energy membrane separation equipment for concentration, and uses conventional reaction reagents as reducing agents. The process has low operating costs, is environmentally friendly, and yields high-purity and stable-yield biliverdin and bilirubin products, demonstrating excellent prospects for industrial application.

The application discloses a method for rapidly deducing the denitrification rate of lake sediments by using water chlorophyll, which comprises the following steps: (1) determining the water chlorophyll concentration of the corresponding point of the sediments; (2) selecting a segmented numerical model: according to the measured water chlorophyll concentration and the corresponding sediment denitrification rate, the parameters in the segmented numerical model are fitted to obtain the segmented numerical model; (3) deducing the denitrification rate of the sediments: the chlorophyll concentration is substituted into the selected numerical model to deduce the denitrification rate of the sediments. The application is aimed at the problems that the existing determination operation of the nitrification-denitrification coupled denitrification rate of the sediments is complicated, time-consuming and not suitable for large-scale sample determination, and provides a method for rapidly deducing the denitrification rate of the sediments by using water chlorophyll. The method for directly deducing the denitrification rate by using the easily measured index is simple, feasible and beneficial to high-frequency multi-point data acquisition.

The present application relates to a kind of high efficient stable perovskite solar cell based on chlorophyll derivative and preparation method thereof, belong to perovskite solar cell technical field.Solve the problem that the photoelectric conversion efficiency and stability of existing perovskite solar cell still need to be further improved.The perovskite solar cell of the present application includes transparent conductive glass anode, hole transport layer, chlorophyll derivative lower layer containing trifluoroacetate and central copper ion, perovskite layer, chlorophyll derivative upper layer containing trifluoroacetate and central copper ion, electron transport layer, hole blocking layer and metal cathode in turn from bottom to top.The present application sets up chlorophyll derivative layer as interface modification layer by being arranged in the upper and lower of perovskite layer, and by selecting suitable chlorophyll derivative containing trifluoroacetate and central copper ion as chlorophyll derivative layer material, further improve the photoelectric conversion efficiency and stability of perovskite solar cell, and its photoelectric conversion efficiency is as high as 26.34%.

The application discloses a kind of forest land monitoring evaluation method and system of multi-source data, which comprises the following steps: collecting point cloud data and pretreatment by installing laser radar equipment on forest land;Point cloud data is divided into height interval in vertical direction z axis, and canopy profile is calculated;The overlapping area ratio is calculated by the canopy profile between each adjacent layer, and the gap characteristic layer is screened out by the overlapping area ratio;The point cloud of dense area in the gap characteristic layer is sampled, and a symmetric distance matrix is constructed;The fractal dimension is calculated based on the point cloud distance in the symmetric distance matrix;The light source intensity of canopy penetration is calculated by fractal dimension;The chlorophyll content is calculated by light source intensity and fractal dimension;The chlorophyll content of different height intervals of the same single tree of forest land is compared by the chlorophyll content of the height interval, so as to obtain the evaluation result of chlorophyll content between different regions of forest land.

This invention discloses a method for refining and desalting belladonna fluid extract, relating to the field of traditional Chinese medicine pharmaceuticals. Belladonna grass is pulverized through a 24-mesh sieve to form coarse powder. The powder is percolated using ethanol as a solvent to obtain a primary belladonna extract. The ethanol is recovered from the primary extract, and the extract is cooled to room temperature. Chlorophyll is removed by separation using a ceramic membrane. The extract is then filtered, and the filtrate is concentrated using an organic nanofiltration membrane to remove salts. The membrane filtrate is further concentrated under reduced pressure to a thick paste. Seven times the volume of ethanol is added and stirred until homogeneous. The mixture is allowed to stand until complete precipitation. The supernatant is collected, and the ethanol is recovered and concentrated to a thick paste. Based on the content determined in the thick paste, an appropriate amount of 85% ethanol is added, and the mixture is diluted with water to prepare a finished belladonna fluid extract product conforming to pharmacopoeia standards. This method is stable and reliable, avoids high-temperature degradation of the active ingredients, effectively removes impurities from the belladonna fluid extract, and prevents salt precipitation in the finished product. This ensures its efficacy and medication safety, and has broad market application prospects.

The present application provides a kind of transcription factor PpeNAC33 for regulating plant growth and development and chlorophyll degradation, nucleotide sequence is as shown in SEQ.ID.NO.2, amino acid sequence is as shown in SEQ.ID.NO.3.The present application also provides the vector based on the above-mentioned transcription factor, engineering strain.Meanwhile, the application of the above-mentioned transcription factor PpeNAC33 in regulating plant growth and development and chlorophyll degradation is provided.The present application finds a NAC transcriptional regulatory factor PpeNAC33 in the transcriptome analysis of seed abortion peach fruit.Studies have shown that the transcription factor is a key transcription factor for regulating plant growth and development and chlorophyll degradation, and its expression can be accurately regulated by space-time and expression amount, which can be used to realize the accurate control of plant growth process and avoid the occurrence of plant fruit premature aging.

This invention belongs to the field of ecological environment monitoring technology and relates to a multi-level bioindicator method for the effective phytotoxicity of heavy metal-like substances / heavy metals. The method includes the following steps: S1. Obtaining plant samples affected by the soil or water body to be tested; S2. Measuring the activity of superoxide dismutase (SOD), gibberellin (GA), and chlorophyll content in the plant samples; S3. Based on the measured results of SOD activity, plant hormone content, and chlorophyll content, and their changes over time, classifying and assessing the effective phytotoxicity effects of heavy metal-like substances or heavy metals. This invention is the first to propose a unified three-level bioindicator method (SOD activity, GA hormone, and chlorophyll) that can effectively reflect soil pollution levels for typical heavy metal-like substances / heavy metals present in the actual environment, enabling a simpler assessment of the degree of heavy metal pollution in actual soil.

The useful solution refers to a naturally occurring chlorophyll-rich preparation for animal feed, in which the preparation has a high natural chlorophyll content produced from natural chlorophyll leaves, consisting of 70% by weight of dried chlorophyll leaves mixed with 30% by weight of dried chlorophyll young shoots. In this process, 70% of fresh bamboo leaves and 30% of fresh bamboo shoots by weight are dried using the heat of gas-powered heating elements in two stages: the first drying stage is carried out for 15 to 18 hours at a temperature of 50 to 60°C, and the second drying stage is carried out for 15 to 18 hours at a temperature of 30 to 40°C; followed by natural cooling and grinding to a predetermined size depending on the type of livestock.

The application discloses a water body chlorophyll concentration profile inversion method and a laser radar detection method, wherein the inversion method comprises the following steps: obtaining laser radar detection echo signals at a specific depth in a target area, which comprises a fluorescence channel and a Raman channel; expressing a backscattering signal profile of the fluorescence channel as a function comprising a fluorescence backscattering coefficient; expressing a backscattering signal profile of the Raman channel as a function comprising a Raman backscattering coefficient; normalizing the backscattering signal profile function of the fluorescence channel with the backscattering signal profile function of the Raman channel to obtain a normalized signal; inverting the fluorescence backscattering coefficient based on a perturbation method; inverting a chlorophyll fluorescence absorption coefficient at a specific laser wavelength based on the inverted fluorescence backscattering coefficient; and inverting a chlorophyll concentration profile in the water body based on the inverted chlorophyll fluorescence absorption coefficient. The inversion method can invert the water body chlorophyll concentration profile from one measurement.

A system for the manufacture of pharmaceutical formulations for the treatment of diabetes and diabetic neuropathy, comprising: a) an extraction unit for producing an ethanolic extract from shade-dried leaves of Moringa oleifera Lam. and Bacopa monnieri Linn., and defatting the dried, crushed leaves with petroleum ether to remove lipids and chlorophyll; b) a fractionation unit configured to fractionate the ethanolic extract with ethyl acetate to obtain the ethyl acetate fraction; c) a phytosome preparation unit for the production of phytosomes using antisolvens precipitation technology, wherein the phytosome preparation unit comprises the following: • an ultrasonic device for sonicating a mixture of ethyl acetate fraction and phosphatidylcholine, • a heating device configured to heat the sonicated mixture below 40 °C, and • a condensation device configured to condense solvents into a complex film; and d) a formulation unit configured to incorporate the phytosomes into pharmaceutical dosage forms.

This invention discloses the application of the cotton GhATHB-7 protein and its encoding gene in regulating plant salt tolerance. This invention is the first to identify the association between the cotton GhATHB-7 protein and its encoding gene and salt stress, and confirms that silencing this gene reduces the salt stress tolerance of cotton. This invention also discovers and demonstrates for the first time that the cotton GhATHB-7 protein enhances plant salt tolerance by increasing the membrane lipid peroxidation product MDA and reducing chlorophyll used for photosynthesis. The cotton GhATHB-7 protein and its encoding gene regulating plant salt tolerance in this invention have important value in enhancing plant salt tolerance and in breeding.

This invention relates to the field of optical monitoring technology for water environment, and discloses a method for analyzing and characterizing eutrophication components of water bodies based on hyperspectral feature inversion. The method includes: retrieving the intrinsic absorption spectrum sequence of pure water as a physical constraint benchmark; calculating the ratio of the hyperspectral reflectance to be measured to the benchmark to generate a modulation vector; determining the fractional-order differential sequence related to the sampling wavelength; extracting trough features through morphological baseline correction; completing the fractional-order differential transformation by combining the order sequence; extracting the characteristic trough depth and skewness parameters; and outputting the concentrations of chlorophyll a and colored soluble organic matter using an unmixing model. This invention utilizes the benchmark to drive the dynamic evolution of the differential operator, achieving topological separation of the scattering background and trace component absorption characteristics in different bands, suppressing local waveform distortion caused by background scattering heterogeneity, and improving the accuracy of component inversion under complex matrices.

This invention discloses a neutron shielding material with a biomimetic chlorophyll structure and its preparation method, belonging to the field of artificial fiber technology. The method includes: S1, surface hydrophobic modification of boron-containing compounds and transition metal carbon / nitrides using a bifunctional silane coupling agent; S2, preparation of a core layer suspension containing modified powder and a shell layer solution containing a hydrophobic polymer; S3, construction of a wet precursor fiber membrane with a core-shell structure using coaxial electrospinning; S4, induction of solvent directional crystallization through directional temperature gradient field cryogenic treatment, followed by sublimation drying to form a biomimetic layered porous structure inside the core layer; S5, heat treatment to solidify the biomimetic layered structure. This invention solves the interfacial compatibility problem between inorganic fillers and organic matrices through the synergistic effect of interfacial chemical modification and biomimetic structural regulation, achieving spatially ordered arrangement of functional components. The resulting material possesses excellent lightweight properties, structural stability, and neutron shielding effectiveness.

The application belongs to the technical field of bioactive substance preparation and agricultural application, and discloses a beta-amino butyric acid, a whole cell conversion preparation method thereof and application thereof. The method uses Paenibacillus halophilus as a catalyst to perform biological conversion in a reaction system containing a substrate, so as to obtain the beta-amino butyric acid. The method has mild reaction conditions, the bacterial cells can be repeatedly used, the conversion rate is high, and the green, efficient and low-cost production of the beta-amino butyric acid is realized. The application also provides application of the beta-amino butyric acid prepared by the above method in improving salt stress resistance of crops and in plant disease control as a pesticide synergist. Experiments show that the beta-amino butyric acid can significantly alleviate the inhibition of salt stress on the growth of wheat, and improve the chlorophyll content and biomass accumulation; the beta-amino butyric acid has a synergistic effect on grape diseases when used in combination with anilazodifen and fluoroacetamide, and meanwhile, the fruit quality and storage resistance are improved.

The application discloses a kind of chlorophyll relative content prediction method and system based on multispectral image, the method includes: obtaining multi-source data;According to environmental data, determine phenological period category and environmental stress category, and determine comprehensive scene mode accordingly;Environment data and multispectral image are extracted, and vegetation index feature, texture feature and environmental feature are obtained;According to comprehensive scene mode, scene self-adapting interpolation is carried out;According to environmental feature, vegetation index feature correction parameter is generated, and vegetation index feature is dynamically corrected;The corrected feature is constructed as multi-source time series feature sequence, multi-source time series feature sequence is weighted and fused, and input prediction model, and the chlorophyll relative content prediction value is obtained.The system includes data acquisition module, scene mode determination module, feature extraction module, feature processing module and prediction module.The application can be widely applied in the field of agricultural information technology.

The application discloses a kind of synthetic functional microbial inoculants and its application in salt-tolerant growth promotion of wheat, adopt hydrophobic gordon's bacteria ( Gordonia hydrophobica ), odyssey lysine bacillus ( Lysinibacillus odysseyi ), sea bed motility microorganism ( Planomicrobium okeanokoites ), north China broussonetia yellow color bacterium ( Luteimonas huabeiensis ), epidermis brevibacterium ( Brevibacterium epidermidis ) five strains of bacteria, microbial inoculant has no antagonism between strains, salt-tolerant, and other significant characteristics such as viable count, can significantly promote spring wheat germination rate, seedling length and root length, and has significant promoting effect on seedling length and root length of winter wheat.Under salt stress conditions, the microbial inoculant can significantly improve the activities of catalase, peroxidase and superoxide dismutase of wheat, and the total chlorophyll content;after treatment with the microbial inoculant, the contents of malondialdehyde and proline of wheat are significantly reduced.The microbial inoculant plays a promoting and protecting role in the process of resisting salt stress of spring wheat and winter wheat, and has an impact on the development and sustainable development of arid region agriculture.

The application belongs to the field of pharmaceutical products, and particularly relates to a squalene modified polyphenol-chlorophyll flexible nanoliposome as well as a preparation method and application thereof. An organic phase containing phospholipid substances, squalene and the like is prepared, a lipid film is obtained through rotary evaporation and vacuum drying, and the lipid film is hydrated with a polyphenol buffer, ultrasonicated and extruded through a filter membrane to obtain the nanoliposome. The nanoliposome promotes scarless wound healing through three mechanisms of antioxidation, antibiosis and anti-fibrosis, has skin affinity and super-flexible penetration properties, and has excellent stability and transdermal properties, and can be used for preparing wound repair and drug delivery drugs, and has a wide application prospect.