12 results about "Cladophora" patented technology

This invention, entitled "A Physical Control Method for the Abnormal Proliferation of Cladosporium and Its Application," belongs to the field of algae control technology in water environmental protection. The technical problem to be solved is the lack of technical means, poor adaptability of existing methods, unsatisfactory and unsustainable algae control effects, and easy recurrence in the control of Cladosporium. The key points of the technical solution are a physical control method, including the following steps: Step 1: Cladosporium is mechanically destroyed to obtain pretreated Cladosporium; Step 2: Energy deprivation is applied to the pretreated Cladosporium; the mechanical destruction mentioned in Step 1 refers to a physical method that can damage the cells of Cladosporium; the energy mentioned in Step 2 includes at least one of light and nutrients.

The invention relates to the technical field of feed and feed additives. The invention provides an astaxanthin-rich cladophora sp. SYSU-A2024-1, the classification name of the cladophora sp. SYSU-A2024-1 is Oedacladium sp.SYSU-A2024-1, the cladophora sp. SYSU-A2024-1 is preserved in China Center for Type Culture Collection on June 3, 2024, the preservation address is Wuhan University, Wuhan, China, and the preservation number is CCTCC NO: M 20241138. The invention also provides a composition containing the cladophora sp. SYSU-A2024-1 and the chrysophyta laminarin, and an application of the composition in preparation of a low-fish-meal feed for aquatic animals. The trachinotus ovatus low-fish-meal feed containing the composition prepared by the invention can more comprehensively improve the lipid utilization rate of trachinotus ovatus, relieve oxidative stress and inflammatory injury, improve the liver health of fish bodies and remarkably improve the growth performance of the fish bodies through synergistic interaction, thereby ensuring the health and vitality of the fish bodies.

The invention discloses a method for extracting an extracellular polymeric substance from cladophora, belongs to the field of biotechnology and natural product extraction, and particularly relates to a method for extracting the extracellular polymeric substance from cladophora by culturing initial cladophora through a microalgae culture medium to obtain a cladophora frond and then extracting the cladophora frond through an extraction process to obtain the extracellular polymeric substance. The extraction process comprises a close binding type EPS extraction process, the close binding type EPS extraction process adopts temperature gradient control enzyme-heat synergistic extraction, the extraction temperature is 20-40 DEG C, and the enzyme is cellulase. The method for extracting the extracellular polymeric substance from cladophora has the advantages of high EPS extraction amount, high polysaccharide content in EPS, high biological activity and good extraction effect.

The invention relates to the technical field of river treatment, in particular to a biological control device considering hydrodynamic conditions, which comprises a walking mechanism, a base, an identification unit and an adjusting assembly, the walking mechanism is arranged on the base, and the walking mechanism is used for driving the base to move; the identification unit is arranged on the base and is used for identifying a cladophora growth area; the adjusting assembly is arranged on the base and can spray water flow in the cladophora growth area in the water flow direction so as to increase the water flow speed of the cladophora growth area. According to the invention, the area is not suitable for the growth of cladophora by changing the water flow, so that the effect of treating cladophora is achieved.

This application discloses the application of the EDS1 protein and its encoding gene in regulating plant disease resistance, belonging to the field of genetic engineering technology. The technical problem this application aims to solve is: how to regulate clubroot resistance in plants. To this end, this application provides the application of the EDS1 protein, or substances regulating the expression of the EDS1 protein encoding gene, or substances regulating the content of the EDS1 protein, in regulating plant clubroot resistance; the EDS1 protein can be a protein with the amino acid sequence being sequence 2. This application is the first confirmation of EDS1's participation in the *Cladophora brassicae* infection cycle, and the obtained susceptible materials can be utilized as a potential breeding resource. The discovery and enrichment of breeding resources will greatly accelerate the breeding process of clubroot-resistant cruciferous plants and strengthen disease control. Furthermore, clubroot resistance can be achieved by overexpressing EDS1 in cruciferous plants through transgenic or other means.

The application belongs to the technical field of land pesticide residue degradation, and particularly relates to a preparation for reducing pesticide residues and application of cladophora in reducing pesticide residues. Scenedesmus obliquus It is found that the cladophora can effectively degrade four typical pesticides of atrazine, thiamethoxam, cypermethrin and nicosulfuron, has wide applicable temperature (such as 5 DEG C to 30 DEG C), short action time, high safety and low cost.

The invention discloses a scenedesmus growth prediction method and system based on multi-source data fusion and a medium, and belongs to the field of data processing, and the method comprises the following steps: obtaining multi-source data of scenedesmus; performing quantification processing on the environmental stress data to obtain a microalgae stress inhibition coefficient, and constructing an environmental stress vector according to the microalgae stress inhibition coefficient and the environmental stress data; performing quantitative processing on the biological effect data to obtain a microalgae stress inhibition coefficient, and then determining a total effect coefficient; constructing a growth environment vector according to the growth environment data, and constructing a biological effect vector according to the biological effect data and the total effect coefficient; fusing the growth environment vector, the biological effect vector and the environmental stress vector to obtain a fusion vector; the real growth data and the real survival rate corresponding to the multi-source data of scenedesmus are obtained to construct a training set, and then a preset deep learning network model is trained to obtain a trained model. According to the invention, the prediction precision of scenedesmus growth is improved.

The invention provides a comparison device and method for Ruditapes philippinarum breeding population and family growth. The comparison device comprises a plurality of breeding barrels arranged in parallel, water inlet pipes and water quantity control valves arranged above the barrels, water outlets formed in the bottom ends of the barrels, and sunshade nets with the opening degree capable of being adjusted, and the inner ends of the water outlets are connected with insertion pipes, and the outer ends of the water outlets are connected with drainage pipes. In the use process, different Ruditapes philippinarum breeding groups and families are put into the barrels respectively, sea water in the bait pond is pumped into the breeding barrels through the water pump, the flow of the breeding barrels is adjusted, the water level of the breeding barrels is controlled through the insertion pipes, sea water in the breeding barrels flows back to the bait pond through the drainage pipes, and growth of moss such as cladophora and hydrocystis is controlled through the sunshade net. The bullacta exarata and the bamboo hat shell are put into the breeding barrel to control humus and attached algae on the bottom and the wall of the barrel. By means of the method, it can be guaranteed that breeding groups and families are mutually independent and breeding conditions are consistent, the comparability and reliability of Ruditapes philippinarum breeding groups and family growth data are improved, and the survival rate of offspring seeds is increased.

The invention belongs to the technical field of resource environmental protection, and discloses a water quality purification and recycling method based on macroalgae. The method comprises the following steps: constructing a macroalgae ecological bed in a water body between a reclaimed water discharge port of a sewage treatment plant and the upstream of a reclaimed water supply target river and lake; the reclaimed water discharged from the reclaimed water discharge port of the sewage treatment plant is purified by the macroalgae ecological bed and then is discharged into the reclaimed water supply target river and lake; the macroalgae are at least one of benzylothrix, hydrocystis and cladophora. The method can systematically solve the core problems of high recovery cost, harsh field planting conditions, high recycling difficulty and the like in the traditional biological treatment, and provides a new path with a wide prospect for the treatment and resource recycling of eutrophic water bodies.

The invention relates to the technical field of data processing, in particular to an intelligent cladophora organic fertilizer production system based on the Internet of Things. Obtaining change relevance according to the temperature and the mean value sequence of the influence factors; obtaining a trend characteristic value according to the mean value sequence, and carrying out difference on the monitoring data time sequence to obtain a target sequence; carrying out wavelet transform on the target sequence after interpolation to obtain different component signals; obtaining component importance according to the energy intensity characteristics of the component signals; obtaining a component correlation characteristic value according to the component importance degree, the temperature and the component signal corresponding to the influence factor; and obtaining a final correlation characteristic value of the influence factor according to the component correlation characteristic value and the component importance degree. According to the invention, temperature prediction is carried out according to the final correlation characteristic values of all target sequences and influence factors; and the temperature in production is controlled according to the predicted temperature, so that the accuracy of temperature prediction is improved, and the temperature in the production process is kept in a reasonable interval.

The application provides a remote sensing identification method and device for different growth period of Cladophora. After obtaining the Cladophora region in the remote sensing water area image under the growth environment of floating Cladophora, the floating Cladophora index of each pixel in the floating Cladophora region can be obtained based on the measured spectrum data of the growth environment of floating Cladophora, so as to accurately identify the floating Cladophora region in the floating Cladophora region and / or the floating growth period Cladophora region based on the comparison result of the floating Cladophora index and the floating classification threshold. Through the quantitative identification of the floating Cladophora in different growth periods, the spatial distribution of the floating Cladophora in different growth periods is accurately determined, and the remote sensing automation and business monitoring of the floating Cladophora in different growth periods in the lake are promoted.

The application (named: a class of diaminobenzoquinone derivatives, preparation and algaecidal purposes thereof) relates to 29 kinds of diaminobenzoquinone derivatives, a preparation method thereof, and an algaecidal purpose. 2-acetylamino-5-substituted amino-p-benzoquinone is prepared by oxidation and amination of 2-acetylamino-1,4-dimethoxybenzene; 2-benzyloxycarbonylamino-5-substituted amino-p-benzoquinone is prepared by benzyloxycarbonylation, oxidation and amination of 2-amino-1,4-dimethoxybenzene. The compounds can be used as algaecides to prevent and control cladophora and microcystis aeruginosa.