11 results about "Marine pollution" patented technology

The invention belongs to the field of micro-fluidic chip processing and electrochemical detection, and discloses a high-precision low-cost flexible electrochemical detection chip processing method. The high-precision and low-cost electrochemical detection chip comprises a PET substrate layer, an ITO electrode layer and an Ag / AgCl reference electrode layer, an ITO film is coated with photosensitive blue oil and exposed to form an electrode pattern, a redundant ITO plating layer is etched after development, photoresist is removed, and a three-electrode chip is obtained. And depositing AgCl on the reference electrode by adopting electrochemical deposition. The electrochemical chip can be realized without expensive consumables and precision processing equipment, the conductivity of the electrochemical chip is far better than that of a traditional silk-screen printing electrochemical chip, the electrochemical chip is more stable during electrode modification, and batch processing of the electrochemical chip with the minimum size of 200 microns can be realized by adopting the processing method. After being modified, the electrochemical chip can be applied to the field of detection of heavy metal ions, radioactive ions and various marine pollutants in a marine environment.

Most of the conventional final treatment plants for sewage and polluted water exist at a position in contact with the ocean and discharge the sewage and polluted water into the sea after treatment, and the principle of the treatment is bacterial decomposition, which is a method using biodegradation by freshwater microorganisms. Although the contents of Escherichia coli and chemical substances are prescribed as numerical values by law, they are far from perfect including human errors. In recent years, the global environment has been emphasized, and marine pollution is an essential problem imposed on mankind.SOLUTION: To construct a technique for improving a final treatment plant of sewage or waste water in consideration of the environment, to verify the conventional biological decomposition theory of only bacteria, and to enable safe marine discharge by a technique requiring complete treatment in a land facility. To provide a technique and a means capable of greatly improving a complete decomposition treatment in which the natural environment of land and sea is built up by a land facility, by utilizing the ecology of organisms living in a fresh water area and a sea water area, providing a fresh water tank group and a sea water tank group, allowing a bacteria group and small organisms to coexist, utilizing the respective biological characteristics, and aiming at the advancement and completion of the present biodegradation.SELECTED DRAWING: Figure 1

The application discloses a kind of based on deep learning's marine environment monitoring early warning method and system, it is related to marine environment monitoring early warning technical field;Including the following steps: comb multiple source historical monitoring data, execute prediction analysis, obtain the core feature standard set in preset period;Its technical key points are: the application realizes whole-process standardization, seamless link of each link, dynamic response, closed-loop management and control, and the effect that practicality greatly improves;Achieved to improve whole-process monitoring early warning efficiency, ensure each link accurate link, dynamically adapt pollution change, reduce pollution disposal cost, improve the overall ability of marine pollution prevention and control, while various technologies cooperate, significantly improve the efficiency of whole-process monitoring early warning, reduce each link link error, can dynamically respond to pollution change, greatly improve practicality and operability, comprehensively enhance the overall ability of marine pollution prevention and control, use effect is good, with good use prospect.

The application discloses a wave energy collection device based on a magnetic spring-leaf spring type bistable mechanism, comprising a bistable energy trapping device (1), a motion conversion device (2), an electromagnetic power generation device (3) and a power management module, wherein the bistable energy trapping device is provided with a magnetic spring-leaf spring type bistable mechanism, and through nonlinear interaction between magnets, efficient capture of mechanical energy under low-frequency waves is realized; the motion conversion device (2) is designed through a gear transmission system and a one-way bearing, so that one-way rotation of an output shaft is ensured; the electromagnetic power generation device (3) utilizes the relative rotation principle of a magnet flywheel and a coil, the magnetic flux of the coil changes, so that a voltage is generated, mechanical energy captured by the bistable energy trapping device (1) is converted into electric energy, and simultaneously, the power management module is responsible for rectification, storage and distribution of the electric energy, so that stable power supply can be obtained under any condition. The system has wide application prospects and important economic value in the fields of marine ecosystem monitoring, climate change research and marine pollution monitoring.

The invention provides application of ciliates in heavy metal toxicity detection and a heavy metal toxicity detection method, and relates to the technical field of heavy metal toxicity evaluation. Specifically, the invention provides application of the Nalklukella marrimilis as a detection organism in heavy metal toxicity detection. The research finds that compared with other marine organisms, the nanokallukella marrimilis has the advantages that the acute toxicity response time of the nanokallukella marrimilis to heavy metals is shorter, and the threshold value is more sensitive. Therefore, the nanokallukella margaritae can be used for detecting the toxicity of the heavy metals, a reference is provided for evaluating the toxicity effect of deep-sea organisms on the heavy metals, and a scientific basis is also provided for evaluating the marine pollution risk. The method is of great significance to environmental protection.

The invention discloses a marine dumping area eukaryotic microorganism monitoring method based on an environmental DNA technology, and belongs to the technical field of environmental monitoring and marine ecology. The invention provides a microbe monitoring method which fully utilizes abundance data and DNA sequence data and improves the accuracy of subsequent analysis, and a marine dumping area eukaryotic microbe monitoring method which can accurately reveal the composition of eukaryotic microflora in different marine dumping areas and the diversity change of the eukaryotic microflora. And a flexible and reliable technical platform is provided for ecological monitoring of a marine pollution area. According to the method, the environment DNA data is divided into the environment DNA abundance data and the environment DNA sequence data, and the environment DNA data is denoised through the encoder in consideration of the characteristics that the environment DNA abundance data has high sparsity and has a large number of zero values, so that the data quality can be improved, and a reliable basis is provided for subsequent ecological inference. The structure information of the environmental DNA data can be better captured, and the high noise and sparsity influence of the environmental DNA data can be effectively reduced.

The application provides an offshore oil spill intelligent identification and emergency disposal system, and relates to the technical field of marine pollution prevention.The system comprises: an intelligent identification module that acquires multi-source images, extracts features by using a segmentation network model and a color space segmentation algorithm, and obtains oil spill identification data; an intelligent decision module that obtains risk assessment data by analyzing the oil spill identification data, and determines an emergency disposal scheme and equipment dispatching control instructions; an emergency disposal module that dispatches disposal equipment, obtains operating state data to obtain a compensation coefficient, and adaptively adjusts working parameters in combination with the oil spill identification data; and a feedback optimization module that generates a review data set by using disposal effect data to iteratively update the segmentation network model and the color space segmentation algorithm.The application solves the technical defects of low identification accuracy, delayed response and poor coordination of the prior art, and greatly improves the oil spill recovery efficiency under complex sea conditions.

This invention relates to the field of marine pollution early warning technology, and in particular to a method and system for judging and warning of eutrophication in marine waters based on image recognition. The method includes acquiring multi-source image data; preprocessing the acquired multi-source image data; detecting occlusion areas and constructing masks on the preprocessed image data to generate target detection boxes; outputting eutrophication area masks based on the generated target detection boxes using an improved U-Net network combined with a spatial channel fusion strategy; and visualizing the diagnostic results based on the output mask. This invention significantly improves the ability to capture early anomalies, model the spread trend of moderate eutrophication, and provide graded response capabilities for severely affected areas, possessing good engineering promotion potential and practical deployment value.

The invention relates to the technical field of intelligent monitoring, and particularly discloses an ocean remote sensing information management system and a method thereof, which are used for fully expressing hidden feature distribution information about pollutants in an ocean remote sensing image through artificial intelligence and a deep learning technology. And carrying out classification processing to obtain a classification result of the grade label for representing the pollution degree. In this way, the marine pollution condition can be detected and evaluated based on the pollutant characteristics in the marine remote sensing image, so that the grade of the marine pollution degree is determined, and corresponding measures are taken to ensure the stability of a marine ecosystem.

The invention discloses a method for detecting persistent organic pollutants in marine sediments, and belongs to the technical field of marine pollutant detection methods. The method comprises the following steps: mixing a pretreated sediment sample with anhydrous sodium sulfate, soaking with an n-hexane-acetone mixed solvent and concentrated hydrochloric acid, then carrying out ultrasonic extraction, carrying out liquid-liquid distribution on an extracting solution to obtain an organic phase, concentrating the organic phase, dissolving the organic phase in methanol to obtain a methanol extracting solution, and carrying out solid-liquid separation on the methanol extracting solution; and loading the sample to an activated high-crosslinking polymethacrylate-styrene solid-phase extraction column, sequentially carrying out sectional elution by using ethyl acetate, dichloromethane and methanol, concentrating the eluent, fixing the volume, purifying, and carrying out chromatographic analysis. By optimizing an extraction system and adopting a high-selectivity solid-phase extraction material and a segmented elution procedure, the technical problem that polar and non-polar components are difficult to synchronously and efficiently extract and purify is solved. The method is stable in recovery rate, and is suitable for synchronous and accurate determination of trace persistent organic pollutants in a complex marine sediment matrix.

The utility model relates to the technical field of waste treatment, in particular to a solid-liquid separation device for treating marine pollution waste, which comprises a box body, the top of the box body is communicated with a feeding pipe, a water filtering plate is arranged in an inner cavity of the box body, a blanking hopper is welded in the inner cavity of the box body, and the bottom of the blanking hopper is communicated with a blanking valve. Through the cooperation of the driving motor, the rotating rod, the crushing roller, the stirring blades, the material storage box, the liquid adding pipe, the connecting valve pipe and the transmission belt, the crushing roller is suitable for crushing and decomposing different types of marine pollution wastes, and more favorable conditions are provided for subsequent solid-liquid separation; the connecting valve pipe can add purification liquid into to-be-treated liquid in advance, and the purification liquid and pollutants are fully mixed through the multiple groups of stirring blades arranged on the surface of the rotating rod, so that the purification liquid fully reacts with the pollutants to form an easy-to-separate substance, and the treated liquid is ensured to reach the environmental protection standard.