799 results about "Plankton" patented technology

The invention relates to a water body experiment apparatus and a water body experiment method. The apparatus comprises a sediment release unit, a culture unit, a control unit, a water body controlling system, and a water quality monitoring system. The sediment release unit, the culture unit, and the control unit are sequentially arranged adjacently. Each two adjacent units are connected with a baffle, such that an experiment box body with the three units communicating with each other is formed. The water body controlling system is used for regulating physical and chemical indicators of water body in the experiment apparatus. The water quality monitoring system is used for detecting the physical and chemical indicator values of water body, sediment, plankton and / or submerged aquatic plants in the experiment apparatus. According to the invention, sediment sampling, sediment pollutant releasing, and algae and submerged plant growing are effectively combined. With the apparatus, sediment release effect of different water environments can be simulated, and influences of different ecological projects (environmental-protection dredging projects and submerged aquatic plant restoration projects) upon water body eutrophication and water body pollution can be quantitatively studied.

The invention provides a multi-feature-fusion-convolutional-neural-network-based plankton image classification method. The method comprises: lots of clear plankton images are collected and a large-scale multi-type plankton image data set is constructed; a global feature and a local feature are extracted by using an image conversion and edge extraction algorithm; an original feature image, a global feature image, and a local feature image are inputted into a depth-learning multi-feature-fusion convolutional neural network to carry out training, thereby obtaining a multi-feature-fusion convolutional neural network model; and then the plankton images are inputted into the multi-feature-fusion convolutional neural network model and classification is carried out based on a finally outputted probability score. According to the invention, the angle of biological morphology, the computer vision method, and the depth learning technology are combined; and thus the classification accuracy for plankton images, especially large-scale multi-type plankton images is high.

The invention relates to deep sea suspended particulate matter and plankton concentration real protecting sampler. It includes seawater hydraulic system including deep water electric machine, water pump, and valve block. It drives the seawater through sampler barrel. The sampler barrel is set filter membrane to filtered concentration suspended particulate matte and plankton. Check valve and electro magnetism control valve are used to form sample pressure maintaining. Accumulator is used as sampler barrel after compaction device and cut off by control valve. The sampler barrel is set transfer valve. The check valve is used to protect filter membrane. The advantages of the invention are that it can gain a lot of deep sea suspended particulate matte and plankton concentration real protecting sample with given depth, no pollution, no pressure revulsion; and the sampler barrel can keep collected sampler initial pressure and temperature for long time.

A biologic organic fertilizer for culturing fish is prepared from ferment bacteria, inorganic N and / or P fertilizer, organic substance (straw, stalk, city garbage, and droppings and dung of fowls and animals), and trace elements chosen from Cu, Fe, Mn, Si, Co, Zn and B through proportional mixing, inoculating ferment bacteria, biologic synthesis, low-temp drying and examining. Its advantages are high growth speed and quality of fish, high effect to improve water quality and low cost.

This invention provides a vessel system and methodology that can be used to promote growth of phytoplankton in the oceans. Unmanned self-controlled wave-powered vessels are equipped with storage units for dispensing a fertilizer, and with sensors to monitor ocean conditions and effects. Fleets of vessels move autonomously by on-board processing of GPS and directional information, piloting a path that is coordinated by a central processing unit. The vessels travel through a defined target area, creating a detailed survey of chemical and biological characteristics that affect grown. The data are processed in a computer model to identify precise locations and precise amounts of fertilizer that will produce the best results. Projected benefits of fertilizing plankton include sequestering CO2 from the atmosphere, and enhancing the marine food chain to improve the fish stock in and around the treated area.

This invention provides a vessel system and methodology that can be used to promote growth of phytoplankton in the oceans. Unmanned self-controlled wave-powered vessels are equipped with storage units for dispensing a fertilizer, and with sensors to monitor ocean conditions and effects. Fleets of vessels move autonomously by on-board processing of GPS and directional information, piloting a path that is coordinated by a central processing unit. The vessels travel through a defined target area, creating a detailed survey of chemical and biological characteristics that affect grown. The data are processed in a computer model to identify precise locations and precise amounts of fertilizer that will produce the best results. Projected benefits of fertilizing plankton include sequestering CO2 from the atmosphere, and enhancing the marine food chain to improve the fish stock in and around the treated area.

The invention discloses a high-efficiency treatment method of ballast water in a ship and a device adopting the high-efficiency treatment method. The high-efficiency treatment method of ballast water in a ship comprises the following steps of 1, removing planktonts and suspended particles in ballast water by a high-efficiency filter, wherein the removed planktonts and the suspended particles have sizes of above 30 to 40 micrometers; 2, based on a branch electrolysis-based inactivation treatment technology, electrolyzing a part of seawater passing through an electrolysis unit into chlorine and hydrogen by the electrolysis unit, wherein the chlorine is fast dissolved in seawater to form sodium hypochlorite, and 3, feeding back the high-concentration sodium hypochlorite solution obtained by the step 2 to a ballast water feeding header pipe so that residual harmful aquatic organisms in the ballast water are killed. The high-efficiency treatment method of ballast water in a ship has the advantages that a technology of high efficiency filtration and branch electrolysis-based inactivation treatment and the equipment suitable for the technology are adopted; a technical flow is simple; a system volume is small; compared with the existing system, the device adopting the high-efficiency treatment method has a floor space reduced by above 30%; because of the utilization of branch electrolysis, a hydrogen generation amount is low so that hydrogen can be removed completely; a potential safety hazard is eliminated; installation is convenient; and safety and reliability are high.

This invention provides a vessel system and methodology that can be used to promote growth of phytoplankton in the oceans. Unmanned self-controlled wave-powered vessels are equipped with storage units for dispensing a fertilizer, and with sensors to monitor ocean conditions and effects. Fleets of vessels move autonomously by on-board processing of GPS and directional information, piloting a path that is coordinated by a central processing unit. The vessels travel through a defined target area, creating a detailed survey of chemical and biological characteristics that affect grown. The data are processed in a computer model to identify precise locations and precise amounts of fertilizer that will produce the best results. Projected benefits of fertilizing plankton include sequestering CO2 from the atmosphere, and enhancing the marine food chain to improve the fish stock in and around the treated area.

The invention relates to a benthonic animal-algae-aquatic plant-fish based river water ecological environment self-remediation method. The method is to overcome problems of river water ecological environment remediation methods at present, namely short effect duration, high costs and easy generation of secondary pollution. The method includes 1) evaluating the degree of pollution of a river, 2) planting reed and seeding algae, 3) throwing in plankton and benthic mollusks, 4) planting submerged plants, 5) throwing in shrimps, herbivorous fishes, omnivore fishes and filter-feeding fishes, 6) throwing in carnivorous fishes, and 7) harvesting the reed and the submerged plants before the reed and the submerged plants die, catching the benthic mollusks and the shrimps, and catching the fishes after two years. The method is long in effect duration, low in cost and free of secondary pollution and is applied for the field of river water pollution remediation.

The invention relates to aquaculture biological fish manure, in particular to novel high-efficiency biological fish manure for various aquacultures. The fish manure is prepared from the following raw materials in parts by weight: 17.5 to 70 parts of ammonium chloride, 10 to 40 parts of monoammonium phosphate, 7.5 to 30 parts of calcium superphosphate, 12 to 48 parts of organic matters, 0.5 to 2 parts of bacillus, and 2.5 to 10 parts of humic acid. The fish manure is prepared by selecting more than twenty types of major and trace element inorganic fertilizers with comprehensive nutrition and organic fertilizers which can be easily absorbed, is rich in more than twenty types of major and trace elements and various amino acids, vitamins, polysaccharide, nucleic acids, humic acid and the like, and is fermented by 81 beneficial microorganisms in five major groups of microorganisms existing in the whole ecosystem. The fermented free-state nutritional substances are advantageous to absorption and utilization, so that the nutrition balance of a water body is ensured. By application, a small ecological environment is formed, so the biological fish manure is particularly suitable for growing and breeding of plankton which facilitates aquaculture.

An aquatic particle sampling and collection apparatus comprising a tube within a tube cylindrical collection system wherein an inner tube is housed within an outer tube wherein the outer tube has a front end that is flared in a frustum shape to collect water. The inner tube defines an open chamber lined with a net or other collection apparatus which concludes with a conical cod end. An axial flow pump is situated within the collection system to facilitate the movement of water through the system thereby drawing particles in to be collected. The apparatus is paired with a subsea vehicle that allows for controlled collection and sampling. In various embodiments, the apparatus can be used to collect both bio particles such as plankton and non-bio particles such as plastics from the ocean. Where sampling is desired, the apparatus may include a disk after the conical cod end upon which the samples are collected.

The invention discloses a biogas slurry ecological purification device, which comprises an adjusting tank (1), a facultative tank (2), an aerobic tank (3), a fish culturing tank (4) and a clarifying tank (5), wherein all tanks have a liquid outlet pipe and a liquid inlet pipe; the liquid outlet pipe of a tank is communicated with the liquid inlet pipe of a next tank and a control valve (8) is arranged between the liquid outlet pipe of the tank and the liquid inlet pipe of the next tank; effluent of the clarifying tank (5) passes through a three-way pipe (6) and a control valve of the three-way pipe (6) to be connected with a discharge pipe and a return pipe (7) communicated with the adjusting tank (1); the liquid outlet pipe of the adjusting tank is provided with a flow meter (14); the return pipe (7) is provided with a circulating water pump (11); and the aerobic tank (3) is provided with an aeration device (12) and a filler. Biogas slurry purification by the device is realized by culturing water hyacinth in the facultative tank (2), algal-bacteria, plankton and mussel in the aerobic tank (3) and fish in the fish culturing tank (4), using the algal-bacteria and the plankton as fish baits, and clarifying the effluent till the effluent meets national standards for integrated wastewater discharge. The device has the advantages of high speed, high efficiency, circular purification and diversified operations.

The invention relates to a crawler-type multifunctional environmental-protection boat capable of cleaning flotage and rubbish on water surfaces, comprising a boat body. The upper layer of the boat body is provided with a steering cabin and a sightseeing cabin. The crawler-type multifunctional environmental-protection boat is characterized in that the fore of the boat body is provided with a flotage collecting and conveying device; the rear of the boat body is provided with an algae plankton intercepting extracting fixing separation device; oil stain intercepting devices are arranged beside both sides of the boat body; the top end of the boat body is provided with a solar cell plate; the left side and the right side of the boat body are provided with crawler-type power plants; a biogas generator, a current condenser of the solar cell plate, an electrical control cabinet and an effluent treatment plant are arranged in the boat body; and a high-pressure water pistol is connected on the boat body. The invention is a multifunctional boat which integrates water purification work, oil stain cleaning, solar electric power storage and water rescue work and is provided with crawler-type wheels driven by an electromotor, thereby being suitable for working in shallow water or marsh mudflat high-pollution areas. The boat has very high flexibility and practicability.

The invention provides an automatic layering quantitative sampler for skotoplankton, which comprises a bracket, a sampling unit and a control unit, and is characterized in that the bracket comprises a frame and a supporting plate arranged in the frame, and the sampling unit and the control unit are arranged at the supporting plate. The sampling unit comprises diving pumps, a multi-path shunt, an electromagnetic valve, an electronic flow meter, a plankton filter screen, a sample collecting tube and a sample discharging valve; the diving pumps are connected to a water inlet of the corresponding plankton filter screen through the multi-path shunt respectively; the lower end of the plankton filter screen is provided with the sample collecting tube and the sample discharging valve; and the electromagnetic valve and the electronic flow meter are arranged at each water outlet pipeline respectively. The control unit is connected with the electromagnetic valve, the electronic flow meter and a pressure sensor, and powdered by a storage battery. The sampler accurately separates water layers and precisely and quantitatively samples, and has the advantages of high degree of automation, convenient operation and reliable use.

A method of ecological restoration of water bodies containing excess nutrient includes steps of: (a) taming a kind of plankton to be able to eat blue algae as an algae eating plankton, so as to digest blue algae in the water bodies, and (b) putting the algae eating plankton in the water body polluted by the blue algae, wherein the algae eating plankton eats the blue algae, so that an eco-system of the water body containing excess nutrient can be restored.

The invention relates to a closed-recirculation multistage biological purification system. The system comprises an aquaculture pond. The aquaculture pond is connected with a multistage biological purification canal through a pond discharge canal, the multistage biological purification canal is connected with a purification tank through a water pump water delivery pipeline, the purification tank is connected with a sedimentation tank through a purification canal, and the sedimentation tank is connected with the aquaculture pond through a self-flow canal. By means of the closed-recirculation multistage biological purification system, point purification and face purification of aquaculture water are achieved; after aquaculture pond discharge water passes through the multistage biological purification system, the content of main nutritive salt and the biomass of plankton become low from high, and a significant point purification effect is achieved; meanwhile, in the whole aquaculture period, various indexes of the overall quality of the aquaculture water are kept at a low level, and a significant face purification effect is achieved; a good scientific example is provided for pond aquaculture in brackish water areas of the coast of China.

The invention relates to a method and a complete device for desalting sea water by using a solar energy membrane method. The complete device is composed of three parts of a solar energy photovoltaic cell system, a sea water pretreatment system and a reverse osmosis desalination system. The solar energy photovoltaic cell system comprises a solar cell panel, a frame, a back component arranged at the back of the solar cell panel and a storage battery for storing electric energy, as well as a current converter. The solar energy photovoltaic cell system supplies energy sources for the sea water pretreatment system and the reverse osmosis desalination system. After the sea water is processed by the sea water pretreatment system, seaweed, plankton, suspended matters, colloid and bacteria are eliminated; then the sea water is pumped into reverse osmosis; and finally fresh water and brine water (concentrated water) are obtained through reverse osmosis desalination. The fresh water obtained by adopting the method conforms to the 'Sanitary Standard for Drinking Water' GB5749-2006, thereby directly being used for production water and domestic water.

The invention aims to develop a flow-cytometry-based method for rapidly measuring heterotrophic bacteria in a eutrophic lake. The method is a flow-cytometry-based bacterium counting method. The method comprises the following steps of fixing a sample, performing ultrasonic processing, filtering, performing SYBR Green I dyeing, detecting the heterotrophic bacteria by utilizing a flow cytometer, and acquiring forward and lateral scattering light, an SYBR Green I green fluorescence signal and a chlorophyll a red fluorescence signal of autotrophic plankton, wherein the SYBR Green I green fluorescence signal is used for setting a threshold value; and eliminating the influence of the nannoplankton on bacterium detection by utilizing the forward and lateral scattering light, separating the plankton from abiological particles and cellular debris according to the intensity of the SYBR Green I green fluorescence signal, and separating the bacteria from phytoplankton according to the intensity of the chlorophyll a red fluorescence signal of the autotrophic plankton, thereby obtaining the accurate number of the heterotrophic bacteria. The method has the time-saving and labor-saving effects, the large-scale ecological survey can be developed, and the counting precision and accuracy of the bacteria are improved.

The invention belongs to the field of ecological breeding of special aquatic products and relates to a method for breeding juvenile crabs in rice fields. A three-dimensional ecological planting and breeding mode of quaternity of rice, the juvenile crabs, soybean and elodea nuttallii is adopted for breeding the juvenile crabs in the rice fields. Annular crab ditches or crab ditches shaped like the Chinese ri are adopted around the rice fields, the elodea nuttallii is planted in the crab ditches, the soybean is planted on ridges, weeds, insects, underwater plankton and benthos in the rice fields are utilized to breed the juvenile crabs, growth of the juvenile crabs is guaranteed, and the good effects of weeding, deinsectization and field cleaning are achieved; meanwhile, excrement of the juvenile crabs further has the effects of returning to the fields through abdomens and continuously improving fertilizer efficiency, and movement of the juvenile crabs, such as food finding, promotes raw nutrient cycle of the soil. The mutual controlling and promoting effects of a biologic chain formed among living beings including the rice, injurious insects and river crabs are utilized, the rice and crab symbiosis ecological environment is improved according to the reproduction law of the rice and organic combination of the living beings, and pollution-free performance, nutrition and high yield of rice and crab products are achieved.

The invention provides an ecologically adjustable fish reef ecological floating bed device. The device comprises a floating bed frame, a plurality of fish reef module units and aquatic plants, wherein each fish reef module unit is connected with one another and fixed by the floating bed frame and comprises a grid and an organism ceramsite layer, a fish reef channel layer and a packing layer which are arranged from top to bottom sequentially and are separated from one another by interlayers; the grids surround around the organism ceramsite layers, the fish reef channel layers and the packing layers and the bottoms of the packing layers respectively; fish reef passages are respectively opened around the fish reef channel layers; holes are opened at the position, corresponding to openings of the fish reef passages, of the grids to make the fish reef channel layers communicate with outside; and the aquatic plants are arranged on the organism ceramsite layers. The device can ensure the normal growth and prevent the overgrowth of the aquatic plants at the same time; and meanwhile, a simple food chain of 'organisms-planktons-fishes' is formed inside the device to improve the purifying capacity of water of the device.

The present invention discloses a water-gas mixture and underwater plankton sampler. It is composed of three portions of transposition device, opening / closing device and storage tank, in which the transposition device and opening / closing device respectively are mounted with carrier and formed into one body, the storage tank is inlaid in the interior of transposition device and is positioned under the opening / closing device. Said invention can be used for sampling underwater water-gas mixture, hydrothermal sulfide, microsuspensoid, underwater plankton and settlement, etc.

The invention discloses a fresh water shrimp culture method, which comprises the steps of weed culture, shrimp postlarvae selection, stocking time selection, and control during shrimp postlarvae culture. The step of control during the shrimp postlarvae culture comprises the steps of: controlling waterweed coverage rate and water body transparency: when the fresh water shrimp culture is in the medium term, particularly fresh water shrimps enter autumn-propagation season (August and September in Yangtze river basin), the waterweed area is controlled to be 40 to 50 percent of the water body area, the transparency is controlled to more than 40 centimeters, and shrimp postlarvae is difficult to survive due to insufficient plankton bait; and killing the autumn-propagation shrimp postlarvae by skillfully using quick lime: during culture, the growth and development condition of the shrimps is frequently observed, particularly when the fresh water shrimps enter the autumn-propagation season (August and September in Yangtze river basin), the egg hatching condition of precocious female is observed, and when eggs of most ovigerous female become grey or transparent or zoea is hatched out, 10 to 14g of quick lime is used for each cubic meter of water body, the quick lime is sprayed to all the pond in six days, and afterwards the quick lime is used once each week to kill the autumn-propagation shrimp postlarvae. The technical measure can reduce 70 to 90 percent of autumn-propagation shrimp postlarvae.

The invention discloses a preparation method of a composite membrane for efficiently filtering micro-pollutants in water. The preparation method comprises: dissolving functionalized beta-cyclodextrinas a film forming additive, a film forming polymer, a pore forming agent and a cross-linking agent in a solvent according to a set ratio to prepare a film casting solution, and preparing the compositemembrane capable of efficiently filtering organic micro-pollutants by using an immersion precipitation phase transformation method through the moderate in-situ cross-linking of the functionalized beta-cyclodextrin in the film casting solution. According to the present invention, the composite membrane maintains the high water permeability, has the high removal rate on micro-contaminants in water,can remove planktons, algae, bacteria, proteins, colloids, viruses and other pollutants through filtering, and can remove antibiotics, hormones, plasticizers and other organic small molecule micro-pollutants through adsorption; the preparation process is simple, controllable and low in cost; and the composite membrane can be widely used in household water purification, sewage treatment, water purification and other separation fields, is the efficient and stable water treatment material, and has wide application value.

The invention discloses an automatic satellite synchronization surface layer columnar water sample collection system and an automatic satellite synchronization surface layer columnar water sample collection device. The automatic collection system comprises a cloud detection module, an overlay analysis module, a command generation module, a short message receiving-transmitting module, a short message controller, a micro electric windlass and a sampling device, wherein the short message controller receives a sampling command short message to drive the micro electric windlass, and the micro electric windlass drives the sampling device to sample water; the sampling device comprises a sampler and a hoisting mechanism. By adopting the automatic satellite synchronization surface layer columnar water sample collection system, the automatic sampling is realized; the sampling device is simple in structure and few in moving parts, has no precise element, is sealed in an elastic film torsion manner and is low in cost, reliable in action, easy to maintain and suitable for long-time field guard and multi-point installation and layout; the pollution of lake water for the sampler can be avoided, the interference of the sampler for planktons on the surface layer of the water also can be avoided, and the reliability of a sample can be improved.

The invention discloses a fish and plankton collection trawl which comprises a net and a support fixed to the opening of the net. A cod-end is arranged at the bottom of the net; an intercepting device covering the opening of the net is arranged in the support; a plurality of floating balls and iron balls which are detachable are arranged on the side surface of the support; tow lines are arranged at the edge of the support. The fish and plankton collection trawl can realize accurate collection of fish and plankton at different water levels.

The ecological water plankton regulating agent consists of gypsum powder 30-40 wt%, attapulgite powder 20-40 wt% and sodium humate 30-40 wt%. The method of utilizing the ecological water plankton regulating agent in controlling excessive propagation of blue-green algae in water is to dilute the ecological water plankton regulating agent with 10-20 times water to obtain suspension and spreading the suspension to the water, with the applied amount of the ecological water plankton regulating agent being 3-10 g / cu m. The said regulating agent and method can control the excessive propagation of blue-green algae, ensure the algae diversity, raise the transparency of water and lower the content of microcystin in water.

A multifunctional artificial fish reef is composed of a fish reef body, a buoy, a cable, a wire and a gas-guide tube, wherein the cable, the wire and the gas-guide tube are connected with the fish reef body and the buoy.The multifunctional artificial fish reef not only can provide a reproduction and forage place for fishes, but also can introduce air above the sea surface into the seabed by utilizing wave energy, water and gas exchange in the fish reef sea area is promoted, needed oxygen is provided for shellfishes and sea cucumbers and the like, and the blocking in the fish reef using process can be effectively avoided.Ocean current drives impellers to rotate, the distribution of a flow field in the sea area can be changed, bottom layer nutrient substances are driven to perform exchange with the upper layer water body, nutrient is provided for reproduction and growth of planktons and the like in the upper layer water body, a good marine organism habitat is created, and primary productivity in the surrounding water area is greatly improved.A solar panel on the buoy can convert solar energy into electric energy to supply power to LEDs on the reef body, and thus the goal of attracting phototactic fishes is achieved.Staggered separating tables in the reef body increase the adhering area of the artificial fish reef, and the number of organisms in the sea area is increased.

The invention discloses an artificial fish reef made from waste tyre, constructing the structure of honeycomb or cylinder by using numberless waste tyres with rope or screws by making use of the waste tyre original shape, making the fish reef be porous, and the tyre dent are the concealed and proper space for fish breeding. The invention solves the environmental problem of recycling waste tyres and is a method of making the recycled waste tyres become a permanent production resources. Combining the waste tyres to large associations with different space in the middle with ropes or screws by making use of the tyre original structural shape or handling a little, adding stationary objects with enough weight on the bottom, which is convenient for setting on the sea bottom, and the association will not be rushed away which is suitable for the growth of plankton or benthon as an artificial fish reef to increase the quantity of the fish catch.

The invention relates to a penaeus vannamei boone low-salinity culturing method. During seed culturing, the salinity is 8 to 100%; in the phase of juvenile shrimps, the salinity of a culturing water body is increased to 6%; in the phase of middle-age shrimps, the salinity of the culturing water body is reduced to 4%; in the phase of adult shrimps, the salinity of the culturing water body is reduced to 2%. The method has the advantages that the secondary virus disease caused by the infection of pathogen of penaeus vannamei boone in seawater is avoided, meanwhile, the growth speed of the penaeus vannamei boone is ensured, and the economic benefit of a farmer is protected; by utilizing the habits of Chinese soft shell turtles, silver carps or bighead carps using planktons as foods, the amount of seaweed in water is controlled, so the water quality is improved, the waste at water body resources is avoided, and better economic benefits can be obtained.

The invention discloses a functional complex microbial agent serving as aquaculture bait, and relates to a microbial agent. The functional complex microbial agent comprises the following ingredients: bacillus, yeast and a photosynthetic bacterium. Compared with the existing agent, the functional complex microbial agent is used for aquaculture of fishes and the like, can convert eutrophicated water into substances, such as beneficial mycoprotein, amino acid, polypeptide, carbohydrate and fatty acid, which are suitable for growth and absorption of plankton required by growth of spotted silver carps, silver carps and the like.