266 results about "Oyster" patented technology

The inventive technique process of grainy calcium material for preventing and treating peanut blight primarily includes: adopting the shell powder and weathered coal as raw materials, machining into peanut blight prevention material through agglomeration granulation. The invention has innovative and reasonable design, which not only has simple process, easy implementing, but also has low cost of raw materials, product application convenience, remarkable peanut blight prevention effect, and capability of promoting high-efficient production pf peanut. In particular, the invention applies coastal oyster shell wastes for machining calcium materials for preventing and treating peanut blight, which not only reduces environmental pollution, but also promotes recycling of resources, has very significant economic, social and ecological benefits and greater promotional value.

The invention belongs to the technical field of food detection, and particularly relates to an oyster freshness distinguishing method based on an electronic nose and prior information. According to the method, oyster smell data collected by an electronic nose system is combined with traditional oyster physicochemical indexes, and the prior weight of an oyster freshness prediction model is set by calculating the correlation coefficient of the oyster smell data collected by the electronic nose system and oyster physicochemical index information closely related to freshness change; and subsequently, the weight is adjusted through a compression and incentive mechanism to construct a reliable classification model, so that the screening capability, reliability and accuracy of the freshness key characteristics at the accurate distinguishing moment are improved, and high-accuracy oyster freshness distinguishing is realized for the oyster freshness.

The invention relates to the technical field of oyster meat yield prediction, and particularly discloses an oyster meat yield prediction method based on multi-modal fusion, and the method comprises the steps: collecting an original oyster image, and obtaining apparent data and shape parameters through a segmentation network; respectively carrying out feature extraction through a self-attention mechanism and a variational auto-encoder to obtain feature vectors; splicing and fusing the feature vectors based on a Concat method, and constructing a fused feature vector; constructing a multi-layer perceptron regression prediction model by taking the fusion feature vector as input and taking the oyster meat percentage as target output; and carrying out validity verification on the trained prediction model by using the test set. According to the method, feature extraction and splicing fusion are performed through the apparent images and the shape parameters of the oysters, the prediction model suitable for the oyster meat percentage is constructed, interaction rules of different dimensions among the features can be better captured, the model prediction precision is remarkably improved, and the problems of low manual sorting efficiency and large measurement errors in the prior art are avoided.

The invention discloses an oyster carbon sink value evaluation method, model and equipment based on carbon sequestration amount, and a medium. The method comprises the following steps: collecting oyster breeding data in an oyster breeding process; the method comprises the following steps: respectively calculating an oyster body carbon sequestration amount, an oyster attached organism carbon sequestration amount and an oyster biological sediment carbon sequestration amount according to oyster breeding data, and summarizing the oyster body carbon sequestration amount, the oyster attached organism carbon sequestration amount and the oyster biological sediment carbon sequestration amount into a total oyster breeding carbon sink amount; and calculating the carbon sink value of the oysters according to the total carbon sink amount of the oyster culture. According to the method, a traditional culture shellfish carbon sequestration basic metering method is improved, carbon sequestration amount calculation is carried out on oyster bodies and biological sediments of attached organisms respectively, the more accurate oyster culture carbon sequestration total amount can be obtained, and the carbon sequestration income of oysters is calculated based on the carbon sequestration total amount. The method is beneficial to enriching the basic research in the field of shellfish culture carbon sink accounting, and enables the ecological service value of the shellfish culture industry to be compensated through carbon sink transaction.

This invention relates to the field of coating technology, and discloses a deep-sea pressure-resistant hull protective coating and its preparation method, comprising the following steps: substrate treatment, sequentially adding epoxy resin-modified polyurethane, reinforcing filler, anti-corrosion filler, curing agent and solvent in a predetermined proportion and mixing evenly to obtain a primer, and spraying the primer onto the substrate; then using isoxazole-modified polyurea as a topcoat, spraying the topcoat on the side of the primer away from the substrate to obtain the protective coating. This protective coating has excellent waterproof performance, impact resistance, wear resistance and anti-bioadhesion ability, and can effectively prevent water, various corrosive factors such as ions in seawater, and various polluting organisms in seawater such as barnacles, mussels, oysters and sponges from contacting the substrate surface.

The invention discloses multifunctional sea grass cultivation equipment, and relates to the technical field of sea grass cultivation. The sea grass breeding mechanism is arranged at the bottom of the buoy mechanism and comprises a connecting frame and a breeding frame, the whole breeding frame is conical and spirally surrounds the connecting frame, the upper end of the breeding frame is fixedly connected with the connecting frame so that the lower portion of the breeding frame can shake up and down, and a damping mechanism is arranged between the lower end of the breeding frame and the connecting frame. Sea grass is cultivated through the upper conical spiral frame, the stability of the spiral frame is improved, the illumination condition of the sea grass is met, oysters are cultivated on the lower portion of the sea grass through the lifting rope, and cooperative growth of the sea grass and the oysters is promoted. The sea grass culture and the aquaculture are integrated, the sea grass carbon sink capacity and the marine fishery economic value can be increased in the same unit area, and meanwhile the equipment has the marine environment monitoring capacity through various water quality sensors in the equipment.

The invention belongs to the technical field of aquatic product processing, and discloses a shell opening solution for Fujian oysters and application. The invention provides a shell opening solution for Fujian oysters. The shell opening solution comprises a magnesium chloride solution with the concentration of 0.5 mol / L-0. 6 mol / L and / or a glucose solution with the concentration of 0.5 mol / L-0. 6 mol / L. The shell opening solution is used for conducting living body paralysis on the Fujian oysters and then conducting shell opening, the food safety risk of manual oyster opening and meat taking is reduced, the Fujian oyster shell opening and meat taking efficiency is improved, manual operation is reduced, and the oyster opening rate of a biological shell opening method can reach 90% or above. The oyster meat processed by the shell opening solution is higher in yield and free of salt ion residues, various indexes of aquatic product processing are met, and oyster juice prepared from the oyster meat is better in quality, flavor and preservative capacity.

The utility model relates to the technical field of breeding cages, in particular to an oyster breeding cage lifting device adapting to tidal changes. Comprising a floating box, an aquaculture net cage which is arranged at the bottom of the floating box and can move longitudinally, a lifting mechanism which is arranged at the bottom of the floating box and used for driving the aquaculture net cage to move longitudinally, and limiting rods which are longitudinally arranged on the two sides of the floating box and used for limiting the moving path of the aquaculture net cage. A rotatable winding roller is arranged at the bottom of the first fixing frame, and a first winding wheel is rotationally arranged on the side, close to the winding roller, of the bottom of the first fixing frame. A second fixing frame is arranged in the center of the top of the culture net cage, and a second reel is rotationally arranged in the second fixing frame; a flexible winding wire is fixed to the top end of the second fixing frame. The aquaculture net cage can be longitudinally and stably lifted. The problem that the depth of the breeding cage is inconvenient to adjust is solved.

This invention provides a slow-release feed device for marine aquaculture, relating to the field of marine aquaculture technology. It includes a rotating drum, a drum cover, and a fixed shaft. A rotating impeller is mounted on the rotating drum, which is connected to the drum cover to form a cylindrical space. The fixed shaft passes through the central axis of the rotating drum and drum cover and is rotatably connected to them. A cake holder, a feed cake, and a cake brush are installed within the cylindrical space. The cake holder is fixedly connected to the fixed shaft, and the feed cake is mounted and fixed on the cake holder. The cake brush rotates synchronously with the rotating drum, brushing the surface of the feed cake to accelerate slow release. Utilizing ocean currents or the up-and-down movement of seawater, the rotating impeller drives the rotating drum to rotate, which in turn drives the cake brush to continuously brush the slow-release flocculated layer formed on the surface of the feed cake. This effectively accelerates the diffusion and release of feed particles, solving the problem of excessively long natural slow-release time for feed cakes and their inability to pass through a 150-mesh or finer silk sieve, thus meeting the needs of aquaculture such as oyster farming.

The utility model discloses a triploid oyster three-dimensional layered culture frame which comprises a main body, a lifting assembly is arranged in the main body, and a detection assembly is arranged in the lifting assembly. The lifting assembly comprises a plurality of mounting seats, screw rods are arranged on the outer walls of the bottoms of the mounting seats, rotating discs are mounted on the outer walls of the bottom ends of the screw rods through bolts, and rotating rods are movably mounted on the outer walls of the bottoms of the rotating discs through rotating shafts. Through the arranged lifting assembly, after the motor is started, the motor can drive the screw to start to rotate, the rotating disc can be driven to rotate along with the rotation of the screw, when the rotating disc rotates, the other rotating disc and the screw can be further driven to rotate by means of the action of the rotating rod and the connecting rod, and in the rotating process, the screw can drive the rotating disc to rotate through the action of the chain wheel and the chain. By means of the structure, the device can effectively achieve separation of water and triploid oysters, and a user can conveniently collect the triploid oysters.

The present application relates to a kind of technology for inducing marine sessile organism attachment, especially a kind of fiber reinforced ecological concrete and preparation method, belong to the cross field of marine sessile organism and marine concrete.Its material components include: cementitious material, broken stone, sand, water, dark pigment, biological calcium powder, calcium carbonate powder, trace element, chopped fiber and superplasticizer.The purpose of the present application is to induce sessile organism attachment, mainly oyster, in the tidal zone reinforced concrete corrosion prevention, considering the attachment of barnacle.By controlling to use dilute acid modification and composite grinding technology, the inducing capacity of bovine bone powder is fully exerted, the bovine bone powder content is greatly reduced, and corrosion prevention treatment and modification are carried out, a composite inducer mainly composed of bovine bone powder is realized, the content is small, and the concrete strength and permeability are almost not affected.

The invention relates to the technical field of biology, in particular to a biological substrate modification composition, a preparation as well as a preparation method and application of the biological substrate modification composition. The biological substrate modification composition provided by the invention is prepared from the following components: bacillus subtilis YXSY-01 bacterial powder, sphingomonas aquatic bacteria HD-01 bacterial liquid, bentonite, oyster shell powder, attapulgite, zeolite powder, fish bone meal of raw fish and water. The biological substrate modification composition is prepared from the following raw materials in parts by weight: 20-30% of corn starch, 20-30% of corn starch, 20-30% of corn starch, 20-30% of corn starch, 20-30% of corn starch, 20-30% of corn starch, 20-30% of corn starch, 20-30% of corn starch, 20-30% of corn starch, 20-30% of corn starch and 20-30% of corn starch. The biological substrate modification composition and the preparation provided by the invention have the capabilities of degrading faeces of bred animals and reducing the content of nitrite. The composition and the preparation can reduce the accumulation of excrement of cultured animals in a culture pond, reduce the nitrite content, purify the water quality of the culture pond and reduce the morbidity of the cultured animals.

The application discloses a striped jack fry hatching device and a hatching domestication method thereof, and aims to provide a striped jack fry hatching device and a hatching domestication method thereof, which are convenient to operate, can effectively reduce physiological stress and external abrasions of striped jack fry, and are favorable to improving the survival rate of the fry after releasing. The striped jack fry hatching device comprises a hatching net cage provided with a fry outlet on one side, vertical guide rods arranged on the left and right sides of the fry outlet, a telescopic net cover, a closing rope and a lifting rope.

The invention discloses an oyster culture water quality regulation and control method and system based on AI water quality regulation and control, and relates to the technical field of water quality monitoring and intelligent regulation and control. Carrying out score calculation and weighted integration on the smooth parameter sequence to generate a comprehensive evaluation quantity; identifying the change direction and the change amplitude in the fixed window and generating a trend record; and combining the comprehensive evaluation quantity, the trend record and the smoothing parameter sequence according to a time index, and determining a regulation and control level and regulation and control parameters. According to the method, a staged evaluation system based on smooth water quality parameters, a trend identification mechanism and a regulation and control quantity generation method are constructed, so that regulation and control decisions of continuous expression, staged sensitivity analysis and time sequence consistency of the oyster culture water body are realized.

1. Name of the product in this design: Oyster farming cage. 2. Purpose of this design: for oyster farming. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The application relates to the field of aquaculture, and particularly discloses a method for cultivating oyster larvae, which comprises the following steps: S1, fertilized eggs are developed into D-shaped larvae in seawater at 22 DEG C for 20-24 hours; S2, the D-shaped larvae are cultivated under the condition that the temperature is 22-24 DEG C and the salinity is 29-31 ‰, feed and growth nutrient solution are fed daily, water is changed daily, after the D-shaped larvae appear eye spots, a larval collector is put in, and algal feed and growth promoting solution are fed daily, the larvae are cultivated into 0.8-1 mm juvenile shellfish, and are transferred to sea cultivation; the growth nutrient solution comprises the following components in weight parts: 1-2 parts of a small molecule peptide solution, 0.01-0.03 parts of neomycin sulfate powder, 0.5-1 part of corn starch, 2-4 parts of modified montmorillonite, and 10-15 parts of water. The method for cultivating oyster larvae has the advantages that the survival rate of the larvae is improved, the growth speed is accelerated, and the metamorphosis and attachment rate is improved.

The invention discloses oyster pallium hexapeptide with an effect of promoting osteogenesis as well as a preparation method and application of the oyster pallium hexapeptide. The amino acid sequence of the oyster pallium hexapeptide is Phe-Phe-Glu-Pro-Lys-Phe. Fresh oyster mantle is used as a raw material, pepsin and trypsin are used for hydrolysis and centrifugation to obtain supernate, then ultrafiltration is carried out to obtain filtrate with the molecular weight being 1000 Da or below, finally freeze drying is carried out, the sequence of oyster hydrolytic peptide is obtained through mass spectrum identification, and by means of a molecular docking technology and a database prediction simulation method, the oyster hydrolytic peptide is obtained. Oyster peptide with high osteogenesis promoting capacity is screened from a plurality of peptide sequences. The oyster hexapeptide obtained by the invention has the effects of improving osteoblast proliferation and differentiation capacity and improving dexamethasone-induced zebra fish bone loss, and can be used as a beneficial dietary supplement in related products for delaying bone loss.

The utility model relates to the technical field of devices for raising oysters, in particular to a device for raising oysters, which comprises a woven basket for containing oysters and a lifting handle for lifting and fixing the woven basket, the top of the woven basket woven by a plurality of PP (polypropylene) belts is fixedly connected with the lifting handle, and the top of the woven basket is fixedly connected with the lifting handle. One end of the top of the woven basket is fixedly connected with a shielding belt, one side of the shielding belt is provided with a fixing assembly, the fixing assembly comprises a rubber ball, a rubber block and a through hole, the bottom of the shielding belt is fixedly connected with the rubber ball, and the rear side of the woven basket is fixedly connected with a plurality of rubber blocks. Through the arrangement of the woven basket, the shielding belt and the fixing assembly, the shielding belt simply fixes the fresh oysters placed in the woven basket, the fresh oysters are not prone to escaping in the breeding process, the fixing process of the breeding mode is simpler, more convenient and environmentally friendly, and compared with a cement hanging breeding mode, the mode avoids the tedious process of fixing the fresh oysters.

The utility model relates to the technical field of anti-storm structures, and discloses an oyster breeding floating mat anti-storm structure which comprises a plurality of connecting plates and fixing plates, the two sides of the inner wall of each connecting plate penetrate through and are fixedly connected with second springs which are evenly distributed, and the other ends of the second springs are fixedly connected with limiting plates. The limiting plates are fixedly connected with the connecting plates, the limiting plates are slidably connected with the connecting plates, anti-skid plates are fixedly connected to one sides of the limiting plates, the anti-skid plates are slidably connected with the connecting plates, uniformly-distributed bearing grooves are formed in the tops of the fixing plates, and fixing blocks are slidably connected to the inner walls of the bearing grooves. The two sides of the fixing block penetrate through and are fixedly connected with first springs. According to the floating mat, through linkage among the bearing grooves, the fixing blocks, the first springs, the sliding rods, the second springs, the limiting plates and the anti-skid plates, the number of the connecting plates can be increased or decreased according to needs, the size of the floating mat is adjusted, and therefore the floating mat can meet the breeding requirements of different water areas.

An aquaculture device designed to hold and secure marine species such as scallops, urchins, or oysters in an underwater environment while they grow, the device configured to be deployed and retrieved in a manner similar to conventional commercial fishing gear.

The invention relates to the technical field of artificial cultivation of oysters, in particular to a method for artificially cultivating oysters. Comprising the following steps: (1) selecting oyster parents, and after ripening, carrying out artificial insemination and hatching to obtain oyster larvae; a ripening agent is used during ripening; (2) cultivating the oyster larvae obtained in the step (1), feeding the oyster larvae with initial feed to obtain young oysters, and feeding the young oysters with artificial feed after the young oysters are attached and metamorphosed; (3) performing intermediate culture on the oyster seedlings obtained in the step (2) to obtain juvenile mollusks; and (4) transferring the juvenile mollusks to a breeding farm to breed for 12-18 months. According to the method, high yield, high efficiency and high quality of oyster culture are achieved through an innovative ripening technology, precise nutrition allocation and scientific environment management, a reliable solution is provided for sustainable development of the oyster industry, and the method has wide application prospects.

The utility model discloses an automatic weighing and bagging device for oysters, and belongs to the technical field of aquatic product treatment. Comprising a feeding pipe obliquely arranged on a frame body, a stock bin is located at the low end of the feeding pipe and communicates with the feeding pipe, a servo motor used for driving a rotating shaft to rotate is arranged at the high end of the feeding pipe, the rotating shaft is arranged in the feeding pipe in a penetrating mode and rotationally connected with the feeding pipe, and spiral conveying blades connected to the periphery of the rotating shaft are arranged in the feeding pipe; a discharging port is formed in the top of the feeding pipe, a material receiving bin installed on the frame body is arranged below the discharging port, a weighing sensor is arranged between the material receiving bin and the frame body and connected with a controller, a sliding baffle is arranged at an outlet in the bottom of the material receiving bin and connected with an air cylinder, and the air cylinder is connected with the controller. The controller controls the air cylinder and the servo motor. The automatic weighing and bagging device has the advantages that manual work is replaced, automatic weighing and bagging are achieved, efficiency is improved, and work intensity and labor cost are reduced.

SYSTEM FOR THE FARMING OF SHELLFISH BIVALVE MOLLUSCS COMPRISING A BAG AND A MEANS OF ATTACHMENT TO A TABLE. System for oyster farming comprising: a bag (2) for containing shellfed bivalve molluscs and adapted to be attached to a retaining bar of a farming table; a tubular retaining element (22) placed in the bag to allow attachment of said bag to a retaining bar of a farming table; an attachment system (1) for attaching the tubular retaining element to the retaining bar, said attachment system comprising: a part (4) comprising two rings; a movable cleat (10) adapted to be inserted into at least one ring of the part and intended to be held in contact with said ring by a tie; a tie intended to be attached to the movable cleat and to the retaining bar of the table. Figure for the abstract: Fig. 2

‘WUR SF3’ is a new variety of oyster mushroom that produces no spores and has well-developed fleshy caps.

1. The name of the design product: oyster knife (hollow handle 2). 2. The use of the design product: for prying open shellfish such as oysters. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The invention discloses a method for efficiently producing triploid oysters, and belongs to the technical field of aquaculture breeding. The method comprises the following steps: S1, obtaining sperms and ova of diploid oysters, and carrying out sperm-ova mixed fertilization; s2, performing induction treatment on the fertilized eggs to inhibit release of a second polar body; s3, collecting fertilized eggs subjected to induction treatment, cleaning, and hatching to a larva stage; s4, 24-72 hours after fertilization, screening based on larva individual size differences, and collecting a target larva population; and S5, culturing the larvae screened in the step S4. According to the method provided by the invention, even if the initial induction rate is only about 70%, the larva population with the triploid rate higher than 90% can be stably obtained finally, the hatching rate and the survival rate are high, the method is easy and convenient to operate, and the requirement for induction conditions is low; the method is suitable for triploid preparation of precious oyster varieties in which a large number of fertilized eggs are difficult to obtain under strong induction conditions or oyster strains with important economic characters.

The invention discloses an intelligent diagnosis method for oyster diseases based on deep transfer learning. The method comprises the following steps: collecting oyster image data and constructing a multi-scale standard training data set; carrying out transfer learning by utilizing a visual Transform model pre-trained on the basis of an ImageNet data set, and optimizing a feature extraction layer weight of the model through a layer-by-layer reverse sequence progressive training strategy; constructing a plurality of gating groove attention units with gradually increased resolutions, and dynamically adjusting the disease image features; an asynchronously triggered synaptic gating unit is adopted to adjust the features in real time, so that the accurate capture capability of the disease features is enhanced; and driving a parallel cascade classification network by using fusion feature expression, and outputting an oyster disease diagnosis result in real time through step-by-step refined classification. According to the invention, high-accuracy and real-time oyster disease diagnosis can be realized, and the method has a relatively strong application prospect.

The invention provides a method for judging culture feasibility of oysters in a nuclear power plant warm drainage sea area. The method comprises the steps that whether a culture sea area in the nuclear power plant warm drainage sea area meets oyster culture conditions or not is judged; if the oyster breeding conditions are met, a plurality of raft frames for oyster breeding are arranged in the breeding sea area according to a preset installation mode; oyster breeding is carried out on a plurality of raft frames in the breeding sea area in a cage breeding mode. Monomer oyster fries uniform in size are selected, the specification of each oyster is 15-25 g, and the stocking density is 10-15 per layer; and S4, continuously culturing until the specification of the oysters is more than 100g / grain, then harvesting and detecting, and if the radioactive substance limitation requirement is met, judging that the oysters can be sold. According to the method, the problem that oyster culture is not carried out in the warm drainage sea area of the nuclear power plant due to various doubts at present is solved by researching culture sea area conditions suitable for the warm drainage sea area of the oyster culture nuclear power plant and optimal conditions for culturing oysters in the culture sea area.