207 results about "Coral" patented technology

The invention discloses polypropylene fiber coral concrete and a preparation method thereof. The concrete is composed of coral concrete and polypropylene fibers, wherein the coral concrete is in C30 grade and comprises the following components per cubic meter: 405kg of cement, 45kg of coal ash, 830kg of medium sand, 716kg of coral, 180kg of seawater and 4.5kg of water reducing agent; the polypropylene fibers are unifilar bunchy short fibers and respectively 19mm in length; the tensile strength of the polypropylene fibers is greater than 500MPa. The preparation method comprises the following steps: pouring the sand and the coral into a stirrer for stirring; adding the polypropylene fibers and performing dry stirring evenly; then adding one half of seawater and stirring; and finally, adding the cement, the coal ash, the water reducing agent and the rest of seawater and evenly stirring so as to obtain the polypropylene fiber coral concrete. The polypropylene fiber coral concrete is excellent in splitting tensile strength and rupture strength, and is good in toughness, crack resistance and permeability resistance at the same time. In addition, the polypropylene fiber coral concrete has the advantages of light weight, low cost and the like, and can be prepared by utilizing local materials. Thus, the maintenance of maritime rights and interests and the development and the utilization of marine resources are facilitated. As a result, the polypropylene fiber coral concrete accords with requirements of the maritime strategy in China.

The invention discloses ultra-high performance concrete mixed with seawater and prepared from full coral aggregate. The concrete comprises cement, silica fume, slag, micro-beads, coral fine sand, coral medium sand, coral coarse sand, polyvinyl alcohol fiber, polypropylene fiber, a polycarboxylate superplasticizer and seawater in a weight ratio of 1: (0.38-0.41): (0.23-0.26): (0.092-0.13): (0.38-0.42): (0.99-1.13): (0.2-0.22): (0.008-0.01): (0.026-0.028): (0.038-0.041): (0.38-0.41). The invention further discloses a preparation method of the ultra-high performance concrete mixed with seawater and prepared from full coral aggregate. The concrete provided by the invention not only has good mechanical properties and durability, but also has the characteristics of low self-contractibility and high compactness.

The invention provides a cheap modified paint self-cleaning coating with super-hydrophobicity and a preparation method thereof, wherein the prepared cheap modified paint self-cleaning coating with the super-hydrophobicity has a nanometer rough surface structure with a coralline or coralline-like surface; the coating is 50-1000 nm in thickness; and a contact angle of water drop on the surface of the coating is 130-150 degrees. The method provided by the invention has the characteristics of simple technology, good repeatability, low cost and unnecessity of high-cost hydrophobic agent for reducing surface free energy. The modified coating, prepared according to the preparation method provided by the invention, can be used for forming films on various base surfaces consisting of construction outer surface, engineering material surface, mining machinery surface and the like, so that the hydrophobicity can be improved, therefore the outdoor service life is prolonged.

The invention discloses an extracting process for a club fungi polysaccharide. The extracting process comprises the following steps: carrying out the pretreatment of raw materials, carrying out the hot water leaching, ultrasonic extraction or microwave extraction, and storing the extract after concentration, alcohol deposition, centrifugation and drying, wherein the hot water leaching method has moderate conditions and simple operation; and the ultrasonic extraction method and the microwave extraction method can save time and improve the extraction efficiency. The extracted club fungi polysaccharide has an inhibition rate of 70 percent for little white rat S-180 and Ehrlich carcinoma, and has the functions of improving the immunity, diminishing inflammation, easing pain, and the like.

The invention belongs to the technical field of marine coral biological research, and particularly relates to a coral distribution and health condition evaluation method based on deep clustering analysis. Acquired video images are spliced into a large image through an improved image splicing algorithm, target recognition detection is performed on warm water coral through a deep learning algorithm,then image segmentation is performed on a recognition target through a k-means segmentation algorithm, and finally coral distribution and health conditions are researched. According to the method provided by the invention, the image splicing efficiency is improved; smooth seamless splicing of the coral images is realized; the coral in the image is rapidly detected by using the YOLOV3, the coral coverage rate is improved by calculating the coral area through image segmentation, so that the overall calculation rate of coral distribution and health conditions is greatly improved, and a good effect is achieved for researching the coral reef distribution condition and health conditions.

There are disclosed a porous composite comprising silicon-substituted hydroxyapatite and β-tricalcium phosphate (β-TCP), and a method for preparing the same. The porous composite is prepared by subjecting natural coral to hydrothermal and solvothermal reactions to prepare silicon-substituted hydroxyapatite (Si-HA) and subjecting the Si-HA to a heat treatment process. Thereafter, Si-HA and β-TCP may be mixed in the porous composite. As a result, the porous composite is excellent in biocompatibility and biodegradability. Also, the porous composite functions to maintain the microstructure of coral and is similar to natural bone in terms of composition and shape. Accordingly, the porous composite may be effectively used as a bone tissue repairing material and a bone graft material that can substitute for human hard tissue.

The invention discloses an underwater corallum cultivation nursery garden. The underwater corallum cultivation nursery garden comprises a seedbed and transplanting blocks which are laid on the seedbed, wherein the seedbed is of a steel pipe frame structure and is formed by socket connection of vertical pipes, transverse pipes and longitudinal pipes, and the transplanting blocks are provided with transplanting grooves for placing the corallum. The underwater corallum cultivation nursery garden has the advantages that the fragments and larvae of corals can be bred in situ to have a period of adaptation and then are transplanted when the corals grow to proper size, so that the coral transplanting survival rate can be effectively improved; since a coral nursery garden is a small ecological system, the conservation of species can be facilitated, the habitat is prevented from being degenerated and the diversity of communities is improved. The underwater corallum cultivation nursery garden has an important application value in the aspects of sea area and coastal zone ecological restoration, especially restoration, repair and reconstruction of coral reefs and ecological systems thereof.

The invention discloses a mixed red coral planting reef which comprises a red coral planting reef body. The mixed red coral planting reef is characterized in that the red coral planting reef body is formed by a base, a lower layer outer wall, a middle layer outer wall, an upper layer outer wall, lower polygon outer wall lateral columns, middle polygon outer wall lateral columns, upper polygon outer wall lateral columns, lower square outer wall lateral columns, middle square outer wall lateral columns, upper square outer wall lateral columns, a lower middle partition plate, an upper middle partition plate, a lower breeding support, a middle breeding support and an upper breeding support, and the parts are assembled and combined in an embedded connection mode and fixed in a bonded mode through concrete. The mixed red coral planting reef can provide a safe growth environment for red corals and can serve as a common fish reef to lure fishes, and an imitated seabed ecological system is formed to promote growth of the corals while the fishing volume is increased. The mixed red coral planting reef can be suitable for being applied in a coastal water area with any water depth.

The artificial reef module for coral reef remediation of the present invention includes a central body having an upper settling plate, a middle settling plate, and a lower settling plate. Extending from the central body is a plurality of primary tines which further include a plurality of secondary tines extending from them. The primary tines include the supporting tines, the stabilizing tines, and the space filling tines. The branching of the tines closely replicates the appearance of natural branching coral. Over time the individual artificial reef modules for coral reef remediation would slowly degrade and allow the tines to break off. This degradation closely approximates the fragmentation that occurs with natural branching coral.

The invention discloses carbon fiber coral concrete and a preparation method thereof. The carbon fiber coral concrete consists of coral concrete and carbon fibers, wherein the coral concrete is at the grade of C30; the coral concrete of each cubic meter comprises the following components: 450 kg of cement, 830 kg of medium sand, 716 kg of corals and 180 kg of seawater; the length of the carbon fibers is 20 mm; the tensile strength is greater than 3,000 MPa. The carbon fiber coral concrete is prepared by pouring the sand and the corals into a stirrer, stirring, adding the carbon fibers, stirring uniformly in a dry state, adding 1/2 seawater and stirring, finally adding the cement and the remaining seawater and stirring uniformly. The carbon fiber coral concrete disclosed by the invention has high splitting tensile strength and breaking strength, meanwhile, has high toughness and crack performance, has the advantages of light weight, high convenience, low construction cost, high heat preservation and insulation performance and the like, and can be widely applied to the field of marine civil engineering.

The invention discloses a seabed volcanic rock sampling device for marine mineral exploration. The sampling device comprises a sampling body, and connecting rings which are annularly distributed at equal intervals are welded on the outer wall of the top of the sampling body, and fixed blocks which are annularly distributed at equal intervals are welded on the outer wall of one side of the samplingbody; connecting lugs which are annularly distributed at equal intervals are welded at the edge of the outer wall of the bottom of the sampling body; circular through holes are formed in the outer walls of one sides of the connecting lugs, bending arms are inserted into the circular through holes, damping legs are welded to the outer walls of the bottoms of the bending arms, supporting legs are welded to the outer walls of the bottoms of the damping legs, antiskid lines are formed in the outer walls of the bottoms of the supporting legs, damping rods are arranged on the outer walls of the bottoms of the fixing blocks, and shaft sleeves are welded to the bottom ends of the damping rods. Marine organisms such as coral and sea grass around the surface layer of the sampling layer can be crushed and removed, and the situation that the sampling layer is broken in the sampling drilling process, the sampling layer is damaged, and the sampling result is affected can be prevented.

The invention discloses an assembly type artificial fish reef. The assembly type artificial fish reef comprises a foundation base, an artificial fish reef assembly module and connecting pieces. The foundation base is of a frame cage type structure formed by combining prefabricated beam columns. The frame cage type structure comprises a prefabricated beam and a prefabricated plate. The prefabricated beam and the prefabricated plate are formed by pouring FRP rib materials and coral aggregate seawater sea sand concrete. The artificial fish reef assembly module comprises a main framework and standcolumns located at the bottom of the main framework, wherein the main framework and the stand columns are integrally cast and formed. The main framework is formed by pouring FRP rib materials and fiber foam concrete. The stand columns are formed by pouring FRP rib materials and coral aggregate seawater sea sand concrete. The connecting pieces penetrate through embedded parts to realize fixed connection of the foundation base and the artificial fish reef assembly module. According to the assembly type artificial fish reef, casting forming of each module structure of the artificial fish reef isrealized by adopting FRP concrete materials, and then assembly is carried out through the connecting pieces, so that the attachment of aquatic organisms is easy, the rapid turnover of funds is facilitated, and the service life of the artificial fish reef is prolonged.

Disclosed is a floating three-dimensional device for culturing coral in seawater. The device comprises a floating body, a connecting body and a floating body connector, and the connecting body is arranged in the seawater; the connecting body comprises a connecting object and a base; the floating body is connected with the connecting object; the connecting object is provided with the base; the baseis fixedly provided with the coral. The device can be not only used for the ultra-large-scale culture of the coral but also used as attachment land for some bacteria, algae and the like in a marine ecosystem or provide a habitat place for other organisms such as certain zooplankton, the growth surface area of marine organisms is increased, and the device has important ecological significance; thedevice can also be used for adjusting the materials and numbers of all parts according to actual conditions, all the parts can be freely combined into different configurations, and the device has high applicability.

The invention discloses a combined foundation structure suitable for a lagoon face island-reef environment and a construction method thereof, and relates to the field of geotechnical designs and island-reef development. The combined foundation structure suitable for the lagoon face island-reef environment and the construction method thereof are suitable for coral lagoon geological conditions. The combined foundation structure suitable for the lagoon face island-reef environment comprises high-pressure jet grouting stabilization piles, a prefabricated caisson, lateral restraining high-pressure jet grouting piles, prefabricated bored sinking pipe piles and a prefabricated bearing platform, wherein the prefabricated caisson is located on the high-pressure jet grouting stabilization piles and in a curtain structure formed by the lateral restraining high-pressure jet grouting piles and is in rigid connection with the prefabricated bearing platform into a whole for collaborative bearing through the prefabricated bored sinking pipe piles. The combined foundation structure suitable for the lagoon face island-reef environment and the construction method thereof not only overcome the disadvantageous engineering characteristics of a coral lagoon foundation structure such as high structural performance, low bearing capacity and large deformation, but also bring the bearing capacity of each layer of rock and earth mass of the coral lagoon foundation structure into full play, have the characteristics of large rigidity, high bearing capacity and fast, excellent and economical construction and the like, have the advantage of adapting to construction in island areas, have broad application prospects, and make it possible to build an airport and other overhead reclamation engineering on a coral lagoon foundation.

The invention discloses an underwater adhesive for live coral transplantation. The adhesive comprises a component A and a component B, wherein the mass ratio of the component A to the component B is (1.57-2.8):1; the component A comprises the following components in parts by mass: 43-65 parts of hydrophobic epoxy resin, 0.8-1.5 parts of a coupling agent, 2-3.5 parts of a flexibilizer, 0.2-0.4 part of a diluent and 3-8 parts of water absorbing filler; the component B comprises the following components in parts by mass: 25-50 parts of a hydrophobic curing agent and 1-2.5 parts of an accelerant. The adhesive has the advantages of being nontoxic, short in curing time, high in bonding strength and convenient to operate, the effect of toxic components on live corals can be avoided, the secondary harm to a transplanted coral single body can be avoided, and the survival rate of coral transplantation is greatly increased. The invention also discloses a preparation method of the underwater adhesive for live coral transplantation.

The invention discloses a technological method for improving the mechanical performance of coral aggregate based on a pre-slurry-wrapping method. The technological method comprises the steps: with the water-binder ratio, the mixing amount of admixtures and the cementing time after slurry wrapping being considered, measuring the apparent density, the water absorption rate and the crushing index of the same batch of coral aggregates; and grouping the same batch of coral aggregates and pre-wrapping the coral aggregates by adopting wrapping slurries with different water-binder ratios, determining the apparent density, the water absorption rate and the crushing index of the coral aggregates again after the slurries and the aggregates are bonded for 7 days and 14 days, and comparing with corresponding data of the original coral aggregates so as to detect whether the pre-slurry-wrapping method improves the mechanical properties of the coral aggregates or not. The invention provides a whole set of technological method for improving the mechanical performance of the coral aggregate based on the pre-slurry-wrapping method, and the technological method has important significance in using the coral aggregate as concrete aggregate and applying the concrete aggregate to ocean island reef reinforced concrete engineering construction.

Oceans are warming becoming more acidic, and coral reefs are rapidly declining primarily due to anthropogenic global warming (climate change). Methods must be found to preserve as many of the 3000 species of soft corals as possible before they are gone. Maintaining biodiversity on coral reefs is essential to a balanced healthy reef. Since the chances of a political solution to reducing greenhouses gases are very unlikely, steps must be taken now to collect, preserve, and propagate as many marine reef organisms as possible including soft corals. Propagation methods of stony corals are well known, but soft corals are far more difficult to propagate due to their lack of a stony skeleton. This invention presents three methods for high volume, efficient, and inexpensive propagation of soft corals Alcyonacea (Octocorallia) and Corallimorpharia. Two methods use cubes in an eggcrate matrix, and the third involves propagating soft corals on glass plates.

The embodiment of the invention provides a floating type seabed data measurement method and device and electronic equipment, and relates to the field of image recognition. The floating type seabed data measurement method comprises the steps: firstly obtaining a seabed scanning image on the ocean surface of a to-be-measured region through a floating type image collection device; splicing and preprocessing the seabed scanning images to obtain a seabed planar graph of the to-be-measured area; and finally, based on a pre-trained coral classification model, determining distribution areas of variouscorals in the seabed planar graph. Therefore, according to the technical scheme provided by the embodiment of the invention, measurement can be carried out on the water surface without underwater visual inspection, and the technical problems of low measurement accuracy and long measurement time in the prior art are relieved, and the accuracy of a measurement result can be improved, and the measurement time is shortened, and the measurement efficiency is improved.

The invention discloses a bionic marine antifouling skin and a preparation method thereof, and belongs to the technical field of bionic materials. The bionic marine antifouling skin is composed of a bottom layer, a porous microstructure layer, microcapsules, coral-imitating tentacles and coral-imitating mucus; the bottom layer is formed by compounding silicone rubber and polyurethane, and the thickness of the bottom layer is 1-5 mm; the porous structure layer is made of a silicon rubber material, and the thickness of the porous structure layer is 1-5mm; the aperture of the porous structure is 1-100mu m, and the porous structure layer also comprises 1-3wt% of microcapsules, wherein the microcapsules wrap silicone oil or edible oil; the surface of the porous structure layer is also provided with coral-imitating tentacles, the coral-imitating tentacles are made of silicon rubber, the tentacles are trapezoidal cylinders or circular truncated cones, the height h of the tentacles is 5-15mm, the distance a of circle centers of the tentacles ranges from 1 mm to 5 mm, and the ratio m: n of the diameter of the tail ends of the tentacles to the diameter of the bottoms of the tentacles ranges from 0.5 to 0.8; and the coral-imitating mucus is silicone oil or edible oil and is coated on the surface of the porous structure layer. The material has the characteristics of strong adsorption and antifouling property, and by adding the microcapsule, the stability of SLIPS is improved.

The invention discloses a coralline calcarenite and coralline calcirudite similar material, a preparation method therefor and an application of the coralline calcarenite and coralline calcirudite similar material. The similar material comprises the ingredients: aggregates: barite powder, quartz sand and calcareous sand; and cementing materials: cement and high-strength gypsum. According to the similar material and the preparation method therefor, provided by the invention, the brittleness of the material is improved by selecting the barite powder, the quartz sand and the high-strength gypsum,and the porosity of the material is improved due to the calcareous sand; and the materials are shaken up during preparation, so that the improvement on the strength of the material and exertion of brittle characteristic of the high-strength gypsum are facilitated. Normal-temperature curing is employed after preparation is complete, the setting time is short, characteristics of coralline calcarenite and coralline calcirudite are successfully simulated, the production process is simple, the cost is low, the performance is stable, and technical requirements of three-dimensional physical model tests are met.