266 results about "Spongilla" patented technology

The invention discloses a method for preparing efficient hydrophobic oil-absorbing sponge.According to the method, porous sponge serves as a base body, an organic silicon hydrophobic layer is formed on the surface of the sponge through simple soaking and solidifying, the original water-absorbing oil-absorbing amphipathic sponge becomes the hydrophobic oil-absorbing sponge, and the method is a surface modification method capable of easily and effectively changing sponge performance.The method is easy to operate, raw materials are low in price and easy to obtain, the prepared three-dimensional hydrophobic oil-absorbing sponge is an automatic and efficient oil-water separation material, and a cheap scheme can be provided for purification of crude oil polluted seawater and oil-containing industrial wastewater.

The present invention relates to a sponge material with a polyurethane sponge surface modified by constructing a zinc oxide fine structure, and a preparation method thereof. According to the preparation method, a sol-gel method and a hydrothermal method are combined to use, wherein prepared zinc oxide nanometer crystal seeds are uniformly paved on the polyurethane sponge surface through the sol-gel method; then zinc oxide nano-rods grow on the surface in a directional manner through the hydrothermal synthesis method; a long-chain fatty acid-palmitic acid is adopted to modify so as to achieve super-hydrophobicity; and finally the hydrophobic effect and the oil absorption capacity of the modified sponge are determined. According to the present invention, the special morphology structure of zinc oxide is adopted to construct the super-hydrophobic sponge surface, and the super oil absorption capacity of the sponge surface is not affected, such that the sponge material has potential application value for petroleum-contaminated water body repair.

The invention relates to a melamine sponge modified with MXene / tetradecylamine on the surface. Melamine sponge is used as a matrix, and the surface of the sponge is modified with MXene by utilizing asolution impregnation process to construct a micro / nano structure; and then the surface of MXeneis is grafted with tetradecylamine to carry out surface modification in order to finally obtain the efficient oil-water separation sponge with the superhydrophobic-superoleophylic performance. The operation process is simple, raw materials are easy to obtain, and the finally prepared oil-water separation sponge has an excellent absorption performance and a good cyclic utilization performance on different oil products, can realize efficient separation and recovery of different oil-water mixtures, andrelieves huge pressure of the ecological environment.

The invention relates to a nerve growth factor sponginum and a preparation method thereof, belonging to the technical field of medicine. The sponginum comprises nerve growth factor with weight percent content being 0.01-2% and collagen sponge or gelatin sponge matrix, the nerve growth factor is fixed on the collagen sponge or gelatin sponge matrix in a crosslinking way by an aldehydes crosslinker. The sponginum can cause the nerve growth factor to be released to the nerve pathology or wound tissue partial position continuously for a long time in effective dose, and play a role in effectively curing nerve tissue damage.

The invention relates to the field of dressing preparation, and relates to a composite sponge material and a preparation method thereof. It solves the problem that the adsorption capacity of the composite sponge in the prior art is small, the bacteria body is easy to fall off, needs to be replaced frequently, the use is inconvenient, and the use cost is high. Provide a composite sponge containing polyvinyl alcohol, calcium alginate, pectin, etc., which has good elasticity, good flexibility, high water content, good disinfection and sterilization effects, and has the advantages of large adsorption capacity and difficult for bacteria to fall off. material, and a method for preparing a composite sponge material with simple operation and high efficiency.

The invention discloses a method for cultivating earthworms for experiment, belonging to the technical field of cultivating special animals. The method comprises the following steps of: paving a layer of sponge in a cultivating box, spraying water until the sponge is wet; putting the sponge layer into a cultivating bed which is paved by soil and bait into layers according to different proportions, wherein the height of the cultivating bed is 18-25cm; when cultivating pheretima guillelmi, controlling pH of the soil within 6-7, placing the bait which accounts for 0.5-1% by weight of the soil at1-2cm of the surface of the soil, controlling water content of the cultivating bed within 50-70%, putting the earthworms in the cultivating bed; when cultivating eisenia foetida, controlling pH of the soil within 6-7, placing the bait which accounts for 1-2% by weight of the soil on the top of the soil, controlling water content of the cultivating bed within 40-80%, wherein the cultivation is carried out under the condition of illumination. The method is simple in operation, and capable of effectively improving survival and activity of the earthworms, and the conditions are easy to control.

The invention provides a water distribution device in a water cold accumulation system and belongs to the field of energy accumulation. The water cold accumulation system comprises a cold accumulation tank. The water distribution device comprises a trapezoid shell with a cavity inside. The top end of the shell is a water inlet end. A plurality of first water holes are formed in the bottom end of the shell. The bottom end of the shell is communicated with the cold accumulation tank. A trapezoid sponge matched with the shell is disposed in the shell. The bottom end of the sponge is abutted against the bottom end of the shell. A circular water guide plate is disposed above the sponge and fixedly connected to the inner wall of the shell. A plurality of second water holes are formed in the water guide plate. A buffer device is disposed above the water guide plate. The buffer device comprises a buffer plate. The buffer plate is located right below the port of the water inlet end of the shell and provided with a plurality of third water holes. A gap is reserved between the buffer plate and the inner wall of the shell. The buffer plate is fixedly connected in the shell. The water distribution device is good in water distribution effect, ingenious in structural design and even and slow in water discharge.

An air-permeable sponge composition and a method for preparing an air-permeable sponge by using the same belong to the field of articles for daily use. An air-permeable sponge composition includes a sponge body and an air-permeable coating, and an outer surface layer of the sponge body being coated with the air-permeable coating. A method for making the air-permeable sponge utilizes the composition of the air-permeable sponge, wherein the air-permeable sponge is made from the air-permeable sponge composition under specific process parameters. The sponge body and air-permeable coating have the same or similar contents of isocyanate, polyether polyol and polymeric polyol and a similar porous structure.

The invention relates to the fields of medicines and novel pesticides, in particular to a cyclopiazonic acid compound and preparation and application thereof. The cyclopiazonic acid compound is 3-hydroxyl speradine A as described in formula (I) in the specification. The compound is used as a pesticide, a plant growth regulator or an antineoplastic drug. According to the invention, the novel cyclopiazonic acid compound with hydroxyl substitution at position 3 is obtained from marine sponge-associated fungi. The preparation of the compound provided by the invention is simple and efficient, and the prepared compound has high purity. A strain referred to in the invention has a reference value for further development and utilization of marine microbial resources.

The invention discloses an aquaculture water-break bypass treatment and ecological repairing circulation treatment method. A system comprises an aeration oxidation pond, artificial floating islands, aflocculation precipitation pond, a multi-stage surface flow and subsurface wetland which are sequentially connected. By using a pretreatment technique of the aeration oxidation pond and the flocculation precipitation pond, pollutants and total phosphorus in wastewater can be efficiently removed; due to adoption of plants, benthonic animals and microorganisms in the multi-stage surface flow and subsurface wetland, the water environment and the water transparency can be remarkably improved, and a water body can be earth surface type-V water. A purified water body is circulated in the wetland toform a landscape water body. When water is taken from an aquaculture pond as seasonal water, the water is recycled into the aquaculture pond, then aquaculture recycling and reuse can be achieved, a circulation ecological breeding system in the pond can be formed, and the city water body environment can be improved; in case of ecological water shortage, the water can be used as a city sponge waterbody which is returned to rivers.

A desalination apparatus is disclosed which uses a salt sponge unit to remove a majority of salt from water. A parallel plate capacitor can be connected after the salt sponge to remove remaining salt ions. The salt sponge is a nanoporous, high surface area carbon scaffold to which crown ethers are attached. A power supply is connected to the salt sponges for applying a bias voltage to regenerate the salt sponges. A chlorine treatment unit can be connected after the parallel plate capacitor. A method of purifying sea water using the apparatus also is disclosed.

The invention provides an integrated system suitable for ecological restoration and breeding in a tidal flat wind power farm and a monitoring combined system for environments in the wind power farm, and belongs to the field of marine renewable energy source utilization. In order to solve the problem of tidal flat ecological degradation in the tidal flat wind power farm, a cone-shaped net cage vertically includes an upper layer, a middle layer and a lower layer, a plant net cage for planting aquatic plants that can be used for tidal flat ecological restoration is arranged at the upper layer, asponge net cage provided with a sponge layer that can store water is arranged at the middle layer, the aquatic plants of the upper layer are planted and fixed in the sponge layer, the lower layer is isolated by the sponge layer located above the lower layer and a gravity filler located below the lower layer, the isolation space and the cone-shaped part form a culture net cage located at the lowerlayer, the lower layer and the gravity filler part are located in tidal flat mud, gaps formed among the gravity filler are filled by the tidal flat mud, the surface of the gravity filler is partiallycovered by the tidal flat mud, and the part of the tidal flat mud in the breeding net cage is the living space of bred organisms. The systems have the effect of reducing the impact of the wind power farm on the tidal flat environments.

The invention discloses a sponge material of collagen from freshwater fish and a preparation method thereof. The method comprises the following steps: 1) dissolving collagen of freshwater fish in a solution of diluted acid to obtain a collagen solution; 2) adding a phosphate buffer solution into the collagen solution, and regulating the pH value to 6.0-6.5; 3) performing ultrasound process, regulating the pH value of the processed solution to 7.0-7.6, and placing the solution in water baths at the temperature of 25-33 DEG C and 20-28 DEG C, each for 2-10 hours respectively, to obtain muddy collagen colloid; 5) performing centrifugation process on the muddy collagen colloid to obtain concentrated collagen colloid; 6) pouring the concentrated collagen colloid into a mold after cleaning and centrifugation, and performing ultrasound process and freeze drying to obtain the sponge material of the collagen from freshwater fish. The sponge material of the collagen prepared through the method provided by the invention has a higher density; collagen molecules are tightly combined with one another in the form of reorganized fiber; the product has a better performance consistency and in vivo stability.

The present invention provides a hemostatic composite sponge comprising a porous matrix of a biomaterial and a material enhancing the adherence of said sponge to the applied tissue stably associated with at least one surface of said sponge, a method of producing these sponges and their use in hemostasis.

The invention discloses a method for preparing efficient oil-water separation sponge. Porous sponge sold on the market is adopted as a base body, an addition reaction of polymethylhydrosiloxane (PHMS) and tetravinyl tetramethylcyclotetrasiloxane (Vid4) is adopted, an organosiloxane coating is established on the surface of the sponge, that is, an organic silicone hydrophobic material is obtained, and thus the efficient oil-water separation sponge with a high superhydrophobicity characteristic and a super-oleophilicity characteristic is prepared. The method is simple in operation, raw materials are cheap and easy to obtain, the prepared efficient oil-water separation sponge can separate oil / water mixtures in a layered mode efficiently and automatically and can be recycled, and a new thought is provided for developing an intelligent oil-water separation material and relieving huge pressure of the ecological environment.

The present invention provides a hemostatic composite sponge comprising a porous matrix of a biomaterial and a material enhancing the adherence of said sponge to the applied tissue stably associated with at least one surface of said sponge, a method of producing these sponges and their use in hemostasis.

The invention discloses a sponge coated by metal organic skeleton material coated graphene and a preparation method thereof. The preparation method is characterized by comprising the following steps: soaking sponge in an oxidized graphene solution, carrying out centrifugation, drying, then soaking sponge in a synthesis mother liquid of a metal organic skeleton material, allowing sponge to grow in the mother liquid for a while, then taking out the sponge, and drying to obtain the sponge coated by metal organic skeleton material coated graphene. Through the acting force between a metal organic skeleton material and oxidized graphene, the material can massively grow and be wrapped in graphene coated sponge, and due to the hydrophobic and oleophylic properties of the metal organic skeleton material, the obtained sponge can be used to separate oil and water and simulate crude oil recovery on the sea.

The present invention relates to an artificial ecological floating island, which comprises a bracket, wherein the bracket comprises an upper bracket and a lower bracket, the upper bracket and the lower bracket are connected through a connection member, the upper bracket is provided with a plurality of floats, the bracket is sequentially filled with a carbon fiber membrane layer, a suspension filler layer and a sponge matrix layer from bottom to top, aquatic plants are planted on the sponge matrix layer, the lower side of the carbon fiber membrane layer is provided with an aeration port, the upper bracket is provided with a buoy, the buoy is provided with a gas bubble generation device and a RTU wireless remote measurement and control terminal device, the gas bubble generation device and the aeration port are connected through a pipeline, the gas bubble generation device and the RTU wireless remote measurement and control terminal device are connected, and the RTU wireless remote measurement and control terminal device is connected to a distant remote operation device through a wireless signal. According to the present invention, the artificial ecological floating island cannot cause secondary pollution to the water body, can promote the water body to restore the self-repair function, and can strengthen the self-purification ability of the water body.

The invention discloses an artificial eel hatching box which comprises a box body and a sponge placed at the bottom of the box body. A water outlet is formed in the lateral wall of the box body, and the horizontal position of the water outlet is lower than the upper plane position of the sponge. The invention further discloses an artificial eel hatching method. The method includes the steps that the hatching box is horizontally placed at the position which cannot be radiated by sunlight directly; the water outlet of the latching box is blocked, and water is added into the hatching box; fertilized eggs of eels are placed on the sponge, and the box body is waggled horizontally to enable the eggs to be laid on the sponge horizontally; the water outlet is opened to enable the water to flow out naturally; the whole hatching process is completed under the condition of 28 DEG C water temperature. Water is added in the hatching box in a spraying mode twice every day. The sponge and fries are taken out from the hatching box together, and the sponge is placed on the water surface of a fry breeding box in an inverted mode. According to the artificial eel hatching box and the artificial eel hatching method, the height of the water level for fertilized egg hatching can be limited strictly; the placement requirements for the hatching box are greatly reduced; even if the fertilized eggs are completely exposed to the air, the hatching temperature can be guaranteed, and operation is simple and rapid.

The invention provides a water distribution device in a water cold accumulation system and belongs to the field of energy accumulation. The water cold accumulation system comprises a cold accumulation tank. The water distribution device comprises a shell. The upper end of the shell is an opening communicated with the bottom of the cold accumulation tank. A first water communicating plate provided with a sponge is disposed in the shell. 'Z'-shaped bent pipes are disposed below the first water communicating plate. The ports at one end of the bent pipes are fixedly connected with the first water communicating plate. The ports at the other end of the bent pipes are fixedly connected with a second water communicating plate. Two ends of the bent pipes are communicated with the inner cavity of the shell. The ports, connected with the second water communicating plate, of the bent pipes are sealed and provided with water holes. Each 'z'-shaped bent pipe comprises a first straight flow part, a bent part and a second straight flow part, wherein two ends of the bent part are communicated and fixedly connected with the first straight flow part and the second straight flow part, and an included angle smaller than 90 degrees is formed between the first straight flow part and the bent part. A water storage cavity is formed between the second water communicating plate and the bottom wall of the shell. The water distribution device is good in water discharge effect, and thermocline change is avoided.

The invention discloses freshwater sponge healthy tea which is prepared from freshwater sponge, lagotis glauca, cherokee rose, oriental paperbush, and twig and leaf of manyflower supplejack in a certain weight proportion. The freshwater sponge healthy tea has the purposes of warming kidney and strengthening yang-qi, stopping emission and astringing intestine, nourishing yin and soothing nerves, invigorating spleen and eliminating wetness, as well as clearing and activating channels and collaterals. Owing to low cost, good effect, reasonable formula, easy preparation, simple preservation, being suitable for four seasons, curing diseases and protecting health, convenient drinking and good taste, the freshwater sponge healthy tea is applicable to those who suffer from diseases such as lumbago due to kidney-asthenia, incontinence of urine, frequent incontinence of urination, deficient spleen and diarrhea, spontaneous perspiration and night sweat, lung deficiency and cough, spermatorrhea and enuresis, spleen-stomach weakness, anorexia and gastralgia, etc., on which the freshwater sponge healthy tea performs good effects. The freshwater sponge healthy tea is an ideal healthy drink.

The invention discloses a super-oleophylic and super-hydrophobic sponge for oil-water separation, and a preparation method and application of the super-oleophylic and super-hydrophobic sponge, and belongs to the technical field of oil-water separation materials. Nano-silica and an organic dispersion liquid of MQ silicone are painted on the surface of a sponge by adopting the dip-coating method, inthe process of drying, with the volatilization of a solvent, the MQ silicone and the nano-silica produce phase separation and deposit on the surface of the sponge, a micron-nanometer secondary composite structure is formed on the surface of the sponge, and a good structural basis is provided for the super-oleophylic and super-hydrophobic properties of the sponge. In addition, according to the MQsilicone and the nano-silica treated by a silane coupling agent which are deposited on the surface of the sponge, the surface of the sponge has a lot of silicon elements, since the silicon elements have very low surface energy and good affinity with non-polar oil, and good hydrophobic and oleophylic properties are achieved on the sponge. The sponge prepared by the preparation method has excellentoil-water separation performance, the process is simple, the raw materials are easy to obtain, the cost is low, and volume production can be achieved.

The novel water culture plant has root system comprising nutrient absorbing roots, oxygen breathing roots and water absorbing roots from the top to the bottom. Its culture process includes the following steps: washing and pruning the root system of nursery stock, sterilizing, soaking in inducing liquid, coating the nutrient absorbing roots with absorbing sponge possessing slow released nutrient for inducing, inducing the water absorbing roots in back flowing clear water pond, setting inside the clear water holding container and sealing the mouth of the container with absorbing sponge possessing slow released nutrient after inducing. The present invention has the features of environment friendship, short domesticating period, etc.

The invention discloses a sponge fluid culture medium for rapid propagation of a Myrciaria cauliflora tissue culture seedling. Fifteen V-shaped pores with caliber of 0.8cm and depth of 0.5cm are formed on a sponge uniformly, the sponge is placed at the bottom of a culture bottle flatly, one pored side of the sponge faces up, chemicals are prepared by running water directly, the volume is metered and PH value is adjusted to form the fluid culture medium, the fluid culture medium is appropriately sub-packaged into the culture bottle with the sponge and justly soaks the sponge, and the fluid culture medium is 1 / 2MS culture medium. The sponge fluid culture medium has the beneficial effects that firstly, the Myrciaria cauliflora tissue culture material can fully absorb nutrition ingredients, the quality and the yield are improved and the reproduction rate can be increased by 5-6 times; secondly, the sponge can be used repeatedly, the fluid culture medium is sub-packaged and prepared to achieve convenience, and the bottle and the other tools can be cleaned easily; and thirdly, the expense for purchasing agar powder is saved and the production cost is reduced.

The invention is directed to kits, compositions, tools and methods for biologically cemented structures. More particularly, the invention is directed to materials and methods for the farming of bivalves, such as oysters and clams, and also other marine and fresh water invertebrates such as sponges, and other commercially worthwhile sessile organisms. The kits, compositions, tools and methods of the invention are also applied to erosion control of beaches and underwater surfaces, for the formation of foundations such as footings for pier supports, marine walls and other desirable structures.

The invention relates to the technical field of breeding of fishes, mussels, clams, lobsters, sponge, pearls and the like, in particular to a crayfish breeding method. The method includes the steps ofS1, site construction, S2, separation of young crayfishes and S3, storage of the young crayfishes. The site construction includes constructing constant-temperature environment-friendly warm sheds, avisible water breeding pond and a three-dimensional yield-increasing brooding pond. The storage of the young crayfishes includes that one cold shed for storing the young crayfishes with the standard size of 1cm is provided for every two constant-temperature environment-friendly warm sheds. The crayfish breeding method has the advantages that the survival rate of the young crayfishes can be remarkably increased to approximately 50% through reasonable layout of the ponds and the separate breeding in the three-dimensional pond, and the yield can be increased from 100,000 per mu to 150,000 per mu;the water area is increased, the breeding density is reduced, and the yield per mu of the young crayfishes can be increased; the method is applicable to cold regions in winter.

The invention discloses a sponge type permeable reactive barrier system which is applied to treatment on tailing percolate pollution and comprises a sponge reservoir, a sunk green belt, a permeable reactive barrier, a detection zone and a water pump, wherein the sunk green belt is arranged at the downstream of tailings; the sponge reservoir is arranged right below the sunk green belt; the permeable reactive barrier is arranged at the downstream of the sponge reservoir. Due to adoption of the sponge reservoir at the downstream of the permeable reactive barrier, large-flow percolate can be stored and buffered, and the load of the percolate to the permeable reactive barrier is buffered; a water body inside the sponge reservoir is compulsively circulated through the water pump, and then sudden high-concentration harmful substance percolate can be diluted; by flowing back a water body of which the concentration exceeds standards inside the detection zone, the sewage treatment performance is improved. The sponge type permeable reactive barrier system is capable of effectively treating water body pollution such as tailing percolate and is low in operation maintenance cost and long in treatment action time.