44 results about "Venerupis philippinarum" patented technology

The invention relates to an extra-cellular polysaccharide of aerobic Ruthia sp. strain metabolin and preparation and application thereof. An aerobic strain ZHT4-13 is separated from adhesive sludge of wild Ruditapes philippinarums in the Bohai sea offshore of China and is identified as a Ruthia sp. The aerobic strain is treated by seed culture and amplification culture, and a fermentation broth of the aerobic strain is precipitated with ethanol and separated centrifugally to obtain the extra-cellular polysaccharide MBF4-13. The extra-cellular polysaccharide MBF4-13 is measured to have high flocculation activity, the FR value to kaolin reaches over 80 percent, and the removal rate to hexavalent chromium ions reaches 69.3 percent; the extra-cellular polysaccharide MBF4-13 has high activity to decolorize high-concentration wastewater, and the decolorization ratios to methylene blue, ink blue, malachite green and crystal violet reach 86.11 percent, 99.49 percent and 97.84 percent; and the extra-cellular polysaccharide MBF4-13 plays a role of obviously improving the performance and the structure of activated sludge. The extra-cellular polysaccharide has potential value of developing a novel microbial flocculant.

The invention discloses a Ruditapesphilippinarum seedling large scale cultivation method, belongs to the aquatic product cultivation field, and the method comprises the following steps: reclamation area sand blowing and disinfection, parent selection and spawning induction, planktonic larva cultivation, adhesion juvenile mollusk cultivation, and sand seedling harvesting; by using the method, 50,000,000-120,000,000 Ruditapesphilippinarum sand seedlings (shell length 1.5-4mm) can be grown in each mu; the method can be applied to coastal area in our nation, thus realizing Ruditapesphilippinarum seedling large scale and industrialization production, and providing seedling guarantee for developing Ruditapesphilippinarum cultivation industry; the method is simple in operation and easy in promotion.

The invention discloses a feed for increasing crab feed intake; the feed comprises the raw materials: corn, fermented soybean meal, bran, a mussel powder, a sweet potato vine powder, dry venerupis philippinarum, a feather powder, an earthworm powder, a seashell powder, a dried small shrimp powder, a spirulina powder, dicalcium phosphate, choline chloride, a zeolite powder, elaeagnus angustifolia, radix astragali, radix paeoniae alba, poria cocos, albizia julibrissin, herba portulacae, wild chrysanthemum, pericarpium citri reticulatae, a compound amino acid, lactic acid bacteria, monascuspurpureus, bacillus licheniformis, a compound trace element, a compound vitamin, polysaccharides, octacosanol, L-carnitine, a propolis extract, marjoram essential oil, needle juniper essential oil, gamma-amino butyric acid, and malic acid. The feed for increasing the crab feed intake has the advantages of scientific formula, rich nutrition and good palatability, increases the crab feed intake, improves the appetite of crabs, also improves the immunity, and promotes the growth of the crabs.

The invention relates to an extra-cellular polysaccharide of aerobic Ruthia sp. strain metabolin and preparation and application thereof. An aerobic strain ZHT4-13 is separated from adhesive sludge ofwild Ruditapes philippinarums in the Bohai sea offshore of China and is identified as a Ruthia sp. The aerobic strain is treated by seed culture and amplification culture, and a fermentation broth ofthe aerobic strain is precipitated with ethanol and separated centrifugally to obtain the extra-cellular polysaccharide MBF4-13. The extra-cellular polysaccharide MBF4-13 is measured to have high flocculation activity, the FR value to kaolin reaches over 80 percent, and the removal rate to hexavalent chromium ions reaches 69.3 percent; the extra-cellular polysaccharide MBF4-13 has high activity to decolorize high-concentration wastewater, and the decolorization ratios to methylene blue, ink blue, malachite green and crystal violet reach 86.11 percent, 99.49 percent and 97.84 percent; and theextra-cellular polysaccharide MBF4-13 plays a role of obviously improving the performance and the structure of activated sludge. The extra-cellular polysaccharide has potential value of developing a novel microbial flocculant.

The invention discloses pickled cabbage venerupis philippinarum and a making method thereof. The pickled cabbage venerupis philippinarum is mainly made by proportioning 950-1050 parts of main material venerupis philippinarum, 245-255 parts of main material green pickled cabbage, 12-14 parts of dry cayenne pepper, 7-9 parts of chicken essence, 7-9 parts of table salt, 5-7 parts of white granulated sugar an 3-5 parts of Xianweiwang by weight. According to the invention, raw material standardization, product standardization and technology standardization of the pickled cabbage venerupis philippinarum can be realized.

The invention provides an efficient cultivation method for a ruditapes philippinarum northern indigenous group in the huanghai and bohai sea intertidal zone mud flat, and belongs to the technical field of aquaculture. The efficient cultivation method for the ruditapes philippinarum northern indigenous group in the huanghai and bohai sea intertidal zone mud flat comprises the following steps that ruditapes philippinarum seedlings are cultivated in a pond to the north of the northern Jiangsu coastal region of the China until large-size ruditapes philippinarum seedlings with the shell length notsmaller than 2.5 cm and the total wet weight not smaller than 2.5 g are obtained; in September to October every year, the large-size ruditapes philippinarum seedlings are evenly sown on the huanghai and bohai sea intertidal zone mud flat; and in the culture period, harmful organisms of the ruditapes philippinarum are intensively removed in spring and summer, culture indexes of seawater are regularly detected, and the ruditapes philippinarum is harvested after being cultured for 7-10 months. The large-size ruditapes philippinarum is bred in a huanghai and bohai sea intertidal zone, the breedingsurvival rate is greatly increased, the breeding period is shortened, the waste mud flat is recovered and utilized, and the breeding benefit is improved.

The invention discloses a communication base station protection coating material, which comprises the following components by weight: 20-25 parts of plastic base material, 3-6 parts of oilseed straw powder, 1-3 parts of turnip straw powder, 11-14 parts of meerschaum, 1-3 parts of scallop shell powder, 2-6 parts of venerupis philippinarum, 3-6 parts of clam shell powder, 11-21 parts of ethane-acrylate, 14-16 parts of furfuryl alcohol resin, 10-13 parts of isocyanate, 10-15 parts of urea resin, 2-8 parts of calcite, 9-10 parts of pyridine, 3-6 parts of acetone and 10-18 parts of gypsum. The communication base station protection coating material has the beneficial effects of excellent insulation material, low thermal conductance coefficient, stable physical and chemical performances, no aging, high temperature resistance and no cracking, can be taken as a paint, and can be placed in a die for strickling, heating and baking to sheet materials.

The invention discloses an environment-friendly modified external wall thermal insulation material, which is characterized by including the following substances by weight: 30-40 parts of cement, 11-13 parts of oyster shell powder, 13-15 parts of Venerupis philippinarum powder, 2-6 parts of razor clam shell powder, 3-9 parts of a composite matrix material, 3-9 parts of an auxiliary agent, 3-9 parts of a binding agent, 12-14 parts of cedar sawdust, 3-6 parts of coffee sawdust, 2-9 parts of gardenia sawdust, 3-6 parts of polypropylene ester, 3-9 parts of oxidated polyethylene, 3-6 parts of hydrogen peroxide, 9-14 parts of zinc sulfate, 8-12 parts of magnesium sulfate, 3-6 parts of silver sulfate, and 3-8 parts of anatase titanium dioxide. The environment-friendly modified external wall thermal insulation material provided by the invention has the advantages of: high bonding strength, low coefficient of heat conductivity, long service life, and low production cost.

The invention discloses an energy-saving environment-friendly biological material. The energy-saving environment-friendly biological material is characterized by comprising the following substances in parts by weight: 30-50 parts of sepiolite, 10-11 parts of diatomite, 5-8 parts of trumpet shell powder, 3-8 parts of razor clam shell powder, 2-8 parts of Venerupis philippinarum shell powder, 1-4 parts of oak tree sawdust, 3-8 parts of willow sawdust, 1-4 parts of goldenrain tree sawdust, 3-8 parts of scapharca subcrenata shell powder, 2-9 parts of hollow glass microballon, 11-26 parts of glass fibers, 3-9 parts of mica powder, 12-31 parts of wood flour, 9-16 parts of modified polypropylene, 3-15 parts of poly(4-methyl-1-pentene), 8-16 parts of active calcium, 9-13 parts of stearic acid, 30-50 parts of cement, 3-16 parts of a thickening agent, 3-8 parts of an antimony-based nano compound environment-friendly flame retardant and 5-9 parts of triisocyanurate. The energy-saving environment-friendly biological material has good thermal insulation performance, long service life, no aging, a corrosion prevention function, good nonflammable performance, high social benefits and economic benefits.

The invention discloses a feed additive capable of improving flesh quality and flavor of venerupis philippinarum and a preparation method thereof. The feed additive is prepared from the following raw materials: root of twelve stamen melastoma, calystegia hederacea, eucommia ulmoides, lucid ganoderma, marshy betony herb, bambooleaf fig herb, the fruit of Chinese magnoliavine, menyanthes trifoliate, liquorice, denseflower bulbophyllum herb, fructus piperis longi, Chinese yam, plantain herb, youngia japonica, polygonum bistorta, capsella bursa-pastoris, radix pseudostellariae and oriental grape roots. The feed additive disclosed by the invention has the beneficial effects that the feed additive not only can meet the nutritional requirements of venerupis philippinarum, but also can obviously improve the flesh microstructures, is less in water pollution, and is capable of promoting emission of harmful wastes and improving the growth speed, fresh flesh yield, palatability and delicious degree of venerupis philippinarum; raw materials are natural products, so that the feed additive has the advantages of high safety, no drug residue and toxic and side effects, and the like.

The invention discloses a Ruditapesphilippinarum seedling large scale cultivation method, belongs to the aquatic product cultivation field, and the method comprises the following steps: reclamation area sand blowing and disinfection, parent selection and spawning induction, planktonic larva cultivation, adhesion juvenile mollusk cultivation, and sand seedling harvesting; by using the method, 50,000,000-120,000,000 Ruditapesphilippinarum sand seedlings (shell length 1.5-4mm) can be grown in each mu; the method can be applied to coastal area in our nation, thus realizing Ruditapesphilippinarum seedling large scale and industrialization production, and providing seedling guarantee for developing Ruditapesphilippinarum cultivation industry; the method is simple in operation and easy in promotion.

The invention discloses a method for increasing PUFA (polyunsaturated fatty acid) relative content of soft parts of ruditapes philippinarum. The method comprises the following steps: collecting ruditapes philippinarum with undamaged body surfaces and shell length of 2.5-4.5 cm, transferring the ruditapes philippinarum into a room for room-temperature temporary rearing in temporary rearing seawater with salinity being 26-32 and pH value being 7.8-8.3, changing the total amount of water once every day in the temporary rearing period, feeding twice every day, performing continuous oxygenating, setting the culture capacity to be 20-30 kg / m<3>, after one week of temporary rearing, putting the ruditapes philippinarum into a temperature-controllable water circulation tank, carrying out gradient low-temperature treatment on the ruditapes philippinarum, reducing the culture temperature at the speed of 2-3 DEG C / d by taking the seawater temperature at room temperature as the initial temperature, when the water body temperature is 4 DEG C or above, feeding the ruditapes philippinarum with unicellular algae or chlorella algae paste every day with the feeding amount of 80-120 g / m<3>, and meanwhile, changing the total amount of water once every day; when the temperature of the water body is reduced to 4 DEG C or below, stopping feeding, meanwhile, performing continuous oxygenating, picking out dead individuals in time, changing water once every 3-5 days, when the temperature of the water body is reduced to 0 DEG C, stopping cooling, maintaining the temperature of 0 DEG C for one week or more, and changing water once a week.

The invention relates to a method for achieving industrial breeding of ruditapes philippinarum by adjusting the salinity of water under a high temperature condition of a high-salt sea area. Particularly, the invention provides a method for adjusting the salinity of water into a certain range by adding fresh water or seawater separately in a spawning incubation phase, a floating stage and an attachment stage of the ruditapes philippinarum, thereby achieving smooth abnormal attachment of planktonic larvae and effectively promoting fast growth of juvenile mollusk.

The invention provides a method for high-efficiency cultivation of Philippine clams in the tidal flats in the intertidal zone of the Yellow and Bohai Seas, which belongs to the technical field of aquaculture. The high-efficiency breeding method for Philippine clams in the tidal flats of the Bohai Sea intertidal zone comprises the following steps: cultivating clam seedlings in ponds north of the northern Jiangsu coast of my country to a large size with a shell length of not less than 2.5cm and a total wet weight of not less than 2.5g. Standard clam seedlings; from September to October each year, spread the large-scale clam seedlings evenly on the tidal flats in the intertidal zone of the Huangbo Sea; Biology, regularly check the breeding indicators of seawater, and harvest clams after 7 to 10 months of breeding. The cultivation of large-scale Philippine clams in the intertidal zone of the Yellow and Bohai Seas has greatly improved the survival rate of cultivation, shortened the cultivation cycle, restored the use of barren tidal flats, and improved the efficiency of cultivation.

The invention relates to the technical field of water treatment, in particular to psychrobacter aquimaris and a method for preparing a flocculating agent by the psychrobacter aquimaris. The psychrobacter aquimaris Psychrobacter sp. GHF2 is separated and purified from sludge liquor spit by ruditapes philippinarum, a strain of the psychrobacter aquimaris is subjected to enlarging cultivation to prepare strain liquid, the strain liquid is fermented and cultivated to prepare fermented liquid, a flocculating carrier is added into the fermented liquid in a fermentation late period, and the flocculating carrier and added ethyl alcohol are mutually reinforced, so that extracellular polysaccharide in the fermented liquid is safely settled. The extracellular polysaccharide secreted by the screened psychrobacter aquimaris Psychrobacter sp. GHF2 has strong flocculating effects, the flocculating carrier is added in the fermentation late period, so that bacterial cells are clumped on the flocculating carrier, settling of the extracellular polysaccharide is promoted, use of the ethyl alcohol is reduced, and the obtained flocculating agent is strong in flocculating capacity and stable in performance.