Tibetan medicine Duyiwei total flavone extract and extraction method and use thereof

Composite microecological agent for aquaculture and scenery water body and its preparation method

Traditional Chinese medicine composition for increasing laying rate of chicken as well as preparation method and application method thereof

The invention discloses a traditional Chinese medicine composition for increasing the laying rate of a chicken as well as a preparation method and an application method thereof. The traditional Chinese medicine composition comprises the following components in parts by weight: 300-500 parts of astragalus membranaceus, 800-1200 parts of polygonum cuspidatum, 200-400 parts of pericarpium citri reticulatae, 300-500 parts of herba andrographitis, 100-300 parts of cassia twig, 100-300 parts of the root of kudzu vine, 500-800 parts of folium isatidis and 500-1000 parts of herba leonuri. The traditional Chinese medicine composition for increasing the laying rate of the chicken, disclosed by the invention, can be used for inhibiting and killing pathogenic microorganisms which cause low laying rate of the chicken, regulating the overall development of laying chickens and mainly promoting full development of each organ in the body of a laying chick by inhibiting and killing the pathogenic microorganisms ...

Ainsliaea fragrans Champ total flavone extract and extraction method and use thereof

The invention belongs to the pharmaceutical technology field and provides an extract of total flavonoids of frangrant ainsliaea herb, an extraction method thereof and a use. The extract adopts the frangrant ainsliaea herb as a raw material, ethanol which is prepared by weak alkaline solutions with the different pH values is taken as an extraction solvent, the reflux extraction is adopted, the impurities are removed by the petroleum ether extraction, the separation and the enrichment are finally carried by macroporous resin, and the purity of the components of the obtained total flavonoids is 50-95 percent. The invention has simple process, convenient and safe operation and good repeatability and can be used for the industrial production. The invention further provides an application of the components of the total flavonoids or a preparation which is prepared by the total flavonoids and a pharmaceutically acceptable carrier in the prepration of drugs for treating acute and chronic cervicitis ...

Pelteobagrus fulvidraco capturing method

The invention discloses a pelteobagrus fulvidraco capturing method. The pelteobagrus fulvidraco capturing method includes: S1, preparing a net; S2, assembling the net; S3, sanitizing by a trichloroisocyanuric acid sanitizer; S4, pulling and dragging the net; S5, drawing the net in; S6, sealing an opening of a net cage; S7, oxygenating; S8, sizing pelteobagrus fulvidraco. The net utilized in the pelteobagrus fulvidraco capturing method is simple in structure and low in cost. The upper edge of the net is dragged and pulled by an operator, so that sludge at the bottom of a pool cannot be brought into the net, and required dragging force and labor intensity are low. The net is a knotless netting, captured targets cannot hook the netting, and since the whole capturing process is operated underwater, the captured targets cannot be hurt, death rate of the captured targets is lowered effectively, one-time capturing for the whole pool can be realized, and large-scale capturing is benefited.

Breeding method and breeding method of slightly slender largemouth black bass

The invention provides a breeding method and a breeding method of slightly slender type largemouth black bass, and belongs to the technical field of aquaculture. In order to breed and breed the largemouth black bass with a slender body type and a high proportion, the invention provides a breeding method and a breeding method of the largemouth black bass with the slender body type, and continuous breeding is carried out by taking the standard and the weight of the slender body type as indexes; the micropterus salmoides population with the proportion of the overlong micropterus salmoides obviously increased is obtained through screening for four years, meanwhile, the feed containing dandelions, purslane and wild chrysanthemum flowers is fed, adult fish schools with uniform body forms and the large proportion of overlong micropterus salmoides are bred in combination with water treatment, the economic benefits of farmers are greatly increased, and the method is suitable for large-scale application ...

Method for estimating total output of procambrus clarkii cultured in pond

The invention provides a method for estimating the total output of procambrus clarkii cultured in a pond, relating to the estimation of the total output of freshwater shrimps. The method comprises the following steps: 1. rapidly dragging different positions in a pond by a triangular inclined dragnet to fish; 2. timely recording the quality and the size of the procambrus clarkii in the dragnet; 3.fishing by utilizing the triangular inclined dragnet after the young procambrus clarkii is released for one month; 4. fishing the procambrus larkii at night because the procambrus clarkii can not be fished in the day; 5. fishing 11 procambrus larkii by utilizing the dragnet, the procambrus clarkii output of the pond is about 135kg/667m<2>; fishing 16 procambrus larkii by utilizing the dragnet, the procambrus clarkii output of the pond is about 68kg/667m<2>; fishing 3 procambrus larkii by utilizing the dragnet, the procambrus clarkii output of the pond is about 47kg/667m<2>; and 6. taking the above ...

Strawberry three-dimensional cultivation system

The invention discloses a strawberry three-dimensional cultivation system which comprises a strawberry cultivation frame arranged in a greenhouse. The strawberry cultivation frame is composed of a plurality of rows of high-layer cultivation frames and low-layer cultivation frames, and the high-layer cultivation frames and the low-layer cultivation frames are sequentially and alternately arranged in a row arrangement mode. Each of the high-layer cultivation frame and the low-layer cultivation frame comprises a cultivation groove supporting frame and a cultivation groove; the cultivation groove supporting frame comprises a plurality of U-shaped frames arranged in parallel, and a transverse supporting rod is arranged between every two U-shaped frames and corresponds to one layer of cultivation grooves. Three layers of cultivation grooves are formed in the high-layer cultivation frame in a high-low mode, and one layer of cultivation grooves are formed in the low-layer cultivation frame. When ...

Method for culturing procambarus clarkii and ipomoea aqutica in pond

The invention discloses a method for culturing procambarus clarkii and ipomoea aqutica in a pond, and belongs to the field of aquaculture science. The method comprises the following steps of: (1) selecting the suitable pond; (2) arranging escape-proof facilities on four sides of the pond; (3) transplanting aquatic weeds; (4) planting the ipomoea aqutica; (5) putting procambarus clarkii seedlings into the pond and raising the procambarus clarkii seedlings; and (6) harvesting adult procambarus clarkii in 1.5 months after the procambarus clarkii seedlings are raised, and harvesting the mature ipomoea aqutica. The method provided by the invention can reduce the culture cost of the procambarus clarkii, improve the utilization rate of the land and increase the culture benefit.

Floating island shrimp breeding equipment special for freshwater shrimps

The invention provides floating island shrimp breeding equipment special for freshwater shrimps. The floating island shrimp breeding equipment comprises a floating island, a planting area arranged on the upper portion of the floating island and a breeding area arranged on the lower portion of the floating island. The floating island is further provided with a buoy, a solar tower is arranged in the floating island, a solar power generation system used for supplying power is arranged in the solar tower, a storage space is arranged in the solar tower, the area between the solar tower and the buoy is a planting area, and a planting floating plate used for planting plants is arranged in the planting area. The equipment can be suitable for lakes, rivers and large ponds, is convenient for centralized culture management, accurate feeding and environment control of freshwater shrimps, formation of a micro ecological system, establishment of a micro-environment ecological cycle and reduction of culture ...

Method for culturing large size procambarus clarkii in pond

The invention discloses a method for culturing large size procambarus clarkii in a pond, belonging to the field of aquaculture majors. The method for culturing the large size procambarus clarkii in the pond comprises the following steps of: firstly, supplying sufficient high-quality feeds: adopting particles with the protein content of 32 percent to be matched with the feeds to carry out sufficient feeding; secondly, stocking with suitable seedling density: controlling the seedling density no less than 15/m<2> and no more than 18/m<2>; thirdly, sufficiently dissolving oxygen: if dissolved oxygen of the procambarus clarkii pond is lower than 3ppm, timely increasing the oxygen; and fourthly, fishing at intervals: fishing 3-4 times per week. The invention can enhance the ratio of the large size procambarus clarkii in pond culture, promote the quality of the procambarus clarkii and increase the benefit of the cultured procambarus clarkii.

Preheater of brazing

The utility model discloses a preheater of brazing, including frame and the furnace body of slidable mounting in the frame, the furnace body is including the protection casing, and the protection casing inboard is connected with the heat preservation, the inboard burner hearth that forms the pipeline form of heat preservation, and the slide is installed to the burner hearth lower part, lies in the slide top in the burner hearth and installs the wind scooper, and install from burner hearth middle part convulsions and the circulating fan that dries to burner hearth both sides at the furnace body top, and the heating pipe of level setting is installed to the position that lies in burner hearth bottom and burner hearth top on the furnace body, burner hearth radial cross section be the rectangle, the arc aviation baffle is all installed to the position on four summits in the rectangle, pass through for the chamfer between the whole opening U -shaped down that is of wind scooper, the top surface ...

Tibetan medicine Duyiwei total flavone extract and extraction method and use thereof

The invention belongs to the technical field of medicine, and provides a Tibetan pharmaceutical, lamiophlomis rotata total flavone extractive as well as an extracting method and the application thereof. The method uses Tibetan pharmaceutical lamiophlomis rotata as raw material, uses ethanol prepared by alkalescence solution with different pH values as solvent, and adopts a backflow method for extracting. After two steps of decontamination and the separation and enrichment of macropore resin, the total flavone extractive with the purity being 50 to 95 percent can be obtained from extracting solution. In the process of separation and enrichment, after the two steps of decontamination and the separation and enrichment of macropore resin, a sample with high purity can be obtained and the purity of the total flavone in the sample can be 95 percent at most, wherein, the percentage is higher than the number reported in documents. The invention also provides the application of the total flavone ...

Furnace accretion of brazing constructs

The utility model discloses a furnace accretion of brazing constructs, including frame and rack -mounted furnace body, the furnace body inboard install the heat preservation, the heat preservation is inboard to form pipy furnace, furnace installs the lower part slide, is located the slide top in the furnace and installs the inner cover, the inner cover top is convex, in the furnace top be with the inner cover top arc with the centre of a circle, the hot topping pipe is evenly installed at the top in the furnace, and the length direction of hot topping pipe sets up along furnace length direction, the base heating pipe is installed in the below of slide in furnace inner bottom position, and the length direction of base heating pipe sets up along furnace width direction. Through designing the furnace top become the arc that suits with inner cover top shape, furnace's space has been reduced, the top is the arc in the furnace in addition, can set up more hot topping pipes, deuterogamies and ...

Method for arranging first span of nuclear power station steam turbine plant

The invention provides a method for arranging a first span of a nuclear power station steam turbine plant. The first span comprises an underground floor and six floors on the ground, and mechanical equipment, electrical equipment and ventilation equipment in the plant are arranged in a layered mode through the first span. Radioactive equipment is arranged in a radioactive control area in a centralized mode, the area is shielded, and the danger that radioactive substances directly pollute the plant and nearby areas is avoided. On the premise of guaranteeing system function completeness, the span of the plant is increased properly, a personnel channel is additionally arranged, equipment mounting, maintenance and passing requirements are met, and the problem that equipment arrangement space is uptight is solved. Meanwhile, the area containing the radioactive substances is controlled strictly, and various functions of the plant can be achieved more reasonably.

Multifunctional microecological preparation for freshwater shrimp culture and preparation method and application thereof

The invention discloses a microecological preparation for freshwater shrimp culture. The preparation comprises the following active bacteria: Lactobacillus garvieae SK1 with a preservation number of CGMCC NO.18381, Bacillus subtilis SK2 with a preservation number of CGMCC NO.18382, Enterococcus faecalis SK3 with a preservation number of CGMCC NO.19128, and Acinetobacter sp.. According to the microecological preparation, the composite microecological preparation is prepared from various strains separated from freshwater shrimp culture ponds and freshwater shrimp intestinal tracts, and due to environmental adaptation, the strains can survive in the ponds and the freshwater shrimp intestinal tracts more easily, become dominant strains and have a longer lasting effect in water.

Artificial shrimp island capable of being used for aquatic plant planting and use method of artificial shrimp island

The invention provides an artificial shrimp island capable of being used for aquatic plant planting and a using method thereof. The artificial shrimp island comprises a floating island, a planting area arranged on the upper portion of the floating island and a breeding area arranged on the lower portion of the floating island. The floating island is further provided with a buoy, a solar tower is arranged in the floating island, a solar power generation system used for supplying power is arranged in the solar tower, a planting floating plate and a planting basket are arranged in the planting area, aquatic plants are planted in the planting floating plate and the planting basket, and a framework of the planting basket is made of hollow pvc (polyvinyl chloride) pipelines. The hollow pvc pipeline at the bottom of the planting basket is opened upwards, and the pipeline is filled with hydroponic nutrient slow-release granules. Artificial shrimp islands are put into water bodies such as lakes, ...

High-yield large-scale breeding method carried out by scientifically utilizing autumn cannon-head macrobrachium nipponense larvae

The invention discloses a high-yield large-scale breeding method carried out by scientifically utilizing autumn cannon-head macrobrachium nipponense larvae, belonging to the field of aquaculture science. The high-yield large-scale breeding method comprises the following steps of: breeding after macrobrachium nipponense parents in different local water areas are collected in March-April of the current year; starting to fish cannon-head macrobrachium nipponense with larger sizes in batches for sparse breeding in different ponds after female shrimps brood and incubate to generate a large quantity of the larvae in mid-June-July, wherein the cannon-head macrobrachium nipponense sparsely bred in the different ponds start to achieve sexual maturity and brood and incubate autumn larvae in mid-August-September; breeding by utilizing the incubated autumn larvae; and fishing large macrobrachium nipponense and remaining small macrobrachium nipponense during a breeding period, and lasting to aboutMay ...

High-yield large-scale breeding method carried out by scientifically utilizing autumn cannon-head macrobrachium nipponense larvae

The invention discloses a high-yield large-scale breeding method carried out by scientifically utilizing autumn cannon-head macrobrachium nipponense larvae, belonging to the field of aquaculture science. The high-yield large-scale breeding method comprises the following steps of: breeding after macrobrachium nipponense parents in different local water areas are collected in March-April of the current year; starting to fish cannon-head macrobrachium nipponense with larger sizes in batches for sparse breeding in different ponds after female shrimps brood and incubate to generate a large quantity of the larvae in mid-June-July, wherein the cannon-head macrobrachium nipponense sparsely bred in the different ponds start to achieve sexual maturity and brood and incubate autumn larvae in mid-August-September; breeding by utilizing the incubated autumn larvae; and fishing large macrobrachium nipponense and remaining small macrobrachium nipponense during a breeding period, and lasting to about May ...