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110 results about "Water mold" patented technology

Water molds are minute organisms, but the mycelium (filaments composing the body of the water mold) is often conspicuous around bits of decaying organic matter.

Ecological restoring method of river water body

The invention provides an ecological restoring method of a river water body, comprising the following steps: (1) detecting pollution indexes of a river water body; (2) throwing composite microbial agents into a water body according to 5ppm to 9ppm; (3) transferring, translating and degrading matters in the river water body by the composite microbial agents; (4) throwing and / or planting water plants into a river; (5) detecting the pollution indexes of the river water body; and (6) repeating the steps from (2) to (5) from 15 days to 30 days until the river water body conforms to requirements. Each composite microbial agent comprises the components by weight percent: 5 to 10 photosynthetic bacteria, 10 to 15 bacillus subtilis, 5 to 10 nitrifying bacteria, 2 to 5 microzyme, 15 to 20 lactobacillus, 10 to 30 aspergillus, 10 to 30 acetobacter and 20 to 30 actinomyces. The ecological restoring method of a river water body aims at a river water body which carries out eutrophication treatment, leads the river water body to restore the bio-diversity of the river water body, radically restores ecology and has durable effect, low cost and simple use.
Owner:DONGGUAN SHENGYUAN ENVIRONMENTAL PROTECTION TECH

Packed product and method and apparatus for producing the same

A method of aseptically filling an acidic drink and storing the same at an ordinary temperature at a low cost without using a highly heat-tolerant container or an expensive production system whereby an acidic drink, which has a certain level of acidity and contains an approved amount of spores remaining therein, can be appropriately stored while avoiding putrefaction. The inside of a container (2) is pasteurized with a bactericide (b) and hot water (c) so as to prevent the survival of bacterial vegetative cells, molds and yeasts while allowing the survival of bacterial spores. Next, a pasteurized content (a), which has such an acidity level as being capable of preventing the bacterial spores as described above from germination, is filled in this container at an ordinary or low temperaturefollowed by sealing the container with a cap (3) to give a packed product (1).
Owner:DAI NIPPON PRINTING CO LTD

Method for producing health feed by using notoginseng residues fermenting

The invention discloses a method for producing health feed by using notoginseng residues fermenting. The method comprises: (1) pretreating notoginseng residues through drying, crushing and screening; (2) uniform mixing the pretreated notoginseng residues, water and nitrogen source; (3) treating the mixed materials through steam sterilization; (4) inoculating moulds and yeasts on the sterilized materials to carry out mixed culture solid-state fermentation; (5) drying the fermented products to obtain the health feed. According to the method provided by the present invention, the notoginseng residues can be transformed into a protein feed with disease prevention and health function. With the method provided by the present invention, the notoginseng residues are used as resources, a purpose of changing waste into valuables is realized, such that environmental pollution is reduced, and greenness health feed without antibiotics is provided for breeding industry.
Owner:CHENGDU UNIV OF INFORMATION TECH

Waterproof curtain and construction method thereof

In the embodiment of the present invention, the water-stop curtain is formed on the outside of the foundation pit wall by the cement mixing pile and the cast-in-place pile being occluded, making full use of the bending resistance performance of the cast-in-place pile and the water-stop performance of the cement mixing pile, so that the operation is safe and the water-forming Reinforced concrete piles are neat and regular; cement mixing piles are used to occlude casing piles to form a water-stop curtain, which can effectively prevent water seepage, water leakage and quicksand in traditional foundation pits, and can effectively prevent collapse, necking and other types of punching and drilling The quality of piles is a common problem; compared with traditional underground diaphragm walls and bored occlusal piles, the construction speed is faster, the cost is lower, and the economic benefits are obvious; the cement mixing piles are constructed first to form the constraints of casing piles and avoid the casing piles. The problem of diameter expansion in soft soil layers; the use of casing piles for support, and the use of cement mixing piles to consolidate and harden the soil, reduce the excavation of earthwork and the impact on the surrounding geology, and reduce the impact of construction on the surrounding environment Impact and environmental pollution, green construction.
Owner:深圳市鸿荣轩建设工程有限公司 +1

Mould biosorbent and preparation method thereof

The invention relates to a mould biosorbent and a preparation method thereof, belonging to the field of environment governance. The biosorbent is mycelial pellets formed by winding mould mycelia, wherein the diameter thereof is about 2.0mm, and the mycelial pellets have uniform size and certain mechanical strength. The preparation method comprises the following steps: taking food production waste water as a culture medium, inoculating a mould spore suspension under the sterilized or non-sterilized condition of pH 3.5-6.5, shaking culturing for 60-72h at 28-35 DEG C and at the speed of 150-200rpm, and filtering the collected mycelial pellets to obtain the mould biosorbent. The mould biosorbent prepared in the invention has low cost and simple preparation process, has good adsorbing and decoloring effects on reactive dyes, reducible dyes, disperse dyes, direct dyes, sulfur dyes and the like, can also be used for removing metal ions in the waste water, and has the characteristics of economy, high efficiency, easy solid-liquid separation, no secondary pollution, capability of recovering the metal ions, environment friendliness and the like.
Owner:SHENYANG INSTITUTE OF CHEMICAL TECHNOLOGY

Portable fish egg incubator

The invention provides a portable fish egg incubator, comprising an incubation barrel, a micro magnification device, a tripod, a water inlet tube, an inlet pipe and an overflow pipe, wherein the incubation barrel is internally provided with a temperature regulator and a short-wave ultraviolet generator; the lower part of the incubation barrel is provided with a circular hole structure; the incubation barrel is stored with water for incubation; the short-wave ultraviolet generator sterilizes water for incubation; the micro magnification device amplifies the fish eggs in the incubation barrel; the tripod is provided with a wheel to fix or move the incubator; the water inlet pipe, the inlet pipe and the overflow pipe are communicated with each other and are communicated with the incubation barrel through the water inlet; the water inlet at the bottom of the incubation barrel is provided with an air inlet and holds the fish eggs in an all-dimensional manner by utilizing flow current and airflow for incubation. The invention has simple structure, is convenient for moving and for tracking to observe embryonic development; the short-wave ultraviolet generating device can prevent the breeding of water molds, improve incubation rate of fish eggs; the overflow pipe can control water level. Therefore, no overflow tank is required to be added and the cost is saved. The invention has strong controllability, demersal eggs, viscid eggs and pelagic eggs can be incubated directly.
Owner:BEIJING FISHERIES RES INST

A kind of compound powder for preventing and treating saprolegnia of aquatic animals and preparation method thereof

The invention discloses a compound pulvis for controlling saprolegniasis of aquatic animals and a preparation method thereof. The compound pulvis is prepared from Chinese gall, rheum officinale, bronopol and dispersant in a certain weight percentage. The preparation method comprises steps of: A. drying the Chinese gall and the rheum officinale decoction pieces; B. crushing and sieving the Chinesegall and the rheum officinale respectively; C. weighing the Chinese gall and the rheum officinale according to the proportion and mixing; weighing the traditional Chinese medicine mixture, preblending with bronopol; weighing the preblended mixture according to an equivalent progressive increase method, and mixing with the dispersant; well mixing and subpackaging to obtain the compound pulvis. Themethod is practical and easily operated; the compound pulvis has a reasonable formula, usage convenience, low costs, substantial effects, and no toxic or side effects; the bronopol is widely used in water treatment, medicine, pesticide, cosmetic and washing agent, and has interacted ingredients and effects of quick-acting, slow action and simultaneous treatment of principal and subordinate symptoms; the dispersant in the composition improves medicament leachability and can substantially improve curative effect.
Owner:武汉中博水产生物技术有限公司 +1

Hatching method for adhesive fish egg

The invention relates to a hatching method for adhesive fish eggs, belonging to the technical field of fish reproduction. The invention is an improved invention. The fish nests of the invention are flat hatching net sheets sewn by using a frame made of iron wires and polyethylene net sheets. On each hatching net sheet 7000-8000 eggs with grain size of 2mm are evenly distributed. The hatching net sheets on which eggs are distributed are statically placed for two minutes and then are sequentially suspended in a covered hatching pond for hatching in running water. Fifteen to twenty hatching net sheets are placed in each square meter of water surface in the hatching pond. Hatching water flow is controlled to be 3-5m<3> / hour, water temperature is controlled to be 11 DEG C-18 DEG C and daily temperature difference does not exceed 2 DEG C; broken egg skins and other impurities are absorbed out everyday through siphonage; the date that fish fries break through egg membranes is the seventh day to the fifteenth day. The invention has the advantages that the hatching facilities are simple, the operation is convenient, the water flow exchange is good, the damaged eggs and the dead fries can be observed easily and removed in time, the water molds are effectively prevented from breeding, the hatching rate of fertilized eggs is high and the promotion and the popularization are easy.
Owner:云南省水产技术推广站

Treating process for green waste and application thereof

The invention discloses a treating process for green wastes. The process comprises the following steps of: (1) classifying and collecting green wastes, distinguishing herbaceous raw materials, broad-leaf raw materials and needle woody raw materials, selecting herbaceous plant wastes and broad-leaf woody plant wastes without volatilization smell, and performing rough smashing and secondary fine smashing; (2) smashing the green waste powder obtained in the step (1), cottonseed cake powder, corn flour, bran, grass carbon and rich soil in the weight ratio of (60-80):(5-8):(6-10):(12-20):(4-8):(20-40), mixing uniformly, adding water in an amount which is 25-30 percent based on the total weight, and adjusting the pH value to 7.5-8.5; and (3) sterilizing the mixture treated in the step (2), adding streptomyces microflavus, and fermenting at the temperature of 26-32 DEG C for fermenting for 5-8 days. In the invention, agricultural and forestal wastes are taken as main raw materials, so that wastes are recycled, and the cost is greatly lowered; and when a fermentation product is used for producing a seed treating agent, the added value of the product is increased, and high economic benefit is achieved.
Owner:刘璐

Water-based leather sterilizing mould inhibitor

The invention discloses water-based leather sterilizing mould inhibitor. The technical scheme of the invention has the key point that the water-based leather sterilizing mould inhibitor consists of deionized water, dodecyldimethylbenzylammonium chloride, isothiazolinone, T-60, methylparaben and propylparaben. Components of the water-based leather sterilizing mould inhibitor are added into a stirrer for stirring and dissolving, and then the mixture is canned to form a finished product of the water-based leather sterilizing mould inhibitor after even stirring and dissolution. The water-based leather sterilizing mould inhibitor can inhibit the synthesis of protein, solidify bacteria, inhibit the synthesis of ergot catalpol fungi to inactivate mould, block the metabolism of the mould, and inhibit spore production or spore germination. The water-based leather sterilizing mould inhibitor has good compounding property and improves the effects of sterilization and mould inhibition. A finished product made of leather treated by using the water-based leather sterilizing mould inhibitor has no stimulation to the skin, and is safe and reliable to use; and the water-based leather sterilizing mould inhibitor is suitable for sterilization and mould inhibition of the leather.
Owner:许庆华

Method for producing coniothyrium minitans conidium

The invention provides a method for producing coniothyrium minitans conidium which takes agricultural wastes as raw materials. The method comprises the following steps: (1) pulverizing and drying the agricultural wastes; (2) preparing a matrix mixture; (3) preparing spore suspension; (4) inoculating; and (5) culturing. In the invention, the coniothyrium minitans conidium is prepared from the agricultural wastes; and after measurement, the final spore yield reaches 1.58*109-6.0*109pcs / g matrixes and has no significant difference with the spore yield by single wheat fermentation. The method overcomes the defect of high cost in the prior art, has very low cost and very good production effect, and can make use of the agricultural wastes.
Owner:成都趋元科技有限责任公司

Filter Sleeve for Enabling Waste Water Discharge Directly into the Environment

A filter sleeve is fabricated from a variety of media selected to preferentially remove particulates and specific contaminants from water or other liquids. The layers of the filter sleeve may be configured to remove 1-micron particulates, while another layer or layers may be configured to remove a range of petroleum hydrocarbons, fats, oils, and greases, while yet another layer may be configured to remove metals, and yet another layer could be configured to remove bacteria, algae, mold, and fungus. Filter sleeves that are configured to remove different particulate sizes and contaminants can be used simultaneously by placing the filter sleeves inside one another to accrue the capabilities of several individual filter sleeves as one unit. The filter sleeve can be used to remove particulates and hydrocarbons from waste water accumulated in underground vaults, enabling such waste water to be discharged directly into the ambient environment.
Owner:PEARSE HERB +1

Nutrition soil for planting flower and pot plant and preparation method thereof

The invention provides nutrition soil for planting flower and pot plant and a preparation method thereof. The nutrition soil comprises the compositions of sand, river bottom mud, bean dregs, humus, fermented pond bottom liquid, plant stalk, wood ashes, attapulgite, shale diatom slime, pyrethrum, clove, and radix stemonae. The preparation method comprises the steps that firstly crushing and extracting are conducted on pyrethrum, clove and radix stemonae, and extraction liquid is obtained, then the extraction liquid and attapulgite are mixed and distributed evenly, and are mixed evenly with the remaining compositions and the fermented product, and the nutrition soil is obtained. The nutrition soil is applied to flower and pot plant planting, provides adequate nutrients for the growth of flower and pot plant, is also effective in preventing the invasion of pests and mold on the root part of the flower and pot plant in the growth process, provides a guarantee for the healthy growth of flower and pot plant, and has better application value.
Owner:HEFEI SHENWO HORTICULTURE CO LTD

Method for detecting mould fungus inhibition effect of leather material and product thereof

The invention relates to a leather substance and a detection method of the mould inhibition effect of a product thereof. The detection method comprises the following steps: firstly, adding NaCI solution or PBS buffer solution into a mould inclined plane culture and adjusting the concentration of spore suspension into 1*10 to 10*10 cfu / ml to prepare mould spore suspension or mixing various single mould spore suspension according to equivalent volume to prepare mixed mould spore suspension; secondly, placing the leather substance and the product thereof after being radiated by ultraviolet radiation into a culture medium and dropping the spore suspension on the leather substance to culture for 3 to 5 days at the temperature of 28 DEG C plus or minus 1 DEGC; and thirdly, carrying out visual evaluation and microscopic examination to the growth degree of epiphyte on a sample by using a microscope*50 if necessary. The detection method has the advantages of simple operation, shorter detection period and strong practicability; only mould spore is inoculated on the surface of the sample, so that the effect caused by the excessive growth of mycelium due to more mould spores is voided, the natural environment is simulated, and the growth situation of mould is analyzed.
Owner:DONGHUA UNIV

Breeding method for maccullochella peelii

The invention provides a breeding method for maccullochella peelii, which adopts the combination of artificial breeding and natural breeding. The breeding method comprises the following steps: 1) preparing a parent fish rearing pond; 2) selecting parent fish; 3) performing antenatal rearing on the parent fish; 4) arranging a roe laying device; 5) performing roe laying and fertilization; and 6) hatching fertilized roes. According to the breeding method for the maccullochella peelii, provided by the invention, each step is simple and convenient to operate, and the fertilization rate (the percentage of the fertilized roes can reach 80-90%) of the roes of the maccullochella peelii and the hatching success rate of the fertilized roes are effectively increased; in addition, the parent fish is not injured in the breeding process, the fertilized roes are effectively prevented from being threatened by diseases such as water molds and the like in the hatching process, the breeding cost is reduced, and the breeding density is increased.
Owner:CENT LAB FUJIAN ACADEMY OF AGRI SCI

Method for preparing fibrilia by using penicillium purpurogenum DB1 strains

The invention relates to a method for preparing fibrilia by using penicillium purpurogenum DB1 strains. The method comprises the following steps: (1) preserving the penicillium purpurogenum stoll DB3 strains in a potato dextrose agar medium for cultivation, and adding a freezing buffer solution; (2) inoculating bacteria, the amount of which equals to the pick-up amount of an inoculating ring, obtained in the step (1) into the potato dextrose agar medium, and carrying out shaking culture; (3) inoculating the culture medium obtained in the step (2) into a flax lignin fermentation medium, and carrying out shaking culture to obtain a fermentation bacteria liquid; (4) mixing sterilized fiber raw material with the fermentation bacteria liquid obtain in the step (3), carrying out table shaking and removing fermentation liquid to obtain the fibrilia; and (5) mixing the fibrilia with degumming liquid, processing and then rinsing, oiling and drying to obtain the fibrilia. The method in the invention has simple technology, short degumming time and high degumming efficiency, thus being suitable for large-scale industrial production.
Owner:DONGHUA UNIV

Slime remover and slime preventing/removing agent

A drainage slime remover capable of spreading a solution of a solid over slime generated wall surface portions, comprising a solid containing a microorganism growth retarding substance and a container which has a shape for permitting the installation thereof at the inlet or upper portion of a drain outlet and stores the solid, characterized in that the container has drain flow-in holes having an opening capable of controlling a drain flow-in amount and provided in the upper surface or the upper side portion of the container and solution flow-out holes having an opening capable of controlling a flow-out amount if a solid solution and provided in the bottom or the lower side portion of the container or additionally in the side surface thereof; and a slime preventing / removing agent which can remove slime from portions such as kitchen sinks and bathroom drain outlets where slime is grown by metabolites such as miscellaneous germs and mildews and which can prevent the occurrence of slime safely and for an extended period of time.
Owner:NIPPON SODA CO LTD

Method for producing mold spore powder by fermentation of crop straws

The invention discloses a method for producing mold spore powder by fermentation of crop straws and relates to the technical field of comprehensive utilization of the crop straws. According to the method, the crop straws are taken as a main material and subsidiary agricultural products are taken as auxiliary materials to inoculate mold spores, and then the spore powder is prepared by means of aerobic fermentation. The method comprises the following specific steps: (1) preparing a solid culture medium, namely mixing crushed straws with the subsidiary agricultural products to form a wet material, sterilizing and then sending to a fermentation tank; (2) inoculating mold, namely inoculating the wet material at room temperature; (3) performing solid fermentation, namely charging air into the fermentation tank, controlling the fermentation temperature to be 30 to 40 DEG C by controlling the amount of charged air and rolling over by a rolling machine, and performing the aerobic fermentation for 3-5 days; and (4) crushing and sieving. The method disclosed by the invention has the advantages of consuming a great amount of straws, alleviating the environmental pollution caused by combusting the straws, promoting the comprehensive utilization of the straws and also lowering the production cost during fermentation of the mold.
Owner:XUZHOU XUANSHUIHU AGRI TECH DEV

Method for preparing solid trichoderma seed from direct fermentation of crop straws with trichoderma, and product prepared by using the same

A method for preparing a solid Trichoderma seed from direct fermentation of crop straws with Trichoderma, and a product prepared by using the same. The method includes adding a liquid amino acid to the crop straws, adjusting the initial pH to 3.0-4.0, and inoculating a liquid Trichoderma seed for solid fermentation. An acidity that allows Trichoderma to grow and multiply rapidly and inhibits the growth of other non-target fungi is established in the material by adjusting its pH value, an optimum nutritional formula for Trichoderma is screened out, and an inexpensive proprietary process for preparing a solid Trichoderma seed through fermentation is established. 1% of the solid Trichoderma seed is added to a matured compost, which allows the density of Trichoderma spores in the Trichoderma amended bioorganic fertilizer to reach above 5×107 spores / g, and the production increasing effect is considerable after the Trichoderma amended bioorganic fertilizer is applied.
Owner:NANJING AGRICULTURAL UNIVERSITY

A high pressure filter device

The invention discloses a high-pressure filter pressing device which comprises a main frame, material molds, water molds and a movable beam plate, wherein the material molds, the water molds and the movable beam plate are mounted in the main frame; the main frame comprises a left beam plate, a right beam plate and pull rods which are fixedly connected between the left beam plate and the right beam plate; the high-pressure filter pressing device also comprises a hydraulic cylinder; by using the movable beam plate, a part between each water mold and the corresponding material mold can be opened or closed under the action of the hydraulic cylinder; when the molds are closed, a closed filter chamber is formed between the water mold and the material mold which are adjacent; the hydraulic cylinder comprises a main cylinder and blank pressing cylinders; a piston rod of each blank pressing cylinder acts on the edge of the movable beam plate; a piston rod of the main cylinder acts on the middle of the movable beam plate; a pressure conversion cylinder is connected between the main cylinder and a high-pressure water path through a pipeline. According to the high-pressure filter pressing device disclosed by the invention, by arranging the pressure conversion cylinder, in the high-pressure extrusion dehydrating process, the water content of a filter cake is greatly reduced and the problem that a mold frame is damaged by crushing or leaks materials can be avoided through dynamic pushing force balance. The high-pressure filter pressing device has the advantages of simple structure, high safety and reliability, long service life and wide application range.
Owner:广东翔俊环保设备有限公司

Overwintering method for aquaculture through brackish omni-directional flowing water

The invention discloses an overwintering method for aquaculture through brackish omni-directional flowing water. The method comprises the following steps: preparation of an aquaculture pool or a net cage; preparation of a recirculating water purification system; preparation of a microecological environment of water in the aquaculture pool; feed feeding and breeding; and a breeding model for overwintering of aquatic products through the brackish omni-directional flowing water. According to the invention, through the process of the brackish omni-directional flowing water, a healthy microbial community can be activated and maintained, so the aquaculture pool is free of any dead corner, and infectious microbes or harmful microorganisms are avoided from being produced in an anaerobic environment; a probiotic community continuously reproduces, so immunity is improved; and brackish water can inhibit the reproduction of water molds and accelerates the repair of body-surface frostbite. Through comprehensive measures like construction of a brackish flowing water breeding ecological environment and a health-care measure of nutrition oral administration, common stress responses of an aquaculture variety to low temperature, deterioration of water quality and the like in winter are reduced; the physique of the aquaculture variety is strengthened; and adaptive capacity to low temperature and disease-resisting ability are improved.
Owner:SUZHOU FISHSEEDS BIOLOGICAL TECH CO LTD

Method for controlling water molds in aquaculture water

Disclosed herein is a method for controlling water molds in aquaculture water by using chlorine dioxide that is less toxic and safer than bronopol.The method includes adding chlorite to aquaculture water with a pH of 5.5 or higher but 8.5 or lower at a concentration of 2.5 ppm or higher but 200 ppm or lower in terms of effective chlorine dioxide and performing a reaction for 60 minutes or longer to control water molds. At this time, an organic or inorganic acid is not added to the aquaculture water. The aquaculture water includes water for hatching or water for fanning. Further, the aquaculture water includes both seawater and freshwater.
Owner:SUKEGAWA CHEM

Edible fungus liquid medium stirring device

The invention discloses an edible fungus liquid medium stirring device, belonging to the technical field of manufacture of edible fungus culture equipment. The stirring device comprises a barrel, wherein a feeding hole is formed in the barrel, a discharging hole is formed in the lower part of the barrel, the barrel comprises an inner drum and an outer tube driven by a motor, vertical stirring blades are arranged on the inner wall of the inner drum, an air pipe extending into the bottom of the inner drum is arranged in the inner drum, the outer tube is provided with an inner layer and an outer layer, a heater communicated with a heat exchanger by a pump body and a first electromagnetic valve is arranged between the inner layer and the outer layer, the heat exchanger is communicated with a solar circulating heat collection unit, and a temperature sensor is arranged between the inner layer and the outer layer and is connected with the first electromagnetic valve by a controller. The stirring device can be used for solving the problems that due to large shearing force of an existing edible fungus liquid medium stirring device, the internal tissue of raw materials of a medium is influenced, the oxygen content of a manufactured medium is low, and moulds or germs cannot be killed efficiently.
Owner:LIUJIANG COUNTY KEYI ENAMEL CO LTD

Method for forming block from divided sponge organs

InactiveCN1490399ASignificant biomass expansionGood for long-term cultivationTissue cultureTissue/virus culture apparatusMicrobial pollutionGradient centrifugation
A process for forming the cell aggregate of discrete sponge tissue cells includes such steps as cutting the fresh sponge tissue block in the CaMg-free sea water containing EDTA (CMFSW-E) to become small blocks (1-3 cu.cm), grinding, filtering to obtain the suspension of discrete sponge cells, gradient centrifugation to obtain the discrete cells with high reproduction power, and no microbial pollution, forming aggeregates in aseptic sea water and culturing.
Owner:DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI

Artificial hatching method for Saurogobio dabryi

The invention discloses an artificial hatching method for Saurogobio dabryi. The method comprises the steps: (A) carrying out artificial dry fertilization after Saurogobio dabryi lays eggs, and activating sperms with 0.5% normal saline; (B) after fertilization, uniformly laying Saurogobio dabryi fertilized eggs on netting sheets, and suspending the laid netting sheets in a cement pool, wherein the depth of water of the cement pool is 48-52cm, and the distance from the netting sheets to the water surface is 5-10cm; (C) adopting a water-drenching hatching method, mounting a spraying water tap above the cement pool, and manually turning on a switch to spray water once every 28-32 minutes so as to humidify the fertilized eggs; and (D) taking off the netting sheets until eyespots appear during the development of fertilized egg embryos, and putting the netting sheets into a circulating-water hatching barrel, thereby completing hatching. The mesh of the netting sheets is 80 meshes; and a manufacturing method for the netting sheets comprises the steps of firstly, making a rectangular iron frame from iron wires, then, fixing a piece of netting on the iron frame, and tightening the netting, wherein the egg laying density is 15,000 per square meter. The method is feasible and is simple and convenient in operation, the hatchability is increased and can reach 80% or more. The technical problems in the artificial hatching and water mold control of Saurogobio dabryi are effectively solved.
Owner:HUAZHONG AGRI UNIV

Inflammation-diminishing and antibacterial Chinese herbal medicine for aquatic animals and preparation method of Chinese herbal medicine

The invention discloses an inflammation-diminishing and antibacterial Chinese herbal medicine for aquatic animals. The Chinese herbal medicine is prepared from the following raw materials in parts by mass: 20-40 parts of radix scutellariae, 10-30 parts of cortex phellodendri, 10-30 parts of radix et rhizoma rhei, 5-15 parts of folium isatidis, 2-5 parts of lumbricus, 3-9 parts of sweet wormwood herb, 2-7 parts of betel nuts, 5-11 parts of cortex moutan, 2-4 parts of mock strawberries and 1-5 parts of nidus vespae. A preparation method comprises steps of preparing monarch drug, preparing ministerial drug, preparing mixed drug materials, preparing soft materials, conducting pelleting, conducting drying and the like. The Chinese herbal medicine has an excellent curative effect on fungal diseases in fishes, prawns, crabs, turtles, frogs and the like caused by water molds, branchiomycosis and the like; and the Chinese herbal medicine can enhance the immunity of the aquatic animals to the diseases and promote the healthy growth of the fishes. The Chinese herbal medicine has an excellent curative effect on rotten-skin disease, enteritis and gill-rot disease in the fishes; and the Chinese herbal medicine can enhance the immunity of the aquatic animals to the diseases and promote the healthy growth of the fishes.
Owner:LINXIANG DONGSHENG BIOTECH

Preparation of compound filter material for removing drinking water disinfection by-products

The invention discloses preparation of a compound filter material for removing drinking water disinfection by-products. The compound filter material is prepared by the steps of mixing the following filter material raw materials: active peanut shell carbon, modified activated carbon, far infrared sintering balls, quartz sand, ceramisite filter materials, asbestos and garnet according to a certain proportion, and supplementing with a synergistic effect of chemical treatment agents such as a degerming agent to prepare the compound filter material. The compound filter material carries out joint coordination treatment during a water quality purification process, has a high-efficient water purification effect, and especially has a better effect on removing halogenated hydrocarbon of the drinking water disinfection by-products, the adsorption saturation of the filter material is remarkably improved, the service life and the replacement cycle of the filter material are prolonged, the preparation method is simple and convenient, the prepared filter material particles cannot breed mycete easily, and the safety performance is high.
Owner:ZHENJIANG HUAYU ENVIRONMENTAL PROTECTION EQUIP MFG

Screening method and device for treating large-area water-saving mold outbreaks in natural water bodies

The invention belongs to the technical field of environmental protection. The invention provides a new method for removing water-saving mold when large-area water-saving mold breaks out in rivers, that is, a new green method of screen interception, physical collection and disposal. The invention also provides a device capable of effectively removing the water-saving mold when the water-saving mold breaks out in a large area in a river. The device is composed of a screen part and a part for extracting and scraping mildew. The sieve parts include a fixing device, a sieve device and a slide rail device; the extracting mold scraping parts include a slide rail transportation mold scraper and a mold collection bag. The specific steps are: the screen components are intercepted and placed across the river banks, and the water-saving mold in the water flow is intercepted on the screen; the mold scraper on the screen collects the water-saving mold intercepted on the screen into the mold collection bag, so as to achieve The purpose of removing water-saving mildew in rivers. Using the method and the device of the invention to remove the large-area erupting water-saving mold in rivers can ensure a 95% removal rate of the water-saving mold. The invention overcomes the disadvantages of high manpower cost and unclean manpower removal, and can quickly and effectively remove the water-saving mildew that breaks out in the water body. The invention has the advantages of convenient construction, high efficiency, low cost and simple operation.
Owner:CHINESE RES ACAD OF ENVIRONMENTAL SCI

A method and device for controlling the growth of water-saving mildew

The invention belongs to the technical field of environmental protection, and relates to a method for controlling the growth of collected water-saving mold organisms from rivers, comprising: spraying quicklime powder on the collected wet-state water-saving mold, and stirring intermittently at a height of 10 cm Mix once to achieve the purpose of controlling the growth of water-saving mildew. The invention also provides a device capable of controlling the growth of the collected water saving mold organisms. The device is composed of a dosing part, a stirring and mixing part and a solid-liquid compressing part. The specific steps are: the lime powder is sent from the dosing funnel to the spraying head of the medicine, sprayed on the surface of the wet water-saving mold through the spraying head, stirring and mixing once every 10cm of filling height, and the solid-liquid compression part compresses the mixture from top to bottom , The liquid can be recycled and sprayed after flowing out from below, the compressed solid is disposed of as landfill, and the separated liquid is sent to the sewage treatment plant. The medicament quicklime used in the method of the invention is a non-toxic and harmless medicament integrating the functions of oxidation, disinfection and coagulation aid, and the inactivation rate of the water-saving mildew reaches more than 90%.
Owner:CHINESE RES ACAD OF ENVIRONMENTAL SCI
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