38results about How to "Protect the ecosystem" patented technology

The present invention relates to an automatic variable fishway. More particularly, an automatic variable fishway by water level sensed of the invention can automatically vary its height to uniformly maintain the quantity of water drained through the fishway so that migratory animals can freely move through the fishway to upstream or downstream of a dam regardless of the quantity of storage water. The automatic variable fishway by water level sensed of the invention is installed in a bank for storing a predetermined quantity of water to allow migration of fish, and comprises: an underwater gate 170 for being erected or laid by a drive means which is operative in response to a signal from a water level detecting sensor 50 for detecting the level of storage water; and a fishway plate 110 connected with a top of the underwater gate 170 to form a migration path for fish.

The invention belongs to the field of mines, and relates to a riverbed seepage-proof governing structure. According to the riverbed seepage-proof governing structure, a quaternary seepage-proof structure is arranged on a disturbed riverbed, and the quaternary seepage-proof structure is divided into four layers from bottom to top, namely a riverbed reinforcing layer, a seepage-proof cushion layer, a seepage-proof layer and a seepage-proof protective layer are sequentially laid. According to the design, engineering geology, environment characteristics and technical features of a composite geo-membrane are fully considered, and therefore the effect of the disturbed riverbed seepage-proof governing is enabled to good, and governing cost is lower.

The invention discloses a preparation method of a novel silver-loaded titania nanotube-magnetic chitosan / beta-cyclodextrin composite material and an application of the composite material in printing and dyeing wastewater treatment. According to the method, titania nanotube is used as a matrix, silver particles are directionally loaded on the surface of the titania nanotube, and the silver-loaded titania nanotube is cross-linked with magnetically modified chitosan / beta-cyclodextrin so as to synthesize a composite material having excellent degradation property on organic dyestuff under natural light. The preparation method is mainly technically characterized in that P25-TiO2 powder, a NaOH solution, an AgNO3 solution, beta-cyclodextrin, chitosan and glutaraldehyde are added according to a certain ratio; and ultrapure water, 0.3-0.4% (mass percentage concentration) HCl and ethanol are respectively used for washing, and drying is finally carried out to obtain the material. The composite material has strong degradation property on eriochrome black T, has fast photocatalytic degradation speed, and is easy to separate and recovery. Degradation rate under natural light can reach 95% and above.

The invention relates to a biocontrol strain JH21 for controlling rice sheath blight and rice blast, belonging to the technical field of plant protection. The bacteria are Pantoea agglomerans. The preparation method of the bacterial agent thereof comprises the following steps: using the bacteria to perform shaking cultivation in potato dextrose agar(PDA) culture solution at 30 DEG C in 180rpm for20-24 hours, then centrifuging in 6000rpm for 10 minutes, and using wet bacteria and the preservative fluid of the laboratory to prepare the bacterial agent according to a ratio of 1:40 (g / ml), wherein the total concentration of the live bacteria in the finished product is 3*10<9>-3*10<12>CFU / ml. The control rate of the JH21 bacterial agent to rice blast is about 65-75%, the yield can be increased by 40-50%; and the control rate to rice sheath blight is more than 60-70% and the yield can be increased by 40-60%. The JH21 bacterial agent can control rice sheath blight and rice blast simultaneously in one field; and the bacterial agent can obviously promote the growth of rice and increase the yield of rice. The bacterial agent can be used through soaking during seeding and after rice is transplanted, the bacterial agent is sprayed to control diseases.

The invention provides an unmanned aerial vehicle for removing bird nests. The unmanned aerial vehicle comprises an unmanned aerial vehicle body and a remote controller; a set of rotating wings is arranged in the circumferential direction of the unmanned aerial vehicle body, a pan-tilt is arranged at the bottom of the unmanned aerial vehicle body, and the pan-tilt is provided with a camera capableof rotating by 360 degrees; landing frames are arranged on the two sides of the unmanned aerial vehicle body; and the unmanned aerial vehicle body is internally provided with a second controller, a second communication module and a second power source. According to the unmanned aerial vehicle for removing the bird nests, a ground operator controls the unmanned aerial vehicle to fly to the heightof the bird nests through the remote controller, movement images of a clamping arm are observed in real time, the clamping arm is controlled to clamp the bird nests, then movement images of a cuttingblade are observed in real time, and the cutting blade is controlled to cut the bottoms of the bird nests, so that the bird nests are separated from an erected mother body; the automation and intelligent degrees are high, efficient removing of the bird nests can be realized, safety of operation and maintenance personnel of power transformation and safe running of power transmission lines are ensured, meanwhile, the bird nests are not damaged, young birds are not hurt, and the ecosystem is protected.

The invention relates to a biocontrol strain KMXU22 capable of preventing and treating soft rot of konjak and an antibiological inoculant of the biocontrol strain KMXU22, and belongs to the technical field of biopesticide. The preservation number of the strain KMXU22 provided by the invention is CGMCC NO. 6597. The antibiological inoculant is obtained by the following steps of: transplanting the strain KMXU22 into a test tube, carrying out one-cycle activation, and culturing for 48 hours at the temperature of 32 DEG C, wherein LB liquid culture medium in the test tube contains 10g / L tryptone, 5g / L yeast extract and 5g / L sodium chloride, and the pH value is 7.0; transferring an activated bacterial lawn into 600ml of LB culture solution which is filled in a 1000ml conical flask and has the same formula as a., and culturing for 72 hours under the conditions that the rotating speed is 120r / min and the temperature is 32 DEG C, so that zymogeneous bacteria solution is obtained; inoculating the zymogeneous bacteria in a seed tank in the ratio of 1: 200 by inoculation amount, and fermenting for 18-20 hours at the temperature of 32 DEG C, so that fermentation seed strains are obtained; and inoculating the fermentation seed strains into a fermentation tank in the ratio of 1: 20 by the inoculation amount, fermenting for 72-96 hours at the temperature of 32 DEG C, and storing the fermented seed strains as the antibiological inoculant when strain content is more than 2*10<10>-2*10<11> CFU / ml and the pH value is 7.0-7.6. The antibiological inoculant provided by the invention has the advantages that cost is low, no position or pollution is produced, and biocontrol effect is good.

A biocontrol strain KMXU28 for controlling paris rhizome root rot and a biocontrol agent thereof belong to the technical field of bio-pesticides. The accession number of strain KMXU28 is CGMCC NO. 6594. The biocontrol agent is obtained by the following steps: transplanting strain KMXU28 into a tube for activation by using one-inoculating loop of the strain to culture at 28 DEG C for 48 hours; transplanting activated bacterial lawn into 600ml LB culture medium contained in a 1000ml conical flask to culture under the conditions of 120 r / min, 28 DEG C for 72 hours to obtain a fermentation broth; incubating the fermentation broth in LB medium in a seed tank for fermentation culture at a ratio of 1:200, the temperature of the seed tank being 30-32 DEG C, and obtaining strain used for fermentation after fermentation for 16-18 hours; incubating the strain used for fermentation in a fermentation tank at a ratio of 1:20 for fermentation culture at a temperature of 30-32 DEG C for 72-96 hours, and saving the obtained material as a biocontrol bacteria solution; and centrifuging the biocontrol bacteria solution at 5000rpm for 6 min, to prepare an active bacterial agent with a preservation solution at 1:50 (g / ml). The biocontrol agent of the invention is low in cost, non-toxic and free of pollution, and can effectively prevent the successive cropping obstacle of soil-borne diseases of paris rhizome, thus improving harvest of paris rhizome.

The invention discloses a soil testing and formulated fertilization county expert consultation system. The system comprises a farmer operation-oriented touch screen system and a background management PC system, wherein the touch screen system uses a touch screen computer as a carrier; the PC system is electrically connected with the touch screen system and performs timely update and management on data of the touch screen system; the touch screen system comprises a resident identification card login interface, a geographic information system technology and a fertilization suggestion card printing exit; and the touch screen system comprises the geographic information system technology and a decision model, supports data query of GPS information, performs grading evaluation on a condition of abundance or deficiency of soil nutrients according to characteristics of different regions, crops and soils, and provides decisions for users. According to the system, the touch screen is used as the running carrier, so that an interface is tidy and attractive, the operation is simple, the decision data is accurate, the problems of relatively low technological and cultural qualities of farmers, difficulty in applying a soil testing and formulated fertilization technology, and the like are solved, and the purposes of thinking what the farmers think, meeting the needs of the farmers and developing agriculture by science and technology are achieved.

The invention discloses an ecological remediation structure enhancing phreatic zone exchanging and belongs to the field of ecological remediation structures preventing river bank erosion. The whole ecological remediation structure is a W-shaped rock block weir and is composed of protection arms, an inner arm and dam abutments. The inner arm is arranged at the center of a river way, the protectionarms are arranged on the two sides of the river way and connected with the dam abutments, and the dam abutments on the two sides perpendicularly stretch into river banks. The ecological remediation structure has multiple functions of enhancing exchanging between surface water and underground water, enhancing the purification effect of a phreatic zone, protecting a river way ecological system, preventing river bank erosion and the like. Compared with a traditional river channel improvement method, the ecological remediation structure has the beneficial effects that a river way surface water andgroundwater system is comprehensively considered, and the purification effect of the river way phreatic zone is given play to; and the cost is low, needed manpower is small, construction is easy, theecological remediation function can be maintained for a long term, and the application prospects in the fields of river way ecological remediation, river bank protection and the like are very wide.

The invention discloses a biocontrol strain YKY 01 for preventing and treating aromatic tobacco black shank and an anti-biological inoculant of the biocontrol strain YKY01, belonging to the technical field of bio-pesticides. The preservation number of the strain YKY01 is CGMCC (China general Microbiological Culture Collection) NO.7723. The anti-biological inoculant is obtained by the following steps of transplanting the strain YKY01 to a culture dish for activating, and culturing for 72 hours at 33 DEG C; transferring the activated lawn into 300ml of NA culture solution which is contained in a 500ml triangular flask, culturing for 72 hours at the rotation speed of 175 revolutions / min under the temperature of 33 DEG C to obtain primary fermentation liquor; inoculating the primary fermentation liquor into the NA culture solution in a seed tank according to an inoculation amount proportion of 1:150, thereby obtaining strain liquor for secondary fermentation after fermenting for 48 hours with the temperature of the seed tank of 32 DEG C-35 DEG C; and inoculating the strain liquor for the secondary fermentation to a fermentation tank for fermentation according to the inoculation amount proportion of 1:15, fermenting for 120 hours at the temperature of 32 DEG C-35 DEG C, and storing the strain liquor as biocontrol liquor, centrifuging for 3 minutes at 1500 rpm, and preparing with special-purpose preservative fluid to form active fungicide, so that the total concentration of viable bacteria in the fungicide is above1*1011 FU / ml. According to the biocontrol strain YKY 01 for preventing and treating aromatic tobacco black shank and the anti-biological inoculant of the biocontrol strain YKY01, the cost is low, the successive cropping obstacle of the aromatic tobacco black shank can be effectively prevented, and the yield and the quality are improved.

An apparatus and method for producing and storing ice on the sea using sub-zero cold air of the winter season, to achieve an earlier freezing period, and increasing the area and thickness of the ice layer, to suppress the melting of ice sheets and glaciers and suppress and overcome global warming as well as its side effects. The apparatus and method involve compressing cold air; injecting the compressed cold air into a storage tank; supercooling water using the injected cold air; forming an ice layer by misting the supercooled water into the sea; and increasing a thickness of the ice layer by additionally misting water onto the ice layer formed at water level.

The present invention is directed to an eco-friendly boundary stone block placed between the sidewalk and the street, wherein the boundary stone block has a tunnel in a body thereof for small animals that accidentally enter the street to safely pass through towards the sidewalk en route to their habitats, thereby securing the safety of small animals and further establishing a way for preserving the animals' ecosystem more actively. A boundary stone block as a tunnel for small animals according to the present invention is made out of high-strength materials and has a body (10) formed in required section area and length to be placed along the border between the street having a lower rim height and the sidewalk having a higher rim height, wherein the body (10) has a tunnel (20) for small animals, the tunnel being designed as a through path towards the sidewalk from the street.

The invention discloses a microbial improved riverway revetment device and a construction method. The device comprises a power conveying system and a slurry diffusion system, wherein the power conveying system comprises a slurry storage pool, slurry, conveying hoses, peristaltic pumps and grouting valves, inlets of the peristaltic pumps are connected with the slurry storage pool, and an inlet of each grouting valve is connected with an outlet of the corresponding peristaltic pump; the slurry diffusion system comprises grouting pipes with the number equal to that of the grouting valves; and slurry discharging holes are formed in the side walls of the grouting pipes, the outer walls are wrapped with geotechnical cloth, the bottoms are sealed, and the tops are connected with the conveying hoses connected with outlets of the corresponding grouting valves. The construction method comprises the following steps that mineralized bacteria turbid liquid is cultured to prepare cementing liquid; the side walls of the grouting pipes are wrapped with the geotechnical cloth and are perpendicularly pressed into a bank slope of a riverway revetment; and the grouting valves are opened, the peristaltic pumps are started, the mineralized bacteria turbid liquid is pumped into the grouting pipes, and the cementing liquid is pumped until the bank slope of the riverway revetment meets the improvementrequirement. The device is simple, construction does not need to damage an original riverway revetment, the construction cost is low, and energy conservation and environmental protection are achieved.

The invention relates to a recycling vehicle for fireproof fire extinguishment isolation cloth for a grassland. The recycling vehicle comprises a vehicle body, an engine, a cab, a rotary telescopic device, a recycling device and a sweeping device, wherein the engine, the cab, the rotary telescopic device, the recycling device and the sweeping device are mounted on the vehicle body; the rotary telescopic device is composed of a rotary disc, an oil cylinder, a supporting arm and a rotary telescopic arm; the recycling device is composed of a rotating shaft, a supporting rod and a supporting arm; the sweeping device is composed of a roller brush, a spring device and a connecting rod; the rotary telescopic device is connected with the recycling device in a hinged manner, and the sweeping device is connected with the recycling device in a hinged manner; the fire extinguishment isolation cloth laid on the grassland can be rapidly recycled for secondary utilization, resources are saved, the pollution to the grassland is avoided, the ecological balance of the grassland is maintained, in the recycling process, mechanical work is completely adopted, and operation is easy and convenient.

The invention discloses a strain with an antagonistic action on cabbage sclerotinia sclerotiorum. The strain is paenibacillus kribbensis and the diameter of a single thallus is (0.5 to 0.7)*(2 to 3) microns; the strain has no bacterial capsule and peripheral flagellum. The strain is gram positive and a spore has the size of (0.7 to 0.9)*(1.1 to 1.4) microns and has an oval shape. A bacterial colony has a rough and non-transparent surface and is white or slightly yellow; after the bacterial colony is subjected to bacterium shake culture in a potato dextrose liquid culture medium for 72h, the bacterial colony is slightly yellow; the strain is preserved in China Center for Type Culture Collection (CCTCC) on April 26, 2018, with the preservation number of CCTCC M 2018236. The strain provided by the invention is simple to produce and low in cost, and has no toxicity, no harms and no environment pollution; the growth of cabbage sclerotinia sclerotiorum hyphae is safely and effectively inhibited; meanwhile, green cultivation of cabbages is facilitated and a farmland ecosystem is protected.

The invention provides a deep tunnel automatic regulation and storage type sewage and rainwater ecological system. The sewage and initial rainwater flow through the herringbone flow control device and directly flow into the diversion pipeline, and directly enter the direct current transmission pipeline to be transported to the water treatment plant; as the rainwater increases, when the unit When the rainwater flow exceeds the load of the water treatment plant, part of the rainwater enters the underground reservoir for temporary storage. After the water storage capacity of the underground reservoir is full, the rainwater overflows directly into the storage-type deep tunnel. Directly enter the box culvert under the river and the lower water storage type box culvert; after the water storage capacity of the lower box culvert and the lower water storage type box culvert is full, the rainwater overflows and is discharged into the above-ground river. A multi-polarized automatic sewage rainwater control system is adopted to maximize Store rainwater, and the stored rainwater can be effectively controlled, and can be treated harmlessly to prevent water pollution to the greatest extent.

The invention discloses an ecological remediation structure enhancing phreatic zone exchanging and belongs to the field of ecological remediation structures preventing river bank erosion. The whole ecological remediation structure is a W-shaped rock block weir and is composed of protection arms, an inner arm and dam abutments. The inner arm is arranged at the center of a river way, the protectionarms are arranged on the two sides of the river way and connected with the dam abutments, and the dam abutments on the two sides perpendicularly stretch into river banks. The ecological remediation structure has multiple functions of enhancing exchanging between surface water and underground water, enhancing the purification effect of a phreatic zone, protecting a river way ecological system, preventing river bank erosion and the like. Compared with a traditional river channel improvement method, the ecological remediation structure has the beneficial effects that a river way surface water andgroundwater system is comprehensively considered, and the purification effect of the river way phreatic zone is given play to; and the cost is low, needed manpower is small, construction is easy, theecological remediation function can be maintained for a long term, and the application prospects in the fields of river way ecological remediation, river bank protection and the like are very wide.

The invention discloses a straw fiber stone composite ecological slope protection. The ecological slope protection is laid on the inclined bank slopes on both sides of the river. The ecological slope protection includes a plurality of straw fiber stone units assembled and fixed together. The straw fiber stone unit includes Concrete pouring main block with a rectangular parallelepiped structure and a shell-shaped surface layer made of straw fiber that is fixed on the main block and has the same shape as the main block; the invention not only has a simple structure and is environmentally friendly, but also can protect the banks on both sides of the river. It can prevent soil erosion when impacted by water flow, and it also has the functions of stabilizing vegetation and facilitating the growth of vegetation, and can protect the bank slope from the erosion of rainwater without affecting the water storage of the bank slope, thereby protecting the ecological system of the river.

The invention discloses a bacterial strain with antagonistic effect on Sclerotinia sclerotiorum of Chinese cabbage. , Perinatal flagella. Gram-positive, spores 0.7-0.9 × 1.1-1.4 microns, oval. The surface of the colony is rough and opaque, white or slightly yellow, and it was slightly yellow after 72 hours of shaking bacteria in potato glucose liquid medium; it was preserved in the China Center for Type Culture Collection on April 26, 2018, and the preservation number is CCTCC NO: M 2018236 . The strain of the invention is simple to manufacture, low in cost, non-toxic, harmless and free from environmental pollution, and is beneficial to safely and effectively inhibiting the growth of Chinese cabbage Sclerotinia sclerotiorum mycelium, and is beneficial to the green cultivation of Chinese cabbage, and protects farmland ecosystems.

The invention discloses a hydroelectric generation device for helping fish to migrate. The hydroelectric generation device comprises a wall body, a left-right through turbine cavity is formed in the wall body, a turbine is rotatably arranged on the inner wall of the turbine cavity, and a left-right through drainage cavity is formed in the upper side of the turbine cavity. Hinging cavities which are in bilateral symmetry with respect to the turbine and provided with openings away from one side of the axis of the turbine are formed in the upper side part of the drainage cavity in a communicatingmode, upper transmission cavities with openings away from one side of the axis of the turbine are formed in the upper sides of the hinging cavities, and power bevel gear cavities which are in bilateral symmetry with respect to the axis of the turbine are formed in the lower side of the turbine cavity. Fish at the hydroelectric generation position is fished and conveyed to the other position, thefish is prevented from being extruded by a turbine unit when passing through a hydroelectric power station, meanwhile, normal use of the turbine unit can also be guaranteed, the service life of the turbine is prolonged, the hydroelectric generation device can help the migrating fish to cross over the turbine unit, and therefore, smooth migrating and spawning of the fish can be protected.

The invention discloses a straw fiber stone composite ecological protection slope. The ecological protection slope is laid on inclined bank slopes on the two sides of a river channel. The ecological protection slope comprises a plurality of straw fiber stone units which are assembled and fixed together; and each straw fiber stone unit comprises a concrete pouring main body block which is of a transverse cuboid structure and a housing-shaped surface layer which is fixedly arranged on the main body block in a sleeving mode and is consistent with the main body block in appearance and made of straw fiber materials. The straw fiber stone composite ecological protection slope is simple in structure, the materials are environmentally friendly, the bank slopes on the two sides of the river channelcan be protected against water and soil loss when impacted by water flow, the functions of stabilizing vegetation and facilitating vegetation growth are achieved, the bank slopes can be protected against rainwater scouring under the condition that water storage of the bank slopes is not affected, and therefore the ecological system of a river is protected.

The invention discloses an AM mycorrhizal fungus MW21 and its biocontrol agent and application. The main component of the arbuscular mycorrhizal fungus MW21 powder is Gigaspora albida MW21. Mix the soil containing the above mycorrhizal fungal spores with kaolin in a certain proportion, dry and crush, add 1% gum arabic, and add sodium dihydrogen phosphate to adjust the pH to 7.0, pass through a 300-mesh sieve, and dry to 3% water content, made into a powder with a concentration of 40-60 spores / g. Sprinkle the powder on the root circle of woody plants according to the dosage of 2g / plant, the control effect on woody plant diseases is more than 52.29%, the effect of promoting growth is more than 30.60%, and the survival rate of disease-free woody plants can be increased by 26.66% % or more, and improve the stress resistance of woody plants, and the growth-promoting effect reaches more than 10%.

The invention discloses a preparation method of a novel silver-loaded titanium dioxide nanotube-magnetic chitosan / β-cyclodextrin composite material and its application in the treatment of printing and dyeing wastewater. This method mainly uses titanium dioxide nanotubes as the matrix, directional loading of silver particles on the surface, and then cross-linking with magnetically modified chitosan / β-cyclodextrin to synthesize a composite with excellent degradation performance for organic dyes under natural light. Material. The main technical features are: adding P25-TiO2 powder, NaOH solution, AgNO3 solution, β-cyclodextrin, chitosan and glutaraldehyde in a certain proportion. The material was obtained by washing and drying with ultrapure water, 0.3-0.4% (mass percent concentration) HCl, and ethanol respectively. It has a strong degradation ability to chrome black T, and the photocatalytic degradation speed is fast. The degradation rate can reach more than 95% under natural light, and it has the advantages of easy separation and recycling.

The invention discloses a water-rich stratum pipe piece combination structure and a construction method thereof. The combination structure comprises a plurality sets of jointed pipe pieces. Grouting walls are arranged on the outer sides of the pipe pieces and made of water-permeable grouting materials. Second lining concrete is arranged on the inner sides of the pipe pieces. Waterproof layers are arranged between the pipe pieces and the second lining concrete. According to the water-rich stratum pipe piece combination structure and the construction method thereof, the water-permeable materials are selected and used for the grouting walls, circular flow of underground water is restored, water and soil loss is relieved, and the ground ecosystem is protected. In the grouting process, the condition of too large grouting quantity or grouting pipe blocking is not liable to occur. Bentonite expands when encountering water, and holes of a water-rich stratum can be fully filled, so that ground subsidence caused by construction is reduced. The waterproof layers are additionally arranged between the pipe pieces and the second lining concrete, and the waterproof function of the pipe pieces and the function of rubber water stopping strips are combined, so that the waterproof effect is greatly promoted. Even if cracks occur to the second lining or water seepage occurs to the pipe pieces, water can be effectively prevented from entering a tunnel, and possibility is provided for long-term water prevention.

The invention discloses a method for cultivating salt-tolerant flora in a circulating aquaculture system of Maccullochella peelii. The method mainly comprises the following steps: firstly culturing fixed flora in fresh water culture, then gradually screening out adaptive flora through stepped salinity improvement, culturing out biological flora with a strong tolerance range, and finally culturingout salt-tolerant flora in a repeated screening manner. By means of the method, the dragon spots can be prevented from being invaded by the ichthyophthiriasis, and an original ecological chain is protected.