97results about How to "Stable growth environment" patented technology

The ecological slope protection structure for water and soil conservation for water conservancy construction comprises soil retaining plates fixedly supported on slopes on the two sides of a river, planting grooves for planting green plants are formed in the soil retaining plates, a water pumping pipe is fixedly connected, and the outer contour of the water pumping pipe is sleeved with a rectangular shell moving in a reciprocating mode; the rectangular shell is fixedly connected with a spray head and a drainage pipe which is in through connection with the spray head, in addition, a salvage mechanism and a liquid pumping mechanism are further arranged on the soil retaining plate and used for cleaning floating objects on the surface of river water and pumping the river water for irrigation, and the salvage mechanism achieves salvage of the floating objects through matched action of a cylindrical roller and a filter plate; according to the ecological slope protection structure, by means of an automatic irrigation system, the utilization efficiency of water resources is improved, the soil retention capacity is enhanced, plant growth is promoted, water and soil loss is effectively prevented, and the ecological slope protection structure can be applied to the field of ecological slope protection especially under the drought condition. The ecological environment is protected and recovered.

The invention relates to the technical field of automatic control, and discloses a decontamination control method and system for laboratory automatic feeding equipment and a storage medium, the method is based on a decontamination cleaning device arranged on a tail frame of laboratory equipment, and the method comprises the following steps: firstly obtaining an image above a tail frame of a conveying belt to obtain a dirt image, and identifying a first dirt feature according to a specific dirt threshold value; and calculating the corresponding first dryness and humidity and the first distribution uniformity. The immersion depth of the cleaning rolling brush in the disinfectant is adjusted according to the first dryness and humidity in an anti-correlation mode, if the dryness and humidity are high, immersion is shallow, and if the dryness and humidity are low, immersion is deep; the thickness of the cleaning rolling brush is adjusted in an inverse correlation mode according to the first distribution uniformity, if the uniformity is high, the rolling brush is thin, and if the uniformity is low, the rolling brush is thick. Then acquiring a side image of the tail bracket of the conveying belt, identifying a second dirt feature, calculating the dirt height, and adjusting the pressure of the scraper pressing the conveying belt and the rotating speed of the cleaning rolling brush according to positive correlation, wherein if the dirt height is high, the pressure is high, the rotating speed is high, and if the dirt height is low, the pressure is low, and the rotating speed is low. By means of the scheme, automatic and efficient decontamination can be achieved.

The invention discloses a selenium-rich foliar fertilizer and a preparation method thereof. The selenium-rich foliar fertilizer comprises the following raw materials in parts by weight: 0.01-0.1 part of a selenium compound, 1-5 parts of a carrier and an auxiliary agent, 0.05-0.3 part of a trace element additive, 10-20 parts of an organic material, 0.1-1 part of a seaweed extract, 0.1-2 parts of a microbial preparation, 0.01-0.1 part of a plant growth regulator, 1-2 parts of silicate and 1-2 parts of montmorillonite. The selenium-rich foliar fertilizer has the advantages of antibiosis and insect pest prevention, and solves the problems that in the preparation process of existing selenium-rich foliar fertilizers, natural materials are inconvenient to use for antibiosis and insect pest resistance, chemical pesticides possibly need to be additionally used for controlling insect pests, the production cost is increased, and chemical pesticide residues are possibly caused; the food safety and the environmental health are influenced.

The invention discloses a method for reinforcing anaerobic ammonia oxidation denitrification and dephosphorization of an urban sewage treatment plant by using a falling biological membrane. The method is realized based on a system consisting of two main units, namely a functional area I and a functional area II. Inlet water of the first functional area and part of outlet water of the settling pond enter a second functional area anoxic zone (8), and sludge of the second functional area flows back to a first functional area nitrogen and phosphorus removal unit (1) of the urban sewage treatment plant from a second functional area settling pond (9) through a sludge backflow pipeline (10). Therefore, the overall anaerobic ammonium oxidation bacteria abundance of the suspended sludge in the system of the functional area I is enhanced, and the denitrification performance is further improved. The anoxic zone reduces the nitrogen load of the whole system, and meanwhile, part of carbon sources saved in the anaerobic ammonia oxidation process are beneficial to biological phosphorus removal. According to the method, the nitrogen and phosphorus removal performance can be effectively improved without interrupting operation of the sewage treatment plant, and the method is suitable for upgrading and reconstruction of a built urban sewage treatment plant or deep nitrogen and phosphorus removal of a newly built sewage treatment plant.

The invention provides a power transmission and transformation project disturbed area vegetation restoration method based on nutrient soil, which comprises the following steps: firstly, preparing nutrient soil from 20-30 parts by weight of organic soil, 50-70 parts by weight of original soil, 0.03 part by weight of a soil binder, 3-5 parts by weight of a water-retaining agent, 5-10 parts by weight of a compound fertilizer and 3-5 parts by weight of a microbial agent; turning over the disturbance area of the power transmission and transformation project, and compacting the prepared nutrient soil in the disturbance area; then preparing plant seeds including festuca arundinacea, ryegrass and cynodon dactylon; uniformly sowing plant seeds in the disturbance area; irrigating the disturbed area after sowing, so that the soil soaking depth reaches 5-10cm; according to the method, a good growth substrate can be provided for plant seeds through the prepared nutrient soil, the prepared plant seeds are matched with the prepared nutrient soil, protection of the coconut shred blanket is combined, the seeds can be prevented from being washed by rainwater before germination, and the germination rate is remarkably increased.

The invention discloses a field water and fertilizer intelligent irrigation control method and system based on the Internet of Things, and relates to the field of intelligent irrigation, and the method comprises the following steps: collecting irrigation water quantity influence data and irrigation fertilizer quantity influence data through a sensing device connected with the Internet of Things, and carrying out the analysis and processing to obtain a field water and fertilizer irrigation demand index; and performing water and fertilizer intelligent irrigation control in the control center according to the field water and fertilizer intelligent irrigation parameters. According to the technical scheme, accurate analysis can be carried out according to the requirements of crops, corresponding irrigation control is executed, the irrigation management level of the farmland is improved, the water and fertilizer utilization efficiency is further improved, the stability of the growth environment of the crops is guaranteed, and the effectiveness and timeliness of irrigation resource utilization are fully ensured.

The utility model belongs to the technical field of shiitake mushroom planting, and particularly relates to a watering device for shiitake mushroom planting, which comprises a greenhouse frame body, a watering device and a watering device, the number of the motors is two, the two motors are fixedly mounted on the right side of the greenhouse frame body, and output shafts of the motors penetrate through the greenhouse frame body and extend into the corresponding mounting grooves; the left ends of the two lead screws are rotationally connected to the inner walls of the left sides of the corresponding mounting grooves, automatic watering operation of mushrooms in the greenhouse is achieved through a simple structure, watering range coverage is comprehensive, efficiency is high, the effect is good, manual watering is not needed, meanwhile, the humidity in the greenhouse can be adjusted, and the greenhouse is convenient to use. In addition, impurities at the water inlet end can be filtered, normal work of the watering assembly is guaranteed, time and labor are saved in operation, and practicability is high.

The invention belongs to the technical field of strawberry planting, and discloses a strawberry elevated planting water and fertilizer integrated device which comprises a control box, a gravel filter is installed on the rear side of the control box, the gravel filter is fixedly communicated with a laminated filter, and through cooperation of structures such as an outer pipe, an inner pipe, a spiral groove and an inclined hole, a double-layer drip irrigation pipeline is utilized, and the water and fertilizer integrated device is formed. By rotating the adjusting inner pipe, the drip irrigation point position can be adjusted, long-time drip irrigation at the same point position is avoided, each strawberry plant can uniformly receive fertilizer irrigation, the drip irrigation density can be adjusted, the drip irrigation rate can be adjusted in cooperation with a machine body, the device effectively adapts to the plant growth condition, constant-speed and accurate drip irrigation is achieved, it is ensured that the plant growth environment is basically consistent, and the quality is improved; the double-layer pipeline of the outer pipe and the inner pipe is adopted for drip irrigation, compared with a traditional mode that two single-layer pipes are used, the number of branches is reduced, the water pressure needed by a single planting box can be effectively reduced, more production lines can be increased, and therefore the strawberry planting yield is increased.

This utility model belongs to the field of seedling planting technology, specifically a greening seedling planting positioning support with a watering function. It includes adjacent positioning frames, with a main shaft welded through two of the positioning frames. A reducer is fixedly connected to the outer wall of one end of the main shaft via a coupling. A rotating shaft is rotatably connected between the two positioning frames via bearings, and a triangular frame is welded to the outer wall of one end of the rotating shaft. Through the cooperation of the positioning frames, rotating shaft, triangular frame, and positioning frame, the seedling planting frames can be placed at a uniform angle, avoiding planting angle deviations. The fixed structure of the main shaft and base frame enhances overall stability, reduces the risk of seedling tipping, and ensures a stable growing environment for the seedlings. The water pipe, nozzle, and solenoid valve form an automatic watering system. The 30° tilted nozzle allows for precise watering, replacing manual labor. Furthermore, the supplemental lighting on the top frame provides additional illumination, improving seedling growth quality and planting efficiency, thus solving irrigation and lighting assistance problems.

The utility model relates to the technical field of ecological environment-friendly tools, in particular to an ecological environment-friendly slope protection frame and mold, which comprises a plurality of slope protection frame shells, the slope protection frame shells are sequentially spliced and laid on slope edges, two inner cavities are arranged in the slope protection frame shells, and an upper planting area and a lower planting area are arranged in the inner cavities. The upper planting groove and the lower planting groove are the same in structure, and an anti-skid layer is arranged on the inner wall of the upper planting groove. In the ecological environment-friendly slope protection frame and the mold, the upper-layer planting area and the lower-layer planting area are arranged in the slope protection frame shell, compared with a traditional single-layer planting area, the plant growth space is remarkably enlarged, more types and numbers of plants can be planted, more dense vegetation coverage is formed, and the ecological restoration function of the slope protection is enhanced. Meanwhile, the anti-skid layer on the inner wall of the upper-layer planting groove can effectively prevent soil from slipping off after plants are planted, and the stable growth environment of the plants is guaranteed; the bottom water leakage holes facilitate water drainage, and water accumulation is prevented from affecting plant root growth.

The rice seedling raising device comprises a support and a controller, the support comprises a bottom plate and supporting columns perpendicular to the four corners of the bottom plate, a ceiling is arranged at the tops of the four supporting columns, a plurality of seedling raising devices are arranged among the four supporting columns from top to bottom, each seedling raising device comprises a seedling raising plate and a sliding way frame, the seedling raising plates are cavities, and the sliding way frames are arranged in the cavities. A cavity is formed in the seedling raising plate, a seedling raising groove is formed in the seedling raising plate, the bottom of the seedling raising groove extends into the cavity, water permeable holes are formed in the bottom and the side face of the seedling raising groove, a sponge block is embedded in the seedling raising groove, and a strip-shaped hole is formed in the top face of the sponge block. Through optimization and improvement in multiple aspects of multi-layer design, resource recycling, intelligent control, nutrient solution receiving optimization, simple operation and the like, the rice seedling raising efficiency and effect are remarkably improved. The novel rice seedling raising device not only solves the problems and limitation of a traditional seedling raising device, but also provides a more efficient, environment-friendly and intelligent seedling raising solution for rice production.

The disclosure discloses a method for preparing nanosheet calcium sulfate from phosphogypsum, nanosheet calcium sulfate and application thereof, and relates to the technical field of waste recovery. The method comprises the following steps: obtaining purified gypsum by pretreating phosphogypsum; mixing inorganic salt and an alcohol solution containing a crystal form regulator, clarifying, aging, and obtaining a crystallization template liquid, wherein the crystal form regulator is a combination of coniferyl alcohol and 1,2-di(4-pyridyl)ethylene; beating and reacting the purified gypsum and the crystallization template liquid, and obtaining nanosheet calcium sulfate after post-treatment. The disclosure can control the crystal morphology of calcium sulfate, inhibit the growth of the {111} crystal face, realize the growth of the crystal in a two-dimensional plane, and further form a sheet-shaped crystal. The growth environment of the crystal is relatively stable and is not easily affected by impurities. The nanosheet calcium sulfate prepared has good dispersibility and is not easily agglomerated.

The invention discloses a green ecological healthy aquaculture mineral source humus micro-powder preparation, which is characterized in that the preparation is prepared from a natural mineral source humus raw material, mainly lignite, which is treated by a high-tech mechanical superfine grinding processing technology to obtain superfine powder, the organic matter content of the superfine powder is greater than 80%, the humic acid content is greater than 40%, and the mineral source humus micro-powder preparation is prepared from the mineral source humus raw material. The preparation is prepared by using natural mineral source humus as a raw material through a high-tech mechanical superfine grinding processing technology, has the characteristics of high organic matter content and high humic acid content, can effectively improve aquaculture water quality and promote healthy growth of aquatic products, reduces the use of chemicals, guarantees food safety and ecological environment, and has a wide application prospect. By controlling the granularity of the mineral source humus micro powder preparation, the preparation has larger specific surface area and more surface defects, so that the biological activity and solubility of the preparation are enhanced. Therefore, the preparation can be dissolved into the water body more quickly, and the effects of purifying water quality and promoting ecological balance are achieved.

The invention discloses an on-ridge film mulching device for peanut ridging cultivation, and relates to the technical field of film mulching. According to the on-ridge film mulching device for peanut ridging cultivation, through the design of a composite mechanism, a roller shaft is connected with a rotating shaft block to be placed in a fixing frame, the roller shaft is fixed through the fixing frame, falling in the rotating film discharging process is prevented, film feeding is also facilitated, and the operation difficulty is reduced; the protection mechanism plays a role in covering the mulching film and prevents the situation that external impurities splash to damage the mulching film and affect the mulching effect, the backfilling mechanism is used for reclaiming the ground, the rolling mechanism is used for pressing the two sides of the mulching film, and therefore the mulching film can be effectively protected. And then the backfilling mechanism pushes the soil to accumulate towards the two sides of the mulching film, so that the mulching film is fixed and prevented from moving due to the influence of strong wind, and the mulching film quality is improved.

The present application relates to the technical field of planting and repairing of mudflat mangrove, and discloses a method for constructing mangrove mudflat suitable land based on lifting elevation, which comprises the following steps: S1, constructing mudflat suitable land: constructing suitable land according to target elevation; S2, constructing primary protection structure: constructing wooden pile protection structure on the sea side of suitable land; S3, constructing secondary protection structure: constructing oyster reef protection layer between the periphery of suitable land and the wooden pile protection structure; S4, constructing ecological dam: constructing ecological dam between the primary protection structure and the secondary protection structure, forming water storage area between the ecological dam and the secondary protection structure, and the ecological dam is further provided with a plurality of planting areas for filling planting biological nutrients. The present application can reduce the adverse effects of wind, wave and tide on mudflat and mangrove seedlings, improve the effect of mud and dam fixation, improve the survival rate of mangrove, and optimize the marine ecological environment.

The invention relates to the technical field of biological fermentation, and particularly discloses a stirring device for a fermentation tank, the stirring device comprises a stirring assembly, the stirring assembly comprises a stirring barrel, an end cover is fixed at the top of the stirring barrel in a sealing manner, a motor is fixed at the top of the end cover, and a hollow motor shaft coaxial with the stirring barrel is arranged in the center of the motor; the motor shaft penetrates through the end cover and is in sliding connection with a stirring shaft through a connecting piece; the interior of the connecting piece is hollow and is provided with a sliding groove I which is in sliding connection with the motor shaft, and the outer wall of the connecting piece is provided with a plurality of air holes I which are communicated with the interior of the stirring barrel; air holes II are formed in two ends of the motor shaft, one end is communicated with the connecting piece, and the air hole II in the other end is communicated with the external environment; a plurality of groups of supporting shafts are fixedly connected along the length direction of the stirring shaft, and every two supporting shafts form one group, so that the problem that the existing stirring device is single in stirring effect and function is solved.

The utility model belongs to the technical field of revetment buildings, and particularly relates to a novel ecological revetment which comprises a rubble layer laid on the surface of a bank slope and a plurality of check blocks arranged on the upper surface of the rubble layer, and the check blocks are sequentially arranged in the length direction of the bank slope at intervals and are sequentially arranged in the direction of a river channel along the bank slope. The check blocks are matched with each other and jointly cover the gravel layer, any two adjacent check blocks in the river channel direction of the bank slope are connected in an inserted mode, limiting pieces used for limiting the check blocks are further arranged between the check blocks and the bank slope, and a storage cavity is jointly formed between each check block and the gravel layer. A storage cavity is formed in the bank slope, a retaining wall is vertically arranged between the bank slope and the riverway, an opening communicated with the storage cavity is formed in the surface of each retaining block, soil is stacked in each storage cavity, plants are planted in the soil and grow outwards through the openings, and the retaining wall is vertically arranged between the bank slope and the riverway. The problem that an ecological revetment in the prior art cannot effectively prevent water and soil loss can be effectively solved.

The utility model discloses a monitoring device for a cell culture box, which comprises a culture box body and a circulating water replenishing mechanism arranged below the culture box body, the culture box body comprises a box body, the front side of the box body is movably connected with a glass sliding door, the circulating water replenishing mechanism comprises a spraying piece arranged in the box body, and the spraying piece is movably connected with the glass sliding door. A first water tank is fixedly connected to the top of the spraying piece and fixedly arranged on the top of the box body. The device has the advantage of automatically supplementing water, and overcomes the defects that although monitoring devices in part of cell incubators are powerful in function, some defects still exist in practical application, for example, when it is monitored that the cells are lack of water, the device cannot supplement water for the cells in time, and water still needs to be added through manual intervention, so that response delay is possibly caused, and the cell incubators are damaged. The continuity and the stability of cell culture are influenced.

The utility model discloses a goldfish cultivation greenhouse relates to the technical field of the greenhouse, and its technical scheme is: including the shed framework, the shed cloth is covered outside the shed framework, and the shed cloth one side is equipped with covering mechanism, covering mechanism includes two support frames, and two support frames are equipped respectively in the both sides of shed framework, and the outer surface of support frame is provided with the sliding slot, and covering mechanism includes unwinding subassembly and winding subassembly, and unwinding subassembly includes two first side plates, and two first side plates are fixedly connected with two support frames respectively, and the transmission shaft is connected through bearing between two first side plates, and one first side plate one side is equipped with the first motor fixedly, and the first motor output is fixedly connected with the transmission shaft, and the transmission shaft is coiled with the shade cloth outside, and the shade cloth one side is equipped with the connecting rod fixedly, and the beneficial effect is: effectively adjust the light and temperature condition in the greenhouse, provide a more stable, suitable growth environment for goldfish, and the operation efficiency is improved greatly through the manual regulation side shade curtain cloth quick release.

The utility model discloses a kind of watering-free flowerpots of water system intercommunication, including flowerpot outer tube and flowerpot inner tube;The space between flowerpot outer tube and flowerpot inner tube is configured as water storage space, and drainage structure is provided between water storage space and flowerpot inner tube, to drain the water in water storage space to flowerpot inner tube by the drainage structure;Flowerpot outer tube is provided with water inlet, and water is injected into water storage space by water inlet;Water inlet between adjacent flowerpots is communicated by plastic hose to keep the water level in the water storage space of adjacent two flowerpots consistent by plastic hose.The flowerpot of the utility model aims to reduce watering frequency, build efficient water storage and water supply system;Create stable growth environment for root system, reduce the risk of root rot;Unique appearance design makes the flowerpot have practicality and ornamental value;It can be used for agricultural, forestry industry seedling, mass production, adapt to various indoor and outdoor environment;Can effectively collect and utilize rainwater, reduce water resource waste, meet ecological environmental protection concept.

The invention relates to a hog house deodorization system device and a hog house deodorization system method, in particular to the technical field of odor purification treatment in the breeding industry, and the hog house deodorization system device comprises a fresh air unit and a first odor collection unit which are arranged in a hog house activity area and a second odor collection unit arranged in a hog house manure area; a gas outlet of the first odor collecting unit is sequentially connected with humidifying oxidation equipment and cyclone equipment; a gas outlet of the second odor collecting unit is connected with the adsorption-oxidation equipment; air outlets of the cyclone equipment and the adsorption-oxidation equipment are sequentially connected with dust removal equipment and exhaust equipment; and a liquid phase outlet of the cyclone equipment is connected with wastewater ozonization removal treatment equipment. According to the device provided by the invention, the stink of the pig activity area and the stink of the manure area are respectively collected and correspondingly treated, so that the dust and stink concentration of the pig house can be obviously reduced, the environment of the pig house and the influence of the discharged stink on the environment are improved, the operation process is low in noise, and the influence on the pig living environment is small.

The invention provides a culture method of a neurofibroma organ. The balling culture medium of the neurofibroma organ comprises EGF (epidermal growth factor) and FGF (fibroblast growth factor) with the concentration of 200-250ng The organoid culture method comprises the following steps: digesting neurofibroma tissue blocks to prepare a single-cell suspension; the single-cell suspension is placed in a culture dish treated by polylysine, a Schwann cell culture medium is added to be cultured for 24 hours, the Schwann cell culture medium contains forsklin and beta-heragulin needed by Schwann cell enrichment, and Schwann cell enrichment liquid is obtained; collecting Schwann cell enrichment liquid, adding the balling culture medium and Y-27632, culturing for 6-12 hours, collecting cells, adding the balling culture medium, and culturing for 7-14 days. The tumor ball culture method comprises the following steps: culturing the organoid according to the method, digesting the organoid and culturing. According to the present invention, the Schwann cell screening step is added, the components of the balling culture medium are improved, and the Y-27632 is added, such that the problems of small tumor ball number and small size are solved, and the stable neurofibroma organ can be formed.

The utility model relates to the technical field of ancient tree rejuvenation, and discloses an ancient tree rejuvenation well device which comprises a well body, a liquid conveying pipe is arranged in the well body, and an adjusting assembly is arranged in the liquid conveying pipe. The adjusting assembly comprises a first connecting plate and a second connecting plate, a first connecting column is fixedly connected to the outer wall of the first connecting plate, a second connecting column is fixedly connected to the outer wall of the second connecting plate, fixing columns are rotatably connected to the interiors of the first connecting column and the second connecting column, and a second fixing plate is fixedly connected to one end of the second connecting column; a first limiting column is fixedly connected to the outer wall of the second fixing plate, a sliding plate is fixedly connected to the outer wall of the second fixing plate, and two limiting holes are formed in the sliding plate. According to the utility model, the screw rod is rotated to drive the sliding plate to slide in the sliding rail to drive the limiting column I and the limiting column II to slide in the limiting hole, so that the connecting plate I and the connecting plate II rotate around the fixed column, the flow is adjusted, and the fertilizer damage phenomenon is prevented.

The utility model relates to the technical field of nereis breeding equipment, in particular to a nereis breeding vehicle utilizing kitchen garbage, which comprises a breeding vehicle main body and a feed production box arranged on one side of the breeding vehicle main body, a garbage classification module, a water tank frame, a garbage processor support, a storage bin support and a stirrer support are arranged in the feed production box, and a stirrer is placed on the stirrer support; the breeding vehicle comprises a breeding vehicle body, the breeding vehicle body is internally provided with a hole plate, the hole plate is fixedly connected with the inner wall of the breeding vehicle body through welding, and the bottom of the breeding vehicle body is provided with rolling wheels. Through cooperative work of the garbage classification module, the garbage processor, the stirrer and other components in the feed production box, available kitchen garbage is converted into nereis feed; the cost of purchasing the nereis feed is reduced, meanwhile, resource utilization of the kitchen garbage is achieved, the waste treatment cost is reduced, the resource utilization efficiency is improved, and sustainable development of the breeding industry is promoted.

The invention relates to the technical field of sewage treatment, and provides an integrated novel A / O tank which comprises an anaerobic zone, a circulating low-oxygen aeration zone, an air plug flow zone, an aeration pipeline set and a settling zone, the output end of the anaerobic zone is connected with the input end of the circulating low-oxygen aeration zone, the aeration pipeline set is arranged on one side of the circulating low-oxygen aeration zone, and the settling zone is arranged on the other side of the circulating low-oxygen aeration zone. An air plug flow area is arranged on the other side of the circulating low-oxygen aeration area, the output end of the circulating low-oxygen aeration area is connected with the input end of the settling area, the circulating low-oxygen aeration area comprises a first low-oxygen aeration area and a second low-oxygen aeration area, the input end of the first low-oxygen aeration area is connected with the input end of the anaerobic area, and the input end of the second low-oxygen aeration area is connected with the input end of the settling area. The output end of the first low-oxygen aeration area is connected with the input end of the second low-oxygen aeration area, and the second low-oxygen aeration area is connected with the input end of the first low-oxygen aeration area through the air plug flow area. According to the invention, the energy consumption can be greatly reduced, the efficiency can be improved, the inlet water can be diluted, the impact load can be reduced, a stable growth environment can be provided for microorganisms, and the dissolved oxygen control is stable.

The invention discloses a preparation method and system of a single-walled carbon nanotube. The strong heat absorption effect of decomposition of first carbon source gas is relieved through decomposition of second carbon source gas, energy balance in the reaction process is helped to be maintained, the growth environment of the single-walled carbon nanotube is stabilized, and the pipe diameter distribution dispersion can be narrowed. Meanwhile, the combination of different carbon sources dynamically optimizes the carbon supply, so that the directional decomposition efficiency of the carbon sources is further improved, carbon atoms can controllably participate in nucleation and growth, and the limitations of low nucleation rate and low yield in the traditional preparation process are effectively overcome.

The utility model relates to the technical field of kumquat planting, in particular to a multifunctional shed for kumquat planting. The multifunctional shed comprises stand columns, supporting columns, side columns, pressing rods, an insect-proof film and a waterproof film, wherein the insect-proof film and the waterproof film cover a shed frame. The insect-proof film effectively prevents insect pests, the waterproof film has a rainproof function, fruit cracking is reduced, and meanwhile the waterproof film can be closed under the high-temperature condition to reduce sunscald; in addition, the shed frame is specially provided with a drainage channel, rainwater drainage is optimized, and the roots are prevented from being waterlogged; the supporting columns are provided with sliding rails and sliding blocks and used for adjusting the coverage area of the waterproof film so as to adapt to different weather conditions. The design of the stand columns considers the stability of the structure and does not interfere with planting and construction operation. The utility model aims to provide a stable and adjustable kumquat planting environment, and aims to improve the environmental conditions of kumquat planting, especially for the variety of crisp and honey kumquats which are susceptible to sunburn and fruit cracking.

The invention provides a nesting-free water and fertilizer integrated transplanting method for flue-cured tobaccos, which belongs to the technical field of flue-cured tobacco transplanting and comprises the following steps: ridging along ditches or contour lines according to the row spacing of 120cm to create conditions for subsequent operation. The film covering and dropper laying all-in-one machine is used for achieving integration of film covering and dropper laying. Holes are punched in the mulching film, and preparation is made for tobacco seedling transplanting. Selecting high-quality strong seedlings, and transplanting tobacco seedlings by using a handheld transplanting device. The drip irrigation system comprises drip pipes, branch pipes, a main pipe, a pressure pump, a filter, a water tank and the like. Water, fertilizer and pesticide integrated drip irrigation is carried out three times after transplanting, pesticides include prevention and treatment of root knot nematode diseases, underground pests and two black diseases and application of compound fertilizer, potassium nitrate, potassium sulfate and the like, and by means of procedure integration, water, fertilizer and pesticide integration, precise drip irrigation, staged nutrient supply and the like, the problems existing in a traditional flue-cured tobacco planting technology can be effectively solved; the production efficiency and the resource utilization rate are improved, precise management is achieved, and the requirements of modern agricultural development are met.

The utility model discloses an anti-toppling cell culture bottle which comprises a main body assembly, a cell culture bottle cover, a cell culture bottle cover and an anti-toppling cell culture bottle cover, and an anti-toppling assembly, the anti-toppling assembly comprises a rear plate fixed to the rear side of the upper surface of the bottom plate, a limiting groove formed in the rear side wall of the outer surface of the rear plate, a clamping plate slidably connected to the interior of the limiting groove, a threaded rod welded to the upper surface of the bottom plate, a fixing ring in threaded connection to the outer surface of the threaded rod, and a first side plate fixed to the left side of the upper surface of the bottom plate. The circular hole is formed in the outer surface of the first side plate; the sampling assembly comprises a bottle cap which is in threaded connection with the outer surface of the bottle opening. The utility model relates to a cell culture bottle, in particular to a cell culture bottle, which aims to solve the problems of cell morphological change, cell membrane rupture and cell death caused by the fact that various operations need to be carried out on an operation table due to complicated operation and various instruments during cell culture, and cells and a culture solution are mechanically damaged when the cell culture bottle is knocked down and poured due to complicated personnel and carelessness.

The invention discloses an intelligent constant-temperature greenhouse for vegetable planting, and relates to the technical field of vegetable planting, the intelligent constant-temperature greenhouse comprises a greenhouse enclosure, a greenhouse top cover, a dynamic photo-thermal shielding assembly, a central controller and a constant-temperature adjusting assembly, the greenhouse top cover is fixedly installed on the top of the outer wall of the greenhouse enclosure, and the central controller is fixedly installed on the front face of the outer wall of the greenhouse enclosure; a photo-thermal shielding assembly is installed on the front face of the outer wall of the greenhouse top cover, a constant-temperature adjusting assembly is installed in the greenhouse fence, and the photo-thermal shielding assembly and the constant-temperature adjusting assembly are both connected with the central controller through data signal lines for information data interaction. By installing the photo-thermal shielding assembly, the photo-thermal shielding adjustment function is achieved, the contradiction problem caused by illumination temperature rise and insufficient illumination intensity is solved, it is ensured that crops obtain a stable growth environment by jointly adjusting the temperature and illumination, the influence of sudden environment changes on crop growth is reduced, energy consumption is reduced through fine adjustment, and the energy consumption is reduced. And the energy utilization efficiency is improved.