190results about How to "Guaranteed growth environment" patented technology

The invention provides a leech fry raising method which comprises the following steps: 1) hatching: hatching leech eggs in a hatching box, wherein the hatching box comprises a foam box and hatching substrate spread in the foam box; 2) obtaining fries: when small black spots appear on the leech eggs, putting the leech eggs with small black spots onto a foam plate, floating the foam plate on pond water of the fry culturing pond, covering the leech eggs with the water absorbing cloth, immersing two edges or four edges of the water absorbing cloth into the water, causing the leech eggs to completely hatch in 15-20 days, causing the hatched leeches to automatically enter the pond water of the fry culturing pond, and taking out the foam plate and the water absorbing cloth; and 3) raising the young leeches: raising the young leaches in the fry culturing pond. The leech fry raising method disclosed by the invention has the advantages of high survival rate of young leeches, is simple to operate and is suitable for large scale production.

The invention discloses a method for recycling phosphorus from sewage through bioelectrochemical struvite crystallization. The method aims to solve the problems that in existing recycling of phosphorus from sewage through bioelectrochemical struvite crystallization, an anode liquid is acidized, the overpotential is large, the magnesium source cost is high, and the like. Cheap magnesium ores are subjected to acidolysis in the anode liquid, acidification of the anode liquid is prevented, the overpotential is remarkably reduced, and the magnesium source cost is lowered. According to the method, based on a bichamber microbial electrolysis pool, under an extremely low externally applied voltage (0.3-1.2 V), an electrode reaction is performed to form conditions for acidification of the anode liquid and acidification of a cathode liquid; the crushed magnesium ores are added to an anode chamber, acidification of the anode liquid is prevented, the pH of the anode liquid is stabilized, and microorganisms are promoted to continuously degrade organic matter to generate power; and magnesium ions released through acidolysis of the magnesian cores move to an cathode through a cation exchange membrane under the drive of the electric filed force and has a crystallization reaction with ammonium radials and phosphate radicals under an alkaline condition, struvite deposits are formed, the pH of the cathode liquid is stabilized, and the purposes of removing and recycling the phosphorus from sewage are realized.

The invention relates to a recyclable cutting substance for growing lithocarpus polystachyus seedlings and application of the recyclable cutting substance. The recyclable cutting substance is mainly prepared from the following materials in parts by weight: 5-6.5 parts of yellow soil, 0.5-1 part of perlite, 1-2 parts of peat soil and 1-2 parts of coco coir. The substances with different components are matched according to the growth characters of the lithocarpus polystachyus so as to prepare the recyclable cutting substance with excellent performance, and the survival rate of cut shoots is increased above 98%; and the bred cut shoots can be easily taken out, so that the root damaging risk is reduced, the later-period field planting is facilitated, after the cut shoots are planted outside, a cutting bed can be repeatedly used after being subjected to outplanting and surface leveling, and the recyclable cutting substance has a very high use value. The recyclable cutting substance is simple, feasible, efficient and cheap, the breeding cycle of nursery stocks is shortened, and the seedling growing cost is lowered; and the recyclable cutting substance can be directly applied to actual production and has a relatively high economic benefit.

A method for forming a fin field effect transistor comprises the following steps: providing a semiconductor substrate, wherein fins are formed on the semiconductor substrate; forming gate structures which are across and cover part of the surfaces of the side walls and tops of the fins respectively; forming etch stop layers covering the fins and the gate structures respectively; forming a mask layer on each etch stop layer, wherein the mask layer is provided with a first opening which exposes the surface of the corresponding etch stop layer on the surface of the corresponding fin at the two sides of the corresponding gate structure; etching each etch stop layer along the first opening, and forming a second opening in each etch stop layer, wherein impurity elements entering in the etching process is left in the fins exposed by the bottoms of the second openings; performing first impurity element removal on the fins exposed by the bottoms of the second openings to remove the impurity elements left in the fins exposed by the second openings; performing back-etching along the second openings to remove part of the fins, and forming a groove in each fin; and forming stress source/drain regions filling the grooves. By using the method, the performance of the formed stress source/drain regions is improved.

The invention relates to a distributed intelligent flower cultivation management system based on NB-IOT. The system comprises distributed monitoring ends, a control end and a cloud server, wherein each monitoring module in distributed monitoring ends uploads collected environment monitoring data of flower planting to the cloud server; the cloud server sends a control command to the control end according to the environment monitoring data uploaded by each monitoring module; the control end receives a control command sent by the cloud server, and controls corresponding facilities of a flower planting area and adjust a flower planting environment parameter according to the control command. The system provided by the invention utilizes the characteristic that the NB-IOT technology has dense and massive connections to creatively achieve the intelligent cultivation of lots of different kinds of flowers; the flowers can be increased by only needing to increase the NB-IOT monitoring modules ofthe flowers without changing the control end, the cloud server and the intelligent terminal, so that the cost is greatly saved, and meanwhile the user management is facilitated.

The invention discloses a method of cultivating Gastrodia elata and belongs to the technical field of planting of Gastrodia elata. The method comprises the steps of preparing Armillaria mellea, preparing mushroom sticks, inoculating, cultivating Gastrodia elata, and managing. By controlling the cultivation process of Armillaria mellea and modifying the method of cultivating Gastrodia elata, the yield of Gastrodia elata is increased; tubers of Gastrodia elata cultivated through the method are uniform in size, full and good in condition.

The invention discloses an eel breeding method. The eel breeding method comprises the following steps of (1) selecting a pond, (2) pre-handling the pond, (3) establishing the ecology of the pond, (4) selecting eel fry, (5) placing the eel fry in the pond, (6) preparing feed, (7) throwing feed into the pond, (8) monitoring the enology and (9) catching eels. By the adoption of the eel breeding method, the eel survival rate is increased, the eel growth period is shortened, and it is guaranteed that the eels are delicious.

The invention provides a circulating type aquaculture system for maccullochella peelii. The circulating type aquaculture system comprises a culture pond and a water circulating system, wherein the culture pond is communicated with the water circulating system in a closed loop. The water circulating system comprises a filter device, a biochemical tank, a purification tank and an oxygen aeration mechanism, wherein water discharged from the culture pond passes through the filter device, the biochemical tank and the purification tank in sequence and flows back into the culture pond; the filter device is used for filtering suspended solids in the water; the biochemical tank is used for culturing bacteria to consume and decompose wastes in the water; the purification tank is used for clearing harmful substances and bacteria in the water away through ozone and ultraviolet rays; the oxygen aeration mechanism is used for increasing the content of oxygen in the water. The circulating type aquaculture system for the maccullochella peelii is used in a maccullochella peelii breeding method. By means of the circulating type aquaculture system for the maccullochella peelii, the water source utilization rate can be improved, energy is saved and emissions are reduced. The maccullochella peelii breeding method can increase the growth and development speed of the maccullochella peelii.

The invention relates to an automatic hydroponic cultivation system and method. The system comprises a PLC control system, and a nutrient solution circulation system, an illuminating system, a temperature and humidity adjusting system and an air circulation system which are connected with the PLC control system, and the nutrient solution circulation system is connected with multiple hydroponic frames. According to the system, according to the set temperature, humidity, air circulation time, nutrient solution EC value, PH value and the like, a nutrient solution reaching the set standards can beautomatically added, the nutrient solution flowing down from the hydroponic frames is recycled for secondary adjusting, the nutrient solution reaching the set EC value and PH value is output from a liquid storage barrel continuously, then the volume of addition and concentration of the nutrient solution are accurately controlled, and the growing environment of hydroponic plants is guaranteed.

The invention relates to a method and equipment for culturing seawater pearl shells. Cage-box series connection is combined with a rigid frame plane hanging culture. Firstly, posts are nailed into rows at the bottom of a culturing plant; after pearl shells are put into the box bodies of the cage boxes, a plurality of box bodies are connected together in series with a rope and then are tied to thefixed posts; and the box bodies of the cage boxes keep a certain distance from a seabed. Each cage box comprises a box body and a matrix plate and has the characteristics that each box body has a single-layer or multi-layer structure; the top is provided with an opening; each layer is provided with transverse supporting bars and vertical supporting rods; the circumambience of the transverse supporting bars and the vertical supporting rods are connected with the matrix plates; the pearl shells are put into the box bodies; and the bottoms of the box bodies are provided with gridless bases. The method and the equipment can enhance the survival rate of the pearl shells, have convenient operation and are favorable for the growth of pearl shells. The equipment has long service life.

This invention relates to a planting bed cofferdam for hydrophyte and making method. Said cofferdam includes timber pile and fascine, wherein the timber pile is uniformly distributed along planting bed, fascine located on the side of timber pile in planting bed, all fascine is bundled on timber pile, they are all nailed into river bed, then filled with panting soil to obtain the coefferdam. Said invention can be used in wet land landscaping.

The invention relates to a greening method for strand hillside, belonging to the wetland formation technology. Timber pile and sallow are used to fabricate the greening at strand hillside. Osier is used to protect bank of waterside. Osier is collected round the greening land to weave fagot. The fagot also adopts other shoot of broadleaved tree species and willow scion is adopted on timber pile. The timber pile is thrown into the slope and weaved osier is made into fence. The slope is cover with soil at the position where the timber pile is thrown and sand or riprap is collected at the lower of soil covered to reinforce. The osier can take root and shoot up after dipping and two to three months is needed from cutting to rooting. By above mentioned operation the purpose of wetland bank protection of waterside is achieved. A manufacturing method for the greening of bank protection of waterside is provided for modern wetland landscape garden and can be widely applied in landscaping work of wetland landscape.

The invention discloses an organic-tremella-fuciformis culturing technology. The organic-tremella-fuciformis culturing technology includes the following steps of a, culturing medium preparing; b, culturing medium bagging; c, sterilizing and cooling; d, strain selecting; e, strain inoculating; f, germination stage culturing; g, planting stage culturing; h, development stage culturing; i, opening tremella-fuciformis attracting; j, environment controlling; k, young-tremella-fuciformis-stage managing; l, ripe-tremella-fuciformis-stage managing; m, wet stopping and shaping; n, harvesting. Accordingto the organic-tremella-fuciformis culturing technology, culturing medium ingredients are selected, and nutriments in the organic-tremella-fuciformis culturing process can be fully guaranteed; by controlling the temperature, the humidity, illumination and water in the organic-tremella-fuciformis culturing process, the growth environment of organic tremella fuciformis is fully guaranteed, and thefinished product rate is increased.

The invention discloses a soybean sauce starter propagation device capable of recycling respiratory heat. The soybean sauce starter propagation device comprises a starter tank as well as a thermotank, an air energy heat pump and a hot water storage tank, wherein an air inlet tube and an exhaust tube are arranged on the starter tank; a fan for accelerating air flowing is arranged on the air inlet tube; the thermotank is used for raising the temperature of hot or cold air flowing through the thermotank or used for subsequently conveying the heated air into the starter tank through the air inlet tube through a heat exchanger arranged inside the thermotank; the air energy heat pump is connected with the heat exchanger arranged inside the thermotank; the hot water storage tank is used for receiving hot water produced through the air energy heat pump; the thermotank is arranged at the middle section of the air inlet tube and is positioned between the starter tank and the fan; the hot water storage tank is connected with the air energy heat pump through a communication pipeline; water circulation is formed between the air energy heat pump and the heat exchanger through the communication pipeline. The soybean sauce starter propagation device is used for recycling and utilizing biologic respiratory heat generated in the starter propagation process, the temperature of a starter material can be adjusted, and the purposes of energy conservation and consumption reduction are achieved. The soybean sauce starter propagation device is a precedent for recycling and utilizing the biologic respiratory heat generated from soybean sauce starter propagation by using the air energy heat pump at home and abroad.

The invention discloses a skin wound negative-pressure relaxation suture device and particularly provides a skin wound negative-pressure relaxation suture device used in the field of skin wound healing. The skin wound negative-pressure relaxation suture device is simple in structure and convenient to operate, provides a relaxation force while timely discharging out wound exudation and reduces the tension stimulation influence on the skin wound. The skin wound negative-pressure relaxation suture device comprises a negative-pressure pipe, a sealing membrane and pretightening force relaxation bodies, wherein the pretightening force relaxation bodies are arranged on two sides of the negative-pressure pipe, the sealing membrane covers the pretightening force relaxation bodies to form an airtight space, and the airtight space formed by the sealing membrane is in communication with the outside. The skin wound negative-pressure relaxation suture device utilizes negative pressure to enable the pretightening force relaxation bodies to deform, enables tension finally acting on the wound to be decreased, protects a scar repair body against tension stimulation, meanwhile sucks out the exudation from the wound through the negative-pressure pipe under the negative-pressure effect, ensures that the skin wound is clean and reduces the probability of repeated infection.

The invention discloses a walnut seedling culture method which comprises the following steps: (1) seed collection, (2) seed storage, (3) soil treatment, (4) seed treatment, (5) sowing and (6) seedling management. Seedlings cultivated through the method not only are high in survival rate, but also are high in stress resistance, the pest and disease incidence is obviously lowered, the seedlings grow well, the root system is robust, branches and leaves are luxuriant, and the seedlings have high market competitiveness.

The invention belongs to the technical field of biology, and particularly discloses a mesenchymal stem cell culture medium. The mesenchymal stem cell culture medium comprises a basal culture medium and additives, wherein the additives comprise non-essential amino acids, a pH regulator, antibiotics, organic substance components for promoting cell membrane synthesis, cell matrix components, cell growth factors, vitamins, trace elements and an antioxidant. The mesenchymal stem cell culture medium can provide nutrient substances required by cell growth for stem cell growth, maintain the cell growth environment and the cell activity, promote stem cell division and proliferation, increase the stem cell proliferation speed and shorten the stem cell culture time; meanwhile, stem cell differentiation can be inhibited, but the differentiation potential of stem cells is not influenced; after the culture medium is used for carrying out passage on the stem cells for multiple times, the stem cells can still keep the original biological characteristics and multidirectional differentiation potential.