346results about How to "Improve growing conditions" patented technology

Plant propagation material treated with a carbonaceous material is provided. Such treated plant propagation material is useful in a method of inducing microbial interaction with the plant propagation material that confers a benefit on the plant propagation material. The method includes placing the treated plant propagation material in a growth medium containing endogenous soil microorganisms.

The invention discloses a special composite isolation layer for ecological restoration of side slopes of an acid waste-rock yard, comprising a plastic biaxial geogrid, a soil improvement layer and a water discharging plate. The invention further discloses a method for ecological restoration of the side slopes of the acid waste-rock yard, comprising the following steps: arranging the composite isolation layer, an ecological rod, a geogrid mesh, a base material layer and a seed layer on side slopes, leading the plastic biaxial geogrid, the ecological rod, the composite isolation layer, the base material layer and the seed layer to act mutually, effectively improving the growth conditions of plants and leading the growth of the plants to have sufficient water and nutrients. The invention better realizes the ecological restoration and creation of ecological landscapes on the side slopes of the acid waste-rock yard without conditions for plant growth, and simultaneously guarantees the structure and stability of the side slopes, thus achieving the purposes of greening and beautifying the environment, conserving water and soil and inhibiting runoff, also having simple construction technique, easy implementation and high efficiency and being suitable for large-area application.

A method to fabricate a silicon-on-nothing device on a silicon substrate is provided. The disclosed silicon-on-nothing device is fabricated on an isolated floating silicon active area, thus completely isolated from the silicon substrate by an air gap. The isolated floating silicon active area is fabricated on a silicon germanium layer with a surrounding isolation trench. A plurality of anchors is then fabricated to anchor the silicon active area to the silicon substrate before selectively etching the silicon germanium layer to form the air gap. Isolation trench fill and planarization complete the formation of the isolated floating silicon active area. The silicon-on-nothing device on the isolated floating silicon active area can be polysilicon gate or metal gate and with or without raised source and drain regions.

The invention discloses a system and method for treating municipal sewage through short-cut denitrification-anaerobic ammonia oxidation after short-cut nitrification-anaerobic ammonia oxidation and belongs to the field of sewage biological treatment. The system comprises a raw water tank, an organic matter removal and dephosphorization SBR reactor, a short-cut nitrification SBR reactor, an anaerobic ammonia oxidation granular sludge UASB reactor, a second regulating water tank and a short-cut denitrification-anaerobic ammonia oxidation UASB reactor. All functional floras are subjected to advantageous culture in different reactors according to respective growth characteristics, so that a sludge age contradiction between denitrification and dephosphorization is solved, and stability of the treatment system is enhanced; real-time control is applied to the short-cut nitrification SBR reactor to solve the problem that short-cut nitrification with a low ammonia and nitrogen level is hard to maintain stably; water discharged from the short-cut nitrification reactor and water discharged from the organic matter removal reactor are mixed to solve the problem that continuous flow half short-cut nitrification is hard to maintain; short-cut denitrification-anaerobic ammonia oxidation is used for further treatment of water discharged from the anaerobic ammonia oxidation reactor to solve the problem that nitrate nitrogen is generated during anaerobic ammonia oxidation.

The invention discloses a method for restoring vegetations in a water-level-fluctuating zone. The method is capable of effectively preventing and controlling water and soil loss, intercepting and absorbing harmful chemical substances in a water body, reducing eutrophication of the water body and rapidly afforesting the water-level-fluctuating zone, and has the functions of fixing soil and retaining banks. The method comprises the following steps: 1) preparing soil of a riverside slope surface in a fluctuating zone, finishing the fluctuating zone along the contour line to form a step structure, and respectively digging a cuttage ditch on various steps of the step structure; 2) using nutrient soil to cover various cuttage ditches, inserting a plurality of living branch wooden piles, and connecting the adjacent living branch wooden piles on the same step by using a rope to form a whole, wherein planting grooves are formed between two rows of living branch wooden piles on the adjacent steps; 3) sequentially filling a lower mucky soil layer, a water supply layer, an upper mucky soil layer and a nutrient soil layer into the planting grooves from bottom to top so as to form a planting layer; and 4) respectively planting submerged plants, emergent aquatic plants and water-resistant tree shrubs in various planting grooves along the step structure from bottom to top, so that a three-dimensional vegetation restoring space is formed.

Aqueous compositions formed from combining water, and at least one solute such as sodium bicarbonate, acetylsalicylic acid or mixtures thereof, are used to introduce and maintain relatively high levels of carbon dioxide in the atmosphere of selected environments. The aqueous compositions benefit live plants and prolong the shelf life of various perishable foods and products, including vegetables, fruits, meats, fish, seafood, dairy products, and dry goods and ingredients. The aqueous compositions are applied directly by bathing or showering a perishable product in the aqueous compositions, or indirectly with absorption devices that carry the aqueous compositions, and which are placed in close proximity to a perishable product. An aqueous composition can be applied to or formed directly on an absorption device. An absorption device can also be recharged by reapplying or reforming the aqueous composition to the absorption device as needed.

A fertilizer special for rice comprises a base fertilizer and a foliage fertilizer. The base fertilizer is prepared from, by mass, 80-100 parts of a nitrogen, phosphorus and potassium compound fertilizer, 4-8 parts of medium and trace elements, 0.05-0.1 part of rare earth elements, 5-10 parts of quick lime, 60-100 parts of an organic fertilizer, 10-15 parts of fluorspar powder and 12-20 parts of vermiculite; the foliage fertilizer is prepared from, by mass, 10-15 parts of urea, 6-8 parts of potassium sulphate, 1-1.6 parts of magnesium sulfate, 1.2-1.8 parts of zinc sulfate, 0.8-1 part of borax, 0.5-0.8 part of sodium selenite, 1.2-1.6 parts of ferrous sulfate, 30-40 parts of amino acid, 20-25 parts of humic acid, 0.5-1 part of glycerol, 1.2-1.8 parts of Chinese herb extracts and 0.1-0.5 part of a plant regulator. According to the fertilizer special for the rice, multiple elements are compounded, the organic elements and the inorganic elements are combined, various nutritional ingredients achieve the synergistic effect, the nutrition is complete, slow-release growth is achieved, the utilization rate is high, the water retaining capacity and the fertilizer retaining capacity are good, the physical characteristics of soil are improved, the Chinese herbs achieve pest killing and fungus resisting, the safety is high, the rice quality is improved, and the rice yield is increased.

The invention relates to a method for comprehensively utilizing low-concentration heavy metal-containing soil improvement and repairing damaged soil by plants after detoxification of a contaminated field. The method comprises the following steps of: conveying of low-concentration soil after heavy metal-containing soil is detoxified, sludge and pulverized fuel ash; principal fermentation, mixing of various ingredients; primary fermentation; static state of post-fermentation (secondary fermentation); uniform turning (aerobic and anaerobic) fermentation; conveying of improved soil; and vegetation repairing (woody and herbaceous plants) planting for the contaminated soil. In the method, a modifier is added for modification, so that the content of heavy metals in the soil is reduced, the structure and pores of the damaged soil are repaired, and the permeation and air permeability of the soil are improved; and organic matters and other noxious matters in sludge and soil are decomposed and degraded in a certain condition by utilizing microbes in the sludge to reduce volume weight and compactness, so that the improved soil forms a substance similar to humus soil to serve as a biochemical process of the improved soil and fertilizer. According to the method, the planted vegetation growing environment of the land which uses the improved soil as a soil base material is ensured, so that the waste is used to treat waste, and the comprehensive utilization is improved.

The invention discloses a stretch-electricity combinational stimulation cell culture device. The device comprises a cell culture box, a cell culture cavity fixing frame, a cell culture cavity, a stepper motor and a signal generator, wherein the culture box is provided with a porous channel communicated with outside; the cell culture cavity is fixed in the cell culture cavity fixing frame; the cell culture cavity comprises a fixed threaded rod, a groove body, a fixed clamping apparatus, an elastic membrane, a sliding clamping apparatus and a sliding threaded rod; the elastic membrane is fixed on the fixed clamping apparatus and the sliding clamping apparatus; the fixed clamping apparatus is connected with the fixed threaded rod; the sliding clamping apparatus is connected with the sliding threaded rod; the fixed clamping apparatus, the elastic membrane and the sliding clamping apparatus are positioned in the groove body; the sliding threaded rod is connected with the stepper motor; andthe signal generator is connected with a metal electrode in the cell culture cavity. The stretch-electricity combinational stimulation cell culture device overcomes the disadvantage of incapacity of simulating a physical microenvironment in which internal cells are subject to stretching force and electric stimulation at the same time in the conventional method, establishes a cell culture method under the condition of combining stretching force stimulation with electricity stimulation, and promotes the development of cell and tissue culture methods and related tissue engineering reactors.

The invention discloses a fast propagation method of orchid tissue culture, including culture steps of inducing, reproducing and successive transfer. An inducing medium used for inducing culture is a semi-solid medium taking an improved MS as a basic medium and adding with other ingredients; a medium used for reproducing and successive transfer is a two-phase medium of liquid and solid taking the improved MS as the basic medium and adding with other ingredients. The gentle shaking of a temperature-controlling shaking bed is combined into the invention. The invention realizes the target of highly efficient inducing and reproducing, alleviating browning and effective successive transfer, which is especially suitable for the orchid tissue culture.

The invention discloses a method for planting organic tea by using a greenhouse. The method comprises the steps of: establishing a modern greenhouse tea garden; simulating a natural ecological environment needed by tea trees; providing conditions such as ideal temperature, humidity, illumination, fog, moisture, nutrition and the like needed by the growth of the tea trees; measuring a soil formula; planting organically; controlling intelligently; trimming, managing and maintaining according to a traditional method; performing environmental protection to prevent insect pest; controlling germinating time and period of the tea trees; promoting the tea trees to give off high-quality leaf buds by utilizing temperature change; realizing four-season planting, harvesting and processing according to the requirements. As the modern greenhouse technology is adopted to plant the organic tea, the method for planting the organic tea by using the greenhouse can break through seasonal and regional limitation, can simulate the natural ecological environment and can provide ideal growth conditions for the tea trees; the planted tea leaves are good in quality; the method for planting the organic tea by using the greenhouse is environmental friendly, free from insect pests, suitable for organic tea planting development, simple and high in economic benefits.

The invention discloses an outdoor ceramic water permeable brick which comprises a backing material and a surface layer, wherein the backing material comprises the following components in percentage by weight: 90-95wt% of ceramic waste particles which are crushed to be greater than 0 mesh but smaller than 200 meshes and 5-10wt% of a binder which is bentonite; and the surface layer comprises colored ceramic waste particles which are crushed to be greater than 0 mesh but smaller than 200 meshes and the binder, or a mixture of pigments, ceramic waste particles which are crushed to be greater than 0 mesh but smaller than 200 meshes and the binder; weight of the surface layer accounts for 20% of the weight of the backing material; and the pigments are common ceramic industrial raw materials.

An irrigation control system is described for optimizing water used for growing crops. The irrigation control system uses a moisture sensor to measure soil moisture by measuring directly the relative phase velocities of different modes of propagation along a metallic structure mounted to a dielectric substrate. The average phase velocity is a function of the water content of the soil. The water content measurement is then transmitted to a central controller which then, through a set of heuristic algorithms, regulates the water distributed to the soil in a spatial and temporal manner.

The selenium-rich sweetener consists of selenate 10-20 wt%, sodium nitropeolate compound 5-10 wt%, RE and/or calcium chloride 20-40 wt%, 2, 4-D sodium 0.1-0.6 wt%, peregal 0.1-0.6 wt%, Mo 7.5-12.5 wt%, Zn 12.5- 25 wt%, and B 12.5-25 wt%. It is prepared through drying material, crushing, mixing and packing. The selenium-rich sweetener is applied to melon and fruit to increase selenium content, sweeten, raise quality and raise yield.

The invention relates to a nodulizing pearlite and a production method thereof and relates to the technical field of metallurgical technique. The production method comprises the following steps: 10 to 91.7 percent of scrap steel, 0 to 53.3 percent of scrap returns, 0 to 75 percent of pig iron, 0 to 3.87 percent of recarburizing agent, 0 to 1.53 percent of ferrosilicon and 0.2 to 0.67 percent of ferromanganese are thrown into a medium frequency induction furnace with acid lining; after being molten, the obtained mixture is poured in a ladle with 1.4 to 1.6 percent of rare earth ferrosilicomagnesium alloy and part of inoculant; then the remaining inoculant is added again; and the pearlite QT700-2 is formed after spheroidization. The invention does not use pig iron or uses little pig iron, but uses large amount of scrap steel and scrap returns so as to save the cost of raw materials; synthetic cast iron using a recarburizing method for adjusting the carbon content and a smelting method thereof contain 3.7 to 3.9 percent of C, precipitates large amount of graphite, have small dimension of sphere diameter, increase roundness and can reduce the hole area and reduce the area of shrinkage porosity, thus leading the casting product to be more compact.

The invention discloses a method for improving large-size monocrystal diamond joint quality and belongs to the field of monocrystal diamond materials. The method comprises the following steps: simultaneously grinding and polishing two monocrystal diamonds, carrying out groove cutting treatment of different modes on surfaces of the monocrystal diamonds by using a laser etching technique, an electron beam lithography technique, an ICP (inductively coupled plasma) technique or a focused ion beam bombardment method so as to achieve splicing joint groove cutting treatment with a low displacement density and high quality, carrying out splicing growth on the two monocrystal diamonds under a microwave plasma condition, and finally splicing the two monocrystal diamonds in a transverse epitaxial manner, so as to obtain a high-quality large-size monocrystal diamonds without a splicing joint. Due to different micro-groove structures, shielding of microwaves upon plasma can be achieved, then the ratio of a transverse and longitudinal growth velocity can be optimized, furthermore, displacement defects caused by transverse epitaxies can be effectively inhibited, the consequence that a CVD (chemical vapor deposition) growth layer has a polycrystallization phenomenon or a low quality zone of a high displacement density is formed by displacement continuation can be avoided, and improvement of diamond joint quality is achieved.

The invention belongs to the technical field of ecological restoration and particularly relates to a water body ecological restoration method. The water body ecological restoration method comprises the steps that the water surface is cleaned, then submerged plants, emergent aquatic plants and floating-leaved plants are planted, and aquatic animals are put in. According to the water body ecological restoration method, sludge at the water bottom is treated with a plant blanket in-situ coverage method, root systems of the emergent aquatic plants are fixed with pollution-free clay, and a putting-in type planting method is adopted for the floating-leaved plants and the emergent aquatic plants. The aqueous plants can provide an adhesion symbiotic space for microorganisms, and provide a food source for aqueous animals, fish and shellfish are put in when the aquatic plants grow stably, and a rapid and simple water body forest system is formed. By means of the water body ecological restoration method, the effects of fixing sludge at the water bottom, restoring the natural ecological environment and maintaining the water to be clear permanently can be achieved; meanwhile, a dwelling site can be provided for fish and birds, and certain river landscape can be formed.