1508results about How to "Improve planting efficiency" patented technology

An apparatus for pneumatically conveying particulate material containing reaction products of a high pressure reactor from a supply vessel at a pressure of at least two bar to a receiving vessel at a considerably lower pressure. The apparatus includes a conveyor line attached to the supply vessel, a collecting vessel between the conveyor line and the receiving vessel, the collecting vessel including (i) a discharge conduit for the carrier gas, (ii) a device for controlling the discharge velocity of the carrier gas from the collecting vessel, and (iii) a device for controlling the pressure of the material collected in the collecting vessel, and a device for conveying the material directly from the collecting vessel to the receiving vessel essentially at the same pressure as is prevailing in the receiving vessel.

This invention concerns the use of pressurized steam as the cooling medium for a gas turbine combustor. It is distinguished by the following. Steam supply manifolds or ports for the cooling steam are provided on the gas inlet and outlet sides of the combustion chamber in the gas turbine combustor. A steam exhaust manifold or port for the cooling steam is provided between the gas inlet and outlet sides, in approximately the center of the chamber. Cooling channels for the steam are created in the external wall panel of the chamber between the steam supply manifolds and the exhaust manifold. The steam supplied into the wall panel through the steam supply manifolds on the gas inlet and outlet sides of the chamber is exhausted to the exterior via the steam exhaust manifold in the center of the chamber. This design allows pressurized steam with a high thermal capacity to be used to effectively cool the wall panels of the combustor, which are exposed to extremely hot combustion gases.

The invention relates to an internet-based intelligent planting device, system and method. The internet-based intelligent planting device comprises a base, a display/operation module, a transparent cover, a planting basin, an integration control system, a camera and an environment sensor. The integration control system is arranged in the base. The display/operation module is arranged outside the base and connected with the integration control system. The planting base is arranged on the base. The transparent cover is arranged on the base. The base is provided with a support to be used for mounting the camera and the environment sensor. The camera and the environment sensor are arranged on the support in a pluggable mode. A data line is hidden in the support and connected with the integration control system in the base. By means of the internet-based intelligent planting device, system and method, the mass growers are helped in knowing the plant information to plant healthy plants, professional plant research personnel can be helped in obtaining the plant samples through the internet, analysis and research are facilitated, data support is provided, the planting environment is improved, and the planting efficiency is improved.

The present invention is a hybrid system for generating power from hydrocarbon and alcohol fuels using a two-stage process to achieve high overall energy conversion efficiency. The first stage is a reformer and fuel cell subsystem that uses an internal combustion engine operated at an air/fuel ratio richer than stoichiometric as a partial oxidation reformer for commonly available liquid or gaseous hydrocarbon or alcohol fuels. The engine produces shaft power and a product gas mixture containing hydrogen, carbon monoxide, and traces of light hydrocarbons that is used as fuel in fuel cells to generate electric power. The second stage is a heat engine subsystem that captures heat from the reformer and fuel cell subsystem, and produces additional shaft power. In addition to efficiency, advantages include adaptability to a variety of fuels, quick system startup with immediate shaft power availability, and low emission of pollutantants.

A method for the uninterrupted operation of a gas liquefaction system is provided, wherein the operation is continuously monitored for at least those users of the refrigerant compressor component which represent a two-digit percentage of the total load on the refrigerant compressor component. A total instantaneously available negative load reserve is calculated, and at least one predetermined turbine is switched off when the load reserve reachable via a frequency regulation of the one or more refrigerant compressors is lower than the energy demand of the largest of the refrigerant compressors and either a refrigerant compressor fails or a speed of frequency change for the power supply network for the gas liquefaction system exceeds a present threshold.

A method of dewatering corn stillage solids comprising adding to the solids an effective coagulating and flocculating amount of an anionic copolymer comprising acrylic acid sodium salt, methacrylic acid sodium salt or 2-acrylamido-2-methyl-1-propanesulfonic acid sodium salt to form a mixture of water and coagulated and flocculated solids; and separating the water from the coagulated and flocculated solids using a dewatering device.

The invention belongs to the field of agricultural films, and proposes a biodegradable weed-removing film and a preparation method thereof. The herbicide is mixed with a coupling agent, a biodegradable resin and a processing aid, and extruded and granulated in an extruder to obtain a biodegradable mulch film. Biodegradable weed-removing masterbatch, this kind of weed-killing masterbatch contains 10-90% biodegradable resin, 2-80% herbicide, biodegradable resin includes PLA, PBS, PPC and PBAT; then biodegradable weed-removing The masterbatch and biodegradable polymer materials are mixed according to the traditional plastic blow molding process to obtain a biodegradable weed-removing mulch film. The proportion of herbicides in this weed-killing mulch film is 0.5-20%. The biodegradable weed-removing mulch film prepared by this method , can adapt to the climate and soil environment in various places, meet the requirements of increasing temperature and moisture conservation required for plant growth and development, and can be decomposed by microorganisms in the cultivated land environment after reaching the use requirements; the preparation method of the present invention is simple and easy, and the prepared film can It meets the use requirements of mechanical farming and has broad application prospects.

The invention relates to a method for planting submergent plant in lake, which in detail relates to a method for planting aquatic weed. It is characterized in that it comprises following steps: selecting aquatic weed variety: selecting aquatic weed of no root, long plant and early germination; preparing seed bed: preparing framed net platform; replanting aquatic weed: planting aquatic weed into seed bed; fixing aquatic weed: managing seed bed: moderating seed bed position; forming new aquatic weed community; moving seed bed to weedless area for continuous growth. The method can plant submergent plant in water with depth of 1.5- 2.0 meter and transparency of lower than 50 cm, the submergent plant can grow perpetually and it is helpful to improvement and stability for aquatic ecologic environment.

Methods and compositions for modulating plant development are provided. Nucleotide sequences and amino acid sequences encoding Ovule Development Protein 2 (ODP2) proteins are provided. The sequences can be used in a variety of methods including modulating development, developmental pathways, altering oil content in a plant, increasing transformation efficiencies, modulating stress tolerance, and modulating the regenerative capacity of a plant. Transformed plants, plant cells, tissues, and seed are also provided.

The invention discloses a trichoderma preparation for preventing and treating soil-borne diseases of crops and a preparation method thereof. The compositions of the preparation comprise that: a carrier comprises a useful quantity of Trichoderma harzianum strains Th-192 CGMCC NO.2634. The preparation method comprises the steps of propagation of the strains Th-192, liquid and solid fermentation culture, addition of an accelerant, and the like. The preparation has the advantages of wide sources of raw materials, short production period, low cost, large spore yield, convenient use, wide applicable crops and obvious functions of promoting growth and increasing production.

The invention discloses a mixed seeding green manure dressing method for a tobacco field. According to the method in the invention, mixed seeding is carried out on ryegrass and Chinese trumpet creeper in an equal ratio from the first ten days of September to the first ten days of October, wherein the seeding amounts of the ryegrass and Chinese trumpet creeper are 1.5-2.0kg/mu respectively, basic seedling amount is 70000-100000 plants/mu, 1500-2000kg of fresh samples are turned over and buried in per mu of soil with the depth of 10-20cm at the time of 40-45 days before flue-cured tobacco transplanting, and the pure nitrogen applying amount is reduced by 1.8-2.4kg/mu when tobacco seedlings are transplanted. The method comprises soaking seeds, seeding, fertilizer water management, turning over and burying and fertilizer application when the tobacco seedlings are transplanted. By using the method, the problems that when the fertilizer is singly applied for a long term, the carbon-nitrogen ratio in the tobacco field is reduced, nutrient is not balanced, effective fertilizer supplying capacity is weak, and the chemical components of tobacco leaves are inconsonant are solved. The method has the advantages that quick-action nutrient content, total bacterial count and nitrobacteria and actinomycetes quantities in current-season tobacco transplanting soil are obviously increased, the nutrient of the tobacco plants is consonant, the potassium-increasing base-reducing effect of the tobacco leaf is obvious, aroma quality is improved, and the benefit of tobacco planting is greatly improved. The method has good popularization value in the aspect of modifying the long-term continuous cropping tobacco field.

PCT No. PCT/JP98/00552 Sec. 371 Date Apr. 29, 1999 Sec. 102(e) Date Apr. 29, 1999 PCT Filed Feb. 12, 1998 PCT Pub. No. WO98/36220 PCT Pub. Date Aug. 20, 1998This invention concerns the use of pressurized steam as the cooling medium in the combustor wall of a gas turbine combustor. It is distinguished by the following. The combustor wall is configured by 1) a plurality of cooling channels for cooling steam, sealed by an exterior wall panel and a heat-resistant plate which are assembled by soldering or some other method; 2) a supply manifold for supplying the cooling steam into the cooling channels, which is provided on one end of the cooling channels; and 3) a recovery manifold for recovering the cooling steam from the cooling channels, which is provided on another end of the cooling channels. This arrangement can form strong enough steam-channels that do not allow any leakage of the high pressure steam from the cooling system.

The invention discloses a plant cultivation method combining seedling nursing, mechanical transplanting and seedling protection. The plant cultivation method comprises the following steps of (1) seedling nursing through protective barrels: nursing seedlings through the degradable protective barrels; (2) mechanical transplanting and protection of plant seedlings: transplanting the plant seedlings and the protective barrels together through a mechanical device. By means of the plant cultivation method, the rate of survival of plants in desert regions is increased greatly, quality of nursery stocks is improved, standardization of the nursery stocks is achieved, safety transportation of the nursery stocks is guaranteed, planting efficiency is increased, and cost is reduced. Therefore, plant cultivation method combining seedling nursing, mechanical transplanting and seedling protection is an efficient path for desertification control and industrialization accomplishment, and the optical scheme for desertification control and industrialization accomplishment in the future.

The present invention is related to rotor blade for a wind energy plant, with a blade root, with a first longitudinal portion starting from the blade root, with a second longitudinal portion, following up the first longitudinal portion and running into a blade tip, with a first surface, facing a tower of the wind energy plant in its assembled state, and a second surface, facing away from the tower of the wind energy plant in its assembled state, wherein an imaginary reference plane is spanned up by a rotation, taking place in the operation of the rotor blade, of the longitudinal axis of the first longitudinal portion around the rotational axis of a rotor of the wind energy plant carrying the rotor blade. The objective to provide a rotor blade which has a high efficiency even at safe prevention of collisions of the blade tip with the tower of the wind energy plant, and in which the moments around the longitudinal blade axis occurring in the operation are reduced, is resolved by the invention in that the first surface runs along an imaginary cone plane in the region of the second longitudinal portion, which is spanned up by a rotation, taking place in the operation, of the first surface in the region of the second longitudinal portion around the rotational axis of a rotor carrying the rotor blade, wherein the cone plane intersects the reference plane in an angle, and that the distance between the first surface and the reference plane along the second longitudinal portion increases linearly in the direction towards the blade tip, and that the second longitudinal portion is longer than the first longitudinal portion. In addition, the present invention is related to a wind energy plant.

The invention discloses a multifunctional compound fertilizer additive and a preparation method thereof. The preparation method comprises the following steps: uniformly spraying a compound amino acid complex solution of trace elements containing Fe, B, Mn, Cu, Zn and Mo, rare earth elements containing Ce and La and beneficial mineral elements containing Ni, Co and Ti on grass carbon, brown coal or weathered coal powder, airing or drying, and then crushing to obtain a material A; preparing dicyandiamide used as a nitrification inhibitor into an ammonia solution to be adsorbed on carboxymethyl cellulose used as a water retention agent, airing or drying, and then crushing to obtain a material B; mixing cobalt sulfide and molybdenum sulfide which are used as nitrogen fixation catalysts with bean cakes or corn starch to obtain a material C; and uniformly mixing the material A, the material B and the material C to obtain the additive. The multifunctional compound fertilizer added with the additive of the invention has the advantages of fixing nitrogen, dissolving phosphorus, enriching soil, reducing nutrient loss, improving nutrient utilization ratio, improving crop enzyme activity, promoting metabolism, improving crop quality, increasing crop yield, retaining water, saving water, resisting drought, regulating buffering acidity or saline-alkali soil, and improving soil structure.

The invention discloses an intercropping cultivation method of corn and rice beans, and relates to a cultivation method of the corn and the rice beans. The invention aims to solve the problems that accumulated temperature of a high latitude area in northeast is insufficient, the growth period is short, the yield and plant benefit are low, and the farming enthusiasm of peasant is poor under an existing planting pattern. The intercropping cultivation method comprises the steps of 1, plowing in autumn, harrowing and careful soil preparation; 2, selection of improved varieties; 3, seed treatment; 4, timely sowing and reasonable close planting; 5, field layout of intercropping cultivation method of the corn and the rice beans; 6, scientific field management; 7, timely harvest. According to the intercropping cultivation method disclosed by the invention, 2000 to 3000kg of clean production rice beans per hectare is increased under the situation that the yield of the corn is not reduced, the yield of crops and the benefits in a unit area are significantly improved, and the advantages of increasing production and increasing efficiency are obvious. The intercropping cultivation method of the corn and the rice beans is applied to the field of crop planting.

The invention relates to a potato combined harvester, which is capable of effectively solving the problem of low potato harvesting efficiency. According to the technical proposal, the potato combined harvester comprises a frame, wherein the frame is composed of a main frame and an auxiliary frame which are articulated with each other; a stem cutter, a stem pick-up device and a stem feeder are sequentially mounted on the auxiliary frame; a stem crushing/throwing mechanism is mounted on the main frame of the discharge end of the stem feeder; a driving cab and a potato collecting box are mounted on the main frame; an engine and a speed changing box which are connected together are sequentially mounted on the main frame at the lower part of the driving cab; a potato-soil lifter and a cage type potato-soil separator are respectively mounted on the main frame at the lower part of the potato collecting box, respectively; a potato block lifting conveyor is mounted at the rear part of the main frame; the speed changing box is connected with the cage type potato-soil separator through a universal joint transmission shaft; the discharge end of the potato-soil lifter is connected with the feeding end of the cage type potato-soil separator; the discharge end of the cage type potato-soil separator is connected with the feeding end of the potato block lifting conveyor; and the discharge end of the potato block lifting conveyor is arranged above the mouth part of the potato collecting box. The potato combined harvester is convenient for operation so that the operation efficiency of potato harvesting is greatly improved.