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157 results about "Moisture supply" patented technology

Solid Electrolytic Capacitor for Use in High Voltage and High Temperature Applications

A capacitor assembly for use in high voltage and high temperature environments is provided. More particularly, the capacitor assembly includes a solid electrolytic capacitor element containing an anode body, a dielectric overlying the anode, and a solid electrolyte overlying the dielectric. To help facilitate the use of the capacitor assembly in high voltage applications, it is generally desired that the solid electrolyte is formed from a dispersion of preformed conductive polymer particles. In this manner, the electrolyte may remain generally free of high energy radicals (e.g., Fe2+ or Fe3+ ions) that can lead to dielectric degradation, particularly at relatively high voltages (e.g., above about 60 volts). Furthermore, to help protect the stability of the solid electrolyte at high temperatures, the capacitor element is enclosed and hermetically sealed within a housing in the presence of a gaseous atmosphere that contains an inert gas. It is believed that the housing and inert gas atmosphere are capable of limiting the amount of oxygen and moisture supplied to the conductive polymer of the capacitor. In this manner, the solid electrolyte is less likely to undergo a reaction in high temperature environments, thus increasing the thermal stability of the capacitor assembly. In addition to functioning well in both high voltage and high temperature environments, the capacitor assembly of the present invention may also exhibit a high volumetric efficiency.
Owner:KYOCERA AVX COMPONENTS CORP

Sweet potato cultivation method in hills and mountains

The invention discloses a sweet potato cultivation method in hills and mountains, comprising the following steps of: A, selecting variety; B, raising seedlings: the seeding time is in March, the seeded potatoes are oblique in rows with head up and tail down, plant ash is covered after seeding, fine soil is covered, dual gold herbicide and glyphosate are sprayed on the ridges, and mulching film is coated; C, planting: considering that the blocks in hills and mountains have different sizes, micro-ridge single-row planting is adopted, the planting time of spring potato is in April, the planting time of summer potato is in May, the head and the middle of seedlings are cut, oblique planting is adopted, soil is covered, and moisture supply is maintained after planting; D, applying fertilizer: sweet potato is potassium-liking crop and the applied fertilizer is mainly organic fertilizer; and E, intertilling, weeding and earthing up: intertilling has the effect on breathing and is performed after planting, the depth becomes shallow, and weeding and earthing up are combined with intertilling. The method is easy and simple to operate, adopts micro-ridge single-row planting, efficiently uses the soil, causes the seedbed to be insulated, prompts the potato tubers to sprout quickly and abundantly, simultaneously can inhibit occurrence of black spot, and increases the yield by 20-30%.
Owner:湖南省作物研究所

Water-fertilizer integrated irrigation system control method and water-fertilizer integrated irrigation system

InactiveCN110692338AAvoiding Fertigation Decision-Making ProblemsFertigation real-timeImage enhancementImage analysisAgricultural scienceAgricultural engineering
The invention relates to the technical field of agricultural production and provides a water-fertilizer integrated irrigation system control method and a water-fertilizer integrated irrigation system.The control method includes steps: S1, acquiring crop image information, soil information of a crop growth area and meteorological environment information of the crop growth area, and analyzing moisture supply conditions, fertilizer supply conditions and growth and development stages of crops on the basis of a ResNet-101 deep network model; step S2, controlling operation of a water-fertilizer integrated irrigation device on the basis of the moisture supply conditions, the fertilizer supply conditions and the growth and development stages. The control method has advantages that automatic, accurate and real-time determination of the moisture supply conditions, the fertilizer supply conditions and the growth and development stages of the crops can be realized aiming at different crops, and accordingly irrigation and fertilization as needed can be realized aiming at different crops, the problem of traditional experience based irrigation and fertilization decision making is effectively avoided, and real-time irrigation and fertilization as required can be realized.
Owner:BEIJING RES CENT OF INTELLIGENT EQUIP FOR AGRI

Grass planting system based on soilless culture

The invention discloses a grass planting system based on soilless culture. The system comprises an incubator body which can be sealed manually, a temperature control unit, an illumination control unit, a moisture control unit and a central control unit, wherein the incubator body is internally provided with a grass culture unit, the temperature control unit is used for controlling and regulating the ambient temperature in the incubator body, the illumination control unit is used for controlling and regulating the illumination supply in the incubator body, the moisture control unit is used for controlling and regulating the moisture supply in the incubator body, and the central control unit is respectively connected with the temperature control unit, the illumination control unit and the moisture control unit electrically and is used for jointly controlling the temperature control unit, the illumination control unit and the moisture control unit. The system can be used for automatically controlling the growth environment of grass, the growth of grass is completely isolated from the external environment and is not influenced by the external environment, the automation degree of the planting system is improved greatly, the growth time of grass is shortened greatly, the culture efficiency is improved, and the yield of grass is large.
Owner:李润溪

Moisture measurement method and device of vertical section of farmland soil

ActiveCN105758901ARealize precise perceptionStrong spatial integrityMaterial capacitanceLow noiseMeasurement device
The invention discloses a moisture measurement method and device of a vertical section of farmland soil. The device is characterized by comprising a mounting pipe sleeve, a hollow cylindrical electrode, an insulating pipe column, a base band coaxial cable, a liquid-phase hollow water column, a resisting plate and a core processor; the moisture measurement device of the vertical section of the soil is controlled by a voltage-controlled oscillator to generate a high-frequency oscillation signal; a low-frequency square wave signal is obtained through silicon epitaxy high-frequency and low-noise amplitude amplification, and shaping and frequency division of a dual-modulus prescaler; accurate sensing of the volume moisture content of the soil is realized through a mathematical model between the frequency and the volume moisture content of the soil. A cylindrical stereoscopic type multilayered structure is adopted, and a moisture dynamic determination fitting and quantitative inversion technology of the vertical section of the farmland oil is integrated, so that the volume moisture convent of different heights of the vertical section of the farmland oil and the moisture supply amount of the soil of the vertical section are dynamically sensed in real time by utilizing the fewest layers; the moisture measurement method and device has the greatest advantages that the moisture condition of the vertical section of the soil can be continuously sensed in real time, the space integrity is strong and real-time calibration can be realized.
Owner:NANJING AGRICULTURAL UNIVERSITY

Precise management method of moisture in tillering stage of rice plant after wheat straws are returned to field

The invention belongs to the field of agricultural technology, and relates to precise irrigation in the tillering stage of rice plants after wheat straws returned to field, in particular to a precise management method of moisture in the tillering stage of rice plants after wheat straws are returned to the field. The management method of moisture in the tillering stage of rice plants after wheat straws are returned to the field determines irrigation indexes according to corresponding quantity of the wheat straws returned to the field and soil types, and comprises the following steps that (1) a soil slight falling dry irrigation method is adopted under the condition that the quantity of the wheat straws returned to the field is in a range of 3-3.5t hm-2, and (2) a soil medium falling dry method is adopted under the condition that the quantity of the wheat straws returned to the field is in a range of 6-7t hm-2. The management method of moisture in the tillering stage of rice plants after wheat straws are returned to the field enables moisture supply and moisture required by growth of the rice plants to be consistent and solves the problems that the rice field is high restoring capacity and rice seedlings do not sprout after straws are returned to the field.
Owner:YANGZHOU UNIV
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