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49results about How to "Consistent growth rate" patented technology

Preparation method for silicon nitride film, solar cell with silicon nitride film and preparation method for solar cell

The invention discloses a preparation method for a silicon nitride film, a solar cell with the silicon nitride film and a preparation method for the solar cell. The preparation method for the silicon nitride film includes following steps: S1, placing a silicon wafer into a tubular furnace; S2, feeding nitrogen into the tubular furnace, heating the tubular furnace under the atmosphere of nitrogen to 340 DEG C to 360 DEG C, and maintaining the temperature for 500 seconds to 2000 seconds; and S3, utilizing the PECVD (plasma enhanced chemical vapor deposition) method to sequentially form a first silicon nitride film layer and a second silicon nitride film layer on the silicon wafer. The first silicon nitride film layer is arranged on the silicon wafer before the temperature of the tubular furnace is maintained, so that temperatures around and in the middle of the silicon wafer are uniform after the step of temperature maintaining of the silicon wafer, growth rate of the silicon nitride film around and in the middle of the silicon wafer is guaranteed, overhigh growth rate caused by higher temperature at the edge of the silicon wafer is improved, the problem of color deviation caused by different thicknesses and refractive indexes of the silicon nitride film at various positions on the surface of the silicon wafer is solved, grade of the silicon wafer is lowered, and acceptance rate of the silicon wafer is improved.
Owner:YINGLI ENERGY CHINA

Portable landscape plant culture box

The invention discloses a portable landscape plant culture box. The culture box comprises a box body, a placing frame is arranged in the middle of the inner wall of the box body, and symmetric shock absorption wheels are fixedly connected to two sides of the bottom of the placing frame; a limit base plate is fixedly connected to the bottom of the inner wall of the box body, the shock absorption wheels are connected to the top of the limit base plate in a sliding mode, and a limit sliding groove which is matched with the shock absorption wheels is formed in the top of the limit base plate; a reciprocating motion device is fixedly connected to the center of the top of the box body, the bottom of the reciprocating motion device penetrates through the box body and extends into the box body, a first fixed outer frame is fixedly connected to the bottom of the reciprocating motion device, and a partition board is fixedly connected to the middle of the inner wall of the first fixed outer frame. The invention relates to the technical field of landscape plant culture. The portable landscape plant culture box solves the problems that an existing portable landscape plant culture box is relatively single, low in mobility, laboursome in pot changing and insufficient in reutilization, and achieves the aims of even spraying and even illumination.
Owner:HEFEI YUANYIN AGRI SCI & TECH CO LTD

Intelligent light supplementing device for seedling raising

The invention relates to the technical field of agricultural seedling raising, in particular to an intelligent light supplementing device for seedling raising, which comprises a sunlight shielding module and a control module, wherein the sunlight shielding module comprises a rolling blinds machine and a sun-shading film, the rolling blinds machine is fixed at the top of a greenhouse, and is used for rolling up or releasing the sun-shading film; and the control module is used for controlling the rolling blinds machine to perform rolling or releasing actions and recording the current rolling orreleasing state of the sun-shading film. The device further comprises an artificial light source module and a data acquisition module, wherein the artificial light source module comprises a pluralityof light supplementing lamps, and the light supplementing lamps are used for providing artificial illumination; the data acquisition module comprises an indoor acquisition unit used for acquiring internal illumination intensity; the control module is used for acquiring internal illumination intensity; and when the internal light intensity is lower than the first threshold value, the sun-shading film is in a released state, and the control module is further used for controlling the rolling blinds machine to perform rolling action. By adopting the technical scheme, the growth speed of crops canbe ensured to be consistent.
Owner:NINGBO BIGDRAGON AGRI TECH

Boletus aereus cultivating method and boletus aereus

The invention relates to the technical field of edible mushroom cultivation, in particular to a boletus aereus cultivating method and boletus aereus. The boletus aereus cultivating method comprises a bottling step and a mushroom cultivating step; in the bottling step, a culture material is put into a cultivating bottle, wherein the putting height of the culture material is the height from the culture bottle bottom to the bottle shoulder; then the culture material is punctured, and the culture material surface is pressed to be flat, wherein the puncture adopts a spiral puncturing mode; in the mushroom cultivating step, mushroom bottles inoculated in the same batch are stacked at intervals in a culture room, and the stacked mushroom bottles with the same batch are reserved with spacing to make the mushroom bottle with different batches placed mutually adjacently and to form a crossed culture mode; the culture stage is divided into an earlier stage, a middle stage and a later stage. According to the boletus aereus cultivating method, the problem of hypha aging is solved, the capacity is improved, and the production cost is lowered; moreover, the mushroom culture stage is short so that the hypha growth speed can be uniform in the mushroom bottles with different time and inoculation batches in the same culture room.
Owner:JINGHONG HONGZHEN AGRI TECH CO LTD

Light supplement method, device and system for three-dimensional greenhouse seedling-raising

The invention provides a light supplement method, device and system for three-dimensional greenhouse seedling-raising. The method comprises the steps of: obtaining the illumination intensity and distribution of each layer of a three-dimensional greenhouse seedling-raising frame in a current place respectively; according to the preset illumination demands of greenhouse crops to be subjected to light supplement on each layer of the three-dimensional greenhouse seedling-raising frame and the illumination intensity and distribution of each layer of the three-dimensional greenhouse seedling-raising frame, calculating the light supplement intensity required by each layer of the three-dimensional greenhouse seedling-raising frame respectively; and according to the light supplement intensity required by each layer of the three-dimensional greenhouse seedling-raising frame, controlling light supplement lamps to perform light supplement. According to the method, natural illumination can be utilized to the maximum extent while the three-dimensional greenhouse space is fully utilized, the number of light supplement lamps and the energy consumption for light supplement during three-dimensional seedling-raising are reduced, and the seedling quality and the growth speed of each seedling-raising layer can be ensured to be consistent; the method has the advantages that the energy consumption is reduced and the lamp hardware input and the operation costs during the three-dimensional greenhouse seedling-raising are reduced.
Owner:ACADEMY OF PLANNING & DESIGNING OF THE MINIST OF AGRI

Cultivation method for tea seedling

The invention provides a cultivation method for tea seedlings. The method comprises the following steps: arranging a seedling land which has been performed by deep ploughing and disinfection and pest removing to a plurality of seedbeds, crushing and paving soil residue on the surface layers of the seedbeds, taking soil from the treated seedling land, adding water in the soil and mixing to form slurry in certain concentration, dipping roots of tea branches into the slurry, inserting the roots of tea branches into the seedbeds, line spacing of the tea branch cuttage being 1.2-1.5 cm, row spacing being 0.3-0.5 cm, depth of cuttage being 8-12 cm; watering the tea branches which are inserted in the seedbeds to permeate to the roots, after watering, soil going down, and then covering the soil by fine earth, after 35-45 days of tea seedling growth, watering every other day, trimming the seedlings when growth of the tea seedlings is about to horizontally close, to make height of the tea seedlings on the seedbeds parallel and level, after the tea seedlings grow to 180-200 days, and exercising the tea seedlings for 90 days, and after 35-45 days of continuous growth, the tea seedlings outplanting. The method solves problems that existing tea seedlings are low in survival rate, and growth conditions are irregular.
Owner:HEFEI YINUO BIOTECH

Method for culturing tea seedlings

InactiveCN104429434AHigh standard rateEliminate harmful microorganisms and bacteriaCultivating equipmentsHorticulture methodsPloughAgroforestry
The invention discloses a method for culturing tea seedlings and relates to the technical field of tea planting. The method comprises the following steps that A, a seedling land is ridged and arranged into multiple seedling beds after deep plough, disinfection and insect killing treatment, and soil on the surface of the seedling beds is smashed and raked; B, the seedling beds are wetted, and cuttage is conducted on the seedling bed with tea branches, wherein the line space of cuttage of the tea branches ranges from 1 cm to 1.5 cm, and the tea branch space ranges from 0.3 cm to 0.4 cm; C, after the tea seedlings grow for 40 to 50 days, the tea seedlings are watered every two to three days; D, when the tea seedlings grow to be about to reach horizontal closure, trimming is conducted to make the heights of all the tea seedlings on the seedling beds identical; E, after the tea seedlings grow for 200 to 250 days, the tea seedlings are acclimatized for 90 days; F, after the acclimatized tea seedlings continue growing for 40 to 50 days, the tea seedlings can transplanted out of the seedling beds. Compared with the prior art, the method for culturing the tea seedlings can solve the problems that existing tea seedlings are low in qualified seedling percentage and high in culturing cost.
Owner:LUZHAI COUNTY DALELING TEA

Monitoring method and monitoring equipment for monocrystal diamond growth process

The invention provides a monitoring method and monitoring equipment for a monocrystal diamond growth process. The monitoring method comprises the following steps: 1, before the growth of the monocrystal diamond: moving thickness monitoring equipment to measure the optical thickness on the surface of a monocrystal diamond seed crystal to obtain initial thickness and position data corresponding to each detection position on the surface of the monocrystal diamond; and 2, in the growth process of the monocrystal diamond: moving the thickness monitoring equipment to perform optical thickness measurement on the surface of the monocrystal diamond to obtain thickness and position data corresponding to each detection position on the surface of the monocrystal diamond in the growth process. The monitoring equipment comprises the thickness monitoring equipment. The thickness monitoring equipment comprises a thickness monitoring part and an objective lens; the thickness monitoring part is connected with the objective lens and a mobile platform and used for obtaining thickness and position data corresponding to each detection position on the surface of the monocrystal diamond. According to themonitoring method and equipment, the thickness of the monocrystal diamond can be monitored in real time, and whether production needs to be stopped or not can be determined once obvious changes can beobserved locally in the height direction.
Owner:CR GEMS SUPERABRASIVES

Planting bed composite structure for high-density indoor planting

InactiveCN103749186ASame growth rate and sizeReduce residual nutrientsReceptacle cultivationNutrientWater circulation
The invention discloses a planting bed composite structure for high-density indoor planting. The planting bed composite structure for high-density indoor planting comprises a planting slot body and a planting floating plate, wherein the sinuous S-shaped structure of a diversion trench is utilized and connected with a filling hole and an overflow hole, simultaneously planting holes are sequentially arranged along the extending direction of the diversion trench, the height of the filling hole relating to the bottom of the diversion trench is more than the height of the overflow hole relating to the bottom of the diversion trench, nutrient solution flows along the direction of the diversion trench, when the nutrient solution is continuously filled for a period of time, the nutrient solution can be uniformly distributed below each planting hole, each plant can absorb the nutrient solution and liquid uniformly and sufficiently, so that the plants can be ensured to have accordant growth speed and size, and thus a stable control mode is provided for indoor planting. In each growth period of each plant, the required nutrients are relatively different; according to the design, residual nutrients can be reduced and needless matters are filtered in continuous water circulation mode before the nutrient conversion of each period or before the harvest of edible plants.
Owner:姜威毅

Edible mushroom cultivation method

The invention discloses an edible mushroom cultivation method, and belongs to the technical field of edible mushroom cultivation. The edible mushroom cultivation method comprises the following steps of S1, placing edible mushroom seeds in cultivation bottles, and then placing the cultivation bottles on cultivation baskets; S2, placing the cultivation baskets containing the edible mushroom seeds sequentially on a multi-layer cultivation frame in a cultivation room through a racking machine; S3, controlling the growth environment of edible mushrooms, and observing the growth condition of the edible mushrooms; S4, exchanging the inner row of baskets on mushroom frames at the two sides of a roadway in the cultivation room with the outer row of baskets, and exchanging the mushroom baskets on the high layer and the bottom layer of the cultivation frame; and S5, cultivating until the edible mushrooms are mature, and sequentially collecting the edible mushrooms through an off-frame machine. According to the cultivation condition of the edible mushrooms, the edible mushrooms at the outer sides and the inner sides of frame bodies and the edible mushrooms at the upper sides and the lower sides of the frame bodies can be exchanged, so that the growth speed of the edible mushrooms is consistent, the edible mushrooms are mature at the same time and convenient to harvest, the production efficiency is improved, and the utilization rate of a storehouse is improved compared with that of a traditional industry.
Owner:苏州荣世吉自动化设备有限公司

A kind of greening planting method and planting structure of roof greening

The invention discloses a sedum lineare roof greening planting method. The sedum lineare roof greening planting method comprises the following steps: (1) preparing a medium; (2) paving a non-woven fabric on a land, paving soil on the non-woven fabric, applying fertilizers, then scattering the medium, arranging into rectangular pieces, arranging square wood plate frames, and establishing small square cases with the same size in the middle of the square wood plate frames by using net wires; (3) shearing sedum lineare stem seedlings into stems with knots, inserting the stems with knobs in the small square cases, scattering the medium on the stems with knots, enabling the stems with knots to be in a semi-buried and semi-exposed state in the small square cases, moving away the square wood plate frames and the net wires, and cutting a sod into square blocks with the area of 1.0 x 1.2 m<2> after the sod grows; and (4) coating a waterproof coating on a roof, paving geotextiles, flatly paving a mixture of the medium and soil, and paving the sod on the mixture of the medium and the soil, and scattering the medium on the sod in time while paving the sod so as to finish planting of sedum lineare. The invention further discloses a roof greening planting structure which implements the method.
Owner:广州高馨能生物科技有限公司

A planting bed combination structure for high-density indoor planting

The invention discloses a planting bed composite structure for high-density indoor planting. The planting bed composite structure for high-density indoor planting comprises a planting slot body and a planting floating plate, wherein the sinuous S-shaped structure of a diversion trench is utilized and connected with a filling hole and an overflow hole, simultaneously planting holes are sequentially arranged along the extending direction of the diversion trench, the height of the filling hole relating to the bottom of the diversion trench is more than the height of the overflow hole relating to the bottom of the diversion trench, nutrient solution flows along the direction of the diversion trench, when the nutrient solution is continuously filled for a period of time, the nutrient solution can be uniformly distributed below each planting hole, each plant can absorb the nutrient solution and liquid uniformly and sufficiently, so that the plants can be ensured to have accordant growth speed and size, and thus a stable control mode is provided for indoor planting. In each growth period of each plant, the required nutrients are relatively different; according to the design, residual nutrients can be reduced and needless matters are filtered in continuous water circulation mode before the nutrient conversion of each period or before the harvest of edible plants.
Owner:姜威毅

Preparation method for silicon nitride film, solar cell with silicon nitride film and preparation method for solar cell

The invention discloses a preparation method for a silicon nitride film, a solar cell with the silicon nitride film and a preparation method for the solar cell. The preparation method for the silicon nitride film includes following steps: S1, placing a silicon wafer into a tubular furnace; S2, feeding nitrogen into the tubular furnace, heating the tubular furnace under the atmosphere of nitrogen to 340 DEG C to 360 DEG C, and maintaining the temperature for 500 seconds to 2000 seconds; and S3, utilizing the PECVD (plasma enhanced chemical vapor deposition) method to sequentially form a first silicon nitride film layer and a second silicon nitride film layer on the silicon wafer. The first silicon nitride film layer is arranged on the silicon wafer before the temperature of the tubular furnace is maintained, so that temperatures around and in the middle of the silicon wafer are uniform after the step of temperature maintaining of the silicon wafer, growth rate of the silicon nitride film around and in the middle of the silicon wafer is guaranteed, overhigh growth rate caused by higher temperature at the edge of the silicon wafer is improved, the problem of color deviation caused by different thicknesses and refractive indexes of the silicon nitride film at various positions on the surface of the silicon wafer is solved, grade of the silicon wafer is lowered, and acceptance rate of the silicon wafer is improved.
Owner:YINGLI ENERGY CHINA
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