9 results about "Growth time" patented technology

The invention discloses a method for preparing a single-layer tungsten diselenide nanoband based on a space confinement strategy. By changing the flow and the growth time of hydrogen, effective control on the width and the thickness of a nanoband can be realized. The method comprises the following steps: uniformly spraying tungsten trioxide powder to one substrate, then covering the substrate by the other substrate, and forming micro reaction space which is of a 'sandwich'-like structure. Growth of a tungsten diselenide nanoband is carried out by utilizing a constant-pressure chemical vapor deposition method; physicochemical characteristics of a one-dimensional transition metal chalcogenide strongly depend on suspension key types on the edge of the one-dimensional transition metal chalcogenide, metallic properties are displayed by an ultranarrow band, and conversion from the metallic properties to semiconductor properties can be displayed from the edge to the center of a wider band; the tungsten diselenide nanoband is widely applied to micro-nano photoelectric devices due to the special property; industrial production of the tungsten diselenide nanoband can be realized through an experimental method of the invention.

The invention relates to the field of semiconductor growth, and discloses a material growth temperature optimization method, device, equipment, program product and system, and the method comprises the steps: obtaining a preset growth temperature curve of a target material; at the at least one target growth time node, irradiating the target material growing on the substrate by using an electron beam to form a starting point of the defect in the target material; when the growth of the target material is finished, information of the defect corresponding to the target growth time node is obtained, and the information comprises the size and the shape of the defect; based on the information of the defect, the state of the set temperature corresponding to the target growth time node is determined, and the state comprises the high set temperature and the low set temperature; and based on the state, adjusting a set temperature corresponding to the target growth time node until the temperature of the growth surface of the target material on the substrate is stabilized at the target growth temperature. The problems that existing non-contact temperature control measurement is poor in repeatability and surface temperature judgment is not direct enough can be solved.

This invention relates to the field of fungal strain cultivation technology, and particularly to a method for isolating and cultivating fungal strains from matsutake fruiting bodies. The method involves collecting matsutake mushrooms that are 70%–80% mature and free from insects, disinfecting them with alcohol, longitudinally splitting them in half, removing the flesh from the cap and stipe, and inoculating them onto a slant culture medium to obtain a primary strain. This primary strain is then inoculated into a culture medium and shaken to obtain a primary shake flask strain, which is then inoculated into a culture medium. The strain is then shaken and cultured, and the concentration of metabolites, dissolved oxygen, and pH in the culture medium are collected in real time to construct a strain growth time prediction model to predict the stage culture duration. The cell proliferation trend is determined based on the number of matsutake mycelial cells. Based on a comparison of the actual culture time during the initial adjustment period and the stage culture time, the adjustment method for the logarithmic growth phase of the current batch is determined. Based on a comparison of the shake flask culture time and the predicted culture time, the adjustment method for the initial culture conditions of the next batch is determined. This invention effectively optimizes shake flask culture conditions and improves strain quality.

The present application relates to economic crops planting technical field, disclose a kind of selection and breeding method of green pricklyash tree fruiting branch, the method is to select the new shoot of green pricklyash tree in fruit swelling stage as the fruiting branch of next year, and cooperate pruning, fertilization and the multiple action of plant growth regulator composition, stimulate the formation of latent bud, latent bud germination in fruit swelling stage, increase the number of new shoots, promote the growth of new shoots, so as to ensure that the number of new shoots is greater than the required number of fruiting branch, and the length of new shoot aging branch reaches more than 100 centimeters of the demand of high yield.The selection and breeding method provided by the present application selects the new shoot of green pricklyash tree in fruit swelling stage as the fruiting branch of next year, the growth time of new shoot is more than 150 days and the water and heat is sufficient in growth period, compared with the growth time of new shoot in water and heat sufficient area, the growth time is longer, and it is easier to age into flower;And the method is not limited by water and heat conditions, suitable for application and popularization in many areas.

The utility model discloses a fruit tree branch growth correcting device, and relates to the technical field of agriculture. The fruit tree branch growth correcting device comprises two fixing units which are hinged to each other, and an adjustable elastic correcting piece is installed between the two fixing units. The adjustable elastic force correcting piece comprises a sleeve and a top shaft movably inserted into one end of the sleeve, a correcting spring is arranged in the sleeve, a sliding seat is arranged at the end, opposite to the top shaft, of the sleeve, and the sliding seat slides on the fixing unit. According to the fruit tree branch growth correcting device, the two attaching strips are bound to the two ends of the bent portion of a fruit tree branch through the binding pieces, the adjusting lead screw is rotated, the correcting spring is compressed, under the elastic force effect of the correcting spring, the branch always has the growth correcting trend opposite to the bending direction within the backward growth time, and therefore the branch growth correcting effect is improved. Therefore, the branches are assisted to be corrected for a long time, branch breakage caused by one-time straightening is avoided, and meanwhile multiple times of adjustment in the correction period is not needed.

The present application relates to the technical field of flower phenotype analysis, and particularly relates to a field fresh flower intelligent grading and labeling method and system, three-dimensional images are generated by fusing two-dimensional and depth images collected synchronously, a shape contour is extracted through an instance segmentation network, a crown, a stem and a leaf feature map are segmented and output, and corresponding shape, size and appearance parameters are calculated, then a spatial offset of a crown barycenter and a stem axis is calculated, and the spatial offset is combined with the aforementioned parameters to construct a comprehensive growth feature vector, then a current quality grade is determined based on weighted summation of breed evaluation weights, meanwhile, the vector is combined with a historical sequence to fit a growth trajectory, a dynamic growth evolution model is constructed, and a remaining growth time is obtained, finally, the quality grade and the remaining time are encoded, and are mapped to a perspective projection position corresponding to a two-dimensional image to generate a grading and labeling image. The present application combines static calculation with dynamic deduction, and realizes visual and intuitive labeling of fresh flower states.

The application discloses a sugarcane uniform seedling control tillering high-yield and high-sugar planting method, and at least comprises the following steps: seed stalk preparation and cutting, uniform seedling cultivation, tillering quantity control, seedling hardening and transplanting. The method can reduce the seed stalk input, improve the uniformity of sugarcane seedlings, realize quantitative density planting, avoid the uneven emergence leading to the lack of pond and broken ridge, reduce the carried pathogen source, reduce the field pesticide input, reduce the long sugarcane field growth period, increase the sugarcane growth time, and increase the sugarcane yield and sugar content.

This application relates to the field of materials growth and discloses an epitaxial layer and a method for controlling its growth. The method includes: growing a gallium oxide film on the surface of a substrate and acquiring a reflective high-energy electron diffraction (HEED) image of the gallium oxide film in real time; determining the HEED intensity based on the HEED image and determining the relationship between the HEED intensity and the growth time of the gallium oxide film; comparing the relationship with a standard relationship between the HEED intensity and growth time during gallium oxide monolayer growth to determine the growth mode of the gallium oxide film. The method of this application does not rely on human experience for judgment and can accurately determine whether the gallium oxide film is grown as a monolayer, thus obtaining a gallium oxide film grown as a monolayer.

This invention discloses a five-model growth calculation method and ecological restoration system for an ecosystem based on a unified photothermal-electric energy system, relating to the field of ecological restoration technology. The system comprises five sequentially connected and mutually coupled sub-models: a gene intrinsic layer sub-model for detecting the photothermal conductivity, absorbed heat energy, and growth time of plant genes, and calculating the growth volume of a single plant; a temporal dynamic layer sub-model for real-time detection of environmental photothermal supply, combined with phenological rhythm coefficients to calculate real-time growth potential; a vertical structure layer sub-model for detecting the growth potential and trophic level transfer efficiency of each layer of the community, and calculating the community structure efficiency; a holographic energy balance layer sub-model for detecting the total solar heat energy input and performing energy conservation balance verification; and a steady-state determination layer sub-model for calculating the ecological restoration steady-state index and determining the completion of ecological restoration when a preset threshold is reached. This invention achieves precise restoration and quantifiable determination of ecosystems, applicable to the ecological restoration of forests, wetlands, deserts, grasslands, etc.