16results about How to "Increase growth rate" patented technology

The method for preparing an amorphous silicon thin film according to the present invention includes: placing a substrate in a vacuum chamber; controlling the pressure in the vacuum chamber at a predetermined value and performing surface treatment on the substrate; and introducing silane gas and a rarefied gas into the vacuum chamber, heating the substrate, and depositing an amorphous silicon thin film on the substrate using silane gas ions. This method is characterized by low manufacturing difficulty, simple process, and low cost, while improving the growth rate and uniformity of the thin film, making the manufacturing process more stable and controllable, and resulting in a more uniform, dense, and stable amorphous silicon thin film.

The application discloses a kind of biological reaction devices of plant tissue, comprising, culture device, for the culture of plant tissue, the outer wall of the culture device is provided with detection device, for detecting the parameter and / or sampling of culture solution in the culture device;Heat transfer structure, for the temperature control of the culture device, the heat transfer structure has notch, the detection device is arranged on the outer wall of the culture device in the notch.The plant tissue is cultured by the culture device in the application, the temperature in the device is kept stable by heat transfer structure, prevent the influence caused by external temperature to the environment in the device.And detection device is arranged on the outer wall of the culture device in the notch of heat transfer structure, can avoid the damage or heat loss of heat transfer structure caused by detection device passing through heat transfer structure, ensure the integrity of heat transfer structure, make temperature keep stable, plant tissue better growth.

This invention is a divisional application of Chinese invention patent application No. 202310608706.5, filed on May 28, 2023, entitled "Slow-Release Hydrogen Production Material Containing Nano-Silicon and Its Application in Aquatic Ecosystem Restoration". This invention discloses a slow-release hydrogen production material containing nano-silicon and its preparation method, belonging to the field of environmental protection technology. The invention involves sterilizing a 2-5% sodium alginate solution, cooling it to room temperature, adding 0.3-0.5% wt of nano-silicon to the sodium alginate solution, and stirring at 500-600 r / min at room temperature for 30-60 min to obtain a nano-silicon sodium alginate solution. The prepared nano-silicon sodium alginate solution is then added dropwise at a volume ratio of (1-5):1 to a 2-5% CaCl2 solution at a rate of 1 drop / second, and allowed to stand for 5-10 min to obtain the final product. The layered structure of this material allows the nano-silicon material to be uniformly distributed and stably produce hydrogen within the sphere.

The utility model relates to the technical field of silicon carbide single crystal growth, in particular to a crucible device for silicon carbide single crystal growth, which comprises a crucible body, a crucible cover buckled on the crucible body, a porous graphite plate arranged in the crucible body, a porous graphite cylinder and a heating component arranged on the peripheral side of the crucible body, the porous graphite cylinder and the crucible body are coaxially arranged; a partition plate assembly is arranged at the upper end of the porous graphite cylinder; the porous graphite plate is placed above the porous graphite cylinder; a small graphite crucible is also arranged in the crucible body; and a crystal form stabilizer is accommodated in the small graphite crucible. The small graphite crucible is arranged and used for containing the crystal form stabilizer, and the porous graphite cylinder and the porous graphite plate are combined to filter gas components generated by sublimation, so that impurity particle inclusions and carbon inclusions in silicon carbide single crystals can be reduced, crystal form transformation can be inhibited, and single-crystal-form silicon carbide crystal ingots grow; and the quality of the silicon carbide single crystal is improved.

This invention discloses a method for preparing bio-organic fertilizer that reduces the incidence of tobacco root-knot nematodes. The bio-organic fertilizer consists of a fermentation substrate, microbial inoculant, and earthworm castings in a mass ratio of 10:0.2-0.4:2-3. The invention uses Bacillus subtilis, Trichoderma harzianum, and Bacillus mucilaginosus in a mass ratio of 15-25:8-13:30-40 to prepare the microbial inoculant. The fermentation substrate and microbial inoculant are mixed and fermented. The fermentation substrate includes cow dung, wheat bran, straw, and earthworm castings. The bio-organic fertilizer of this invention can reduce the incidence of tobacco root-knot nematodes and also promotes tobacco root growth and increases tobacco leaf yield.

The utility model relates to a kind of partition type continuous breeding mechanism and its breeding system, including automatic in-out material mechanism, breeding layer and environmental control mechanism;The side plate and two automatic doors with the automatic in-out material mechanism contact, form breeding space, the breeding space is divided into at least two breeding areas, each described breeding area is provided with environmental control mechanism, and at least one described breeding area is provided with material loosening mechanism;At least one described breeding area is provided with automatic door in both ends.The utility model breaks the traditional overall one-time feeding breeding mode, divides breeding space into several breeding areas, for different needs of insects and plants in different growth stages to environment and material, each breeding area can be respectively accurately controlled, to provide more suitable growth conditions for insects and plants, shorten breeding cycle, improve the growth speed and quality of insects and plants.

The application discloses a method for epitaxially growing an alpha-Ga2O3 film based on a tert-butyl alcohol precursor under normal pressure by MOCVD, and comprises the following steps: cleaning a substrate, placing the cleaned substrate on a reaction chamber base of a metal organic chemical vapor deposition (MOCVD) device, introducing nitrogen into the reaction chamber, adjusting the air pressure of the reaction chamber to normal pressure, performing high-temperature pretreatment on the substrate in the reaction chamber, wherein the high-temperature pretreatment is performed at 1000-1200 DEG C for 15-30 min, cooling the substrate to 570-630 DEG C, taking triethyl gallium as a gallium source precursor and taking tert-butyl alcohol as an oxygen source precursor, and growing an alpha-Ga2O3 film sample on the substrate, and cooling the alpha-Ga2O3 film sample to room temperature while introducing nitrogen to obtain an alpha-Ga2O3 film. The method can be used to prepare a high-quality, high-speed-grown pure-phase metastable alpha-Ga2O3 film.

A spine internal fixing device with a fusion function comprises a pedicle screw, the pedicle screw comprises a screw body, a screw tail is arranged at the upper end of the screw body, a nut is connected to the screw tail through internal threads, the screw body and the screw tail are of a honeycomb structure simulating cancellous bone, and solid external threads are arranged on the outer surface of the screw body. According to the spinal internal fixation device with the fusion function, a full-assembly simulation cancellous bone honeycomb structure of a pedicle screw rod nut and a matched connecting piece is prepared by adopting a 3D printing technology, and meanwhile, solid structures of key stress parts such as an external thread tip threaded connection surface are reserved so as to guarantee early mechanical fixation strength; after the components are assembled, a continuous bone ingrowth channel is formed, so that the transformation of internal fixation of the spine from temporary mechanical support to permanent osseous fusion is realized, and various intervertebral, intervertebral, posterior lateral and transverse process bone grafting fusion steps in a traditional spine fusion operation can be omitted.

This invention relates to the field of agricultural production technology, providing a chitosan-MOFs composite material, its preparation method, and its applications. The raw materials for the chitosan-MOFs composite material include plant growth regulators, MOFs, and chitosan; the plant growth regulators include naphthaleneacetic acid and tryptophan; the chitosan-MOFs composite material includes NT@CS@UZ(s) and NT@CS@UZ(b). This invention successfully prepared a chitosan-MOFs composite material with both sponge and microsphere morphologies, exhibiting dual adsorption-controlled release functions. In the environment, this composite material can efficiently adsorb aluminum ions while intelligently controlling the release of plant growth regulators. The innovative, recyclable technology provided by this invention can significantly improve plant growth rate and yield while reducing usage costs. Based on the adsorption-controlled release dual function of this composite material, its application in other fields is expected to expand.

The application discloses an algae feed preparation device for shrimp fry opening, and belongs to the technical field of feed preparation equipment, which is used for providing an algae feed preparation device for shrimp fry opening, which can improve economic benefits of breeding, and comprises a circulating device, a cleaning device and a refining device. The cleaning device comprises a pair of pool walls, the top of the cleaning device is open, and the two pool walls are rotationally connected with a low roller shaft, a high roller shaft, an upper roller shaft and a lower roller shaft. The shaft lines of the low roller shaft, the high roller shaft, the upper roller shaft and the lower roller shaft are parallel, and the conveying belt is provided with dense through holes. The pool bottom is arranged between the two pool walls, the circulating device comprises a water storage pool, the top of the water storage pool is provided with a communicating pump body, and the side surface is provided with a communicating filter. The application continuously provides the disinfecting cleaning liquid for the cleaning device through the design of the circulating device, sterilizes and disinfects the algae raw materials, washes away the mud and sand adhered to the surface of the algae raw materials, improves the edible safety of the algae feed, reduces the mortality rate of the shrimp fry, and improves the breeding benefits.

The utility model relates to the technical field of slope greening protection, and disclose a kind of slope greening protection structure, including slope, and protection assembly and irrigation subassembly are arranged on the slope upper side;Irrigation subassembly is located above protection assembly, and the protection assembly includes the first galvanized iron wire, second galvanized iron wire, third galvanized iron wire and fourth galvanized iron wire located above slope.The grid structure formed by the first galvanized iron wire, second galvanized iron wire, third galvanized iron wire and fourth galvanized iron wire reduces the slope maintenance requirement due to wind and rain erosion, and the fixing mode of pressing plate and ground nail, effectively enhances the stability of slope, prevents rock collapse and slope instability, and the use of planting bag makes vegetation recovery more direct and efficient, and the substrate ratio garden soil in planting bag provides a good soil environment for vegetation growth, so as to not only realize the stability of slope, but also improve the ecological and landscape value of slope through the planting of vegetation.

This application discloses a floating marine production platform, comprising: a main floating platform; a fisheries system, located on top of a pontoon, including a vertically spaced base and frame connected by a retractable drive column, with a mesh component inside the frame that moves synchronously with the frame; a wave energy capture system, including several energy capture modules evenly arranged along the circumference of the pontoon; a tidal energy capture system, including a turbine located at the bottom of the wave energy capture system; an energy management and storage system, located in a containment cavity, which rectifies and stabilizes the AC power generated by the wave and tidal energy capture systems and feeds it into a DC bus connected to a lithium-ion battery pack; and a collaborative control system that dynamically adjusts the energy storage charging and discharging strategy, calculates the optimal aquaculture depth, and provides feedback to drive the column to move synchronously. This application, through multi-system collaborative design, achieves an organic integration of marine energy development and aquaculture, significantly improving the efficiency of the production platform.

The application belongs to the technical field of functional materials and food safety, and particularly relates to a nano iron / titanium dioxide / cyclodextrin metal organic framework composite as well as a preparation method and application thereof. The gamma-cyclodextrin and alkali liquor are mixed in water to obtain a crystallization mother liquor of the cyclodextrin metal organic framework; then the nano ferroferric oxide and nano titanium dioxide are added into the crystallization mother liquor of the cyclodextrin metal organic framework, and ultrasonic mixing is performed to obtain a nano iron / titanium dioxide / cyclodextrin / potassium hydroxide composite solution; and then filtering and growth culturing are sequentially performed to obtain the nano iron / titanium dioxide / cyclodextrin metal organic framework composite. The nano iron / titanium dioxide / cyclodextrin metal organic framework composite exhibits significantly enhanced crystal growth kinetics characteristics, exhibits excellent renewable performance, and can be recycled through simple centrifugal separation, thereby overcoming the technical defects of the cyclodextrin metal organic framework material in the prior art.

The utility model relates to the technical field of seeding machines, and discloses a seeding machine with a ditching structure, which comprises a seeding machine main body, four wheels are uniformly arranged at the lower end of the seeding machine main body, a push handle is fixedly arranged at the left end of the seeding machine main body, and a seeding mechanism is arranged on the outer side of the seeding machine main body. A ditching mechanism is arranged in the seeding mechanism, and the seeding mechanism comprises a seeding part and an adjusting part. The first hydraulic cylinder drives the lifting seat to ascend and descend, the lifting seat drives the hinge rods to deflect when ascending and descending, the front and rear hinge rods can drive the front and rear driving frames to get close to each other or get away from each other in the deflection process, and then the distance between the front and rear driving frames and the front and rear ditching seats is adjusted; the furrowing distance between the adjacent furrows is adjusted, and the proper row spacing can ensure that the crops have enough space to obtain sunlight, moisture and nutrients in the growth process, so that the growth rate and the yield of the crops are improved.

This invention discloses a high DC superposition performance iron-silicon-aluminum soft magnetic alloy, its preparation method, and its applications. Belonging to the field of soft magnetic metal materials technology, the raw materials used are silicon 3-6 wt.%, aluminum 3-5 wt.%, nickel 1-3 wt.%, cobalt 0.5-1 wt.%, with the balance being iron, totaling 100 wt.%. During vacuum refining, a mixed rare earth alloy of 0.2 wt.% of the total silicon, aluminum, nickel, cobalt, and iron, and 0.5 wt.% carbon flakes are added. The novel iron-silicon-aluminum metal powder prepared by this invention can significantly improve the DC superposition performance of iron-silicon-aluminum magnetic powder core products, meeting the requirements of magnetic components to withstand large currents and high power. It can be used in power electronic components such as inverter inductors, energy storage inductors, and power correction factor inductors.

This utility model relates to the field of marine aquaculture technology and discloses a marine aquaculture feed spreader, including an adjusting box. A feed cylinder is fixedly connected to the top of the adjusting box, and the bottom of the feed cylinder extends into the adjusting box. A fixing plate is fixedly connected to the bottom of the feed cylinder. A feed inlet is opened on the top of the fixing plate, and a limiting groove is opened at the bottom of the fixing plate near the feed inlet. A rotating disk is movably connected to the bottom of the inner wall of the adjusting box. Two oblique limiting grooves are opened on the top of the rotating disk in an annular arrangement. A baffle is slidably connected to the top of the inner wall of the limiting groove, and one end of the baffle is inserted into one side of the inner wall of the oblique limiting groove. Through the cooperation of the above structures, this device achieves precise adjustment of the feed output, which can flexibly control the feeding amount according to the aquaculture needs. At the same time, it can adapt to complex aquatic environments, ensure the accuracy and stability of the spreading position, and optimize the spreading effect, so that the feed evenly covers the aquaculture area, improving the efficiency and quality of marine aquaculture and making it more practical.