33results about How to "Great harvest" patented technology

The invention discloses an intelligent component optimizer for a solar photovoltaic cell panel and a control method thereof. A controller for the component optimizer in a component optimization system uses a high-performance high-speed DSP (digital signal processor) as a core, and a high-frequency direct-current switching power supply technology is introduced in a distributed photovoltaic power generation system, direct-current conversion topology for voltage increase or voltage reduction can be selected according to a direct-current conversion adjustment margin, and the working mode of the component optimizer can be selected by a control method of observing a pre-stage input voltage, a pre-stage input current, a post-stage output voltage and a post-stage output current in real time, so that the components of the photovoltaic cell panel cannot generate a mismatching phenomenon in the case of any irradiance; simultaneously, each component can have the maximum power output, thus greatly gaining the electric quantity of a photovoltaic cell array, which is lost due to non-uniform irradiance, so that the power generation utilization rate of the whole photovoltaic cell array is optimal. The component optimizer and the control method have good application prospect.

A layered fertilization cultivation method of annual agricultural economic crops comprises steps of soil loosening, disinfection, soil preparation, bait throwing, clay fertilizer application, chemical fertilizer application, organic fertilizer application, soil covering and seedling planting, root protection, watering and the like so as to enable a cultivation base to form a substrate layer (1), a clay fertilizer layer (2), a chemical fertilizer layer (3), an organic fertilizer layer (4), a seedling separation soil layer (5) and a seedling protection soil layer (6) from bottom to top and accordingly the layered fertilization cultivation is achieved. Compared with the existing method that the fertilization is performed after cultivation and green returning of seedlings, the labor is saved, the cultivation is convenient, and the damage to the seedlings when the fertilization is performed later can be avoided; the fertilizer protection is facilitated and the nutrient loss caused by the scattering of the fertilizer due to the rain is avoided; the concentrated supply of the fertilizer is facilitated and the crop growth is facilitated; the fertilization is performed first, then the seedlings are planted, namely that the fertilizer waits for the seedlings, and accordingly fertilizer nutrients can be timely obtained when the seedlings survive and return to green; the growth speed can be improved due to the comprehensive effect of the layered fertilization cultivation method, the healthy growth of the seedlings is achieved, and the harvest is increased.

The invention provides a red-rooted salvia root cultivation method capable of achieving continuous cropping. On the basis of original conventional production and planting, only several simple operations including applying potassium hydroxide and plant ash during soil preparation and applying basic fertilizers during top dressing in a growing period are added to the red-rooted salvia root cultivation method capable of achieving continuous cropping. The red-rooted salvia root cultivation method capable of achieving continuous cropping includes: applying 1-2 kilograms of the potassium hydroxide and 20-40 kilograms of the plant ash per mu; applying 10-15 kilograms of ammonium hydrogen carbonate per mu during primary top dressing in the growing period; and applying 15-25 kilograms of calcium magnesium phosphate per mu during secondary top dressing in the growing period. The red-rooted salvia root cultivation method capable of achieving continuous cropping is simple to implement, small in input and large in harvest, enables red-rooted salvia roots to be capable of being continuously cropped for one year and is capable of effectively preventing the problems of aggravated pest and disease damage, physiological dead seedlings and withered seedlings, underground part growth amount decrease, decrease of the number, diameters and lengths of root systems, lower output, active ingredient content reduction and the like of conventional red-rooted salvia root continuous cropping. Since one-year continuous cropping can be achieved, use ratio of limited land suitable for planting the red-rooted salvia roots is increased in geo-authentic production regions, the plantable area of the red-rooted salvia roots can be multiply increased, and further, total output of the red-rooted salvia roots can be multiply increased, and the quality of red-rooted salvia root medicinal materials is guaranteed.

Provided is a cultivation method for improving continuous cropping yield and active ingredient content of salvia miltiorrhiza. According to the cultivation method, on the basis of original conventional production and plantation, some simple operation of applying potassium hydroxide and calcium magnesium phosphate fertilizer in the soil preparation process and additionally applying alkaline fertilizer and inorganic base in the growth topdressing process are added. In each acre, 1-2 kilograms of potassium hydroxide and 10-20 kilograms of calcium magnesium phosphate fertilizer are used; for the first topdressing in the growing period, 10-15 kilograms of ammonium bicarbonate is used in each acre; for the second topdressing in the growing period, 800-1200 grams of potassium hydroxide is used in each acre. By means of the cultivation method, implementation is simple, input is little, the salvia miltiorrhiza can be continuously cropped for one year, pest and disease damage aggravation caused by traditional continuous cropping of the salvia miltiorrhiza can be effectively prevented, and the problems of physiological seedling death and seedling withering, poor growth of the ground part and the underground part of the survived salvia miltiorrhiza, yield reduction and reduction of the active ingredient content are effectively solved. Because the salvia miltiorrhiza can be continuously cropped for one year through the method, the utilization rate of limited lands suitable for growing the salvia miltiorrhiza in a tunnel region is improved, the plant area of the salvia miltiorrhiza is multiplied, the total yield of the salvia miltiorrhiza is multiplied, and the quality of salvia miltiorrhiza medicinal materials is guaranteed.

The invention discloses a comprehensive utilization process of PTA oxidation residues. The comprehensive utilization process comprises the following steps: S1, esterification; S2, rectification: performing two-stage rectification on the esterification liquid, and performing condensation separation to obtain crude octyl benzoate, crude dioctyl terephthalate and crude trioctyl trimellitate; and S3, removing impurities, wherein in the step S2, after two-stage rectification, kettle residues are incinerated to obtain cobalt salt, manganese salt and bromine salt. According to the invention, while the PTA oxidation residue is used as the raw material to produce the dioctyl terephthalate plasticizer, octyl benzoate and trioctyl trimellitate can be produced, cobalt salt, manganese salt and bromine salt obtained from the second-stage rectifying still residue can be used as industrial production raw materials to be prepared into cobalt salt and manganese salt, so that the yield of a production evaluation line is increased, the utilization efficiency of the raw materials is enhanced, energy is saved, finished product harvest is increased, and benefits are increased.

The invention relates to a high-yield cultivation method for autumn potato by mulching, which includes: seeding an early-maturing variety of corn in mid-May in a wide-and-narrow-row manner, wherein the large row spacing is 80-100cm, and the small row spacing is 30-50cm; soaking potato seeds in 5ppm gibberellin solution for 10 minutes in late July, and stacking the potato seeds in a shade for sprouting; seeding autumn potatoes among wide rows of the corn in mid-August, digging positions 10-15cm away from each corn row to obtain seed furrows, setting potato plant spacing as 20-25cm, and covering with soil after seeding, wherein the potato seeds is 5-7cm high off the land after soil coverage; and harvesting the corn in early September, carrying corn straws out of a field, mechanically covering ridges with soil as high as 6-8cm, covering ridge faces with common polyethylene mulch, and slightly digging out potato seedlings after mulching. Late irrigation and disease control are the same as that of the conventional cultivation method. The high-yield cultivation method is simple in operation and easy in polarization.

The invention discloses a production process for producing a plasticizer from PTA oxidation residues. The production process comprises the following steps: S1, esterification: adding PTA oxidation residues, octanol and a catalyst into an esterification reactor, heating for esterification, and filtering to obtain an esterification liquid; and S2, rectification: carrying out two-stage rectification on the esterification liquid to separate crude octyl benzoate, dioctyl terephthalate and trioctyl trimellitate, and carrying out ester exchange reaction on the separated crude octyl benzoate and mixed polyol, wherein octanol is used as a cooling liquid in the esterification step. According to the invention, while the PTA oxidation residue is used for producing the dioctyl terephthalate plasticizer, octyl benzoate and a small amount of trioctyl trimellitate can be produced, so that the utilization efficiency of the raw materials is enhanced, the energy is saved, the yield of finished products is increased, and the benefit is expanded; and octanol is used as a cooling liquid, and condensation is carried out while esterification is carried out, so that the maintenance cost of condenser equipment is saved, the cooling effect is good, and the conversion heat efficiency is high.

The invention relates to the technical field of medicine and discloses a preparation method of 5-bromine-7-azaindole. The preparation method of the 5-bromine-7-azaindole comprises the following steps:preparing 200 to 500 mg of 2-aminopyridine, 100 to 150 mg of dimethylsulfoxide, 500 to 800 g of sodium carbonate solution, 100 to 200 mg of 7-azaindole, 500 to 700 mg of anhydrous sodium sulfate, 50to 60 mg of N-bromo-succinimide, 20 to 30 mg of ethyl acetate, 600 to 800 mg of bromine, 100 to 300 mg of alcohol solvent and 600 to 800 mg of dihydro-7-azaindole-2-sodium sulfonate, taking 200 to 500mg of 2-aminopyridine and 100 to 200 mg of 7-azaindole by a user, heating for future use, and taking out the heated 200 to 500 mg of 2-aminopyridine and 100 to 200 mg of 7-azaindole. According to thepreparation method of the 5-bromine-7-azaindole, the 5-bromine-7-azaindole crude product can be prepared by four steps; the preparation method is simple, low in operation difficulty and low requirement on the preparation environment; the user invests small cost to gain great harvest, the trouble of the user is avoided and preparation of the user is facilitated.

The invention provides a planting method for shortening a planting cycle of a white paeony root and improving yield and effective component content. On the basis of regular production planting, the planting method increases the steps that gibberellin is sprayed outside seedling roots at the beginnings of March and April of the first year and the second year at the growth stage, and chlormequat chloride is sprayed outside the roots at the late stage of blossom at the ends of June and July of the first year, the second year and the third year at the growth stage. The planting method is simple to implement, little in investment and large in gain, can shorten the time from seedling emergence to stem leaf ridge coverage of the white paeony root, and postpones the time of leaf yellowing and stem drooping of the white paeony root, thereby prolonging growth time of the white paeony root, strengthening effective component accumulation of the white paeony root, greatly improving the yield of the white paeony root, and improving effective component content of the white paeony root. The yield of the white paeony root is improved by above 10%, the connect an effective component paeoniflorin of the white paeony root is improved by above 8%, growth cycle of the white paeony root is shortened, original white paeony roots can be harvested after 4-5 years or longer time, and now the white paeony root can be harvested after 3-4 years.

The invention discloses a novel aquarium creature intelligent sightseeing guide system and a novel aquarium creature intelligent sightseeing guide device. The system comprises a server, a raspberry pimodule is electrically connected to the server, a camera, a display screen and a voice broadcasting module are electrically connected to the raspberry pi module, and the camera, the display screen and the voice broadcasting module are connected to the raspberry pi module in parallel. The system and the device have the beneficial effects that through the system, a user can directly select the fishthat the user wants to the know through the interaction mode, meanwhile, the user can immediately see the corresponding name and information, the mode is humanized, then tourists are easily attractedto visit an aquarium, the harvest during the sightseeing process is increased, moreover, the movement locus of the fish can be recorded, then the environment data of a fish tank is displayed, the current physiological state of the fish can be mastered, and thus an administrator is assisted in better managing the fish tank.