13results about How to "Increase unit output" patented technology

The invention discloses a high-efficiency artificial cultivation method for gordon euryale seeds in northeast marsh, and belongs to the technical field of production and cultivation of economic plants in marsh, the method comprises the following steps: 1, selecting and germinating wild seeds; 2, seedling raising and temporary planting; 3, field transplanting and field planting; 4, growth management and harvesting. According to the method, the maturing rate of the gordon euryale seeds can be remarkably increased only by adopting a scientific method during transplanting, keeping the plant spacing and reasonably regulating and controlling the water level after transplanting, operation is easy and convenient, and the seed yield per unit area is increased by 5%. The method can effectively solve the problems of low survival rate, uneven growth vigor and unstable yield of wild gordon euryale seeds in northeast marsh.

The invention relates to the field of potato planting, in particular to a preparation method of a safe seed dressing agent for seed potatoes and a seed dressing method.The potato seed dressing agent is prepared by mixing a calcium magnesium phosphate fertilizer, 50% carbendazim wettable powder, 3% Zhongshengmycin wettable powder, 80% mancozeb wettable powder and a slow release component, and the seed potatoes are cut into blocks for seed dressing. The method can safely and efficiently prevent and treat diseases such as soft rot, bacterial wilt and wilt of potatoes, reduces the rotting rate of potato blocks, improves the emergence rate, yield and quality of potatoes, and is simple to operate, easy to master and suitable for large-scale popularization and application.

The invention relates to the technical field of diamond synthesis, in particular to a colorless diamond and a preparation method thereof. The preparation method comprises the following steps: 1) distributing seed crystals on a catalyst sheet; (2) alternately assembling a plurality of graphite sheets, nitrogen removal sheets and the catalyst sheets after seed distribution, so that the nitrogen removal sheets are contained between any graphite sheet and any catalyst sheet to obtain a core column; 3) coating the core column to obtain a synthetic block; and 4) pressurizing and heating the synthetic block to obtain the colorless diamond. The colorless diamond synthesized through the preparation method is high in purity and can reach the D grade and the E grade, meanwhile, compared with a temperature difference method, the synthesis time is shortened, and the single yield is increased.

The invention belongs to the field of microbial fermentation and the technical field of daily chemicals, and particularly relates to deacetylated sophorolipid as well as a preparation method and application thereof. By using cheap culture medium components and screening out saccharomycetes with high yield of lactone type sophorolipid, the problem that the production cost of the sophorolipid is too high is effectively solved, and the application of the sophorolipid in various fields is promoted; through the step of carrying out enzymolysis on a fermentation substrate in advance, the problems of long single fermentation period, low thallus utilization rate, high energy consumption and high cost of traditional saccharomycetes are solved. A multi-round fermentation circulation system is designed, and bacteria liquid is settled and recycled and then inoculated and fermented, so that thalli are efficiently and repeatedly utilized, the unit yield is increased, the fermentation period is shortened, and the production cost is effectively controlled. The structure is adjusted through a resin modification technology, a final product mainly comprises acetylated sophorolipid, and compared with acetylated sophorolipid and deacetylated sophorolipid, the sophorolipid has better foam stability and sensitive skin repairing effect and is suitable for the application fields of cosmetics, washing care and the like.

The application relates to a plant cultivation device based on turn-by-turn operation, which comprises a cultivation frame with multiple cultivation layers; a seeding mechanism arranged at the first end of the cultivation frame and used for driving the previously stored plant seeds to be put into any one or more of the multiple cultivation layers; and a plurality of conveying belts which extend from the first end to the second end along the length direction of the cultivation frame and are arranged in gaps in the width direction of the cultivation frame and in each cultivation layer, and are used for carrying the plant seeds and serving as the growth base of the plant seeds; wherein the seeding mechanism comprises seeding parts movably arranged in the multiple cultivation layers, the seeding parts comprise a seeding pipe extending along the width direction of the cultivation frame and a buffer bin arranged on the side of the seeding pipe opposite to the conveying belts, wherein the side of the buffer bin away from the seeding pipe is provided with a plurality of seeding openings, and the side of the seeding pipe opposite to the conveying belts is provided with a plurality of discharging holes in a manner corresponding to the seeding openings.

This invention discloses a plant cultivation system, belonging to the technical field of plant cultivation systems. The system includes a cultivation chamber, double-sided supplemental lighting fixtures, multiple cultivation units, and a ventilation system. By centrally arranging double-sided supplemental lighting fixtures within a closed chamber, and layering multiple nutrient return components and multiple inclined cultivation pots on mounting frames on both sides of the fixtures, with the cultivation chambers of the pots inclined towards the supplemental lighting fixtures, and a ventilation system at the top of the chamber, all planting surfaces can receive uniform light and ventilation. Simultaneously, the ventilation system dissipates heat from the lighting fixtures, eliminating the need for additional cooling devices and resulting in lower energy consumption. Compared to traditional flat-layer cultivation, this solution offers higher space utilization efficiency, more efficient use of light resources, complete recycling of nutrient solution, and more uniform overall crop light exposure. Annual yield for the same planting area is significantly higher than traditional methods, while requiring less manpower and lower costs for daily maintenance, making it suitable for large-scale, high-efficiency cultivation.

The present invention belongs to the field of bioengineering, and specifically discloses a new process for purifying β-1,3-glucan from a fermentation broth of a saccharomyces cerevisiae cell; comprising the following steps: 1) preparation of a fermentation broth of saccharomyces cerevisiae, 2) purification of β-1,3-glucan; in the preparation of the fermentation broth of saccharomyces cerevisiae, the following initial culture medium is used for fermentation tank culture, including: 25-35 g / L of glucose, 5-6.5 g / L of ammonium sulfate, 7-12 g / L of yeast extract powder, 5-8 g / L of arginine, 0.4-0.6 g / L of magnesium sulfate, 4.1-5.1 g / L of disodium hydrogen phosphate, and 0.5-0.7 g / L of potassium dihydrogen phosphate. The new process disclosed in the present invention has few steps, high unit yield of β-1,3-glucan, convenient purification, low preparation cost, and obvious industrial value.

The present invention proposes an application of RHPS4 in the production of red pigment by fermentation of Monascus ruber and the application of Monascus fermentation liquid, and relates to the field of microbial fermentation technology, wherein the RHPS4 is 3,11-difluoro-6,8,13-trimethyl-8H-quinoline and [4,3,2-kl] acridinium methyl sulfate. The technical scheme of the present invention co-cultivates RHPS4 with Monascus ruber, and finds that RHPS4 can promote the increase of the unit yield of Monascus ruber through the determination of biomass and Monascus ruber content. When cultured to the 10th day, at a concentration of 2µmol / L, the biomass of Monascus ruber decreased by 49.9%, while the yellow pigment of Monascus ruber increased by 260.5 U / mL in the unit yield, the orange pigment of Monascus ruber increased by 130.3 U / mL in the unit yield, and the red pigment of Monascus ruber increased by 97.2 U / mL in the unit yield.

The invention discloses a method for flocculating and purifying tea saponin by using a microbial flocculant, which comprises the following steps: mixing a tea saponin crude extract with water, stirring, standing, removing grease, retaining an aqueous solution, mixing with a coagulant aid solution and a microbial flocculant solution, flocculating, standing, retaining a supernatant, and completing the flocculation and purification of the tea saponin. According to the method disclosed by the invention, the residual oil in the tea saponin crude extract is removed, so that the subsequent flocculation purification effect can be improved, the grease content in the tea saponin product can be reduced, and other impurities in the tea saponin crude extract can be quickly and greatly removed by optimizing the flocculation process under the combined action of the coagulant aid and the microbial flocculant; and flocculant residues and toxicity risks are reduced, so that a liquid tea saponin product with high yield and high purity is obtained. The method also has the advantages of simple and convenient operation, safety, environmental protection and the like, is suitable for large-scale preparation of tea saponin, and is convenient for industrial application.

The application discloses a kind of natural microhabitat mimic eel ecological nest and indoor circulating water integrated aquaculture method, belong to special aquatic facilities breeding field.Ecological nest is modularization detachable structure, from top to bottom includes: upper biological water purification layer, middle layer bionical habitat layer and lower layer pollution collection and flow guide layer, upper biological water purification layer is mixed by diatomite, porous volcanic rock and biological carrier according to 2:1:1, and aquatic plants are planted;Middle layer bionical habitat layer is equipped with graded curved corridor with inner diameter of 8-10mm and 16-20mm;Lower layer pollution collection and flow guide layer is equipped with 1.5° inclined flow guide groove, hollow bottom hole and sewage outlet at bottom, and nest material is biobased composite material made of plant fiber, degradable plastic and diatomite according to 3:5:2.The application realizes habitat, prevents residual killing, water purification, automatic sewage integration, and the survival rate of eels cultured by the ecological nest is 92.3%, the residual killing rate is only 2.1%, ammonia nitrogen is less than or equal to 0.2mg / L, unit output is increased by 42%, and water replenishment amount is reduced by 65%.

The application discloses a culture method for improving the fermentation yield of tacrolimus and belongs to the technical field of tacrolimus production. The culture method for improving the fermentation yield of tacrolimus comprises the following steps: inoculating Streptomyces tsukuba into a fermentation culture medium for fermentation culture to obtain a tacrolimus fermentation liquor; and performing separation and purification on the tacrolimus fermentation liquor to obtain tacrolimus; and adding macroporous adsorption resin into the fermentation culture medium according to the fermentation time during the fermentation process. The method for improving the fermentation yield of tacrolimus controls the carbon and nitrogen source concentration and pH in the fermentation process and supplements macroporous resin, improves the secondary metabolism efficiency, adsorbs tacrolimus in the fermentation liquor through the macroporous adsorption resin, reduces the negative feedback inhibition effect on the secondary metabolism of the production strain caused by high-concentration tacrolimus, and significantly improves the tacrolimus yield.

The invention relates to the technical field of farm manure rapid preparation, and provides a farm manure rapid preparation device based on crop straw and a technology thereof.The farm manure rapid preparation device comprises a fertilizer preparation site and a fertilizer preparation treatment box, a straw storage site is arranged on one side of the top of the fertilizer preparation site, a fertilizer storage site is arranged on one side of the straw storage site, and a water channel is arranged on one side of the fertilizer storage site; one end of the water channel is provided with a fertilizer-making treatment box, and the top end of the fertilizer-making treatment box is provided with an auxiliary structure. According to the invention, the fertilizer is prepared by using the fertilizer preparation treatment box, so that the cost can be saved, various straws do not need to be crushed, and the straws are covered with plastic cloth to be decomposed no matter how long the straws are stacked into a stack shape which is not too high or too wide, so that the crushing operation equipment and cost are reduced, the fertilizer preparation cost is reduced, and further, when the plastic cloth is covered, the fertilizer preparation efficiency is improved. And the worm and the worm gear are matched for use to drive the connecting frame to turn over, so that the plastic cloth is covered, and the plastic cloth is more convenient to cover.

The invention discloses a method for preparing monoethanol diisopropanolamine, and belongs to the technical field of chemical building materials. The method for preparing monoethanol diisopropanolamine comprises the following steps: adding a catalyst to monoethanolamine heated to 30°C, stirring evenly, placing the obtained mixture into a reactor in a nitrogen atmosphere, and spraying propylene oxide into the reactor; performing a aging reaction after the addition is completed, cooling, and obtaining monoethanol diisopropanolamine. The method has a simple synthesis process, a low reaction temperature, a short reaction time, and the prepared monoethanol diisopropanolamine has high purity, few by-products, and low cost.