244results about How to "Prevent excessive growth" patented technology

The invention relates to a method for synthesizing LiFePO4/C material by chemical vapor deposition supporting the solid phase reaction method, namely, the method for preparing carbon coating lithium iron battery anode material, belonging to the Li-ion battery material preparation art technical field. The characteristics of the method for synthesizing LiFePO4/C materials by solid phase and auxiliary chemical vapor deposition are that auxiliary chemical vapor deposition supporting the solid phase reaction method is adopted to synthesize the carbon coating phosphate lithium iron, namely, the LiFePO4/C material. In the method for synthesizing LiFePO4/C material by chemical vapor deposition supporting the solid phase reaction method, a precursor comprising raw materials of lithium, iron and phosphor is adopted to prepare the carbon coating phosphate lithium iron after being blended, grinded by a globe mill, treated by preheating and calcined as well as vapor deposition. The method for synthesizing LiFePO4/C material by chemical vapor deposition supporting the solid phase reaction method has the advantages that the chemical composition, carbon contents and grain size of LiFePO4 can be controlled effectively; the Li-ion battery anode material prepared has sound conductive performance and can improve the charge-discharge rate and cycling performance of the material.

The invention specifically relates to a multifunctional composite microbial fertilizer and a preparation method thereof, belonging to the technical field of composite microbial fertilizers. The multifunctional composite microbial fertilizer is prepared from the following raw materials: a microbial agent, humic acid, an organic fertilizer, pyrethrum powder, inorganic nitrogen-phosphorus-potassium and trace elements. The multifunctional composite microbial fertilizer can provide crops with desired nutrients, reduces the incidence rate of plant diseases and insect pests, has a high live bacterium number, decreases the usage of pesticides and chemical fertilizers and improves the physical and chemical properties of soil, so the output and quality of the crops are improved. Meanwhile, the preparation method for the multifunctional composite microbial fertilizer is simple, easily practicable and convenient to operate.

The invention discloses a method for adopting an LED (Light Emitting Diode) lamp for supplementing cucumber seedlings with light. The method comprises the following steps: adopting red and blue light combination for supplementing the cucumber seedlings with light under the condition of natural low light level (light intensity less than or equal to 35micromol.m2.s1), wherein the wavelength of the red light is 630-650nm, the wavelength of the blue light is 430-450nm and the density ratio of effective photosynthetic light quantum of the red light and the blue light is 2 to 1(2R1B) or 1 to 2(1R2B); adjusting the current of LED lamp power supply, for achieving the supplementary light intensity of 50-100 micromol.m2.s1; supplementing light at regular time by adopting a timing controller, wherein the light supplementing time is from 6 am to 6 pm in each day. According to the method provided by the invention, the LED lamp combined with different red and blue light ratios is adopted for supplementing the generally cultured cucumber seedlings with light; the method has the obvious boosting effect on the cucumber seedlings; the stem diameter, complete stool weight, strong seedling index, single plant leave area, root activity, net photosynthetic rate, SOD activity and POD activity of the cucumber seedlings can be effectively increased; the culturing for strong seedlings is realized.

The invention relates to a management method for planting adult sweet cherry trees at warm regions in the south of China. The variety of sweet cherries adopts Fanduan, Summit, Rainey, Red honey, Santina, Russia No.1, or Kosmytchekaja. The management method of the adult sweet cherry trees comprises the following five steps of: 1, sheltering the trees from rain, sunshine and birds; 2, performing water management; 3, shaping and trimming the trees; 4, performing fertilizing management; and 5, controlling and preventing diseases and insect pests. Through the adoption of the management method disclosed by the invention, continuous high yield of the sweet cherries at 4 small areas in Pujiang County is successfully realized. The method disclosed by the invention has important significances in adjusting the agricultural production structure of the warm regions in the south of China, increasing income for countryside, peasants and agriculture, improving the ecological environment, and driving local regional economic development.

The invention discloses a dual-parallelism grape canopy frame and a grape cultivation method suitable for a soil-burying cold-proof area. The canopy frame comprises two or more lines of stand columns which are arranged at intervals, a cross bar is arranged on each stand column, first main vine supports are connected among the cross bars, second main vine supports are connected between the upper portions of every two adjacent stand columns, transverse bars are connected between every two adjacent lines of stand columns, and fruiting branch supports are connected among the transverse bars. The invention further discloses the grape cultivation method by means of the dual-parallelism grape canopy frame suitable for the soil-burying cold-proof area. The dual-parallelism canopy frame is of a double-layer frame surface structure, main grape vines and fruiting branches are located on a main vine frame surface and a fruiting branch frame surface which are parallel to each other respectively, light resources can be sufficiently utilized, the amount of branch tip overlapping is reduced, fruit color can be uniform, thereby the grape output is raised, grape quality is improved, and wide practicability and higher economic benefits are achieved.

The invention discloses a crown inclination controlling four-season cutting rapid propagation method for alnus formosana. The method comprises excellent single plant selection, seed collecting, seeding and seedling raising, stock plant cultivation, cutting slip collection, cutting slip cutting and post-cutting management. The method is characterized by comprising: selecting excellent single plants in a forest stand with an age of over 10 years, collecting seeds, sowing the seeds and raising seedlings; selecting excellent and robust super seedlings and transplanting the super seedlings in a container bag for stock plant cultivation according to density of 80-100 seedlings/m2; cutting trunks at the altitude of 10-15 cm from the ground to promote germination; cultivating high quality coppice shoots as cutting slips; after treating the cutting slips, planting the cutting slips in a container cup filled with a substrate to be cultivated; covering the container cup with a fully-closed agricultural film, and directly covering the film with a sunshade net or erecting an overhead sunshade net above the film for moisturizing and shading management. According to the invention, the method adopts four-season cutting, the rooting time is shortened to 7-22 days, the alnus formosana can be discharged out of a garden for forestation in 55 days in summer at the soonest, the propagation coefficient of the stock plants is 20-40 times, the cutting survival rate in autumn and winter is 100%, the cutting survival rate all over the year reaches up to 95%, and the positive crown rate reaches no less than 98%, so that excellent and robust alnus formosana cutting seedlings are obtained in quantity.

The invention discloses a nearly beta-type high-toughness titanium alloy. The nearly beta-type high-toughness titanium alloy comprises the following components in percentage by mass: 4.0%-5.5% of Al,0.8%-1.8% of Zr, 3.0%-4.5% of Mo, 1.0%-2.0% of V, 1.5%-2.5% of Fe, 2.5%-3.5% of Cr, no more than 0.12% of B, and the balance Ti and inevitable impurities. The invention also discloses a preparation method of the nearly beta-type high-toughness titanium alloy. According to the preparation method, a large amount of TA15 recycled material is adopted as a raw material; an Al-Zr system is adopted to reinforce an alpha phase in the titanium alloy, and a Mo-V-Cr-Fe system is adopted to reinforce a beta phase in the titanium alloy, so that the coupling reinforcement effect is enhanced; the titanium alloy has good strength and toughness matching; the aluminum equivalent and the molybdenum equivalent of the titanium alloy are controlled, so that the great strength and toughness of the titanium alloyis ensured; and the TA15 titanium alloy recycled material is used as a raw material, so that the preparation cost is greatly reduced.

The invention provides a heat treatment method for a high-lithium-content cast aluminum-lithium alloy, and belongs to the technical field of aluminum alloy heat treatment. The heat treatment method comprises the step of two-stage solid solution treatment conducted on the high-lithium-content cast aluminum-lithium alloy and the step of two-stage ageing treatment conducted on the high-lithium-content cast aluminum-lithium alloy. In the step of two-stage solid solution treatment, the high-lithium-content cast aluminum-lithium alloy is subjected to solid solution heat preservation for 5-20 h at the temperature ranging from 500 DEG C to 540 DEG C, then, the temperature is increased to 560 DEG C, and solid solution heat preservation is conducted for 20-40 h. In the step of two-stage ageing treatment, the alloy subjected to two-stage solid solution treatment is subjected to ageing heat preservation for 8-24 h at the temperature ranging from 125 DEG C to 150 DEG C, and then ageing heat preservation is conducted for 8-24 h when the temperature is increased to 175 DEG C-190 DEG C. According to the high-temperature two-stage solid solution and two-stage ageing heat treatment technology, the number of massive unbalanced intercrystalline compounds caused by the high lithium content is greatly reduced, the separated-out strengthening phase in the ageing process is greatly refined, the high-lithium-content cast aluminum-lithium alloy has low density and high strength, meanwhile, the plasticity of the alloy is greatly improved, and accordingly the application range of the aluminum-lithium alloy is enlarged.

The invention discloses a method for planting potatoes. During the germination period, water should be sprinkled to prevent dryness. The cutting tools used for cutting should be strictly sterilized with potassium permanganate or alcohol to prevent microorganisms and pathogenic bacteria from causing damage to potato tubers. Infection, the potato pieces after drying in the shade are moved to a warm and sunny place to dry the seeds, so that the young shoots are green and strong, and the foliar spraying of 1% potassium dihydrogen phosphate solution can promote the early emergence of seedlings, and the flower buds are removed during the flowering period, reducing Nutrient consumption can promote the development of potato pieces. When the potato plant height is 18 cm, spray the water with paclobutrazol, which can prevent the plants from growing excessively and lodging, and increase the rate of large and medium potatoes. After the middle flowering period, use carbendazim to prevent and control late blight , a potato planting method proposed by the present invention, which greatly saves labor, reduces the cost of potato planting, improves the survival rate of potatoes, enhances the benefits of planting potatoes, enhances the disease resistance and pest resistance of potatoes, and achieves The purpose of high yield and high quality has great promotion value.

The invention discloses a culture method for improving the oleic acid content of peanuts. The method comprises the following steps: selecting a new variety of peanuts with high oleic acid; sowing in an optimum period; covering with a black-and-white plastic film; additionally applying an organic fertilizer, inorganic fertilizer and coated control-releasing fertilizer for mixed use; spraying foliar fertilizer in a later period; and adopting a chemical adjusting method and an irrigation method to increase soil temperature. The method is utilized to plant peanuts so as to improve the per-mu yield of the peanuts by 20-40 kg, improve the oleic acid content of peanuts by 3-10 percent and have favorable economic benefits and social benefits.

The plant antifreezing liquid is compounded with purslane as main material and through extraction, and compounding the extracted liquid with ascorbic acid, glucose, cane sugar, algin sodium, glycerin and choline chloride. The present invention as one kind of natural preparation has no toxicity, no harm and no environmental pollution, and may be sprayed to foliage, flower and bud easily to reach effective antifreezing period of 10-20 days.

The invention discloses a chilli flower-retention and fruit-retention complex agent including a flower-retention and fruit-retention complex agent A and a flower-retention and fruit-retention complex agent B which are applied in a mixing way, wherein the complex agents A and B are respectively prepared by means of mixing a plant growth regulator, mineral elements and insecticides.

The invention provides a method for cultivating healthy tomato seedlings. Turf, vermiculite and perlite are evenly mixed in 6:3:1 volume ratio to prepare a seedling raising matrix, and plug seedling raising is performed; the applying concentration of each plant is 5-8 ml of 50 mg.kg-1 potassium phosphite aqueous solution from tomato germination to cotyledon spreading; the applying concentration of each plant is 8-10 ml of 20 mg.kg-1 prohexadione calcium aqueous solution from emergence of the tip of the first heartleaf to emergence of one leaf and one heat; the applying concentration of each plant is 12-15 ml of 500 mg.kg-1 chitosan aqueous solution during emergence of two leaves and one heat; the applying concentration of each plant is 12-15 ml of 100 mg.kg-1 potassium phosphite aqueous solution during emergence of three leaves and one heat. The seedlings cultivated by means of the method are superior to conventional potted seedlings in root activity, strong seedling index, flower bud differentiation, disease resistance, yield and other aspects.

The invention provides a method for cultivating healthy grafting seedlings of tomatoes. Turf, vermiculite and pearlite are evenly mixed according to the volume ratio of 6:3:1 to prepare seedling cultivating substrates, and the operation of raising seedlings by grafting in plug trays is performed; stock and scions are sown in the same period, and 5-8 ml of a potassium phosphite aqueous solution with the concentration being 50 mg.kg-1 is applied to each tomato seedling from the time when the stock buds to the time when cotyledons are expanded; 8-10 ml of a prohexadione-calcium aqueous solution with the concentration being 10 mg.kg-1 is applied to each tomato seedling from the time when the tip of a first interior leaf of each scion is exposed to the time when one leaf and one core are formed; 8-10 ml of a prohexadione-calcium aqueous solution with the concentration being 20 mg.kg-1 is applied to each tomato seedling when the length of a third main leaf is 1 cm after grafting; 12-15 ml of a chitosan aqueous solution with the concentration being 500 mg.kg-1 is applied to each tomato seedling when the length of a fourth main leaf is 1 cm after grafting. The grafting seedlings cultivated through the method are superior to conventional grafting seedlings cultivated in plug trays in the aspects of root activity, sound seedling index, flower and bud differentiation, disease resistance, yield and the like.

The invention relates to a special fertilizer for cotton. The special fertilizer comprises a base fertilizer, a primary topdressing fertilizer and a second topdressing fertilizer, wherein the mass ratio of the base fertilizer to the primary topdressing fertilizer to the second topdressing fertilizer is (100 to 120):(60 to 80):(8 to 12). The special fertilizer for cotton has the advantages that according to growth features of cotton, different fertilizers are applied in different periods; the vain growth of cotton seedlings and nutrient loss in the early stage, and fertilizer lack and plant premature senility in the back stage can be avoided, so that the yield and the quality of the cotton are obviously improved.