35results about How to "Increase the number of grains" patented technology

The present invention relates to the technical field of laser processing, in particular to a laser cladding and rolling composite processing technology and device. The cladding head moves along the axial direction of the cladding part to form a cladding layer on the surface of the cladding part. At the same time, the outer circular rolling knife applies a certain pressure to the cladding layer along the radial direction of the cladding part under the action of external force to obtain a modified Cladding layer, the device includes: a laser cladding head, the laser cladding head is used to conduct the laser beam; a robot, the robot includes a sliding system and a manipulator set on the sliding system; Apply radial pressure; the outer circular rolling knife is fixed on the tool holder of the horizontal lathe. During the laser cladding process, the present invention uses a certain pressure introduced radially to improve the structure and performance of the laser cladding layer, and has the advantages of operation Convenience, high production efficiency and environmental protection.

The invention provides a method for producing a tungsten bar serving as a halogen tungsten lamp tungsten filament, comprising the following steps of: material selecting, pre-reducing, high potassium doping, reducing, acid rinsing, powder preparing, cold static pressure shaping, high temperature sintering and the like. Compared with the conventional technology, the method is characterized in that two crystal ammonium paratungstates are utilized to prepared raw materials, high potassium doping is adopted, preparation of middle granule tungsten powder is added, a powder distribution scheme is optimized by the middle granule tungsten and a unique incipient fusion high temperature sintering process is utilized. In the method, the granularity distribution of the tungsten powder avoids the peak or double peak phenomenon and has good normal distribution, after being sintered at high temperature, the cross section crystal of the tungsten bar is thin and uniform; the tungsten bar is pressed by a powder mixing scheme; according to a forming mechanism of potassium foams, the number of tungsten bar cross section crystal grains is increased; and the partial growth of the crystal grains is avoided so that the potassium foam is small in aperture, large in density, multiple in crystal boundary, long in line and uniform in distribution.

The invention provides a preparation method for high yield rate, good high temperature and anti-deforming performance tungsten filament used by a tungsten lamp. The recrystallization of the invention can form good coattail joint structure, the aspect ratio is greater than 12, the high temperature intension is high in a high temperature ignition status, the high temperature anti-sag performance and anti-deforming performance is good; normal temperature intension in a normal status and ductility is good, which extends the durability of the halogen tungsten lamp; the invention levels up the high temperature anti-sag performance and enwinding performance of the tungsten used by the halogen tungsten lamp. The invention has the key technique of thinning and even dispersion of tungsten wire potassium bubble, taking A3 type ammonium paratungstate as raw material, tungsten powder preparation plan adopting tungsten powder C is different from the existing tungsten powder preparation technique, design vertical melt sintering and middle-high temperature annealing according to the height dispersion and homogenization of apotassium bubble. The invention adopts the novel production techniques such as using corundum tube oven to a first recrystallization annealing.

The invention relates to a method for accelerating the solidification of casting steel water, wherein it adds micro powder smaller than 20micrometer into steel water while the consumption is 0.05-5% of steel water, while said micro powder can be same material of steel water, or/and electrolyte iron powder. The corn shaper of said invention will not affect the components of steel water.

The invention discloses a lodging-resistant yield increasing wheat fertilizer. The fertilizer is characterized by comprising the following components in parts by weight: 35-45 parts of urea, 5-10 parts of fulvic acid, 5-10 parts of itaconic acid, 10-20 parts of ammonium dihydrogen phosphate, 5-15 parts of ethephon, 3-5 parts of benzylaminopurine, 3-5 parts of potassium chloride, 3-5 parts of manganese sulfate, 3-5 parts of zinc sulfate, 3-5 parts of sodium alginate solution, 3-5 parts of EDTA (ethylene diamine tetraacetic acid) and 3-5 parts of ascorbic acid. With relatively comprehensive nutrient elements and active organic matters, the prepared fertilizer has good efficiency and strong pertinence and is quick in nutrient absorption, so that the utilization rate of the chemical fertilizer can be increased. From the earlier stage to the booting stage of wheat growth, the lodging ratios of plants can be effectively reduced and the plants can also maintain the characteristic of higher yields by carrying out foliar spraying on the fertilizer. A preparation method of the fertilizer is simple and practicable and has obvious economic benefits.

The invention discloses a spray type microbial fertilizer. The spray type microbial fertilizer comprises boric acid, potassium carbonate, ammonium molybdate, citric acid, trace elements and a composite microbial inoculant. The spray type microbial fertilizer can substitute chemical fertilizers in the agricultural production, increases the foliar photosynthetic intensity of crops, increases the chlorophyll component, increases the stress resistance of the crops, inhibits the growth of harmful bacteria, and reduces diseases and pests.

The invention discloses a compound fertilizer for corn planting, which consists of the following raw materials in parts by weight: 26-38 parts of plant ash, 51-69 parts of livestock and poultry excrement, 10-17 parts of Chinese herbal medicines, 3-7 parts of ground phosphate rock, 2-6 parts of bone powder, 6-12 parts of urea, 4-9 parts of potassium chloride, 2-5 parts of boric acid, 1-7 parts of amino acid, and 1-6 parts of calcium magnesium phosphate fertilizer. The prepared corn fertilizer has good fertilizer efficiency, strong pertinence, and fast nutrient absorption, and the utilization rate of the chemical fertilizer can be improved, the growth of a root system at a seedling stage is promoted, the viscosity of cell protoplasm can be improved, and the growth and development of crops are promoted. A variety of trace elements can not only promote the growth of seedlings, but also increase the number of grains in the later stage, so as to improve yield and quality. A fertilizer preparation method of the invention is simple and feasible, and the economic benefit is remarkable. With the fertilizer, soil acidity and alkalinity does not be disturbed, soil fertility can be further increased, and economic benefits are created for farmers.

A composition for regulating plant growth, the active ingredient of which is an ester of oxaloacetic acid or a salt thereof, or derivatives thereof, wherein the ester of oxaloacetic acid has the formula set forth below, where R¹ and R² are independently selected from a series of C₁-C₁₈ alkyl groups, and wherein the content of the active ingredient corresponds to a concentration of from 10⁻¹¹ M to 10⁻³ M. The active ingredients and compositions for regulating plant growth allow for treating plants in order to stimulate the growth thereof and achieve such advantages as increased yields, improved plant quality, improved nutrient absorption and enhanced stress resistance, while allowing such advantages to be achieved using a relatively small amount of an active ingredient(s) which is/are biodegradable and environmentally friendly.

The invention discloses a plant growth regulator for reducing high-temperature damage to paddy, a use method and application thereof. The regulator comprises cytokinin and auxin at weight ratio of (0.1-1.2) to (0.15-0.6); the regulator also can include cytokinin at a certain ratio; in a use process, an aqueous solution is adopted by the plant growth regulator, wherein the cytokinin is 30mg/L-100mg/L, the auxin is 10mg/L-50mg/L and acetylcysteine is 50mg/L-150mg/L; the fertilizer is applied to the leaves in the meiophase stage of paddy pollen mother cells and the dosage is 40-60 liters/mu; the plant growth regulator can be used for relieving the high-temperature damage to paddy, can guarantee high and stable yield of the paddy, is suitable for paddy area over the middle and lower reaches of the Yangtze river and is especially suitable for application in high-temperature area in florescence stage.

The invention discloses a total-nutrient yield increasing corn fertilizer with high efficiency. The fertilizer is characterized by comprising the following components in parts by weight: 35-40 parts of urea, 10-20 parts of humic acid, 5-10 parts of itaconic acid, 10-20 parts of ammonium dihydrogen phosphate, 5-10 parts of potassium hydroxide, 10-20 parts of boric acid, 3-5 parts of zinc sulfate, 3-5 parts of sodium alginate solution and 3-5 parts of EDTA (ethylene diamine tetraacetic acid). With relatively comprehensive nutrient elements and active organic matters, the prepared fertilizer has good efficiency and strong pertinence and is quick in nutrient absorption, so that the utilization rate of the chemical fertilizer can be increased. Not only can seedling growth be promoted but also the grain number at the later stage can be increased by adopting various trace elements, so that the yield is increased and the quality is improved. A preparation method of the fertilizer is simple and practicable and has obvious economic benefits.

The invention provides a quartz crucible use process for meeting pulling of multiple single crystals. In a section refeeding process of pulling of single crystals, a certain amount of aluminum hydroxide is added; and in addition, along with increase of the number of pulled single crystals, the aluminum hydroxide is replenished to replenish dropped crystal evolution layers, and a quartz crucible istransformed into a stable alpha-cristobalite structure. The process has the beneficial effects that due to addition of the aluminum hydroxide, transformation of the quartz crucible to the stable alpha-cristobalite structure is accelerated, the dropped crystal evolution layers can be replenished, corrosion of a silicon solution to the quartz crucible can be reduced, the service life of the quartzcrucible can be prolonged, and cost reduction and effect improvement can be achieved.

The invention belongs to the technical field of bead weld materials and specially relates to a solder wire with a rear earth reinforced bead weld flux core. According to the solder wire with the rearearth reinforced bead weld flux core, the flux core is prepared from the following chemical components including, by weight, 0.2-0.6% of carbon, 0.4-0.8% of ferroboron, 1-1.5% of ferrochrome, 1-3% offerro-molybdenum, 0.2-1.0% of sodium fluoride, 0.2-1.5% of potassium titanate, 0.2-0.8% of yttrium-base heavy rare earth ferrosilicon, 0.8-1.8% of ferromanganese and the balance Fe. The solder wire has good abrasion resistance and red hardness and is capable of preventing stripping of bead weld layers.

The invention discloses an ecological and organic corn fertilizer and a preparation method thereof, belonging to the technical field of fertilizers. The ecological and organic corn fertilizer containsurea, ammonium dihydrogen phosphate, potassium sulfate, zinc sulfate, vinegar residue, polylysine sodium, ferrous sulfate and dissolved pulp. The ecological and organic corn fertilizer is prepared through stirring, mixing and pulping. By utilizing polylysine sodium, ferrous sulfate and dissolved pulp for reinforcement, the yield of corns is increased, and the heavy metal absorptivity resistance of the corns is improved.

The embodiment of the invention provides a transfer method and a transfer device of a micro light emitting diode. The transfer method comprises the following steps of manufacturing an expandable material unit at one side of at least one micro light-emitting diode grain on at least one substrate base material to obtain at least one micro light-emitting diode transfer body; exciting the expandable material unit in at least part of the micro light-emitting diode transfer body to expand; adsorbing at least part of the micro light-emitting diode transfer body on the substrate base material to a transfer substrate; releasing at least part of the micro light-emitting diode transfer bodies located on the transfer substrate to a target substrate; and removing each expandable material unit in the light emitting diode transfer body of the target substrate. According to the embodiment of the invention, the spacing of the micro light-emitting diode grains in the transfer process is adjustable, so that the preparation efficiency of the micro light-emitting diode can be improved, and the preparation period is shortened.

The invention discloses a ZnO modified SnO2-based perovskite solar cell and a preparation method thereof. The solar cell includes a conductive glass layer, a ZnO modification layer, a SnO2 electron transport layer, a perovskite layer, a hole transport layer and a metal electrode layer which are sequentially layered, wherein the ZnO modification layer does not directly modify contact surfaces of the SnO2 electron transport layer and the perovskite layer, but is reversely disposed on a side of the SnO2 electron transport layer away from the perovskite layer, so a surface of the SnO2 electron transport layer close to the perovskite layer is modified, and roughness of the SnO2 electron transport layer is reduced. The solar cell is advantaged in that roughness reduction of the SnO2 electron transport layer further increases the number of crystal grains of the perovskite, competitive growth among the grains reduces roughness of the perovskite layer, moreover, the ZnO modification layer can directly improve interface contact between the SnO2 electron transport layer and the conductive glass layer.

The invention discloses a peanut underground fertilizer with an effect of increasing yield at an early stage. The fertilizer is characterized by comprising the following components in parts by weight: 10-20 parts of corn straw powder, 15-25 parts of nitrogen, phosphorus and potassium compound fertilizer, 6-8 parts of humic acid, 8-10 parts of itaconic acid, 1.5-2.5 parts of trace elements, 0.2-0.5 part of growth regulator and 40-60 parts of water. The chemical fertilizer utilization rate and the grain number at the later stage can be increased by adopting the prepared fertilizer, so that the yield is increased and the quality is improved. The fertilizer has good efficiency and strong pertinence, is quick in nutrient absorption and makes up for the deficiency of roots in nutrient absorption. A fertilizer application method is simple and practicable and has obvious economic benefits.

The invention relates to an amino acid liquid fertilizer and application thereof in corn planting, and particularly provides an amino acid liquid fertilizer. The amino acid liquid fertilizer comprisesamino acid and the balance of water, and the amino acid is arginine or glutamine. The invention further provides a corn planting method. The method comprises the steps of spraying the amino acid liquid fertilizer for corns. The invention further provides application of the amino acid which is the arginine or the glutamine in the improvement of a corn filling effect. The amino acid liquid fertilizer is simple in formula, convenient to use and remarkable in fertilizer efficiency, is used for corn planting, and can comprehensively improve the corn filling effect, particularly, corncob phenotypesare improved remarkably (including improvement of grain plumpness, increasing of lengths of spike-stalks, increasing of the number of grains and relieving of bare tips), and thousand seed weight, kernels per spike, grain weight per spike, grain type carotene concentration and the like are improved.

The invention belongs to the technical field of surface protection, and discloses a compact titanium diboride coating, a preparation method of the compact titanium diboride coating and application ofthe compact titanium diboride coating. The titanium diboride coating sequentially comprises a Ti transition layer, a Tin overplating layer and a TiB2 layer, wherein titanium diboride existing in the TiB2 layer is in the form of (001) preferentially oriented nano-isometric crystal; the grain diameter of the isometric crystal is 2-5 nm; the titanium diboride coating is prepared by taking a TiB2 target as a raw material and adopting a magnetron sputtering composite ion beam etching method by a coating mechanism; and the coating machine comprises a vacuum chamber, a magnetron sputtering source, anion source and workpiece supports capable of rotating at the same time. The TiB2 coating has excellent toughness and compact structure; and the compact titanium diboride coating and the preparation method have the advantages of being simple in process, high in film forming quality, stable in performance, extremely high in hardness and excellent in friction wear resistance, and widely applicable to protecting the surfaces of products such as machinery and molds.

The Vrs1 gene was found to be highly expressed in the pistils of sterile lateral spikelets of two-row barley, showing that the VRS1 protein suppresses the fertility of florets in lateral spikelets. In addition, it was also found that the introduction of siRNA specific to the Vrs1 gene into two-row barley successfully restored the fertility of lateral spikelets and thus can increase the number of grains. The vrs1 gene derived from wheat was isolated for the first time, and the expression site of the gene was found to be specific to upper florets to be sterile in spikelets. Furthermore, it was confirmed that the introduction of siRNA specific to the wheat Vrs1 gene into wheat successfully increased the number of florets and the number of grains per spikelet, enabling provision of a method and an agent for increasing the number of grains per spikelet of wheat.

Compositions and methods for imparting a dense and erect panicle phenotype to plants, including polynucleotides, polypeptides, vectors and cells. This phenotype is associated with improving plant traits, such as improving plant yield.

The invention relates to the technical field of fertilizer production, and discloses a special compound fertilizer used for desalted soil and capable of increasing the rice yield. The compound fertilizer is prepared from the following raw materials in parts by weight: 80 to 130 parts of biogas residue, 20 to 30 parts of biogas slurry, 50 to 70 parts of urea, 100 to 120 parts of fermented livestock manure, 40 to 50 parts of calcium hydrogen phosphate, 1 to 5 parts of brown sugar, 10 to 25 parts of silicon fertilizer, 20 to 30 parts of magnesium chloride, 10 to 20 parts of ferric chloride, 10 to 20 parts of zinc chloride, 15 to 25 parts of boron fertilizer, 5 to 10 parts of manganese molybdate, 30 to 50 parts of nitrogen, 30 to 50 parts of humic acid, 30 to 50 parts of potassium, 1 to 5 parts of chitooligosaccharide, 10 to 20 parts of borax, 6 to 10 parts of betaine, 5 to 8 parts of seaweed meal, 5 to 8 parts of glycerol, 3 to 6 parts of grass ash and 1 to 3 parts of wormcast. The rice produced by using the compound fertilizer disclosed by the invention is neat in ear head, quick in filling, full in grains and good in yellowing during ripening, can effectively promote early-stage and middle-stage growth of the rice, and is beneficial to later-stage filling and dry matter accumulation, so that the highest yield is obtained, and the rice produced by using the compound fertilizer can improve the utilization rate of the fertilizer.