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42results about How to "Moderate time" patented technology

Castanea henryi high-yielding regulator and application thereof

ActiveCN103360159AMake up for the disadvantages of short blooming period and low efficiency of pollination and fertilizationMake up for the disadvantages of low pollination and fertilization efficiencyFertilising methodsFertilizer mixturesPhosphateMonopotassium phosphate
The invention provides a Castanea henryi high-yielding regulator and application thereof. The Castanea henryi high-yielding regulator is composed of a Castanea henryi high-yielding regulator 1 and a Castanea henryi high-yielding regulator 2, wherein the Castanea henryi high-yielding regulator 1 contains the following components in parts by weight: 10-150 parts of potassium dihydrogen phosphate, 20-150 parts of calcium chloride, 50-100 parts of boric acid, 50-100 parts of sucrose, 0.5-3 parts of 2,4-dichlorphenoxyacetic acid, 20-70 parts of gibberellin and 1-4 parts of indolebutyric acid; and the Castanea henryi high-yielding regulator 2 contains the following components in parts by weight: 100-300 parts of urea, 10-70 parts of ammonium phosphate, 20-50 parts of potassium sulfate, 30-70 parts of magnesium chloride, 50-100 parts of calcium chloride, 50-100 parts of manganese chloride, 10-30 parts of zinc sulfate and 50-200 parts of ferrous sulfate. The Castanea henryi high-yielding regulator provided by the invention can obviously enhance the yield of the Castanea henryi, and ensure the high and stable yield of the Castanea henryi.
Owner:CENTRAL SOUTH UNIVERSITY OF FORESTRY AND TECHNOLOGY

Preparation method for rare earth permanent magnet material

The invention relates to a preparation method for a rare earth permanent magnet material. The preparation method comprises the steps of weighing powder of three kinds of raw materials of H, M and Q according to atomic percentage contents in a general formula of H<100-x-y>M<x>Q<y>, and performing mixing and screening processing in nitrogen or other oxygen-less environment to obtain composite powder; next, performing mechanical processing on a sintered NdFeB magnet to obtain specific shapes and dimensions, and performing surface cleaning and drying to obtain a to-be-processed NdFeB magnet; next, enabling the composite powder to be attached to the surface of the to-be-processed NdFeB magnet through static in an oxygen-less environment; and performing vacuum heat treatment and tempering treatment in sequence to obtain the rare earth permanent magnet material. By adoption of the method, high efficiency, high binding force between heavy rare earth element attachment and the base magnet, and convenience in residual powder recycling are realized; and the coercivity of the prepared NdFeB magnet can be improved by 4,000-14,000Oe, the residual magnetism is only reduced by 1-2%, and the heavy rare earth usage amount can be saved by 30% compared with that of the equivalent-performance magnet.
Owner:ADVANCED TECHNOLOGY & MATERIALS CO LTD

Wet desulfurization equipment for coal fired boiler

The invention belongs to the technical field of environmental protection equipment and particularly relates to wet desulfurization equipment for a coal fired boiler. The wet desulfurization equipment for the coal fired boiler has a very good desulfurization effect, comprises a desulfurization tower and is structurally characterized in that a spray tower is arranged at the upper end of the desulfurization tower, an electrostatic tower is arranged at the upper end of the spray tower, a circulating pool is arranged at the lower end of the desulfurization tower and connected with an inlet of a first circulating pump through a pipeline, an outlet of the first circulating pump is connected with an inlet of a spray oxidation pipe at the spray oxidation part through a pipeline, and an output end, for a liquid after spray oxidation, of the spray oxidation part is connected with inside of the circulating pool; a concentration tank is connected with an inlet of a second circulating pump through a pipeline, an outlet of the second circulating pump is connected with an inlet of a spray pipe, one part of an outlet of the spray pipe is arranged at the upper part of the spray tower, and the other part of the outlet of the spray tower is arranged at the upper part of the desulfurization tower; a transverse smoke inlet is formed in the lower part of the desulfurization tower.
Owner:庄建中

Genetically modified violacein biosynthetic gene cluster, recombinant expression vector, engineering bacterium and application thereof

The invention discloses a genetically modified violacein biosynthetic gene cluster, a recombinant expression vector, engineering bacteria and application thereof. The ribosome binding site of the violacein biosynthetic gene cluster is subjected to site-specific mutagenesis and codon deletion mutation transformation, so that effective translation of violacein synthetic protein is promoted, and thetransformed gene cluster with remarkably improved production potential is obtained; by introducing the modified gene cluster or the recombinant vector containing the modified gene cluster into host bacteria, engineering bacteria for high yield of violacein are obtained; furthermore, fermentation conditions of engineering bacteria are optimized, and a method for separating and purifying violacein is provided. The genetic engineering strain constructed by the invention has the advantages that the yield of violacein can be obviously improved; different from conventional low-temperature fermentation of violacein at 20 DEG C or 25 DEG C, the violacein metabolite can be efficiently produced under the temperature condition of 25-37 DEG C, the problem of high cooling cost in the fermentation process is solved, and the invention is suitable for large-scale production.
Owner:XINXIANG MEDICAL UNIV

Special adhesive for hollow composite insulator and preparation method thereof

The invention relates to the technical field of adhesives, and discloses a special adhesive for a hollow composite insulator and a preparation method of the special adhesive, and the special adhesive comprises the following components in parts by mass: a component A: 90-110 parts of epoxy resin, 1-2 parts of nano aluminum oxide, 0.5-1 part of a silane coupling agent, 8-12 parts of an organic solvent and 120-160 parts of a filler a; The component B comprises the following components in parts by weight: 60-70 parts of a curing agent, 20-30 parts of a toughening agent, 1 part of an accelerant, 60-80 parts of filler b and 0.5-1 part of a flatting agent; The mass ratio of the component A to the component B is 1: 1. The curing time of the current common adhesive is about 2 hours, and the curing time of the adhesive disclosed by the invention is 30-45 minutes; According to the method, the damage test is carried out on a hollow composite insulator sample, and the final damage value is increased by about 13% compared with the prior art. Therefore, the adhesive has the characteristics of good bonding performance, high impact toughness, moderate viscosity, rapid curing and the like, is particularly suitable for an end connection structure in interference fit, and is high in process applicability.
Owner:EXAMING & EXPERIMENTAL CENT OF ULTRAHIGH VOLTAGE POWER TRANSMISSION COMPANY CHINA SOUTHEN POWER GRID

Coal-fired boiler wet desulfurization equipment

The invention belongs to the technical field of environmental protection equipment and particularly relates to wet desulfurization equipment for a coal fired boiler. The wet desulfurization equipment for the coal fired boiler has a very good desulfurization effect, comprises a desulfurization tower and is structurally characterized in that a spray tower is arranged at the upper end of the desulfurization tower, an electrostatic tower is arranged at the upper end of the spray tower, a circulating pool is arranged at the lower end of the desulfurization tower and connected with an inlet of a first circulating pump through a pipeline, an outlet of the first circulating pump is connected with an inlet of a spray oxidation pipe at the spray oxidation part through a pipeline, and an output end, for a liquid after spray oxidation, of the spray oxidation part is connected with inside of the circulating pool; a concentration tank is connected with an inlet of a second circulating pump through a pipeline, an outlet of the second circulating pump is connected with an inlet of a spray pipe, one part of an outlet of the spray pipe is arranged at the upper part of the spray tower, and the other part of the outlet of the spray tower is arranged at the upper part of the desulfurization tower; a transverse smoke inlet is formed in the lower part of the desulfurization tower.
Owner:庄建中
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