33results about How to "Clear parameters" patented technology

The invention relates to a method for preparing a microcapsule taking a hydrophobic substance as a core material by a complex coacervation method. The method has the advantages of simple process and relatively lower cost, and the product has relatively higher encapsulation efficiency. The method comprises the following steps of: (1) weighing gelatin and carboxymethylcellulose in certain proportion, and stirring and dissolving the gelatin and the carboxymethylcellulose in hot water; (2) adding hydrophobic substance in certain mass ratio and dispersing the hydrophobic substance for 2 minutes at a high speed to form emulsion; (3) stirring the emulsion at the constant temperature of 45 DEG C, adjusting the pH of the emulsion to be 4.4 to 4.8 with a 10 percent ethylic acid and reacting the emulsion with the ethylic acid for 5 minutes; (4) cooling the emulsion until the temperature is below 15 DEG , adjusting the pH of the emulsion to be 6.0 and adding glutamine transaminase for solidification; and (5) filtering the mixed solution to obtain a wet microcapsule product, and freeze-drying or spray-drying the wet microcapsule product to obtain a dried microcapsule product.

The invention discloses a method for electric transmission line windage yaw transient analysis under action of moving thunderstorm wind. The method comprises the steps that the vertical wind speed is considered in simulation of a moving thunderstorm wind field and the spatial correlation and the pulsation effect are synchronously considered; when the wind load is determined, a transient wind attack angle and a corresponding divided conductor aerodynamic coefficient are introduced, and the wind speed and change of the direction are considered in a time domain; in the analysis process of a wind deflection angle, displacement, caused by the asymmetric load, in the direction of a line is considered, the largest wind deflection angle of part of the electric transmission line is calculated under the condition of the extreme wind load, design work of windproof measures of the electric transmission line is directed, and the power supply reliability of the electric transmission line is improved.

The invention discloses an adaptive image target enhancement method based on a difference of Gaussian model and belongs to the digital image processing field. In the method, based on a lateral inhibition phenomenon of a biological visual receptive field, the difference of Gaussian (DOG) model of image space domain filtering is established. Target and noise gray level distribution prior knowledge in a water surface image and a constraint relation of excitability and inhibition effect offset are used to select a model parameter so as to reach a local optimal enhancement effect. By using the method in the invention, comprehensive performance of target enhancement, background inhibition and noise filtering is better than the comprehensive performance of a traditional spatial-domain high pass filter. The enhanced image possesses a good visual sense and simultaneously a demand of subsequent motion vector estimation to a correlation operation signal to noise ratio is satisfied.

The invention belongs to the technical field of producing and processing of polyester filament yarns and particularly relates to a method for industrial production of polyester filament yarn by using polyester waste yarn. The method comprises the following specific operation steps: preparing a bubble material, crystallizing, drying and extruding; and preparing melt, filtering, homogenizing and spinning; and finally obtaining the polyester filament yarns. With the waste yarns generated in the process of recovering polyester bottle flakes to produce the polyester filament yarn as the raw material, the bubble material is produced from the waste yarns; the polyester filament yarns are industrially produced from the bubble material; cyclic utilization of the waste yarns is realized; the process disclosed by the invention is stable; the utilization rate of the recovered polyester bottle flakes is effectively improved; and the method can be popularized and applied.

The invention provides a method for preparing crude phycobiliprotein and crude polysaccharide from porphyra yezoensis. The novel method for preparing crude phycobiliprotein and crude polysaccharide simultaneously comprises steps as follows: fresh and wet porphyra is taken as a raw material, harvested porphyra yezoensis is washed, drained and subjected to centrifugal dewatering processing, and mixing swelling, wet-method ultrafine grinding performed by a colloid mill combined homogenizer, salting-out and other procedures are performed. According to the method, drying processing of the fresh and wet porphyra in the preparation process of phycobiliprotein is eliminated, a prepared crude phycobiliprotein product contains 34.3%-38.9% of phycobiliprotein on the dry basis, and the yield of phycobiliprotein ranges from 4.59% to 4.71%. The method is suitable for industrial application, the crude phycobiliprotein product prepared from porphyra can be taken as a preparation raw material of high-purity porphyra phycobiliprotein, and the prepared crude polysaccharide can be taken as a preparation raw material of polysaccharide.

The invention provides sweet potato dreg type fermented feed which is prepared through the fermentation technology of candida utilis and the like by using the abundant sweet potato dreg resources in areas where sweet potatoes are planted densely. According to the sweet potato dreg type fermented feed, the existing technology of fermented sweet potato dregs is improved, production parameters are made clear, production links are reduced, and the fermented sweet potato dregs with the higher feeding value are acquired.

The invention provides a four-change-one-increase high efficiency cultivation method for fresh eating sweet potatoes in plains of the China northern potato region. The method comprises the following steps that an excellent variety is selected; health seedlings are selected; ridging, pipe layering and film overlaying are carried out; close planting is carried out earlier appropriately; water and fertilizers are managed accurately; appropriate chemical control is implemented; vine removing and harvesting are carried out mechanically; and early harvesting and grading are carried out in proper time. In the cultivation method, drip irrigation is used according to needs of scaled household farms, the wheelspan of a power machine matching mechanical traction is taken into full consideration, a single-ridge-single-row manner is changed to a large-ridge-double-row manner, rely on natural rainfall is changed to accurate water supply, fertilizer broadcasting is changed into quantitative fertilizer supply, excessive chemical control is changed into staged green chemical control, and the sweet potato plantation density is increased; thus, the survival rate in the seedling stage and the rate ofcommercial potatoes are improved, the climate risk in sweet potato production is reduced, the high efficiency cultivation method with the core of four-change-one-increase for the fresh eating sweet potatoes is formed on the basis of integration of water and fertilizer drip irrigation, and production of the fresh eating sweet potatoes enters a mechanical, facility, engineering and simplified stage.

The invention relates to a prestress design method for a cable-stayed bridge concrete cable bent tower anchorage zone, and belongs to the field of the prestress design of the cable bent tower anchorage zone. The method comprises the following steps that: S1: determining the front wall thickness-width ratio [Lambda] of the cable bent tower; S2: according to the [Lambda] value, selecting a cable bent tower-compression bar model to be adopted, and calculating a geometrical parameter; S3: solving maximum pull bar internal force; S4: according to the maximum pull bar internal force, calculating theamount of required prestress ribs; and S5: according to a pull bar movement direction in the model, arranging the prestress ribs. The method can be used for the quantitative design of the prestress of the cable bent tower anchorage zone, and puts forward a cable bent tower anchorage zone pull-compression bar model which has a specific geometrical parameter and can be directly used by engineeringpersonnel. The method has the advantages of high universality, high design efficiency, clear mechanical concept and high calculation accuracy, and blindness and low efficiency caused by a situation that traditional cable bent tower anchorage zone design depends on the experience of design personnel and a great quantity of trial calculations are avoided.

The invention relates to a glue path detection method for glue with a fluorescence effect. The method comprises the steps that a UV light source is used for irradiating to obtain an image of a glue path; the image is processed; an overflow glue detection mode and/or a first glue breaking/dripping detection mode and/or a second glue breaking/dripping detection mode are/is carried out, wherein the overflow glue detection mode is used for detecting whether glue overflow abnormity exists in the glue path or not, the first glue breaking/dripping detection mode is used for detecting whether glue breaking abnormity and glue dripping abnormity exist in the glue path where the edge of the glue path is located or not, and the second glue breaking/dripping detection mode is used for detecting whether glue breaking abnormity and glue dripping abnormity exist in the glue path where the corner of the glue path is located or not. According to the invention, whether the glue path of the glue coated with the fluorescent effect has the defects of glue overflow, glue breaking and glue dripping can be intelligently detected, manual detection is avoided, and the detection efficiency and accuracy are high.

The invention relates to a gas injection and brine discharge device for a salt-cavern gas storage. The gas injection and brine discharge device comprises a sleeve pipe, a gas injection and brine discharge inner pipe and a gas injection and brine discharge outer pipe; the gas injection and brine discharge outer pipe is tripped into the upper portion of a salt cavern through the sleeve pipe, the gasinjection and brine discharge outer pipe is connected with the lower portion of the sleeve pipe through a packer, and an annular space between the sleeve pipe on the upper portion of the packer and the gas injection and brine discharge outer pipe is filled with annular protection liquid. The gas injection and brine discharge method comprises the following steps of sonar cavity measurement, bottomdetection of a lower drill rod, acquisition of cavity bottom sediment physical property parameters, determination of the size and brine discharge rate of the gas injection and brine discharge inner pipe, stress analysis of insoluble matter sediment particles near a pipe opening of the gas injection and brine discharge inner pipe, determination of the downward depth of the pipe opening of the gasinjection and brine discharge inner pipe and a pipe opening of the gas injection and brine discharge outer pipe, tripping of the gas injection and brine discharge outer pipe and the gas injection andbrine discharge inner pipe, and gas injection and brine discharge. Compared with the prior art, the gas injection and brine discharge device is suitable for brine discharging of the salt-cavern gas storage, a salt-cavern hydrogen storage, a salt-cavern compressed-gas energy storage and a salt-cavern oil storage; and the method has the advantages of simple steps, clear parameters and high operability, and can realize accurate control of gas injection and brine discharge of the salt-cavern gas storage.

The invention relates to a preparation method of an Etoricoxib crystal form V, in particular to an Etoricoxib crystal form V product prepared from Etoricoxib free alkali monomer. The method is feasible and controllable, simple to operate and low in cost, adopts an organic solvent with lower toxicity, effectively avoids environment pollution, is high in technical repeatability and stable in yield,can obtain pure V crystal form samples, ensures that the yield reaches greater than 90 percent, is more suitable for industrial production of Etoricoxib crystal form V, and has high economic benefit.

The invention relates to an inverter function test system and a test method. The inverter product is connected to the product inlet J through a wire. Under normal conditions, the charging data of the 120VAC battery B2 to be charged and the data Charging data, 120VAC fully charged battery B1 charging data, 277VAC fully charged battery B1 charging data, inverter discharge voltage meter VAC2, inverter discharge frequency table Hz measured 120VAC no-load inverter data, battery charging current meter IDC1, Inverter discharge voltmeter VAC2, inverter discharge frequency meter Hz, inverter lamp load ammeter IAC2 measured 120VAC full-load inverter data, battery charging current meter IDC1, inverter discharge voltmeter VAC2, inverter discharge frequency meter Hz, inverter lamp The load ammeter IAC2 measures the 277VAC full-load inverter data, records them in the test table and compares them with the standard data, and then transfers the product to the next process. The test items are complete, and the parameters are stable, clear and accurate.

The invention discloses a preparation method of brominated epoxy resin special for a copper-clad plate and a product prepared by using the preparation method. The preparation method comprises the following steps of by adopting bisphenol A liquid epoxy resin and tetrabromobisphenol A as raw materials, adding a catalyst for reaction to obtain intermediate resin; adding the bisphenol A liquid epoxy resin again for polymerization and chain extension to obtain the target brominated epoxy resin. The brominated epoxy resin prepared by using the preparation method provided by the invention has the advantages of high purity, low product chrominance and stable product quality.