36results about How to "Applicable method" patented technology

The invention relates to a method for preparing high-purity salvianic acid A sodium. The method comprises the following steps: micronization of radix salviae miltiorrhizae, sopping extraction of ethyl acetate, sopping extraction of dregs, adsorption of extracting solution by AB-8 resin, elution, eluent concentration to adjust the pH value to 7-8, heating for 30 min at high temperature of 110-130 DEG C, filtering, adjusting the pH value to 1-3 for the filter liquor, standing, precipitation, filtering, adsorption of filter liquor under the AB-8 resin acidic condition, pure water elution, adjusting the pH value to 7-8 for the eluent, concentration, drying, obtaining salvianic acid A sodium solid and methanol recrystallization to obtain the high-purity salvianic acid A sodium.

The present invention relates to an energy efficiency evaluation method for high energy-consuming enterprises, comprising the following steps: S1) collecting data and establishing an energy efficiency evaluation index system, which includes a plurality of first-level indicators, and each first-level indicator includes a plurality of second-level indicators. Each second-level index is normalized; S2) Based on the energy efficiency evaluation index system, determine the factor domain and comment level domain of the first-level index and the second-level index in turn, and determine the weight set of the first-level index and the second-level index , obtain a comprehensive evaluation matrix, and establish a mathematical model of multi-level fuzzy comprehensive evaluation; S3) use the mathematical model of multi-level fuzzy comprehensive evaluation to complete the energy efficiency evaluation of high energy-consuming enterprises, and analyze the results. The present invention retains all the information of evaluation indicators at all levels, and through multi-level evaluation and subjective and objective comprehensive weighting, it effectively overcomes the industry limitations of a single evaluation method and the subjective randomness of traditional fuzzy comprehensive evaluation, and the calculation method is scientific, Fast, high reliability, strong engineering practicality and application promotion value.

The invention discloses a cross section curve reconstruction method for three-dimensional model reconstruction, which comprises the steps of carrying out segmentation on data points according to curvature information of discrete data, determining corresponding characteristics, and determining an area in which an ideal segmentation point is located; referring to the density of data sampling, determining a reasonable grid division spacing, and carrying out gridding on a target area; firstly fitting a straight line as for each node of the current grid, then fitting a B spline curve based on boundary constraint conditions, and calculating the total error of all data points to the curve and the number of control vertexes of the B spline curve; comprehensively analyzing the two groups of calculated data, and determining a current optimal segmentation point; outputting the optimal segmentation point if the density of the current grid node satisfies the precision; and otherwise, reducing the target area by taking the current optimal segmentation point as a center, reducing the spacing, dividing the grid, and reconstructing a cross section curve according to the current optimal segmentation point.

The invention belongs to the field of engineering machinery, and particularly relates to an anti-rollover system and method for a lorry-mounted crane. The anti-rollover system comprises a support legstate monitoring system, an axle state monitoring system, an anti-rollover controller and a support leg hydraulic cylinder telescopic control valve, and is characterized in that pressure information detected by front side support leg pressure sensors and rear side support leg pressure sensors is transmitted to the support leg state monitoring system; displacement information detected by front axledisplacement sensors and rear axle displacement sensors is transmitted to the axle state monitoring system; the support leg state monitoring system and the axle state monitoring system separately transmit the pressure information and the displacement information to the anti-rollover controller; and the anti-rollover controller performs data treatment and drives the support leg hydraulic cylindertelescopic control valve to drive oil cylinders corresponding to different vertical support legs, so that stress states of the different vertical support legs and lorry posture are adjusted. By adopting the anti-rollover system and method, initiative anti-rollover of the lorry-mounted crane can be realized automatically and safely.

The invention relates to a preparation method of a 1,4-di-[4-(glucosyloxy) benzyl]-2-isobutyl malate comparison product. The method comprises the following steps of: pulverizing a rhizoma bletillae medicinal material into coarse powder, extracting in alcohol and recovering the alcohol; adding water to an obtained concentrated solution to dilute and enriching through a macroporous adsorption resincolumn; hydrolyzing and adsorbing in alcohol, and recovering the alcohol to obtain a concentrated solution; adding silica gel to the concentrated solution and uniformly mixing; drying to form powder and eluting by using chloroform and methanol to obtain a crude 1,4-di-[4-(glucosyloxy) benzyl]-2-isobutyl malate product; carrying out gel column chromatography to obtain a fine 1,4-di-[4-(glucosyloxy) benzyl]-2-isobutyl malate product; and then carrying out preparative reverse silica gel column chromatography and methanol-water elution to obtain the 1,4-di-[4-(glucosyloxy) benzyl]-2-isobutyl malate comparison product. Detected by using a high efficiency liquid chromatography method, the content of the 1,4-di-[4-(glucosyloxy) benzyl]-2-isobutyl malate can reach higher than 98 percent. The method has lower cost, simple step and strong specificity.

The invention discloses a factory-like rapid propagation method for test-tube seedlings of dendranthema morifolium. The method comprises the following steps: by taking a flower bud of dendranthema morifolium as an explant, inducing dedifferentiation and redifferentiation; obtaining the test-tube seedlings through a tissue culture technique; carrying out transitional planting in a vermiculite matrix or a matrix with a ratio of peat to vermiculite to perlite being 33% to 33% to 33% to obtain a shoot with 3-5 leaves and height of 15-20cm after about 30 days; and transplanting to a land for growing field crops, thus harvesting in the current year. By adopting the technical scheme, the seedlings are fully originated from a same plant which accords with inheritable character, so that virus accumulation is reduced, the period is short and the effect is achieved fast. Genuine medicinal material dendranthema morifolium is convenient to store and quick to popularize as a conventional resource, and the method is an effective method suitable for factory-like production of the test-tube seedlings.

The invention discloses a manufacturing method of a medical bionic trabeculae structure multihole tantalum bone implant prosthesis through laser additive manufacturing-high-temperature vacuum sintering. The method comprises the following steps of establishing a bone defect prosthesis three-dimensional graph by using CT scanning data, performing transformation design on the bone defect prosthesis graph into a bionic trabeculae multihole shape of which the air porosity is 60-85%; designing a support, wherein the support sufficiently forms firm connection between a basal plate and a printed transplant prosthesis, and after printing is performed, the printed transplant prosthesis is easy to taken off from the printing basal plate by a manual method; and reducing the oxygen content of the transplant prosthesis and relieving stress by using an ultrahigh temperature vacuum sintering heat treatment method so as to obtain a qualified human body transplant prosthesis. The method can prevent pollution of wire cutting on the multihole tantalum transplant prosthesis, the oxygen content of the multihole tantalum transplant prosthesis is reduced, through a conventional technology, connection in series is performed, so that the manufacturing method of the medical bionic trabeculae structure multihole tantalum bone implant prosthesis through laser additive manufacturing-high-temperature vacuumsintering is formed, and the method is a complete technology manufacturing method.

The invention discloses a preparation method of 1,2,3,4,6-pentagalloylglucose reference substances, belonging to the technical field of extraction and purification of traditional Chinese medicine and natural product reference substances. The method comprises the following steps of: crushing white peony root herbs, carrying out reflux extraction and concentration on the crushed white peony root herbs, adding water into the obtained object to dilute, carrying out macroporous adsorptive resin enrichment and desorption on the diluted object two times, and carrying out gel column chromatographic separation on the obtained product so as to obtain a 1,2,3,4,6-pentagalloylglucose reference substance; and through carrying out detection by using a high-performance liquid chromatography, the content can reach more than 98%. The method is lower in cost, simple in steps and strong in specificity.

The invention discloses a method for calculating losses of magnetic cores with different sectional areas. The method comprises the following steps of firstly, separating magnetic hysteresis loss from eddy current loss under the conditions that work efficiency and magnetic flux density variable quantity are given; secondly, calculating difference of the sectional area of a magnetic core used in an actual engineering and the sectional area of a magnetic core tested in a specification; and finally, calculating the eddy current on the basis of the difference. The method has the advantages that physical conception is clear; a calculating process is simple; influences on losses of the magnetic cores due to different sectional areas can be effectively analyzed without the aid of a special instrument; and the method can be widely used for simulation software to simulate the losses of the magnetic cores with the different sectional areas in application of power electronics.

A method for monitoring movement of a dam body of a five-level tailings pond is characterized by comprising the following contents of: (1) arrangement of a working base point and a movement observation point; (2) a measurement method; (3) office computation; and (4) achievement data. By the technical scheme, angle measuring accuracy and distance measuring accuracy of the method meet technical requirements of a four-level network, and requirements on observation of the movement of the dam body of the five-level tailings pond can be met basically. The method has the advantages that the tailings pond can be monitored by using a simple measuring method, the principle is simple, the method is suitable and easy to operate, and investment cost is low.

The invention provides an electrochemical gas sensor ultrasonic welding tool. The electrochemical gas sensor ultrasonic welding tool comprises a base plate. A containing mechanism for containing an electrochemical gas sensor lower shell is arranged at one end of the length direction of the base plate, and a pressing mechanism cooperating with the containing mechanism to press the electrochemical gas sensor lower shell on the containing mechanism is arranged at the end, away from the containing mechanism, of the base plate. The tool is simple in structure and convenient to operate, the weldingquality and the consistency can be improved, and the situation of pseudo soldering or material overflowing is avoided. The invention further provides an electrochemical gas sensor ultrasonic welding method.

The invention provides a non-line-of-sight identification and positioning method by using anchor point high-dimensional space coordinate information. The method comprises the following steps of in an N-dimensional space multilateral measurement method positioning model, expanding N-dimensional coordinates of the anchor point into N + 1-dimensional coordinates, solving the N + 1-dimensional coordinates, and measuring an error of non-line-of-sight measurement by using the N + 1-dimensional coordinates; and carrying out the non-line-of-sight identification and positioning by using the high-dimensional space coordinate information of the anchor point, and optimizing the positioning result of the to-be-positioned point. The method is suitable for two-dimensional space positioning, three-dimensional space positioning and even N-dimensional space positioning.