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197results about How to "Embody superiority" patented technology

Nimodipine lipid microsphere injection and preparation method thereof

The invention provides a nimodipine lipid microsphere injection, which is prepared from the following components in percentage by weight: 0.08 percent of nimodipine, 0.5 to 2.3 percent of lecithin for injection, 2 to 8 percent of soybean oil for injection, 2 to 8 percent of medium chain fatty acid for injection, 1 to 3 percent of glycerin, 0.1 to 0.2 percent of tween-80, 0.03 to 0.05 percent of sodium oleic acid, and the balance being water for injection. The preparation method comprises steps of preparation of an oil phase, preparation of water phase, preparation of colostrum, homogenization and canning. In the nimodipine lipid microsphere injection, the soybean oil for injection and the medium chain fatty acid for injection are used to prepare the oil phase, the nimodipine is a fat soluble drug and can be better dissolved in the oil phase, the lipid microsphere in which the soybean oil for injection is the main component has solvent characteristics, is non-toxic, and can guide the fat soluble drugs to be dissolved in emulsion particles and perform the metabolism along with lipid oil drops and slowly release, thereby maintaining the effective blood concentration, lowering toxic and side effects of the drugs, increasing the solubility and stability of the nimodipine drug, improving the drug-loading rate and reducing the hydrolysis of the drugs.
Owner:沈阳信康药物研究有限公司

Laser hybrid light source projector and light source device thereof

InactiveCN104122742AEliminate the influence of aperture effectEliminate natural enemiesProjectorsGreen ledLaser projector
The invention relates to a laser hybrid light source projector and a light source device thereof. The light source device comprises a blue LED light source, a red LED light source, a green LED light source, lens groups at the front ends of the light sources, a blue semiconductor laser tube, a lens group at the front end of the blue semiconductor laser tube, a spectroscope A and a spectroscope B; the surface of the green LED light source is provided with green fluorescent powder; the green LED light source is opposite to the semiconductor laser tube, the spectroscope B is located between the green LED light source and the semiconductor laser tube, the blue LED light source is arranged at one side of the spectroscope B, and the spectroscope A is arranged at the front of the red LED light source. The laser hybrid light source projector does not use the light source system of a laser projector with a color wheel, so that the influence of the color wheel on the picture quality is avoided; the blue semiconductor laser irradiates the fluorescent powder on the green LED, the brightness of the original green LED is obviously improved without increasing the numerical aperture of the light emitting area of the LED, and accordingly the output brightness of the projector is improved.
Owner:HANGZHOU JIN LI OPTOELECTRONICS TECH +1

Virtual power plant double-layer optimization model considering network constraints

The invention relates to the technical field of power systems and automation thereof, and particularly relates to a virtual power plant double-layer optimization model considering network constraints.The method comprises the specific steps of establishing an upper-layer virtual power plant profit maximization model, establishing a lower-layer market clearing model considering network constraints,converting the double-layer optimization model into a mathematical programming model with balance constraints, and converting the mathematical programming model with the balance constraints into a mixed integer programming model. In order to overcome the defect that line transmission power constraint is not considered in current related research, internal optimization of the virtual power plant and interaction with a market operator and other conventional units are fully considered, a market bidding optimization model in which the virtual power plant participates is established, an optimization bidding strategy is generated under the condition that line power transmission is blocked, the superiority of the bidding strategy is embodied, the profit of the virtual power plant is improved, and the model is close to the practical situation. Scientific theoretical support is provided for the virtual power plant to effectively participate in the power market in future.
Owner:ELECTRIC POWER RES INST OF GUANGXI POWER GRID CO LTD

Local signal to noise ratio-based interferogram filtering method

The invention relates to a local signal to noise ratio-based interferogram filtering method. According to the method, interferograms in a sliding window are subjected to filtering sequentially by the sliding of the window in the interferograms, wherein a method for performing the filtering on the interferograms in the sliding window comprises the following steps of: decomposing interferometric phases of the interferograms in the sliding window to obtain estimation frequency components of the interferograms in the sliding window; calculating according to the interferometric phases and the estimation frequency components to obtain a local signal to noise ratio of the interferograms in the sliding window; calculating according to the local signal to noise ratio to obtain a filtering parameter; and performing the filtering on the interferograms in the sliding window according to the filtering parameter. By the method, the degree of local noise in the interferograms can be estimated accurately, and the loss of filtering to the phase information of the interferograms is reduced while the noise reduction of the conventional filtering method is provided, so that integral superiority is embodied.
Owner:CENT FOR EARTH OBSERVATION & DIGITAL EARTH CHINESE ACADEMY OF SCI

Temperature field analysis method of bituminous mixture test piece on the basis of discrete element simulation

The invention discloses a temperature field analysis method of a bituminous mixture test piece on the basis of discrete element simulation, belongs to the technical field of bituminous mixture, and solves the problem that a finite element method can not accurately analyze the internal temperature field of the bituminous mixture test piece in a high-temperature environment. The temperature field analysis method comprises the following steps: firstly, forming the bituminous mixture test piece, collecting a digital image of irregular aggregate distribution, and converting the digital image into a digital test piece of a two-dimensional CAD (Computer-Aided Design) image format after the digital image is subjected to image processing; then, importing discrete element software, independently generating irregular aggregate and bituminous mortar according to the positions of aggregate blocks and the bituminous mortar, and constructing a two-dimensional test piece discrete element model; simulating a situation that the test piece is heated in the high-temperature environment, setting a boundary condition of the test piece model, the thermophysical property parameters of the aggregate and the bituminous mortar and the internal contact thermal resistance of a unit; and applying certain constant-high-temperature and room-temperature heat flow around the test piece model, recording the temperature change situations of each point in the test piece at different moments, drawing a comparison graph, and combining with a temperature field and a heat flow distribution cloud chart generated by the software to analyze the temperature field of the bituminous mixture test piece.
Owner:NANJING FORESTRY UNIV

Intelligent vibration damping device based on SMA variable-rigidity spring and working process

The invention discloses an intelligent vibration damping device based on an SMA variable-rigidity spring and a working process. The device comprises a vibration monitoring part, a working chamber temperature control part and a vibration damper main body part. The vibration monitoring part is composed of an oscilloscope, a cable and a sensor probe, the working chamber temperature control part is composed of a temperature display, a temperature regulator, a wire, a temperature sensor, a miniature refrigerator and a heater, and the vibration damper main body part is composed of an aluminum spring, a center moving shaft, a rubber gasket, a high damping tension sleeve, an NiTi-SMA spring, a movable sliding block, a hinged short bar and a metal shell. According to the intelligent vibration damping device based on the SMA variable-rigidity spring and the working process, a rigidity change rule presented by the NiTi-SMA spring which has the temperature sensitive characteristic under different temperatures is utilized, and the functions of intelligent vibration damping and vibration avoiding of a novel vibration damper are achieved; the intelligent vibration damping device has the advantages that the device is intelligent and controllable, the effect is obvious, the structure is simple, and machining is convenient; and the device is suitable for vibration damping systems of various large, medium and small scales industries and equipment for civil use.
Owner:XI AN JIAOTONG UNIV

Multi-objective confidence gap decision-making robust optimization scheduling method for integrated energy system

The invention relates to the technical field of comprehensive energy system optimal scheduling and relates to a multi-objective confidence gap decision-making robust optimization scheduling method foran integrated energy system. The method comprises the following steps of: combining the confidence interval of a Gaussian mixture probability model and the robust thought of an information gap decision theory to establish a confidence gap decision model based on robust driving; based on the confidence gap decision model, combining a plurality of optimization objectives of the integrated energy system, and constructing a multi-objective confidence gap decision robust optimization scheduling model of the integrated energy system; and designing an adaptive harmonic aliasing multi-objective composite differential evolution algorithm to solve the multi-objective confidence gap decision robust optimization scheduling model of the integrated energy system. The uncertainty modeling and optimization thought based on confidence gap decision provided by the invention provides a new thought for the scheduling of the integrated energy system, and can be further expanded to other research fields such as the planning of integrated energy systems, the coordinated operation of multi-region integrated energy systems and the like.
Owner:EAST CHINA JIAOTONG UNIVERSITY

Kernel extreme learning machine-based virtual extension method for leaked gas monitoring concentration data

The invention discloses a kernel extreme learning machine-based virtual extension method for leaked gas monitoring concentration data, and relates to the technical field of dangerous chemicals. The extension method comprises the steps of firstly selecting position point coordinates Xs and Ys and concentration data of a monitored space region S1 as a training sample set, wherein coordinate values are input values of a network, and the concentration data serves as an output value of the network, so that the network is constructed and trained; and secondly determining coordinates (XPn, YPn) according to space positions S2-S1 of virtual monitoring points needed to be extrapolated or interpolated, wherein n is a predicted point number, the predicted point number forms input values in a predicted sample set together with the coordinates in the training sample set and is input to the trained network, the output value of the network is a to-be-predicted target value, namely, gas concentration data of all monitoring points of a virtually extended space S2, and data on an initial monitoring surface S1 is kept unchanged. According to the method, the source characteristic inverse computation precision is effectively improved without adding the monitoring points; and moreover, the workload is reduced and the working efficiency is improved.
Owner:HARBIN UNIV OF SCI & TECH
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