57 results about "Orthogonal rotation" patented technology

A rotational motion-positioning apparatus capable of generating rotational movement about three orthogonal rotational axes. A first axial cam and second axial cam are supported by a rotational joint base. A rotational joint is attached between the rotational joint base and a work load support. The work load support has at least one first axial cam follower tracking the first axial cam rotation, thus rotating the work load support about the rotational joint first rotational axis. The work load support has at least one second axial cam follower tracking the second axial cam rotation, thus rotating the work load support about the rotational joint second rotational axis. The rotational joint base is supported by and rotatable about a housing, thus rotating the work load support about the third rotational axis. Three rotational drive unit are attached to the housing to rotate the first axial cam, second axial cam and rotational joint base.

The invention relates to a forming method of a rotatably overlaying swirler and belongs to the technical field of machining. The forming method is applicable to processing of swirlers enabling fuels and air to be fixed. Two impellers in the same blade shape are processed in a linear cutting method and are respectively subjected to spark cutting in blade shapes to process spaces and connection positions; each blade rotates in the orthogonal rotation mode in the anti-clockwise direction with the center line as the axis, and the two rotated impellers are correspondingly overlapped and horizontally rotate for 180 / n degrees with the center as the axis to lead the space between two adjacent blades to be identical; and the two impellers are fixedly welded to obtain the swirler. The forming method reduces requirements for processing technology, devices and processes, saves processing time and improves efficiency.

The invention discloses an experimental research method for promoting rooting of a pomegranate. The experimental concentration is designed by comprising seven factors in five levels through a plurality of common hormones (IBA, 2,4-D (2,4-Dichlorophenoxyacetic acid), gibberellin or 920 (GA3), NAA, ABT, 6-benzyladenine or cytokinin (6-BA) and VB1) through a scientific experimental method, a computer mathematical model is set up according to different measuring results through a orthogonal rotation combination regression design method, and a method of a compound decision scheme for improving the pomegranate cottage rooting rate is screen through calculation and analysis.

The invention belongs to the field of plastic coloring, and provides an optimization method for preparation of a full-biodegradable color masterbatch with high covering property. The method comprisesthe steps: biodegradable resin, a plasticizer and a pigment are put into twin screws and are granulated, temperature sensors are arranged at all areas of the extruder screws, technological parametersin the processing process are automatically collected, a response surface analysis method is adopted, a ternary quadratic regression orthogonal rotation experiment is applied to preparation technologyanalysis, the covering property is characterized by the light transmittance rate, and the regression equation is used for simulating the influence of various technological conditions (the plasticizerratio, the screw rotating speed and the temperature) on the covering property in the twin screw processing process; then the factors affecting the covering property in the process of extrusion granulation of the biodegradable color masterbatch are rapidly and conveniently obtained; next, the processing conditions can be controlled according to the influence degree to obtain the corresponding color masterbatch which conforms to the covering property condition; and finally, the best technological parameters of the biodegradable color masterbatch with high covering property can be obtained quickly in the preparation process of the biodegradable color masterbatch.

The invention discloses a rotated experience orthogonal decomposition-based irradiance area division method which mainly comprises the steps of performing standardized matrix averaging on annual total radiation amount data; performing EOF (experience orthogonal function) decomposition on an annual total radiation variable field matrix based on the standardized matrix averaging result of the annual total radiation amount data; based on the EOF decomposition result of the annual total radiation variable field matrix, rotating a load matrix and a factor matrix according to a varimax orthogonal rotation principle, and respectively calculating a variance contribution rate and an accumulative variance contribution rate; dividing irradiance areas according to the calculation results of the variance contribution rate and the accumulative variance contribution rate. By adopting the rotated experience orthogonal decomposition-based irradiance area division method, the defects of poor stability, low energy conversion efficiency, poor environmental friendliness and the like in the prior art can be overcome to realize the advantages of good stability, high energy conversion efficiency and good environmental friendliness.

The invention discloses low elasticity modulus novel medical zirconium alloy and a designing method thereof. The low elasticity modulus novel medical zirconium alloy disclosed by the invention is prepared from the raw materials in atomic percent: 0.1at.% to 3at.% of tin, 3at.% to 5at.% of copper, 0.1at.% to 15at.% of niobium and the balance of zirconium. The designing method of the low elasticitymodulus novel medical zirconium alloy comprises the steps: utilizing a quadratic regression orthogonal rotation combination design to perform ingredient design to obtain an experiment scheme; then converting atomic percent of all alloy elements in the scheme into weight percentage to obtain a weight ratio scheme; performing alloy preparation, a compression experiment and further phase analysis anda microscopic structure observing experiment according to the weight ratio scheme obtained from the combination design; then utilizing SPSS to analyze experiment results and finally obtaining a mathematic model of alloy performance and alloy elements. The zirconium alloy designed out according to the mathematic model has the advantages of low elastic modulus, moderate compression strength and yield strength, high elastic energy and ability in meeting a requirement of clinical medicine to an implant material.

A method of dividing irradiance regions based on rotated empirical orthogonal function includes following steps. A standardized matrix averaging on annual total radiation amount data is performed. An empirical orthogonal function decomposition on an annual total radiation variable field matrix is performed based on the standardized matrix averaging result of the annual total radiation amount data. A variance contribution rate and an accumulative variance contribution rate are calculated by rotating a load matrix and a factor matrix according to a varimax orthogonal rotation principle based on the empirical orthogonal function decomposition result of the annual total radiation variable field matrix. The irradiance regions are divided according to results of the variance contribution rate and the accumulative variance contribution rate.

The invention provides a method for preparing egg-chicken feeds by utilizing lactobacillus fementation, which belongs to the field of poultry animals feeds, and uses corns and mixed meal as raw materials, and applies lactobacillus fementation to prepare egg-chicken feeds. The method for preparing the egg-chicken feeds by utilizing the lactobacillus fementation designs and tests through a quadratic regression orthogonal rotation combination design method, builds an orthogonal regression model, analyzes the orthogonal regression model to obtain fermentation parameters of lactic acid bacteria for preparing high lactic acid bacteria egg-chicken feeds, microbial strains which are used during fementation of lactic acid bacteria are mixed bacteria of lactobacillus plantarum and lactobacillus acidophilus, the volume radio of the lactobacillus plantarum and the lactobacillus acidophilus in the mixed bacteria is 1:1, and the number of lactic acid bacteria in the mixed bacteria in each milliliter is not lower than 108. The method for preparing the egg-chicken feeds by utilizing the lactobacillus fementation obtains the fermentation parameters of the lactic acid bacteria for preparing the high lactic acid bacteria egg-chicken feeds by building the orthogonal regression model, and improves number of live bacteria of the lactic acid bacteria in the egg-chicken feeds.

The invention discloses a method for measuring carbon content of fly ash in a power station boiler. The method is characterized in that 1, combustion factors influencing the carbon content of fly ashare decomposed into hot wind temperature factor, burnout factor, primary air pressure factor and coal quality factor; 2. according to the orthogonal rotation, a factor component matrix after the maximum variance orthogonal rotation is used to obtain the influence weight of four factors; and a factor analysis model is established for the carbon content of fly ash. Compared with other modeling methods, the modeling method is not constrained by algorithms, and the practicability is stronger in a DCS system; data is more comprehensive than other single algorithms; compared with hardware measurement, the adaptation of parameters is stronger; the method has the advantages of advancement, high sensitivity, good stability, high measurement accuracy, strong universality and the like, and can be widely used in electric power and other fields.

The invention, which belongs to the technical field of confocal microscopic imaging, spectral detection and laser inertial confinement nuclear fusion, discloses a laser-differential-confocal-technology-based method and device for comprehensively measuring morphological performance parameters of a nuclear fusion pellet. According to the invention, on the basis of combination of the laser differential confocal technology with the Raman spectroscopy detection technology, precision tomography focusing fixing is carried out on inner and outer surfaces of a laser fusion pellet shell layer by using the laser differential confocal technology; spectral excitation detection is carried out on the shell and interface of the pellet by using the Raman spectroscopy detection technology; and on the basisof the orthogonal rotation driving technology, three-dimensional rotation driving is performed on the pellet to obtain three-dimensional shape parameters of the inner and outer surfaces of the pelletand shell / interface performance distribution parameters, thereby realizing comprehensive measurement of the morphological performance parameters of the nuclear fusion pellet. Therefore, the data baseand detection way are provided for the laser inertial confinement nuclear fusion simulation experiment research, pellet preparation process research and pellet screening. The laser-differential-confocal-technology-based method and device have the broad application prospects in the fields of laser inertial confinement nuclear fusion, high energy physics and precision detection.