104 results about "Factor level" patented technology

The invention discloses Lactobacillus fermentum suo for adjusting intestinal tract motion and preventing constipation and a use thereof. The Lactobacillus fermentum suo has a preservation number of CCTCC NO: M2013511, has strong acid resistance, has a survival rate of 92.46+ / -4.06% after being arranged in an artificial gastric juice with a pH value of 3.0 for 3h, can slowly grow in cholate with a concentration of 1.0%, has a growth rate 17.36+ / -1.19% that of cholate-free culture, has cell hydrophobicity of 68.44+ / -2.48% and can normally grow in the human intestinal tract. Lactobacillus fermentum suo can relieve constipation-caused mouse weight reduction, reduce tarry stool excretion time, improve a small intestine propulsion rate, improve serum MTL, Gas, ET, AchE, SP and VIP factor levels to different degrees, reduce a SS factor, improve food intake and water intake, relieve reduction of a stool excretion mount, the number of stool particles and stool water content and can produce a certain constipation prevention effect similar to those of constipation treatment drugs.

The invention relates to the technical field of injection molding and especially relates to a method for multi-objective quality comprehensive evaluation optimization of an injection molding technology. The method comprises the steps that response data of each quality index is obtained through combination of an orthogonal experiment method and mold flow analysis software Moldflow; then, by a variation coefficient method, the weight of each quality index in comprehensive evaluation quality is determined; secondly, a technique for order preference by similarity to an ideal solution is used to compute a relative similarity degree between each sample point and an ideal sample point; experimental sequence sequencing is conducted, wherein the priority is higher with the larger relative similarity degree; and then, a relative similarity mean and a range of each factor level are computed, and an influence tendency picture of the relative similarity means and factor levels is drawn, so factor main effects can be obtained. In this way, an optimal technological parameter combination with consideration of multi-objective quality can be obtained.

The invention discloses compound traditional Chinese medicine for treating endometriosis. The compound traditional Chinese medicine comprises, by weight, 8-12 parts of Pollen Typhae, 8-12 parts of trogopterus dung, 1-3 parts of dragon's blood, 12-20 parts of astragali radix, 8-12 parts of dipsacus root, 8-12 parts of roasted myrrh, 8-12 parts of corydalis yanhusuo, and 8-12 parts of szechwan chinaberry fruit. The invention further discloses a preparation method and application of the compound traditional Chinese medicine. The compound traditional Chinese medicine brings the advantages of multi-targeted treating of traditional Chinese medicine into full play. Lab observation of development of ectopic endometrium in a drug inhibited rat endometriosis model shows that the compound traditional Chinese medicine can inhibit development of endometriosis in terms of inhibiting cell proliferation, angiogenesis and invasion in ectopic endometrium tissues, lowering inflammatory cell factor level in peritoneal fluid and the like.

The embodiment of the invention discloses a method, device and system for calculating laser processing system technological parameters. The method for calculating the laser processing system technological parameters includes the steps of adopting a control variable method and various initial values to determine all first good intervals which are in one-to-to correspondence with all influence factors, wherein all the initial values correspond to all the influence factors; adopting a golden section method to determine factor levels which correspond to all the influence factors respectively fromall the first good intervals; according to all the factor levels, establishing a factor level list and a orthogonal form, and according to the factor level list and the orthogonal form, carrying out an orthogonal experiment for the first time to obtain first experiment results; according to the first experiment results, determining characteristics of all the influence factors and all good levels,wherein all the good levels are in one-to-one correspondence with all the influence factors; according to the characteristics of all the influence factors and all the good levels, determining an optimal technical parameter combination. By the adoption of the method, device and system for calculating the laser processing system technological parameters, the accuracy of the factor levels, the accuracy of the factor level list and the accuracy of the orthogonal form are improved, and therefore the accuracy of the optimal technical parameter combination is improved.

The invention discloses an electron beam cladding process parameter optimization method based on an orthogonal method and an electron beam cladding process parameter optimization system based on the orthogonal method. The electron beam cladding process parameter optimization method comprises the following steps: acquiring process parameter factors required to be optimized; performing univariate experiments on the process parameter factors respectively to obtain factor levels; according to all the factor levels, generating an orthogonal experimental table; sequentially performing a cladding test on each set of scheme in the orthogonal experimental table to obtain target parameter values; according to the target parameter values, acquiring the extremely poor value of each factor; according to the extremely poor value of each factor, determining the optimal level of each factor; according to the optimal level of each factor, acquiring an optimized process parameter combination. Through adoption of the electron beam cladding process parameter optimization method or the electron beam cladding process parameter optimization system, a complicated experimental cycle can be effectively avoided and unnecessary data processing is reduced.

The invention discloses a robust design method for a metal corrugated pipe hydraulic bulging process. The method comprises the following steps: selecting a quality evaluation index for optimizing thecorrugated pipe hydraulic bulging process as an optimization target and an optimization constraint condition; enabling material parameters to serve as noise factors, process parameters to serve as controllable factors, and formulating a factor level table; performing a virtual test by adopting a Taguchi robust design method, and calculating each process condition combination in the test table to obtain a quality characteristic result; calculating the signal-to-noise ratio of the quality characteristic according to the obtained quality characteristic result, converting the signal-to-noise ratiointo standardized quality loss, and synthesizing comprehensive quality loss; selecting the comprehensive quality loss as an optimization target, and constructing a response surface robust model of the comprehensive quality loss and a design variable by adopting a regression method; and solving an optimal value of the constructed response surface robust model of the comprehensive quality loss andthe design variable by using a genetic algorithm. The method can solve the problems that in the traditional metal corrugated pipe hydraulic bulging process, quality control is inaccurate, the productpercent of pass is low, and consistency is poor.

The invention provides a culture medium and a method for producing phytase by using vinegar residues as raw materials through solid fermentation. The adopted culture medium of the method comprises vinegar residues, glucose and bean slag, wherein according to the total weight of a solid culture medium, the content of the glucose is 7.2 percent by weight, and the content of the bean slag is 5.1 percent by weight. By a PB test, three factors of the glucose, the bean slag and fermentation time which have obvious influence for a fermentation result are obtained and a method of steepest ascent is adopted to select factor levels of a maximum response value for the selected important factors, then, a central composite test is adopted to be combined with response surface analysis (RSM) to obtain arelational expression between the response value and the important factors, and the important factor level of the maximum response value is calculated, thereby an optimal fermentation condition for producing the phytase through the solid fermentation is ensured, namely, the content of the glucose is 7.2 percent by weight, the content of the bean slag is 5.1 percent by weight, and the fermentationtime is 271 hours. By a verifying test, the activity even value of the phytase is 98.37U / g DMR under the condition.

A robust design method for a textile-manufacturing-dedicated, high-efficient, energy-saving, multiphase asynchronous motor, includes the following steps: designating a motor; designating design method; designating design variables of the high-efficient, energy-saving, multiphase asynchronous motor; building mathematical models of each index respectively to constitute a robust design model with multiple indexes; building the controllable factor level table; selecting appropriate orthogonal table according to the number of the optimizing variables and the level number of each variable; building an inner orthogonal table for inner design; building an outer orthogonal table for outer design; computing the values of the output characteristics and signal to noise ratio of the experimental schemes determined by the inner and outer orthogonal tables; determining the optimal combination of parameters; going through tolerance design; drawing the parts of the textile-manufacturing-dedicated, high-efficient, energy-saving, multiphase asynchronous motor according to the optimal design scheme, wire-cutting the mold, dieing, laminating, coiling, inserting windings, dipping paint and assembling. Combining the actual operating characteristics of textile-manufacturing-dedicated motor, a high-efficient, energy-saving, multiphase asynchronous motor with stable performance, reliable operation and low cost is achieved. The motor achieves the optimal balance between the quality and cost, and enhances the market competitiveness.