46 results about "Effective factor" patented technology

The invention relates to the technical field of satellite fault diagnosis and fault-tolerant control, and proposes a fault diagnosis method, which has very good robustness to external interference, isfree of influence of external interference in a fault diagnosis process, prevents generation of misinformation and missing report, and can effectively estimate fault severity. According to the satellite fault diagnosis and fault-tolerant control method based on a self-adaptive observer, first a satellite kinematics and dynamics model under an actuator fault and external interference influence isestablished to analyze influence of fault effective factors on a system; secondly, an observer is designed for a satellite fault system, a residual error evaluation function is established based on observer output and system actual output, an evaluation threshold value is obtained, and the purpose of fault detection is achieved; then, when occurrence of a fault is detected, a self-adaptive observer is designed to complete a fault diagnosis task; and finally, based on an estimated value of the fault, a finite time self-adaptive fault-tolerant controller is designed. The satellite fault diagnosis and fault-tolerant control method based on a self-adaptive observer is mainly applied to fault diagnosis and fault-tolerant control occasions.

The metal pile head set inside the sunken tube features the conic shape with large-headed horizontal pin on the inner wall. By means of the metal pile head, the sunken tube and corresponding piling method, the diameter ratio between the enlarged pedestal and the pile column may reach 1.5, and the routine enlarged pedestal has area up to 2.3 sq m and bearing capacity up to 270 T. Owing to the setting sunken tube, dry soil taking and air sucking, the pedestal enlarging process can clean the bottom of pile to reach the effective factor of 1.00. The existence of the sunken tube can ensure the reliability of the enlarged pedestal, and the bottom may be enlarged sufficiently and accurately.

The invention provides human interleukin interleukin-2 (IL-2)/Fc fusion protein. The human IL-2 of the fusion protein comprises all sequences of a human IL-2 extracellular region; the Fc fragments comprise a hinge region, a CH2 region and a CH3 region; the human IL-2/Fc sequences are fused directly or through a connection sequence; and the Fc fragments are human or animal IgG, IgM, IgD and IgA orsubtypes thereof. The ADCC and CDC effective factor action can be eliminated, and in addition, the human IL-2/Fc fusion protein has the compatibility with a recombinant IL-2 receptor so that the half-life period is obviously prolonged and also has all the biological activity of the IL-2 receptor. The IL-2/Fc obviously improves the humoral immune response stimulated by the hepatitis B vaccine and the immunity of the CD8+T cells targeted to the hepatitis B vaccine. Moreover, the balance immune (suppression) of the effective T cells and the regulatory t cells can be adjusted under the action of the cyclosporine A so that the pancreatic islet transplantation immune tolerance is induced.

The invention discloses a waste asphalt concrete gradating optimization method based on grey system theory, belonging to the material technical field. The method includes performing grading pre-treatment of waste asphalt concrete, building virtual screen size gradation among each grade of waste asphalt concrete direct screening results and the screening results after removal of asphalt, preparing macroporous asphalt concrete under the condition of different virtual screen size gradation blending proportions, performing grey relational analysis and grey correlation degree ordering by adopting porosity deviation changes of macroporous asphalt concrete as the main behavior of the system, and proportional changes of different virtual coefficients in synthesis screening as an effective factor affecting the main behavior, and choosing the virtual screen size gradation with maximum correlation as mixture ratio design basis of actual production of recycled asphalt concrete. The method can accurately control the mixture ratio design of the recycled asphalt concrete, improve recycled asphalt concrete performance, and provide theoretical guidance for application of the waste asphalt concrete in skeleton asphalt mixture.

The invention discloses a method for coal mine gas geology dynamic analysis based on GIS. In the method, based on a GIS platform, a gas geological analysis method is used to dynamically establish a gas geology mathematic model of content of gas and geological effective factors, and gas content, pressure, and other gas information is dynamically calculated and updated on the basis of dynamic variation of the effective factors. Combining with influence of geologic structure, protective layer mining, and gas extraction on gas, dynamic analysis of gas contents, pressure, and coal and gas outburst risks of coal seams in different regions of a coal mine. The method realizes dynamic analysis and calculation update of coal mine gas geological information, changes current situations that an existing technology is lack of spatial data analysis and cannot reflect geological information in time, the method is beneficial for a coal mine management layer to master gas dynamic information in time, and provides decision support for gas disaster prevention and cure, and improves gas disaster prevention and cure capability of a mine.

The invention relates to health food for improving sleep and a preparation method of the health food for improving sleep. The health food is a hard capsule preparation, comprises a capsule shell and stuffing which is prepared by taking melatonin, polygala tenuifolia extract, wild jujube seed extract, lucid ganoderma extract, white peony root extract, Chinese yam extract, liquorice extract and water-soluble pearls as main materials and supplementing with magnesium stearate. The capsule disclosed by the invention changes the condition that the health food for improving sleep on the existing market takes the melatonin as the single main raw material; the health effects of the product are improved by adding the polygala tenuifolia extract, wild jujube seed extract, lucid ganoderma extract, white peony root extract, Chinese yam extract, liquorice extract and water-soluble pearls. The technical problems that the single-component capsule has low curative effect, a certain side effect and dependency are solved. According to the scientific experiments, the melatonin is combined with the traditional Chinese medicines, and the effective factors of the traditional Chinese medicines can corporately act with the melatonin to enhance the sleep and improve the sleep quality, so that the health food has good effects in improving sleep.

The invention discloses an antibacterial antioxidant composite film, and a preparation method and application thereof. The composite film successively comprises, from exterior to interior, a PET layer, an antibacterial layer and an antioxidant layer, wherein the antibacterial layer contains a mesoporous nanometer silica supported silver-series antibacterial agent, and the antioxidant layer contains a mesoporous nanometer silica supported anti-oxidant. The invention has the following beneficial effects: (1) mesoporous nanometer silica with special morphology is prepared by using a sol-gel process and is used as a site for providing support to the silver-series antibacterial agent and the anti-oxidant, so long-acting and wide-spectrum efficacy of effective factors are guaranteed, stable release of the effective factors is guaranteed, and unfavorable influence caused by burst of drug effect is prevented; (2) the composite film provided by the invention overcomes the shortcomings that the silver-series antibacterial agent is prone to oxidation stain and that silver ions are separated out when the silver-series antibacterial agent encounters water, so the effective antibacterial period of the composite film is prolonged, and the security and hear resistance of the composite film are enhanced; and (3) since the composite film successively comprises, from exterior to interior, the PET layer, the antibacterial layer and the antioxidant layer, the service life of the composite film is prolonged.

The invention relates to the filed of molecular biology, in particular to cynoglossus semilaevis natural killer (NK)-lysin and application method of the cynoglossus semilaevis NK-lysin. NK-lysin is as the display of an amino acid sequence in sequencer (SEQ) ID No.1. The application method is that the cynoglossus semilaevis complementary deoxyribonucleic acid (c DNA) serves as a template, and a primer F1 and a primer R1 are utilized to carry out polymerase chain reaction (PCR) amplification. After a PCR product is connected with an expressive vector, plasmids (p CNK1) are obtained, the plasmids (p CNK1) are injected into fishes and the antiviral capacity and the antibacterial capacity of the fishes can be obviously intensified.

The invention belongs to the technical field of computer applications, and particularly relates to a stock price trend prediction method and system. The method comprises the following steps of S1, obtaining stock history information; S2, performing query calling on the stock history information, and selecting a plurality of candidate factors; S3, performing validity check on the selected candidate factors according to a Pearson coefficient through the stock history information to obtain effective factors; S4, building a multifactor model according to the effective factors and the stock history information; and S5, screening stocks according to the multifactor model, and selecting high-quality stocks. According to the method and the system, simple and easy stock selection operation is realized and a bargaining transaction is performed at a proper time, so that benefits are obtained and consumed time is shortened to a certain extent; and moreover, the practicality is high and the prediction stability is high.

A race condition extraction unit extracts the past race results, which are the object of statistics, based on the race conditions of a target race. A factor extraction unit extracts effective factors, which are factors related to arrival order by sorting the extracted race results in arrival order. A factor conformation judgment unit judges whether each competitor participating in the target race conforms to each extracted effective factor and attaches a score to each competitor based on the judgment result. A race prediction unit predicts the race result of the target race based on both an analysis result obtained by the conventional method and the score attached by the factor conformation judgment unit. In this way, the statistics of past race results can be used in race prediction.

The invention discloses a composite film filled with a silicon-based nanometer silver-type antibacterial agent, as well as a preparation method and application of the composite film. An outer layer of the composite film is a PET (polyethylene terephthalate) layer, and an inner layer is an antibacterial layer, wherein the antibacterial layer contains a mesoporous nanometer silicon dioxide supported silver-type antibacterial agent. (1) Mesoporous nanometer silicon dioxide with a special morphology is prepared by a sol-gel method to provide a support site for the silver-type antibacterial agent, ensure the long-lasting and broad-spectrum effectiveness of an effective factor, ensure stable release of the effective factor and prevent the negative influence of efficacy outbreak; (2) the shortcomings that the silver-type antibacterial agent is easily oxidized and discolored and silver ions are separated out by water are overcome, the antibacterial efficacy time of the composite film is further prolonged, and the safety and the heat resistance are improved; (3) the outer layer of the composite film is the PET layer, the inner layer is the antibacterial layer, and the outer layer has a mechanical supporting function as well as moisture barrier and oxygen insulation effects, so that the service life of the composite film is prolonged.

The invention discloses a method and a system for monitoring customer sentiment value. The method comprises steps as follows: customer sentiment data are collected; data with representative features are extracted; the data with the representative features are subjected to dimensionality division, and corresponding signal data are generated; a threshold value score corresponding to each threshold value is configured according to multiple threshold values of each signal data, and a signal score of the corresponding signal data is calculated; the multiple signal data are grouped, signal data groups are formed, and signal group scores of the signal data groups are calculated; a customer sentiment index of customer sentiment value is calculated and reflected with a weighted average algorithm according to the signal data groups and the corresponding signal group scores. Effective factors influencing customer satisfaction are automatically analyzed according to related customer data from various data sources and with various dimensionalities, the customer sentiment index is quickly calculated, and the satisfaction of a current customer for products and service can be known constantly in real time.

The invention discloses a method for identifying animal blood on the basis of near-infrared spectrum technologies and application of the method, and belongs to the field of technologies for identifying, detecting and analyzing adulteration of blood products. The method includes respectively scanning pure animal blood standard samples and animal blood samples to be subjected to adulteration examination to acquire original spectra of the pure animal blood standard samples and the animal blood samples by the aid of near-infrared analyzers; carrying out spectral pre-processing on near-infrared spectral data obtained by means of scanning; extracting effective factor numbers by means of factor analysis; establishing Fisher linear discriminant analysis models by the aid of selected effective factors; carrying out linear discriminant analysis on the to-be-examined samples by the aid of Fisher linear discriminant functions of the pure animal blood standard samples to obtain prediction classification results and images; comparing the images of the pure animal blood standard samples and the to-be-examined animal blood samples to one another and identifying the to-be-examined blood samples so as to identify whether the to-be-examined samples are adulterated or not. The method and the application have the advantages that the method is high in identification accuracy, the correct discriminant rate of different varieties of blood samples can reach 100%, and the method is applicable to identifying animal blood products.

The present invention discloses a preparation method for a sulfamate formaldehyde condensate and belongs to the field of concrete water reducing agents. The preparation method for the sulfamate formaldehyde condensate comprises: adding raw material water, sodium p-aminobenzesulfonate, phenol, acetone and alkali liquor; carrying out a reaction at a certain temperature,; and then adding urea and acrylamide. According to the preparation method provided by the present invention, by controlling an adding sequence of the raw materials, the reacting time and the temperature, molecular chains of urea, formaldehyde and a mixture are recombined and the molecular weight is changed, and meanwhile acrylamide is grafted as a branched chain, an amide effective factor is introduced, the molecular structure of the amino is changed, the dispersion property of the water reducing agent is changed, and a phenomenon of bleeding and hardening of concrete is improved, so that the concrete has a better performance and meanwhile the effective time is prolonged, and the slump retaining aspect is further improved.

To provide an effective factor extraction system in which samples are generated artificially from a sample group and a virtual sample set is created so that even when the number of sample is relatively small, specific factors can be selected/extracted with high reliability by using the virtual sample set. The effective factor extraction system comprises a section (3) for extracting samples arbitrarily from sample sets (X(15), Y(16)) and creating a plurality of paired virtual sample sets (X(17), Y(18)), a statistical quantity operating section (5) for reading out the feature value held by sample contained in respective virtual sample sets and operating the average value and the variance, a section (6) for operating Fisher ratio from the average value (21) and the variance (22), and a section (8) for testing significant factors using the operated Fisher ratio.

The invention discloses an investment object selection method and device and a computer readable medium. The investment object selection method comprises the steps of determining candidate factors; performing regression calculation on each candidate factor, and obtaining a correlation coefficient, an information ratio and three-grade Sortino ratio corresponding to each candidate factor; determining an effective factor according to the correlation coefficient, the information ratio and the three-grade Sortino ratio corresponding to each candidate factor; and selecting an investment object fromall funds according to the effective factor and the information ratio corresponding to the effective factor. Therefore, the investment object selected according to the method can pursue steady incomewhile significantly reducing the risk.

The invention discloses an extraction method and an extraction system for a time of impact of a high-speed rigid body on a moving target on a water surface. The method includes the following steps: step 1. receiving a submarine sound signal of the impact of the high-speed rigid body on the moving target on the water surface by utilizing a hydrophone; step 2. performing filtering processing on thesubmarine sound signal; step 3. setting an effective factor of a signal amplitude; step 4. calculating a mean value of the submarine sound signal; step 5. marking all peak points; and step 6. resolving a point of intersection of a start oscillation point of a first peak value and the mean value, wherein the point of intersection is the impact time. The method obtains the time of the impact of thehigh-speed rigid body on the moving target on the water surface based on the submarine sound signal, can calculate time delay information between different primitives in a synchronous beacon type by utilizing the time, and can resolve a landing position of the rigid body through combination of a space intersection principle.

The invention discloses a compound soft capsule of cordyceps oil and a process for preparing the same. An improved supercritical carbon dioxide process is adopted to extract the cordyceps oil which is used as a main active ingredient to be prepared into the compound soft capsule. The process is simple and is easy to realize industrialization, the extracted cordyceps oil has high transparency, the maximum oil yield reaches 1.5 percent, and no organic solvent is used in extraction to ensure the natural activity of the cordyceps oil; and the formulation combination of the compound soft capsule is novel and unique, and is based on scientific original creation to effectively improve the effect of functional components, thus the strengthening effect of the functional components is improved, the absorption rate of effective factors by a human body is improved, and the medicinal function is greatly improved.

The invention provides a spacecraft double-drum parallel connection structure bearing design method based on multi-constraint conditions. The spacecraft double-drum parallel connection structure bearing design method comprises the steps of building a finite element model of a bearing cylinder overall structure; conducting static analysis on the finite element model and extracting maximum stress ofan inner drum and an outer drum; conducting dynamic analysis on the finite element model, and tracking the longitudinal, transverse and torsional first order main frequency of the bearing cylinder overall structure through modal effective factors; with minimizing the bearing cylinder overall structure weight being a target, optimizing and analyzing the bearing cylinder overall structure through stress permission constraint conditions and frequency constraint conditions which are set in advance to obtain the mass of a bearing cylinder; distributing the bearing proportion of the outer drum andthe inner drum to achiecve joint bearing of the outer drum and the inner. Resource configuration and optimization are achieved, and meanwhile, the union of the outer drum and the inner drum can achieve joint bearing of a large effective load.