83results about How to "Reflect the actual situation" patented technology

The invention provides a two-dimensional motion slamming test device. The two-dimensional motion slamming test device comprises a mobile bracket, a gliding module and a hoisting module, wherein a lower portion of the mobile bracket is provided with a rolling wheel, the mobile bracket is arranged at a track of a towing tank through the rolling wheel, the gliding module comprises an outer framework mounted on the mobile bracket, four steel trails mounted on the outer framework, and connection components sliding on the steel rails, and the hoisting module comprises a crane mounted at a top portion of the outer framework and an electromagnet connected with a lower portion of the crane. The two-dimensional motion slamming test device is mainly used for simulating a phenomenon of a hull slamming with waves during two-dimensional motion and measures change of a slamming load in a slamming process in real time. The two-dimensional motion slamming test device can accurately reflect a practical situation of the underway hull slamming with the waves.

The invention provides a method for realizing community discovery in social networking. The method comprises the following steps of: for any node in the social networking, computing the dependence of other nodes in the social networking on the node, and finding k nodes with the highest dependence as k neighbors of the node; selecting an unprocessed node from the social networking, and executing the next step until the nodes in the social networking are all processed; and judging whether the k most dependent nodes of the unprocessed node meet the requirements of a k community or not, re-executing the previous step after a community is output if the k most dependent nodes of the unprocessed node meet the requirements of the k community, and if the k most dependent nodes of the unprocessed node do not meet the requirements of the k community, selecting a subset from a set formed by the k most dependent nodes of the unprocessed node, judging whether the selected subset meets the requirements of the k community or not until the community meeting the requirements of the k community is found or all subsets are judged, and re-executing the previous step.

The invention provides a manufacturing method of an orthodontic implant anchorage guide plate and the orthodontic implant anchorage guide plate. The orthodontic implant anchorage guide plate is manufactured by the following steps of obtaining three-dimensional image data of an oral cavity of a patient, and establishing a virtual oral cavity model; obtaining three-dimensional image data of alveolarbone and three-dimensional image data of tooth root, and establishing a virtual alveolar bone model and a virtual tooth root model; according to the virtual oral cavity model, generating a virtual guide plate model; fixing the relative positions among the virtual guide plate model, the virtual alveolar bone model and the virtual tooth root model; according to the positions of the virtual alveolarbone model and the virtual tooth root model, establishing a virtual guide through hole model on the virtual guide plate model; outputting three-dimensional image data of the virtual guide plate model; according to the three-dimensional image data of the virtual guide plate model, manufacturing the orthodontic implant anchorage guide plate with a guide through hole. The orthodontic implant anchorage guide plate has the advantage that by arranging the guide through hole, the position and angle of an implant anchorage screw are limited, so that the implant anchorage screw can be accurately abutted against the tooth root of the deformed tooth, and the treatment effect is guaranteed.

The embodiment of the invention provides an urban power grid reliability evaluation method taking power generation, power transmission and power distribution systems into integrated consideration. The method mainly comprises the following steps: first of all, an urban power grid is divided into a power transmission network layer, a high-voltage distribution network layer and an intermediate-voltage distribution network layer; according to data of a power transmission network, calculating a reliability index of the power transmission network layer by use of a set algorithm, and converting the reliability index at a bus of the power transmission network layer into a power supply of the high-voltage distribution network layer through an equivalent power supply mode; converting a reliability index of a terminal bus at the high-voltage distribution network layer into a power supply of the intermediate -voltage distribution network layer through an equivalent power supply mode; and according to data of the intermediate-voltage distribution network layer, calculating a reliability index of the intermediate-voltage distribution network layer by use of the set algorithm. The urban power grid integrated reliability evaluation method provided by the embodiment of the invention effectively avoids the defect of only individual reliability evaluation of a power transmission network or a power distribution network, takes influences exerted by the power transmission network on the power distribution network into integrated consideration, and can truly reflect the power reliability of a power system.

The invention provides a voltage sag evaluation process based on a matrix factor. The process includes the steps that (S1) a voltage sag evaluation object is determined, and voltage sag data of a common coupling node of the voltage sag evaluation object are measured; (S2) the voltage sag data are analyzed and sorted, and a voltage sag sensitivity matrix and a voltage sag frequency matrix are built; (S3) a voltage interruption frequency matrix on the common coupling node is computed, and voltage interruption times are obtained through the voltage interruption frequency matrix. By means of the process, actual conditions of equipment when voltage sag occurs during operation of a system can be truly reflected, and the process is suitable for computer processing.

The present invention discloses a method and a device for measuring orthotropic membrane structure elastic modulus, by research and analysis of orthotropic membrane mechanical characteristics, a new method for measuring the orthotropic membrane structure elastic modulus is provided, a measurement theoretical formula is deduced, then the theory correctness can be o verified by experiments, and finally the measuring device applied to engineering practices can be made. The method can be directly applied to measuring of orthotropic and homogeneous membrane elastic modulus, and is a simple and effective measurement method.

The invention discloses a satellite information system topological structure optimization method based on a core-degree product. The method comprises the following steps: firstly, abstracting a satellite information system to obtain a corresponding directed graph; secondly, introducing a concept of generalized degree and calculating the generalized degree of each node in the directed graph; thirdly, calculating the node core-degree product of each node in the directed graph and the importance of links; and lastly, comparing the node core-degree products of all nodes in the directed graph with a set node core-degree product threshold value as well as the importance of all shortest links between two nodes in the directed graph with a set link importance threshold value in sequence to obtain nodes to be optimized in a topological structure, and optimizing the nodes to be optimized. Compared with the prior art, the method has the advantages that the importance of each node is distinguished through introduction of the generalized degrees, and the degree or betweenness of each node as well as the importance of the nodes and links in the topological structure are considered, so that the whole topological structure can be optimized more accurately and comprehensively.

The invention relates to a method for processing a medical image. The method comprises the following advantages: obtaining a tomogram of the medical image; drafting a first ROI and a second ROI on the tomogram; and performing overlapping processing on the first ROI and the second ROI so as to enable the portions, which are corresponding to a continuous tissue structure, on first ROI and the second ROI to be connected together. The invention also relates to an apparatus for processing a medical image.

The invention provides a pipeline anomaly classification method based on middle-level features, which relates to the field of pipeline nondestructive detection and data mining. The method comprises the following steps of 1 preprocessing the pipeline magnetic flux leakage signal; 2 acquiring a magnetic flux leakage data sample set; 3 generating dominant characteristics of magnetic flux leakage datasample; 4 generating that middle layer characteristic of the magnetic flux leakage data sample based on the BOW model, calculating the difference characteristic vector for each sample circle frame; classifying the clustering difference eigenvector set by K-Means clustering to get k visual words; counting the frequency of each visual word in each sample, and obtaining the middle feature vector ofeach sample; 5 based on a feature fusion algorithm of joint sparse representation, fusing the dominant feature and middle feature of samples to form a joint sparse matrix and classifying the samples by using classification discriminant function. The method of the invention solves the technical problems of low accuracy of feature extraction and classification of pipeline abnormality and undesirabledetection effect in the prior art.

The invention discloses a blood glucose analysis system based on the APP technology and the cloud computing technology. The blood glucose analysis system is characterized by comprising an App user register log-in module (1), an App blood glucose data collection module (2), an App positioning module (3), an App data storage module (4), an App blood glucose input tracking module (5), a cloud terminal analysis module (6) and a cloud terminal blood glucose test paper information maintenance module (7). A color generation reaction zone of a piece of blood glucose test paper and standard color spectra are captured through a camera, operated through the App technology, in an intelligent terminal device, comparison between the color generation reaction zone of the piece of blood glucose test paper and the standard color spectra is carried out by utilizing the computing power of the intelligent terminal device or cloud terminal computing to obtain blood glucose data, meanwhile, the data are stored into a cloud terminal database so as to track blood glucose changes of a user at any time, and the user is reminded. The blood glucose analysis system based on the APP technology and the cloud computing technology has the advantages that different test paper types are registered at the cloud terminal, a test is completed through the matching of test paper codes and cloud terminal codes, and the compatibility problem of the test paper for the test is well solved.

The invention provides a workpiece machining error analysis method based on installation error extraction and correction. This method is based on the four-axis measurement platform, and its mathematical model is established according to the workpiece parameters; the workpiece measurement data is collected by the path planning of follow-up trajectory; obtaining the installation error of the workpiece installation datum relative to the rotating shaft of the measuring platform, analyze and obtain the installation error matrix of the workpiece based on the principle of coordinate change, and quantify the installation error; the measurement data collected in the machine coordinate system are transformed into the workpiece coordinate system after the installation error is compensated, and the installation error is corrected. And eliminates system error by optimal matching with mathematical model; the error analysis is carried out by using the matched data, so as to improve the accuracy of error analysis.

The invention relates to a method for determining a stopping sight distance in a plane-curve small-radius spiral tunnel and a method for widening a tunnel section on the premise of meeting a safe stopping sight distance, in particular to a method for determining a stopping sight distance in a plane-curve small-radius spiral tunnel in a mountainous area and widening the tunnel section. By correcting the conventional method for determining the stopping sight distance in a tunnel, the traveling safety is enhanced. Meanwhile, a method for widening the tunnel section according to the stopping sight distance determined with the method is provided, so that a satisfactory stopping sight distance is obtained.

The invention relates to the technical field of medical examination aids, and also discloses a novel simulation load inspection bed frame, comprising a bottom plate, wherein the outer edge of the bottom plate is wrapped with a side frame, a gap is left between one end of the bottom plate and the side frame, sliding rails are arranged on the side frames on both sides of the gap, and a baffle platelocated at the gap is fixedly connected in the sliding rails through a clamp block sliding reciprocally. As the novel simulate weight-bearing inspection bed frame, the length and width can be adjustedaccording to the actual situation of the examinee. The invention ensures the uniformity and operability of the force, and the purpose of fine adjustment can be achieved by using the threaded connection conducting threaded rod, the stretching rod and the transmission rod, which ensure that the invention is more suitable for different persons to be inspected, and the shoulder stopper which can moveleft and right can also avoid the foreign body feeling of the shoulder and improve the inspection precision.

The invention provides a construction method and application of a malignant schwannoma xenograft mouse model. The method comprises the steps of firstly, collecting a tumor tissue mass of a malignant schwannoma patient, and then conducting subcutaneous xenograft of the fresh tumor tissue mass of the patient into the body of an immunodeficient mouse under sterile conditions, wherein in the subcutaneous xenograft, the immunodeficient mouse at the age of 2-6 weeks is selected, the gender of the mouse is consistent with that of the patient, the collected fresh tumor tissue mass of the patient is soaked in a sterile incubation solution containing fetal bovine serum, the mouse is fixed after anesthesia, the tumor tissue mass of the patient is implanted into the subcutaneous part of the mouse, anincision is sutured, and the mouse is bred to make the tumor in the body of the mouse grow. The method also involves the orthotopic xenograft of the fresh tumor tissue mass of the patient into the body of the immunodeficient mouse. By means of the method, xenograft mice are used for replacing clinical patients for screening different combination drugs, the most suitable drugs are selected accordingly, the effectiveness is greatly improved, and the side effects of the drugs are greatly reduced.

The invention discloses a stress safety inspection scheme for the center diaphragm structure of a shallow-buried ultra-large-span tunnel. The scheme comprises the steps of: establishing a pilot upperstep center diaphragm mechanical model; calculating the unit displacement and load displacement of the skewbacks of a side wall steel frame and the center diaphragm; calculating the displacement of the skewbacks of the steel frame of the pilot upper step mechanical model; calculating displacement generated in the direction of a structural internal force; establishing a side wall steel frame-centerdiaphragm structure displacement coordination equation; calculating the structural internal force; and check and inspecting stress safety; and other steps. According to the stress safety inspection scheme of the invention, on the basis of the specific conditions of a support and the center diaphragm structure during the primary stage of the construction of the ultra-large-span tunnel, a supporting system is equivalent to a three-fold statically indeterminate hingeless arch-beam rigid fixed connection structure with a movable seat; a pilot upper step side wall steel frame-center diaphragm common bearing displacement mechanical calculation analysis model is established, so that the actual condition of the construction of the tunnel is accurately reflected.