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54results about How to "Improve accuracy and convenience" patented technology

A matching method of bim model and point cloud data

The invention relates to the technical field of engineering construction, Specifically, it is a matching method between bim model and point cloud data, At least three auxiliary reference object shallbe set up on that project site, and the point cloud data of the engineering structure and the auxiliary reference object are collected by the three-dimensional scanner to obtain the relative coordinates, The absolute coordinates of the auxiliary reference object are compared with the relative coordinates of the auxiliary reference object in the point cloud data and the real absolute coordinates ofthe engineering structure are obtained by correcting the point cloud data with the registration algorithm. compared with that prior art, Its advantages are: auxiliary reference objects are set and positioned on site, the relative coordinates of the point cloud data are converted into absolute coordinates by using the real absolute coordinates of the auxiliary reference object through registrationalgorithm, In order to achieve the matching of computer-side information model and point cloud model, improve the convenience and accuracy of scanning matching, and provide accurate and reliable datasupport for the later visual display of structural deformation detection.
Owner:CHINA RAILWAY SHANGHAI ENGINEERING BUREAU GROUP CO LTD

Test strip for non-invasive diagnosis of laryngopharyngeal reflux disease and preparing and using method thereof

The invention discloses a test strip for non-invasive diagnosis of a laryngopharyngeal reflux disease and a preparing and using method thereof. The test strip comprises a base plate and a plurality of detection modules. The upper face and the lower face of the base plate are each provided with a plurality of parallel first partition plates, independent parallel grooves are formed, and the side walls of the grooves are provided with protruding thorns. Each detection module is formed by sequentially arranging and connecting a sample pad, a combined pad, a detection pad and water absorption paper in the length direction of the base plate, wherein the combined pad is coated with gold nanoparticles labeled with a pepsase monoclonal antibody I, and detection belts composed of pepsase monoclonal antibodies II and quality control belts composed of goat anti-mouse lgG antibodies are arranged on the detection pad at intervals. The detection modules are fixed in the different grooves respectively. Throat secretions or saliva is used as sample liquid to be detected, and the sample liquid to be detected is dropped to a sample adding hole; whether color development occurs on the quality control belts or not is continuously observed every two hours in 24 hours, and a patient does not have the laryngopharyngeal reflux disease if a color development reaction occurs.
Owner:中国人民解放军总医院第六医学中心 +1

Method for rapidly determining different producing area semen trichosanthis pesticide residue

The invention relates to a method for rapidly determining pesticide residue, more specifically relates to a method for rapidly determining different producing area semen trichosanthis pesticide residue. The rapid determination method is characterized in that a GC-ECD method is used for rapidly determining the semen trichosanthis organic chlorine pesticide residue. The rapid determination method comprises the following steps: A) preparing and mixing a concentrated liquid of a contrast, B) pretreating a semen trichosanthis sample, C) determining a standard curve and the lowest detection limit, D) carrying out chromatography, E) carrying out quantitative determination by an external standard method and calculating the organic chlorine pesticide residue in the semen trichosanthis. According to plantation condition of different producing area semen trichosanthis medicinal materials, the generation condition of pests and the usage condition of the pesticide, the method of the invention is capable of establishing the rapid detection method of six organic chlorine pesticide residues in semen trichosanthis by the GC-ECD method, raising the accuracy and convenience of pretreatment of the traditional Chinese medicinal material samples, and providing the reliable basis for regulating the detection method of the semen trichosanthis medicinal material pesticide residue, raising the quality safety of the semen trichosanthis medicinal material and controlling the pesticide residue.
Owner:湖州市食品药品检验所

Submarine ditching project prediction method and device and server

The invention provides a submarine ditching project prediction method and device and a server, and relates to the technical field of earthwork engineering, and the method comprises the steps: obtaining preset engineering parameters and meteorological parameters corresponding to an engineering date; wherein the meteorological parameters comprise wind speed, wind direction and air pressure; constructing an unstructured grid according to the engineering parameters; performing coupling processing on a pre-established three-dimensional hydrodynamic model and a pre-established sediment model to obtain a prediction model; inputting the engineering parameters, the meteorological parameters and the unstructured grid into a prediction model, and outputting the gridded three-dimensional ocean currentspeed, the three-dimensional mixed intensity, the three-dimensional sediment concentration and the distribution field quantity of the sea surface height; and according to the distribution field quantity, analyzing to obtain dynamic data of sediment leaving the ditch, accumulating to a discharge area and backfilling to the ditch which is being excavated. According to the embodiment of the invention, the convenience and accuracy of submarine ditching project prediction can be improved.
Owner:南京麦慎数字科技有限公司

Intelligent nutrition intervention method and terminal

The invention discloses an intelligent nutrition intervention method, belonging to the technical field of health management. The method specifically comprises the following steps: collecting the basicinformation and dietary information of a user; calculating each food dimension score of each food dimension of the user and the overall current diet condition score of the user; conducting analyzingand processing to generate a user-personalized intervention scheme presented in a daily task form; and receiving the feedback of the daily task completion condition of the user, and progressively adjusting the user-personalized intervention scheme. The invention also provides a terminal for realizing the method. According to the invention, basic information and dietary information of the user arecollected and result feedback is carried out based on an existing mobile intelligent terminal, so the efficiency of the nutrition intervention process is effectively improved; and unlike a traditionalmethod which only provides broad nutrition suggestions and does not involve specific and effective landing actions, a feasible progressive nutrition intervention scheme is provided in the invention based on collected specific data information, so the specific requirements of users with different nutrition requirements are fully met.
Owner:CHENGDU SHANGYI INFORMATION TECH CO LTD

Intelligent tactile stick with blind sidewalk detection and positioning functions and blind person guiding method

The embodiment of the invention provides an intelligent tactile stick with blind sidewalk detection and positioning functions and a blind person guiding method. The intelligent tactile stick comprisesfour parts including a stick body, a camera, a processor and a voice output module, wherein the camera and the processor are installed on the stick body; the camera is used for collecting pictures, the processor is used for conducting blind sidewalk detection on the pictures to obtain a vision detection result, and the voice output module is used for broadcasting the detection result to remind auser of the specific position of a blind sidewalk. The blind person guiding method comprises the steps of obtaining the pictures taken by the camera; detecting and positioning the blind sidewalk in the pictures to obtain the vision detection result, wherein the detection result comprises the relative position of the blind sidewalk; broadcasting the detection result through the voice output moduleto remind the user of the specific position of the blind sidewalk. According to the embodiment, through the tactile stick, the pictures are collected for analysis processing, then the blind sidewalk in the pictures is detected and positioned to obtain relative position information of the blind sidewalk, the blind person is guided in quickly walking to the blind sidewalk, and the accuracy and convenience of positioning the blind sidewalk are improved.
Owner:TSINGHUA UNIV

Highway large piece transportation safety assessment method and system, storage medium and terminal equipment

The invention provides a highway large-piece transportation safety assessment method and system, a storage medium and terminal equipment. The method comprises the steps: selecting the traction form ofa vehicle selected by a current large-piece transportation task and a passing line corresponding to the current large-piece transportation task; obtaining vehicle information of the selected vehicleaccording to the traction form, and obtaining road information of the corresponding passing line according to the passing line; obtaining cargo information of to-be-transported cargos in the current large piece transportation task; according to the vehicle information of the selected vehicle, the cargo information of the to-be-transported cargo and the road information of the passing line, carrying out passing safety verification and passing ability verification on the large-piece transportation task, and evaluating the transportation safety of the large-piece transportation task according tothe verification results of passing safety verification and passing ability verification; and generating an adjustment suggestion is generated for the project which cannot pass the verification, optimizing the corresponding project until the verification is passed. The accuracy and convenience of highway large-piece transportation safety evaluation are effectively improved.
Owner:CHANGAN UNIV

Medical accelerator, dose monitoring system, and dose monitoring method of medical accelerator

The invention relates to the technical field of medical accelerators, and discloses a medical accelerator. The medical accelerator includes an acceleration pipe, a beam pipeline, a beam scraper, a corrugated pipe and a beam needle, and the beam pipeline, the beam scraper, the corrugated pipe and the beam needle are connected in sequence and share a central axis and communicate to form a straight channel for transmission of an electron beam in the straight channel; and an inner pore diameter of the beam scraper is smaller than an inner pore diameter of the beam channel. The invention also discloses a dose monitoring system. The dose monitoring system includes a resistance, a voltmeter, a conductor and a data processing system, the beam scraper, the resistance and the ground are sequentiallyconnected through the conductor, and the voltmeter is used to test a voltage value at both ends of the resistance; and the data processing system processes the voltage value to obtain a dose of the electron beam. The invention also discloses a dose monitoring method. A current is generated through part of the electron beam, the voltage at both ends of the resistance is simultaneously tested, andthe dose rate of the electron beam is obtained by testing the voltage value, so that the treatment process is not affected, and online monitoring of the dose of the electron beam can be realized.
Owner:TSINGHUA INNOVATION CENT IN DONGGUAN +1
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