With the changing times, 3D printing technology has been effectively popularized in peoples daily life, and gradually entered into education. 3D printing technology is mainly based on the printing of digital model fil...With the changing times, 3D printing technology has been effectively popularized in peoples daily life, and gradually entered into education. 3D printing technology is mainly based on the printing of digital model files, and it is effective to finalize the design by using powdered metal or adhesive materials such as materials, and to print the structure of objects through different layers of objects. With the "Notice on Promulgating the Professional Catalogue of National Technical Colleges (revised in 2018)" issued by the Ministry of Human Resources and Social Security in 2018, 3D printing technology is applied to professional teaching. And actively carry out effective research on the characteristic teaching resources contained in 3D printing technology. This paper mainly focuses on Korean translation teaching and effectively develops and studies the characteristic teaching resources of 3D printing technology application specialty in Korean translation teaching.展开更多
Objective To investigate the surgical technique and outcomes of replacement of chordae tendineae in mitral valve repair,and evaluate the value of real-time three-di-mensional transesophageal echocardiography in the pe...Objective To investigate the surgical technique and outcomes of replacement of chordae tendineae in mitral valve repair,and evaluate the value of real-time three-di-mensional transesophageal echocardiography in the perioperative period. Methods Thirty-one patients with mitral valve prolapse underwent mitral valve repair using chordae tendineae replacement concomitant with implantation展开更多
Objective To investigate the effect of computer aided 3D simulation technique for treating complicated foot and ankle fractures precisely.Methods From November 2007 to August 2009,255 patients with complicated foot an...Objective To investigate the effect of computer aided 3D simulation technique for treating complicated foot and ankle fractures precisely.Methods From November 2007 to August 2009,255 patients with complicated foot and ankle fractures展开更多
Noise simulations are an important part of noise studies that investigate the impact of noise sources on the environment.In noise simulation,noise levels at receiver points are calculated based on the noise propagatio...Noise simulations are an important part of noise studies that investigate the impact of noise sources on the environment.In noise simulation,noise levels at receiver points are calculated based on the noise propagation paths between the receiver and source points.These paths are derived from the height of the terrain.In current calculation approaches implemented in noise simulation software,3D polylines are used as input to describe the height of the terrain.These 3D polylines are semi-automatically generated to meet the highly demanding computing performance of simulation software.In addition,previous research showed that the reconstruction of appropriate height lines as used in noise simulation is very difficult to automate,if not impossible As a solution,this research investigates how noise propagation paths between receiver and source points can directly be generated from a Triangulate Irregular Network(TIN)without creating the height lines.This would allow us to use the automatically generated TIN as input for noise simulation instead of the height lines.In addition,a TIN enables better control of the quality of the data than height lines do.This study uses the 3D noise modeling guidelines of Common Noise Assessment Methods in Europe(CNOSSOS-EU).Algorithms have been developed and implemented in a prototype to generate and validate the paths between receiver and source points using a TIN that includes the buildings as well as the noise absorption properties of the terrain.The prototype is successfully tested on two scenarios from the Netherlands.Since CNOSSOS-EU guidelines were used,the prototype is applicable to the entire European Union and can be the first step in improving the automation of 3D noise modeling using currently available techniques and data.展开更多
This article discusses the use of 3D technologies in digital earth applications(DEAs)to study complex sites.These are large areas containing objects with heterogeneous shapes and semantic information.The study propose...This article discusses the use of 3D technologies in digital earth applications(DEAs)to study complex sites.These are large areas containing objects with heterogeneous shapes and semantic information.The study proposes that DEAs should be modular,have multi-tier architectures,and be developed as Free and Open Source Software if possible.In DEAs requiring high reliability in the 3D measurements,point clouds are proposed as basis for the 3D Digital digital earth representation.For the development of DEAs,we propose to follow a workflow with four components:data acquisition and processing,data management,data analysis and data visualization.For every component,technological challenges of using 3D technologies are identified and solutions applied for a case study are presented.The case study is a modular 3D DEA developed for the archaeological project Mapping the Via Appia.The 3D DEA allows archaeologists to virtually analyze a complex study area.展开更多
文摘With the changing times, 3D printing technology has been effectively popularized in peoples daily life, and gradually entered into education. 3D printing technology is mainly based on the printing of digital model files, and it is effective to finalize the design by using powdered metal or adhesive materials such as materials, and to print the structure of objects through different layers of objects. With the "Notice on Promulgating the Professional Catalogue of National Technical Colleges (revised in 2018)" issued by the Ministry of Human Resources and Social Security in 2018, 3D printing technology is applied to professional teaching. And actively carry out effective research on the characteristic teaching resources contained in 3D printing technology. This paper mainly focuses on Korean translation teaching and effectively develops and studies the characteristic teaching resources of 3D printing technology application specialty in Korean translation teaching.
文摘Objective To investigate the surgical technique and outcomes of replacement of chordae tendineae in mitral valve repair,and evaluate the value of real-time three-di-mensional transesophageal echocardiography in the perioperative period. Methods Thirty-one patients with mitral valve prolapse underwent mitral valve repair using chordae tendineae replacement concomitant with implantation
文摘Objective To investigate the effect of computer aided 3D simulation technique for treating complicated foot and ankle fractures precisely.Methods From November 2007 to August 2009,255 patients with complicated foot and ankle fractures
基金the European Research Council(ERC)under the European Union's Horizon 2020 Research&Innovation Programme[grant agreement no.677312 UMnD:Urban modeling in higher dimensions].
文摘Noise simulations are an important part of noise studies that investigate the impact of noise sources on the environment.In noise simulation,noise levels at receiver points are calculated based on the noise propagation paths between the receiver and source points.These paths are derived from the height of the terrain.In current calculation approaches implemented in noise simulation software,3D polylines are used as input to describe the height of the terrain.These 3D polylines are semi-automatically generated to meet the highly demanding computing performance of simulation software.In addition,previous research showed that the reconstruction of appropriate height lines as used in noise simulation is very difficult to automate,if not impossible As a solution,this research investigates how noise propagation paths between receiver and source points can directly be generated from a Triangulate Irregular Network(TIN)without creating the height lines.This would allow us to use the automatically generated TIN as input for noise simulation instead of the height lines.In addition,a TIN enables better control of the quality of the data than height lines do.This study uses the 3D noise modeling guidelines of Common Noise Assessment Methods in Europe(CNOSSOS-EU).Algorithms have been developed and implemented in a prototype to generate and validate the paths between receiver and source points using a TIN that includes the buildings as well as the noise absorption properties of the terrain.The prototype is successfully tested on two scenarios from the Netherlands.Since CNOSSOS-EU guidelines were used,the prototype is applicable to the entire European Union and can be the first step in improving the automation of 3D noise modeling using currently available techniques and data.
基金the Mapping the Via Appia project(Funding:NLeSC project code 027.013.901 and NWO project number 380-61-001)。
文摘This article discusses the use of 3D technologies in digital earth applications(DEAs)to study complex sites.These are large areas containing objects with heterogeneous shapes and semantic information.The study proposes that DEAs should be modular,have multi-tier architectures,and be developed as Free and Open Source Software if possible.In DEAs requiring high reliability in the 3D measurements,point clouds are proposed as basis for the 3D Digital digital earth representation.For the development of DEAs,we propose to follow a workflow with four components:data acquisition and processing,data management,data analysis and data visualization.For every component,technological challenges of using 3D technologies are identified and solutions applied for a case study are presented.The case study is a modular 3D DEA developed for the archaeological project Mapping the Via Appia.The 3D DEA allows archaeologists to virtually analyze a complex study area.
