Security situation awareness is a new technology about security. This paper brings it to the assessment of security situation of metro station which serves as a new way to secure the security of passengers as well as the operation of the metro station. This paper sets up an index system for assessing the security situation awareness and makes a prediction model for the security situation of met...

This thesis examines algorithms for the drawing of metro maps. The most important elements of a metro map are stations and lines connecting the stations. In the context of this thesis, we restrict the elements used for representing lines to one of two classes: On the one hand, circular segments lying on circles with a common center S are allowed. On the other hand, line segments lying on lines ...

The self-developed finite element program on return mapping algorithm is used for the simulation of true tunnel with C++ language, while the finite element program is embedded into differential evolution algorithm to incorporate rock mechanics parameters. Applying to Line 1 of Dalian Metro, inversion parameters and true parameters are found to be close, which indicates the superiority and good ...

The main purpose of this report was to develop application of poly-dopamine-beta-cyclodextrin modifi ed glassy carbon electrode (PDA-β-CD-GCE) towards electrooxidation and determination of L-Tryptophan (L-Trp) and also the evaluation its kinetic parameters. In continuation of our efforts to use PDA-β-CD-GCE for amino acids detection, our objective in the present work was to expand application o...

BACKGROUND Magnitudes, geographic and racial variation in trends in coronary heart disease (CHD) mortality within the US require updating for health services and health disparities research. Therefore the aim of this study is to present data on these trends through 2007. METHODS Data for CHD were analyzed using the US mortality files for 1999-2007 obtained from the US Centers for Disease Cont...

We give a comprehensive overview of the state of the art in automated metro map layout. A large number of algorithms for computing metro maps have been developed over the last 10– 15 years by researchers in computer science and related fields. In this survey, we distinguish three subtasks of generating metro map layouts (schematic network layout, label placement, crossing minimization) and give...