Each line segment of a distance-time graph represents one part of a journey. A distance-time graph, sometimes referred to as a travel graph, is a way of representing a journey. It is helpful to have ...

Abstract: Aiming at solving the problems of substantial error in the existing methods due to mutual reactance in locating the catenary-to-ground fault of a two-track ...

Will you have a white Christmas this year? What do you notice about the map below? What questions does it raise for you? By The Learning Network What do you notice about the global nuclear stockpile, ...

Abstract: This paper presents a new methodology for designing a broadband three-way Doherty power amplifier (DPA), which utilizes a reactance compensation generated by parallel peaking amplifiers to ...

QVGE is a multiplatform graph editor written in C++/Qt. Its main goal is to make possible visually edit two-dimensional graphs in a simple and intuitive way. Please note that QVGE is not a replacement ...

1 Department of Occupational Health, Tohoku University Graduate School of Medicine, Sendai, Japan 2 Health Administration Centre, Tohoku University, Sendai, Japan Background The impulse oscillometry ...