As of fiscal year-end 2024, Thermo Fisher carried roughly $31 billion in long- and short-term obligations. The PPD acquisition materially increased its leverage but the number has steadily come down.

In recent years, the global demand for electric energy has been increasing year by year. In order to cope with increasingly serious problems such as grid-connected new energy generation and increasing ...

Driving cycles are essential in hybrid locomotive design by conditioning their size and performance. This paper introduces a new systemic approach to hybrid locomotive design, taking real-world ...