During the last ten years the general requirements for rail vehicles have changed mainly.
In recent decades, agricultural land use has changed considerably, mainly driven by reforms of agricultural and bioenergy policies.
During the last 30 years the clinical spectrum of CD has changed from mainly being comprised of young children with overt malabsorption to often affecting adults, with mild or atypical symptoms, and some of those diagnosed with the disease are even asymptomatic [ 2].
"Steel research has changed from using mainly empirical methodology to applying basic research methods," says Peter Schwab, Senior Vice President for Research & Development at Voestalpine Stahl GmbH, an Austrian steel corporation in Linz with a research and development staff of 300.
Much has changed since that album, mainly because we've been doing the whole college thing and we're just older.
Measles epidemiology has changed; the disease now mainly affects children <1 year old and young adults, the latter of whom are mostly unvaccinated or have unknown vaccination status (2, 4 ).
8 This scenario may, however, not be true if morbidity is postponed to higher ages parallel to the increase in LE. 9 Previous research has not reached a consensus on how the health of the elderly has changed over time, 10 11 mainly since health is a multidimensional concept measured by different indicators.
As other nations deconstruct and go fusion, and constantly try to reinvent, very little has changed, here: it's still mainly bouillabaisse and plates of langoustines on mountains of ice.
It has changed the operator's role from mainly relating operational activity to mainly relating monitoring.
