Sentence examples for has been maintained since from inspiring English sources
Keen says that momentum has been maintained since Beijing and that while rule changes in cycling make a repeat performance impossible, other sports have stepped up to the plate.
Analysts note that transferring power from Mr Yar'Adua, a Muslim northerner, to Mr Jonathan, from the Christian south, would be highly sensitive in Nigeria, where a careful balance between rival groups has been maintained since the return of civilian rule in 1999.
The screen size has been maintained since the previous generation and the footprint has actually managed to shrink notably.
This suggests that the Niedere Tauern share a common uplift history with the Northern Calcareous Aps and implies a moderate south-north topographic gradient that has been maintained since the Miocene.
This activity has been maintained since 1968 by a working group of volunteer scientists from several international institutions but grew out from discussions started in the early 1960s (Barton, 1997).
At JET, the Fission Chamber neutron detectors were originally calibrated some 20 years ago by performing a set of in-situ calibrations using neutron sources and the absolute calibration has been maintained since then by cross calibrations against Activation System measurements.
At Kühlungsborn (54°N, 12°E, Mecklenburg, Northern Germany), the field strength measurements of the broadcasting station Allouis (Central France) have been maintained since February 1959.
It was eventually destroyed in 1776 by Benedict Arnold, while under American military control, but the ruins have been maintained since then.
As these cells had been maintained since 2006 without DOX stimulation, a DNA damage response seems unlikely; however, we examined ATM phospho-Ser1981 as confirmation.
In brief, mixed sex populations have been maintained since 2012 in pots (Thermoscientific Nalgene 500mL, 120mm o.d.[outer diameter]) containing 50 individuals.
