Sentence examples for been maintained over a from inspiring English sources

The third key result of these analyses is that although differences in NDVI between protected areas and their surroundings have largely been maintained over a 25 year period, for some land cover types the magnitude of the differences has significantly changed.

This is in contrast to the crucifer family where large variations in chromosome numbers and frequent rearrangements exist, but where the integrity of many chromosomal blocks has been maintained over a similarly long evolutionary timeframe.

In the peanut homoeologous regions that we analyzed, the majority of low-copy gene duplicates has been maintained over an estimated 3.5 Myr since divergence of the A and B genomes.

Any fixed position which is maintained over a long period of time ultimately produces excruciating pain.

These relations are maintained over a life span as long as 70 years.

Nessa remembers her first summer on the farm and how she'd thought her feelings for Vance "would be maintained over a lifetime".

The $52 billion annual investment envisioned by McKinsey is four or five times more than the nation currently spends on energy efficiency, and would have to be maintained over a decade.

In such cases, a uniform magma supply is maintained over a significant duration.

The helicity flipping character of, on the other hand, is maintained over a wider angular range.

The effective permeability reduction was maintained over a period of three months.

The greater immune response achieved by high expression was maintained over a 100-fold dose range.