Sentence examples for have been ex from inspiring English sources
Most gene therapy approaches have been ex vivo, involving cell culture and culture graft transplantation, which is logistically difficult.
Some 800 other ruins there have been identified, but only a few of them have been ex cavated.
This year 40 terrorist bombs have been ex ploded, and every week or so soldiers scatter ugly mobs.
On the building's top floor, now just a storage attic, the mechanical works of the big clock atop the building's south facade have been ex posed.
As might have been ex pected, the night was filled with nostal gia (it always is), but nostalgia is easy, essentially frivolous, and a quite differ ent thing from the sense of mortality that dominated the proceedings from early on.
Indicating the magnitude of the west Siberian oil resources, Mr. Shcherbina said that the Samotlor field was the largest of 41 fields that have been ex plored so far, with only 15percentnt of the potential area hav ing been prospected.
"Some of our best workers have been ex-homeless," adds Dorman.
All but one of America's past five presidents have been ex-governors (the exception was George Bush senior).
They nearly all claim to have been ex-fisherman whose legitimate business was destroyed by aggressive international fishing fleets.
Some low hanging fruit can be had in terms of improved operating leverage but many of its markets have been ex-growth for a while, hence our reluctance to advocate opening up a new position at this level.
