However, tracing fuselage failure points proved difficult with this method, and de Havilland ultimately switched to conducting structural tests with a water tank that could be safely configured to increase pressures gradually.
That may prove difficult with the euro zone in recession and a weakening British economy.
But coalition building could then prove difficult, with the AfD likely to enter the national parliament for the first time.
In addition, the physician must be able to provide an alternative method, should compliance prove difficult with the initially chosen one [ 28].
Using other conditions proved difficult, with both the number of colonies and the rate of positive transformants acquired highly variable.
At present, ADHD is not on the agenda, and bringing together key experts in the field proved difficult, with most being either experts in adult ADHD or experts within the CJS.
They later moved to Pakistan, but the country proved difficult with its web of expectations and relationships, and she took her sons back to the United States when Mr. Mueenuddin was 13.
In Boston, Aereo held up in court yet again, but Salt Lake City proved difficult, with a federal judge shutting down the service in that market.
Tracking progress in the drug war has always proved difficult, with large numbers of crimes that go unreported, uninvestigated and unsolved.
Finding the genetic factors in autism has proved difficult, with one study implicating hundreds of genetic mutations, many of which arise spontaneously.
