Sentence examples for been the principal problem from inspiring English sources

Hence, it is just as likely that wage stagnation, not declining birth rates or longer life expectancy, has been the principal problem facing Social Security.

"The Republican leadership has been the principal problem, but they will want a Bush administration to succeed and Colin Powell to succeed".

Abbreviations are the principal problem confronting paleographers.

However, the absence of the design variable is the principal problem of composite sandwich construction.

Sediment deposition is the principal problem affecting the useful life of reservoirs.

Thrombogenesis is the principal problem associated with blood-contacting biomedical devices.

Although easing the $5 billion "circular debt" is the principal problem, experts say money is only part of the solution.

Other people seem to be the principal problem; Saturn in opposition signals a phase when colleagues become non-compliant, exes turn truculent and friendships are tested.

This is the principal problem with a system of support that is based on historical data - it does not reflect current reality.

Bio-fouling is the principal problem met with membrane filtration in biological suspensions treatment, in particular in the case of membranes made of sintered clay which have a low resistance to chemical washing; we are interesting, in this work, to the bioadhesion which is the cause.

The absence of ejaculatory control was the principal problem identified by the male and female participants.