Sentence examples for perennial obstacles from inspiring English sources
Artificial skin had been the holy grail in treating burn victims for a century when Dr. John F. Burke began wrestling with some of the perennial obstacles to making it: finding a flexible material that would protect against infection and dehydration, that could be made from ordinary substances, that would not be rejected by a patient's immune system and that would look like normal skin.
However, he said he recognised that corruption was a perennial obstacle in Italy.
But despite an abundance of willing workers, staffing is a perennial obstacle.
The Vaccine Fund is also trying to solve a perennial obstacle by providing incentives to industry to make vaccines and sell them cheaply.
The resurgence of nationalism epitomises how these asymmetries provide a perennial obstacle for the left.
Native writers such as Johnson are faced with the ever-present challenges of representation and authenticity, but indigenous artists, photographers and fashion designers face similar obstacles, and perennial questions: Who is it that Native people create art for?
Aren't these obstacle races all the same?" Yes, it is true that most races feature similar obstacles, like the perennial favorites cargo nets, wall climbs, and monkey bars.
The primary obstacle to the usage of perennial cereals, oilseeds, and legumes are the lack of economically viable plant strains.
Development of a useful GVA vector is expected to find a use as a biotechnological tool for improvement of grapevines and it may enable vine breeders to bypass obstacles involved in genetic manipulation of perennial and fruiting plants.
Continuous cropping obstacles, also known as replanted disease, are usually observed in agricultural crops (including both annual and perennial plants), such as soybeans8, melons9, bananas10 and apples11.
