Sentences with phrase «present difficult obstacles»

Not exact matches

For bacteria, soil is difficult terrain, with dry areas and air spaces presenting insurmountable obstacles.
Although these interventions can dramatically reduce the rate of HIV infection, some individuals find it difficult to adhere to ART, which presents obstacles to optimal implementation of these programs.
However, Liu has observed that in certain kinds of physical systems, it is very difficult to create and use entanglement, and shows in his paper that this obstacle turns out to be an advantage: Liu presents a mathematical proof that if an adversary is unable to use entanglement in his attack, that adversary will never be able to retrieve both messages from the qubits.
Student loans present a uniquely difficult obstacle to debtors in bankruptcy.
While the different stages present different looks and these looks change the appearance of obstacles, more often than not things, will blend in too much with the environment making your trials that much more difficult.
Many mother often find that jockeying custodial parenthood and a job presents difficult, if not insurmountable, obstacles.
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