Sentence examples for the stubborn problem from inspiring English sources

Hence it exhibits a singular ability of microfluidic manipulation, which is helpful to solve the stubborn problem of desorption of hydrogen and promotes release of active sites.

Elected president in 1977 after the death of his mentor, Archbishop Makarios, under whom Cyprus had achieved independence from Britain, Mr. Kyprianou was faced with the stubborn problem caused by Turkey's invasion in 1974 and the formation of a Turkish enclave in the north, which covered about one-third of the island.

The stubborn problem of youth unemployment is also a factor.

The stubborn problem of nonadherence makes it clear that medicines are not enough.

Hence, the presence of muscovite sheets helps to solve the stubborn problems of traditional photocatalytic cement, improving the stability of photocatalytic cement.

Trump refuses to acknowledge that many of the stubborn problems plaguing cities are rooted in racism.

Facebook has become the focus of a large amount of criticism in the last two years, as it has been buffeted by disclosures about data breaches and the stubborn problems of misinformation on its service.

Actually, the price is cheap if it buys a solution to this stubborn problem.

Bush attributed that stubborn problem to lackluster economic growth, and said that policies that raise the cost of doing business — like health-care reform — are at fault for a decline in new business starts.

A National Academy of Sciences NASS) panel tackling this stubborn problem has revived an old idea: a special grant tailored to young researchers with bright ideas but little or no preliminary data.

The more stubborn problem is that the pipeline often empties into uninviting territory.