Sentence examples for has only before been from inspiring English sources

Although aniline black is known to have been widely used in the printing and dyeing industries since 1863, it has only before been specifically identified in the cultural heritage literature as an ink in a 1930s printed book [13].

A rare continental butterfly which until last summer had only once before been seen in Britain has survived the winter, raising hopes it will breed here for the first time.

The Afghan authorities quickly learned that the man suspected of having orchestrated the attack, Maulavi Ghulam Dastagir, had only weeks before been in police custody on charges of aiding the Taliban.

The daughter of a member of the Vietnamese Communist Party's Politburo, the country's most powerful political body, Ms. Huong had only days before been appointed the head of a state-owned construction company.

"That has only been done once before and is, I believe, a very potent weapon," said Mark Mendel, a lawyer representing Antigua, after the ruling.

The present study will provide valuable data to an area that has only scarcely been studied before.

The questionnaire has only been used once before, and there is no formal validation study published.

Such great variety of M-lineages as we found in Myanmar has only been described before in India [ 33].

Try for NIB green star breeding, it is a real challenge and has only been done once before!

It has only been performed once before in this country.

To our knowledge, DTI has only been used once before to evaluate cardiac function in PHPT patients.