Sentence examples for been valid at from inspiring English sources

The dogma was popularized by Cope's "Early Diagnosis of the Acute Abdomen," first published in 1926, and this dogma may have been valid at that time in the absence of sophisticated diagnostic facilities and also because of the traditional use of large doses of morphine.

Soran carried a few press cards, some of which had been valid at one point, and others that he just made himself.

To be valid, at least 95 percent of the plaintiffs must approve the agreement by Sept. 30.

There is no indication whether PNG would, under their laws, consider such claims to be valid at all.

For the referendum to be valid, at least 25% of the electorate (6m voters) must take part.

State officials cannot yet say whether the cards will be valid at low-cost alternatives, like the thrift stores operated by the Salvation Army.

He has suggested that any referendum must be endorsed by 55% of those voting; and that, to be valid, at least 50% of the electorate must take part.

MAD RIVER VALLEY -- A combination ski pass good at Sugarbush Resort and Mad River Glen, two Vermont alpine areas, also is valid at Ole's Cross Country Ski Center (with equipment), which has 50 kilometers of trails.

For instance, Australia, Zimbabwe and some other countries require that your passport be valid at least six months beyond the last date of your trip, in case you are incapacitated or somehow delayed.

This result, the Curie Weiss law, is valid at temperatures greater than the Curie temperature Tc (see below); at such temperatures the substance is still paramagnetic because the magnetization is zero when the field is zero.

This picture seems to be valid at low and high salt.