Sentence examples for at a background from inspiring English sources

But at a background briefing, Republican leadership and Budget Committee staff members struggled to explain the seeming timidity of the cuts, given the boldness of their party's rhetoric.

At a background briefing on Thursday afternoon, department officials said it was impossible to predict from the data how many colleges would be cut off.

A senior British Treasury official told me at a background briefing in Davos: "Even America isn't big enough to solve this problem on its own..

Five days later, a senior White House official went a step further, telling reporters at a background briefing that they had the wrong impression about Joseph Wilson's trip to Niger and the information it had yielded.

The diplomat, speaking to reporters at a background briefing, said China was a signer of the Comprehensive Test Ban Treaty and as such would stand by the intent of the treaty.

At a background briefing after Mr. Ridge spoke, a senior intelligence official said the threat appeared to have been directed by Mr. bin Laden or one of his chief lieutenants like Ayman al-Zawahiri.

In the first experimental series, we kept the linearly shaped source at 36°C over a background at 33°C.

Absorbance of the formazan product was measured at 570 with a background correction at 690 nm using a microplate reader [15].

Absorbance of the supernatant was measured at 540 nm against a background at 700 nm.

Optical density was measured at 562 nm with a background correction at 630 nm.

Then 0.04 N HCl in 2-propanol was added and, after 45 min, the absorption was measured photometrically at 550 nm with a background subtraction at 690 nm.