time frame

The intense, laserlike x-rays are siphoned off into 14 beamlines that scientists will use to image materials and biological structures at atomic to nanometer scales and take snapshots of chemical reactions over nanosecond time frames.

After the repeal, the carryover effect of plastic bag purchases declined gradually and did not revert to the pre-policy baseline after 18 months, which was the end of the researchers' analysis time frame.

“To that end,” he wrote in a letter to the LAPD, “we cannot certify any of the data during that time frame.”

But over the same time frame water companies have invested £236bn, according to Water UK, which represents the sector.

The US presidential election happens within that time frame.