Still, the Vietnam cases led doctors to start doubling the typical Tamiflu dose, effectively halving the world's stockpiles of it.
The deal effectively halved LVMH's stake in Gucci to 20 percent.
Also, the interlace scanning was usually omitted in order to provide more stability to the picture, effectively halving the vertical resolution in progress.
In other words, the resources diverted for this project effectively halved housing construction rates.
Larvae exposed to mucus from predatory fish respond to the threat by cloning themselves, thus doubling their numbers while effectively halving their size.
A final settlement of the British problem was not reached until the June 1984 Fontainebleau summit, when a rebate system effectively halved the net contribution.
A half-speed recorder would effectively halve the rate of tax that consumers would pay, should a levy be introduced.
In 2007, Hoeven proposed a 34% increase in spending, effectively halving the state's $600 million surplus.
The former is probably worth about £3 per hour, and the latter, which effectively halves fixed costs, is worth about £4-£5 per hour, depending upon utilisation.
Another technique, 4 PI Microscopy uses two opposing objectives to double the effective numerical aperture, effectively halving the diffraction limit.