This data was then, for the first time, used to create a representative "Living Planet Index" (LPI), reflecting the state of all 45,000 known vertebrates.
National Grid has for the first time used "last resort" emergency powers to tell companies to reduce their electricity usage in an effort to avoid the risk of blackouts.
Mr. Sharon for the first time used "occupation" on Monday to describe Israel's presence in the West Bank and the Gaza Strip, which it seized during the 1967 Arab-Israeli war.
The Russians for the first time used a scorched-earth strategy, thus diverting the Swedish armies from Moscow to Ukraine, where the Swedes suffered a crushing defeat at Poltava in June 1709.
The proposed method was at the first time used to analyze chloride ion diffusion in RAC.
In experiments with pigs, scientists have for the first time used human embryonic stem (HES) cells to repair damaged hearts.
Scientists have for the first time used laser light to crack open the nucleus of an atom.
UK researchers have, for the first time, used a chemical to prevent the death of brain tissue in a neurodegenerative disease.
LONDON--Scientists have for the first time used a vaccine made inside a plant to protect animals--in this case minks--against a viral disease.
The PSSMA is first time used as a "bridge" to connect the negative charge Au@Pt NPs to the SiO2 NPs, forming Au@Pt/SiO2 NPs.
Sensitivity analysis method is the first time used to analyze and compare the influence of the different selection of parameters to the implementation of simulated annealing algorithm.
