Science, Volume 293John Michels (Journalist) American Association for the Advancement of Science, 2001 |
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Page 84
... pulse series ( π / 2 ) [ β ( 7 ) ] ( π / 2 ) : ( Perfect ) constant - rotation composite π / 2 pulses tip the spins back and forth between the xy and yz planes . In the region of the sample where the static and rf field gradients are ...
... pulse series ( π / 2 ) [ β ( 7 ) ] ( π / 2 ) : ( Perfect ) constant - rotation composite π / 2 pulses tip the spins back and forth between the xy and yz planes . In the region of the sample where the static and rf field gradients are ...
Page 463
... pulse at 2000 nm excites the newly detached solvated electron . The third pulse at 490 nm measures the effects of the first two pulses by monitoring the number of sodium anions de- stroyed by the forward ET and regenerated by the ...
... pulse at 2000 nm excites the newly detached solvated electron . The third pulse at 490 nm measures the effects of the first two pulses by monitoring the number of sodium anions de- stroyed by the forward ET and regenerated by the ...
Page 464
... pulse after they escape from the immediate contact pairs ? Our previous work on the Na system argued that the energy ... pulse 2 ( ps ) ᅥ 150 150 Fig . 3. ( A ) Comparison of a standard two - pulse experiment ( 780 - nm pump , 490 ...
... pulse after they escape from the immediate contact pairs ? Our previous work on the Na system argued that the energy ... pulse 2 ( ps ) ᅥ 150 150 Fig . 3. ( A ) Comparison of a standard two - pulse experiment ( 780 - nm pump , 490 ...
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