更多cyclotron例句

1. They acquired some old scintillators from a lab in Hamburg, leftover particle detectors from Los Alamos National Laboratory, and radiation-blocking iron slabs first used in a cyclotron at Columbia University in the 1950s.
2. Element 43 was "made" for the first time as a result of bombarding molybdenum with deuterons in the Berkeley cyclotron.
3. Finally they strike a target inserted into their path or are extracted from the cyclotron for use as an external beam.
4. The number of revolutions that an ion can make in a conventional cyclotron is limited to about 70 to 100.
5. Before attempting to discuss this principle, we should first review the operation of a conventional cyclotron.
6. Ions above the midplane of the cyclotron are directed downward; those below the midplane are directed upward.