pulsed neutron log

例句：

1. 1. The pulsedneutron log is used to measurethe density of water in the ocean.
   脉冲中子日志用于测量海洋中的水密度。
2. 2.The pulsed neutron log wasused to detect the presence of oil inthe ground.
   脉冲中子日志被用来探测地下的石油存在。
3. 3. The pulsed neutron loghelped scientists to better understand thebehavior of matter under extreme conditions.
   脉冲中子日志帮助科学家更好地理解物质在极端条件下的行为。