English Dictionary

drip line

名詞

(nuclear physics) On the table of nuclides, the limit beyond which an atomic nucleus will immediately decay by emitting a proton or neutron.

日本語の意味

（原子核物理学）核種の表において、原子核が直ちに陽子または中性子を放出して崩壊してしまう限界（境界線）を示す。

Researchers mapped the drip line to determine which isotopes lie beyond the limit where a nucleus immediately decays by emitting a proton or neutron.

研究者たちは、原子核が陽子または中性子を放出して即座に崩壊する限界を特定し、どの同位体がその核安定性の境界を越えているかを明らかにした。

意味（1）

(nuclear physics) On the table of nuclides, the limit beyond which an atomic nucleus will immediately decay by emitting a proton or neutron.

Hydrogen-7 has so many excess neutrons that it lies beyond the neutron drip line, and will spit out neutrons until it becomes a particle-bound isotope.

意味（2）

The area defined by the outermost circumference of a tree canopy from where water drips onto the ground.

Be particularly careful applying within the drip line of trees and other ornamental species.

意味（3）

A pipe that has small holes at intervals, used to irrigate crops.

drip lines （ plural ）