boron chamber   (TTS Sound)

The boron_chamber has 1 Senses.

• boron chamber
• an ionization chamber lined with boron or filled with boron trifluoride gas for counting low velocity neutrons
• 低速さ中性子を数えるため、ホウ素を敷き詰めたまたは三フッ化ホウ素ガスを充満させた電離箱