boron chamber

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Noun1.boron chamber - an ionization chamber lined with boron or filled with boron trifluoride gas for counting low velocity neutrons
boron counter tube - a proportional counter tube for counting neutrons
ionization chamber, ionization tube - a measuring instrument that measures the amount of ionizing radiation
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13 when someone smashed a nativity scene in front of the Boron Chamber of Commerce meeting place as well as floodlights focused on the scene.
Forty Years of Family and Fun'' is the theme of this year's Twenty Mule Team Days, a fund-raising event for the Boron Chamber of Commerce and local organizations.