Search

Search U.S. government technical reports digitized or harvested by TRAIL.

Keyword Search

Enter your search term(s):
[advanced search]

4 results returned

Search results

• Automatic and continuous transducer drift compensator for endpoint detection systems
• Gravimetric preparation of primary standard gas mixtures in the parts per trillion range
• Analysis for impurities in helium using the helium ionization detector
• An improved analyzer for determining helium-4 in parts-per-billion range