共 50 条
- [22] PHOTOMETRIC-DETERMINATION OF SMALL AMOUNTS OF OXYGEN IN GASES [J]. JOURNAL OF ANALYTICAL CHEMISTRY OF THE USSR, 1978, 33 (09): : 1427 - 1428
- [29] DETERMINATION OF SMALL AMOUNTS OF OXYGEN IN PROTECTING GASES AND ITS ELIMINATION [J]. CHEMICKE LISTY, 1971, 65 (03): : 303 - +
- [30] DETERMINATION OF OXYGEN AND NITROGEN IN GASES BY PROMPT GAMMA RAY MEASUREMENT [J]. NUCLEAR INSTRUMENTS & METHODS, 1971, 92 (04): : 501 - &