共 50 条
- [13] Titration and potentiometric determination of soil organic matter carbon ROSTLINNA VYROBA, 1996, 42 (03): : 115 - 117
- [16] A RAPID ULTRAMICRO METHOD FOR SIMULTANEOUS DETERMINATION OF CARBON, HYDROGEN AND NITROGEN CONTENTS OF ORGANIC COMPOUNDS TRANSACTIONS OF THE NEW YORK ACADEMY OF SCIENCES, 1963, 25 (07): : 693 - &