共 49 条
[2]
AVERETT RC, 1989, 87557 USGS OFR US GP
[3]
BARBER M, 1982, ANAL CHEM, V54, pA645
[4]
ION TRAPPING AND MANIPULATION IN A TANDEM TIME-OF-FLIGHT-FOURIER TRANSFORM MASS-SPECTROMETER
[J].
INTERNATIONAL JOURNAL OF MASS SPECTROMETRY AND ION PROCESSES,
1991, 104 (02)
:109-127
[5]
CHARACTERISTICS OF SOIL ORGANIC-MATTER IN TEMPERATE SOILS BY CURIE-POINT PYROLYSIS-MASS SPECTROMETRY .1. ORGANIC-MATTER VARIATIONS WITH DRAINAGE AND MULL HUMIFICATION IN A-HORIZONS
[J].
JOURNAL OF SOIL SCIENCE,
1984, 35 (04)
:549-558
[7]
CHOWDHURY SR, 1990, INT J MASS SPECTROM, V78, P37
[8]
COOPER AR, 1989, DETERMINATION MOL WE, P1
[9]
Dubach P., 1963, Soils and Fertilizers, V26, P293
[10]
FELBECK G. T., 1965, ADVANCE AGRON, V17, P327, DOI 10.1016/S0065-2113(08)60417-4