Landbrug og biologi
photoacoustic spectroscopy
100%
labile carbon
95%
infrared spectroscopy
70%
soil organic carbon
60%
soil
31%
reflectance spectroscopy
25%
amides
18%
microphones
12%
aromatic amines
12%
soil composition
12%
total organic carbon
11%
soil analysis
10%
near-infrared spectroscopy
10%
chemical compounds
10%
Denmark
9%
carboxylic acids
9%
reflectance
8%
total nitrogen
8%
least squares
8%
nitrogen content
8%
clay
8%
methodology
7%
polysaccharides
6%
carbon
5%
sampling
3%
Medicin og biovidenskab
Soil
67%
Carbon
61%
Spectrum Analysis
61%
Fourier Analysis
42%
Amides
12%
Clay
7%
Carboxylic Acids
6%
Near-Infrared Spectroscopy
6%
Least-Squares Analysis
5%
Denmark
5%
Amines
5%
Nitrogen
5%
Polysaccharides
4%
Geo- og miljøvidenskab
infrared spectroscopy
66%
organic carbon
48%
Fourier transform
35%
soil
26%
reflectance
14%
near infrared
10%
spectroscopy
9%
degradability
7%
soil analysis
7%
chemical compound
6%
carboxylic acid
6%
spectral band
6%
polysaccharide
5%
amine
5%
total organic carbon
5%
field experiment
5%
incubation
4%
clay
3%
nitrogen
3%
indicator
3%
carbon
3%
parameter
1%
effect
1%