Medicine & Life Sciences
Nitrogen Cycle
100%
Nitrification
96%
Denitrification
87%
Ice Cover
82%
Nitrates
19%
Nitrogen Fixation
13%
Central Asia
13%
Carbon Cycle
13%
Snow
13%
Cyanobacteria
11%
Polymerase Chain Reaction
10%
Ecosystem
9%
Isotopes
9%
16S Ribosomal RNA
9%
Nitrogen
8%
High-Throughput Nucleotide Sequencing
8%
Reverse Transcription
7%
Genes
7%
Agriculture & Biology
glaciers
72%
nitrogen cycle
69%
denitrification
63%
nitrification
63%
granules
44%
Nitrosomonadales
18%
nitrates
14%
genetic markers
13%
snowmelt
12%
carbon cycle
12%
microorganisms
11%
Central Asia
10%
snow
9%
nitrogen fixation
9%
isotopes
9%
community structure
8%
Cyanobacteria
7%
polymerase chain reaction
6%
reverse transcriptase polymerase chain reaction
6%
ecosystems
6%
ribosomal RNA
6%
Earth & Environmental Sciences
nitrogen cycle
64%
nitrification
48%
denitrification
47%
polymerase chain reaction
20%
marker
14%
gene
13%
nitrate
12%
nitrogen fixation
10%
Central Asia
9%
meltwater
9%
RNA
9%
carbon cycle
8%
cyanobacterium
8%
community structure
7%
snow
7%
analysis
7%
isotope
6%
nitrogen
5%
ecosystem
5%