Earth and Planetary Sciences
Sample
100%
Organic Matter
45%
Chondrite
43%
Value
38%
Carbon
37%
Investigation
33%
Isotopic Composition
32%
Parent Body
30%
Solar System
29%
Carbonaceous Chondrite
28%
Meteorite
28%
Organic Compound
24%
Earth
23%
Particle
21%
Show
21%
Phyllosilicate
20%
Ratio
20%
Nitrogen
17%
Molecule
16%
Asteroid Ryugu
16%
Mineral
14%
Spacecraft
14%
Polycyclic Aromatic Hydrocarbon
14%
Nuclides
13%
Space Weathering
12%
Record
12%
Iron
11%
Variation
11%
Oxygen
11%
Water
11%
Hydrogen
10%
Japan
10%
Chain
10%
Murchison Meteorite
10%
Amino Acid
10%
Total Organic Carbon
10%
Acid
10%
Biomarker
10%
Condition
10%
Rock
10%
Sediment
10%
Signature
9%
Abundance
9%
Report
9%
Spectra
9%
Difference
9%
Fragment
9%
Datum
9%
Marine Sediment
8%
Oxidation
8%
Chemistry
Sample
41%
Procedure
14%
Soluble
13%
Analytical Method
11%
Amino Acid
11%
Phase Composition
10%
Molecule
9%
Surface
9%
Concentration
8%
Organic Molecule
8%
Electrospray Ionization
8%
Organic Matter
7%
Polycyclic Aromatic Hydrocarbons
7%
Chemical Reaction
6%
Fractionation
6%
Spectroscopy
6%
High Resolution Mass Spectrometry (HRMS)
6%
Carbon Isotope
5%
Nitrogen
5%
Hydrocarbon
5%
Acid
5%
Group
5%
Degradation
5%
Hydrogen
5%
Water Type
5%
Organic Compound
5%
Oxidation Reaction
5%
Lipid
5%