Physics & Astronomy
catalysts
59%
counters
56%
copper
45%
alkynes
35%
cycloaddition
34%
ions
29%
reaction time
25%
nuclear magnetic resonance
17%
preparation
15%
single crystals
13%
diffraction
11%
spectroscopy
11%
x rays
9%
Engineering & Materials Science
Radiation counters
100%
Catalysts
54%
Copper
52%
Cycloaddition
43%
Derivatives
35%
Nuclear magnetic resonance spectroscopy
32%
Single crystals
24%
X ray diffraction
20%
Earth & Environmental Sciences
catalyst
57%
copper
45%
ion
40%
nuclear magnetic resonance
20%
comparative study
19%
additive
18%
analytical method
18%
spectroscopy
17%
X-ray diffraction
16%
crystal
14%
Chemistry
Counterion
58%
Cycloaddition
27%
Catalyst
26%
Single Crystal X-Ray Diffraction
23%
Additive
21%
NMR Spectroscopy
21%
Time
11%