Химические соединения

1. Chalcogens 100%
2. Anions 74%
3. Discrete Fourier transforms 65%
4. Exchange interactions 55%
5. Paramagnetic resonance 54%
6. Single crystals 46%
7. Salts 39%
8. Ligands 39%
9. Rhenium 35%
10. Atoms 34%
11. Thiadiazoles 31%
12. Ground state 31%
13. Spectroscopy 28%
14. X ray diffraction analysis 28%
15. X ray diffraction 25%
16. phosphine 21%
17. Molecules 20%
18. Crystals 20%
19. Electrons 19%
20. SQUIDs 19%
21. Ultraviolet spectroscopy 19%
22. Iodides 18%
23. Copper 18%
24. Derivatives 18%
25. Cations 17%
26. Charge transfer 17%
27. Density functional theory 17%
28. Sulfur 17%
29. Thermochemistry 16%
30. Phosphorescence 16%
31. Oxides 16%
32. Hydrogen bonds 16%
33. Decomposition 16%
34. Nitrogen 15%
35. Temperature 15%
36. Electronic structure 14%
37. Orbits 14%
38. Oxidation 14%
39. Thermodynamic stability 13%
40. Magnetic susceptibility 13%
41. Azides 13%
42. Materials science 13%
43. Thiophenes 12%
44. Cyclic voltammetry 12%
45. Dihedral angle 12%
46. Computational chemistry 12%
47. Absorption spectra 11%
48. Alkali Metals 11%
49. Dimers 11%
50. Amines 11%

Технические дисциплины и материаловедение

1. Discrete Fourier transforms 41%
2. Negative ions 36%
3. Paramagnetic resonance 33%
4. Atoms 24%
5. Ground state 22%
6. Ligands 22%
7. Molecules 21%
8. Single crystals 19%
9. SQUIDs 17%
10. Exchange interactions 17%
11. X ray diffraction 17%
12. Ultraviolet spectroscopy 14%
13. Salts 14%
14. Sulfur 13%
15. Spectroscopy 13%
16. Electrons 12%
17. Computational chemistry 12%
18. Derivatives 11%
19. Thermodynamics 11%
20. Addition reactions 10%
21. Electron affinity 10%
22. Crystalline materials 10%
23. Alkali metals 9%
24. Crystals 9%
25. Thiophene 9%
26. Condensation 9%
27. Rare earth elements 8%
28. Complexation 8%
29. Absorption spectroscopy 8%
30. Palladium 8%
31. Molecular structure 7%
32. Oxides 7%
33. Charge transfer 7%
34. Ion exchange 7%
35. Orbits 7%
36. Energy gap 7%
37. Hydrogen bonds 7%
38. Dyes 6%
39. Dimers 6%
40. Nuclear magnetic resonance spectroscopy 6%
41. Gold 6%
42. Cyclic voltammetry 6%
43. Nitrogen 5%
44. Crystallization 5%
45. Electronic structure 5%
46. Phosphorescence 5%
47. Tensors 5%
48. Geometry 5%
49. Ionization potential 5%

Физика и астрономия

Chemistry and Materials

1. rhenium 28%
2. iodides 16%
3. tetrazoles 13%
4. imidazoles 12%
5. mesitylene 11%
6. quinoxalines 11%
7. thermal decomposition 10%
8. thiophenes 8%
9. quinones 8%
10. acids 7%
11. molybdenum 7%
12. fluorine 7%
13. chemistry 7%
14. nitrogen 7%
15. oxidation 6%
16. cytochromes 6%
17. iron 5%
18. hydrogen bonds 5%
19. composite materials 5%

General

1. ligands 16%
2. synthesis 14%
3. thermochemistry 13%
4. thermal stability 13%
5. decomposition 13%
6. congeners 11%
7. carbenes 9%
8. breathing 9%
9. single crystals 8%
10. interactions 7%
11. thermal analysis 7%
12. kinetics 6%
13. assembly 6%
14. alignment 6%
15. substitutes 6%
16. density functional theory 5%
17. electronic structure 5%
18. salts 5%
19. vapor phases 5%

Engineering

1. x rays 12%
2. magnetic permeability 7%

Physics

1. diffraction 10%
2. cycles 8%
3. valence 7%
4. atoms 7%
5. ground state 6%
6. elimination 6%
7. anions 6%

Aerospace Sciences

1. spectroscopy 7%
2. orbits 6%

Life Sciences

1. cats 5%