编号 | 候选名词 | 总数 | 文章数 | 重复频率 | 词频弥散 | 来源期刊 |
---|---|---|---|---|---|---|
1 | magnetic field | 521 | 145 | 4.857 | 0.002589 | 0101050,0101085,etc |
2 | ground state | 375 | 137 | 2.077 | 0.001325 | 0101079,0101047,etc |
3 | experimental datum | 300 | 131 | 3.75 | 0.000921 | 0101059,0101047,etc |
4 | electric field | 341 | 117 | 2.429 | 0.001735 | 0101025,0101098,etc |
5 | boundary condition | 309 | 110 | 4.143 | 0.001532 | 0101025,0101097,etc |
6 | initial condition | 230 | 104 | 2.308 | 0.00071 | 0101079,0101032,etc |
7 | differential equation | 146 | 88 | 2.286 | 0.000779 | 0101079,0101015,etc |
8 | matrix element | 274 | 77 | 3.0 | 0.002885 | 0101032,0101086,etc |
9 | electromagnetic field | 211 | 75 | 6.0 | 0.001288 | 0101054,0101011,etc |
10 | numerical simulation | 173 | 70 | 3.4 | 0.000987 | 0101073,0101037,etc |
11 | angular momentum | 233 | 65 | 4.333 | 0.001355 | 0101072,0101085,etc |
12 | quantum mechanic | 201 | 61 | 2.25 | 0.001048 | 0101054,0101108,etc |
13 | initial state | 114 | 54 | 2.714 | 0.000894 | 0102038,0102031,etc |
14 | phase space | 107 | 48 | 3.2 | 0.000916 | 0101067,0101037,etc |
15 | final state | 94 | 47 | 4.0 | 0.000693 | 0102070,0102003,etc |
16 | electromagnetic wave | 85 | 40 | 4.0 | 0.001075 | 0101108,0101101,etc |
17 | plane wave | 94 | 39 | 4.0 | 0.001237 | 0102053,0102084,etc |
18 | experimental value | 75 | 36 | 4.5 | 0.000926 | 0101053,0101004,etc |
19 | velocity field | 121 | 36 | 2.8 | 0.001031 | 0101037,0101025,etc |
20 | potential energy | 71 | 34 | 2.5 | 0.00031 | 0101079,0101086,etc |
21 | time step | 98 | 33 | 3.333 | 0.000954 | 0101079,0101037,etc |
22 | wave equation | 121 | 30 | 6.0 | 0.000982 | 0101008,0101005,etc |
23 | physical system | 50 | 29 | 3.0 | 0.000678 | 0102014,0102003,etc |
24 | harmonic oscillator | 77 | 28 | 3.0 | 0.001409 | 0101054,0101102,etc |
25 | spontaneous emission | 69 | 28 | 3.667 | 0.000764 | 0101054,0101088,etc |
26 | time dependence | 53 | 28 | 2.75 | 0.000576 | 0101029,0101061,etc |
27 | New York | 56 | 27 | 2.2 | 0.000522 | 0101039,0101058,etc |
28 | dynamical system | 57 | 25 | 4.0 | 0.00071 | 0101067,0101025,etc |
29 | physical quantity | 69 | 25 | 5.0 | 0.000452 | 0101098,0101091,etc |
30 | valence electron | 88 | 25 | 4.333 | 0.001339 | 0102070,0102030,etc |
31 | special relativity | 62 | 25 | 4.0 | 0.001024 | 0102013,0102014,etc |
32 | Bessel function | 54 | 24 | 3.0 | 0.00087 | 0102018,0102077,etc |
33 | wave vector | 51 | 23 | 2.333 | 0.000827 | 0102065,0102018,etc |
34 | quantum theory | 45 | 22 | 2.5 | 0.000516 | 0101054,0101068,etc |
35 | laser pulse | 74 | 22 | 6.5 | 0.001413 | 0102088,0102038,etc |
36 | phase transition | 84 | 22 | 6.0 | 0.001134 | 0102086,0102072,etc |
37 | electron beam | 111 | 22 | 3.0 | 0.003657 | 0103062,0103074,etc |
38 | diffusion coefficient | 42 | 21 | 7.0 | 0.001156 | 0101061,0101090,etc |
39 | group velocity | 75 | 21 | 4.5 | 0.001307 | 0102086,0102001,etc |
40 | energy spectrum | 48 | 19 | 2.25 | 0.001191 | 0101037,0101054,etc |
41 | reference frame | 37 | 19 | 5.0 | 0.000511 | 0101085,0101091,etc |
42 | dispersion relation | 79 | 19 | 6.5 | 0.00183 | 0102031,0102001,etc |
43 | critical value | 32 | 18 | 2.5 | 0.000581 | 0104048,0104011,etc |
44 | energy density | 39 | 18 | 2.333 | 0.001462 | 0104019,0104054,etc |
45 | angular distribution | 60 | 17 | 5.0 | 0.001228 | 0105003,0105099,etc |
46 | standard model | 52 | 16 | 4.0 | 0.001103 | 0101053,0101044,etc |
47 | exact solution | 53 | 16 | 2.333 | 0.001452 | 0101061,0101011,etc |
48 | classical mechanic | 49 | 16 | 2.5 | 0.001513 | 0101085,0101011,etc |
49 | dipole moment | 43 | 16 | 3.0 | 0.001903 | 0101098,0101097,etc |
50 | acoustic wave | 42 | 16 | 3.0 | 0.000828 | 0102086,0102060,etc |
51 | Table I | 29 | 16 | 3.0 | 0.000516 | 0103002,0103046,etc |
52 | density matrix | 60 | 16 | 3.0 | 0.000878 | 0106095,0106043,etc |
53 | fractal dimension | 63 | 15 | 10.0 | 0.002741 | 0101067,0101041,etc |
54 | thermal equilibrium | 33 | 15 | 3.75 | 0.001152 | 0102086,0102052,etc |
55 | rest mass | 105 | 15 | 3.0 | 0.002678 | 0102013,0102077,etc |
56 | growth rate | 48 | 15 | 3.333 | 0.001081 | 0103081,0103022,etc |
57 | phase difference | 38 | 15 | 2.25 | 0.000911 | 0103026,0103063,etc |
58 | free space | 23 | 15 | 4.0 | 0.0005 | 0103011,0103049,etc |
59 | Hilbert space | 39 | 15 | 5.0 | 0.000627 | 0105035,0105046,etc |
60 | transmission coefficient | 51 | 14 | 5.0 | 0.000641 | 0102053,0102020,etc |
61 | decay rate | 31 | 13 | 14.0 | 0.001166 | 0101077,0101068,etc |
62 | energy distribution | 25 | 13 | 3.0 | 0.000832 | 0102080,0102068,etc |
63 | light intensity | 28 | 13 | 7.0 | 0.000835 | 0103088,0103059,etc |
64 | partial wave | 49 | 13 | 3.5 | 0.001207 | 0103035,0103036,etc |
65 | helium atom | 44 | 13 | 2.5 | 0.000721 | 0103064,0103063,etc |
66 | present model | 22 | 13 | 3.0 | 0.000527 | 0105062,0105098,etc |
67 | electric charge | 29 | 13 | 3.0 | 0.001001 | 0105022,0105068,etc |
68 | Reynolds number | 67 | 12 | 3.333 | 0.003091 | 0101037,0101027,etc |
69 | particle physics | 39 | 12 | 17.0 | 0.000547 | 0101039,0101028,etc |
70 | current density | 27 | 12 | 2.667 | 0.000442 | 0102014,0102001,etc |
71 | kinetic equation | 47 | 12 | 7.0 | 0.000828 | 0103021,0103025,etc |
72 | free energy | 30 | 12 | 2.5 | 0.000834 | 0105067,0105022,etc |
73 | classical electrodynamics | 17 | 11 | 3.0 | 0.000526 | 0101054,0101060,etc |
74 | experimental evidence | 18 | 11 | 3.0 | 0.000388 | 0101015,0101008,etc |
75 | partition function | 26 | 11 | 2.4 | 0.002768 | 0102064,0102086,etc |
76 | laser intensity | 38 | 11 | 5.0 | 0.001772 | 0102032,0102023,etc |
77 | energy transfer | 29 | 11 | 5.0 | 0.000513 | 0103050,0103053,etc |
78 | vacuum chamber | 29 | 11 | 2.5 | 0.000615 | 0103050,0103064,etc |
79 | resonance frequency | 51 | 11 | 2.5 | 0.003522 | 0105020,0105032,etc |
80 | spherical harmonics | 26 | 11 | 3.5 | 0.000485 | 0105018,0105030,etc |
81 | crystallographic plane | 40 | 11 | 3.7 | 0.000684 | 0109041,0109048,etc |
82 | control system | 37 | 11 | 2.6 | 0.003372 | 0111181,0111136,etc |