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Melvil Decimal System: 539.74

Wording: Mathematics and Science > Physics > Nuclear physics; Matter > Radioactivity > Not set

Dewmoji: ๐Ÿ”ฌ > ๐ŸŽ > โš› > ? > ?

0
Information
179,064
โ„น๏ธ
1
Philosophy and Psychology
167,145
๐Ÿ’ญ
2
Religion
436,901
๐Ÿ™๐Ÿฝ
3
Social Sciences
912,661
๐Ÿ‘ซ
4
Language
121,346
๐Ÿ’ฌ
5
Mathematics and Science
288,882
๐Ÿ”ฌ
6
Technology
666,318
๐Ÿ’ก
7
Arts and Recreation
658,667
๐ŸŽจ
8
Literature
877,170
๐Ÿ“š
9
Biography and History
559,529
๐Ÿ—ฟ
50
General Science
23,427
๐Ÿ”ฌ
51
Mathematics
55,021
โž—
52
Astronomy
16,002
๐ŸŒŒ
53
Physics
28,638
๐ŸŽ
54
Chemistry
17,604
โš—
55
Earth sciences & geology
25,681
๐ŸŒŽ
56
Fossils & prehistoric life
6,132
๐Ÿ’€
57
Life Sciences
39,321
๐Ÿ 
58
Botany
16,168
๐ŸŒฟ
59
Zoology
60,888
๐Ÿผ
530
Physics
14,113
๐ŸŽ
531
Mechanics
2,343
๐Ÿ’จ
532
Fluid mechanics
1,081
๐Ÿ’ฆ
533
Gas dynamics; Aerodynamics; Pneumatics
227
โ˜๏ธ
534
Sound; Acoustics
565
๐Ÿ””
535
Optics
2,733
๐ŸŒˆ
536
Heat; Thermodynamics
949
๐Ÿ”ฅ
537
Electricity
2,073
โšก
538
Magnetism
867
ฮฆ
539
Nuclear physics; Matter
3,687
โš›
539.0
35
539.1
Theory; Molecular structure
113
539.2
Properties of solids
109
539.3
Elasticity; Torsion
3
539.4
Strength of materials
539.5
Permanent displacement of molecules
1
539.6
Intermolecular forces
108
539.7
Radioactivity
2,849
539.8
2
539.9
539.70
122
539.71539.72
661
539.73
119
539.74
37
539.75
215
539.76
85
539.77
36
539.78539.79
Tables; Problems; Questions
539.740
1
539.741539.742539.743
2
539.744
4
539.745539.746539.747539.748539.749

Works under MDS 539.74

1–38 of 38 titles | covers | shelf

Wording

1922 Edition
Modern language
Emoji

"Far Friends"

MDS classes with significant recommendations overlap, excluding ones under the same top-level class.

None

What is MDS?

Melvil stands for "Melvil Decimal System," named after Melvil Dewey, the famous librarian. Melvil Dewey invented his Dewey Decimal System in 1876, and early versions of his system are in the public domain.

More recent editions of his system are in copyright, and the name "Dewey," "Dewey Decimal," "Dewey Decimal Classification" and "DDC" are registered trademarked by OCLC, who publish periodic revisions.

LibraryThing's MDS system is based on the classification work of libraries around the world, whose assignments are not copyrightable. MDS "scheduldes" (the words that describe the numbers) are user-added, and based on public domain editions of the system.

The Melvil Decimal System is NOT the Dewey Decimal System of today. Wordings, which are entered by members, can only come from public domain sources. The base system is the Free Decimal System, a public domain classification created by John Mark Ockerbloom. Where useful or necessary, wording comes from the 1922 edition of the Dewey Decimal System. Language and concepts may be changed to fit modern tastes, or to better describe books cataloged. Wordings may not come from in-copyright sources.

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