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Melvil Decimal System: 539.722

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

Dewmoji: ๐Ÿ”ฌ > ๐ŸŽ > โš› > ? > ? > ?

0
Information
183,829
โ„น๏ธ
1
Philosophy and Psychology
172,351
๐Ÿ’ญ
2
Religion
443,755
๐Ÿ™๐Ÿฝ
3
Social Sciences
952,115
๐Ÿ‘ซ
4
Language
123,707
๐Ÿ’ฌ
5
Mathematics and Science
297,296
๐Ÿ”ฌ
6
Technology
692,375
๐Ÿ’ก
7
Arts and Recreation
669,452
๐ŸŽจ
8
Literature
891,726
๐Ÿ“š
9
Biography and History
567,666
๐Ÿ—ฟ
50
General Science
23,864
๐Ÿ”ฌ
51
Mathematics
56,683
โž—
52
Astronomy
16,316
๐ŸŒŒ
53
Physics
30,054
๐ŸŽ
54
Chemistry
19,002
โš—
55
Earth sciences & geology
26,281
๐ŸŒŽ
56
Fossils & prehistoric life
6,175
๐Ÿ’€
57
Life Sciences
40,856
๐Ÿ 
58
Botany
16,495
๐ŸŒฟ
59
Zoology
61,570
๐Ÿผ
530
Physics
14,732
๐ŸŽ
531
Mechanics
2,427
๐Ÿ’จ
532
Fluid mechanics
1,142
๐Ÿ’ฆ
533
Gas dynamics; Aerodynamics; Pneumatics
247
โ˜๏ธ
534
Sound; Acoustics
583
๐Ÿ””
535
Optics
2,828
๐ŸŒˆ
536
Heat; Thermodynamics
996
๐Ÿ”ฅ
537
Electricity
2,214
โšก
538
Magnetism
917
ฮฆ
539
Nuclear physics; Matter
3,968
โš›
539.0
35
539.1
Theory; Molecular structure
113
539.2
Properties of solids
121
539.3
Elasticity; Torsion
3
539.4
Strength of materials
539.5
Permanent displacement of molecules
1
539.6
Intermolecular forces
126
539.7
Radioactivity
3,099
539.8
2
539.9
539.70
126
539.71539.72
739
539.73
137
539.74
45
539.75
241
539.76
95
539.77
42
539.78539.79
Tables; Problems; Questions
539.720
11
539.721
342
539.722
46
539.723
28
539.724539.725
108
539.726539.727539.728539.729
539.7220
1
539.7221539.7222
22
539.7223
16
539.7224539.7225539.7226539.7227539.7228539.7229

Works under MDS 539.722

1–39 of 39 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

Related tags

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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