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Melvil Decimal System: 539.1

Wording: Mathematics and Science > Physics > Nuclear physics; Matter > Theory; Molecular structure

Dewmoji: ๐Ÿ”ฌ > ๐ŸŽ > โš› > ?

0
Information
115,954
โ„น๏ธ
1
Philosophy and Psychology
115,844
๐Ÿ’ญ
2
Religion
351,090
๐Ÿ™๐Ÿฝ
3
Social Sciences
554,451
๐Ÿ‘ซ
4
Language
75,777
๐Ÿ’ฌ
5
Mathematics and Science
181,736
๐Ÿ”ฌ
6
Technology
414,821
๐Ÿ’ก
7
Arts and Recreation
444,897
๐ŸŽจ
8
Literature
605,140
๐Ÿ“š
9
Biography and History
396,598
๐Ÿ—ฟ
50
General Science
17,000
๐Ÿ”ฌ
51
Mathematics
32,369
โž—
52
Astronomy
10,717
๐ŸŒŒ
53
Physics
16,578
๐ŸŽ
54
Chemistry
9,875
โš—
55
Earth sciences & geology
15,630
๐ŸŒŽ
56
Fossils & prehistoric life
4,102
๐Ÿ’€
57
Life Sciences
24,338
๐Ÿ 
58
Botany
11,208
๐ŸŒฟ
59
Zoology
39,919
๐Ÿผ
530
Physics
8,689
๐ŸŽ
531
Mechanics
1,328
๐Ÿ’จ
532
Fluid mechanics
563
๐Ÿ’ฆ
533
Gas dynamics; Aerodynamics; Pneumatics
147
โ˜๏ธ
534
Sound; Acoustics
340
๐Ÿ””
535
Optics
1,593
๐ŸŒˆ
536
Heat; Thermodynamics
570
๐Ÿ”ฅ
537
Electricity
1,099
โšก
538
Magnetism
446
ฮฆ
539
Nuclear physics; Matter
1,803
โš›
539.0
20
539.1
Theory; Molecular structure
69
539.2
Properties of solids
47
539.3
Elasticity; Torsion
2
539.4
Strength of materials
539.5
Permanent displacement of molecules
539.6
Intermolecular forces
45
539.7
Radioactivity
1,221
539.8
1
539.9
539.10539.11539.12
10
539.13539.14
24
539.15
1
539.16539.17539.18539.19

Works under MDS 539.1

1–50 of 68 ( next )titles | covers | shelf
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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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