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Melvil Decimal System: 539.7216

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

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

0
Information
184,385
โ„น๏ธ
1
Philosophy and Psychology
173,011
๐Ÿ’ญ
2
Religion
444,891
๐Ÿ™๐Ÿฝ
3
Social Sciences
956,176
๐Ÿ‘ซ
4
Language
124,030
๐Ÿ’ฌ
5
Mathematics and Science
297,976
๐Ÿ”ฌ
6
Technology
694,518
๐Ÿ’ก
7
Arts and Recreation
670,607
๐ŸŽจ
8
Literature
893,417
๐Ÿ“š
9
Biography and History
568,807
๐Ÿ—ฟ
50
General Science
23,895
๐Ÿ”ฌ
51
Mathematics
56,778
โž—
52
Astronomy
16,339
๐ŸŒŒ
53
Physics
30,187
๐ŸŽ
54
Chemistry
19,100
โš—
55
Earth sciences & geology
26,354
๐ŸŒŽ
56
Fossils & prehistoric life
6,177
๐Ÿ’€
57
Life Sciences
40,976
๐Ÿ 
58
Botany
16,527
๐ŸŒฟ
59
Zoology
61,643
๐Ÿผ
530
Physics
14,777
๐ŸŽ
531
Mechanics
2,434
๐Ÿ’จ
532
Fluid mechanics
1,145
๐Ÿ’ฆ
533
Gas dynamics; Aerodynamics; Pneumatics
248
โ˜๏ธ
534
Sound; Acoustics
586
๐Ÿ””
535
Optics
2,833
๐ŸŒˆ
536
Heat; Thermodynamics
1,005
๐Ÿ”ฅ
537
Electricity
2,224
โšก
538
Magnetism
922
ฮฆ
539
Nuclear physics; Matter
4,013
โš›
539.0
35
539.1
Theory; Molecular structure
113
539.2
Properties of solids
124
539.3
Elasticity; Torsion
3
539.4
Strength of materials
539.5
Permanent displacement of molecules
1
539.6
Intermolecular forces
127
539.7
Radioactivity
3,138
539.8
2
539.9
539.70
126
539.71539.72
749
539.73
138
539.74
48
539.75
245
539.76
95
539.77
43
539.78539.79
Tables; Problems; Questions
539.720
12
539.721
346
539.722
47
539.723
28
539.724539.725
109
539.726539.727539.728539.729
539.7210
7
539.7211
44
539.7212
8
539.7213
40
539.7214
4
539.7215
32
539.7216
72
539.7217
23
539.7218539.7219
539.72160539.72161539.72162
8
539.72163539.72164
4
539.72165539.72166539.72167
20
539.72168539.72169

Works under MDS 539.7216

1–50 of 59 ( 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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