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Melvil Decimal System: 660.2804

Wording: Technology > Chemical Technology > Chemistry; Chemical Engineering > Chemical engineering > Not set > Not set > Not set

Dewmoji: 💡 > 🚀 > ⚗ > ? > ? > ? > ?

0
Information
174,374
ℹī¸
1
Philosophy and Psychology
161,779
💭
2
Religion
423,184
🙏đŸŊ
3
Social Sciences
881,318
đŸ‘Ģ
4
Language
118,009
đŸ’Ŧ
5
Mathematics and Science
273,977
đŸ”Ŧ
6
Technology
639,279
💡
7
Arts and Recreation
651,427
🎨
8
Literature
865,204
📚
9
Biography and History
550,807
đŸ—ŋ
60
General Technology
6,246
💡
61
Medicine
207,687
💉
62
Engineering
102,547
🔩
63
Agriculture & Animal Husbandry
61,846
🌱
64
Home Economics
122,983
🏠
65
Business
99,253
👔
66
Chemical Technology
11,499
🚀
67
Manufacturing
4,874
đŸ“Ļ
68
Handicraft and Occupations
14,123
🔨
69
Building
8,221
👷
660
Chemistry; Chemical Engineering
3,528
⚗
661
Chemicals
230
âŖ
662
Explosives; Fuel
531
đŸ’Ŗ
663
Beverages
806
664
Foods: Sugar, Starch, etc.
2,450
🍞
665
Lights: Gas, Oil, Candles, etc.
638
đŸ›ĸ
666
Ceramics: Glass, Clay, Cement, etc.
602
đŸē
667
Bleaching; Dyeing; Inks; Paints
442
🖌
668
Other Organic Chemic Industries
1,381
💄
669
Metallurgy; Assaying
891
💍
660.0
192
660.1
4
660.2
Chemical engineering
1,248
660.3
1
660.4
1
660.5
1
660.6
Biotechnology
1,146
660.7
5
660.8
62
660.9
4
660.20
14
660.21
1
660.22660.23660.24660.25
1
660.26660.27660.28
849
660.29
235
660.280
159
660.281
Chemical processes
133
660.282
8
660.283
102
660.284
373
660.285660.286
Environmental aspects of chemical engineering
3
660.287660.288
1
660.289
660.2800
11
660.2801
2
660.2802
2
660.2803660.2804
138
660.2805660.2806660.2807
6
660.2808660.2809
660.28040
4
660.28041660.28042660.28043660.28044660.28045660.28046660.28047660.28048660.28049

Works under MDS 660.2804

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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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