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Melvil Decimal System: 660.65

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

Dewmoji: ๐Ÿ’ก > ๐Ÿš€ > 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
60
General Technology
4,675
๐Ÿ’ก
61
Medicine
132,325
๐Ÿ’‰
62
Engineering
60,124
๐Ÿ”ฉ
63
Agriculture & Animal Husbandry
41,598
๐ŸŒฑ
64
Home Economics
88,244
๐Ÿ 
65
Business
62,133
๐Ÿ‘”
66
Chemical Technology
7,172
๐Ÿš€
67
Manufacturing
3,235
๐Ÿ“ฆ
68
Handicraft and Occupations
9,984
๐Ÿ”จ
69
Building
5,331
๐Ÿ‘ท
660
Chemistry; Chemical Engineering
2,260
โš—
661
Chemicals
142
โฃ
662
Explosives; Fuel
279
๐Ÿ’ฃ
663
Beverages
523
664
Foods: Sugar, Starch, etc.
1,583
๐Ÿž
665
Lights: Gas, Oil, Candles, etc.
360
๐Ÿ›ข
666
Ceramics: Glass, Clay, Cement, etc.
383
๐Ÿบ
667
Bleaching; Dyeing; Inks; Paints
324
๐Ÿ–Œ
668
Other Organic Chemic Industries
804
๐Ÿ’„
669
Metallurgy; Assaying
514
๐Ÿ’
660.0
104
660.1
4
660.2
Chemical engineering
741
660.3
1
660.4
1
660.5
1
660.6
Biotechnology
628
660.7
4
660.8
2
660.9
2
660.60
40
660.61660.62
Microbial
52
660.63
111
660.64660.65
119
660.66660.67660.68660.69
660.650
6
660.651660.652660.653660.654660.655660.656660.657660.658660.659

Works under MDS 660.65

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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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