๐”– Bobbio Scriptorium
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The ultimate vacua of two-stage rotary oil pumps

โœ Scribed by D.A. Hockly


Publisher
Elsevier Science
Year
1954
Tongue
English
Weight
486 KB
Volume
4
Category
Article
ISSN
0042-207X

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A two-stage preparation of mesophase pit
โœ Yang Duk Park; Isao Mochida ๐Ÿ“‚ Article ๐Ÿ“… 1989 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 733 KB

The preparation of mesophase pitch as a precursor for the high-performance carbon fiber from a vacuum residue of FCC-decant oil (FCC-DOVR) was studied, applying a two-stage heat treatment to improve the pitch yield as well as its liquid crystal properties. The present two-stage preparation consisted