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4638 threads, 37207 comments
(9 Viewing)
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05/19/2013
by Anonymous Poster
I am making fuel from organic and hydrocarbon material. The fuel we are producing has a Sulfur content of 0.8% wt and 0.9% wt respectively. Does anyon...
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05/17/2013
by 4wsilver
As part of a solar powered generator I am in the process of building an engine that will use a refrigerant as the working fluid. It will have a heated...
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05/17/2013
by az native
I was recomended by an engineer to use a rubber flat grooved drive belt [the same like in washing machines] to reduce 1;10 rpm.
The engine's shaft ha...
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05/06/2013
by niya2000007
Looking for a Non hygroscopic elastomer with water absorption rate under ISO 62 or ASTM D570 , HB ,shore A above 60 ,parts need to he pasted with stic...
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05/02/2013
by Thundherr
how do i convert 1.1556 specific gravity to milli-siemens?
i have just grabbed a sample from a phosphoric acid tank, the specific gravity is 1.1556....
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Section Blogs
Other Blog Entries of Interest
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02/21/2012
posted in OH CR4P!
by cheme_wordsmithy
Ever played the board game RISK? Even if you haven't, you've
most likely heard of it. The game is aptly named because, regardless of the
strategy im...
Pathfinder Tags: disaster Risk
Views: 318,
Comments: 3
Last comment 04/23/2013
by N.
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09/27/2011
posted in Speaking of Precision
by Milo
For those who thought they knew everything that could be known about heat treating steel.
Minimizing time rather than maximizing temperature soak s...
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09/07/2011
posted in GEA's Global HVAC Technology Blog
by geanorm
Editor's Note: CR4 would like to thank PJ Sikorsky of GEA Consulting for contributing this blog entry.
Imitation may be the
highest form of flattery...
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08/10/2011
posted in GEA's Global HVAC Technology Blog
by geanorm
Editor's Note: CR4 would like to thank PJ Sikorsky for contributing this blog entry, which complements his last post about material selection.
Contin...
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07/27/2011
posted in Speaking of Precision
by Milo
Yes, you put on rust
preventive. Yet, some parts seem more prone to rust than others.
Why do some
parts rust more easily than others?
PMPA membe...
Views: 370,
Comments: 2
Last comment 07/31/2011
by Doorman
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07/19/2011
posted in GEA's Global HVAC Technology Blog
by geanorm
Editor's Note: CR4 would like to thank PJ Sikorsky, Metallurgical Consultant, for contributing this blog entry, which originally ran here.
I can't
b...
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