November 2007
Intermediate to advanced
736 pages
46h 32m
English
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ABSORBENT MATERIALS
Various types of absorbent materials are available in the market under different trade names. The value of coefficient of absorption is supplied by the manufacturer. Following are some of the most common types of absorbent materials.
- Hair felt : This material was used by Prof. Sabin in his experimental works. The average value of coefficient of absorption of 25 mm thick hair felt is 0.60.
- Acoustic plaster : Also known as fibrous plaster, it includes granulated insulation material mixed with cement. If the quantity of cement is more than that required, the plaster will not have sufficient pores to become effective for acoustics. If the quantity of cement is less than that required then plaster will not have enough strength. ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.