Add Papers Marked0
Paper checked off!

Marked works

Viewed0

Viewed works

Shopping Cart0
Paper added to shopping cart!

Shopping Cart

Register Now

internet library
Atlants.lv library
FAQ
1,99 € Add to cart
Add to Wish List
Want cheaper?
ID number:659118
 
Author:
Evaluation:
Published: 21.01.2010.
Language: Latvian
Level: Secondary school
Literature: n/a
References: Not used
Extract

Kas ir blīvums?
Blīvums raksturo noteikta vielas tilpuma masu. Tas ir atkarīgs no temperatūras, paaugstinoties temperatūrai, parasti blīvums samazinās. Tas ir saistīts ar termisko izplešanos, kad nemainoties masai palielinās tilpums.
Polimēriem ir ļoti zems blīvums, tāpēc laikmetā, kad krasi izteikta tieksme samazināt konstrukciju masu(tas sevišķi svarīgi dažāda veida transportlīdzekļiem), šī polimēru īpatnība ir visai noderīga.
Polimēru blīvuma iegūšanas metodes
Piktonometrija
ASTM D792
ASTM D4883(šajā metodē izmanto ultraskaņas)
ASTM D1505(Blīvuma gradienta kolonnu metode).…

Author's comment
Work pack:
GREAT DEAL buying in a pack your savings −3,98 €
Work pack Nr. 1117571
Load more similar papers

Atlants

Choose Authorization Method

Email & Password

Email & Password

Wrong e-mail adress or password!
Log In

Forgot your password?

Draugiem.pase
Facebook

Not registered yet?

Register and redeem free papers!

To receive free papers from Atlants.com it is necessary to register. It's quick and will only take a few seconds.

If you have already registered, simply to access the free content.

Cancel Register