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
2,99 € Add to cart
Add to Wish List
Want cheaper?
ID number:217011
 
Evaluation:
Published: 09.10.2008.
Language: Latvian
Level: Elementary school
Literature: n/a
References: Not used
Extract

Papīrs
Papīrā ir miljoniem cieši kopā salipušu augu šķiedru.
Papīra galvenā izejviela ir koksne.
Tam pievieno arī citus materiālus, piemēram, krītu vai titāna dioksīdu.
Pazīstami apmēram 600 papīra veidi.
Celuloze
Celuloze ir kokšķiedra – ūdenī nešķīstošs ogļhidrāts, augu šūnapvalku galvenā daļa.
Savvaļas kokvilnā ir – 95–98%, linos – 60–85%, koksnē 40–55%, salmos, niedrēs 30–40% tīras celulozes.
Celuloze ir no tiem dabas produktiem, kuru mākslīgi nav iespējams iegūt.
Vienai tonnai celulozes nepieciešami pieci kubikmetri meža.

Work pack:
GREAT DEAL buying in a pack your savings −4,48 €
Work pack Nr. 1148634
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