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Crystals

Crystals

formations of small irregular solid material often composed of calcium, uric acid and phosphate.


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Re: Bird-Dinosaur News

... is a by-product of uranium decay. Helium is so small it much of the helium would diffuse while nuclear decay continues. Research done on zircon crystals inside "1.5 billion an" granite in New Mexico found alot of helium when heated. The diffusion data matched assumed 6000 years calculations ...

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by AFJ
Wed Jul 08, 2009 2:51 am
 
Forum: Evolution
Topic: Bird-Dinosaur News
Replies: 44
Views: 1044

Re: Borax Crystals

Wow, thx a lot for your answer, it was GREAT! :mrgreen:

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by 2shoes
Wed Apr 01, 2009 10:03 pm
 
Forum: General Discussion
Topic: Borax Crystals
Replies: 2
Views: 846

Re: Borax Crystals

I think what you are asking, then, is how do crystals form. The physics of crystal formation is essentially the same, whether you're talking about borax crystals in a classroom, or mineral crystallization in molten rock, or stalagmite/stalagtite ...

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by blcr11
Wed Apr 01, 2009 3:05 pm
 
Forum: General Discussion
Topic: Borax Crystals
Replies: 2
Views: 846

Borax Crystals

Hi, i am doing a lab with borax crystals but i have no clue on chemistry behind borax crystals. Does anyone know the chemistry behind how borax crystals formation. My teacher gave me this lab from : http://chemistry.about.com/cs/howtos/ht/boraxsnowflake.htm ...

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by 2shoes
Tue Mar 31, 2009 11:16 pm
 
Forum: General Discussion
Topic: Borax Crystals
Replies: 2
Views: 846

Crystallization of small RNA Hairpin Structures

... annealing they bond with neighboring RNA sequences instead of the sequence from their own chain, preventing the presentation of the hairpin in any crystals that form. Am I overlooking anything from the crystallization process of RNA, or does anyone else have any ideas? ex. of GUAA Tetraloop is ...

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by cgh24
Mon Mar 09, 2009 6:56 pm
 
Forum: Cell Biology
Topic: Crystallization of small RNA Hairpin Structures
Replies: 0
Views: 269
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