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Dictionary » N » Notation

Notation

notation

1. The act or practice of recording anything by marks, figures, or characters.

2. Any particular system of characters, symbols, or abbreviated expressions used in art or science, to express briefly technical facts, quantities, etc. Esp, the system of figures, letters, and signs used in arithmetic and algebra to express number, quantity, or operations.

3. Literal or etymological signification. 'Conscience is a latin word, and, according to the very notation of it, imports a double or joint knowledge. (south)

Origin: L. Notatio a marking, observing, etymology, fr. Notare to mark, nota a mark: cf. F. Notation. See 5th Note.


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Stem Cells and life extension

... system's electrical impulses send a song of wave functions. The element's electrical charge is in numbers: ~ O 8, N 7, C 6.. which in music notation of note waves plays a g e.. 11 and 19, Na and K play: ~d c. 17, Cl is b flat. H2O 10 is c #, CO2 is 22 ~d.. so O, C, Na/CO2, H2O, plays: a ...

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by debioc
Thu Mar 05, 2009 9:22 pm
 
Forum: Human Biology
Topic: Stem Cells and life extension
Replies: 2
Views: 282

Why aren't bacteria taking over the world?

... five nonillion (5×1030) bacteria on Earth, forming much of the world's biomass." -Wikipedia The exponent is a 30, on the scientific notation there.

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by Chmeee
Wed Sep 24, 2008 3:02 am
 
Forum: Microbiology
Topic: Why aren't bacteria taking over the world?
Replies: 15
Views: 2232

Re: Allele symbols/acronyms?

... is indicated by the name Rb fl/fl. A mouse or cell that is heterozygous for the fl allele of Rb would be called Rb fl/+ or Rb fl/w. The slash notation is used to indicate the status of both alleles of a diploid cell.

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by blcr11
Wed Sep 10, 2008 10:19 am
 
Forum: Genetics
Topic: Allele symbols/acronyms?
Replies: 7
Views: 1229

Re: Question on Hardy Weinburg Law

... relations are: pp + 2pq + qq = 1 (the probabilities of the genotypes must sum to 1.0) p + q = 1 (the allele frequncies must also sum to 1.0) Your notation is cumbersome; you can use it, but I prefer the pq-style. The equivalencies are: A^P = p A^Y = q A^P A^P = pp A^P A^Y = 2pq A^Y A^Y = qq where ...

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by blcr11
Fri Feb 15, 2008 7:20 pm
 
Forum: Genetics
Topic: Question on Hardy Weinburg Law
Replies: 2
Views: 713

Difference: Hydrogen, Hydronium, Proton

I`m a little bit confused about "H+" notation. Why many books write H+ instead of hydronium H3O+? I know that H+ cannot exist by itself, it definitely bonds with another water molecule to form hydronium. Here is an extract from Harper`s ...

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by samoyan
Sat Nov 03, 2007 3:10 am
 
Forum: Molecular Biology
Topic: Difference: Hydrogen, Hydronium, Proton
Replies: 2
Views: 625
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