User talk:Rend~enwiki

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(Sam Spade | talk | contributions) 00:06, 16 Feb 2005 (UTC)


Abundance of the chemical elements in organisms[edit]

Hi Rend, you added a table to the article, with data from the book Biochemistry by Mary K. Campbell, Shawn O. Farrell. You wrote that the numbers are "number of atoms for a thousand carbon atoms". Looking at the numbers, I don't think that is true, it's more likely the mass per 1000 mass units of carbon and not atoms per 1000 atoms. Icek 15:34, 9 March 2007 (UTC)[reply]

See also Talk:Abundance_of_the_chemical_elements#Abundance_of_the_chemical_elements_in_organisms. A carbon atom has about 12 times the mass of a hydrogen atom. Even disregarding the water and looking only at the organic compounds in organisms, the number of hydrogen atoms is certainly larger than 1/4 the number of carbon atoms. If it were not the number of atoms but the mass of the hydrogen that is 8 - 25 % of the mass of carbon, then the number of hydrogen atoms would be 96 - 300 % of the number of carbon atoms, which is certainly closer to reality. But the number for oxygen also seems to be too low as most organisms consist mainly of water. Icek 13:03, 14 April 2007 (UTC)[reply]

Re:Laplacian[edit]

I replied at Talk:Laplace operator. Oleg Alexandrov (talk) 05:38, 14 April 2007 (UTC)[reply]

Your account will be renamed[edit]

02:22, 20 March 2015 (UTC)

Renamed[edit]

18:02, 22 April 2015 (UTC)