Dictionary » P » PH Scale

PH Scale

(chemistry) p(otential of) H(ydrogen); the logarithm of the reciprocal of hydrogen-ion concentration in gram atoms per liter; provides a measure on a scale from 0 to 14 of the acidity or alkalinity of a solution (where 7 is neutral and greater than 7 is acidic and less than 7 is basic).

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... to have specific growth rates, not just information on whether or not an organism would grow or not. And since I have no way to do this on a large scale this won't help. Regarding your proposed experiment, there is something that I would like to ask: if you do the experiment as you are saying, ...

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by sosippus
Wed Sep 24, 2014 7:44 pm
Forum: Microbiology
Topic: Oxygen requirements of eukaryotes
Replies: 3
Views: 339

Graphs depicting qPCR fold change

... in hearing people opinions about what is the best/accepted way to display the fold change values in a graph, specifically the fold change axis scale? I have seen it presented in one of 2 ways 99% of the time, but neither of these are ideal as far as I can tell: 1. On a scale from 0 to whatever, ...

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by loudowns
Mon Jun 30, 2014 4:37 pm
Forum: Molecular Biology
Topic: Graphs depicting qPCR fold change
Replies: 0
Views: 601

Re: Brain size=IQ level theory (Blacks vs Whites & Asians)

... your "doctorate" is neither in anthropology nor genetics. You simply don't know what you're talking about. In terms of evolutionary time scales humans had been isolated a relatively short time. We're talking a few tens of thousands of years at most and even then there had been continuous ...

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by Seth90210
Sun Feb 16, 2014 9:35 pm
Forum: Human Biology
Topic: Brain size=IQ level theory (Blacks vs Whites & Asians)
Replies: 72
Views: 269926

I am having difficulty identifying this structure.

... structure. http://i1331.photobucket.com/albums/w598/omegad1/Electronmicrograph_zps320cf2ae.png As for the scaling of the image scale bar on image c is = 200nm and the scale bar on image d= 100nm. Any help will be greatly appreciated.

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by omegad
Sun Dec 01, 2013 7:11 am
Forum: Cell Biology
Topic: I am having difficulty identifying this structure.
Replies: 6
Views: 2390

Diagnosis: black/brown spots on koi scales; picture included

... fish and would be better off in the neighbor's koi pond. So I can't check the fish and confirm that it's argulus. It was more like the whole scale (or the visible part, anyway) was discolored. Didn't really check it out closely but definitely didn't look like a living organism. I want to ...

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by animus
Tue Aug 13, 2013 7:53 pm
Forum: Zoology Discussion
Topic: Diagnosis: black/brown spots on koi scales; picture included
Replies: 3
Views: 2415
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