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Ruler

ruler

1. One who rules; one who exercises sway or authority; a governor. And he made him ruler over all the land. (gen. Xii. 43) A prince and ruler of the land. (Shak)

2. A straight or curved strip of wood, metal, etc, with a smooth edge, used for guiding a pen or pencil in drawing lines. Cf. Rule, 7 . Parallel ruler. See Parallel.


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Agriculture and Microbiology come together (Research Prjct)

... (like a handful or two). Mix in 2 cups of water, and a table spoon of water softener. Wait for them to separate, then measure the layers with a ruler to see what percentage of each there is. I just realized that my nutrient blend won't have an Ammonia content, so I decided that Ammonia Carbonate ...

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by Sophiahotep
Thu Nov 14, 2013 9:29 pm
 
Forum: Microbiology
Topic: Agriculture and Microbiology come together (Research Prjct)
Replies: 2
Views: 1328

Help with old, heavy bone id

I'll get more photos with a ruler for comparison tonight. Will also weigh it alone and do a displacement test. Will report back. Thank you for the suggestions, animartco. Oh, the blue thing is a standard size BIC lighter.

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by tlongren
Fri Aug 23, 2013 4:14 pm
 
Forum: Zoology Discussion
Topic: Help with old, heavy bone id
Replies: 8
Views: 1660

Re:

... seems that a few hundred years from now people will have no idea what pens and paper are. How many people under 40 know how to use a logarithmic ruler today? Now, for the sake of the argument, let’s say tomorrow we permanently lose electricity (like in “The Day the Earth Stood Still”). Considering ...

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by Cat
Sat Oct 22, 2011 12:06 am
 
Forum: Evolution
Topic: 2 Basic Questions
Replies: 15
Views: 4662

Northern blot + imageJ + homework help

... doing the [highest concentration - 0 concentration (for area) -control ] / ADH found in lanes that are not control. However, I'm left with a ruler on the image and really not knowing what to do with that. So my questions are: I'm I doing this wrong? Why is there a ruler?

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by exothermique
Tue Mar 31, 2009 7:13 pm
 
Forum: Bioinformatics
Topic: Northern blot + imageJ + homework help
Replies: 0
Views: 2085

need help finding what type of bone this is!

Nice bone. But I think you missed one thing: a ruler or something to measure its size ;)

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by DoctorStein
Fri Jul 11, 2008 9:00 am
 
Forum: General Discussion
Topic: need help finding what type of bone this is!
Replies: 4
Views: 2386
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