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Formula

Formula

Origin: L, dim. Of forma form, model. SeeForm.

1. A prescribed or set form; an established rule; a fixed or conventional method in which anything is to be done, arranged, or said.

2. A written confession of faith; a formal statement of foctrines.

3. (Science: mathematics) a rule or principle expressed in algebraic language; as, the binominal formula.

4. (Science: medicine) a prescription or recipe for the preparation of a medicinal compound.

5. (Science: chemistry) a symbolic expression (by means of letters, figures, etc) of the constituents or constitution of a compound.

chemical formulae consist of the abbreviations of the names of the elements, with a small figure at the lower right hand, to denote the number of atoms of each element contained.

(Science: chemistry) empirical formula, a formula indicating the supposed molecular constitution of a compound.


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Microarray analysis - SAM

... it depends on the number of samples being analysed, and that it requires the factorial of this number - but have not been able to find the correct formula! Thank you!

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by DrCl
Tue Sep 01, 2009 12:24 pm
 
Forum: Molecular Biology
Topic: Microarray analysis - SAM
Replies: 0
Views: 32

NEED HELP ON A FORMULA/CALCULATION PLEASE!!!

Does anyone know if it is possible to work backwards from the improvement in N, P, K, nutritional values in Cattle Slurry gained by Aerobic Digestion (shown on 'before' and 'after' nutritional analysis reports), to calculate the level of digestion which took place in order to attain the improvement,...

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by rentarep
Mon Aug 17, 2009 5:15 pm
 
Forum: General Discussion
Topic: NEED HELP ON A FORMULA/CALCULATION PLEASE!!!
Replies: 0
Views: 58

[molecular bio]calculation

1 - use the well known formula: C1*V1=C2*V2 you know C2 (5mM), V2 (4ml) and V1 (50ul) solve for C2 2 - Calculate how many (milli)moles of Glutamine are needed to adjust the concentration in 1L (1mM=1mol.L) correct for the volume (express ...

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by canalon
Sat Aug 15, 2009 1:16 pm
 
Forum: Molecular Biology
Topic: [molecular bio]calculation
Replies: 3
Views: 122

Re: The Colin Leslie Dean species paradox

... chemicals--but he still gets the right reaction, because it is close enough to produce what he wants. Because he used an approximation in his formula does not negate the product produced, NOR CHEMISTRY. THE SAME EXAMPLE COULD BE USED WITH THE PYTHAGOREAN THEOREM AND THE BUILDING OF A HOUSE. ...

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by AFJ
Sat Jul 18, 2009 5:03 pm
 
Forum: Evolution
Topic: The Colin Leslie Dean species paradox
Replies: 120
Views: 2138

please help with dilutions?

... of your 100 nanograms/mL solution. then you calculate your v1. Once you have your 100 nanograms/mL you can do the following thing: use the same formula, setting c1=100 nanograms/mL, c2=10 nanograms/mL and v2=whatever volume you need of the 10 nanograms/mL solution, and then calculate v1 (in ...

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by MrMistery
Tue Jun 30, 2009 2:18 am
 
Forum: Cell Biology
Topic: please help with dilutions?
Replies: 1
Views: 119
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