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Neodymium (NdFeB) magnets question
Thank you again, however my question was a lot less detailed and scientific, it just concerned the d ...
19-11-2008 at 13:43
by: math
Neodymium (NdFeB) magnets question
I was aware that some strong NdFeB magnets lose magnetism at 80°C

Thank you for your hint, I'll ...
19-11-2008 at 11:55
by: math
Neodymium (NdFeB) magnets question
hello,

I was wondering, as NdFeB magnets can de-magnetize almost all magnets of inferior class (c ...
19-11-2008 at 06:52
by: math
Azides
which book was it davster?
chemistry of inorganic azides maybe?
8-11-2008 at 18:44
by: math
Decomposition of hairs to yield amino acids
[quote][i]Originally posted by Sauron[/i]
Using the Org.Syn. method you get 100 g cystine (not cyst ...
8-11-2008 at 08:05
by: math
Decomposition of hairs to yield amino acids
As my idea is to get a mixture of free amino acids,
I'd say I should use the hot NaOH solution prop ...
8-11-2008 at 05:41
by: math
Decomposition of hairs to yield amino acids
thank you I looked at it but couldn't find any help

[Edited on 7-11-2008 by math]
7-11-2008 at 12:19
by: math
Decomposition of hairs to yield amino acids
hello,

I've read keratin, the main costituent of hairs,
is made up mainly of cysteine and short ...
7-11-2008 at 10:38
by: math
sulfur solubilities tables?
hello,

I am in trouble finding quantitative sulfur solubilities (other than 'slightly soluble' or ...
1-11-2008 at 09:26
by: math
quick lipid question
I was thinking about STP conditions...however also cooking temperatures would be interesting to know ...
5-10-2008 at 06:31
by: math
quick lipid question
hello,

I'd like to know if lipids (triglycerides in particular, vegetable oils) react in any way ...
5-10-2008 at 04:44
by: math
Recovering Testosterone ?
hello people,

I was wondering it it's possible to recover excreted testosterone
from human urine ...
27-8-2008 at 12:12
by: math
Iron bar bending force (physics question)
thinking again, it may be needed a second moment of inertia
defined as

[url=http://img296.images ...
30-6-2008 at 11:30
by: math
Preserving steel tools
hello all,

due to high humidity my iron/steel tools,
as screwdrivers, pliers etc keep rusting.
...
26-6-2008 at 07:37
by: math
Iron bar bending force (physics question)
thank you for your points 12AXT.

Actually, the question is quite specific and abstract, as it doe ...
14-6-2008 at 15:22
by: math
Iron bar bending force (physics question)
Thank you for spending some time to reply :)

yes actually the only real life-supposition I can do ...
14-6-2008 at 10:07
by: math
Iron bar bending force (physics question)
hello everyone,

I've got this physics related problem banging in my head and I don't know how it ...
14-6-2008 at 04:06
by: math
Measuring height variation with a chronometer and a stone
[quote][i]Originally posted by woelen[/i]
[quote]The average power is 98.1 Watt, but in reality, th ...
27-7-2006 at 17:04
by: math
Measuring height variation with a chronometer and a stone
thank you woelen :)

just :o ...

[quote][i]Originally posted by woelen[/i]
Suppose you would h ...
27-7-2006 at 07:32
by: math
Measuring height variation with a chronometer and a stone
[quote][i]Originally posted by math[/i]

So, lifting 132.19 Kg to a height of 0.3 meters in 0.4 se ...
27-7-2006 at 05:28
by: math
Measuring height variation with a chronometer and a stone
how can one calculate, say, taking the same example, the stone or coconut force when it does hit the ...
26-7-2006 at 17:32
by: math
Measuring height variation with a chronometer and a stone
I'd like if everyone post variable's meaning as well :P ...

do you mean that formula?

s = 1/2 ...
26-7-2006 at 05:59
by: math
Measuring height variation with a chronometer and a stone
thank you for replying :)

just wondering...where does that [0.5*g*(t^2)] formula come from?
what ...
26-7-2006 at 05:33
by: math
Measuring height variation with a chronometer and a stone
hi,

I would like to know how is possible to measure, for example,
a pit's depth, using a stone a ...
26-7-2006 at 04:41
by: math
Learning mathematics from a book?
yes, he really like mathematic, otherwise I would not have tought that gift...it's an uncommon thin ...
22-7-2006 at 12:44
by: math
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