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Mathematics and electronics experiment with chaotic oscillator
[rquote=176812&tid=13736&author=woelen]I used the software from 'Numerical recipes in C', wh ... |
29-4-2010 at 09:30
by: chief |
Nitric Acid Synthesis
[rquote=176794&tid=2176&author=arsen]Heating NH4NO3 has to be done very carefully, as the sa ... |
29-4-2010 at 09:07
by: chief |
Nitric Acid Synthesis
The nitrates of 2-valent Metals produce NOx upon thermal de-composition, those of 1-valent metals do ... |
28-4-2010 at 13:58
by: chief |
Electrolysis power supply
Whats the big deal with the power-factor-correction ?
==> Any transformer can just be corrected ... |
28-4-2010 at 13:54
by: chief |
Nitric Acid Synthesis
[rquote=176753&tid=2176&author=hissingnoise]A well-stocked garden centre might have fertilis ... |
28-4-2010 at 08:41
by: chief |
Nitric Acid Synthesis
Depends on the fertilizer; but if you have clean KNO3, then it's a standard-textbook-way to make HNO ... |
28-4-2010 at 07:10
by: chief |
Nitric Acid Synthesis
14 EUR ? Hopefully not for just 1 liter ??
==> H2SO4 can be got ..., just not from any store ... ... |
28-4-2010 at 04:59
by: chief |
Nitric Acid Synthesis
[rquote=176674&tid=2176&author=hissingnoise]Why not just buy CuSO4 - or the fungicide Bordea ... |
28-4-2010 at 01:35
by: chief |
Electrolysis power supply
How complicated ...
==> How much can you electrolyze with this ? 5V == 1 cell ... ... ; with t ... |
28-4-2010 at 00:43
by: chief |
Nitric Acid Synthesis
The above link ( http://cpercla.org/pdfs/pubs/tu/copper.pdf ) contains a maybe interesting way to pr ... |
27-4-2010 at 08:38
by: chief |
Electrolysis power supply
At least in some countries you can't just market anything that runs on mains power ...; you would ne ... |
25-4-2010 at 11:41
by: chief |
Mathematics and electronics experiment with chaotic oscillator
Yeah, nice ... ... only: What became of the Chaos-science in the last 20 years
? Nothing big turn ... |
25-4-2010 at 01:20
by: chief |
NdFeB
Just thought it might help:
All the known compounds with the p42/mnm-symmetry:
|
24-4-2010 at 07:59
by: chief |
NdFeB
I did some search for similar compounds with "Fe14": All have similar symmetry ..., probably a refle ... |
24-4-2010 at 01:41
by: chief |
NdFeB
@IrC: Quartz-tubing as well as glassware can be obtained; prices for raw tubing are around 20 $/Mete ... |
24-4-2010 at 01:04
by: chief |
Hardware store chemicals - questions
Has anyone a suggestion for finding toluene or benzene in germany, from hardware-stores ? |
23-4-2010 at 05:15
by: chief |
NdFeB
Most commercial Nd2Fe14B-magnets are compressed from the elements, as powder-mixture, in tablet-pres ... |
23-4-2010 at 05:09
by: chief |
NdFeB
The point is, thats it's not simple enough to just make it possible arguing with f- and d-shells or ... |
22-4-2010 at 09:23
by: chief |
NdFeB
With iron in the coil the "amplification"-effect comes from the ordering of the spins ; only that it ... |
21-4-2010 at 13:55
by: chief |
NdFeB
But 1.4 Tesla is not beyond the magneztizability of "magnetic" steel-alloys (with silicon, eg.) ..., ... |
21-4-2010 at 08:38
by: chief |
NdFeB
As far as I heard at university the magnetism comes from unpaired spins ... of Iron ...
==> The ... |
20-4-2010 at 13:24
by: chief |
NdFeB
see the above post for the basic data on the known Nd-Fe-B-compounds ..., uploaded a file ... |
19-4-2010 at 04:30
by: chief |
NdFeB
I have at hands the ICSD, with all the structure ...
==> but currently no software to calculate ... |
19-4-2010 at 04:07
by: chief |
History of the war on drugs
As long as certain police-departments get thier money for "fighting drugs"
==> they will be int ... |
19-4-2010 at 04:02
by: chief |
Nitric Acid Synthesis
I thought of that; but at the end the car-cat just only contains Platinum, Palladium and some Rhodiu ... |
19-4-2010 at 03:21
by: chief |
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