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Materials & Chemical Engineering

- Properties of matter and its applications. Metal Production, Fabrication, Distillation, Corrosion
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Illegal/Dangerous Activities: Explicit "how to" discussions of illegal and/or dangerous activities, or posts...
Jul31-07 05:01 PM
chemisttree
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I am looking for a way to map gases over a city, what are some ways I could do that? This is a theoretical experiment...
Feb18-14 10:42 PM
iwant2beoz
2 825
Hi guys, As the title suggest I am an student chemical engineer and was wondering if anybody could advise on some...
Feb18-14 06:55 PM
Chestermiller
7 1,026
I have a basic question concerning strength and weight of materials. Please forgive me if my question is...
Feb14-14 08:19 PM
RocketSci5KN
2 914
Hello PFs, (It should be eco-friendly project) I am working on ICE using hydrogen fuel. My very first step is to...
Feb14-14 03:38 AM
jmex
7 1,023
Hi all, I read The unit cell is the smallest structure that repeats itself by translation through the crystal. ...
Feb12-14 10:17 AM
Alkim
3 896
Hello, I was wondering if when calculating the fanning friction factor, do english units need to be used? The...
Feb11-14 11:11 PM
Maylis
4 836
I have the pipe size, flow rate, and a duration. How can I figure out the amount of fluid that was released from...
Feb7-14 07:02 PM
Q_Goest
7 895
Hello to everyone that reads this, I have to replace an old compressor with a new one. The trick is that i need to...
Feb6-14 10:00 PM
russ_watters
1 762
Hello everyone! I'm happy to have found this forum, I hope you would help me. I need to obtain rocking curves from...
Feb6-14 05:48 AM
Baluncore
1 925
The two kettles contain a boiling aqueous solution. They must be cooled to room temp as fast as possible (otherwise...
Feb4-14 09:59 PM
Wellesley
5 825
Hi to everyone, actually i 'm conducted an experiment in fabrication of nanotubes layer in metal by anodization that...
Jan28-14 07:52 AM
dacarls
4 2,372
Dear friends I have tried to electroetch 1050 aluminum alloy by 5ml phosphoric acid + 95ml H2o under 1 to 10 volts....
Jan28-14 05:13 AM
Lok
1 968
Hi all, As suggested by the title, i wanted to know as to why creep is a function of time. Since for any component...
Jan27-14 12:52 AM
koolraj09
5 1,110
I'm aware that you "dope" them with phosphorous for n-type and boron for p-type (I'm aware other materials can be used...
Jan25-14 08:11 AM
litup
1 960
Can you give me please some nanomaterials (or nanoparticles) examples (which can I find very easy and very cheap, like...
Jan19-14 05:21 PM
lawrence
0 1,014
I recently built a 3d printer that extrudes PLA or Polylactic acid for the material. When printing on a glass bed the...
Jan19-14 06:14 AM
Lok
1 1,971
Interstellar travel is mostly a though experiment at this stage (although NASA will be launching the solar sail...
Jan17-14 07:52 AM
Astronuc
1 1,033
Is there any materials that is elastically solid (ductile that can be shaped into thin wires) at low temperatures but...
Jan13-14 01:53 PM
RocketSci5KN
7 1,451
Hi, I'm a secondary school student from India and I am currently doing a group project to develop an 'eco-town' as...
Jan9-14 02:31 PM
pikpobedy
17 5,540
Can anyone explain me why the thermal boundary layer develops faster for viscous fluids? I would just say it would...
Jan7-14 04:16 PM
Chestermiller
22 2,268
Does introducing small amount of hydrogen and oxygen with gasoline into an internal combustion engine make the sensor...
Jan5-14 04:47 PM
copracr
4 1,347
Are Chemical engineers like applied chemists? Or are they more like mechanical or electrical engineers using their...
Jan4-14 05:46 PM
nst.john
8 1,716
Hi Guys, First post here. I'm just wondering if anyone could lend a helping hand in the following derivation. It is...
Jan2-14 06:04 AM
jpmann
1 1,191
Hi, In a stirred vessels it can occur that a vortex is present which is unwanted because it decreases the mixing....
Dec31-13 08:16 AM
engineerings
0 1,138
Hi, I've been reading PF threads for a long time but never really had a question to ask.. until recently. I am...
Dec30-13 06:28 PM
Alkim
3 1,230
There is a recent project I have been working on that requires the use of Isobutane as a propellant/solvent, so I have...
Dec27-13 09:13 PM
etudiant
5 1,931
Hi everyone, can anybody suggest a characterization technique for a coating layer. i have a polymer substrate,...
Dec18-13 02:16 PM
Alkim
1 1,275
Hi I want to do DSC analyses of P3HT PCBM film (active layer of the solar cell), but I'm not sure how to obtain...
Dec16-13 11:13 PM
Hyo X
1 1,350
I need help in below matter. During the classes on my college we used this type of testing stand with force gauges :...
Dec16-13 06:06 PM
SteamKing
1 1,232
Hello, I'm not sure if this is in the right section, but I figured chemical engineering would be best for this. I...
Dec13-13 04:48 PM
nst.john
2 1,361
So from the first law for a closed system, dU=dQ-dW=dQ-PdV From the second law, dS=dQ/T + Sgenerated (i.e....
Dec13-13 07:58 AM
DrDu
3 1,765
Hi Could anyone tell me the procedure for the cleaning ITO substrates for organic solar cells? This was my...
Dec10-13 08:28 AM
tufnatufna
2 1,532
Hi! I wonder what happened to fuel-cell technology. Is it so simple that hydrogen just couldn't be kept...
Dec8-13 08:10 PM
mheslep
63 8,871
We briefly got an intro to carbon nanotubes in our nanomaterials class, and the professor only briefly introduced...
Dec5-13 03:09 PM
miketout
1 1,428
Hello, I am interested in estimating/modelling the behavior of a rubber stud mount...
Dec4-13 05:30 PM
Damtranos
0 1,309
Hi everyone. Recently, I did (002) XRD scanning to get the rocking curve of a sample of GaN. From the measurement,...
Dec3-13 04:30 AM
zvz
1 3,115
Fluorescent tube lamp (FTL), in very simple words, produces light from excitation of atoms due to bombardments of...
Dec1-13 01:40 PM
Alkim
1 1,352
Hi, I found this forum while looking for a formula online and am hoping someone here can help me. I'm having chairs...
Nov30-13 09:39 AM
nvn
4 1,556
I have a difficult problem on my research exploration for math. I am modeling the convection currents of boiling...
Nov29-13 04:17 PM
Alkim
3 1,578
Hi, I am working with a scanning electron microscope with the SED and it works fine. I have tried on several...
Nov26-13 01:24 PM
nanopaxeko
2 1,620

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