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Materials & Chemical Engineering

- Properties of matter and its applications. Metal Production, Fabrication, Distillation, Corrosion
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Jan16-12 Greg Bernhardt
Illegal/Dangerous Activities: Explicit "how to" discussions of illegal and/or dangerous activities, or posts...
Jul31-07 05:01 PM
chemisttree
0 30,969
I have a PCB inside of a consumer product that our company does not make. It is emitting a great deal of RF noise in...
Sep10-09 01:50 AM
MATLABdude
3 2,369
Hallo, I would like to know the difference between Ferromagnetic, anti Ferromagnetic and Ferrimagnetic substance....
Jun6-09 04:24 PM
omri3012
0 3,228
If we will take two cermet electrodes in which ferroelectric nanocrystals such as Barium Titanate are embeded in...
Dec1-11 01:21 PM
Stanley514
1 2,122
I've been doing tons of research on Fick's Law. I understand how to derive it and what its used for. I just need to...
Jul11-11 06:48 AM
acemgirl
6 19,474
I'm doing electroceramic thin films for DRA applications. I'm realized, it is hard to observe diffusivity in film...
Feb21-11 12:31 AM
Pamin
0 3,026
I have a problem with calculating the concentration gradiant. Here is the question and the solution from the solution...
Mar1-11 07:20 AM
tkuehl
1 2,683
Does anyone know any challenging Materials engineering related project I could undertake , Im in my final year and I...
Oct3-09 01:05 AM
taylaron
1 2,389
What is the min radius of an atom that will just fit into the tetrahedral site in FCC Nickel? Octahedral site of BCC...
Aug31-07 12:34 PM
JohnsonT
0 3,889
Given the mass flow, Cp, temp of the inlet streams of both hot and cold streams. As well as being given the inner...
Nov10-09 10:02 AM
stewartcs
1 2,665
This question is directly from David M. Himmelblau and James B. Riggs Basic Principles and Calculations in Chemical...
Apr14-11 01:02 PM
serven7
4 2,440
Hello, my name is Gilad, I would like to have a general Idea of how to find out what is the most suitable plastic...
Sep3-07 03:55 AM
Girado
2 1,623
Is there a website or book that lists hardness values for the following: Polycrystalline Boron Nitride Molybdenum...
Nov4-09 09:56 PM
Mapes
1 1,474
So this is the problem that I am working on. It is a woosh bottle where I am inputting 70% isopropyl alcohol, closing...
May27-14 02:04 PM
Greg Bernhardt
1 2,822
I need a question answered. If given the density of 2 materials in a composite, the fibres & the matrix, but not the...
May7-14 08:12 PM
Chestermiller
1 1,412
does anyone have any knowledge on fire modelling?
Oct14-05 02:38 AM
PerennialII
3 1,792
I two firebricks, one is wrapped with 4 layers of aluminum foil and the other one is not. If both are placed 10 "...
Oct14-12 04:21 PM
AlephZero
10 2,037
Good days, normal or basic complete reaction might happen in open air firing inside the furnace might be describe...
Jan23-13 10:51 AM
mfb
1 1,171
can somebody explain to me in general first pass retention in paper making... As i know they usually using alum or...
May3-13 03:19 AM
piuz98
0 1,361
Hi, What are good first texts in mass and heat transfer, material and energy balances, fluid mechanics and...
Nov7-08 08:40 AM
Mapes
1 5,730
I would like to know if it is possible to make a hook that would be transparent. I think this would be attractive to...
Jun7-07 10:30 PM
Danger
2 1,896
Hello, I am a physics student and I am trying to set up a microscale chemical experiment that involves Sulfuric Acid,...
Jun15-12 10:32 PM
kthouz
0 1,095
Hi, I have a DC motor that have these dimensions: http://www.micromotorssrl.com/motor_l149/L149.pdf and the problem...
May18-10 09:23 AM
wolram
5 2,562
Hi, I am trying to fit a prony series to set of data(modulus and time). I want to use curve fitting to fit the...
Mar27-10 09:25 PM
hotvette
1 5,316
Hello I am working with fluorescence correlation spectroscopy. I want to fit the correlation function on Igor pro....
May4-14 10:14 PM
Greg Bernhardt
1 1,156
Air is compressed to 10 atmospheres, cooled to 25 degrees C and passed through a bed of molecular sieve that has an...
Jun6-08 09:05 AM
hedenqvist
1 5,768
Hi guys, I've been on a few message boards looking for a solution to my problem, but no one has really been able to...
Oct16-07 06:53 PM
Astronuc
1 13,916
I was wondering what equiptment would be best suited to using multiple strian gauges on specific points on a flat...
Jan24-10 11:27 AM
MalliCk
1 3,410
anyone have idea about this industry?
Aug9-08 10:37 AM
polymer
1 2,793
Can anyone help me solve this problem? Im unsure on what to do http://yfrog.com/j5flicks2ndp
Nov2-09 07:10 PM
Mapes
3 1,979
Hey, Im currently doing a project where I have to calculate/(predict) the cv values of a number of valves. at the...
Oct15-12 03:06 AM
brightonk
0 1,160
Hi All: I am trying to calculate volumetris flow rate in a semi circular pipe with a fixed pressure but seem to...
Apr20-09 10:08 AM
piyushmor
3 3,764
Does anyone know of any really good resources on high turbulant flow/velocity induced vibration in piping systems (in...
Mar18-09 06:09 PM
rppearso
0 3,741
hello all, i am from electrical background and for a project i need to analyse the flow of oil through a hollow...
Feb5-10 12:34 PM
origen87
18 4,705
Urine flow meters are used to diagnose urinary flow obstructions such as might occur in the even of enlargement of the...
Oct10-12 07:51 PM
TsuinRyu
6 4,304
Dear all, I am trying to solve a simple model with Comsol to find the pressure drop in a rectangular channel W=5mm,...
Nov4-09 10:27 AM
baranii2000
0 5,874
Hi Everyone, My problem states "Derive a Force Balance equation using Momentum Correction factor for a pipe in...
May12-09 12:42 AM
slashragnarok
0 3,072
QUESTION Rainwater collects behind the concrete retaining wall shown in the figure. If the water saturated soil...
Dec23-12 11:34 AM
Studiot
1 1,604
Do any on of you know any fluxing agent used for low temprature sintering in ANTI FERFOELECTRIC MATERAIL I.E LEAD...
Nov21-08 07:55 AM
Aqib Khan
0 1,649
Hi, I was wondering if anyone here has any good suggestions for foam insulation for high altitude balloons. We're...
Jan27-10 06:52 PM
Dan Solvin
4 2,244
HI I want to heat treat my samples (dimensions: 4:4:2 mm3) at about 600 C, for different times from 30 min to 3...
May1-11 10:59 PM
edgepflow
1 1,693

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