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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
0 31,093
Hi, For a problem that gives T1, P1, fixed volume V for a throttling valve, I know how to find T2, and P2. However,...
Oct27-12 05:44 PM
0 1,542
This is the silica gravel that I already own: silica gravel If I compare to the other silica form such as below...
May22-13 09:21 PM
Simon Bridge
3 1,542
The diffusion of Ni in FCC Fe. There is 0.3 atoms % of Ni in a solid solution in FCC Fe @ point x. Point y is 1 mm...
Oct7-11 12:39 PM
0 1,541
Hello, I have this ongoing arguement with my professor. I read in a paper (friction and wear) that the crystal...
Dec14-08 09:24 PM
2 1,541
hi, i want to design a heat exchanger where on hotter side i am using hot combustion gases of coal burning and on the...
Jul3-11 08:13 AM
0 1,540
Are they the same? Quartzite is found in the nature as the rock form. The colors are, some light brown, and some...
May26-13 05:55 AM
1 1,540
Any hints on how to derive the glass viscosity? n=n(0)exp(Q/RT)?
Feb15-09 06:36 PM
1 1,539
Hi all I am wondering which the type of dislocations make up vacancy/interstitial dipoles in PSB. Is it most...
Jul26-09 11:03 PM
0 1,538
What property does wire drawing depend on? If ductility is the answer,then how is it related to young's modulus?...
Jan2-12 02:41 AM
0 1,537
Hi Everybody! This is my first post on this forum! Anyways... I have a problem where I think I have the correct...
Apr10-12 02:57 PM
0 1,537
Fluorescent tube lamp (FTL), in very simple words, produces light from excitation of atoms due to bombardments of...
Dec1-13 01:40 PM
1 1,537
Hello I'm trying to find the equilibrium line of a gas-liquid (CO2-propylene carbonate). I have been given the moles...
Sep16-11 03:13 AM
0 1,536
Hi Everyone, We are an Engineering & Services Company mainly working for Power Generations in industrial field,...
Jun27-12 02:22 AM
0 1,536
Been playing with this idea It's been boiled down to some sort of...
May28-13 04:21 AM
3 1,536
Hi, for a University project I need to find areas of application for a special carbon fibre composite design...
Apr16-11 06:39 AM
0 1,534
Hi, I would like to know if somebody has the formulas to find the heat transfer coefficient while the nucleate...
Jul6-12 09:55 PM
1 1,533
Hi I have to do some roarkes calcs for flat plates of materials and one of them is plexiglas. Is Plexiglas...
Oct7-09 06:41 AM
0 1,532
i m doing my project in the field of polymer nano composites i want to know the exact preparation procedure for...
Feb10-12 01:33 AM
0 1,532
How do u calc pressure at each end of pipe if u know its turbulent and u don't know the length. Just got viscosity,...
Apr19-07 06:04 PM
4 1,529
Here's the thing. I want to measure the surface charge of the alginate beads synthesized in our lab. It's about 400μm...
Nov12-13 03:42 PM
2 1,529
Hi everyone I missed some content in my lecture about atomic structure of atoms. In the lecture, the lecturer talked...
Feb13-05 02:16 PM
3 1,528
hey there.. I have an assignment where I have to choose a material and research about.. anyway, I chose to talk...
Nov21-08 10:57 AM
1 1,528
I am an electrical engineer and not familiar with this. I need to look up the permittivity and conductivity, density...
Jul29-10 10:12 AM
2 1,528
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 1,528
Hi, Need some advice. Were implementing a new Boiler System in our Plant. Im trying to calculate the Net...
Oct21-11 03:24 PM
0 1,527
for ceramics materials, is there something called a seger equation or something? if so, how do you calculate that?
Dec1-05 04:32 AM
2 1,523
i am doing project using polyethylene(HDPE Grade) and copper nano powder. i want to prepare nanocomposite using these...
Feb9-12 06:39 AM
0 1,523
Ok i dont know if this goes here or not but please let me know. Ok is it possible to have glass that has the strenght...
Jun25-05 09:47 PM
2 1,521
Hi everyone, Not sure if this should be here or in the chemistry section. It's a question about chemical reactions...
Oct22-08 04:55 AM
Hugh O'Brien
0 1,521
Hi, I hope this is the right forum. I'm doing a school project on how to improve heat dissipation in heat sinks...
Jul6-09 06:33 AM
9 1,521
Can someone please help me with this exam question!!! Calculate the cutting time for the following drilling...
May7-12 11:40 AM
0 1,521
I constructing 3D shape of about 2 millimeters sized. Which kind of optical coating will give me 10 degrees of half...
Dec5-10 04:43 PM
Dr Lots-o'watts
1 1,519
I was wondering if anyone could give me some info on what the miller indices of Inconel 600 and 690 alloys are. I...
Nov21-12 02:00 PM
2 1,519
hi all, does anyone knows why the visciosity of air increases with temp while that of water decreases with temp? ...
Apr18-05 11:40 AM
1 1,516
Hey guys, First off, I apologize if this is in the wrong section. I am currently an intern taking 6 months off from...
Oct16-12 06:33 AM
6 1,516
How effective is using steel powder in a polymer/ceramic composite matrix? I am wondering this from observing this...
Jun25-06 05:34 PM
3 1,515
Using a PMT/Monochromator, we have Surface Enchanced Raman Vials we are using to analyze samples. One thing I am...
Mar23-10 08:43 AM
0 1,515
I require knowledge of rate law of emulsion polymerisation . Any standard reaction's rate law would suffice .
Oct8-11 03:43 PM
0 1,514
I recently attended a lab at uni where we were required to examine the conservation of energy for a fluid steadily...
Mar23-10 06:46 PM
1 1,514
So I'm looking through some material on creep for one of my courses. There is a graph of strain ε vs Time, t. ...
Oct25-12 10:55 PM
1 1,514

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