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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 30,380
Hi guys, I'm trying to use thermal oxidation with Si wafers in order to get SiO2 to use for electric components....
May9-14 04:26 PM
2 1,513
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 1,513
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 1,512
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 1,511
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 1,510
Hi everyone. I was wondering how badly aluminum affects RFID waves (860-960MHz)? Do they completely absorb,...
Aug24-12 12:46 PM
2 1,510
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 1,508
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 1,508
Hey there! What's the strongest material ever-existed? By means of either man-made or occurred naturally. Please...
Feb26-14 03:37 PM
3 1,508
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 1,505
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 1,505
Calculate the density of NaCl at 20C in lbm/ft3 ? since no volume was given i was wondering if this can be done...
Jan17-13 02:53 AM
2 1,505
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 1,504
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 1,504
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 1,504
Fluorescent tube lamp (FTL), in very simple words, produces light from excitation of atoms due to bombardments of...
Dec1-13 01:40 PM
1 1,504
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 1,503
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 1,502
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 1,501
This is either an engineering problem or a mathematical problem, but it is also about chemical formulations. ...
Feb12-11 04:18 AM
1 1,500
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 1,499
Hi, Need some advice. We´re implementing a new Boiler System in our Plant. I´m trying to calculate the Net...
Oct21-11 03:24 PM
0 1,499
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 1,498
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 1,497
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 1,495
Hi all, i'm a student studying transportation design at university and i've been given a project where i need to...
Nov27-11 08:44 PM
1 1,494
Been playing with this idea It's been boiled down to some sort of...
May28-13 04:21 AM
3 1,493
It seems that a major concern in the fabrication of optical fibers is hydroxyl diffusion into the fibers. I understand...
Apr21-05 03:22 PM
2 1,492
Hi all, I'm david from indonesia. Sory for my english. Can you help me to found a chemical that I can use to...
Apr14-14 10:47 AM
9 1,492
Can someone please help me with this exam question!!! Calculate the cutting time for the following drilling...
May7-12 11:40 AM
0 1,491
I've been reading up on vacuum infusion for fiberglass. The big problem is getting the resin to flow over a part...
May18-09 08:27 PM
0 1,490
Hello, I have somewhat of a difficult question. First of all I have to say I am not an engineer. I need help in...
Sep25-11 06:24 PM
1 1,490
How the adhesive layer is applied to the fabric in this website? What is the...
Jun21-11 04:31 AM
0 1,489
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 1,489
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 1,489
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 1,489
dear PF members, If anyone have some data/url/plot regarding the thermal conductivity of copper and aluminium from...
Feb4-09 11:20 AM
2 1,486
what material can is gas form? or any catalyst will work?
Oct21-09 04:43 AM
0 1,484
i m rubbish at chemsitry, so can someone explain this process, especially what the final thing would be? Copper...
Feb22-09 02:18 AM
0 1,483
You are to design a tension member (square rod) with a cross section to carry a mass of 575 000 kg with a safety...
Sep28-10 02:36 AM
1 1,483

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